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authorMan, Jianting (Meco) <[email protected]>2023-02-25 13:52:37 -0500
committerGitHub <[email protected]>2023-02-25 13:52:37 -0500
commit1acef4277b02e5084310ecd7028656ae535178f5 (patch)
tree03b6b6f0b3df75a1cef301e1e7b2b3d234213390 /bsp/at32
parent759192f5f5af23ae360818483d35974ef5b91c78 (diff)
parente63e33a3c64327aef3556fa811df0a8ec1e0e7ee (diff)
Merge pull request #6981 from RT-Thread/masterserialX-dev
sync from master
Diffstat (limited to 'bsp/at32')
-rw-r--r--bsp/at32/at32f403a-start/README.md3
-rw-r--r--bsp/at32/at32f403a-start/SConstruct3
-rw-r--r--bsp/at32/at32f403a-start/board/Kconfig5
-rw-r--r--bsp/at32/at32f403a-start/board/inc/at32_msp.h1
-rw-r--r--bsp/at32/at32f403a-start/board/src/at32_msp.c66
-rw-r--r--bsp/at32/at32f407-start/README.md3
-rw-r--r--bsp/at32/at32f407-start/SConstruct3
-rw-r--r--bsp/at32/at32f407-start/board/Kconfig5
-rw-r--r--bsp/at32/at32f407-start/board/inc/at32_msp.h1
-rw-r--r--bsp/at32/at32f407-start/board/src/at32_msp.c67
-rw-r--r--bsp/at32/at32f413-start/README.md3
-rw-r--r--bsp/at32/at32f413-start/SConscript6
-rw-r--r--bsp/at32/at32f413-start/SConstruct3
-rw-r--r--bsp/at32/at32f413-start/board/Kconfig5
-rw-r--r--bsp/at32/at32f413-start/board/inc/at32_msp.h1
-rw-r--r--bsp/at32/at32f413-start/board/src/at32_msp.c66
-rw-r--r--bsp/at32/at32f415-start/README.md3
-rw-r--r--bsp/at32/at32f415-start/SConstruct3
-rw-r--r--bsp/at32/at32f415-start/board/Kconfig20
-rw-r--r--bsp/at32/at32f415-start/board/inc/at32_msp.h1
-rw-r--r--bsp/at32/at32f415-start/board/src/at32_msp.c40
-rw-r--r--bsp/at32/at32f425-start/README.md3
-rw-r--r--bsp/at32/at32f425-start/SConstruct3
-rw-r--r--bsp/at32/at32f425-start/board/Kconfig20
-rw-r--r--bsp/at32/at32f425-start/board/inc/at32_msp.h1
-rw-r--r--bsp/at32/at32f425-start/board/src/at32_msp.c50
-rw-r--r--bsp/at32/at32f435-start/README.md5
-rw-r--r--bsp/at32/at32f435-start/SConstruct3
-rw-r--r--bsp/at32/at32f435-start/board/Kconfig35
-rw-r--r--bsp/at32/at32f435-start/board/inc/at32_msp.h1
-rw-r--r--bsp/at32/at32f435-start/board/src/at32_msp.c95
-rw-r--r--bsp/at32/at32f437-start/README.md5
-rw-r--r--bsp/at32/at32f437-start/SConstruct3
-rw-r--r--bsp/at32/at32f437-start/board/Kconfig35
-rw-r--r--bsp/at32/at32f437-start/board/inc/at32_msp.h1
-rw-r--r--bsp/at32/at32f437-start/board/src/at32_msp.c95
-rw-r--r--bsp/at32/libraries/AT32F403A_407_Firmware_Library/drivers/inc/at32f403a_407_usb.h7
-rw-r--r--bsp/at32/libraries/AT32F413_Firmware_Library/drivers/inc/at32f413_usb.h7
-rw-r--r--bsp/at32/libraries/rt_drivers/SConscript16
-rw-r--r--bsp/at32/libraries/rt_drivers/config/f403a_407/usb_config.h69
-rw-r--r--bsp/at32/libraries/rt_drivers/config/f413/usb_config.h69
-rw-r--r--bsp/at32/libraries/rt_drivers/config/f415/usb_config.h95
-rw-r--r--bsp/at32/libraries/rt_drivers/config/f425/usb_config.h95
-rw-r--r--bsp/at32/libraries/rt_drivers/config/f435_437/usb_config.h135
-rw-r--r--bsp/at32/libraries/rt_drivers/drv_config.h7
-rw-r--r--bsp/at32/libraries/rt_drivers/drv_usart_v2.c447
-rw-r--r--bsp/at32/libraries/rt_drivers/drv_usart_v2.h28
-rw-r--r--bsp/at32/libraries/rt_drivers/drv_usbd.c274
-rw-r--r--bsp/at32/libraries/rt_drivers/drv_usbd.h27
-rw-r--r--bsp/at32/libraries/rt_drivers/drv_usbfs.h28
-rw-r--r--bsp/at32/libraries/rt_drivers/drv_usbfsd.c311
-rw-r--r--bsp/at32/libraries/rt_drivers/drv_usbfsh.c406
-rw-r--r--bsp/at32/libraries/usbd_library/SConscript19
-rw-r--r--bsp/at32/libraries/usbd_library/inc/usb_std.h376
-rw-r--r--bsp/at32/libraries/usbd_library/inc/usbd_core.h181
-rw-r--r--bsp/at32/libraries/usbd_library/inc/usbd_int.h72
-rw-r--r--bsp/at32/libraries/usbd_library/inc/usbd_sdr.h63
-rw-r--r--bsp/at32/libraries/usbd_library/src/usbd_core.c689
-rw-r--r--bsp/at32/libraries/usbd_library/src/usbd_int.c347
-rw-r--r--bsp/at32/libraries/usbd_library/src/usbd_sdr.c533
-rw-r--r--bsp/at32/libraries/usbfs_library/SConscript27
-rw-r--r--bsp/at32/libraries/usbfs_library/inc/usb_core.h122
-rw-r--r--bsp/at32/libraries/usbfs_library/inc/usb_std.h368
-rw-r--r--bsp/at32/libraries/usbfs_library/inc/usbd_core.h176
-rw-r--r--bsp/at32/libraries/usbfs_library/inc/usbd_int.h85
-rw-r--r--bsp/at32/libraries/usbfs_library/inc/usbd_sdr.h65
-rw-r--r--bsp/at32/libraries/usbfs_library/inc/usbh_core.h367
-rw-r--r--bsp/at32/libraries/usbfs_library/inc/usbh_ctrl.h98
-rw-r--r--bsp/at32/libraries/usbfs_library/inc/usbh_int.h71
-rw-r--r--bsp/at32/libraries/usbfs_library/src/usb_core.c171
-rw-r--r--bsp/at32/libraries/usbfs_library/src/usbd_core.c870
-rw-r--r--bsp/at32/libraries/usbfs_library/src/usbd_int.c560
-rw-r--r--bsp/at32/libraries/usbfs_library/src/usbd_sdr.c535
-rw-r--r--bsp/at32/libraries/usbfs_library/src/usbh_core.c1222
-rw-r--r--bsp/at32/libraries/usbfs_library/src/usbh_ctrl.c958
-rw-r--r--bsp/at32/libraries/usbfs_library/src/usbh_int.c540
-rw-r--r--bsp/at32/tools/sdk_dist.py2
77 files changed, 11189 insertions, 12 deletions
diff --git a/bsp/at32/at32f403a-start/README.md b/bsp/at32/at32f403a-start/README.md
index 85cd0064c1..58c27d317c 100644
--- a/bsp/at32/at32f403a-start/README.md
+++ b/bsp/at32/at32f403a-start/README.md
@@ -50,6 +50,7 @@ AT32F403A-START板级包支持MDK4﹑MDK5﹑IAR开发环境和GCC编译器,以
| WDT | 支持 | |
| RTC | 支持 | |
| FLASH | 支持 | |
+| USB | 支持 | |
### IO在板级支持包中的映射情况
@@ -94,6 +95,8 @@ AT32F403A-START板级包支持MDK4﹑MDK5﹑IAR开发环境和GCC编译器,以
| PB9 | CAN1_TX |
| PB5 | CAN2_RX |
| PB6 | CAN2_TX |
+| PA11 | USB_DM |
+| PA12 | USB_DP |
## 使用说明
diff --git a/bsp/at32/at32f403a-start/SConstruct b/bsp/at32/at32f403a-start/SConstruct
index 6128df4d2d..7f4e5a1460 100644
--- a/bsp/at32/at32f403a-start/SConstruct
+++ b/bsp/at32/at32f403a-start/SConstruct
@@ -52,6 +52,9 @@ rtconfig.BSP_LIBRARY_TYPE = at32_library
# include libraries
objs.extend(SConscript(os.path.join(libraries_path_prefix, at32_library, 'SConscript')))
+# include usb libraries
+objs.extend(SConscript(os.path.join(libraries_path_prefix, 'usbd_library', 'SConscript')))
+
# include drivers
objs.extend(SConscript(os.path.join(libraries_path_prefix, 'rt_drivers', 'SConscript')))
diff --git a/bsp/at32/at32f403a-start/board/Kconfig b/bsp/at32/at32f403a-start/board/Kconfig
index 8ed97d64b6..fb1868c10b 100644
--- a/bsp/at32/at32f403a-start/board/Kconfig
+++ b/bsp/at32/at32f403a-start/board/Kconfig
@@ -26,6 +26,11 @@ menu "On-chip Peripheral Drivers"
config BSP_USING_ON_CHIP_FLASH
bool "Enable on-chip FLASH"
+ default n
+
+ config BSP_USING_USBD
+ bool "Enable USB BUS"
+ select RT_USING_USB_DEVICE
default n
menuconfig BSP_USING_RTC
diff --git a/bsp/at32/at32f403a-start/board/inc/at32_msp.h b/bsp/at32/at32f403a-start/board/inc/at32_msp.h
index ba267a172c..8efd4dbe32 100644
--- a/bsp/at32/at32f403a-start/board/inc/at32_msp.h
+++ b/bsp/at32/at32f403a-start/board/inc/at32_msp.h
@@ -19,5 +19,6 @@ void at32_msp_sdio_init(void *instance);
void at32_msp_adc_init(void *instance);
void at32_msp_hwtmr_init(void *instance);
void at32_msp_can_init(void *instance);
+void at32_msp_usb_init(void *instance);
#endif /* __AT32_MSP_H__ */
diff --git a/bsp/at32/at32f403a-start/board/src/at32_msp.c b/bsp/at32/at32f403a-start/board/src/at32_msp.c
index c23aada25a..47a453f9a0 100644
--- a/bsp/at32/at32f403a-start/board/src/at32_msp.c
+++ b/bsp/at32/at32f403a-start/board/src/at32_msp.c
@@ -317,3 +317,69 @@ void at32_msp_can_init(void *instance)
#endif
}
#endif /* BSP_USING_CAN */
+
+#ifdef BSP_USING_USBD
+void at32_msp_usb_init(void *instance)
+{
+ usb_clk48_s clk_s;
+
+ /* default usb clock source from hick */
+ clk_s = USB_CLK_HICK;
+
+ /* enable usb clock */
+ crm_periph_clock_enable(CRM_USB_PERIPH_CLOCK, TRUE);
+
+ if(clk_s == USB_CLK_HICK)
+ {
+ crm_usb_clock_source_select(CRM_USB_CLOCK_SOURCE_HICK);
+
+ /* enable the acc calibration ready interrupt */
+ crm_periph_clock_enable(CRM_ACC_PERIPH_CLOCK, TRUE);
+
+ /* update the c1\c2\c3 value */
+ acc_write_c1(7980);
+ acc_write_c2(8000);
+ acc_write_c3(8020);
+
+ /* open acc calibration */
+ acc_calibration_mode_enable(ACC_CAL_HICKTRIM, TRUE);
+ }
+ else
+ {
+ switch(system_core_clock)
+ {
+ /* 48MHz */
+ case 48000000:
+ crm_usb_clock_div_set(CRM_USB_DIV_1);
+ break;
+ /* 72MHz */
+ case 72000000:
+ crm_usb_clock_div_set(CRM_USB_DIV_1_5);
+ break;
+ /* 96MHz */
+ case 96000000:
+ crm_usb_clock_div_set(CRM_USB_DIV_2);
+ break;
+ /* 120MHz */
+ case 120000000:
+ crm_usb_clock_div_set(CRM_USB_DIV_2_5);
+ break;
+ /* 144MHz */
+ case 144000000:
+ crm_usb_clock_div_set(CRM_USB_DIV_3);
+ break;
+ /* 168MHz */
+ case 168000000:
+ crm_usb_clock_div_set(CRM_USB_DIV_3_5);
+ break;
+ /* 192MHz */
+ case 192000000:
+ crm_usb_clock_div_set(CRM_USB_DIV_4);
+ break;
+ default:
+ break;
+ }
+ }
+}
+
+#endif /* BSP_USING_USBD */
diff --git a/bsp/at32/at32f407-start/README.md b/bsp/at32/at32f407-start/README.md
index 30aab90451..a7fa92dd2d 100644
--- a/bsp/at32/at32f407-start/README.md
+++ b/bsp/at32/at32f407-start/README.md
@@ -51,6 +51,7 @@ AT32F407-START板级包支持MDK4﹑MDK5﹑IAR开发环境和GCC编译器,以�
| RTC | 支持 | |
| FLASH | 支持 | |
| EMAC | 支持 | |
+| USB | 支持 | |
### IO在板级支持包中的映射情况
@@ -102,6 +103,8 @@ AT32F407-START板级包支持MDK4﹑MDK5﹑IAR开发环境和GCC编译器,以�
| PD9 | EMAC_RMII_RXD0 |
| PD10 | EMAC_RMII_RXD1 |
| PA1 | EMAC_RMII_REF_CLK |
+| PA11 | USB_DM |
+| PA12 | USB_DP |
## 使用说明
diff --git a/bsp/at32/at32f407-start/SConstruct b/bsp/at32/at32f407-start/SConstruct
index 6128df4d2d..7f4e5a1460 100644
--- a/bsp/at32/at32f407-start/SConstruct
+++ b/bsp/at32/at32f407-start/SConstruct
@@ -52,6 +52,9 @@ rtconfig.BSP_LIBRARY_TYPE = at32_library
# include libraries
objs.extend(SConscript(os.path.join(libraries_path_prefix, at32_library, 'SConscript')))
+# include usb libraries
+objs.extend(SConscript(os.path.join(libraries_path_prefix, 'usbd_library', 'SConscript')))
+
# include drivers
objs.extend(SConscript(os.path.join(libraries_path_prefix, 'rt_drivers', 'SConscript')))
diff --git a/bsp/at32/at32f407-start/board/Kconfig b/bsp/at32/at32f407-start/board/Kconfig
index f3b44c094c..9c0cd20df0 100644
--- a/bsp/at32/at32f407-start/board/Kconfig
+++ b/bsp/at32/at32f407-start/board/Kconfig
@@ -45,6 +45,11 @@ menu "On-chip Peripheral Drivers"
endchoice
endif
+ config BSP_USING_USBD
+ bool "Enable USB BUS"
+ select RT_USING_USB_DEVICE
+ default n
+
menuconfig BSP_USING_RTC
bool "Enable RTC"
select RT_USING_RTC
diff --git a/bsp/at32/at32f407-start/board/inc/at32_msp.h b/bsp/at32/at32f407-start/board/inc/at32_msp.h
index 21673cb290..6e6141ab75 100644
--- a/bsp/at32/at32f407-start/board/inc/at32_msp.h
+++ b/bsp/at32/at32f407-start/board/inc/at32_msp.h
@@ -20,5 +20,6 @@ void at32_msp_adc_init(void *instance);
void at32_msp_hwtmr_init(void *instance);
void at32_msp_can_init(void *instance);
void at32_msp_emac_init(void *instance);
+void at32_msp_usb_init(void *instance);
#endif /* __AT32_MSP_H__ */
diff --git a/bsp/at32/at32f407-start/board/src/at32_msp.c b/bsp/at32/at32f407-start/board/src/at32_msp.c
index 927bce5bd5..b995ee8c64 100644
--- a/bsp/at32/at32f407-start/board/src/at32_msp.c
+++ b/bsp/at32/at32f407-start/board/src/at32_msp.c
@@ -358,3 +358,70 @@ void at32_msp_emac_init(void *instance)
gpio_init(GPIOD, &gpio_init_struct);
}
#endif /* BSP_USING_EMAC */
+
+#ifdef BSP_USING_USBD
+void at32_msp_usb_init(void *instance)
+{
+ usb_clk48_s clk_s;
+
+ /* default usb clock source from hick */
+ clk_s = USB_CLK_HICK;
+
+ /* enable usb clock */
+ crm_periph_clock_enable(CRM_USB_PERIPH_CLOCK, TRUE);
+
+ if(clk_s == USB_CLK_HICK)
+ {
+ crm_usb_clock_source_select(CRM_USB_CLOCK_SOURCE_HICK);
+
+ /* enable the acc calibration ready interrupt */
+ crm_periph_clock_enable(CRM_ACC_PERIPH_CLOCK, TRUE);
+
+ /* update the c1\c2\c3 value */
+ acc_write_c1(7980);
+ acc_write_c2(8000);
+ acc_write_c3(8020);
+
+ /* open acc calibration */
+ acc_calibration_mode_enable(ACC_CAL_HICKTRIM, TRUE);
+ }
+ else
+ {
+ switch(system_core_clock)
+ {
+ /* 48MHz */
+ case 48000000:
+ crm_usb_clock_div_set(CRM_USB_DIV_1);
+ break;
+ /* 72MHz */
+ case 72000000:
+ crm_usb_clock_div_set(CRM_USB_DIV_1_5);
+ break;
+ /* 96MHz */
+ case 96000000:
+ crm_usb_clock_div_set(CRM_USB_DIV_2);
+ break;
+ /* 120MHz */
+ case 120000000:
+ crm_usb_clock_div_set(CRM_USB_DIV_2_5);
+ break;
+ /* 144MHz */
+ case 144000000:
+ crm_usb_clock_div_set(CRM_USB_DIV_3);
+ break;
+ /* 168MHz */
+ case 168000000:
+ crm_usb_clock_div_set(CRM_USB_DIV_3_5);
+ break;
+ /* 192MHz */
+ case 192000000:
+ crm_usb_clock_div_set(CRM_USB_DIV_4);
+ break;
+ default:
+ break;
+ }
+ }
+}
+
+#endif /* BSP_USING_USBD */
+
diff --git a/bsp/at32/at32f413-start/README.md b/bsp/at32/at32f413-start/README.md
index b3f9948a1f..d8bfd68310 100644
--- a/bsp/at32/at32f413-start/README.md
+++ b/bsp/at32/at32f413-start/README.md
@@ -50,6 +50,7 @@ AT32F413-START板级包支持MDK4﹑MDK5﹑IAR开发环境和GCC编译器,以�
| WDT | 支持 | |
| RTC | 支持 | |
| FLASH | 支持 | |
+| USB | 支持 | |
### IO在板级支持包中的映射情况
@@ -94,6 +95,8 @@ AT32F413-START板级包支持MDK4﹑MDK5﹑IAR开发环境和GCC编译器,以�
| PB9 | CAN1_TX |
| PB5 | CAN2_RX |
| PB6 | CAN2_TX |
+| PA11 | USB_DM |
+| PA12 | USB_DP |
## 使用说明
diff --git a/bsp/at32/at32f413-start/SConscript b/bsp/at32/at32f413-start/SConscript
index fe0ae941ae..d7ad2b45f8 100644
--- a/bsp/at32/at32f413-start/SConscript
+++ b/bsp/at32/at32f413-start/SConscript
@@ -1,11 +1,11 @@
# for module compiling
+from building import *
import os
-Import('RTT_ROOT')
-cwd = str(Dir('#'))
+cwd = GetCurrentDir()
objs = []
-list = os.listdir(cwd)
+list = os.listdir(cwd)
for d in list:
path = os.path.join(cwd, d)
if os.path.isfile(os.path.join(path, 'SConscript')):
diff --git a/bsp/at32/at32f413-start/SConstruct b/bsp/at32/at32f413-start/SConstruct
index 188f212186..d52169c980 100644
--- a/bsp/at32/at32f413-start/SConstruct
+++ b/bsp/at32/at32f413-start/SConstruct
@@ -52,6 +52,9 @@ rtconfig.BSP_LIBRARY_TYPE = at32_library
# include libraries
objs.extend(SConscript(os.path.join(libraries_path_prefix, at32_library, 'SConscript')))
+# include usb libraries
+objs.extend(SConscript(os.path.join(libraries_path_prefix, 'usbd_library', 'SConscript')))
+
# include drivers
objs.extend(SConscript(os.path.join(libraries_path_prefix, 'rt_drivers', 'SConscript')))
diff --git a/bsp/at32/at32f413-start/board/Kconfig b/bsp/at32/at32f413-start/board/Kconfig
index ef44a2848f..f991f7c915 100644
--- a/bsp/at32/at32f413-start/board/Kconfig
+++ b/bsp/at32/at32f413-start/board/Kconfig
@@ -26,6 +26,11 @@ menu "On-chip Peripheral Drivers"
config BSP_USING_ON_CHIP_FLASH
bool "Enable on-chip FLASH"
+ default n
+
+ config BSP_USING_USBD
+ bool "Enable USB BUS"
+ select RT_USING_USB_DEVICE
default n
menuconfig BSP_USING_RTC
diff --git a/bsp/at32/at32f413-start/board/inc/at32_msp.h b/bsp/at32/at32f413-start/board/inc/at32_msp.h
index ba267a172c..8efd4dbe32 100644
--- a/bsp/at32/at32f413-start/board/inc/at32_msp.h
+++ b/bsp/at32/at32f413-start/board/inc/at32_msp.h
@@ -19,5 +19,6 @@ void at32_msp_sdio_init(void *instance);
void at32_msp_adc_init(void *instance);
void at32_msp_hwtmr_init(void *instance);
void at32_msp_can_init(void *instance);
+void at32_msp_usb_init(void *instance);
#endif /* __AT32_MSP_H__ */
diff --git a/bsp/at32/at32f413-start/board/src/at32_msp.c b/bsp/at32/at32f413-start/board/src/at32_msp.c
index 81da4c8be4..a2e137a632 100644
--- a/bsp/at32/at32f413-start/board/src/at32_msp.c
+++ b/bsp/at32/at32f413-start/board/src/at32_msp.c
@@ -317,3 +317,69 @@ void at32_msp_can_init(void *instance)
#endif
}
#endif /* BSP_USING_CAN */
+
+#ifdef BSP_USING_USBD
+void at32_msp_usb_init(void *instance)
+{
+ usb_clk48_s clk_s;
+
+ /* default usb clock source from hick */
+ clk_s = USB_CLK_HICK;
+
+ /* enable usb clock */
+ crm_periph_clock_enable(CRM_USB_PERIPH_CLOCK, TRUE);
+
+ if(clk_s == USB_CLK_HICK)
+ {
+ crm_usb_clock_source_select(CRM_USB_CLOCK_SOURCE_HICK);
+
+ /* enable the acc calibration ready interrupt */
+ crm_periph_clock_enable(CRM_ACC_PERIPH_CLOCK, TRUE);
+
+ /* update the c1\c2\c3 value */
+ acc_write_c1(7980);
+ acc_write_c2(8000);
+ acc_write_c3(8020);
+
+ /* open acc calibration */
+ acc_calibration_mode_enable(ACC_CAL_HICKTRIM, TRUE);
+ }
+ else
+ {
+ switch(system_core_clock)
+ {
+ /* 48MHz */
+ case 48000000:
+ crm_usb_clock_div_set(CRM_USB_DIV_1);
+ break;
+ /* 72MHz */
+ case 72000000:
+ crm_usb_clock_div_set(CRM_USB_DIV_1_5);
+ break;
+ /* 96MHz */
+ case 96000000:
+ crm_usb_clock_div_set(CRM_USB_DIV_2);
+ break;
+ /* 120MHz */
+ case 120000000:
+ crm_usb_clock_div_set(CRM_USB_DIV_2_5);
+ break;
+ /* 144MHz */
+ case 144000000:
+ crm_usb_clock_div_set(CRM_USB_DIV_3);
+ break;
+ /* 168MHz */
+ case 168000000:
+ crm_usb_clock_div_set(CRM_USB_DIV_3_5);
+ break;
+ /* 192MHz */
+ case 192000000:
+ crm_usb_clock_div_set(CRM_USB_DIV_4);
+ break;
+ default:
+ break;
+ }
+ }
+}
+
+#endif /* BSP_USING_USBD */
diff --git a/bsp/at32/at32f415-start/README.md b/bsp/at32/at32f415-start/README.md
index e3fb616c03..2727ce40b4 100644
--- a/bsp/at32/at32f415-start/README.md
+++ b/bsp/at32/at32f415-start/README.md
@@ -50,6 +50,7 @@ AT32F415-START板级包支持MDK4﹑MDK5﹑IAR开发环境和GCC编译器,以�
| WDT | 支持 | |
| RTC | 支持 | |
| FLASH | 支持 | |
+| USB | 支持 | |
### IO在板级支持包中的映射情况
@@ -92,6 +93,8 @@ AT32F415-START板级包支持MDK4﹑MDK5﹑IAR开发环境和GCC编译器,以�
| PC5 | ADC1_IN15 |
| PB8 | CAN1_RX |
| PB9 | CAN1_TX |
+| PA11 | USB_DM |
+| PA12 | USB_DP |
## 使用说明
diff --git a/bsp/at32/at32f415-start/SConstruct b/bsp/at32/at32f415-start/SConstruct
index 25ab5b6f2d..2fd575c290 100644
--- a/bsp/at32/at32f415-start/SConstruct
+++ b/bsp/at32/at32f415-start/SConstruct
@@ -52,6 +52,9 @@ rtconfig.BSP_LIBRARY_TYPE = at32_library
# include libraries
objs.extend(SConscript(os.path.join(libraries_path_prefix, at32_library, 'SConscript')))
+# include usb libraries
+objs.extend(SConscript(os.path.join(libraries_path_prefix, 'usbfs_library', 'SConscript')))
+
# include drivers
objs.extend(SConscript(os.path.join(libraries_path_prefix, 'rt_drivers', 'SConscript')))
diff --git a/bsp/at32/at32f415-start/board/Kconfig b/bsp/at32/at32f415-start/board/Kconfig
index a33314f349..db26d9c74c 100644
--- a/bsp/at32/at32f415-start/board/Kconfig
+++ b/bsp/at32/at32f415-start/board/Kconfig
@@ -26,7 +26,27 @@ menu "On-chip Peripheral Drivers"
config BSP_USING_ON_CHIP_FLASH
bool "Enable on-chip FLASH"
+ default n
+
+ menuconfig BSP_USING_USBFS
+ bool "Enable USB BUS"
default n
+ if BSP_USING_USBFS
+ menuconfig BSP_USING_USBFS1
+ bool "Enable USB BUS1"
+ default n
+ if BSP_USING_USBFS1
+ config BSP_USING_DEVICE_USBFS1
+ bool "Enable USB1 Deivce"
+ select RT_USING_USB_DEVICE
+ default n
+
+ config BSP_USING_HOST_USBFS1
+ bool "Enable USB1 Host"
+ select RT_USING_USB_HOST
+ default n
+ endif
+ endif
menuconfig BSP_USING_RTC
bool "Enable RTC"
diff --git a/bsp/at32/at32f415-start/board/inc/at32_msp.h b/bsp/at32/at32f415-start/board/inc/at32_msp.h
index ba267a172c..8efd4dbe32 100644
--- a/bsp/at32/at32f415-start/board/inc/at32_msp.h
+++ b/bsp/at32/at32f415-start/board/inc/at32_msp.h
@@ -19,5 +19,6 @@ void at32_msp_sdio_init(void *instance);
void at32_msp_adc_init(void *instance);
void at32_msp_hwtmr_init(void *instance);
void at32_msp_can_init(void *instance);
+void at32_msp_usb_init(void *instance);
#endif /* __AT32_MSP_H__ */
diff --git a/bsp/at32/at32f415-start/board/src/at32_msp.c b/bsp/at32/at32f415-start/board/src/at32_msp.c
index e8515a00af..a72fc80e06 100644
--- a/bsp/at32/at32f415-start/board/src/at32_msp.c
+++ b/bsp/at32/at32f415-start/board/src/at32_msp.c
@@ -283,3 +283,43 @@ void at32_msp_can_init(void *instance)
#endif
}
#endif /* BSP_USING_CAN */
+
+#ifdef BSP_USING_USBFS
+void at32_msp_usb_init(void *instance)
+{
+ /* enable usb clock */
+ crm_periph_clock_enable(CRM_OTGFS1_PERIPH_CLOCK, TRUE);
+
+ switch(system_core_clock)
+ {
+ /* 48MHz */
+ case 48000000:
+ crm_usb_clock_div_set(CRM_USB_DIV_1);
+ break;
+
+ /* 72MHz */
+ case 72000000:
+ crm_usb_clock_div_set(CRM_USB_DIV_1_5);
+ break;
+
+ /* 96MHz */
+ case 96000000:
+ crm_usb_clock_div_set(CRM_USB_DIV_2);
+ break;
+
+ /* 120MHz */
+ case 120000000:
+ crm_usb_clock_div_set(CRM_USB_DIV_2_5);
+ break;
+
+ /* 144MHz */
+ case 144000000:
+ crm_usb_clock_div_set(CRM_USB_DIV_3);
+ break;
+
+ default:
+ break;
+ }
+}
+
+#endif /* BSP_USING_USBFS */
diff --git a/bsp/at32/at32f425-start/README.md b/bsp/at32/at32f425-start/README.md
index 94b928a4bc..d03cd087fe 100644
--- a/bsp/at32/at32f425-start/README.md
+++ b/bsp/at32/at32f425-start/README.md
@@ -49,6 +49,7 @@ AT32F425-START板级包支持MDK4﹑MDK5﹑IAR开发环境和GCC编译器,以�
| WDT | 支持 | |
| RTC | 支持 | |
| FLASH | 支持 | |
+| USB | 支持 | |
### IO在板级支持包中的映射情况
@@ -85,6 +86,8 @@ AT32F425-START板级包支持MDK4﹑MDK5﹑IAR开发环境和GCC编译器,以�
| PC5 | ADC1_IN15 |
| PB8 | CAN1_RX |
| PB9 | CAN1_TX |
+| PA11 | USB_DM |
+| PA12 | USB_DP |
## 使用说明
diff --git a/bsp/at32/at32f425-start/SConstruct b/bsp/at32/at32f425-start/SConstruct
index 24bc4971ea..60560a95cd 100644
--- a/bsp/at32/at32f425-start/SConstruct
+++ b/bsp/at32/at32f425-start/SConstruct
@@ -52,6 +52,9 @@ rtconfig.BSP_LIBRARY_TYPE = at32_library
# include libraries
objs.extend(SConscript(os.path.join(libraries_path_prefix, at32_library, 'SConscript')))
+# include usb libraries
+objs.extend(SConscript(os.path.join(libraries_path_prefix, 'usbfs_library', 'SConscript')))
+
# include drivers
objs.extend(SConscript(os.path.join(libraries_path_prefix, 'rt_drivers', 'SConscript')))
diff --git a/bsp/at32/at32f425-start/board/Kconfig b/bsp/at32/at32f425-start/board/Kconfig
index 9622ae9b8d..97f33b9419 100644
--- a/bsp/at32/at32f425-start/board/Kconfig
+++ b/bsp/at32/at32f425-start/board/Kconfig
@@ -26,7 +26,27 @@ menu "On-chip Peripheral Drivers"
config BSP_USING_ON_CHIP_FLASH
bool "Enable on-chip FLASH"
+ default n
+
+ menuconfig BSP_USING_USBFS
+ bool "Enable USB BUS"
default n
+ if BSP_USING_USBFS
+ menuconfig BSP_USING_USBFS1
+ bool "Enable USB BUS1"
+ default n
+ if BSP_USING_USBFS1
+ config BSP_USING_DEVICE_USBFS1
+ bool "Enable USB1 Deivce"
+ select RT_USING_USB_DEVICE
+ default n
+
+ config BSP_USING_HOST_USBFS1
+ bool "Enable USB1 Host"
+ select RT_USING_USB_HOST
+ default n
+ endif
+ endif
menuconfig BSP_USING_RTC
bool "Enable RTC"
diff --git a/bsp/at32/at32f425-start/board/inc/at32_msp.h b/bsp/at32/at32f425-start/board/inc/at32_msp.h
index b3679d0c9a..c2eb468175 100644
--- a/bsp/at32/at32f425-start/board/inc/at32_msp.h
+++ b/bsp/at32/at32f425-start/board/inc/at32_msp.h
@@ -17,5 +17,6 @@ void at32_msp_tmr_init(void *instance);
void at32_msp_adc_init(void *instance);
void at32_msp_hwtmr_init(void *instance);
void at32_msp_can_init(void *instance);
+void at32_msp_usb_init(void *instance);
#endif /* __AT32_MSP_H__ */
diff --git a/bsp/at32/at32f425-start/board/src/at32_msp.c b/bsp/at32/at32f425-start/board/src/at32_msp.c
index 04aa73ceca..3fb1ea93fd 100644
--- a/bsp/at32/at32f425-start/board/src/at32_msp.c
+++ b/bsp/at32/at32f425-start/board/src/at32_msp.c
@@ -247,3 +247,53 @@ void at32_msp_can_init(void *instance)
#endif
}
#endif /* BSP_USING_CAN */
+
+#ifdef BSP_USING_USBFS
+void at32_msp_usb_init(void *instance)
+{
+ /* defalut usb clock from hext */
+ usb_clk48_s clk_s = USB_CLK_HICK;
+
+ crm_periph_clock_enable(CRM_OTGFS1_PERIPH_CLOCK, TRUE);
+
+ if(clk_s == USB_CLK_HICK)
+ {
+ crm_usb_clock_source_select(CRM_USB_CLOCK_SOURCE_HICK);
+
+ /* enable the acc calibration ready interrupt */
+ crm_periph_clock_enable(CRM_ACC_PERIPH_CLOCK, TRUE);
+
+ /* update the c1\c2\c3 value */
+ acc_write_c1(7980);
+ acc_write_c2(8000);
+ acc_write_c3(8020);
+
+ /* open acc calibration */
+ acc_calibration_mode_enable(ACC_CAL_HICKTRIM, TRUE);
+ }
+ else
+ {
+ switch(system_core_clock)
+ {
+ /* 48MHz */
+ case 48000000:
+ crm_usb_clock_div_set(CRM_USB_DIV_1);
+ break;
+
+ /* 72MHz */
+ case 72000000:
+ crm_usb_clock_div_set(CRM_USB_DIV_1_5);
+ break;
+
+ /* 96MHz */
+ case 96000000:
+ crm_usb_clock_div_set(CRM_USB_DIV_2);
+ break;
+
+ default:
+ break;
+ }
+ }
+}
+
+#endif /* BSP_USING_USBFS */
diff --git a/bsp/at32/at32f435-start/README.md b/bsp/at32/at32f435-start/README.md
index db5099ddb7..7190a913bf 100644
--- a/bsp/at32/at32f435-start/README.md
+++ b/bsp/at32/at32f435-start/README.md
@@ -52,6 +52,7 @@ AT32F437-START板级包支持MDK4﹑MDK5﹑IAR开发环境和GCC编译器,以�
| RTC | 支持 | |
| FLASH | 支持 | |
| SDRAM | 支持 | |
+| USB | 支持 | |
### IO在板级支持包中的映射情况
@@ -108,6 +109,10 @@ AT32F437-START板级包支持MDK4﹑MDK5﹑IAR开发环境和GCC编译器,以�
| PE10 | QSPI2_IO3 |
| PG13 | QSPI2_SCK |
| PG8 | QSPI2_CS |
+| PA11 | USB1_DM |
+| PA12 | USB1_DP |
+| PB14 | USB2_DM |
+| PB15 | USB2_DP |
## 使用说明
diff --git a/bsp/at32/at32f435-start/SConstruct b/bsp/at32/at32f435-start/SConstruct
index 08b2117a9b..06dc169672 100644
--- a/bsp/at32/at32f435-start/SConstruct
+++ b/bsp/at32/at32f435-start/SConstruct
@@ -52,6 +52,9 @@ rtconfig.BSP_LIBRARY_TYPE = at32_library
# include libraries
objs.extend(SConscript(os.path.join(libraries_path_prefix, at32_library, 'SConscript')))
+# include usb libraries
+objs.extend(SConscript(os.path.join(libraries_path_prefix, 'usbfs_library', 'SConscript')))
+
# include drivers
objs.extend(SConscript(os.path.join(libraries_path_prefix, 'rt_drivers', 'SConscript')))
diff --git a/bsp/at32/at32f435-start/board/Kconfig b/bsp/at32/at32f435-start/board/Kconfig
index 3d988fbd5a..798ba0eb5a 100644
--- a/bsp/at32/at32f435-start/board/Kconfig
+++ b/bsp/at32/at32f435-start/board/Kconfig
@@ -30,7 +30,42 @@ menu "On-chip Peripheral Drivers"
config BSP_USING_ON_CHIP_FLASH
bool "Enable on-chip FLASH"
+ default n
+
+ menuconfig BSP_USING_USBFS
+ bool "Enable USB BUS"
default n
+ if BSP_USING_USBFS
+ menuconfig BSP_USING_USBFS1
+ bool "Enable USB BUS1"
+ default n
+ if BSP_USING_USBFS1
+ config BSP_USING_DEVICE_USBFS1
+ bool "Enable USB1 Deivce"
+ select RT_USING_USB_DEVICE
+ default n
+
+ config BSP_USING_HOST_USBFS1
+ bool "Enable USB1 Host"
+ select RT_USING_USB_HOST
+ default n
+ endif
+
+ menuconfig BSP_USING_USBFS2
+ bool "Enable USB BUS2"
+ default n
+ if BSP_USING_USBFS2
+ config BSP_USING_DEVICE_USBFS2
+ bool "Enable USB2 Deivce"
+ select RT_USING_USB_DEVICE
+ default n
+
+ config BSP_USING_HOST_USBFS2
+ bool "Enable USB2 Host"
+ select RT_USING_USB_HOST
+ default n
+ endif
+ endif
menuconfig BSP_USING_QSPI
bool "Enable QSPI BUS"
diff --git a/bsp/at32/at32f435-start/board/inc/at32_msp.h b/bsp/at32/at32f435-start/board/inc/at32_msp.h
index 05731ed1d8..8f80726c83 100644
--- a/bsp/at32/at32f435-start/board/inc/at32_msp.h
+++ b/bsp/at32/at32f435-start/board/inc/at32_msp.h
@@ -21,5 +21,6 @@ void at32_msp_hwtmr_init(void *instance);
void at32_msp_can_init(void *instance);
void at32_msp_qspi_init(void *instance);
void at32_msp_sdram_init(void *instance);
+void at32_msp_usb_init(void *instance);
#endif /* __AT32_MSP_H__ */
diff --git a/bsp/at32/at32f435-start/board/src/at32_msp.c b/bsp/at32/at32f435-start/board/src/at32_msp.c
index 19f46b27fd..d8f0fa6ebf 100644
--- a/bsp/at32/at32f435-start/board/src/at32_msp.c
+++ b/bsp/at32/at32f435-start/board/src/at32_msp.c
@@ -477,3 +477,98 @@ void at32_msp_sdram_init(void *instance)
}
#endif /* BSP_USING_SDRAM */
+
+#ifdef BSP_USING_USBFS
+void at32_msp_usb_init(void *instance)
+{
+ /* defalut usb clock from hick */
+ usb_clk48_s clk_s = USB_CLK_HICK;
+
+#if defined (BSP_USING_HOST_USBFS1) || defined (BSP_USING_DEVICE_USBFS1)
+ crm_periph_clock_enable(CRM_OTGFS1_PERIPH_CLOCK, TRUE);
+#endif
+
+#if defined (BSP_USING_HOST_USBFS2) || defined (BSP_USING_DEVICE_USBFS2)
+ crm_periph_clock_enable(CRM_OTGFS2_PERIPH_CLOCK, TRUE);
+#endif
+
+ if(clk_s == USB_CLK_HICK)
+ {
+ crm_usb_clock_source_select(CRM_USB_CLOCK_SOURCE_HICK);
+ /* enable the acc calibration ready interrupt */
+ crm_periph_clock_enable(CRM_ACC_PERIPH_CLOCK, TRUE);
+
+ /* update the c1\c2\c3 value */
+ acc_write_c1(7980);
+ acc_write_c2(8000);
+ acc_write_c3(8020);
+
+ /* open acc calibration */
+ acc_calibration_mode_enable(ACC_CAL_HICKTRIM, TRUE);
+ }
+ else
+ {
+ switch(system_core_clock)
+ {
+ /* 48MHz */
+ case 48000000:
+ crm_usb_clock_div_set(CRM_USB_DIV_1);
+ break;
+
+ /* 72MHz */
+ case 72000000:
+ crm_usb_clock_div_set(CRM_USB_DIV_1_5);
+ break;
+
+ /* 96MHz */
+ case 96000000:
+ crm_usb_clock_div_set(CRM_USB_DIV_2);
+ break;
+
+ /* 120MHz */
+ case 120000000:
+ crm_usb_clock_div_set(CRM_USB_DIV_2_5);
+ break;
+
+ /* 144MHz */
+ case 144000000:
+ crm_usb_clock_div_set(CRM_USB_DIV_3);
+ break;
+
+ /* 168MHz */
+ case 168000000:
+ crm_usb_clock_div_set(CRM_USB_DIV_3_5);
+ break;
+
+ /* 192MHz */
+ case 192000000:
+ crm_usb_clock_div_set(CRM_USB_DIV_4);
+ break;
+
+ /* 216MHz */
+ case 216000000:
+ crm_usb_clock_div_set(CRM_USB_DIV_4_5);
+ break;
+
+ /* 240MHz */
+ case 240000000:
+ crm_usb_clock_div_set(CRM_USB_DIV_5);
+ break;
+
+ /* 264MHz */
+ case 264000000:
+ crm_usb_clock_div_set(CRM_USB_DIV_5_5);
+ break;
+
+ /* 288MHz */
+ case 288000000:
+ crm_usb_clock_div_set(CRM_USB_DIV_6);
+ break;
+
+ default:
+ break;
+ }
+ }
+}
+
+#endif /* BSP_USING_USBFS */
diff --git a/bsp/at32/at32f437-start/README.md b/bsp/at32/at32f437-start/README.md
index dabd8e801e..cd94426fbb 100644
--- a/bsp/at32/at32f437-start/README.md
+++ b/bsp/at32/at32f437-start/README.md
@@ -53,6 +53,7 @@ AT32F437-START板级包支持MDK4﹑MDK5﹑IAR开发环境和GCC编译器,以�
| FLASH | 支持 | |
| EMAC | 支持 | |
| SDRAM | 支持 | |
+| USB | 支持 | |
### IO在板级支持包中的映射情况
@@ -116,6 +117,10 @@ AT32F437-START板级包支持MDK4﹑MDK5﹑IAR开发环境和GCC编译器,以�
| PE10 | QSPI2_IO3 |
| PG13 | QSPI2_SCK |
| PG8 | QSPI2_CS |
+| PA11 | USB1_DM |
+| PA12 | USB1_DP |
+| PB14 | USB2_DM |
+| PB15 | USB2_DP |
## 使用说明
diff --git a/bsp/at32/at32f437-start/SConstruct b/bsp/at32/at32f437-start/SConstruct
index 08b2117a9b..06dc169672 100644
--- a/bsp/at32/at32f437-start/SConstruct
+++ b/bsp/at32/at32f437-start/SConstruct
@@ -52,6 +52,9 @@ rtconfig.BSP_LIBRARY_TYPE = at32_library
# include libraries
objs.extend(SConscript(os.path.join(libraries_path_prefix, at32_library, 'SConscript')))
+# include usb libraries
+objs.extend(SConscript(os.path.join(libraries_path_prefix, 'usbfs_library', 'SConscript')))
+
# include drivers
objs.extend(SConscript(os.path.join(libraries_path_prefix, 'rt_drivers', 'SConscript')))
diff --git a/bsp/at32/at32f437-start/board/Kconfig b/bsp/at32/at32f437-start/board/Kconfig
index ed7ceb3285..d4197775de 100644
--- a/bsp/at32/at32f437-start/board/Kconfig
+++ b/bsp/at32/at32f437-start/board/Kconfig
@@ -32,6 +32,41 @@ menu "On-chip Peripheral Drivers"
bool "Enable on-chip FLASH"
default n
+ menuconfig BSP_USING_USBFS
+ bool "Enable USB BUS"
+ default n
+ if BSP_USING_USBFS
+ menuconfig BSP_USING_USBFS1
+ bool "Enable USB BUS1"
+ default n
+ if BSP_USING_USBFS1
+ config BSP_USING_DEVICE_USBFS1
+ bool "Enable USB1 Deivce"
+ select RT_USING_USB_DEVICE
+ default n
+
+ config BSP_USING_HOST_USBFS1
+ bool "Enable USB1 Host"
+ select RT_USING_USB_HOST
+ default n
+ endif
+
+ menuconfig BSP_USING_USBFS2
+ bool "Enable USB BUS2"
+ default n
+ if BSP_USING_USBFS2
+ config BSP_USING_DEVICE_USBFS2
+ bool "Enable USB2 Deivce"
+ select RT_USING_USB_DEVICE
+ default n
+
+ config BSP_USING_HOST_USBFS2
+ bool "Enable USB2 Host"
+ select RT_USING_USB_HOST
+ default n
+ endif
+ endif
+
config BSP_USING_EMAC
bool "Enable Ethernet"
default n
diff --git a/bsp/at32/at32f437-start/board/inc/at32_msp.h b/bsp/at32/at32f437-start/board/inc/at32_msp.h
index ed63a788a3..0233cea424 100644
--- a/bsp/at32/at32f437-start/board/inc/at32_msp.h
+++ b/bsp/at32/at32f437-start/board/inc/at32_msp.h
@@ -22,5 +22,6 @@ void at32_msp_can_init(void *instance);
void at32_msp_qspi_init(void *instance);
void at32_msp_sdram_init(void *instance);
void at32_msp_emac_init(void *instance);
+void at32_msp_usb_init(void *instance);
#endif /* __AT32_MSP_H__ */
diff --git a/bsp/at32/at32f437-start/board/src/at32_msp.c b/bsp/at32/at32f437-start/board/src/at32_msp.c
index 171e0500f7..40b45db7dc 100644
--- a/bsp/at32/at32f437-start/board/src/at32_msp.c
+++ b/bsp/at32/at32f437-start/board/src/at32_msp.c
@@ -517,3 +517,98 @@ void at32_msp_sdram_init(void *instance)
}
#endif /* BSP_USING_SDRAM */
+
+#ifdef BSP_USING_USBFS
+void at32_msp_usb_init(void *instance)
+{
+ /* defalut usb clock from hick */
+ usb_clk48_s clk_s = USB_CLK_HICK;
+
+#if defined (BSP_USING_HOST_USBFS1) || defined (BSP_USING_DEVICE_USBFS1)
+ crm_periph_clock_enable(CRM_OTGFS1_PERIPH_CLOCK, TRUE);
+#endif
+
+#if defined (BSP_USING_HOST_USBFS2) || defined (BSP_USING_DEVICE_USBFS2)
+ crm_periph_clock_enable(CRM_OTGFS2_PERIPH_CLOCK, TRUE);
+#endif
+
+ if(clk_s == USB_CLK_HICK)
+ {
+ crm_usb_clock_source_select(CRM_USB_CLOCK_SOURCE_HICK);
+ /* enable the acc calibration ready interrupt */
+ crm_periph_clock_enable(CRM_ACC_PERIPH_CLOCK, TRUE);
+
+ /* update the c1\c2\c3 value */
+ acc_write_c1(7980);
+ acc_write_c2(8000);
+ acc_write_c3(8020);
+
+ /* open acc calibration */
+ acc_calibration_mode_enable(ACC_CAL_HICKTRIM, TRUE);
+ }
+ else
+ {
+ switch(system_core_clock)
+ {
+ /* 48MHz */
+ case 48000000:
+ crm_usb_clock_div_set(CRM_USB_DIV_1);
+ break;
+
+ /* 72MHz */
+ case 72000000:
+ crm_usb_clock_div_set(CRM_USB_DIV_1_5);
+ break;
+
+ /* 96MHz */
+ case 96000000:
+ crm_usb_clock_div_set(CRM_USB_DIV_2);
+ break;
+
+ /* 120MHz */
+ case 120000000:
+ crm_usb_clock_div_set(CRM_USB_DIV_2_5);
+ break;
+
+ /* 144MHz */
+ case 144000000:
+ crm_usb_clock_div_set(CRM_USB_DIV_3);
+ break;
+
+ /* 168MHz */
+ case 168000000:
+ crm_usb_clock_div_set(CRM_USB_DIV_3_5);
+ break;
+
+ /* 192MHz */
+ case 192000000:
+ crm_usb_clock_div_set(CRM_USB_DIV_4);
+ break;
+
+ /* 216MHz */
+ case 216000000:
+ crm_usb_clock_div_set(CRM_USB_DIV_4_5);
+ break;
+
+ /* 240MHz */
+ case 240000000:
+ crm_usb_clock_div_set(CRM_USB_DIV_5);
+ break;
+
+ /* 264MHz */
+ case 264000000:
+ crm_usb_clock_div_set(CRM_USB_DIV_5_5);
+ break;
+
+ /* 288MHz */
+ case 288000000:
+ crm_usb_clock_div_set(CRM_USB_DIV_6);
+ break;
+
+ default:
+ break;
+ }
+ }
+}
+
+#endif /* BSP_USING_USBFS */
diff --git a/bsp/at32/libraries/AT32F403A_407_Firmware_Library/drivers/inc/at32f403a_407_usb.h b/bsp/at32/libraries/AT32F403A_407_Firmware_Library/drivers/inc/at32f403a_407_usb.h
index f52d3e85db..21431c6eef 100644
--- a/bsp/at32/libraries/AT32F403A_407_Firmware_Library/drivers/inc/at32f403a_407_usb.h
+++ b/bsp/at32/libraries/AT32F403A_407_Firmware_Library/drivers/inc/at32f403a_407_usb.h
@@ -195,15 +195,16 @@ typedef enum
#ifndef USB_EPT_MAX_NUM
#define USB_EPT_MAX_NUM 8 /*!< usb device support endpoint number */
#endif
+
/**
* @brief endpoint transfer type define
*/
typedef enum
{
EPT_CONTROL_TYPE = 0x00, /*!< usb transfer type control */
- EPT_BULK_TYPE = 0x01, /*!< usb transfer type bulk */
- EPT_INT_TYPE = 0x02, /*!< usb transfer type interrut */
- EPT_ISO_TYPE = 0x03 /*!< usb transfer type iso */
+ EPT_ISO_TYPE = 0x01, /*!< usb transfer type iso */
+ EPT_BULK_TYPE = 0x02, /*!< usb transfer type bulk */
+ EPT_INT_TYPE = 0x03 /*!< usb transfer type interrupt */
}ept_trans_type;
/**
diff --git a/bsp/at32/libraries/AT32F413_Firmware_Library/drivers/inc/at32f413_usb.h b/bsp/at32/libraries/AT32F413_Firmware_Library/drivers/inc/at32f413_usb.h
index d1b1053240..96232951d6 100644
--- a/bsp/at32/libraries/AT32F413_Firmware_Library/drivers/inc/at32f413_usb.h
+++ b/bsp/at32/libraries/AT32F413_Firmware_Library/drivers/inc/at32f413_usb.h
@@ -195,15 +195,16 @@ typedef enum
#ifndef USB_EPT_MAX_NUM
#define USB_EPT_MAX_NUM 8 /*!< usb device support endpoint number */
#endif
+
/**
* @brief endpoint transfer type define
*/
typedef enum
{
EPT_CONTROL_TYPE = 0x00, /*!< usb transfer type control */
- EPT_BULK_TYPE = 0x01, /*!< usb transfer type bulk */
- EPT_INT_TYPE = 0x02, /*!< usb transfer type interrut */
- EPT_ISO_TYPE = 0x03 /*!< usb transfer type iso */
+ EPT_ISO_TYPE = 0x01, /*!< usb transfer type iso */
+ EPT_BULK_TYPE = 0x02, /*!< usb transfer type bulk */
+ EPT_INT_TYPE = 0x03 /*!< usb transfer type interrupt */
}ept_trans_type;
/**
diff --git a/bsp/at32/libraries/rt_drivers/SConscript b/bsp/at32/libraries/rt_drivers/SConscript
index 2e96d36ac5..434174e117 100644
--- a/bsp/at32/libraries/rt_drivers/SConscript
+++ b/bsp/at32/libraries/rt_drivers/SConscript
@@ -16,8 +16,11 @@ if GetDepend(['RT_USING_PIN']):
if GetDepend(['RT_USING_WDT']):
src += ['drv_wdt.c']
-if GetDepend(['BSP_USING_SERIAL']):
- src += ['drv_usart.c']
+if GetDepend(['RT_USING_SERIAL']):
+ if GetDepend(['RT_USING_SERIAL_V2']):
+ src += ['drv_usart_v2.c']
+ else:
+ src += ['drv_usart.c']
if GetDepend(['BSP_USING_PWM']):
src += ['drv_pwm.c']
@@ -59,6 +62,15 @@ if GetDepend(['BSP_USING_CAN']):
if GetDepend(['BSP_USING_SDIO']):
src += ['drv_sdio.c']
+if GetDepend(['BSP_USING_USBD']):
+ src += ['drv_usbd.c']
+
+if GetDepend(['BSP_USING_DEVICE_USBFS1']) or GetDepend(['BSP_USING_DEVICE_USBFS2']):
+ src += ['drv_usbfsd.c']
+
+if GetDepend(['BSP_USING_HOST_USBFS1']) or GetDepend(['BSP_USING_HOST_USBFS2']):
+ src += ['drv_usbfsh.c']
+
path = [cwd]
path += [cwd + '/config']
diff --git a/bsp/at32/libraries/rt_drivers/config/f403a_407/usb_config.h b/bsp/at32/libraries/rt_drivers/config/f403a_407/usb_config.h
new file mode 100644
index 0000000000..6c7e8fcabc
--- /dev/null
+++ b/bsp/at32/libraries/rt_drivers/config/f403a_407/usb_config.h
@@ -0,0 +1,69 @@
+/*
+ * Copyright (c) 2006-2021, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date Author Notes
+ * 2023-02-28 leo first version
+ */
+
+#ifndef __USB_CONFIG_H__
+#define __USB_CONFIG_H__
+
+#include <rtthread.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* usb irqhandler */
+#define USB_IRQHandler USBFS_L_CAN1_RX0_IRQHandler
+
+/**
+ * @brief usb endpoint number
+ */
+#define USB_EPT_MAX_NUM 8
+
+/**
+ * @brief auto malloc usb endpoint buffer
+ */
+#define USB_EPT_AUTO_MALLOC_BUFFER
+
+#ifndef USB_EPT_AUTO_MALLOC_BUFFER
+#define EPT0_TX_ADDR 0x40
+#define EPT0_RX_ADDR 0x80
+#define EPT1_TX_ADDR 0xC0
+#define EPT1_RX_ADDR 0x100
+#define EPT2_TX_ADDR 0x140
+#define EPT2_RX_ADDR 0x180
+#define EPT3_TX_ADDR 0x00
+#define EPT3_RX_ADDR 0x00
+#define EPT4_TX_ADDR 0x00
+#define EPT4_RX_ADDR 0x00
+#define EPT5_TX_ADDR 0x00
+#define EPT5_RX_ADDR 0x00
+#define EPT6_TX_ADDR 0x00
+#define EPT6_RX_ADDR 0x00
+#define EPT7_TX_ADDR 0x00
+#define EPT7_RX_ADDR 0x00
+#endif
+
+/**
+ * @brief usb low power wakeup handler enable
+ */
+#define USB_LOW_POWER_WAKUP
+
+#if defined(BSP_USING_USBD)
+#define USBD_CONFIG \
+ { \
+ .name = "usbd", \
+ .irqn = USBFS_L_CAN1_RX0_IRQn, \
+ }
+#endif /* BSP_USING_USBD */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/bsp/at32/libraries/rt_drivers/config/f413/usb_config.h b/bsp/at32/libraries/rt_drivers/config/f413/usb_config.h
new file mode 100644
index 0000000000..6c7e8fcabc
--- /dev/null
+++ b/bsp/at32/libraries/rt_drivers/config/f413/usb_config.h
@@ -0,0 +1,69 @@
+/*
+ * Copyright (c) 2006-2021, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date Author Notes
+ * 2023-02-28 leo first version
+ */
+
+#ifndef __USB_CONFIG_H__
+#define __USB_CONFIG_H__
+
+#include <rtthread.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* usb irqhandler */
+#define USB_IRQHandler USBFS_L_CAN1_RX0_IRQHandler
+
+/**
+ * @brief usb endpoint number
+ */
+#define USB_EPT_MAX_NUM 8
+
+/**
+ * @brief auto malloc usb endpoint buffer
+ */
+#define USB_EPT_AUTO_MALLOC_BUFFER
+
+#ifndef USB_EPT_AUTO_MALLOC_BUFFER
+#define EPT0_TX_ADDR 0x40
+#define EPT0_RX_ADDR 0x80
+#define EPT1_TX_ADDR 0xC0
+#define EPT1_RX_ADDR 0x100
+#define EPT2_TX_ADDR 0x140
+#define EPT2_RX_ADDR 0x180
+#define EPT3_TX_ADDR 0x00
+#define EPT3_RX_ADDR 0x00
+#define EPT4_TX_ADDR 0x00
+#define EPT4_RX_ADDR 0x00
+#define EPT5_TX_ADDR 0x00
+#define EPT5_RX_ADDR 0x00
+#define EPT6_TX_ADDR 0x00
+#define EPT6_RX_ADDR 0x00
+#define EPT7_TX_ADDR 0x00
+#define EPT7_RX_ADDR 0x00
+#endif
+
+/**
+ * @brief usb low power wakeup handler enable
+ */
+#define USB_LOW_POWER_WAKUP
+
+#if defined(BSP_USING_USBD)
+#define USBD_CONFIG \
+ { \
+ .name = "usbd", \
+ .irqn = USBFS_L_CAN1_RX0_IRQn, \
+ }
+#endif /* BSP_USING_USBD */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/bsp/at32/libraries/rt_drivers/config/f415/usb_config.h b/bsp/at32/libraries/rt_drivers/config/f415/usb_config.h
new file mode 100644
index 0000000000..8fedb30599
--- /dev/null
+++ b/bsp/at32/libraries/rt_drivers/config/f415/usb_config.h
@@ -0,0 +1,95 @@
+/*
+ * Copyright (c) 2006-2021, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date Author Notes
+ * 2023-02-28 leo first version
+ */
+
+#ifndef __USB_CONFIG_H__
+#define __USB_CONFIG_H__
+
+#include <rtthread.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if defined BSP_USING_DEVICE_USBFS1
+#define USE_OTG_DEVICE_MODE
+#endif
+
+#if defined BSP_USING_HOST_USBFS1
+#define USE_OTG_HOST_MODE
+#endif
+
+/* usbfs irqhandler */
+#define OTGFS1_IRQHandler OTGFS1_IRQHandler
+
+/**
+ * @brief usb device mode config
+ */
+#define USB_EPT_MAX_NUM 4
+
+/* otg1 device fifo */
+#define USBD_RX_SIZE 128
+#define USBD_EP0_TX_SIZE 24
+#define USBD_EP1_TX_SIZE 20
+#define USBD_EP2_TX_SIZE 20
+#define USBD_EP3_TX_SIZE 20
+#define USBD_EP4_TX_SIZE 20
+#define USBD_EP5_TX_SIZE 20
+#define USBD_EP6_TX_SIZE 20
+#define USBD_EP7_TX_SIZE 20
+
+/**
+ * @brief usb host mode config
+ */
+#define USB_HOST_CHANNEL_NUM 8
+
+/* otg1 host fifo */
+#define USBH_RX_FIFO_SIZE 128
+#define USBH_NP_TX_FIFO_SIZE 96
+#define USBH_P_TX_FIFO_SIZE 96
+
+/**
+ * @brief usb sof output enable
+ */
+// #define USB_SOF_OUTPUT_ENABLE
+
+/**
+ * @brief usb vbus ignore, not use vbus pin
+ */
+#define USB_VBUS_IGNORE
+
+/**
+ * @brief usb low power wakeup handler enable
+ */
+// #define USB_LOW_POWER_WAKUP
+
+#if defined(BSP_USING_HOST_USBFS1)
+#undef BSP_USING_DEVICE_USBFS1
+#define USBFS1_CONFIG \
+ { \
+ .name = "usbh", \
+ .id = USB_OTG1_ID, \
+ .irqn = OTGFS1_IRQn, \
+ }
+#endif /* BSP_USING_HOST_USBFS1 */
+
+#if defined(BSP_USING_DEVICE_USBFS1)
+#define USBFS1_CONFIG \
+ { \
+ .name = "usbd", \
+ .id = USB_OTG1_ID, \
+ .irqn = OTGFS1_IRQn, \
+ }
+#endif /* BSP_USING_DEVICE_USBFS1 */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/bsp/at32/libraries/rt_drivers/config/f425/usb_config.h b/bsp/at32/libraries/rt_drivers/config/f425/usb_config.h
new file mode 100644
index 0000000000..90ea5ae9c0
--- /dev/null
+++ b/bsp/at32/libraries/rt_drivers/config/f425/usb_config.h
@@ -0,0 +1,95 @@
+/*
+ * Copyright (c) 2006-2021, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date Author Notes
+ * 2023-02-28 leo first version
+ */
+
+#ifndef __USB_CONFIG_H__
+#define __USB_CONFIG_H__
+
+#include <rtthread.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if defined BSP_USING_DEVICE_USBFS1
+#define USE_OTG_DEVICE_MODE
+#endif
+
+#if defined BSP_USING_HOST_USBFS1
+#define USE_OTG_HOST_MODE
+#endif
+
+/* usbfs irqhandler */
+#define OTGFS1_IRQHandler OTGFS1_IRQHandler
+
+/**
+ * @brief usb device mode config
+ */
+#define USB_EPT_MAX_NUM 8
+
+/* otg1 device fifo */
+#define USBD_RX_SIZE 128
+#define USBD_EP0_TX_SIZE 24
+#define USBD_EP1_TX_SIZE 20
+#define USBD_EP2_TX_SIZE 20
+#define USBD_EP3_TX_SIZE 20
+#define USBD_EP4_TX_SIZE 20
+#define USBD_EP5_TX_SIZE 20
+#define USBD_EP6_TX_SIZE 20
+#define USBD_EP7_TX_SIZE 20
+
+/**
+ * @brief usb host mode config
+ */
+#define USB_HOST_CHANNEL_NUM 16
+
+/* otg1 host fifo */
+#define USBH_RX_FIFO_SIZE 128
+#define USBH_NP_TX_FIFO_SIZE 96
+#define USBH_P_TX_FIFO_SIZE 96
+
+/**
+ * @brief usb sof output enable
+ */
+// #define USB_SOF_OUTPUT_ENABLE
+
+/**
+ * @brief usb vbus ignore, not use vbus pin
+ */
+#define USB_VBUS_IGNORE
+
+/**
+ * @brief usb low power wakeup handler enable
+ */
+// #define USB_LOW_POWER_WAKUP
+
+#if defined(BSP_USING_HOST_USBFS1)
+#undef BSP_USING_DEVICE_USBFS1
+#define USBFS1_CONFIG \
+ { \
+ .name = "usbh", \
+ .id = USB_OTG1_ID, \
+ .irqn = OTGFS1_IRQn, \
+ }
+#endif /* BSP_USING_HOST_USBFS1 */
+
+#if defined(BSP_USING_DEVICE_USBFS1)
+#define USBFS1_CONFIG \
+ { \
+ .name = "usbd", \
+ .id = USB_OTG1_ID, \
+ .irqn = OTGFS1_IRQn, \
+ }
+#endif /* BSP_USING_DEVICE_USBFS1 */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/bsp/at32/libraries/rt_drivers/config/f435_437/usb_config.h b/bsp/at32/libraries/rt_drivers/config/f435_437/usb_config.h
new file mode 100644
index 0000000000..93d69f33d9
--- /dev/null
+++ b/bsp/at32/libraries/rt_drivers/config/f435_437/usb_config.h
@@ -0,0 +1,135 @@
+/*
+ * Copyright (c) 2006-2021, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date Author Notes
+ * 2023-02-28 leo first version
+ */
+
+#ifndef __USB_CONFIG_H__
+#define __USB_CONFIG_H__
+
+#include <rtthread.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if defined BSP_USING_DEVICE_USBFS1 || defined BSP_USING_DEVICE_USBFS2
+#define USE_OTG_DEVICE_MODE
+#endif
+
+#if defined BSP_USING_HOST_USBFS1 || defined BSP_USING_HOST_USBFS2
+#define USE_OTG_HOST_MODE
+#endif
+
+/* usbfs irqhandler */
+#define OTGFS1_IRQHandler OTGFS1_IRQHandler
+#define OTGFS2_IRQHandler OTGFS2_IRQHandler
+
+/**
+ * @brief usb device mode config
+ */
+#define USB_EPT_MAX_NUM 8
+
+/* otg1 device fifo */
+#define USBD_RX_SIZE 128
+#define USBD_EP0_TX_SIZE 24
+#define USBD_EP1_TX_SIZE 20
+#define USBD_EP2_TX_SIZE 20
+#define USBD_EP3_TX_SIZE 20
+#define USBD_EP4_TX_SIZE 20
+#define USBD_EP5_TX_SIZE 20
+#define USBD_EP6_TX_SIZE 20
+#define USBD_EP7_TX_SIZE 20
+
+/* otg2 device fifo */
+#define USBD2_RX_SIZE 128
+#define USBD2_EP0_TX_SIZE 24
+#define USBD2_EP1_TX_SIZE 20
+#define USBD2_EP2_TX_SIZE 20
+#define USBD2_EP3_TX_SIZE 20
+#define USBD2_EP4_TX_SIZE 20
+#define USBD2_EP5_TX_SIZE 20
+#define USBD2_EP6_TX_SIZE 20
+#define USBD2_EP7_TX_SIZE 20
+
+/**
+ * @brief usb host mode config
+ */
+#define USB_HOST_CHANNEL_NUM 16
+
+/* otg1 host fifo */
+#define USBH_RX_FIFO_SIZE 128
+#define USBH_NP_TX_FIFO_SIZE 96
+#define USBH_P_TX_FIFO_SIZE 96
+
+/* otg2 host fifo */
+#define USBH2_RX_FIFO_SIZE 128
+#define USBH2_NP_TX_FIFO_SIZE 96
+#define USBH2_P_TX_FIFO_SIZE 96
+
+/**
+ * @brief usb sof output enable
+ */
+// #define USB_SOF_OUTPUT_ENABLE
+
+/**
+ * @brief usb vbus ignore, not use vbus pin
+ */
+#define USB_VBUS_IGNORE
+
+/**
+ * @brief usb low power wakeup handler enable
+ */
+// #define USB_LOW_POWER_WAKUP
+
+#if defined(BSP_USING_HOST_USBFS1)
+#undef BSP_USING_HOST_USBFS2
+#undef BSP_USING_DEVICE_USBFS1
+#define USBFS1_CONFIG \
+ { \
+ .name = "usbh1", \
+ .id = USB_OTG1_ID, \
+ .irqn = OTGFS1_IRQn, \
+ }
+#endif /* BSP_USING_HOST_USBFS1 */
+
+#if defined(BSP_USING_DEVICE_USBFS1)
+#undef BSP_USING_DEVICE_USBFS2
+#define USBFS1_CONFIG \
+ { \
+ .name = "usbd", \
+ .id = USB_OTG1_ID, \
+ .irqn = OTGFS1_IRQn, \
+ }
+#endif /* BSP_USING_DEVICE_USBFS1 */
+
+#if defined(BSP_USING_HOST_USBFS2)
+#undef BSP_USING_HOST_USBFS1
+#undef BSP_USING_DEVICE_USBFS2
+#define USBFS2_CONFIG \
+ { \
+ .name = "usbh2", \
+ .id = USB_OTG2_ID, \
+ .irqn = OTGFS2_IRQn, \
+ }
+#endif /* BSP_USING_HOST_USBFS2 */
+
+#if defined(BSP_USING_DEVICE_USBFS2)
+#undef BSP_USING_DEVICE_USBFS1
+#define USBFS2_CONFIG \
+ { \
+ .name = "usbd", \
+ .id = USB_OTG2_ID, \
+ .irqn = OTGFS2_IRQn, \
+ }
+#endif /* BSP_USING_DEVICE_USBFS2 */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/bsp/at32/libraries/rt_drivers/drv_config.h b/bsp/at32/libraries/rt_drivers/drv_config.h
index 0fb96ef4f7..f8b8079c69 100644
--- a/bsp/at32/libraries/rt_drivers/drv_config.h
+++ b/bsp/at32/libraries/rt_drivers/drv_config.h
@@ -12,8 +12,8 @@
#ifndef __DRV_CONFIG_H__
#define __DRV_CONFIG_H__
-#include <board.h>
#include <rtthread.h>
+#include "drv_common.h"
#ifdef __cplusplus
extern "C" {
@@ -23,14 +23,17 @@ extern "C" {
#include "f403a_407/dma_config.h"
#include "f403a_407/uart_config.h"
#include "f403a_407/spi_config.h"
+#include "f403a_407/usb_config.h"
#elif defined(SOC_SERIES_AT32F413)
#include "f413/dma_config.h"
#include "f413/uart_config.h"
#include "f413/spi_config.h"
+#include "f413/usb_config.h"
#elif defined(SOC_SERIES_AT32F415)
#include "f415/dma_config.h"
#include "f415/uart_config.h"
#include "f415/spi_config.h"
+#include "f415/usb_config.h"
#elif defined(SOC_SERIES_AT32F421)
#include "f421/dma_config.h"
#include "f421/uart_config.h"
@@ -39,10 +42,12 @@ extern "C" {
#include "f425/dma_config.h"
#include "f425/uart_config.h"
#include "f425/spi_config.h"
+#include "f425/usb_config.h"
#elif defined(SOC_SERIES_AT32F435) || defined (SOC_SERIES_AT32F437)
#include "f435_437/dma_config.h"
#include "f435_437/uart_config.h"
#include "f435_437/spi_config.h"
+#include "f435_437/usb_config.h"
#endif
#ifdef __cplusplus
diff --git a/bsp/at32/libraries/rt_drivers/drv_usart_v2.c b/bsp/at32/libraries/rt_drivers/drv_usart_v2.c
new file mode 100644
index 0000000000..820bfa12f3
--- /dev/null
+++ b/bsp/at32/libraries/rt_drivers/drv_usart_v2.c
@@ -0,0 +1,447 @@
+/*
+ * Copyright (c) 2006-2021, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date Author Notes
+ * 2023-02-23 Jonas first version
+ */
+
+#include "drv_usart_v2.h"
+
+#ifdef RT_USING_SERIAL_V2
+#if !defined(BSP_USING_UART1) && !defined(BSP_USING_UART2) && \
+ !defined(BSP_USING_UART3) && !defined(BSP_USING_UART4) && \
+ !defined(BSP_USING_UART5) && !defined(BSP_USING_UART6) && \
+ !defined(BSP_USING_UART7) && !defined(BSP_USING_UART8)
+ #error "Please define at least one BSP_USING_UARTx"
+#endif
+
+enum
+{
+#ifdef BSP_USING_UART1
+ UART1_INDEX,
+#endif
+#ifdef BSP_USING_UART2
+ UART2_INDEX,
+#endif
+#ifdef BSP_USING_UART3
+ UART3_INDEX,
+#endif
+#ifdef BSP_USING_UART4
+ UART4_INDEX,
+#endif
+#ifdef BSP_USING_UART5
+ UART5_INDEX,
+#endif
+#ifdef BSP_USING_UART6
+ UART6_INDEX,
+#endif
+#ifdef BSP_USING_UART7
+ UART7_INDEX,
+#endif
+#ifdef BSP_USING_UART8
+ UART8_INDEX,
+#endif
+};
+
+static struct at32_usart usart_config[] =
+{
+#ifdef BSP_USING_UART1
+ {
+ "uart1",
+ USART1,
+ USART1_IRQn,
+ },
+#endif
+#ifdef BSP_USING_UART2
+ {
+ "uart2",
+ USART2,
+ USART2_IRQn,
+ },
+#endif
+#ifdef BSP_USING_UART3
+ {
+ "uart3",
+ USART3,
+ USART3_IRQn,
+ },
+#endif
+#ifdef BSP_USING_UART4
+ {
+ "uart4",
+ UART4,
+ UART4_IRQn,
+ },
+#endif
+#ifdef BSP_USING_UART5
+ {
+ "uart5",
+ UART5,
+ UART5_IRQn,
+ },
+#endif
+#ifdef BSP_USING_UART6
+ {
+ "uart6",
+ USART6,
+ USART6_IRQn,
+ },
+#endif
+#ifdef BSP_USING_UART7
+ {
+ "uart7",
+ UART7,
+ UART7_IRQn,
+ },
+#endif
+#ifdef BSP_USING_UART8
+ {
+ "uart8",
+ UART8,
+ UART8_IRQn,
+ },
+#endif
+};
+
+static rt_err_t at32_configure(struct rt_serial_device *serial,
+ struct serial_configure *cfg)
+{
+ struct at32_usart *usart_instance = (struct at32_usart *) serial->parent.user_data;
+ usart_data_bit_num_type data_bit;
+ usart_stop_bit_num_type stop_bit;
+ usart_parity_selection_type parity_mode;
+
+ RT_ASSERT(serial != RT_NULL);
+ RT_ASSERT(cfg != RT_NULL);
+
+ RT_ASSERT(usart_instance != RT_NULL);
+
+ at32_msp_usart_init((void *)usart_instance->usart_x);
+
+ usart_receiver_enable(usart_instance->usart_x, TRUE);
+ usart_transmitter_enable(usart_instance->usart_x, TRUE);
+
+ usart_hardware_flow_control_set(usart_instance->usart_x, USART_HARDWARE_FLOW_NONE);
+
+ switch (cfg->data_bits)
+ {
+ case DATA_BITS_8:
+ data_bit = USART_DATA_8BITS;
+ break;
+ case DATA_BITS_9:
+ data_bit = USART_DATA_9BITS;
+ break;
+ default:
+ data_bit = USART_DATA_8BITS;
+ break;
+ }
+
+ switch (cfg->stop_bits)
+ {
+ case STOP_BITS_1:
+ stop_bit = USART_STOP_1_BIT;
+ break;
+ case STOP_BITS_2:
+ stop_bit = USART_STOP_2_BIT;
+ break;
+ default:
+ stop_bit = USART_STOP_1_BIT;
+ break;
+ }
+
+ switch (cfg->parity)
+ {
+ case PARITY_NONE:
+ parity_mode = USART_PARITY_NONE;
+ break;
+ case PARITY_ODD:
+ parity_mode = USART_PARITY_ODD;
+ break;
+ case PARITY_EVEN:
+ parity_mode = USART_PARITY_EVEN;
+ break;
+ default:
+ parity_mode = USART_PARITY_NONE;
+ break;
+ }
+ usart_parity_selection_config(usart_instance->usart_x, parity_mode);
+ usart_init(usart_instance->usart_x, cfg->baud_rate, data_bit, stop_bit);
+ usart_enable(usart_instance->usart_x, TRUE);
+
+ return RT_EOK;
+}
+
+static rt_err_t at32_control(struct rt_serial_device *serial, int cmd, void *arg)
+{
+ struct at32_usart *usart;
+
+ rt_ubase_t ctrl_arg = (rt_ubase_t)arg;
+
+ RT_ASSERT(serial != RT_NULL);
+ usart = (struct at32_usart *) serial->parent.user_data;
+ RT_ASSERT(usart != RT_NULL);
+
+ if (ctrl_arg & (RT_DEVICE_FLAG_RX_BLOCKING | RT_DEVICE_FLAG_RX_NON_BLOCKING))
+ {
+ ctrl_arg = RT_DEVICE_FLAG_INT_RX;
+ }
+ else if (ctrl_arg & (RT_DEVICE_FLAG_TX_BLOCKING | RT_DEVICE_FLAG_TX_NON_BLOCKING))
+ {
+ ctrl_arg = RT_DEVICE_FLAG_INT_TX;
+ }
+
+ switch (cmd)
+ {
+ case RT_DEVICE_CTRL_CLR_INT:
+ nvic_irq_disable(usart->irqn);
+ if (ctrl_arg == RT_DEVICE_FLAG_INT_RX)
+ usart_interrupt_enable(usart->usart_x, USART_RDBF_INT, FALSE);
+ else if (ctrl_arg == RT_DEVICE_FLAG_INT_TX)
+ usart_interrupt_enable(usart->usart_x, USART_TDBE_INT, FALSE);
+ break;
+ case RT_DEVICE_CTRL_SET_INT:
+ nvic_irq_enable(usart->irqn, 4, 1);
+ if (ctrl_arg == RT_DEVICE_FLAG_INT_RX)
+ usart_interrupt_enable(usart->usart_x, USART_RDBF_INT, TRUE);
+ else if (ctrl_arg == RT_DEVICE_FLAG_INT_TX)
+ usart_interrupt_enable(usart->usart_x, USART_TDBE_INT, TRUE);
+ break;
+ case RT_DEVICE_CTRL_CONFIG:
+ at32_control(serial, RT_DEVICE_CTRL_SET_INT, (void *)ctrl_arg);
+ break;
+ case RT_DEVICE_CHECK_OPTMODE:
+ {
+ return RT_SERIAL_TX_BLOCKING_BUFFER;
+ }
+ case RT_DEVICE_CTRL_CLOSE:
+ usart_reset(usart->usart_x);
+ break;
+ }
+
+ return RT_EOK;
+}
+
+static int at32_putc(struct rt_serial_device *serial, char ch)
+{
+ struct at32_usart *usart;
+
+ RT_ASSERT(serial != RT_NULL);
+ usart = (struct at32_usart *) serial->parent.user_data;
+ RT_ASSERT(usart != RT_NULL);
+
+ usart_data_transmit(usart->usart_x, (uint8_t)ch);
+ while (usart_flag_get(usart->usart_x, USART_TDC_FLAG) == RESET);
+
+ return 1;
+}
+
+static int at32_getc(struct rt_serial_device *serial)
+{
+ int ch;
+ struct at32_usart *usart;
+
+ RT_ASSERT(serial != RT_NULL);
+ usart = (struct at32_usart *) serial->parent.user_data;
+ RT_ASSERT(usart != RT_NULL);
+
+ ch = -1;
+ if (usart_flag_get(usart->usart_x, USART_RDBF_FLAG) != RESET)
+ {
+ ch = usart_data_receive(usart->usart_x) & 0xff;
+ }
+
+ return ch;
+}
+
+static rt_size_t at32_transmit(struct rt_serial_device *serial, rt_uint8_t *buf, rt_size_t size, rt_uint32_t tx_flag)
+{
+ RT_ASSERT(serial != RT_NULL);
+ RT_ASSERT(buf != RT_NULL);
+
+ at32_control(serial, RT_DEVICE_CTRL_SET_INT, (void *)tx_flag);
+
+ return size;
+}
+
+static const struct rt_uart_ops at32_usart_ops =
+{
+ at32_configure,
+ at32_control,
+ at32_putc,
+ at32_getc,
+ at32_transmit
+};
+
+static void usart_isr(struct rt_serial_device *serial)
+{
+ struct at32_usart *usart_instance;
+
+ RT_ASSERT(serial != RT_NULL);
+
+ usart_instance = (struct at32_usart *) serial->parent.user_data;
+ RT_ASSERT(usart_instance != RT_NULL);
+
+ if (usart_flag_get(usart_instance->usart_x, USART_RDBF_FLAG) != RESET)
+ {
+ struct rt_serial_rx_fifo *rx_fifo;
+ rx_fifo = (struct rt_serial_rx_fifo *) serial->serial_rx;
+ RT_ASSERT(rx_fifo != RT_NULL);
+
+ rt_ringbuffer_putchar(&(rx_fifo->rb), usart_data_receive(usart_instance->usart_x));
+
+ rt_hw_serial_isr(serial, RT_SERIAL_EVENT_RX_IND);
+ }
+ else
+ {
+ if ((usart_flag_get(usart_instance->usart_x, USART_TDBE_FLAG) != RESET) && usart_instance->usart_x->ctrl1_bit.tdbeien)
+ {
+ struct rt_serial_tx_fifo *tx_fifo;
+ tx_fifo = (struct rt_serial_tx_fifo *) serial->serial_tx;
+ RT_ASSERT(tx_fifo != RT_NULL);
+
+ rt_uint8_t put_char = 0;
+ if (rt_ringbuffer_getchar(&(tx_fifo->rb), &put_char))
+ {
+ usart_data_transmit(usart_instance->usart_x, put_char);
+ }
+ else
+ {
+ usart_interrupt_enable(usart_instance->usart_x, USART_TDBE_INT, FALSE);
+ usart_interrupt_enable(usart_instance->usart_x, USART_TDC_INT, TRUE);
+ }
+ usart_flag_clear(usart_instance->usart_x, USART_TDBE_FLAG);
+ }
+ else if (usart_flag_get(usart_instance->usart_x, USART_TDC_FLAG) != RESET)
+ {
+
+ usart_interrupt_enable(usart_instance->usart_x, USART_TDC_INT, FALSE);
+
+ rt_hw_serial_isr(serial, RT_SERIAL_EVENT_TX_DONE);
+
+ usart_flag_clear(usart_instance->usart_x, USART_TDC_FLAG);
+ }
+ if (usart_flag_get(usart_instance->usart_x, USART_CTSCF_FLAG) != RESET)
+ {
+ usart_flag_clear(usart_instance->usart_x, USART_CTSCF_FLAG);
+ }
+
+ if (usart_flag_get(usart_instance->usart_x, USART_BFF_FLAG) != RESET)
+ {
+ usart_flag_clear(usart_instance->usart_x, USART_BFF_FLAG);
+ }
+
+ }
+}
+
+#ifdef BSP_USING_UART1
+void USART1_IRQHandler(void)
+{
+ rt_interrupt_enter();
+
+ usart_isr(&usart_config[UART1_INDEX].serial);
+
+ rt_interrupt_leave();
+}
+#endif
+#ifdef BSP_USING_UART2
+void USART2_IRQHandler(void)
+{
+ rt_interrupt_enter();
+
+ usart_isr(&usart_config[UART2_INDEX].serial);
+
+ rt_interrupt_leave();
+}
+#endif
+#ifdef BSP_USING_UART3
+void USART3_IRQHandler(void)
+{
+ rt_interrupt_enter();
+
+ usart_isr(&usart_config[UART3_INDEX].serial);
+
+ rt_interrupt_leave();
+}
+#endif
+#ifdef BSP_USING_UART4
+void UART4_IRQHandler(void)
+{
+ rt_interrupt_enter();
+
+ usart_isr(&usart_config[UART4_INDEX].serial);
+
+ rt_interrupt_leave();
+}
+#endif
+#ifdef BSP_USING_UART5
+void UART5_IRQHandler(void)
+{
+ rt_interrupt_enter();
+
+ usart_isr(&usart_config[UART5_INDEX].serial);
+
+ rt_interrupt_leave();
+}
+#endif
+#ifdef BSP_USING_UART6
+void USART6_IRQHandler(void)
+{
+ rt_interrupt_enter();
+
+ usart_isr(&usart_config[UART6_INDEX].serial);
+
+ rt_interrupt_leave();
+}
+#endif
+#ifdef BSP_USING_UART7
+void UART7_IRQHandler(void)
+{
+ rt_interrupt_enter();
+
+ usart_isr(&usart_config[UART7_INDEX].serial);
+
+ rt_interrupt_leave();
+}
+#endif
+#ifdef BSP_USING_UART8
+void UART8_IRQHandler(void)
+{
+ rt_interrupt_enter();
+
+ usart_isr(&usart_config[UART8_INDEX].serial);
+
+ rt_interrupt_leave();
+}
+#endif
+
+int rt_hw_usart_init(void)
+{
+ rt_size_t obj_num;
+ int index;
+
+ obj_num = sizeof(usart_config) / sizeof(struct at32_usart);
+ struct serial_configure config = RT_SERIAL_CONFIG_DEFAULT;
+ rt_err_t result = 0;
+
+ for (index = 0; index < obj_num; index++)
+ {
+ usart_config[index].serial.config = config;
+ usart_config[index].serial.ops = &at32_usart_ops;
+
+ /* register uart device */
+ result = rt_hw_serial_register(&usart_config[index].serial,
+ usart_config[index].name,
+ RT_DEVICE_FLAG_RDWR |
+ RT_DEVICE_FLAG_INT_RX |
+ RT_DEVICE_FLAG_INT_TX,
+ &usart_config[index]);
+ RT_ASSERT(result == RT_EOK);
+ }
+
+ return result;
+}
+
+#endif /* RT_USING_SERIAL_V2 */
diff --git a/bsp/at32/libraries/rt_drivers/drv_usart_v2.h b/bsp/at32/libraries/rt_drivers/drv_usart_v2.h
new file mode 100644
index 0000000000..1fe1cf24ee
--- /dev/null
+++ b/bsp/at32/libraries/rt_drivers/drv_usart_v2.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2006-2021, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date Author Notes
+ * 2023-02-23 Jonas first version
+ */
+
+#ifndef __DRV_USART_V2_H__
+#define __DRV_USART_V2_H__
+
+#include <rtthread.h>
+#include <rtdevice.h>
+#include <drv_common.h>
+
+struct at32_usart
+{
+ char *name;
+ usart_type *usart_x;
+ IRQn_Type irqn;
+ struct rt_serial_device serial;
+};
+
+int rt_hw_usart_init(void);
+
+#endif /* __DRV_USART_V2_H__ */
diff --git a/bsp/at32/libraries/rt_drivers/drv_usbd.c b/bsp/at32/libraries/rt_drivers/drv_usbd.c
new file mode 100644
index 0000000000..25541f85fb
--- /dev/null
+++ b/bsp/at32/libraries/rt_drivers/drv_usbd.c
@@ -0,0 +1,274 @@
+/*
+ * Copyright (c) 2006-2021, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date Author Notes
+ * 2023-02-28 leo first version
+ */
+
+#include <rtthread.h>
+#include <rtdevice.h>
+#include "usbd_int.h"
+#include "drv_common.h"
+#include "drv_usbd.h"
+#include "drv_config.h"
+
+#if defined(BSP_USING_USBD)
+
+static struct at32_usbd *p_usbd_instance = NULL;
+static struct ep_id endpoint_pool[] =
+{
+ {0x0, USB_EP_ATTR_CONTROL, USB_DIR_INOUT, 64, ID_ASSIGNED },
+ {0x1, USB_EP_ATTR_BULK, USB_DIR_IN, 64, ID_UNASSIGNED},
+ {0x1, USB_EP_ATTR_BULK, USB_DIR_OUT, 64, ID_UNASSIGNED},
+ {0x2, USB_EP_ATTR_INT, USB_DIR_IN, 64, ID_UNASSIGNED},
+ {0x2, USB_EP_ATTR_INT, USB_DIR_OUT, 64, ID_UNASSIGNED},
+ {0x3, USB_EP_ATTR_ISOC, USB_DIR_IN, 64, ID_UNASSIGNED},
+ {0x3, USB_EP_ATTR_ISOC, USB_DIR_OUT, 64, ID_UNASSIGNED},
+ {0xFF, USB_EP_ATTR_TYPE_MASK, USB_DIR_MASK, 0, ID_ASSIGNED },
+};
+
+enum
+{
+#ifdef BSP_USING_USBD
+ USBD1_INDEX,
+#endif
+};
+
+static struct at32_usbd usbd_config[] = {
+#ifdef BSP_USING_USBD
+ USBD_CONFIG,
+#endif
+};
+
+void USB_IRQHandler(void)
+{
+ /* enter interrupt */
+ rt_interrupt_enter();
+
+ usbd_irq_handler(p_usbd_instance->p_usbd_core);
+
+ /* leave interrupt */
+ rt_interrupt_leave();
+}
+
+void usbd_reset_callback(usbd_core_type *udev)
+{
+ udcd_t udcd = (udcd_t)udev->pdata;
+ rt_usbd_reset_handler(udcd);
+}
+
+void usbd_connectCallback(usbd_core_type *udev)
+{
+ udcd_t udcd = (udcd_t)udev->pdata;
+ rt_usbd_connect_handler(udcd);
+}
+
+void usbd_disconnectCallback(usbd_core_type *udev)
+{
+ udcd_t udcd = (udcd_t)udev->pdata;
+ rt_usbd_disconnect_handler(udcd);
+}
+
+void usbd_setup_phase_done_callback(usbd_core_type *udev)
+{
+ udcd_t udcd = (udcd_t)udev->pdata;
+ rt_usbd_ep0_setup_handler(udcd, (struct urequest*)udev->setup_buffer);
+}
+
+void usbd_data_in_stage_callback(usbd_core_type *udev, uint32_t ept_num)
+{
+ udcd_t udcd = (udcd_t)udev->pdata;
+
+ if (ept_num == 0)
+ {
+ rt_usbd_ep0_in_handler(udcd);
+ }
+ else
+ {
+ rt_usbd_ep_in_handler(udcd, 0x80 | ept_num, udev->ept_in[ept_num].trans_len);
+ }
+}
+
+void usbd_sof_callback(usbd_core_type *udev)
+{
+ udcd_t udcd = (udcd_t)udev->pdata;
+ rt_usbd_sof_handler(udcd);
+}
+
+void usbd_data_out_stage_callback(usbd_core_type *udev, uint32_t ept_num)
+{
+ udcd_t udcd = (udcd_t)udev->pdata;
+
+ if (ept_num != 0)
+ {
+ rt_usbd_ep_out_handler(udcd, ept_num, udev->ept_out[ept_num].trans_len);
+ }
+ else
+ {
+ rt_usbd_ep0_out_handler(udcd, udev->ept_out[0].trans_len);
+ }
+}
+
+static rt_err_t _ep_set_stall(rt_uint8_t address)
+{
+ usbd_set_stall(p_usbd_instance->p_usbd_core, address);
+ return RT_EOK;
+}
+
+static rt_err_t _ep_clear_stall(rt_uint8_t address)
+{
+ usbd_clear_stall(p_usbd_instance->p_usbd_core, address);
+ return RT_EOK;
+}
+
+static rt_err_t _set_address(rt_uint8_t address)
+{
+ usbd_set_device_addr(p_usbd_instance->p_usbd_core, address);
+ return RT_EOK;
+}
+
+static rt_err_t _set_config(rt_uint8_t address)
+{
+ return RT_EOK;
+}
+
+static rt_err_t _ep_enable(uep_t ep)
+{
+ RT_ASSERT(ep != RT_NULL);
+ RT_ASSERT(ep->ep_desc != RT_NULL);
+
+ usbd_ept_open(p_usbd_instance->p_usbd_core, ep->ep_desc->bEndpointAddress, ep->ep_desc->bmAttributes, ep->ep_desc->wMaxPacketSize);
+ return RT_EOK;
+}
+
+static rt_err_t _ep_disable(uep_t ep)
+{
+ RT_ASSERT(ep != RT_NULL);
+ RT_ASSERT(ep->ep_desc != RT_NULL);
+ usbd_ept_close(p_usbd_instance->p_usbd_core, ep->ep_desc->bEndpointAddress);
+ return RT_EOK;
+}
+
+static rt_size_t _ep_read(rt_uint8_t address, void *buffer)
+{
+ rt_size_t size = 0;
+ RT_ASSERT(buffer != RT_NULL);
+ return size;
+}
+
+static rt_size_t _ep_read_prepare(rt_uint8_t address, void *buffer, rt_size_t size)
+{
+ usbd_ept_recv(p_usbd_instance->p_usbd_core, address, buffer, size);
+ return size;
+}
+
+static rt_size_t _ep_write(rt_uint8_t address, void *buffer, rt_size_t size)
+{
+ usbd_ept_send(p_usbd_instance->p_usbd_core, address, buffer, size);
+ return size;
+}
+
+static rt_err_t _ep0_send_status(void)
+{
+ usbd_ctrl_send_status(p_usbd_instance->p_usbd_core);
+ return RT_EOK;
+}
+
+static rt_err_t _suspend(void)
+{
+ return RT_EOK;
+}
+
+static rt_err_t _wakeup(void)
+{
+ return RT_EOK;
+}
+
+static rt_err_t at32_dcd_init(rt_device_t device)
+{
+ /* usb gpio config */
+ at32_msp_usb_init(device);
+
+ /* enable usb interrupt */
+ nvic_irq_enable(p_usbd_instance->irqn, 2, 0);
+
+ /* usb core init */
+ usbd_core_init(p_usbd_instance->p_usbd_core, USB, 0);
+
+ /* enable usb pull-up */
+ usbd_connect(p_usbd_instance->p_usbd_core);
+
+ return RT_EOK;
+}
+
+const static struct udcd_ops _udc_ops =
+{
+ _set_address,
+ _set_config,
+ _ep_set_stall,
+ _ep_clear_stall,
+ _ep_enable,
+ _ep_disable,
+ _ep_read_prepare,
+ _ep_read,
+ _ep_write,
+ _ep0_send_status,
+ _suspend,
+ _wakeup,
+};
+
+int at32_usbd_register(void)
+{
+ rt_size_t obj_num;
+ rt_err_t result = 0;
+ int index;
+
+ obj_num = sizeof(usbd_config) / sizeof(struct at32_usbd);
+
+ for (index = 0; index < obj_num; index++) {
+ udcd_t udcd = (udcd_t)rt_malloc(sizeof(struct udcd));
+ if (udcd == RT_NULL)
+ {
+ rt_kprintf("udcd malloc failed\r\n");
+ return -RT_ERROR;
+ }
+ rt_memset((void *)udcd, 0, sizeof(struct udcd));
+
+ usbd_core_type *p_usbd_core = (usbd_core_type *)rt_malloc(sizeof(usbd_core_type));
+ if (p_usbd_core == RT_NULL)
+ {
+ rt_kprintf("usbd_core malloc failed\r\n");
+ return -RT_ERROR;
+ }
+ rt_memset((void *)p_usbd_core, 0, sizeof(usbd_core_type));
+
+ udcd->parent.type = RT_Device_Class_USBDevice;
+ udcd->parent.init = at32_dcd_init;
+
+ udcd->parent.user_data = p_usbd_core;
+ udcd->ops = &_udc_ops;
+ p_usbd_core->pdata = udcd;
+ usbd_config[index].p_usbd_core = p_usbd_core;
+
+ /* register endpoint infomation */
+ udcd->ep_pool = endpoint_pool;
+ udcd->ep0.id = &endpoint_pool[0];
+
+ result = rt_device_register((rt_device_t)udcd, usbd_config[index].name, 0);
+ RT_ASSERT(result == RT_EOK);
+
+ p_usbd_instance = &usbd_config[index];
+
+ result = rt_usb_device_init();
+ RT_ASSERT(result == RT_EOK);
+ }
+
+ return result;
+}
+
+INIT_DEVICE_EXPORT(at32_usbd_register);
+
+#endif
diff --git a/bsp/at32/libraries/rt_drivers/drv_usbd.h b/bsp/at32/libraries/rt_drivers/drv_usbd.h
new file mode 100644
index 0000000000..5406537026
--- /dev/null
+++ b/bsp/at32/libraries/rt_drivers/drv_usbd.h
@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) 2006-2021, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date Author Notes
+ * 2023-02-28 shelton first version
+ */
+
+#ifndef __DRV_USBD_H__
+#define __DRV_USBD_H__
+
+#include <rtthread.h>
+#include <rtdevice.h>
+#include "drv_common.h"
+#include "usbd_core.h"
+
+struct at32_usbd {
+ char *name;
+ usbd_core_type *p_usbd_core;
+ IRQn_Type irqn;
+};
+
+#endif /* __DRV_USBD_H__ */
+
+/******************* end of file *******************/
diff --git a/bsp/at32/libraries/rt_drivers/drv_usbfs.h b/bsp/at32/libraries/rt_drivers/drv_usbfs.h
new file mode 100644
index 0000000000..52d205da27
--- /dev/null
+++ b/bsp/at32/libraries/rt_drivers/drv_usbfs.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2006-2021, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date Author Notes
+ * 2023-02-28 shelton first version
+ */
+
+#ifndef __DRV_USBFS_H__
+#define __DRV_USBFS_H__
+
+#include <rtthread.h>
+#include <rtdevice.h>
+#include "drv_common.h"
+#include "usb_core.h"
+
+struct at32_usbfs {
+ char *name;
+ otg_core_type *p_otg_core;
+ otg_id_type id;
+ IRQn_Type irqn;
+};
+
+#endif /* __DRV_USBFS_H__ */
+
+/******************* end of file *******************/
diff --git a/bsp/at32/libraries/rt_drivers/drv_usbfsd.c b/bsp/at32/libraries/rt_drivers/drv_usbfsd.c
new file mode 100644
index 0000000000..494db5dabc
--- /dev/null
+++ b/bsp/at32/libraries/rt_drivers/drv_usbfsd.c
@@ -0,0 +1,311 @@
+/*
+ * Copyright (c) 2006-2021, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date Author Notes
+ * 2023-02-28 leo first version
+ */
+
+#include <rtthread.h>
+#include <rtdevice.h>
+#include "usbd_int.h"
+#include "drv_common.h"
+#include "drv_usbfs.h"
+#include "drv_config.h"
+
+#if defined(BSP_USING_DEVICE_USBFS1) || defined(BSP_USING_DEVICE_USBFS2)
+
+static struct at32_usbfs *p_usbfs_instance = NULL;
+static struct ep_id endpoint_pool[] =
+{
+ {0x0, USB_EP_ATTR_CONTROL, USB_DIR_INOUT, 64, ID_ASSIGNED },
+ {0x1, USB_EP_ATTR_BULK, USB_DIR_IN, 64, ID_UNASSIGNED},
+ {0x1, USB_EP_ATTR_BULK, USB_DIR_OUT, 64, ID_UNASSIGNED},
+ {0x2, USB_EP_ATTR_INT, USB_DIR_IN, 64, ID_UNASSIGNED},
+ {0x2, USB_EP_ATTR_INT, USB_DIR_OUT, 64, ID_UNASSIGNED},
+ {0x3, USB_EP_ATTR_ISOC, USB_DIR_IN, 64, ID_UNASSIGNED},
+ {0x3, USB_EP_ATTR_ISOC, USB_DIR_OUT, 64, ID_UNASSIGNED},
+ {0xFF, USB_EP_ATTR_TYPE_MASK, USB_DIR_MASK, 0, ID_ASSIGNED },
+};
+
+enum
+{
+#ifdef BSP_USING_DEVICE_USBFS1
+ USBFS1_INDEX,
+#endif
+#ifdef BSP_USING_DEVICE_USBFS2
+ USBFS2_INDEX,
+#endif
+};
+
+static struct at32_usbfs usbfsd_config[] = {
+#ifdef BSP_USING_DEVICE_USBFS1
+ USBFS1_CONFIG,
+#endif
+#ifdef BSP_USING_DEVICE_USBFS2
+ USBFS2_CONFIG,
+#endif
+};
+
+#ifdef BSP_USING_DEVICE_USBFS1
+void OTGFS1_IRQHandler(void)
+{
+ /* enter interrupt */
+ rt_interrupt_enter();
+
+ usbd_irq_handler(p_usbfs_instance->p_otg_core);
+
+ /* leave interrupt */
+ rt_interrupt_leave();
+}
+#endif
+
+#ifdef BSP_USING_DEVICE_USBFS2
+void OTGFS2_IRQHandler(void)
+{
+ /* enter interrupt */
+ rt_interrupt_enter();
+
+ usbd_irq_handler(p_usbfs_instance->p_otg_core);
+
+ /* leave interrupt */
+ rt_interrupt_leave();
+}
+#endif
+
+void usbd_reset_callback(usbd_core_type *udev)
+{
+ udcd_t udcd = (udcd_t)udev->pdata;
+ rt_usbd_reset_handler(udcd);
+}
+
+void usbd_connectCallback(usbd_core_type *udev)
+{
+ udcd_t udcd = (udcd_t)udev->pdata;
+ rt_usbd_connect_handler(udcd);
+}
+
+void usbd_disconnectCallback(usbd_core_type *udev)
+{
+ udcd_t udcd = (udcd_t)udev->pdata;
+ rt_usbd_disconnect_handler(udcd);
+}
+
+void usbd_setup_phase_done_callback(usbd_core_type *udev)
+{
+ udcd_t udcd = (udcd_t)udev->pdata;
+ rt_usbd_ep0_setup_handler(udcd, (struct urequest*)udev->setup_buffer);
+}
+
+void usbd_data_in_stage_callback(usbd_core_type *udev, uint32_t ept_num)
+{
+ udcd_t udcd = (udcd_t)udev->pdata;
+
+ if (ept_num == 0)
+ {
+ rt_usbd_ep0_in_handler(udcd);
+ }
+ else
+ {
+ rt_usbd_ep_in_handler(udcd, 0x80 | ept_num, udev->ept_in[ept_num].trans_len);
+ }
+}
+
+void usbd_sof_callback(usbd_core_type *udev)
+{
+ udcd_t udcd = (udcd_t)udev->pdata;
+ rt_usbd_sof_handler(udcd);
+}
+
+void usbd_data_out_stage_callback(usbd_core_type *udev, uint32_t ept_num)
+{
+ udcd_t udcd = (udcd_t)udev->pdata;
+
+ if (ept_num != 0)
+ {
+ rt_usbd_ep_out_handler(udcd, ept_num, udev->ept_out[ept_num].trans_len);
+ }
+ else
+ {
+ rt_usbd_ep0_out_handler(udcd, udev->ept_out[0].trans_len);
+ }
+}
+
+static rt_err_t _ep_set_stall(rt_uint8_t address)
+{
+ usbd_set_stall(&p_usbfs_instance->p_otg_core->dev, address);
+ return RT_EOK;
+}
+
+static rt_err_t _ep_clear_stall(rt_uint8_t address)
+{
+ usbd_clear_stall(&p_usbfs_instance->p_otg_core->dev, address);
+ return RT_EOK;
+}
+
+static rt_err_t _set_address(rt_uint8_t address)
+{
+ usbd_set_device_addr(&p_usbfs_instance->p_otg_core->dev, address);
+ return RT_EOK;
+}
+
+static rt_err_t _set_config(rt_uint8_t address)
+{
+ return RT_EOK;
+}
+
+static rt_err_t _ep_enable(uep_t ep)
+{
+ RT_ASSERT(ep != RT_NULL);
+ RT_ASSERT(ep->ep_desc != RT_NULL);
+
+ usbd_ept_open(&p_usbfs_instance->p_otg_core->dev, ep->ep_desc->bEndpointAddress, \
+ ep->ep_desc->bmAttributes, ep->ep_desc->wMaxPacketSize);
+ return RT_EOK;
+}
+
+static rt_err_t _ep_disable(uep_t ep)
+{
+ RT_ASSERT(ep != RT_NULL);
+ RT_ASSERT(ep->ep_desc != RT_NULL);
+
+ usbd_ept_close(&p_usbfs_instance->p_otg_core->dev, ep->ep_desc->bEndpointAddress);
+ return RT_EOK;
+}
+
+static rt_size_t _ep_read(rt_uint8_t address, void *buffer)
+{
+ rt_size_t size = 0;
+ RT_ASSERT(buffer != RT_NULL);
+ return size;
+}
+
+static rt_size_t _ep_read_prepare(rt_uint8_t address, void *buffer, rt_size_t size)
+{
+ usbd_ept_recv(&p_usbfs_instance->p_otg_core->dev, address, buffer, size);
+ return size;
+}
+
+static rt_size_t _ep_write(rt_uint8_t address, void *buffer, rt_size_t size)
+{
+ usbd_ept_send(&p_usbfs_instance->p_otg_core->dev, address, buffer, size);
+ return size;
+}
+
+static rt_err_t _ep0_send_status(void)
+{
+ usbd_ept_send(&p_usbfs_instance->p_otg_core->dev, 0x00, NULL, 0);
+ return RT_EOK;
+}
+
+static rt_err_t _suspend(void)
+{
+ return RT_EOK;
+}
+
+static rt_err_t _wakeup(void)
+{
+ return RT_EOK;
+}
+
+static rt_err_t at32_dcd_init(rt_device_t device)
+{
+ /* usb gpio config */
+ at32_msp_usb_init(device);
+
+ /* enable otgfs irq */
+ nvic_irq_enable(p_usbfs_instance->irqn, 2, 0);
+
+ /* init usb */
+ p_usbfs_instance->p_otg_core->usb_reg = usb_global_select_core(p_usbfs_instance->id);
+
+ /* usb device core config */
+ usb_core_config(p_usbfs_instance->p_otg_core, USB_FULL_SPEED_CORE_ID);
+
+ if(p_usbfs_instance->p_otg_core->cfg.sof_out)
+ {
+ p_usbfs_instance->p_otg_core->usb_reg->gccfg_bit.sofouten = TRUE;
+ }
+
+ if(p_usbfs_instance->p_otg_core->cfg.vbusig)
+ {
+ p_usbfs_instance->p_otg_core->usb_reg->gccfg_bit.vbusig = TRUE;
+ }
+
+ /* usb device core init */
+ usbd_core_init(&(p_usbfs_instance->p_otg_core->dev), p_usbfs_instance->p_otg_core->usb_reg,
+ USB_FULL_SPEED_CORE_ID);
+
+ return RT_EOK;
+}
+
+const static struct udcd_ops _udc_ops =
+{
+ _set_address,
+ _set_config,
+ _ep_set_stall,
+ _ep_clear_stall,
+ _ep_enable,
+ _ep_disable,
+ _ep_read_prepare,
+ _ep_read,
+ _ep_write,
+ _ep0_send_status,
+ _suspend,
+ _wakeup,
+};
+
+int at32_usbd_register(void)
+{
+ rt_size_t obj_num;
+ rt_err_t result = 0;
+ int index;
+
+ obj_num = sizeof(usbfsd_config) / sizeof(struct at32_usbfs);
+
+ for (index = 0; index < obj_num; index++) {
+ udcd_t udcd = (udcd_t)rt_malloc(sizeof(struct udcd));
+ if (udcd == RT_NULL)
+ {
+ rt_kprintf("uhcd malloc failed\r\n");
+ return -RT_ERROR;
+ }
+ rt_memset((void *)udcd, 0, sizeof(struct udcd));
+
+ otg_core_type *p_otg_core = (otg_core_type *)rt_malloc(sizeof(otg_core_type));
+ if (p_otg_core == RT_NULL)
+ {
+ rt_kprintf("otg_core malloc failed\r\n");
+ return -RT_ERROR;
+ }
+ rt_memset((void *)p_otg_core, 0, sizeof(otg_core_type));
+
+ udcd->parent.type = RT_Device_Class_USBDevice;
+ udcd->parent.init = at32_dcd_init;
+
+ udcd->parent.user_data = &(p_otg_core->dev);
+ udcd->ops = &_udc_ops;
+ p_otg_core->dev.pdata = udcd;
+ usbfsd_config[index].p_otg_core = p_otg_core;
+
+ /* register endpoint infomation */
+ udcd->ep_pool = endpoint_pool;
+ udcd->ep0.id = &endpoint_pool[0];
+
+ result = rt_device_register((rt_device_t)udcd, usbfsd_config[index].name, 0);
+ RT_ASSERT(result == RT_EOK);
+
+ p_usbfs_instance = &usbfsd_config[index];
+
+ result = rt_usb_device_init();
+ RT_ASSERT(result == RT_EOK);
+ }
+
+ return result;
+}
+
+INIT_DEVICE_EXPORT(at32_usbd_register);
+
+#endif
diff --git a/bsp/at32/libraries/rt_drivers/drv_usbfsh.c b/bsp/at32/libraries/rt_drivers/drv_usbfsh.c
new file mode 100644
index 0000000000..8a959cff81
--- /dev/null
+++ b/bsp/at32/libraries/rt_drivers/drv_usbfsh.c
@@ -0,0 +1,406 @@
+/*
+ * Copyright (c) 2006-2021, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date Author Notes
+ * 2023-02-28 leo first version
+ */
+
+#include <rtthread.h>
+#include <rtdevice.h>
+#include "usbh_int.h"
+#include "drv_common.h"
+#include "drv_usbfs.h"
+#include "drv_config.h"
+
+#if defined(BSP_USING_HOST_USBFS1) || defined(BSP_USING_HOST_USBFS2)
+
+//#define DRV_DEBUG
+#define LOG_TAG "drv.usb"
+#include <drv_log.h>
+
+static struct rt_completion urb_completion;
+static volatile rt_bool_t connect_status = RT_FALSE;
+static struct at32_usbfs *p_usbfs_instance = NULL;
+
+enum
+{
+#ifdef BSP_USING_HOST_USBFS1
+ USBFS1_INDEX,
+#endif
+#ifdef BSP_USING_HOST_USBFS2
+ USBFS2_INDEX,
+#endif
+};
+
+static struct at32_usbfs usbfsh_config[] = {
+#ifdef BSP_USING_HOST_USBFS1
+ USBFS1_CONFIG,
+#endif
+#ifdef BSP_USING_HOST_USBFS2
+ USBFS2_CONFIG,
+#endif
+};
+
+#ifdef BSP_USING_HOST_USBFS1
+void OTGFS1_IRQHandler(void)
+{
+ /* enter interrupt */
+ rt_interrupt_enter();
+
+ usbh_irq_handler(p_usbfs_instance->p_otg_core);
+
+ /* leave interrupt */
+ rt_interrupt_leave();
+}
+#endif
+
+#ifdef BSP_USING_HOST_USBFS2
+void OTGFS2_IRQHandler(void)
+{
+ /* enter interrupt */
+ rt_interrupt_enter();
+
+ usbh_irq_handler(p_usbfs_instance->p_otg_core);
+
+ /* leave interrupt */
+ rt_interrupt_leave();
+}
+#endif
+
+void usbh_connect_callback(usbh_core_type *uhost)
+{
+ uhcd_t hcd = (uhcd_t)uhost->pdata;
+ if (!connect_status)
+ {
+ connect_status = RT_TRUE;
+ RT_DEBUG_LOG(RT_DEBUG_USB, ("usb connected\n"));
+ rt_usbh_root_hub_connect_handler(hcd, 1, RT_FALSE);
+ }
+}
+
+void usbh_disconnect_callback(usbh_core_type *uhost)
+{
+ uhcd_t hcd = (uhcd_t)uhost->pdata;
+ if (connect_status)
+ {
+ connect_status = RT_FALSE;
+ RT_DEBUG_LOG(RT_DEBUG_USB, ("usb disconnnect\n"));
+ rt_usbh_root_hub_disconnect_handler(hcd, 1);
+ }
+}
+
+void usbd_notify_urbchange_callback(usbh_core_type *uhost, uint8_t chnum, urb_sts_type sts)
+{
+ rt_completion_done(&urb_completion);
+}
+
+static rt_err_t drv_reset_port(rt_uint8_t port)
+{
+ RT_DEBUG_LOG(RT_DEBUG_USB, ("reset port\n"));
+ usbh_reset_port(&p_usbfs_instance->p_otg_core->host);
+ return RT_EOK;
+}
+
+static int drv_pipe_xfer(upipe_t pipe, rt_uint8_t token, void *buffer, int nbytes, int timeouts)
+{
+ int timeout = timeouts;
+
+ while(1)
+ {
+ if(!connect_status)
+ {
+ return -1;
+ }
+ rt_completion_init(&urb_completion);
+
+ p_usbfs_instance->p_otg_core->host.hch[pipe->pipe_index].dir = (pipe->ep.bEndpointAddress & 0x80) >> 7;
+
+ if(token == 0U)
+ {
+ p_usbfs_instance->p_otg_core->host.hch[pipe->pipe_index].data_pid = HCH_PID_SETUP;
+ }
+ else
+ {
+ p_usbfs_instance->p_otg_core->host.hch[pipe->pipe_index].data_pid = HCH_PID_DATA1;
+ }
+
+ /* endpoint type */
+ switch(pipe->ep.bmAttributes)
+ {
+ /* endpoint is control type */
+ case EPT_CONTROL_TYPE:
+ if((token == 1U) && (((pipe->ep.bEndpointAddress & 0x80) >> 7) == 0U))
+ {
+ if(nbytes == 0U)
+ {
+ p_usbfs_instance->p_otg_core->host.hch[pipe->pipe_index].toggle_out = 1U;
+ }
+ if((&p_usbfs_instance->p_otg_core->host)->hch[pipe->pipe_index].toggle_out == 0U)
+ {
+ p_usbfs_instance->p_otg_core->host.hch[pipe->pipe_index].data_pid = HCH_PID_DATA0;
+ }
+ else
+ {
+ p_usbfs_instance->p_otg_core->host.hch[pipe->pipe_index].data_pid = HCH_PID_DATA1;
+ }
+ }
+ break;
+ /* endpoint is bulk type */
+ case EPT_BULK_TYPE:
+ if(((pipe->ep.bEndpointAddress & 0x80) >> 7) == 0U)
+ {
+ if( p_usbfs_instance->p_otg_core->host.hch[pipe->pipe_index].toggle_out == 0U)
+ {
+ p_usbfs_instance->p_otg_core->host.hch[pipe->pipe_index].data_pid = HCH_PID_DATA0;
+ }
+ else
+ {
+ p_usbfs_instance->p_otg_core->host.hch[pipe->pipe_index].data_pid = HCH_PID_DATA1;
+ }
+ }
+ else
+ {
+ if( p_usbfs_instance->p_otg_core->host.hch[pipe->pipe_index].toggle_in == 0U)
+ {
+ p_usbfs_instance->p_otg_core->host.hch[pipe->pipe_index].data_pid = HCH_PID_DATA0;
+ }
+ else
+ {
+ p_usbfs_instance->p_otg_core->host.hch[pipe->pipe_index].data_pid = HCH_PID_DATA1;
+ }
+ }
+ break;
+ /* endpoint is int type */
+ case EPT_INT_TYPE:
+ if(((pipe->ep.bEndpointAddress & 0x80) >> 7) == 0U)
+ {
+ if( p_usbfs_instance->p_otg_core->host.hch[pipe->pipe_index].toggle_out == 0U)
+ {
+ p_usbfs_instance->p_otg_core->host.hch[pipe->pipe_index].data_pid = HCH_PID_DATA0;
+ }
+ else
+ {
+ p_usbfs_instance->p_otg_core->host.hch[pipe->pipe_index].data_pid = HCH_PID_DATA1;
+ }
+ }
+ else
+ {
+ if( p_usbfs_instance->p_otg_core->host.hch[pipe->pipe_index].toggle_in == 0U)
+ {
+ p_usbfs_instance->p_otg_core->host.hch[pipe->pipe_index].data_pid = HCH_PID_DATA0;
+ }
+ else
+ {
+ p_usbfs_instance->p_otg_core->host.hch[pipe->pipe_index].data_pid = HCH_PID_DATA1;
+ }
+ }
+ break;
+ /* endpoint is isoc type */
+ case EPT_ISO_TYPE:
+ p_usbfs_instance->p_otg_core->host.hch[pipe->pipe_index].data_pid = HCH_PID_DATA0;
+ break;
+
+ default:
+ break;
+ }
+
+ /* set transfer buffer */
+ p_usbfs_instance->p_otg_core->host.hch[pipe->pipe_index].trans_buf = buffer;
+ /* set transfer len*/
+ p_usbfs_instance->p_otg_core->host.hch[pipe->pipe_index].trans_len = nbytes;
+ p_usbfs_instance->p_otg_core->host.hch[pipe->pipe_index].urb_sts = URB_IDLE;
+ p_usbfs_instance->p_otg_core->host.hch[pipe->pipe_index].ch_num = pipe->pipe_index;
+ p_usbfs_instance->p_otg_core->host.hch[pipe->pipe_index].trans_count = 0;
+ p_usbfs_instance->p_otg_core->host.hch[pipe->pipe_index].state = HCH_IDLE;
+
+ /* data in/out for host */
+ usbh_in_out_request((&p_usbfs_instance->p_otg_core->host), pipe->pipe_index);
+
+ rt_completion_wait(&urb_completion, timeout);
+ rt_thread_mdelay(1);
+
+ if(usbh_get_status((&p_usbfs_instance->p_otg_core->host), pipe->pipe_index) == HCH_NAK)
+ {
+ RT_DEBUG_LOG(RT_DEBUG_USB, ("nak\n"));
+ if (pipe->ep.bmAttributes == USB_EP_ATTR_INT)
+ {
+ rt_thread_delay((pipe->ep.bInterval * RT_TICK_PER_SECOND / 1000) > 0 ? (pipe->ep.bInterval * RT_TICK_PER_SECOND / 1000) : 1);
+ }
+ usb_hch_halt((&p_usbfs_instance->p_otg_core->host)->usb_reg, pipe->pipe_index);
+
+ usbh_hc_open(&p_usbfs_instance->p_otg_core->host,
+ pipe->pipe_index,
+ pipe->ep.bEndpointAddress,
+ pipe->inst->address,
+ pipe->ep.bmAttributes,
+ pipe->ep.wMaxPacketSize,
+ USB_PRTSPD_FULL_SPEED);
+ continue;
+ }
+ else if (usbh_get_status(&p_usbfs_instance->p_otg_core->host, pipe->pipe_index) == HCH_STALL)
+ {
+ RT_DEBUG_LOG(RT_DEBUG_USB, ("stall\n"));
+ pipe->status = UPIPE_STATUS_STALL;
+ if (pipe->callback != RT_NULL)
+ {
+ pipe->callback(pipe);
+ }
+ return -1;
+ }
+ else if (usbh_get_status(&p_usbfs_instance->p_otg_core->host, pipe->pipe_index) == URB_ERROR)
+ {
+ RT_DEBUG_LOG(RT_DEBUG_USB, ("error\n"));
+ pipe->status = UPIPE_STATUS_ERROR;
+ if (pipe->callback != RT_NULL)
+ {
+ pipe->callback(pipe);
+ }
+ return -1;
+ }
+ else if(URB_DONE == usbh_get_urb_status(&p_usbfs_instance->p_otg_core->host, pipe->pipe_index))
+ {
+ RT_DEBUG_LOG(RT_DEBUG_USB, ("ok\n"));
+ pipe->status = UPIPE_STATUS_OK;
+ if (pipe->callback != RT_NULL)
+ {
+ pipe->callback(pipe);
+ }
+ size_t size = (&p_usbfs_instance->p_otg_core->host)->hch[pipe->pipe_index].trans_count;
+ if (pipe->ep.bEndpointAddress & 0x80)
+ {
+ return size;
+ }
+ else if (pipe->ep.bEndpointAddress & 0x00)
+ {
+ return size;
+ }
+ return nbytes;
+ }
+ continue;
+ }
+}
+
+static rt_uint16_t pipe_index = 0;
+static rt_uint8_t drv_get_free_pipe_index(void)
+{
+ rt_uint8_t idx;
+ for (idx = 1; idx < 16; idx++)
+ {
+ if (!(pipe_index & (0x01 << idx)))
+ {
+ pipe_index |= (0x01 << idx);
+ return idx;
+ }
+ }
+ return 0xff;
+}
+
+static void drv_free_pipe_index(rt_uint8_t index)
+{
+ pipe_index &= ~(0x01 << index);
+}
+
+static rt_err_t drv_open_pipe(upipe_t pipe)
+{
+ pipe->pipe_index = drv_get_free_pipe_index();
+ usbh_hc_open(&p_usbfs_instance->p_otg_core->host,
+ pipe->pipe_index,
+ pipe->ep.bEndpointAddress,
+ pipe->inst->address,
+ pipe->ep.bmAttributes,
+ pipe->ep.wMaxPacketSize,
+ USB_PRTSPD_FULL_SPEED);
+ /* set data0 pid token*/
+ if (p_usbfs_instance->p_otg_core->host.hch[pipe->pipe_index].dir)
+ {
+ p_usbfs_instance->p_otg_core->host.hch[pipe->pipe_index].toggle_in = 0;
+ }
+ else
+ {
+ p_usbfs_instance->p_otg_core->host.hch[pipe->pipe_index].toggle_out = 0;
+ }
+ return RT_EOK;
+}
+
+static rt_err_t drv_close_pipe(upipe_t pipe)
+{
+ usb_hch_halt((&p_usbfs_instance->p_otg_core->host)->usb_reg, pipe->pipe_index);
+ drv_free_pipe_index(pipe->pipe_index);
+ return RT_EOK;
+}
+
+static struct uhcd_ops _uhcd_ops =
+{
+ drv_reset_port,
+ drv_pipe_xfer,
+ drv_open_pipe,
+ drv_close_pipe,
+};
+
+static rt_err_t at32_hcd_init(rt_device_t device)
+{
+ /* usb gpio config */
+ at32_msp_usb_init(device);
+
+ /* enable otgfs irq */
+ nvic_irq_enable(p_usbfs_instance->irqn, 2, 0);
+
+ /* init usb */
+ usbh_init(p_usbfs_instance->p_otg_core,
+ USB_FULL_SPEED_CORE_ID,
+ p_usbfs_instance->id);
+ return RT_EOK;
+}
+
+int at32_usbh_register(void)
+{
+ rt_size_t obj_num;
+ rt_err_t result = 0;
+ int index;
+
+ obj_num = sizeof(usbfsh_config) / sizeof(struct at32_usbfs);
+
+ for (index = 0; index < obj_num; index++) {
+ uhcd_t uhcd = (uhcd_t)rt_malloc(sizeof(struct uhcd));
+ if (uhcd == RT_NULL)
+ {
+ rt_kprintf("uhcd malloc failed\r\n");
+ return -RT_ERROR;
+ }
+ rt_memset((void *)uhcd, 0, sizeof(struct uhcd));
+
+ otg_core_type *p_otg_core = (otg_core_type *)rt_malloc(sizeof(otg_core_type));
+ if (p_otg_core == RT_NULL)
+ {
+ rt_kprintf("otg_core malloc failed\r\n");
+ return -RT_ERROR;
+ }
+ rt_memset((void *)p_otg_core, 0, sizeof(otg_core_type));
+
+ uhcd->parent.type = RT_Device_Class_USBHost;
+ uhcd->parent.init = at32_hcd_init;
+ uhcd->parent.user_data = &(p_otg_core->host);
+
+ uhcd->ops = &_uhcd_ops;
+ uhcd->num_ports = 1;
+ p_otg_core->host.pdata = uhcd;
+ usbfsh_config[index].p_otg_core = p_otg_core;
+
+ result = rt_device_register(&uhcd->parent, usbfsh_config[index].name, RT_DEVICE_FLAG_DEACTIVATE);
+ RT_ASSERT(result == RT_EOK);
+
+ p_usbfs_instance = &usbfsh_config[index];
+
+ result = rt_usb_host_init(usbfsh_config[index].name);
+ RT_ASSERT(result == RT_EOK);
+ }
+
+ return result;
+}
+
+INIT_DEVICE_EXPORT(at32_usbh_register);
+
+#endif
diff --git a/bsp/at32/libraries/usbd_library/SConscript b/bsp/at32/libraries/usbd_library/SConscript
new file mode 100644
index 0000000000..bf07a30a9e
--- /dev/null
+++ b/bsp/at32/libraries/usbd_library/SConscript
@@ -0,0 +1,19 @@
+import rtconfig
+from building import *
+
+# get current directory
+cwd = GetCurrentDir()
+
+# add the general drivers.
+src = Split("""
+""")
+
+# The set of source files associated with this SConscript file.
+if GetDepend('RT_USING_USB_DEVICE'):
+ src += ['src/usbd_core.c', 'src/usbd_int.c', 'src/usbd_sdr.c']
+
+CPPPATH = [cwd + '/inc']
+
+group = DefineGroup('usbd_library', src, depend = [''], CPPPATH = CPPPATH)
+
+Return('group')
diff --git a/bsp/at32/libraries/usbd_library/inc/usb_std.h b/bsp/at32/libraries/usbd_library/inc/usb_std.h
new file mode 100644
index 0000000000..6f5f2983db
--- /dev/null
+++ b/bsp/at32/libraries/usbd_library/inc/usb_std.h
@@ -0,0 +1,376 @@
+/**
+ **************************************************************************
+ * @file usb_std.h
+ * @brief usb standard header file
+ **************************************************************************
+ * Copyright notice & Disclaimer
+ *
+ * The software Board Support Package (BSP) that is made available to
+ * download from Artery official website is the copyrighted work of Artery.
+ * Artery authorizes customers to use, copy, and distribute the BSP
+ * software and its related documentation for the purpose of design and
+ * development in conjunction with Artery microcontrollers. Use of the
+ * software is governed by this copyright notice and the following disclaimer.
+ *
+ * THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
+ * GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
+ * TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
+ * STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
+ * INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
+ *
+ **************************************************************************
+ */
+
+/* define to prevent recursive inclusion -------------------------------------*/
+#ifndef __USB_STD_H
+#define __USB_STD_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* includes ------------------------------------------------------------------*/
+#include "drv_config.h"
+
+/** @addtogroup USB_standard
+ * @{
+ */
+
+/** @defgroup USB_standard_define
+ * @{
+ */
+
+/**
+ * @brief usb request recipient
+ */
+#define USB_REQ_RECIPIENT_DEVICE 0x00 /*!< usb request recipient device */
+#define USB_REQ_RECIPIENT_INTERFACE 0x01 /*!< usb request recipient interface */
+#define USB_REQ_RECIPIENT_ENDPOINT 0x02 /*!< usb request recipient endpoint */
+#define USB_REQ_RECIPIENT_OTHER 0x03 /*!< usb request recipient other */
+#define USB_REQ_RECIPIENT_MASK 0x1F /*!< usb request recipient mask */
+
+/**
+ * @brief usb request type
+ */
+#define USB_REQ_TYPE_STANDARD 0x00 /*!< usb request type standard */
+#define USB_REQ_TYPE_CLASS 0x20 /*!< usb request type class */
+#define USB_REQ_TYPE_VENDOR 0x40 /*!< usb request type vendor */
+#define USB_REQ_TYPE_RESERVED 0x60 /*!< usb request type reserved */
+
+/**
+ * @brief usb request data transfer direction
+ */
+#define USB_REQ_DIR_HTD 0x00 /*!< usb request data transfer direction host to device */
+#define USB_REQ_DIR_DTH 0x80 /*!< usb request data transfer direction device to host */
+
+/**
+ * @brief usb standard device requests codes
+ */
+#define USB_STD_REQ_GET_STATUS 0 /*!< usb request code status */
+#define USB_STD_REQ_CLEAR_FEATURE 1 /*!< usb request code clear feature */
+#define USB_STD_REQ_SET_FEATURE 3 /*!< usb request code feature */
+#define USB_STD_REQ_SET_ADDRESS 5 /*!< usb request code address */
+#define USB_STD_REQ_GET_DESCRIPTOR 6 /*!< usb request code get descriptor */
+#define USB_STD_REQ_SET_DESCRIPTOR 7 /*!< usb request code set descriptor */
+#define USB_STD_REQ_GET_CONFIGURATION 8 /*!< usb request code get configuration */
+#define USB_STD_REQ_SET_CONFIGURATION 9 /*!< usb request code set configuration */
+#define USB_STD_REQ_GET_INTERFACE 10 /*!< usb request code get interface */
+#define USB_STD_REQ_SET_INTERFACE 11 /*!< usb request code set interface */
+#define USB_STD_REQ_SYNCH_FRAME 12 /*!< usb request code synch frame */
+
+/**
+ * @brief usb standard device type
+ */
+#define USB_DESCIPTOR_TYPE_DEVICE 1 /*!< usb standard device type device */
+#define USB_DESCIPTOR_TYPE_CONFIGURATION 2 /*!< usb standard device type configuration */
+#define USB_DESCIPTOR_TYPE_STRING 3 /*!< usb standard device type string */
+#define USB_DESCIPTOR_TYPE_INTERFACE 4 /*!< usb standard device type interface */
+#define USB_DESCIPTOR_TYPE_ENDPOINT 5 /*!< usb standard device type endpoint */
+#define USB_DESCIPTOR_TYPE_DEVICE_QUALIFIER 6 /*!< usb standard device type qualifier */
+#define USB_DESCIPTOR_TYPE_OTHER_SPEED 7 /*!< usb standard device type other speed */
+#define USB_DESCIPTOR_TYPE_INTERFACE_POWER 8 /*!< usb standard device type interface power */
+
+/**
+ * @brief usb standard string type
+ */
+#define USB_LANGID_STRING 0 /*!< usb standard string type lang id */
+#define USB_MFC_STRING 1 /*!< usb standard string type mfc */
+#define USB_PRODUCT_STRING 2 /*!< usb standard string type product */
+#define USB_SERIAL_STRING 3 /*!< usb standard string type serial */
+#define USB_CONFIG_STRING 4 /*!< usb standard string type config */
+#define USB_INTERFACE_STRING 5 /*!< usb standard string type interface */
+
+/**
+ * @brief usb configuration attributes
+ */
+#define USB_CONF_REMOTE_WAKEUP 2 /*!< usb configuration attributes remote wakeup */
+#define USB_CONF_SELF_POWERED 1 /*!< usb configuration attributes self powered */
+
+/**
+ * @brief usb standard feature selectors
+ */
+#define USB_FEATURE_EPT_HALT 0 /*!< usb standard feature selectors endpoint halt */
+#define USB_FEATURE_REMOTE_WAKEUP 1 /*!< usb standard feature selectors remote wakeup */
+//#define USB_FEATURE_TEST_MODE 2 /*!< usb standard feature selectors test mode */
+
+/**
+ * @brief usb device connect state
+ */
+typedef enum
+{
+ USB_CONN_STATE_DEFAULT =1, /*!< usb device connect state default */
+ USB_CONN_STATE_ADDRESSED, /*!< usb device connect state address */
+ USB_CONN_STATE_CONFIGURED, /*!< usb device connect state configured */
+ USB_CONN_STATE_SUSPENDED /*!< usb device connect state suspend */
+}usbd_conn_state;
+
+/**
+ * @brief endpoint 0 state
+ */
+#define USB_EPT0_IDLE 0 /*!< usb endpoint state idle */
+#define USB_EPT0_SETUP 1 /*!< usb endpoint state setup */
+#define USB_EPT0_DATA_IN 2 /*!< usb endpoint state data in */
+#define USB_EPT0_DATA_OUT 3 /*!< usb endpoint state data out */
+#define USB_EPT0_STATUS_IN 4 /*!< usb endpoint state status in */
+#define USB_EPT0_STATUS_OUT 5 /*!< usb endpoint state status out */
+#define USB_EPT0_STALL 6 /*!< usb endpoint state stall */
+
+/**
+ * @brief usb descriptor length
+ */
+#define USB_DEVICE_QUALIFIER_DESC_LEN 0x0A /*!< usb qualifier descriptor length */
+#define USB_DEVICE_DESC_LEN 0x12 /*!< usb device descriptor length */
+#define USB_DEVICE_CFG_DESC_LEN 0x09 /*!< usb configuration descriptor length */
+#define USB_DEVICE_IF_DESC_LEN 0x09 /*!< usb interface descriptor length */
+#define USB_DEVICE_EPT_LEN 0x07 /*!< usb endpoint descriptor length */
+#define USB_DEVICE_OTG_DESC_LEN 0x03 /*!< usb otg descriptor length */
+#define USB_DEVICE_LANGID_STR_DESC_LEN 0x04 /*!< usb lang id string descriptor length */
+#define USB_DEVICE_OTHER_SPEED_DESC_SIZ_LEN 0x09 /*!< usb other speed descriptor length */
+
+/**
+ * @brief usb class code
+ */
+#define USB_CLASS_CODE_AUDIO 0x01 /*!< usb class code audio */
+#define USB_CLASS_CODE_CDC 0x02 /*!< usb class code cdc */
+#define USB_CLASS_CODE_HID 0x03 /*!< usb class code hid */
+#define USB_CLASS_CODE_PRINTER 0x07 /*!< usb class code printer */
+#define USB_CLASS_CODE_MSC 0x08 /*!< usb class code msc */
+#define USB_CLASS_CODE_HUB 0x09 /*!< usb class code hub */
+#define USB_CLASS_CODE_CDCDATA 0x0A /*!< usb class code cdc data */
+#define USB_CLASS_CODE_CCID 0x0B /*!< usb class code ccid */
+#define USB_CLASS_CODE_VIDEO 0x0E /*!< usb class code video */
+#define USB_CLASS_CODE_VENDOR 0xFF /*!< usb class code vendor */
+
+/**
+ * @brief usb endpoint type
+ */
+#define USB_EPT_DESC_CONTROL 0x00 /*!< usb endpoint description type control */
+#define USB_EPT_DESC_ISO 0x01 /*!< usb endpoint description type iso */
+#define USB_EPT_DESC_BULK 0x02 /*!< usb endpoint description type bulk */
+#define USB_EPT_DESC_INTERRUPT 0x03 /*!< usb endpoint description type interrupt */
+
+#define USB_EPT_DESC_NSYNC 0x00 /*!< usb endpoint description nsync */
+#define USB_ETP_DESC_ASYNC 0x04 /*!< usb endpoint description async */
+#define USB_ETP_DESC_ADAPTIVE 0x08 /*!< usb endpoint description adaptive */
+#define USB_ETP_DESC_SYNC 0x0C /*!< usb endpoint description sync */
+
+#define USB_EPT_DESC_DATA_EPT 0x00 /*!< usb endpoint description data */
+#define USB_EPT_DESC_FD_EPT 0x10 /*!< usb endpoint description fd */
+#define USB_EPT_DESC_FDDATA_EPT 0x20 /*!< usb endpoint description fddata */
+
+/**
+ * @brief usb cdc class descriptor define
+ */
+#define USBD_CDC_CS_INTERFACE 0x24
+#define USBD_CDC_CS_ENDPOINT 0x25
+
+/**
+ * @brief usb cdc class sub-type define
+ */
+#define USBD_CDC_SUBTYPE_HEADER 0x00
+#define USBD_CDC_SUBTYPE_CMF 0x01
+#define USBD_CDC_SUBTYPE_ACM 0x02
+#define USBD_CDC_SUBTYPE_UFD 0x06
+
+/**
+ * @brief usb cdc class request code define
+ */
+#define SET_LINE_CODING 0x20
+#define GET_LINE_CODING 0x21
+
+/**
+ * @brief usb cdc class set line coding struct
+ */
+typedef struct
+{
+ uint32_t bitrate; /* line coding baud rate */
+ uint8_t format; /* line coding foramt */
+ uint8_t parity; /* line coding parity */
+ uint8_t data; /* line coding data bit */
+}linecoding_type;
+
+/**
+ * @brief usb hid class descriptor define
+ */
+#define HID_CLASS_DESC_HID 0x21
+#define HID_CLASS_DESC_REPORT 0x22
+#define HID_CLASS_DESC_PHYSICAL 0x23
+
+/**
+ * @brief usb hid class request code define
+ */
+#define HID_REQ_SET_PROTOCOL 0x0B
+#define HID_REQ_GET_PROTOCOL 0x03
+#define HID_REQ_SET_IDLE 0x0A
+#define HID_REQ_GET_IDLE 0x02
+#define HID_REQ_SET_REPORT 0x09
+#define HID_REQ_GET_REPORT 0x01
+#define HID_DESCRIPTOR_TYPE 0x21
+#define HID_REPORT_DESC 0x22
+
+/**
+ * @brief endpoint 0 max size
+ */
+#define USB_MAX_EP0_SIZE 64 /*!< usb endpoint 0 max size */
+
+/**
+ * @brief usb swap address
+ */
+#define SWAPBYTE(addr) (uint16_t)(((uint16_t)(*((uint8_t *)(addr)))) + \
+ (((uint16_t)(*(((uint8_t *)(addr)) + 1))) << 8)) /*!< swap address */
+
+/**
+ * @brief low byte and high byte define
+ */
+#define LBYTE(x) ((uint8_t)(x & 0x00FF)) /*!< low byte define */
+#define HBYTE(x) ((uint8_t)((x & 0xFF00) >>8)) /*!< high byte define*/
+
+/**
+ * @}
+ */
+
+/** @defgroup USB_standard_exported_types
+ * @{
+ */
+
+/**
+ * @brief usb return status
+ */
+typedef enum
+{
+ USB_OK, /*!< usb status ok */
+ USB_FAIL, /*!< usb status fail */
+ USB_WAIT, /*!< usb status wait */
+ USB_NOT_SUPPORT, /*!< usb status not support */
+ USB_ERROR, /*!< usb status error */
+}usb_sts_type;
+
+/**
+ * @brief format of usb setup data
+ */
+typedef struct
+{
+ uint8_t bmRequestType; /*!< characteristics of request */
+ uint8_t bRequest; /*!< specific request */
+ uint16_t wValue; /*!< word-sized field that varies according to request */
+ uint16_t wIndex; /*!< word-sized field that varies according to request
+ typically used to pass an index or offset */
+ uint16_t wLength; /*!< number of bytes to transfer if there is a data stage */
+}usb_setup_type;
+
+/**
+ * @brief format of standard device descriptor
+ */
+typedef struct
+{
+ uint8_t bLength; /*!< size of this descriptor in bytes */
+ uint8_t bDescriptorType; /*!< device descriptor type */
+ uint16_t bcdUSB; /*!< usb specification release number */
+ uint8_t bDeviceClass; /*!< class code (assigned by the usb-if) */
+ uint8_t bDeviceSubClass; /*!< subclass code (assigned by the usb-if) */
+ uint8_t bDeviceProtocol; /*!< protocol code ((assigned by the usb-if)) */
+ uint8_t bMaxPacketSize0; /*!< maximum packet size for endpoint zero */
+ uint16_t idVendor; /*!< verndor id ((assigned by the usb-if)) */
+ uint16_t idProduct; /*!< product id ((assigned by the usb-if)) */
+ uint16_t bcdDevice; /*!< device release number in binary-coded decimal */
+ uint8_t iManufacturer; /*!< index of string descriptor describing manufacturer */
+ uint8_t iProduct; /*!< index of string descriptor describing product */
+ uint8_t iSerialNumber; /*!< index of string descriptor describing serial number */
+ uint8_t bNumConfigurations; /*!< number of possible configurations */
+}usb_device_desc_type;
+
+/**
+ * @brief format of standard configuration descriptor
+ */
+typedef struct
+{
+ uint8_t bLength; /*!< size of this descriptor in bytes */
+ uint8_t bDescriptorType; /*!< configuration descriptor type */
+ uint16_t wTotalLength; /*!< total length of data returned for this configuration */
+ uint8_t bNumInterfaces; /*!< number of interfaces supported by this configuration */
+ uint8_t bConfigurationValue; /*!< value to use as an argument to the SetConfiguration() request */
+ uint8_t iConfiguration; /*!< index of string descriptor describing this configuration */
+ uint8_t bmAttributes; /*!< configuration characteristics
+ D7 reserved
+ D6 self-powered
+ D5 remote wakeup
+ D4~D0 reserved */
+ uint8_t bMaxPower; /*!< maximum power consumption of the usb device from the bus */
+
+
+}usb_configuration_desc_type;
+
+/**
+ * @brief format of standard interface descriptor
+ */
+typedef struct
+{
+ uint8_t bLength; /*!< size of this descriptor in bytes */
+ uint8_t bDescriptorType; /*!< interface descriptor type */
+ uint8_t bInterfaceNumber; /*!< number of this interface */
+ uint8_t bAlternateSetting; /*!< value used to select this alternate setting for the interface */
+ uint8_t bNumEndpoints; /*!< number of endpoints used by this interface */
+ uint8_t bInterfaceClass; /*!< class code (assigned by the usb-if) */
+ uint8_t bInterfaceSubClass; /*!< subclass code (assigned by the usb-if) */
+ uint8_t bInterfaceProtocol; /*!< protocol code (assigned by the usb-if) */
+ uint8_t iInterface; /*!< index of string descriptor describing this interface */
+}usb_interface_desc_type;
+
+/**
+ * @brief format of standard endpoint descriptor
+ */
+typedef struct
+{
+ uint8_t bLength; /*!< size of this descriptor in bytes */
+ uint8_t bDescriptorType; /*!< endpoint descriptor type */
+ uint8_t bEndpointAddress; /*!< the address of the endpoint on the usb device described by this descriptor */
+ uint8_t bmAttributes; /*!< describes the endpoints attributes when it is configured using bConfiguration value */
+ uint16_t wMaxPacketSize; /*!< maximum packet size this endpoint */
+ uint8_t bInterval; /*!< interval for polling endpoint for data transfers */
+}usb_endpoint_desc_type;
+
+/**
+ * @brief format of header
+ */
+typedef struct
+{
+ uint8_t bLength; /*!< size of this descriptor in bytes */
+ uint8_t bDescriptorType; /*!< descriptor type */
+}usb_header_desc_type;
+
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
diff --git a/bsp/at32/libraries/usbd_library/inc/usbd_core.h b/bsp/at32/libraries/usbd_library/inc/usbd_core.h
new file mode 100644
index 0000000000..ba479f8078
--- /dev/null
+++ b/bsp/at32/libraries/usbd_library/inc/usbd_core.h
@@ -0,0 +1,181 @@
+/**
+ **************************************************************************
+ * @file usbd_core.h
+ * @brief usb device core header file
+ **************************************************************************
+ * Copyright notice & Disclaimer
+ *
+ * The software Board Support Package (BSP) that is made available to
+ * download from Artery official website is the copyrighted work of Artery.
+ * Artery authorizes customers to use, copy, and distribute the BSP
+ * software and its related documentation for the purpose of design and
+ * development in conjunction with Artery microcontrollers. Use of the
+ * software is governed by this copyright notice and the following disclaimer.
+ *
+ * THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
+ * GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
+ * TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
+ * STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
+ * INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
+ *
+ **************************************************************************
+ */
+
+/* define to prevent recursive inclusion -------------------------------------*/
+#ifndef __USBD_CORE_H
+#define __USBD_CORE_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "usb_std.h"
+
+/** @addtogroup USBD_drivers_core
+ * @{
+ */
+
+/** @defgroup USBD_core_exported_types
+ * @{
+ */
+
+/**
+ * @brief usb device event
+ */
+typedef enum
+{
+ USBD_NOP_EVENT, /*!< usb device event nop */
+ USBD_RESET_EVENT, /*!< usb device event reset */
+ USBD_SUSPEND_EVENT, /*!< usb device event suspend */
+ USBD_WAKEUP_EVENT, /*!< usb device event wakeup */
+ USBD_ERR_EVENT /*!< usb device event error */
+}usbd_event_type;
+
+/**
+ * @brief usb device descriptor struct
+ */
+typedef struct
+{
+ uint16_t length; /*!< descriptor length */
+ uint8_t *descriptor; /*!< descriptor string */
+}usbd_desc_t;
+
+/**
+ * @brief usb device descriptor handler
+ */
+typedef struct
+{
+ usbd_desc_t *(*get_device_descriptor)(void); /*!< get device descriptor callback */
+ usbd_desc_t *(*get_device_qualifier)(void); /*!< get device qualifier callback */
+ usbd_desc_t *(*get_device_configuration)(void); /*!< get device configuration callback */
+ usbd_desc_t *(*get_device_other_speed)(void); /*!< get device other speed callback */
+ usbd_desc_t *(*get_device_lang_id)(void); /*!< get device lang id callback */
+ usbd_desc_t *(*get_device_manufacturer_string)(void); /*!< get device manufacturer callback */
+ usbd_desc_t *(*get_device_product_string)(void); /*!< get device product callback */
+ usbd_desc_t *(*get_device_serial_string)(void); /*!< get device serial callback */
+ usbd_desc_t *(*get_device_interface_string)(void); /*!< get device interface string callback */
+ usbd_desc_t *(*get_device_config_string)(void); /*!< get device device config callback */
+}usbd_desc_handler;
+
+/**
+ * @brief usb device class handler
+ */
+typedef struct
+{
+ usb_sts_type (*init_handler)(void *udev); /*!< usb class init handler */
+ usb_sts_type (*clear_handler)(void *udev); /*!< usb class clear handler */
+ usb_sts_type (*setup_handler)(void *udev, usb_setup_type *setup); /*!< usb class setup handler */
+ usb_sts_type (*ept0_tx_handler)(void *udev); /*!< usb class endpoint 0 tx complete handler */
+ usb_sts_type (*ept0_rx_handler)(void *udev); /*!< usb class endpoint 0 rx complete handler */
+ usb_sts_type (*in_handler)(void *udev, uint8_t ept_num); /*!< usb class in transfer complete handler */
+ usb_sts_type (*out_handler)(void *udev, uint8_t ept_num); /*!< usb class out transfer complete handler */
+ usb_sts_type (*sof_handler)(void *udev); /*!< usb class sof handler */
+ usb_sts_type (*event_handler)(void *udev, usbd_event_type event); /*!< usb class event handler */
+ void *pdata; /*!< usb class data pointer */
+}usbd_class_handler;
+
+/**
+ * @brief usb device core struct type
+ */
+typedef struct
+{
+ usb_reg_type *usb_reg; /*!< usb register pointer */
+
+ usbd_class_handler *class_handler; /*!< usb device class handler pointer */
+ usbd_desc_handler *desc_handler; /*!< usb device descriptor handler pointer */
+
+ usb_ept_info ept_in[USB_EPT_MAX_NUM]; /*!< usb in endpoint infomation struct */
+ usb_ept_info ept_out[USB_EPT_MAX_NUM]; /*!< usb out endpoint infomation struct */
+
+ usb_setup_type setup; /*!< usb setup type struct */
+ uint8_t setup_buffer[12]; /*!< usb setup request buffer */
+
+ uint8_t ept0_sts; /*!< usb control endpoint 0 state */
+ uint8_t speed; /*!< usb speed */
+ uint16_t ept0_wlength; /*!< usb endpoint 0 transfer length */
+
+ usbd_conn_state conn_state; /*!< usb current connect state */
+ usbd_conn_state old_conn_state; /*!< usb save the previous connect state */
+
+ uint8_t device_addr; /*!< device address */
+ uint8_t remote_wakup; /*!< remote wakeup state */
+ uint8_t default_config; /*!< usb default config state */
+ uint8_t dev_config; /*!< usb device config state */
+ uint16_t config_status; /*!< usb configure status */
+
+ void *pdata;
+}usbd_core_type;
+
+/**
+ * @}
+ */
+
+/** @defgroup USBD_core_exported_functions
+ * @{
+ */
+void usbd_core_in_handler(usbd_core_type *udev, uint8_t ept_num);
+void usbd_core_out_handler(usbd_core_type *udev, uint8_t ept_num);
+void usbd_core_setup_handler(usbd_core_type *udev, uint8_t ept_num);
+void usbd_ctrl_unsupport(usbd_core_type *udev);
+void usbd_ctrl_send(usbd_core_type *udev, uint8_t *buffer, uint16_t len);
+void usbd_ctrl_recv(usbd_core_type *udev, uint8_t *buffer, uint16_t len);
+void usbd_ctrl_send_status(usbd_core_type *udev);
+void usbd_ctrl_recv_status(usbd_core_type *udev);
+void usbd_set_stall(usbd_core_type *udev, uint8_t ept_addr);
+void usbd_clear_stall(usbd_core_type *udev, uint8_t ept_addr);
+void usbd_ept_open(usbd_core_type *udev, uint8_t ept_addr, uint8_t ept_type, uint16_t maxpacket);
+void usbd_ept_close(usbd_core_type *udev, uint8_t ept_addr);
+void usbd_ept_send(usbd_core_type *udev, uint8_t ept_num, uint8_t *buffer, uint16_t len);
+void usbd_ept_recv(usbd_core_type *udev, uint8_t ept_num, uint8_t *buffer, uint16_t len);
+void usbd_connect(usbd_core_type *udev);
+void usbd_disconnect(usbd_core_type *udev);
+void usbd_set_device_addr(usbd_core_type *udev, uint8_t address);
+uint32_t usbd_get_recv_len(usbd_core_type *udev, uint8_t ept_addr);
+usbd_conn_state usbd_connect_state_get(usbd_core_type *udev);
+void usbd_ept_dbuffer_enable(usbd_core_type *udev, uint8_t ept_addr);
+void usbd_ept_buf_auto_define(usb_ept_info *ept_info);
+void usbd_ept_buf_custom_define( usbd_core_type *udev, uint8_t ept_addr,
+ uint32_t addr);
+void usbd_ept_defaut_init(usbd_core_type *udev);
+void usbd_remote_wakeup(usbd_core_type *udev);
+void usbd_enter_suspend(usbd_core_type *udev);
+void usbd_core_init(usbd_core_type *udev,
+ usb_reg_type *usb_reg,
+ uint8_t core_id);
+
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
diff --git a/bsp/at32/libraries/usbd_library/inc/usbd_int.h b/bsp/at32/libraries/usbd_library/inc/usbd_int.h
new file mode 100644
index 0000000000..6723db625a
--- /dev/null
+++ b/bsp/at32/libraries/usbd_library/inc/usbd_int.h
@@ -0,0 +1,72 @@
+/**
+ **************************************************************************
+ * @file usb_int.h
+ * @brief usb header file
+ **************************************************************************
+ * Copyright notice & Disclaimer
+ *
+ * The software Board Support Package (BSP) that is made available to
+ * download from Artery official website is the copyrighted work of Artery.
+ * Artery authorizes customers to use, copy, and distribute the BSP
+ * software and its related documentation for the purpose of design and
+ * development in conjunction with Artery microcontrollers. Use of the
+ * software is governed by this copyright notice and the following disclaimer.
+ *
+ * THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
+ * GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
+ * TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
+ * STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
+ * INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
+ *
+ **************************************************************************
+ */
+
+/* define to prevent recursive inclusion -------------------------------------*/
+#ifndef __USB_INT_H
+#define __USB_INT_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* includes ------------------------------------------------------------------*/
+#include "usbd_core.h"
+
+/** @addtogroup USBD_drivers_interrupt
+ * @{
+ */
+
+/** @defgroup USBD_int_exported_functions
+ * @{
+ */
+void usbd_irq_handler(usbd_core_type *udev);
+void usbd_ept_loop_handler(usbd_core_type *udev);
+void usbd_eptn_handler(usbd_core_type *udev, usb_ept_number_type ept_num);
+void usbd_reset_handler(usbd_core_type *udev);
+void usbd_sof_handler(usbd_core_type *udev);
+void usbd_suspend_handler(usbd_core_type *udev);
+void usbd_wakeup_handler(usbd_core_type *udev);
+
+/* callback for rt-thread */
+void usbd_reset_callback(usbd_core_type *udev);
+void usbd_setup_phase_done_callback(usbd_core_type *udev);
+void usbd_data_in_stage_callback(usbd_core_type *udev, uint32_t ept_num);
+void usbd_sof_callback(usbd_core_type *udev);
+void usbd_data_out_stage_callback(usbd_core_type *udev, uint32_t ept_num);
+void usbd_connectCallback(usbd_core_type *udev);
+void usbd_disconnectCallback(usbd_core_type *udev);
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+#ifdef __cplusplus
+}
+#endif
+#endif
+
diff --git a/bsp/at32/libraries/usbd_library/inc/usbd_sdr.h b/bsp/at32/libraries/usbd_library/inc/usbd_sdr.h
new file mode 100644
index 0000000000..d5d588a327
--- /dev/null
+++ b/bsp/at32/libraries/usbd_library/inc/usbd_sdr.h
@@ -0,0 +1,63 @@
+/**
+ **************************************************************************
+ * @file usbd_sdr.h
+ * @brief usb standard request header file
+ **************************************************************************
+ * Copyright notice & Disclaimer
+ *
+ * The software Board Support Package (BSP) that is made available to
+ * download from Artery official website is the copyrighted work of Artery.
+ * Artery authorizes customers to use, copy, and distribute the BSP
+ * software and its related documentation for the purpose of design and
+ * development in conjunction with Artery microcontrollers. Use of the
+ * software is governed by this copyright notice and the following disclaimer.
+ *
+ * THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
+ * GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
+ * TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
+ * STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
+ * INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
+ *
+ **************************************************************************
+ */
+
+/* define to prevent recursive inclusion -------------------------------------*/
+#ifndef __USBD_SDR_H
+#define __USBD_SDR_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* includes ------------------------------------------------------------------*/
+#include "usbd_core.h"
+
+/** @addtogroup USBD_drivers_standard_request
+ * @{
+ */
+
+/** @defgroup USBD_sdr_exported_functions
+ * @{
+ */
+
+void usbd_setup_request_parse(usb_setup_type *setup, uint8_t *buf);
+usb_sts_type usbd_device_request(usbd_core_type *udev);
+usb_sts_type usbd_interface_request(usbd_core_type *udev);
+usb_sts_type usbd_endpoint_request(usbd_core_type *udev);
+
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
diff --git a/bsp/at32/libraries/usbd_library/src/usbd_core.c b/bsp/at32/libraries/usbd_library/src/usbd_core.c
new file mode 100644
index 0000000000..b6bd0ca9c4
--- /dev/null
+++ b/bsp/at32/libraries/usbd_library/src/usbd_core.c
@@ -0,0 +1,689 @@
+/**
+ **************************************************************************
+ * @file usbd_core.c
+ * @brief usb driver
+ **************************************************************************
+ * Copyright notice & Disclaimer
+ *
+ * The software Board Support Package (BSP) that is made available to
+ * download from Artery official website is the copyrighted work of Artery.
+ * Artery authorizes customers to use, copy, and distribute the BSP
+ * software and its related documentation for the purpose of design and
+ * development in conjunction with Artery microcontrollers. Use of the
+ * software is governed by this copyright notice and the following disclaimer.
+ *
+ * THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
+ * GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
+ * TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
+ * STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
+ * INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
+ *
+ **************************************************************************
+ */
+
+#include "usbd_core.h"
+#include "usbd_sdr.h"
+#include "usbd_int.h"
+
+/** @defgroup USBD_drivers_core
+ * @brief usb device drivers core
+ * @{
+ */
+
+/** @defgroup USBD_core_private_functions
+ * @{
+ */
+
+/**
+ * @brief usb core in transfer complete handler
+ * @param udev: to the structure of usbd_core_type
+ * @param ept_addr: endpoint number
+ * @retval none
+ */
+void usbd_core_in_handler(usbd_core_type *udev, uint8_t ept_addr)
+{
+ /* get endpoint info*/
+ usb_ept_info *ept_info = &udev->ept_in[ept_addr & 0x7F];
+
+ if(ept_addr == 0)
+ {
+ if(udev->ept0_sts == USB_EPT0_DATA_IN)
+ {
+ if(ept_info->rem0_len > ept_info->maxpacket)
+ {
+ ept_info->rem0_len -= ept_info->maxpacket;
+ usbd_ept_send(udev, 0, ept_info->trans_buf,
+ MIN(ept_info->rem0_len, ept_info->maxpacket));
+ }
+ /* endpoint 0 */
+ else if(ept_info->last_len == ept_info->maxpacket
+ && ept_info->ept0_slen >= ept_info->maxpacket
+ && ept_info->ept0_slen < udev->ept0_wlength)
+ {
+ ept_info->last_len = 0;
+ usbd_ept_send(udev, 0, 0, 0);
+ usbd_ept_recv(udev, ept_addr, 0, 0);
+ }
+ else
+ {
+
+ usbd_ctrl_recv_status(udev);
+
+ }
+ usbd_data_in_stage_callback(udev,0);
+ }
+ }
+ else if(udev->class_handler->in_handler != 0 &&
+ udev->conn_state == USB_CONN_STATE_CONFIGURED)
+ {
+ /* other user define endpoint */
+ usbd_data_in_stage_callback(udev,ept_addr);
+ }
+}
+
+/**
+ * @brief usb core out transfer complete handler
+ * @param udev: to the structure of usbd_core_type
+ * @param ept_addr: endpoint number
+ * @retval none
+ */
+void usbd_core_out_handler(usbd_core_type *udev, uint8_t ept_addr)
+{
+ /* get endpoint info*/
+ usb_ept_info *ept_info = &udev->ept_out[ept_addr & 0x7F];
+
+ if(ept_addr == 0)
+ {
+ /* endpoint 0 */
+ if(udev->ept0_sts == USB_EPT0_DATA_OUT)
+ {
+ if(ept_info->rem0_len > ept_info->maxpacket)
+ {
+ ept_info->rem0_len -= ept_info->maxpacket;
+ usbd_ept_recv(udev, ept_addr, ept_info->trans_buf,
+ MIN(ept_info->rem0_len, ept_info->maxpacket));
+ }
+ else
+ {
+ usbd_ctrl_send_status(udev);
+ }
+
+ usbd_data_out_stage_callback(udev, 0);
+ }
+ }
+ else if(udev->class_handler->out_handler != 0 &&
+ udev->conn_state == USB_CONN_STATE_CONFIGURED)
+ {
+ /* other user define endpoint */
+ usbd_data_out_stage_callback(udev, ept_addr);
+ }
+}
+
+/**
+ * @brief usb core setup transfer complete handler
+ * @param udev: to the structure of usbd_core_type
+ * @param ept_addr: endpoint number
+ * @retval none
+ */
+void usbd_core_setup_handler(usbd_core_type *udev, uint8_t ept_num)
+{
+ /* setup parse */
+ usbd_setup_request_parse(&udev->setup, udev->setup_buffer);
+
+ /* set ept0 status */
+ udev->ept0_sts = USB_EPT0_SETUP;
+ udev->ept0_wlength = udev->setup.wLength;
+
+ switch(udev->setup.bmRequestType & USB_REQ_RECIPIENT_MASK)
+ {
+ case USB_REQ_RECIPIENT_DEVICE:
+ /* recipient device request */
+ usbd_device_request(udev);
+ break;
+ case USB_REQ_RECIPIENT_INTERFACE:
+ /* recipient interface request */
+ usbd_interface_request(udev);
+ break;
+ case USB_REQ_RECIPIENT_ENDPOINT:
+ /* recipient endpoint request */
+ usbd_endpoint_request(udev);
+ break;
+ default:
+ break;
+ }
+}
+
+/**
+ * @brief usb control endpoint send data
+ * @param udev: to the structure of usbd_core_type
+ * @param ept_addr: endpoint number
+ * @param buffer: send data buffer
+ * @param len: send data length
+ * @retval none
+ */
+void usbd_ctrl_send(usbd_core_type *udev, uint8_t *buffer, uint16_t len)
+{
+ usb_ept_info *ept_info = &udev->ept_in[0];
+
+ ept_info->ept0_slen = len;
+ ept_info->rem0_len = len;
+ udev->ept0_sts = USB_EPT0_DATA_IN;
+}
+
+/**
+ * @brief usb control endpoint receive data
+ * @param udev: to the structure of usbd_core_type
+ * @param ept_addr: endpoint number
+ * @param buffer: recv data buffer
+ * @param len: recv data length
+ * @retval none
+ */
+void usbd_ctrl_recv(usbd_core_type *udev, uint8_t *buffer, uint16_t len)
+{
+ usb_ept_info *ept_info = &udev->ept_out[0];
+
+ ept_info->ept0_slen = len;
+ ept_info->rem0_len = len;
+ udev->ept0_sts = USB_EPT0_DATA_OUT;
+
+ usbd_ept_recv(udev, 0, buffer, len);
+}
+
+/**
+ * @brief usb control endpoint send in status
+ * @param udev: to the structure of usbd_core_type
+ * @retval none
+ */
+void usbd_ctrl_send_status(usbd_core_type *udev)
+{
+ udev->ept0_sts = USB_EPT0_STATUS_IN;
+
+ usbd_ept_send(udev, 0, 0, 0);
+}
+
+/**
+ * @brief usb control endpoint send out status
+ * @param udev: usb device core handler type
+ * @retval none
+ */
+void usbd_ctrl_recv_status(usbd_core_type *udev)
+{
+ udev->ept0_sts = USB_EPT0_STATUS_OUT;
+
+ usbd_ept_recv(udev, 0, 0, 0);
+}
+
+/**
+ * @brief clear endpoint stall
+ * @param udev: to the structure of usbd_core_type
+ * @param ept_addr: endpoint number
+ * @retval none
+ */
+void usbd_clear_stall(usbd_core_type *udev, uint8_t ept_addr)
+{
+ usb_ept_info *ept_info;
+
+ if(ept_addr & 0x80)
+ {
+ /* in endpoint */
+ ept_info = &udev->ept_in[ept_addr & 0x7F];
+ USB_SET_TXSTS(ept_info->eptn, USB_TX_VALID);
+ }
+ else
+ {
+ /* out endpoint */
+ ept_info = &udev->ept_out[ept_addr & 0x7F];
+ USB_SET_RXSTS(ept_info->eptn, USB_RX_VALID);
+ }
+ ept_info->stall = 0;
+}
+
+/**
+ * @brief usb set endpoint to stall.
+ * @param udev: to the structure of usbd_core_type
+ * @param ept_addr: endpoint number
+ * @retval none
+ */
+void usbd_set_stall(usbd_core_type *udev, uint8_t ept_addr)
+{
+ usb_ept_info *ept_info;
+
+ if(ept_addr & 0x80)
+ {
+ /* in endpoint */
+ ept_info = &udev->ept_in[ept_addr & 0x7F];
+ USB_SET_TXSTS(ept_info->eptn, USB_TX_STALL);
+ }
+ else
+ {
+ /* out endpoint */
+ ept_info = &udev->ept_out[ept_addr & 0x7F];
+ USB_SET_RXSTS(ept_info->eptn, USB_RX_STALL)
+ }
+
+ ept_info->stall = 1;
+}
+
+/**
+ * @brief un-support device request
+ * @param udev: usb device core handler type
+ * @retval none
+ */
+void usbd_ctrl_unsupport(usbd_core_type *udev)
+{
+ /* return stall status */
+ usbd_set_stall(udev, 0x00);
+ usbd_set_stall(udev, 0x80);
+}
+
+/**
+ * @brief usb endpoint send data
+ * @param udev: to the structure of usbd_core_type
+ * @param ept_addr: endpoint number
+ * @param buffer: send data buffer
+ * @param len: send data length
+ * @retval none
+ */
+void usbd_ept_send(usbd_core_type *udev, uint8_t ept_addr, uint8_t *buffer, uint16_t len)
+{
+ /* get endpoint info struct and register */
+ usb_ept_info *ept_info = &udev->ept_in[ept_addr & 0x7F];
+ uint16_t trs_len = 0;
+ usbd_type *usbx = udev->usb_reg;
+
+ /* set send data buffer and length */
+ ept_info->trans_buf = buffer;
+ ept_info->total_len = len;
+ ept_info->trans_len = 0;
+
+ if(ept_info->total_len > ept_info->maxpacket)
+ {
+ trs_len = ept_info->maxpacket;
+ ept_info->total_len -= trs_len;
+ }
+ else
+ {
+ trs_len = len;
+ ept_info->total_len = 0;
+ }
+
+ ept_info->last_len = trs_len;
+
+ if(ept_info->is_double_buffer == 0)
+ {
+ /* write data to endpoint buffer */
+ usb_write_packet(ept_info->trans_buf, ept_info->tx_addr, trs_len);
+
+ /* set send data length */
+ USB_SET_TXLEN((ept_addr & 0x7F), trs_len);
+ }
+ else
+ {
+ if(usbx->ept_bit[ept_addr & 0x7F].txdts)
+ {
+ USB_SET_EPT_DOUBLE_BUF1_LEN((ept_addr & 0x7F), trs_len, DATA_TRANS_IN);
+ usb_write_packet(ept_info->trans_buf, ept_info->rx_addr, trs_len);
+ }
+ else
+ {
+ USB_SET_EPT_DOUBLE_BUF0_LEN((ept_addr & 0x7F), trs_len, DATA_TRANS_IN);
+ usb_write_packet(ept_info->trans_buf, ept_info->tx_addr, trs_len);
+ }
+ USB_FREE_DB_USER_BUFFER((ept_addr & 0x7F), DATA_TRANS_IN);
+ }
+
+ /* set tx status valid */
+ USB_SET_TXSTS((ept_addr & 0x7F), USB_TX_VALID);
+}
+
+/**
+ * @brief usb endpoint receive data
+ * @param udev: to the structure of usbd_core_type
+ * @param ept_addr: endpoint number
+ * @param buffer: receive data buffer
+ * @param len: receive data length
+ * @retval none
+ */
+void usbd_ept_recv(usbd_core_type *udev, uint8_t ept_addr, uint8_t *buffer, uint16_t len)
+{
+ /* get endpoint info struct and register */
+ usb_ept_info *ept_info = &udev->ept_out[ept_addr & 0x7F];
+ uint32_t trs_len = 0;
+
+ /* set receive data buffer and length */
+ ept_info->trans_buf = buffer;
+ ept_info->total_len = len;
+ ept_info->trans_len = 0;
+
+ if(ept_info->total_len > ept_info->maxpacket)
+ {
+ trs_len = ept_info->maxpacket;
+ ept_info->total_len -= trs_len;
+ }
+ else
+ {
+ trs_len = len;
+ ept_info->total_len = 0;
+ }
+
+ /* set rx status valid */
+ USB_SET_RXSTS((ept_addr & 0x7F), USB_RX_VALID);
+}
+
+
+/**
+ * @brief usb endpoint get receive data length
+ * @param udev: to the structure of usbd_core_type
+ * @param ept_addr: endpoint number
+ * @retval none
+ */
+uint32_t usbd_get_recv_len(usbd_core_type *udev, uint8_t ept_addr)
+{
+ usb_ept_info *ept = &udev->ept_out[ept_addr & 0x7F];
+ return ept->trans_len;
+}
+
+/**
+ * @brief enable endpoint double buffer.
+ * @param udev: to the structure of usbd_core_type
+ * @param ept_addr: endpoint number
+ * @retval none
+ */
+void usbd_ept_dbuffer_enable(usbd_core_type *udev, uint8_t ept_addr)
+{
+ usb_ept_info *ept_info;
+ if((ept_addr & 0x80) == 0)
+ {
+ /* out endpoint info */
+ ept_info = &udev->ept_out[ept_addr & 0x7F];
+ }
+ else
+ {
+ /* in endpoint info */
+ ept_info = &udev->ept_in[ept_addr & 0x7F];
+ }
+ ept_info->is_double_buffer = TRUE;
+}
+
+/**
+ * @brief usb auto define endpoint buffer
+ * @param usb_ept_info: endpoint information
+ * @retval none
+ */
+void usbd_ept_buf_auto_define(usb_ept_info *ept_info)
+{
+ if(ept_info->is_double_buffer == 0)
+ {
+ if( ept_info->inout == DATA_TRANS_IN )
+ {
+ if(ept_info->tx_addr == 0)
+ ept_info->tx_addr = usb_buffer_malloc(ept_info->maxpacket);
+ }
+ else
+ {
+ if(ept_info->rx_addr == 0)
+ ept_info->rx_addr = usb_buffer_malloc(ept_info->maxpacket);
+ }
+ }
+ else
+ {
+ /* double buffer auto define */
+ if(ept_info->tx_addr == 0)
+ ept_info->tx_addr = usb_buffer_malloc(ept_info->maxpacket);
+ if(ept_info->rx_addr == 0)
+ ept_info->rx_addr = usb_buffer_malloc(ept_info->maxpacket);
+ }
+}
+
+
+
+/**
+ * @brief usb custom define endpoint buffer
+ * @param udev: to the structure of usbd_core_type
+ * @param ept_addr: endpoint number
+ * @param addr: usb fifo offset address
+ * @retval none
+ */
+void usbd_ept_buf_custom_define(usbd_core_type *udev, uint8_t ept_addr,
+ uint32_t addr)
+{
+ usb_ept_info *ept_info;
+ if((ept_addr & 0x80) == 0)
+ {
+ /* out endpoint info */
+ ept_info = &udev->ept_out[ept_addr & 0x7F];
+ }
+ else
+ {
+ /* in endpoint info */
+ ept_info = &udev->ept_in[ept_addr & 0x7F];
+ }
+
+ if(ept_info->is_double_buffer == 0)
+ {
+ if( ept_info->inout == DATA_TRANS_IN )
+ {
+ ept_info->tx_addr = addr;
+ }
+ else
+ {
+ ept_info->rx_addr = addr;
+ }
+ }
+ else
+ {
+ /* double buffer malloc */
+ ept_info->tx_addr = addr & 0xFFFF;
+ ept_info->rx_addr = (addr >> 16) & 0xFFFF;
+ }
+}
+
+/**
+ * @brief usb open endpoint
+ * @param udev: to the structure of usbd_core_type
+ * @param ept_addr: endpoint number
+ * @param ept_type: endpoint type
+ * @param maxpacket: endpoint support max buffer size
+ * @retval none
+ */
+void usbd_ept_open(usbd_core_type *udev, uint8_t ept_addr, uint8_t ept_type, uint16_t maxpacket)
+{
+ usbd_type *usbx = udev->usb_reg;
+ usb_ept_info *ept_info;
+
+ if((ept_addr & 0x80) == 0)
+ {
+ /* out endpoint info */
+ ept_info = &udev->ept_out[ept_addr & 0x7F];
+ ept_info->inout = DATA_TRANS_OUT;
+ }
+ else
+ {
+ /* in endpoint info */
+ ept_info = &udev->ept_in[ept_addr & 0x7F];
+ ept_info->inout = DATA_TRANS_IN;
+ }
+
+ /* set endpoint maxpacket and type */
+ ept_info->maxpacket = (maxpacket + 1) & 0xFFFE;
+ ept_info->trans_type = ept_type;
+
+#ifdef USB_EPT_AUTO_MALLOC_BUFFER
+ usbd_ept_buf_auto_define(ept_info);
+#endif
+ /* open endpoint */
+ usb_ept_open(usbx, ept_info);
+}
+
+/**
+ * @brief usb close endpoint
+ * @param udev: to the structure of usbd_core_type
+ * @param ept_addr: endpoint number
+ * @retval none
+ */
+void usbd_ept_close(usbd_core_type *udev, uint8_t ept_addr)
+{
+ usb_ept_info *ept_info;
+ if(ept_addr & 0x80)
+ {
+ /* in endpoint */
+ ept_info = &udev->ept_in[ept_addr & 0x7F];
+ }
+ else
+ {
+ /* out endpoint */
+ ept_info = &udev->ept_out[ept_addr & 0x7F];
+ }
+
+ /* close endpoint */
+ usb_ept_close(udev->usb_reg, ept_info);
+}
+
+/**
+ * @brief usb device connect to host
+ * @param udev: to the structure of usbd_core_type
+ * @retval none
+ */
+void usbd_connect(usbd_core_type *udev)
+{
+ usb_connect(udev->usb_reg);
+}
+
+/**
+ * @brief usb device disconnect to host
+ * @param udev: to the structure of usbd_core_type
+ * @retval none
+ */
+void usbd_disconnect(usbd_core_type *udev)
+{
+ usb_disconnect(udev->usb_reg);
+}
+
+/**
+ * @brief usb device set device address.
+ * @param udev: to the structure of usbd_core_type
+ * @param address: host assignment address
+ * @retval none
+ */
+void usbd_set_device_addr(usbd_core_type *udev, uint8_t address)
+{
+ if(address == 0)
+ usb_set_address(udev->usb_reg, address);
+}
+
+/**
+ * @brief get usb connect state
+ * @param udev: to the structure of usbd_core_type
+ * @retval usb connect state
+ */
+usbd_conn_state usbd_connect_state_get(usbd_core_type *udev)
+{
+ return udev->conn_state;
+}
+
+/**
+ * @brief usb device remote wakeup
+ * @param udev: to the structure of usbd_core_type
+ * @retval none
+ */
+void usbd_remote_wakeup(usbd_core_type *udev)
+{
+ /* set connect state */
+ udev->conn_state = udev->old_conn_state;
+
+ usb_exit_suspend(udev->usb_reg);
+
+ usb_remote_wkup_set(udev->usb_reg);
+
+ rt_thread_mdelay(10);
+
+ usb_remote_wkup_clear(udev->usb_reg);
+
+}
+
+/**
+ * @brief usb device enter suspend mode
+ * @param udev: to the structure of usbd_core_type
+ * @retval none
+ */
+void usbd_enter_suspend(usbd_core_type *udev)
+{
+ usb_enter_suspend(udev->usb_reg);
+}
+
+/**
+ * @brief usb endpoint structure initialization
+ * @param udev: to the structure of usbd_core_type
+ * @retval none
+ */
+void usbd_ept_defaut_init(usbd_core_type *udev)
+{
+ uint8_t i_index = 0;
+ /* init in endpoint info structure */
+ for(i_index = 0; i_index < USB_EPT_MAX_NUM; i_index ++)
+ {
+ udev->ept_in[i_index].eptn = i_index;
+ udev->ept_in[i_index].ept_address = i_index;
+ udev->ept_in[i_index].inout = DATA_TRANS_IN;
+ udev->ept_in[i_index].maxpacket = 0;
+ udev->ept_in[i_index].trans_buf = 0;
+ udev->ept_in[i_index].total_len = 0;
+ udev->ept_in[i_index].tx_addr = 0;
+ udev->ept_in[i_index].rx_addr = 0;
+ }
+
+ /* init out endpoint info structure */
+ for(i_index = 0; i_index < USB_EPT_MAX_NUM; i_index ++)
+ {
+ udev->ept_out[i_index].eptn = i_index;
+ udev->ept_out[i_index].ept_address = i_index;
+ udev->ept_out[i_index].inout = DATA_TRANS_OUT;
+ udev->ept_out[i_index].maxpacket = 0;
+ udev->ept_out[i_index].trans_buf = 0;
+ udev->ept_out[i_index].total_len = 0;
+ udev->ept_out[i_index].rx_addr = 0;
+ udev->ept_out[i_index].tx_addr = 0;
+ }
+ return;
+}
+
+/**
+ * @brief initializes the usb core
+ * @param udev: to the structure of usbd_core_type
+ * @param usb_reg: usb register pointer (USB)
+ * @param class_handler: usb class handler
+ * @param desc_handler: device config handler
+ * @param core_id: usb core id number
+ * @retval none
+ */
+void usbd_core_init(usbd_core_type *udev,
+ usb_reg_type *usb_reg,
+ uint8_t core_id)
+{
+ /* set usb register type */
+ udev->usb_reg = usb_reg;
+
+ /* set usb connect state to default */
+ udev->conn_state = USB_CONN_STATE_DEFAULT;
+
+ /* init in endpoint info structure */
+ usbd_ept_defaut_init(udev);
+
+#ifdef USB_BUFFER_SIZE_EX
+ /* usb buffer size extend 768-1280 byte */
+ usb_usbbufs_enable(usb_reg, TRUE);
+#endif
+
+ /*usb register config */
+ usb_dev_init(udev->usb_reg);
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
diff --git a/bsp/at32/libraries/usbd_library/src/usbd_int.c b/bsp/at32/libraries/usbd_library/src/usbd_int.c
new file mode 100644
index 0000000000..4684d576ad
--- /dev/null
+++ b/bsp/at32/libraries/usbd_library/src/usbd_int.c
@@ -0,0 +1,347 @@
+/**
+ **************************************************************************
+ * @file usbd_int.c
+ * @brief usb interrupt request
+ **************************************************************************
+ * Copyright notice & Disclaimer
+ *
+ * The software Board Support Package (BSP) that is made available to
+ * download from Artery official website is the copyrighted work of Artery.
+ * Artery authorizes customers to use, copy, and distribute the BSP
+ * software and its related documentation for the purpose of design and
+ * development in conjunction with Artery microcontrollers. Use of the
+ * software is governed by this copyright notice and the following disclaimer.
+ *
+ * THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
+ * GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
+ * TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
+ * STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
+ * INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
+ *
+ **************************************************************************
+ */
+
+#include "usbd_int.h"
+
+/** @defgroup USBD_drivers_interrupt
+ * @brief usb device interrupt
+ * @{
+ */
+
+/** @defgroup USBD_int_private_functions
+ * @{
+ */
+
+/**
+ * @brief usb device interrput request handler.
+ * @param udev: to the structure of usbd_core_type
+ * @retval none
+ */
+void usbd_irq_handler(usbd_core_type *udev)
+{
+ usbd_type *usbx = udev->usb_reg;
+ uint32_t sts_val = usbx->intsts;
+ uint32_t sts_ien = usbx->ctrl;
+
+ if(sts_val & USB_TC_FLAG)
+ {
+ /* endpoint tc interrupt handler */
+ usbd_ept_loop_handler(udev);
+ }
+
+ if(sts_val & USB_RST_FLAG)
+ {
+ /* clear reset flag */
+ usb_flag_clear(usbx, USB_RST_FLAG);
+
+ /* reset interrupt handler */
+ usbd_reset_handler(udev);
+ }
+
+ if((sts_val & USB_SOF_FLAG) &&
+ (sts_ien & USB_SOF_INT))
+ {
+ /* clear sof flag */
+ usb_flag_clear(usbx, USB_SOF_FLAG);
+
+ /* sof interrupt handler */
+ usbd_sof_callback(udev);
+ }
+
+ if((sts_val & USB_LSOF_FLAG) &&
+ (sts_ien & USB_LSOF_INT))
+ {
+ /* clear lsof flag */
+ usb_flag_clear(usbx, USB_LSOF_FLAG);
+ }
+
+ if((sts_val & USB_SP_FLAG) &&
+ (sts_ien & USB_SP_INT))
+ {
+ /* clear suspend flag */
+ usb_flag_clear(usbx, USB_SP_FLAG);
+
+ /* usb suspend interrupt handler */
+ usbd_suspend_handler(udev);
+ }
+
+ if((sts_val & USB_WK_FLAG) &&
+ (sts_ien & USB_WK_INT))
+ {
+ /* usb wakeup interrupt handler */
+ usbd_wakeup_handler(udev);
+
+ /* clear wakeup flag */
+ usb_flag_clear(usbx, USB_WK_FLAG);
+ }
+}
+
+/**
+ * @brief usb device endpoint request handler.
+ * @param udev: to the structure of usbd_core_type
+ * @param ept_num: endpoint number
+ * @retval none
+ */
+void usbd_eptn_handler(usbd_core_type *udev, usb_ept_number_type ept_num)
+{
+ usbd_type *usbx = udev->usb_reg;
+ usb_ept_info *ept_info;
+ uint32_t ept_val = usbx->ept[ept_num];
+ uint16_t length;
+
+ /* in interrupt request */
+ if(ept_val & USB_TXTC)
+ {
+ /* get endpoint register and in transfer info struct */
+ ept_info = &udev->ept_in[ept_num];
+
+ /* clear endpoint tc flag */
+ USB_CLEAR_TXTC(ept_num);
+
+ /* get endpoint tx length */
+ ept_info->trans_len = USB_GET_TX_LEN(ept_num);
+
+ /* offset the trans buffer */
+ ept_info->trans_buf += ept_info->trans_len;
+
+ if(ept_info->total_len == 0 || ept_num == USB_EPT0)
+ {
+ /* in transfer complete */
+ usbd_data_in_stage_callback(udev,ept_num);
+ }
+ else
+ {
+ /* endpoint continue send data */
+ usbd_ept_send(udev, ept_num, ept_info->trans_buf, ept_info->total_len);
+ }
+ /* set the host assignment address */
+ if(udev->conn_state == USB_CONN_STATE_ADDRESSED && udev->device_addr > 0)
+ {
+ usb_set_address(udev->usb_reg, udev->device_addr);
+ udev->device_addr = 0;
+ }
+ }
+ else
+ {
+ /* setup and out interrupt request */
+
+ /* get endpoint register and out transfer info struct */
+ ept_info = &udev->ept_out[ept_num];
+
+ if((ept_val & USB_SETUPTC) != 0)
+ {
+ /* endpoint setup interrupt request */
+
+ /* get endpoint received data length */
+ ept_info->trans_len = USB_GET_RX_LEN(ept_num);
+
+ /* read endpoint received data */
+ usb_read_packet(udev->setup_buffer, ept_info->rx_addr, ept_info->trans_len);
+
+ /* clear endpoint rx tc flag */
+ USB_CLEAR_RXTC(USB_EPT0);
+
+ /* endpoint setup complete handler */
+ usbd_core_setup_handler(udev, ept_num);
+ usbd_setup_phase_done_callback(udev);
+ }
+ else if(ept_val & USB_RXTC )
+ {
+ /* endpoint out interrupt request */
+ USB_CLEAR_RXTC(ept_num);
+
+ if(ept_info->is_double_buffer == 0)
+ {
+ /* get endpoint received data length */
+ length = USB_GET_RX_LEN(ept_num);
+
+ /* read endpoint received data */
+ usb_read_packet(ept_info->trans_buf, ept_info->rx_addr, length);
+ }
+ else
+ {
+ if( ept_val & USB_RXDTS)
+ {
+ length = USB_DBUF0_GET_LEN(ept_num);
+ usb_read_packet(ept_info->trans_buf, ept_info->tx_addr, length);
+ }
+ else
+ {
+ length = USB_DBUF1_GET_LEN(ept_num);
+ usb_read_packet(ept_info->trans_buf, ept_info->rx_addr, length);
+ }
+ USB_FREE_DB_USER_BUFFER(ept_num, DATA_TRANS_OUT);
+ }
+
+ /* set received data length */
+ ept_info->trans_len += length;
+ ept_info->trans_buf += length;
+
+ if(ept_info->total_len == 0 || length < ept_info->maxpacket || ept_num == USB_EPT0)
+ {
+ /* out transfer complete */
+ usbd_data_out_stage_callback(udev, ept_num);
+ }
+ else
+ {
+ /* endpoint continue receive data */
+ usbd_ept_recv(udev, ept_num, ept_info->trans_buf, ept_info->total_len);
+ }
+ }
+ }
+}
+
+/**
+ * @brief usb device endpoint loop handler.
+ * @param udev: to the structure of usbd_core_type
+ * @retval none
+ */
+void usbd_ept_loop_handler(usbd_core_type *udev)
+{
+ usbd_type *usbx = udev->usb_reg;
+ usb_ept_number_type ept_num = USB_EPT0;
+ uint32_t sts_val;
+
+ while((sts_val = usbx->intsts) & USB_TC_FLAG)
+ {
+ /* get the interrupt endpoint number */
+ ept_num = (usb_ept_number_type)(sts_val & USB_EPT_NUM_FLAG);
+
+ usbd_eptn_handler(udev, ept_num);
+ }
+}
+
+/**
+ * @brief usb device reset interrupt request handler.
+ * @param udev: to the structure of usbd_core_type
+ * @retval none
+ */
+void usbd_reset_handler(usbd_core_type *udev)
+{
+ /* free usb buffer */
+ usb_buffer_free();
+
+ usbd_ept_defaut_init(udev);
+#ifndef USB_EPT_AUTO_MALLOC_BUFFER
+ usbd_ept_buf_custom_define(udev, 0x80, EPT0_TX_ADDR);
+ usbd_ept_buf_custom_define(udev, 0x00, EPT0_RX_ADDR);
+#endif
+
+ /* open endpoint 0 out */
+ usbd_ept_open(udev, 0x00, EPT_CONTROL_TYPE, 0x40);
+
+ /* open endpoint 0 in */
+ usbd_ept_open(udev, 0x80, EPT_CONTROL_TYPE, 0x40);
+
+ /* set device address to 0 */
+ usb_set_address(udev->usb_reg, 0);
+
+ /* usb connect state set to default */
+ udev->conn_state = USB_CONN_STATE_DEFAULT;
+
+ /* user define reset event */
+ usbd_reset_callback(udev);
+}
+
+/**
+ * @brief usb device sof interrupt request handler.
+ * @param udev: to the structure of usbd_core_type
+ * @retval none
+ */
+void usbd_sof_handler(usbd_core_type *udev)
+{
+ /* user sof handler in class define*/
+ if(udev->class_handler->sof_handler)
+ udev->class_handler->sof_handler(udev);
+}
+
+/**
+ * @brief usb device suspend interrupt request handler.
+ * @param udev: to the structure of usbd_core_type
+ * @retval none
+ */
+void usbd_suspend_handler(usbd_core_type *udev)
+{
+ /* save connect state */
+ udev->old_conn_state = udev->conn_state;
+
+ /* set current state to suspend */
+ udev->conn_state = USB_CONN_STATE_SUSPENDED;
+
+ /* enter suspend mode */
+ usbd_enter_suspend(udev);
+}
+
+/**
+ * @brief usb device wakup interrupt request handler.
+ * @param udev: to the structure of usbd_core_type
+ * @retval none
+ */
+void usbd_wakeup_handler(usbd_core_type *udev)
+{
+ /* exit suspend mode */
+ usb_exit_suspend(udev->usb_reg);
+
+ /* restore connect state */
+ udev->conn_state = udev->old_conn_state;
+
+ /* user define wakeup event */
+}
+
+__weak void usbd_reset_callback(usbd_core_type *udev)
+{
+}
+
+__weak void usbd_setup_phase_done_callback(usbd_core_type *udev)
+{
+}
+
+__weak void usbd_data_in_stage_callback(usbd_core_type *udev, uint32_t ept_num)
+{
+}
+
+__weak void usbd_sof_callback(usbd_core_type *udev)
+{
+}
+
+__weak void usbd_data_out_stage_callback(usbd_core_type *udev, uint32_t ept_num)
+{
+}
+
+__weak void usbd_connectCallback(usbd_core_type *udev)
+{
+}
+
+__weak void usbd_disconnectCallback(usbd_core_type *udev)
+{
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
diff --git a/bsp/at32/libraries/usbd_library/src/usbd_sdr.c b/bsp/at32/libraries/usbd_library/src/usbd_sdr.c
new file mode 100644
index 0000000000..3ddf0afac8
--- /dev/null
+++ b/bsp/at32/libraries/usbd_library/src/usbd_sdr.c
@@ -0,0 +1,533 @@
+/**
+ **************************************************************************
+ * @file usbd_sdr.c
+ * @brief usb standard device request
+ **************************************************************************
+ * Copyright notice & Disclaimer
+ *
+ * The software Board Support Package (BSP) that is made available to
+ * download from Artery official website is the copyrighted work of Artery.
+ * Artery authorizes customers to use, copy, and distribute the BSP
+ * software and its related documentation for the purpose of design and
+ * development in conjunction with Artery microcontrollers. Use of the
+ * software is governed by this copyright notice and the following disclaimer.
+ *
+ * THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
+ * GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
+ * TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
+ * STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
+ * INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
+ *
+ **************************************************************************
+ */
+
+#include "usbd_sdr.h"
+
+/** @defgroup USBD_drivers_standard_request
+ * @brief usb device standard_request
+ * @{
+ */
+
+/** @defgroup USBD_sdr_private_functions
+ * @{
+ */
+
+static usb_sts_type usbd_get_descriptor(usbd_core_type *udev);
+static usb_sts_type usbd_set_address(usbd_core_type *udev);
+static usb_sts_type usbd_get_status(usbd_core_type *udev);
+static usb_sts_type usbd_clear_feature(usbd_core_type *udev);
+static usb_sts_type usbd_set_feature(usbd_core_type *udev);
+static usb_sts_type usbd_get_configuration(usbd_core_type *udev);
+static usb_sts_type usbd_set_configuration(usbd_core_type *udev);
+
+/**
+ * @brief usb parse standard setup request
+ * @param setup: setup structure
+ * @param buf: setup buffer
+ * @retval none
+ */
+void usbd_setup_request_parse(usb_setup_type *setup, uint8_t *buf)
+{
+ setup->bmRequestType = *(uint8_t *) buf;
+ setup->bRequest = *(uint8_t *) (buf + 1);
+ setup->wValue = SWAPBYTE(buf + 2);
+ setup->wIndex = SWAPBYTE(buf + 4);
+ setup->wLength = SWAPBYTE(buf + 6);
+}
+
+/**
+ * @brief get usb standard device description request
+ * @param udev: to the structure of usbd_core_type
+ * @retval status of usb_sts_type
+ */
+static usb_sts_type usbd_get_descriptor(usbd_core_type *udev)
+{
+ usb_sts_type ret = USB_OK;
+ uint16_t len = 0;
+ uint8_t desc_type = udev->setup.wValue >> 8;
+ usbd_desc_t *desc = NULL, usbd_desc =
+ {
+ .length = 0xA,
+ .descriptor = NULL,
+ };
+
+ switch(desc_type)
+ {
+ case USB_DESCIPTOR_TYPE_DEVICE:
+ case USB_DESCIPTOR_TYPE_CONFIGURATION:
+ desc = &usbd_desc;
+ break;
+ case USB_DESCIPTOR_TYPE_STRING:
+ {
+ uint8_t str_desc = (uint8_t)udev->setup.wValue;
+ switch(str_desc)
+ {
+ case USB_LANGID_STRING:
+ case USB_MFC_STRING:
+ case USB_PRODUCT_STRING:
+ case USB_SERIAL_STRING:
+ case USB_CONFIG_STRING:
+ case USB_INTERFACE_STRING:
+ desc = &usbd_desc;
+ break;
+ default:
+ usbd_ctrl_send(udev, desc->descriptor, len);
+ return ret;
+ }
+ break;
+ }
+ case USB_DESCIPTOR_TYPE_DEVICE_QUALIFIER:
+ usbd_ctrl_unsupport(udev);
+ break;
+ case USB_DESCIPTOR_TYPE_OTHER_SPEED:
+ usbd_ctrl_unsupport(udev);
+ return ret;
+ default:
+ usbd_ctrl_unsupport(udev);
+ return ret;
+ }
+
+ if(desc != NULL)
+ {
+ if((desc->length != 0) && (udev->setup.wLength != 0))
+ {
+ len = MIN(desc->length , udev->setup.wLength);
+ usbd_ctrl_send(udev, desc->descriptor, len);
+ }
+ }
+
+ return ret;
+}
+
+/**
+ * @brief this request sets the device address
+ * @param udev: to the structure of usbd_core_type
+ * @retval status of usb_sts_type
+ */
+static usb_sts_type usbd_set_address(usbd_core_type *udev)
+{
+ usb_sts_type ret = USB_OK;
+ usb_setup_type *setup = &udev->setup;
+ uint8_t dev_addr;
+
+ /* if wIndex or wLength are non-zero, then the behavior of
+ the device is not specified
+ */
+ if(setup->wIndex == 0 && setup->wLength == 0)
+ {
+ dev_addr = (uint8_t)(setup->wValue) & 0x7f;
+
+ /* device behavior when this request is received
+ while the device is in the configured state is not specified.*/
+ if(udev->conn_state == USB_CONN_STATE_CONFIGURED )
+ {
+ usbd_ctrl_unsupport(udev);
+ }
+ else
+ {
+ udev->device_addr = dev_addr;
+
+ if(dev_addr != 0)
+ {
+ udev->conn_state = USB_CONN_STATE_ADDRESSED;
+ }
+ else
+ {
+ udev->conn_state = USB_CONN_STATE_DEFAULT;
+ }
+ usbd_ctrl_send_status(udev);
+ }
+ }
+ else
+ {
+ usbd_ctrl_unsupport(udev);
+ }
+ return ret;
+}
+
+/**
+ * @brief get usb status request
+ * @param udev: to the structure of usbd_core_type
+ * @retval status of usb_sts_type
+ */
+static usb_sts_type usbd_get_status(usbd_core_type *udev)
+{
+ usb_sts_type ret = USB_OK;
+ switch(udev->conn_state)
+ {
+ case USB_CONN_STATE_ADDRESSED:
+ case USB_CONN_STATE_CONFIGURED:
+ if(udev->remote_wakup)
+ {
+ udev->config_status |= USB_CONF_REMOTE_WAKEUP;
+ }
+ usbd_ctrl_send(udev, (uint8_t *)(&udev->config_status), 2);
+ break;
+ default:
+ usbd_ctrl_unsupport(udev);
+ break;
+ }
+ return ret;
+}
+
+/**
+ * @brief clear usb feature request
+ * @param udev: to the structure of usbd_core_type
+ * @retval status of usb_sts_type
+ */
+static usb_sts_type usbd_clear_feature(usbd_core_type *udev)
+{
+ usb_sts_type ret = USB_OK;
+ usb_setup_type *setup = &udev->setup;
+ switch(udev->conn_state)
+ {
+ case USB_CONN_STATE_ADDRESSED:
+ case USB_CONN_STATE_CONFIGURED:
+ if(setup->wValue == USB_FEATURE_REMOTE_WAKEUP)
+ {
+ udev->remote_wakup = 0;
+ udev->config_status &= ~USB_CONF_REMOTE_WAKEUP;
+ usbd_ctrl_send_status(udev);
+ }
+ break;
+ default:
+ usbd_ctrl_unsupport(udev);
+ break;
+ }
+ return ret;
+}
+
+/**
+ * @brief set usb feature request
+ * @param udev: to the structure of usbd_core_type
+ * @retval status of usb_sts_type
+ */
+static usb_sts_type usbd_set_feature(usbd_core_type *udev)
+{
+ usb_sts_type ret = USB_OK;
+ usb_setup_type *setup = &udev->setup;
+ if(setup->wValue == USB_FEATURE_REMOTE_WAKEUP)
+ {
+ udev->remote_wakup = 1;
+ usbd_ctrl_send_status(udev);
+ }
+ return ret;
+}
+
+/**
+ * @brief get usb configuration request
+ * @param udev: to the structure of usbd_core_type
+ * @retval status of usb_sts_type
+ */
+static usb_sts_type usbd_get_configuration(usbd_core_type *udev)
+{
+ usb_sts_type ret = USB_OK;
+ usb_setup_type *setup = &udev->setup;
+ if(setup->wLength != 1)
+ {
+ usbd_ctrl_unsupport(udev);
+ }
+ else
+ {
+ switch(udev->conn_state)
+ {
+ case USB_CONN_STATE_ADDRESSED:
+ udev->default_config = 0;
+ usbd_ctrl_send(udev, (uint8_t *)(&udev->default_config), 1);
+ break;
+ case USB_CONN_STATE_CONFIGURED:
+ usbd_ctrl_send(udev, (uint8_t *)(&udev->dev_config), 1);
+ break;
+ default:
+ usbd_ctrl_unsupport(udev);
+ break;
+ }
+ }
+ return ret;
+}
+
+/**
+ * @brief sets the usb device configuration request
+ * @param udev: to the structure of usbd_core_type
+ * @retval status of usb_sts_type
+ */
+static usb_sts_type usbd_set_configuration(usbd_core_type *udev)
+{
+ usb_sts_type ret = USB_OK;
+ static uint8_t config_value;
+ usb_setup_type *setup = &udev->setup;
+ config_value = (uint8_t)setup->wValue;
+
+ if(setup->wIndex == 0 && setup->wLength == 0)
+ {
+ switch(udev->conn_state)
+ {
+ case USB_CONN_STATE_ADDRESSED:
+ if(config_value)
+ {
+ udev->dev_config = config_value;
+ udev->conn_state = USB_CONN_STATE_CONFIGURED;
+ usbd_ctrl_send_status(udev);
+ }
+ else
+ {
+ usbd_ctrl_send_status(udev);
+ }
+
+ break;
+ case USB_CONN_STATE_CONFIGURED:
+ if(config_value == 0)
+ {
+ udev->conn_state = USB_CONN_STATE_ADDRESSED;
+ udev->dev_config = config_value;
+ usbd_ctrl_send_status(udev);
+ }
+ else if(config_value == udev->dev_config)
+ {
+ udev->dev_config = config_value;
+ usbd_ctrl_send_status(udev);
+ }
+ else
+ {
+ usbd_ctrl_send_status(udev);
+ }
+ break;
+ default:
+ usbd_ctrl_unsupport(udev);
+ break;
+ }
+ }
+ else
+ {
+ usbd_ctrl_unsupport(udev);
+ }
+ return ret;
+}
+
+/**
+ * @brief standard usb device requests
+ * @param udev: to the structure of usbd_core_type
+ * @retval status of usb_sts_type
+ */
+usb_sts_type usbd_device_request(usbd_core_type *udev)
+{
+ usb_sts_type ret = USB_OK;
+ usb_setup_type *setup = &udev->setup;
+ if((setup->bmRequestType & USB_REQ_TYPE_RESERVED) != USB_REQ_TYPE_STANDARD)
+ {
+ udev->class_handler->setup_handler(udev, &udev->setup);
+ return ret;
+ }
+ switch(udev->setup.bRequest)
+ {
+ case USB_STD_REQ_GET_STATUS:
+ usbd_get_status(udev);
+ break;
+ case USB_STD_REQ_CLEAR_FEATURE:
+ usbd_clear_feature(udev);
+ break;
+ case USB_STD_REQ_SET_FEATURE:
+ usbd_set_feature(udev);
+ break;
+ case USB_STD_REQ_SET_ADDRESS:
+ usbd_set_address(udev);
+ break;
+ case USB_STD_REQ_GET_DESCRIPTOR:
+ usbd_get_descriptor(udev);
+ break;
+ case USB_STD_REQ_GET_CONFIGURATION:
+ usbd_get_configuration(udev);
+ break;
+ case USB_STD_REQ_SET_CONFIGURATION:
+ usbd_set_configuration(udev);
+ break;
+ default:
+ usbd_ctrl_unsupport(udev);
+ break;
+ }
+ return ret;
+}
+
+/**
+ * @brief standard usb interface requests
+ * @param udev: to the structure of usbd_core_type
+ * @retval status of usb_sts_type
+ */
+usb_sts_type usbd_interface_request(usbd_core_type *udev)
+{
+ usb_sts_type ret = USB_OK;
+ usb_setup_type *setup = &udev->setup;
+ switch(udev->conn_state)
+ {
+ case USB_CONN_STATE_CONFIGURED:
+ switch(setup->bmRequestType & USB_REQ_TYPE_RESERVED)
+ {
+ case USB_REQ_TYPE_CLASS:
+ if(setup->wLength)
+ {
+ if(setup->bmRequestType & USB_REQ_DIR_DTH)
+ {
+ USB_SET_RXSTS((udev->ept_in[0].ept_address & 0x7F), USB_RX_VALID);
+ }
+ else
+ {
+ usbd_ept_send(udev, 0, 0, 0);
+ USB_SET_TXSTS((udev->ept_in[0].ept_address & 0x7F), USB_TX_VALID);
+ }
+ }
+ default:
+ break;
+ }
+
+ if(setup->wLength == 0)
+ {
+ usbd_ctrl_send_status(udev);
+ }
+ break;
+
+ default:
+ usbd_ctrl_unsupport(udev);
+ break;
+ }
+ return ret;
+}
+
+/**
+ * @brief standard usb endpoint requests
+ * @param udev: to the structure of usbd_core_type
+ * @retval status of usb_sts_type
+ */
+usb_sts_type usbd_endpoint_request(usbd_core_type *udev)
+{
+ usb_sts_type ret = USB_OK;
+ usb_setup_type *setup = &udev->setup;
+ uint8_t ept_addr = LBYTE(setup->wIndex);
+ usb_ept_info *ept_info;
+
+ if((setup->bmRequestType & USB_REQ_TYPE_RESERVED) == USB_REQ_TYPE_CLASS)
+ {
+ udev->class_handler->setup_handler(udev, &udev->setup);
+ }
+ switch(setup->bRequest)
+ {
+ case USB_STD_REQ_GET_STATUS:
+ switch(udev->conn_state)
+ {
+ case USB_CONN_STATE_ADDRESSED:
+ if((ept_addr & 0x7F) != 0)
+ {
+ usbd_set_stall(udev, ept_addr);
+ }
+ break;
+ case USB_CONN_STATE_CONFIGURED:
+ {
+ if((ept_addr & 0x80) != 0)
+ {
+ ept_info = &udev->ept_in[ept_addr & 0x7F];
+ }
+ else
+ {
+ ept_info = &udev->ept_out[ept_addr & 0x7F];
+ }
+ if(ept_info->stall == 1)
+ {
+ ept_info->status = 0x0001;
+ }
+ else
+ {
+ ept_info->status = 0x0000;
+ }
+ usbd_ctrl_send(udev, (uint8_t *)(&ept_info->status), 2);
+ }
+ break;
+ default:
+ usbd_ctrl_unsupport(udev);
+ break;
+ }
+ break;
+ case USB_STD_REQ_CLEAR_FEATURE:
+ switch(udev->conn_state)
+ {
+ case USB_CONN_STATE_ADDRESSED:
+ if((ept_addr != 0x00) && (ept_addr != 0x80))
+ {
+ usbd_set_stall(udev, ept_addr);
+ }
+ break;
+ case USB_CONN_STATE_CONFIGURED:
+ if(setup->wValue == USB_FEATURE_EPT_HALT)
+ {
+ if((ept_addr & 0x7F) != 0x00 )
+ {
+ usbd_clear_stall(udev, ept_addr);
+ udev->class_handler->setup_handler(udev, &udev->setup);
+ }
+ usbd_ctrl_send_status(udev);
+ }
+ break;
+ default:
+ usbd_ctrl_unsupport(udev);
+ break;
+ }
+ break;
+ case USB_STD_REQ_SET_FEATURE:
+ switch(udev->conn_state)
+ {
+ case USB_CONN_STATE_ADDRESSED:
+ if((ept_addr != 0x00) && (ept_addr != 0x80))
+ {
+ usbd_set_stall(udev, ept_addr);
+ }
+ break;
+ case USB_CONN_STATE_CONFIGURED:
+ if(setup->wValue == USB_FEATURE_EPT_HALT)
+ {
+ if((ept_addr != 0x00) && (ept_addr != 0x80))
+ {
+ usbd_set_stall(udev, ept_addr);
+ }
+ }
+ udev->class_handler->setup_handler(udev, &udev->setup);
+ usbd_ctrl_send_status(udev);
+ break;
+ default:
+ usbd_ctrl_unsupport(udev);
+ break;
+ }
+ break;
+ default:
+ usbd_ctrl_unsupport(udev);
+ break;
+ }
+ return ret;
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
diff --git a/bsp/at32/libraries/usbfs_library/SConscript b/bsp/at32/libraries/usbfs_library/SConscript
new file mode 100644
index 0000000000..d22ed3f0b1
--- /dev/null
+++ b/bsp/at32/libraries/usbfs_library/SConscript
@@ -0,0 +1,27 @@
+# RT-Thread building script for component
+Import('RTT_ROOT')
+Import('rtconfig')
+from building import *
+
+# get current directory
+cwd = GetCurrentDir()
+
+# add the general drivers.
+src = Split("""
+""")
+
+# The set of source files associated with this SConscript file.
+if GetDepend('BSP_USING_USBFS'):
+ src += ['src/usb_core.c']
+
+if GetDepend('RT_USING_USB_DEVICE'):
+ src += ['src/usbd_core.c', 'src/usbd_int.c', 'src/usbd_sdr.c']
+
+if GetDepend('RT_USING_USB_HOST'):
+ src += ['src/usbh_core.c', 'src/usbh_int.c', 'src/usbh_ctrl.c']
+
+CPPPATH = [cwd + '/inc']
+
+group = DefineGroup('usbfs_library', src, depend = [''], CPPPATH = CPPPATH)
+
+Return('group')
diff --git a/bsp/at32/libraries/usbfs_library/inc/usb_core.h b/bsp/at32/libraries/usbfs_library/inc/usb_core.h
new file mode 100644
index 0000000000..de67131fde
--- /dev/null
+++ b/bsp/at32/libraries/usbfs_library/inc/usb_core.h
@@ -0,0 +1,122 @@
+/**
+ **************************************************************************
+ * @file usb_core.h
+ * @brief usb core header file
+ **************************************************************************
+ * Copyright notice & Disclaimer
+ *
+ * The software Board Support Package (BSP) that is made available to
+ * download from Artery official website is the copyrighted work of Artery.
+ * Artery authorizes customers to use, copy, and distribute the BSP
+ * software and its related documentation for the purpose of design and
+ * development in conjunction with Artery microcontrollers. Use of the
+ * software is governed by this copyright notice and the following disclaimer.
+ *
+ * THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
+ * GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
+ * TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
+ * STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
+ * INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
+ *
+ **************************************************************************
+ */
+
+/* define to prevent recursive inclusion -------------------------------------*/
+#ifndef __USB_CORE_H
+#define __USB_CORE_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "usb_std.h"
+
+#ifdef USE_OTG_DEVICE_MODE
+#include "usbd_core.h"
+#endif
+#ifdef USE_OTG_HOST_MODE
+#include "usbh_core.h"
+#endif
+
+/** @addtogroup USB_drivers_core
+ * @{
+ */
+
+/** @defgroup USB_core_exported_types
+ * @{
+ */
+
+/**
+ * @brief usb core speed select
+ */
+typedef enum
+{
+ USB_LOW_SPEED_CORE_ID, /*!< usb low speed core id */
+ USB_FULL_SPEED_CORE_ID, /*!< usb full speed core id */
+ USB_HIGH_SPEED_CORE_ID, /*!< usb high speed core id */
+} usb_speed_type;
+
+/**
+ * @brief usb core cofig struct
+ */
+typedef struct
+{
+ uint8_t speed; /*!< otg speed */
+ uint8_t dma_en; /*!< dma enable state, not use*/
+ uint8_t hc_num; /*!< the otg host support number of channel */
+ uint8_t ept_num; /*!< the otg device support number of endpoint */
+
+ uint16_t max_size; /*!< support max packet size */
+ uint16_t fifo_size; /*!< the usb otg total file size */
+ uint8_t phy_itface; /*!< usb phy select */
+ uint8_t core_id; /*!< the usb otg core id */
+ uint8_t low_power; /*!< the usb otg low power option */
+ uint8_t sof_out; /*!< the sof signal output */
+ uint8_t usb_id; /*!< select otgfs1 or otgfs2 */
+ uint8_t vbusig; /*!< vbus ignore */
+} usb_core_cfg;
+
+/**
+ * @brief usb otg core struct type
+ */
+typedef struct
+{
+ usb_reg_type *usb_reg; /*!< the usb otg register type */
+#ifdef USE_OTG_DEVICE_MODE
+ usbd_core_type dev; /*!< the usb device core type */
+#endif
+
+#ifdef USE_OTG_HOST_MODE
+ usbh_core_type host; /*!< the usb host core type */
+#endif
+
+ usb_core_cfg cfg; /*!< the usb otg core config type */
+
+} otg_core_type;
+
+usb_sts_type usb_core_config(otg_core_type *otgdev, uint8_t core_id);
+#ifdef USE_OTG_DEVICE_MODE
+usb_sts_type usbd_init(otg_core_type *udev,
+ uint8_t core_id, uint8_t usb_id);
+#endif
+
+#ifdef USE_OTG_HOST_MODE
+usb_sts_type usbh_init(otg_core_type *hdev,
+ uint8_t core_id, uint8_t usb_id);
+#endif
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
diff --git a/bsp/at32/libraries/usbfs_library/inc/usb_std.h b/bsp/at32/libraries/usbfs_library/inc/usb_std.h
new file mode 100644
index 0000000000..9cf57cf988
--- /dev/null
+++ b/bsp/at32/libraries/usbfs_library/inc/usb_std.h
@@ -0,0 +1,368 @@
+/**
+ **************************************************************************
+ * @file usb_std.h
+ * @brief usb standard header file
+ **************************************************************************
+ * Copyright notice & Disclaimer
+ *
+ * The software Board Support Package (BSP) that is made available to
+ * download from Artery official website is the copyrighted work of Artery.
+ * Artery authorizes customers to use, copy, and distribute the BSP
+ * software and its related documentation for the purpose of design and
+ * development in conjunction with Artery microcontrollers. Use of the
+ * software is governed by this copyright notice and the following disclaimer.
+ *
+ * THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
+ * GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
+ * TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
+ * STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
+ * INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
+ *
+ **************************************************************************
+ */
+
+/* define to prevent recursive inclusion -------------------------------------*/
+#ifndef __USB_STD_H
+#define __USB_STD_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* includes ------------------------------------------------------------------*/
+#include "drv_config.h"
+
+/** @addtogroup USB_standard
+ * @{
+ */
+
+/** @defgroup USB_standard_define
+ * @{
+ */
+
+/**
+ * @brief usb request recipient
+ */
+#define USB_REQ_RECIPIENT_DEVICE 0x00 /*!< usb request recipient device */
+#define USB_REQ_RECIPIENT_INTERFACE 0x01 /*!< usb request recipient interface */
+#define USB_REQ_RECIPIENT_ENDPOINT 0x02 /*!< usb request recipient endpoint */
+#define USB_REQ_RECIPIENT_OTHER 0x03 /*!< usb request recipient other */
+#define USB_REQ_RECIPIENT_MASK 0x1F /*!< usb request recipient mask */
+
+/**
+ * @brief usb request type
+ */
+#define USB_REQ_TYPE_STANDARD 0x00 /*!< usb request type standard */
+#define USB_REQ_TYPE_CLASS 0x20 /*!< usb request type class */
+#define USB_REQ_TYPE_VENDOR 0x40 /*!< usb request type vendor */
+#define USB_REQ_TYPE_RESERVED 0x60 /*!< usb request type reserved */
+
+/**
+ * @brief usb request data transfer direction
+ */
+#define USB_REQ_DIR_HTD 0x00 /*!< usb request data transfer direction host to device */
+#define USB_REQ_DIR_DTH 0x80 /*!< usb request data transfer direction device to host */
+
+/**
+ * @brief usb standard device requests codes
+ */
+#define USB_STD_REQ_GET_STATUS 0 /*!< usb request code status */
+#define USB_STD_REQ_CLEAR_FEATURE 1 /*!< usb request code clear feature */
+#define USB_STD_REQ_SET_FEATURE 3 /*!< usb request code feature */
+#define USB_STD_REQ_SET_ADDRESS 5 /*!< usb request code address */
+#define USB_STD_REQ_GET_DESCRIPTOR 6 /*!< usb request code get descriptor */
+#define USB_STD_REQ_SET_DESCRIPTOR 7 /*!< usb request code set descriptor */
+#define USB_STD_REQ_GET_CONFIGURATION 8 /*!< usb request code get configuration */
+#define USB_STD_REQ_SET_CONFIGURATION 9 /*!< usb request code set configuration */
+#define USB_STD_REQ_GET_INTERFACE 10 /*!< usb request code get interface */
+#define USB_STD_REQ_SET_INTERFACE 11 /*!< usb request code set interface */
+#define USB_STD_REQ_SYNCH_FRAME 12 /*!< usb request code synch frame */
+
+/**
+ * @brief usb standard device type
+ */
+#define USB_DESCIPTOR_TYPE_DEVICE 1 /*!< usb standard device type device */
+#define USB_DESCIPTOR_TYPE_CONFIGURATION 2 /*!< usb standard device type configuration */
+#define USB_DESCIPTOR_TYPE_STRING 3 /*!< usb standard device type string */
+#define USB_DESCIPTOR_TYPE_INTERFACE 4 /*!< usb standard device type interface */
+#define USB_DESCIPTOR_TYPE_ENDPOINT 5 /*!< usb standard device type endpoint */
+#define USB_DESCIPTOR_TYPE_DEVICE_QUALIFIER 6 /*!< usb standard device type qualifier */
+#define USB_DESCIPTOR_TYPE_OTHER_SPEED 7 /*!< usb standard device type other speed */
+#define USB_DESCIPTOR_TYPE_INTERFACE_POWER 8 /*!< usb standard device type interface power */
+
+/**
+ * @brief usb standard string type
+ */
+#define USB_LANGID_STRING 0 /*!< usb standard string type lang id */
+#define USB_MFC_STRING 1 /*!< usb standard string type mfc */
+#define USB_PRODUCT_STRING 2 /*!< usb standard string type product */
+#define USB_SERIAL_STRING 3 /*!< usb standard string type serial */
+#define USB_CONFIG_STRING 4 /*!< usb standard string type config */
+#define USB_INTERFACE_STRING 5 /*!< usb standard string type interface */
+
+/**
+ * @brief usb configuration attributes
+ */
+#define USB_CONF_REMOTE_WAKEUP 2 /*!< usb configuration attributes remote wakeup */
+#define USB_CONF_SELF_POWERED 1 /*!< usb configuration attributes self powered */
+
+/**
+ * @brief usb standard feature selectors
+ */
+#define USB_FEATURE_EPT_HALT 0 /*!< usb standard feature selectors endpoint halt */
+#define USB_FEATURE_REMOTE_WAKEUP 1 /*!< usb standard feature selectors remote wakeup */
+
+/**
+ * @brief usb device connect state
+ */
+typedef enum
+{
+ USB_CONN_STATE_DEFAULT =1, /*!< usb device connect state default */
+ USB_CONN_STATE_ADDRESSED, /*!< usb device connect state address */
+ USB_CONN_STATE_CONFIGURED, /*!< usb device connect state configured */
+ USB_CONN_STATE_SUSPENDED /*!< usb device connect state suspend */
+}usbd_conn_state;
+
+/**
+ * @brief endpoint 0 state
+ */
+#define USB_EPT0_IDLE 0 /*!< usb endpoint state idle */
+#define USB_EPT0_SETUP 1 /*!< usb endpoint state setup */
+#define USB_EPT0_DATA_IN 2 /*!< usb endpoint state data in */
+#define USB_EPT0_DATA_OUT 3 /*!< usb endpoint state data out */
+#define USB_EPT0_STATUS_IN 4 /*!< usb endpoint state status in */
+#define USB_EPT0_STATUS_OUT 5 /*!< usb endpoint state status out */
+#define USB_EPT0_STALL 6 /*!< usb endpoint state stall */
+
+/**
+ * @brief usb descriptor length
+ */
+#define USB_DEVICE_QUALIFIER_DESC_LEN 0x0A /*!< usb qualifier descriptor length */
+#define USB_DEVICE_DESC_LEN 0x12 /*!< usb device descriptor length */
+#define USB_DEVICE_CFG_DESC_LEN 0x09 /*!< usb configuration descriptor length */
+#define USB_DEVICE_IF_DESC_LEN 0x09 /*!< usb interface descriptor length */
+#define USB_DEVICE_EPT_LEN 0x07 /*!< usb endpoint descriptor length */
+#define USB_DEVICE_OTG_DESC_LEN 0x03 /*!< usb otg descriptor length */
+#define USB_DEVICE_LANGID_STR_DESC_LEN 0x04 /*!< usb lang id string descriptor length */
+#define USB_DEVICE_OTHER_SPEED_DESC_SIZ_LEN 0x09 /*!< usb other speed descriptor length */
+
+/**
+ * @brief usb class code
+ */
+#define USB_CLASS_CODE_AUDIO 0x01 /*!< usb class code audio */
+#define USB_CLASS_CODE_CDC 0x02 /*!< usb class code cdc */
+#define USB_CLASS_CODE_HID 0x03 /*!< usb class code hid */
+#define USB_CLASS_CODE_PRINTER 0x07 /*!< usb class code printer */
+#define USB_CLASS_CODE_MSC 0x08 /*!< usb class code msc */
+#define USB_CLASS_CODE_HUB 0x09 /*!< usb class code hub */
+#define USB_CLASS_CODE_CDCDATA 0x0A /*!< usb class code cdc data */
+#define USB_CLASS_CODE_CCID 0x0B /*!< usb class code ccid */
+#define USB_CLASS_CODE_VIDEO 0x0E /*!< usb class code video */
+#define USB_CLASS_CODE_VENDOR 0xFF /*!< usb class code vendor */
+
+/**
+ * @brief usb endpoint type
+ */
+#define USB_EPT_DESC_CONTROL 0x00 /*!< usb endpoint description type control */
+#define USB_EPT_DESC_ISO 0x01 /*!< usb endpoint description type iso */
+#define USB_EPT_DESC_BULK 0x02 /*!< usb endpoint description type bulk */
+#define USB_EPT_DESC_INTERRUPT 0x03 /*!< usb endpoint description type interrupt */
+
+#define USB_EPT_DESC_NSYNC 0x00 /*!< usb endpoint description nsync */
+#define USB_ETP_DESC_ASYNC 0x04 /*!< usb endpoint description async */
+#define USB_ETP_DESC_ADAPTIVE 0x08 /*!< usb endpoint description adaptive */
+#define USB_ETP_DESC_SYNC 0x0C /*!< usb endpoint description sync */
+
+#define USB_EPT_DESC_DATA_EPT 0x00 /*!< usb endpoint description data */
+#define USB_EPT_DESC_FD_EPT 0x10 /*!< usb endpoint description fd */
+#define USB_EPT_DESC_FDDATA_EPT 0x20 /*!< usb endpoint description fddata */
+
+/**
+ * @brief usb cdc class descriptor define
+ */
+#define USBD_CDC_CS_INTERFACE 0x24
+#define USBD_CDC_CS_ENDPOINT 0x25
+
+/**
+ * @brief usb cdc class sub-type define
+ */
+#define USBD_CDC_SUBTYPE_HEADER 0x00
+#define USBD_CDC_SUBTYPE_CMF 0x01
+#define USBD_CDC_SUBTYPE_ACM 0x02
+#define USBD_CDC_SUBTYPE_UFD 0x06
+
+/**
+ * @brief usb cdc class request code define
+ */
+#define SET_LINE_CODING 0x20
+#define GET_LINE_CODING 0x21
+
+/**
+ * @brief usb cdc class set line coding struct
+ */
+typedef struct
+{
+ uint32_t bitrate; /* line coding baud rate */
+ uint8_t format; /* line coding foramt */
+ uint8_t parity; /* line coding parity */
+ uint8_t data; /* line coding data bit */
+}linecoding_type;
+
+/**
+ * @brief usb hid class descriptor define
+ */
+#define HID_CLASS_DESC_HID 0x21
+#define HID_CLASS_DESC_REPORT 0x22
+#define HID_CLASS_DESC_PHYSICAL 0x23
+
+/**
+ * @brief usb hid class request code define
+ */
+#define HID_REQ_SET_PROTOCOL 0x0B
+#define HID_REQ_GET_PROTOCOL 0x03
+#define HID_REQ_SET_IDLE 0x0A
+#define HID_REQ_GET_IDLE 0x02
+#define HID_REQ_SET_REPORT 0x09
+#define HID_REQ_GET_REPORT 0x01
+#define HID_DESCRIPTOR_TYPE 0x21
+#define HID_REPORT_DESC 0x22
+
+/**
+ * @brief endpoint 0 max size
+ */
+#define USB_MAX_EP0_SIZE 64 /*!< usb endpoint 0 max size */
+
+/**
+ * @brief usb swap address
+ */
+#define SWAPBYTE(addr) (uint16_t)(((uint16_t)(*((uint8_t *)(addr)))) + \
+ (((uint16_t)(*(((uint8_t *)(addr)) + 1))) << 8)) /*!< swap address */
+
+/**
+ * @brief low byte and high byte define
+ */
+#define LBYTE(x) ((uint8_t)(x & 0x00FF)) /*!< low byte define */
+#define HBYTE(x) ((uint8_t)((x & 0xFF00) >>8)) /*!< high byte define*/
+
+/**
+ * @brief usb return status
+ */
+typedef enum
+{
+ USB_OK, /*!< usb status ok */
+ USB_FAIL, /*!< usb status fail */
+ USB_WAIT, /*!< usb status wait */
+ USB_NOT_SUPPORT, /*!< usb status not support */
+ USB_ERROR, /*!< usb status error */
+}usb_sts_type;
+
+
+/**
+ * @brief format of usb setup data
+ */
+typedef struct
+{
+ uint8_t bmRequestType; /*!< characteristics of request */
+ uint8_t bRequest; /*!< specific request */
+ uint16_t wValue; /*!< word-sized field that varies according to request */
+ uint16_t wIndex; /*!< word-sized field that varies according to request
+ typically used to pass an index or offset */
+ uint16_t wLength; /*!< number of bytes to transfer if there is a data stage */
+} usb_setup_type;
+
+/**
+ * @brief format of standard device descriptor
+ */
+typedef struct
+{
+ uint8_t bLength; /*!< size of this descriptor in bytes */
+ uint8_t bDescriptorType; /*!< device descriptor type */
+ uint16_t bcdUSB; /*!< usb specification release number */
+ uint8_t bDeviceClass; /*!< class code (assigned by the usb-if) */
+ uint8_t bDeviceSubClass; /*!< subclass code (assigned by the usb-if) */
+ uint8_t bDeviceProtocol; /*!< protocol code ((assigned by the usb-if)) */
+ uint8_t bMaxPacketSize0; /*!< maximum packet size for endpoint zero */
+ uint16_t idVendor; /*!< verndor id ((assigned by the usb-if)) */
+ uint16_t idProduct; /*!< product id ((assigned by the usb-if)) */
+ uint16_t bcdDevice; /*!< device release number in binary-coded decimal */
+ uint8_t iManufacturer; /*!< index of string descriptor describing manufacturer */
+ uint8_t iProduct; /*!< index of string descriptor describing product */
+ uint8_t iSerialNumber; /*!< index of string descriptor describing serial number */
+ uint8_t bNumConfigurations; /*!< number of possible configurations */
+} usb_device_desc_type;
+
+/**
+ * @brief format of standard configuration descriptor
+ */
+typedef struct
+{
+ uint8_t bLength; /*!< size of this descriptor in bytes */
+ uint8_t bDescriptorType; /*!< configuration descriptor type */
+ uint16_t wTotalLength; /*!< total length of data returned for this configuration */
+ uint8_t bNumInterfaces; /*!< number of interfaces supported by this configuration */
+ uint8_t bConfigurationValue; /*!< value to use as an argument to the SetConfiguration() request */
+ uint8_t iConfiguration; /*!< index of string descriptor describing this configuration */
+ uint8_t bmAttributes; /*!< configuration characteristics
+ D7 reserved
+ D6 self-powered
+ D5 remote wakeup
+ D4~D0 reserved */
+ uint8_t bMaxPower; /*!< maximum power consumption of the usb device from the bus */
+
+
+}usb_configuration_desc_type;
+
+/**
+ * @brief format of standard interface descriptor
+ */
+typedef struct
+{
+ uint8_t bLength; /*!< size of this descriptor in bytes */
+ uint8_t bDescriptorType; /*!< interface descriptor type */
+ uint8_t bInterfaceNumber; /*!< number of this interface */
+ uint8_t bAlternateSetting; /*!< value used to select this alternate setting for the interface */
+ uint8_t bNumEndpoints; /*!< number of endpoints used by this interface */
+ uint8_t bInterfaceClass; /*!< class code (assigned by the usb-if) */
+ uint8_t bInterfaceSubClass; /*!< subclass code (assigned by the usb-if) */
+ uint8_t bInterfaceProtocol; /*!< protocol code (assigned by the usb-if) */
+ uint8_t iInterface; /*!< index of string descriptor describing this interface */
+} usb_interface_desc_type;
+
+/**
+ * @brief format of standard endpoint descriptor
+ */
+typedef struct
+{
+ uint8_t bLength; /*!< size of this descriptor in bytes */
+ uint8_t bDescriptorType; /*!< endpoint descriptor type */
+ uint8_t bEndpointAddress; /*!< the address of the endpoint on the usb device described by this descriptor */
+ uint8_t bmAttributes; /*!< describes the endpoints attributes when it is configured using bConfiguration value */
+ uint16_t wMaxPacketSize; /*!< maximum packet size this endpoint */
+ uint8_t bInterval; /*!< interval for polling endpoint for data transfers */
+} usb_endpoint_desc_type;
+
+/**
+ * @brief format of header
+ */
+typedef struct
+{
+ uint8_t bLength; /*!< size of this descriptor in bytes */
+ uint8_t bDescriptorType; /*!< descriptor type */
+} usb_header_desc_type;
+
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
diff --git a/bsp/at32/libraries/usbfs_library/inc/usbd_core.h b/bsp/at32/libraries/usbfs_library/inc/usbd_core.h
new file mode 100644
index 0000000000..74f521e17b
--- /dev/null
+++ b/bsp/at32/libraries/usbfs_library/inc/usbd_core.h
@@ -0,0 +1,176 @@
+/**
+ **************************************************************************
+ * @file usbd_core.h
+ * @brief usb device core header file
+ **************************************************************************
+ * Copyright notice & Disclaimer
+ *
+ * The software Board Support Package (BSP) that is made available to
+ * download from Artery official website is the copyrighted work of Artery.
+ * Artery authorizes customers to use, copy, and distribute the BSP
+ * software and its related documentation for the purpose of design and
+ * development in conjunction with Artery microcontrollers. Use of the
+ * software is governed by this copyright notice and the following disclaimer.
+ *
+ * THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
+ * GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
+ * TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
+ * STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
+ * INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
+ *
+ **************************************************************************
+ */
+
+/* define to prevent recursive inclusion -------------------------------------*/
+#ifndef __USBD_CORE_H
+#define __USBD_CORE_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "usb_std.h"
+
+/** @addtogroup USBD_drivers_core
+ * @{
+ */
+
+/** @defgroup USBD_core_exported_types
+ * @{
+ */
+
+#ifdef USE_OTG_DEVICE_MODE
+
+/**
+ * @brief usb device event
+ */
+typedef enum
+{
+ USBD_NOP_EVENT, /*!< usb device nop event */
+ USBD_RESET_EVENT, /*!< usb device reset event */
+ USBD_SUSPEND_EVENT, /*!< usb device suspend event */
+ USBD_WAKEUP_EVENT, /*!< usb device wakeup event */
+ USBD_DISCONNECT_EVNET, /*!< usb device disconnect event */
+ USBD_INISOINCOM_EVENT, /*!< usb device inisoincom event */
+ USBD_OUTISOINCOM_EVENT, /*!< usb device outisoincom event */
+ USBD_ERR_EVENT /*!< usb device error event */
+}usbd_event_type;
+
+/**
+ * @brief usb device descriptor struct
+ */
+typedef struct
+{
+ uint16_t length; /*!< descriptor length */
+ uint8_t *descriptor; /*!< descriptor string */
+}usbd_desc_t;
+
+/**
+ * @brief usb device descriptor handler
+ */
+typedef struct
+{
+ usbd_desc_t *(*get_device_descriptor)(void); /*!< get device descriptor callback */
+ usbd_desc_t *(*get_device_qualifier)(void); /*!< get device qualifier callback */
+ usbd_desc_t *(*get_device_configuration)(void); /*!< get device configuration callback */
+ usbd_desc_t *(*get_device_other_speed)(void); /*!< get device other speed callback */
+ usbd_desc_t *(*get_device_lang_id)(void); /*!< get device lang id callback */
+ usbd_desc_t *(*get_device_manufacturer_string)(void); /*!< get device manufacturer callback */
+ usbd_desc_t *(*get_device_product_string)(void); /*!< get device product callback */
+ usbd_desc_t *(*get_device_serial_string)(void); /*!< get device serial callback */
+ usbd_desc_t *(*get_device_interface_string)(void); /*!< get device interface string callback */
+ usbd_desc_t *(*get_device_config_string)(void); /*!< get device device config callback */
+}usbd_desc_handler;
+
+/**
+ * @brief usb device class handler
+ */
+typedef struct
+{
+ usb_sts_type (*init_handler)(void *udev); /*!< usb class init handler */
+ usb_sts_type (*clear_handler)(void *udev); /*!< usb class clear handler */
+ usb_sts_type (*setup_handler)(void *udev, usb_setup_type *setup); /*!< usb class setup handler */
+ usb_sts_type (*ept0_tx_handler)(void *udev); /*!< usb class endpoint 0 tx complete handler */
+ usb_sts_type (*ept0_rx_handler)(void *udev); /*!< usb class endpoint 0 rx complete handler */
+ usb_sts_type (*in_handler)(void *udev, uint8_t ept_num); /*!< usb class in transfer complete handler */
+ usb_sts_type (*out_handler)(void *udev, uint8_t ept_num); /*!< usb class out transfer complete handler */
+ usb_sts_type (*sof_handler)(void *udev); /*!< usb class sof handler */
+ usb_sts_type (*event_handler)(void *udev, usbd_event_type event); /*!< usb class event handler */
+ void *pdata; /*!< usb class data pointer */
+}usbd_class_handler;
+
+/**
+ * @brief usb device core struct type
+ */
+typedef struct
+{
+ usb_reg_type *usb_reg; /*!< usb register pointer */
+
+ usbd_class_handler *class_handler; /*!< usb device class handler pointer */
+ usbd_desc_handler *desc_handler; /*!< usb device descriptor handler pointer */
+
+ usb_ept_info ept_in[USB_EPT_MAX_NUM]; /*!< usb in endpoint infomation struct */
+ usb_ept_info ept_out[USB_EPT_MAX_NUM]; /*!< usb out endpoint infomation struct */
+
+ usb_setup_type setup; /*!< usb setup type struct */
+ uint8_t setup_buffer[12]; /*!< usb setup request buffer */
+
+ uint8_t ept0_sts; /*!< usb control endpoint 0 state */
+ uint8_t speed; /*!< usb speed */
+ uint16_t ept0_wlength; /*!< usb endpoint 0 transfer length */
+
+ usbd_conn_state conn_state; /*!< usb current connect state */
+ usbd_conn_state old_conn_state; /*!< usb save the previous connect state */
+
+ uint8_t device_addr; /*!< device address */
+ uint8_t remote_wakup; /*!< remote wakeup state */
+ uint8_t default_config; /*!< usb default config state */
+ uint8_t dev_config; /*!< usb device config state */
+ uint32_t config_status; /*!< usb configure status */
+
+ void *pdata;
+}usbd_core_type;
+
+void usbd_core_in_handler(usbd_core_type *udev, uint8_t ept_num);
+void usbd_core_out_handler(usbd_core_type *udev, uint8_t ept_num);
+void usbd_core_setup_handler(usbd_core_type *udev, uint8_t ept_num);
+void usbd_ctrl_unsupport(usbd_core_type *udev);
+void usbd_ctrl_send(usbd_core_type *udev, uint8_t *buffer, uint16_t len);
+void usbd_ctrl_recv(usbd_core_type *udev, uint8_t *buffer, uint16_t len);
+void usbd_ctrl_send_status(usbd_core_type *udev);
+void usbd_ctrl_recv_status(usbd_core_type *udev);
+void usbd_set_stall(usbd_core_type *udev, uint8_t ept_addr);
+void usbd_clear_stall(usbd_core_type *udev, uint8_t ept_addr);
+void usbd_ept_open(usbd_core_type *udev, uint8_t ept_addr, uint8_t ept_type, uint16_t maxpacket);
+void usbd_ept_close(usbd_core_type *udev, uint8_t ept_addr);
+void usbd_ept_send(usbd_core_type *udev, uint8_t ept_num, uint8_t *buffer, uint16_t len);
+void usbd_ept_recv(usbd_core_type *udev, uint8_t ept_num, uint8_t *buffer, uint16_t len);
+void usbd_connect(usbd_core_type *udev);
+void usbd_disconnect(usbd_core_type *udev);
+void usbd_set_device_addr(usbd_core_type *udev, uint8_t address);
+uint32_t usbd_get_recv_len(usbd_core_type *udev, uint8_t ept_addr);
+void usb_ept_defaut_init(usbd_core_type *udev);
+usbd_conn_state usbd_connect_state_get(usbd_core_type *udev);
+void usbd_remote_wakeup(usbd_core_type *udev);
+void usbd_enter_suspend(usbd_core_type *udev);
+void usbd_flush_tx_fifo(usbd_core_type *udev, uint8_t ept_num);
+void usbd_fifo_alloc(usbd_core_type *udev);
+usb_sts_type usbd_core_init(usbd_core_type *udev,
+ usb_reg_type *usb_reg,
+ uint8_t core_id);
+#endif
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/bsp/at32/libraries/usbfs_library/inc/usbd_int.h b/bsp/at32/libraries/usbfs_library/inc/usbd_int.h
new file mode 100644
index 0000000000..95f645ee59
--- /dev/null
+++ b/bsp/at32/libraries/usbfs_library/inc/usbd_int.h
@@ -0,0 +1,85 @@
+/**
+ **************************************************************************
+ * @file usbd_int.h
+ * @brief usb interrupt header file
+ **************************************************************************
+ * Copyright notice & Disclaimer
+ *
+ * The software Board Support Package (BSP) that is made available to
+ * download from Artery official website is the copyrighted work of Artery.
+ * Artery authorizes customers to use, copy, and distribute the BSP
+ * software and its related documentation for the purpose of design and
+ * development in conjunction with Artery microcontrollers. Use of the
+ * software is governed by this copyright notice and the following disclaimer.
+ *
+ * THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
+ * GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
+ * TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
+ * STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
+ * INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
+ *
+ **************************************************************************
+ */
+
+/* define to prevent recursive inclusion -------------------------------------*/
+#ifndef __USBD_INT_H
+#define __USBD_INT_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* includes ------------------------------------------------------------------*/
+#include "usbd_core.h"
+#include "usb_core.h"
+
+#ifdef USE_OTG_DEVICE_MODE
+
+/** @addtogroup USBD_drivers_int
+ * @{
+ */
+
+/** @defgroup USBD_interrupt_exported_types
+ * @{
+ */
+
+void usbd_irq_handler(otg_core_type *udev);
+void usbd_ept_handler(usbd_core_type *udev);
+void usbd_reset_handler(usbd_core_type *udev);
+void usbd_sof_handler(usbd_core_type *udev);
+void usbd_suspend_handler(usbd_core_type *udev);
+void usbd_wakeup_handler(usbd_core_type *udev);
+void usbd_inept_handler(usbd_core_type *udev);
+void usbd_outept_handler(usbd_core_type *udev);
+void usbd_enumdone_handler(usbd_core_type *udev);
+void usbd_rxflvl_handler(usbd_core_type *udev);
+void usbd_incomisioin_handler(usbd_core_type *udev);
+void usbd_discon_handler(usbd_core_type *udev);
+void usbd_incomisoout_handler(usbd_core_type *udev);
+void usb_write_empty_txfifo(usbd_core_type *udev, uint32_t ept_num);
+
+/* callback for rt-thread */
+void usbd_reset_callback(usbd_core_type *udev);
+void usbd_setup_phase_done_callback(usbd_core_type *udev);
+void usbd_data_in_stage_callback(usbd_core_type *udev, uint32_t ept_num);
+void usbd_sof_callback(usbd_core_type *udev);
+void usbd_data_out_stage_callback(usbd_core_type *udev, uint32_t ept_num);
+void usbd_connectCallback(usbd_core_type *udev);
+void usbd_disconnectCallback(usbd_core_type *udev);
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
+#endif
diff --git a/bsp/at32/libraries/usbfs_library/inc/usbd_sdr.h b/bsp/at32/libraries/usbfs_library/inc/usbd_sdr.h
new file mode 100644
index 0000000000..a95e67a475
--- /dev/null
+++ b/bsp/at32/libraries/usbfs_library/inc/usbd_sdr.h
@@ -0,0 +1,65 @@
+/**
+ **************************************************************************
+ * @file usb_sdr.h
+ * @brief usb header file
+ **************************************************************************
+ * Copyright notice & Disclaimer
+ *
+ * The software Board Support Package (BSP) that is made available to
+ * download from Artery official website is the copyrighted work of Artery.
+ * Artery authorizes customers to use, copy, and distribute the BSP
+ * software and its related documentation for the purpose of design and
+ * development in conjunction with Artery microcontrollers. Use of the
+ * software is governed by this copyright notice and the following disclaimer.
+ *
+ * THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
+ * GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
+ * TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
+ * STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
+ * INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
+ *
+ **************************************************************************
+ */
+
+/* define to prevent recursive inclusion -------------------------------------*/
+#ifndef __USB_SDR_H
+#define __USB_SDR_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* includes ------------------------------------------------------------------*/
+#include "usb_core.h"
+
+#ifdef USE_OTG_DEVICE_MODE
+
+/** @addtogroup USBD_drivers_standard_request
+ * @{
+ */
+
+/** @defgroup USBD_sdr_exported_functions
+ * @{
+ */
+
+void usbd_setup_request_parse(usb_setup_type *setup, uint8_t *buf);
+usb_sts_type usbd_device_request(usbd_core_type *udev);
+usb_sts_type usbd_interface_request(usbd_core_type *udev);
+usb_sts_type usbd_endpoint_request(usbd_core_type *udev);
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
+#endif
diff --git a/bsp/at32/libraries/usbfs_library/inc/usbh_core.h b/bsp/at32/libraries/usbfs_library/inc/usbh_core.h
new file mode 100644
index 0000000000..333dee5a01
--- /dev/null
+++ b/bsp/at32/libraries/usbfs_library/inc/usbh_core.h
@@ -0,0 +1,367 @@
+/**
+ **************************************************************************
+ * @file usbh_core.h
+ * @brief usb host core header file
+ **************************************************************************
+ * Copyright notice & Disclaimer
+ *
+ * The software Board Support Package (BSP) that is made available to
+ * download from Artery official website is the copyrighted work of Artery.
+ * Artery authorizes customers to use, copy, and distribute the BSP
+ * software and its related documentation for the purpose of design and
+ * development in conjunction with Artery microcontrollers. Use of the
+ * software is governed by this copyright notice and the following disclaimer.
+ *
+ * THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
+ * GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
+ * TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
+ * STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
+ * INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
+ *
+ **************************************************************************
+ */
+
+/* define to prevent recursive inclusion -------------------------------------*/
+#ifndef __USBH_CORE_H
+#define __USBH_CORE_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "usb_std.h"
+
+/** @addtogroup USBH_drivers_core
+ * @{
+ */
+
+/** @defgroup USBH_core_exported_types
+ * @{
+ */
+
+#ifdef USE_OTG_HOST_MODE
+
+/**
+ * @brief usb channel flag
+ */
+typedef enum
+{
+ HCH_IDLE, /*!< usb host channel idle */
+ HCH_XFRC, /*!< usb host channel transfer completed */
+ HCH_HALTED, /*!< usb host channel halted */
+ HCH_NAK, /*!< usb host channel nak */
+ HCH_NYET, /*!< usb host channel nyet */
+ HCH_STALL, /*!< usb host channel stall */
+ HCH_XACTERR, /*!< usb host channel transaction error */
+ HCH_BBLERR, /*!< usb host channel babble error */
+ HCH_DATATGLERR /*!< usb host channel data toggle error */
+} hch_sts_type;
+
+/**
+ * @brief usb channel state
+ */
+typedef enum
+{
+ URB_IDLE = 0, /*!< usb request idle state */
+ URB_DONE, /*!< usb request done state */
+ URB_NOTREADY, /*!< usb request not ready state */
+ URB_NYET, /*!< usb request nyet stat e*/
+ URB_ERROR, /*!< usb request error state */
+ URB_STALL /*!< usb request stall state */
+} urb_sts_type;
+
+/**
+ * @brief usb control channel flag
+ */
+typedef enum
+{
+ CTRL_START = 0, /*!< usb control request start */
+ CTRL_XFERC, /*!< usb control request completed */
+ CTRL_HALTED, /*!< usb control request halted */
+ CTRL_NAK, /*!< usb control request nak */
+ CTRL_STALL, /*!< usb control request stall */
+ CTRL_XACTERR, /*!< usb control request transaction error */
+ CTRL_BBLERR, /*!< usb control request babble error */
+ CTRL_DATATGLERR, /*!< usb control request data toggle error */
+ CTRL_FAIL /*!< usb control request failed */
+} ctrl_sts_type;
+
+/**
+ * @brief usb host control state machine
+ */
+typedef enum
+{
+ CONTROL_IDLE, /*!< usb control state idle */
+ CONTROL_SETUP, /*!< usb control state setup */
+ CONTROL_SETUP_WAIT, /*!< usb control state setup wait */
+ CONTROL_DATA_IN, /*!< usb control state data in */
+ CONTROL_DATA_IN_WAIT, /*!< usb control state data in wait */
+ CONTROL_DATA_OUT, /*!< usb control state data out */
+ CONTROL_DATA_OUT_WAIT, /*!< usb control state data out wait */
+ CONTROL_STATUS_IN, /*!< usb control state status in */
+ CONTROL_STATUS_IN_WAIT, /*!< usb control state status in wait */
+ CONTROL_STATUS_OUT, /*!< usb control state out */
+ CONTROL_STATUS_OUT_WAIT, /*!< usb control state out wait */
+ CONTROL_ERROR, /*!< usb control state error */
+ CONTROL_STALL, /*!< usb control state stall */
+ CONTROL_COMPLETE /*!< usb control state complete */
+} ctrl_ept0_sts_type;
+
+/**
+ * @brief usb host enumration state machine
+ */
+typedef enum
+{
+ ENUM_IDLE, /*!< usb host enumration state idle */
+ ENUM_GET_MIN_DESC, /*!< usb host enumration state get descriptor 8 byte*/
+ ENUM_GET_FULL_DESC, /*!< usb host enumration state get descriptor 18 byte*/
+ ENUM_SET_ADDR, /*!< usb host enumration state set address */
+ ENUM_GET_CFG, /*!< usb host enumration state get configuration */
+ ENUM_GET_FULL_CFG, /*!< usb host enumration state get full configuration */
+ ENUM_GET_MFC_STRING, /*!< usb host enumration state get manufacturer string */
+ ENUM_GET_PRODUCT_STRING, /*!< usb host enumration state get product string */
+ ENUM_GET_SERIALNUM_STRING, /*!< usb host enumration state get serial number string */
+ ENUM_SET_CONFIG, /*!< usb host enumration state set config */
+ ENUM_COMPLETE, /*!< usb host enumration state complete */
+} usbh_enum_sts_type;
+
+/**
+ * @brief usb host global state machine
+ */
+typedef enum
+{
+ USBH_IDLE, /*!< usb host global state idle */
+ USBH_PORT_EN, /*!< usb host global state port enable */
+ USBH_ATTACHED, /*!< usb host global state attached */
+ USBH_DISCONNECT, /*!< usb host global state disconnect */
+ USBH_DEV_SPEED, /*!< usb host global state device speed */
+ USBH_ENUMERATION, /*!< usb host global state enumeration */
+ USBH_CLASS_REQUEST, /*!< usb host global state class request */
+ USBH_CLASS, /*!< usb host global state class */
+ USBH_CTRL_XFER, /*!< usb host global state control transfer */
+ USBH_USER_HANDLER, /*!< usb host global state user handler */
+ USBH_SUSPEND, /*!< usb host global state suspend */
+ USBH_SUSPENDED, /*!< usb host have in suspend mode */
+ USBH_WAKEUP, /*!< usb host global state wakeup */
+ USBH_UNSUPPORT, /*!< usb host global unsupport device */
+ USBH_ERROR_STATE, /*!< usb host global state error */
+} usbh_gstate_type;
+
+/**
+ * @brief usb host transfer state
+ */
+typedef enum
+{
+ CMD_IDLE, /*!< usb host transfer state idle */
+ CMD_SEND, /*!< usb host transfer state send */
+ CMD_WAIT /*!< usb host transfer state wait */
+} cmd_sts_type;
+
+/**
+ * @brief usb host channel malloc state
+ */
+#define HCH_OK 0x0000 /*!< usb channel malloc state ok */
+#define HCH_USED 0x8000 /*!< usb channel had used */
+#define HCH_ERROR 0xFFFF /*!< usb channel error */
+#define HCH_USED_MASK 0x7FFF /*!< usb channel use mask */
+
+/**
+ * @brief channel pid
+ */
+#define HCH_PID_DATA0 0 /*!< usb channel pid data 0 */
+#define HCH_PID_DATA2 1 /*!< usb channel pid data 2 */
+#define HCH_PID_DATA1 2 /*!< usb channel pid data 1 */
+#define HCH_PID_SETUP 3 /*!< usb channel pid setup */
+
+/**
+ * @brief channel data transfer direction
+ */
+#define USB_REQUEST_DIR_MASK 0x80 /*!< usb request direction mask */
+#define USB_DIR_H2D USB_REQ_DIR_HTD /*!< usb request direction host to device */
+#define USB_DIR_D2H USB_REQ_DIR_DTH /*!< usb request direction device to host */
+
+/**
+ * @brief request timeout
+ */
+#define DATA_STAGE_TIMEOUT 5000 /*!< usb data stage timeout */
+#define NODATA_STAGE_TIMEOUT 50 /*!< usb no-data stage timeout */
+
+/**
+ * @brief max interface and endpoint
+ */
+#define USBH_MAX_ERROR_COUNT 2 /*!< usb support maximum error */
+#define USBH_MAX_INTERFACE 5 /*!< usb support maximum interface */
+#define USBH_MAX_ENDPOINT 5 /*!< usb support maximum endpoint */
+
+/**
+ * @brief interface descriptor
+ */
+typedef struct
+{
+ usb_interface_desc_type interface; /*!< usb device interface descriptor structure */
+ usb_endpoint_desc_type endpoint[USBH_MAX_ENDPOINT]; /*!< usb device endpoint descriptor structure array */
+} usb_itf_desc_type;
+
+/**
+ * @brief configure descriptor
+ */
+typedef struct
+{
+ usb_configuration_desc_type cfg; /*!< usb device configuration descriptor structure */
+ usb_itf_desc_type interface[USBH_MAX_INTERFACE]; /*!< usb device interface descriptor structure array*/
+} usb_cfg_desc_type;
+
+/**
+ * @brief device descriptor
+ */
+typedef struct
+{
+ uint8_t address; /*!< usb device address */
+ uint8_t speed; /*!< usb device speed */
+ usb_device_desc_type dev_desc; /*!< usb device descriptor */
+ usb_cfg_desc_type cfg_desc; /*!< usb device configuration */
+} usbh_dev_desc_type;
+
+/**
+ * @brief usb host control struct type
+ */
+typedef struct
+{
+ uint8_t hch_in; /*!< in channel number */
+ uint8_t hch_out; /*!< out channel number */
+ uint8_t ept0_size; /*!< endpoint 0 size */
+ uint8_t *buffer; /*!< endpoint 0 transfer buffer */
+ usb_setup_type setup; /*!< control setup type */
+ uint16_t len; /*!< transfer length */
+ uint8_t err_cnt; /*!< error counter */
+ uint32_t timer; /*!< transfer timer */
+ ctrl_sts_type sts; /*!< control transfer status */
+ ctrl_ept0_sts_type state; /*!< endpoint 0 state */
+} usbh_ctrl_type;
+
+/**
+ * @brief host class handler type
+ */
+typedef struct
+{
+ usb_sts_type (*init_handler)(void *uhost); /*!< usb host class init handler */
+ usb_sts_type (*reset_handler)(void *uhost); /*!< usb host class reset handler */
+ usb_sts_type (*request_handler)(void *uhost); /*!< usb host class request handler */
+ usb_sts_type (*process_handler)(void *uhost); /*!< usb host class process handler */
+ void *pdata; /*!< usb host class data */
+} usbh_class_handler_type;
+
+/**
+ * @brief host user handler type
+ */
+typedef struct
+{
+ usb_sts_type (*user_init)(void); /*!< usb host user init handler */
+ usb_sts_type (*user_reset)(void); /*!< usb host user reset handler */
+ usb_sts_type (*user_attached)(void); /*!< usb host user attached handler */
+ usb_sts_type (*user_disconnect)(void); /*!< usb host user disconnect handler */
+ usb_sts_type (*user_speed)(uint8_t speed); /*!< usb host user speed handler */
+ usb_sts_type (*user_mfc_string)(void *); /*!< usb host user manufacturer string handler */
+ usb_sts_type (*user_product_string)(void *); /*!< usb host user product string handler */
+ usb_sts_type (*user_serial_string)(void *); /*!< usb host user serial handler */
+ usb_sts_type (*user_enumeration_done)(void); /*!< usb host user enumeration done handler */
+ usb_sts_type (*user_application)(void); /*!< usb host user application handler */
+ usb_sts_type (*user_active_vbus)(void *uhost, confirm_state state); /*!< usb host user active vbus */
+ usb_sts_type (*user_not_support)(void); /*!< usb host user not support handler */
+} usbh_user_handler_type;
+
+/**
+ * @brief host host core handler type
+ */
+typedef struct
+{
+ usb_reg_type *usb_reg; /*!< usb register pointer */
+
+ uint8_t global_state; /*!< usb host global state machine */
+ uint8_t enum_state; /*!< usb host enumeration state machine */
+ uint8_t req_state; /*!< usb host request state machine */
+
+ usbh_dev_desc_type dev; /*!< usb device descriptor */
+ usbh_ctrl_type ctrl; /*!< usb host control transfer struct */
+
+ usbh_class_handler_type *class_handler; /*!< usb host class handler pointer */
+ usbh_user_handler_type *user_handler; /*!< usb host user handler pointer */
+
+ usb_hch_type hch[USB_HOST_CHANNEL_NUM]; /*!< usb host channel array */
+ uint8_t rx_buffer[USB_MAX_DATA_LENGTH]; /*!< usb host rx buffer */
+
+ uint32_t conn_sts; /*!< connect status */
+ uint32_t port_enable; /*!< port enable status */
+ uint32_t timer; /*!< sof timer */
+
+ uint32_t err_cnt[USB_HOST_CHANNEL_NUM]; /*!< error counter */
+ uint32_t xfer_cnt[USB_HOST_CHANNEL_NUM]; /*!< xfer counter */
+ hch_sts_type hch_state[USB_HOST_CHANNEL_NUM];/*!< channel state */
+ urb_sts_type urb_state[USB_HOST_CHANNEL_NUM];/*!< usb request state */
+ uint16_t channel[USB_HOST_CHANNEL_NUM]; /*!< channel array */
+
+ void *pdata;
+} usbh_core_type;
+
+
+void usbh_free_channel(usbh_core_type *uhost, uint8_t index);
+uint16_t usbh_get_free_channel(usbh_core_type *uhost);
+usb_sts_type usbh_set_toggle(usbh_core_type *uhost, uint8_t hc_num, uint8_t toggle);
+usb_sts_type usbh_in_out_request(usbh_core_type *uhost, uint8_t hc_num);
+usb_sts_type usbh_interrupt_recv(usbh_core_type *uhost, uint8_t hc_num,
+ uint8_t *buffer, uint16_t length);
+usb_sts_type usbh_interrupt_send(usbh_core_type *uhost, uint8_t hc_num,
+ uint8_t *buffer, uint16_t length);
+usb_sts_type usbh_bulk_recv(usbh_core_type *uhost, uint8_t hc_num,
+ uint8_t *buffer, uint16_t length);
+usb_sts_type usbh_bulk_send(usbh_core_type *uhost, uint8_t hc_num,
+ uint8_t *buffer, uint16_t length);
+usb_sts_type usbh_isoc_send(usbh_core_type *uhost, uint8_t hc_num,
+ uint8_t *buffer, uint16_t length);
+usb_sts_type usbh_isoc_recv(usbh_core_type *uhost, uint8_t hc_num,
+ uint8_t *buffer, uint16_t length);
+usb_sts_type usbh_cfg_default_init(usbh_core_type *uhost);
+void usbh_enter_suspend(usbh_core_type *uhost);
+void usbh_resume(usbh_core_type *uhost);
+
+uint16_t usbh_alloc_channel(usbh_core_type *uhost, uint8_t ept_addr);
+urb_sts_type usbh_get_urb_status(usbh_core_type *uhost, uint8_t ch_num);
+usb_sts_type usbh_ctrl_result_check(usbh_core_type *uhost,
+ ctrl_ept0_sts_type next_ctrl_state,
+ uint8_t next_enum_state);
+uint8_t usbh_alloc_address(void);
+void usbh_reset_port(usbh_core_type *uhost);
+usb_sts_type usbh_loop_handler(usbh_core_type *uhost);
+void usbh_ch_disable(usbh_core_type *uhost, uint8_t chn);
+void usbh_hc_open(usbh_core_type *uhost,
+ uint8_t chn,
+ uint8_t ept_num,
+ uint8_t dev_address,
+ uint8_t type,
+ uint16_t maxpacket,
+ uint8_t speed);
+void usbh_active_vbus(usbh_core_type *uhost, confirm_state state);
+
+usb_sts_type usbh_core_init(usbh_core_type *uhost,
+ usb_reg_type *usb_reg,
+ uint8_t core_id);
+
+hch_sts_type usbh_get_status(usbh_core_type *uhost, uint8_t ch_num);
+
+#endif
+
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/bsp/at32/libraries/usbfs_library/inc/usbh_ctrl.h b/bsp/at32/libraries/usbfs_library/inc/usbh_ctrl.h
new file mode 100644
index 0000000000..d96a448573
--- /dev/null
+++ b/bsp/at32/libraries/usbfs_library/inc/usbh_ctrl.h
@@ -0,0 +1,98 @@
+/**
+ **************************************************************************
+ * @file usbh_ctrl.h
+ * @brief usb header file
+ **************************************************************************
+ * Copyright notice & Disclaimer
+ *
+ * The software Board Support Package (BSP) that is made available to
+ * download from Artery official website is the copyrighted work of Artery.
+ * Artery authorizes customers to use, copy, and distribute the BSP
+ * software and its related documentation for the purpose of design and
+ * development in conjunction with Artery microcontrollers. Use of the
+ * software is governed by this copyright notice and the following disclaimer.
+ *
+ * THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
+ * GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
+ * TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
+ * STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
+ * INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
+ *
+ **************************************************************************
+ */
+
+/* define to prevent recursive inclusion -------------------------------------*/
+#ifndef __USBH_CTRL_H
+#define __USBH_CTRL_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* includes ------------------------------------------------------------------*/
+#include "usbh_core.h"
+
+/** @addtogroup USBH_drivers_control
+ * @{
+ */
+
+/** @defgroup USBH_ctrl_exported_types
+ * @{
+ */
+
+usb_sts_type usbh_ctrl_send_setup(usbh_core_type *uhost, uint8_t *buffer, uint8_t hc_num);
+usb_sts_type usbh_ctrl_recv_data(usbh_core_type *uhost, uint8_t *buffer,
+ uint16_t length, uint16_t hc_num);
+usb_sts_type usbh_ctrl_send_data(usbh_core_type *uhost, uint8_t *buffer,
+ uint16_t length, uint16_t hc_num);
+usb_sts_type usbh_ctrl_setup_handler(usbh_core_type *uhost);
+usb_sts_type usbh_ctrl_setup_wait_handler(usbh_core_type *uhost, uint32_t *timeout);
+usb_sts_type usbh_ctrl_data_in_handler(usbh_core_type *uhost);
+usb_sts_type usbh_ctrl_data_in_wait_handler(usbh_core_type *uhost, uint32_t timeout);
+usb_sts_type usbh_ctrl_data_out_handler(usbh_core_type *uhost);
+usb_sts_type usbh_ctrl_data_out_wait_handler(usbh_core_type *uhost, uint32_t timeout);
+usb_sts_type usbh_ctrl_status_in_handler(usbh_core_type *uhost);
+usb_sts_type usbh_ctrl_status_in_wait_handler(usbh_core_type *uhost, uint32_t timeout);
+usb_sts_type usbh_ctrl_status_out_handler(usbh_core_type *uhost);
+usb_sts_type usbh_ctrl_status_out_wait_handler(usbh_core_type *uhost, uint32_t timeout);
+usb_sts_type usbh_ctrl_error_handler(usbh_core_type *uhost);
+usb_sts_type usbh_ctrl_stall_handler(usbh_core_type *uhost);
+usb_sts_type usbh_ctrl_complete_handler(usbh_core_type *uhost);
+usb_sts_type usbh_ctrl_transfer_loop(usbh_core_type *uhost);
+usb_sts_type usbh_ctrl_request(usbh_core_type *uhost, uint8_t *buffer, uint16_t length);
+usb_sts_type usbh_get_descriptor(usbh_core_type *uhost, uint16_t length,
+ uint8_t req_type, uint16_t wvalue,
+ uint8_t *buffer);
+void usbh_parse_dev_desc(usbh_core_type *uhost, uint8_t *buffer, uint16_t length);
+usb_header_desc_type *usbh_get_next_header(uint8_t *buf, uint16_t *index_len);
+void usbh_parse_interface_desc(usb_interface_desc_type *intf, uint8_t *buf);
+void usbh_parse_endpoint_desc(usb_endpoint_desc_type *ept_desc, uint8_t *buf);
+usb_sts_type usbh_parse_configure_desc(usbh_core_type *uhost,
+ uint8_t *buffer, uint16_t length);
+uint8_t usbh_find_interface(usbh_core_type *uhost, uint8_t class_code, uint8_t sub_class, uint8_t protocol);
+void usbh_parse_string_desc(uint8_t *src, uint8_t *dest, uint16_t length);
+usb_sts_type usbh_get_device_descriptor(usbh_core_type *uhost, uint16_t length);
+usb_sts_type usbh_get_configure_descriptor(usbh_core_type *uhost, uint16_t length);
+usb_sts_type usbh_get_sting_descriptor(usbh_core_type *uhost, uint8_t string_id,
+ uint8_t *buffer, uint16_t length);
+usb_sts_type usbh_set_configuration(usbh_core_type *uhost, uint16_t config);
+usb_sts_type usbh_set_address(usbh_core_type *uhost, uint8_t address);
+usb_sts_type usbh_set_interface(usbh_core_type *uhost, uint8_t ept_num, uint8_t altsetting);
+usb_sts_type usbh_set_feature(usbh_core_type *uhost, uint8_t feature, uint16_t index);
+usb_sts_type usbh_clear_dev_feature(usbh_core_type *uhost, uint8_t feature, uint16_t index);
+usb_sts_type usbh_clear_ept_feature(usbh_core_type *uhost, uint8_t ept_num, uint8_t hc_num);
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/bsp/at32/libraries/usbfs_library/inc/usbh_int.h b/bsp/at32/libraries/usbfs_library/inc/usbh_int.h
new file mode 100644
index 0000000000..fac3c575e5
--- /dev/null
+++ b/bsp/at32/libraries/usbfs_library/inc/usbh_int.h
@@ -0,0 +1,71 @@
+/**
+ **************************************************************************
+ * @file usbh_int.h
+ * @brief usb header file
+ **************************************************************************
+ * Copyright notice & Disclaimer
+ *
+ * The software Board Support Package (BSP) that is made available to
+ * download from Artery official website is the copyrighted work of Artery.
+ * Artery authorizes customers to use, copy, and distribute the BSP
+ * software and its related documentation for the purpose of design and
+ * development in conjunction with Artery microcontrollers. Use of the
+ * software is governed by this copyright notice and the following disclaimer.
+ *
+ * THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
+ * GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
+ * TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
+ * STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
+ * INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
+ *
+ **************************************************************************
+ */
+
+/* define to prevent recursive inclusion -------------------------------------*/
+#ifndef __USBH_INT_H
+#define __USBH_INT_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* includes ------------------------------------------------------------------*/
+#include "usbh_core.h"
+#include "usb_core.h"
+
+/** @addtogroup USBH_drivers_int
+ * @{
+ */
+
+/** @defgroup USBH_interrupt_exported_types
+ * @{
+ */
+
+void usbh_irq_handler(otg_core_type *hdev);
+void usbh_hch_handler(usbh_core_type *uhost);
+void usbh_port_handler(usbh_core_type *uhost);
+void usbh_disconnect_handler(usbh_core_type *uhost);
+void usbh_hch_in_handler(usbh_core_type *uhost, uint8_t chn);
+void usbh_hch_out_handler(usbh_core_type *uhost, uint8_t chn);
+void usbh_rx_qlvl_handler(usbh_core_type *uhost);
+void usbh_wakeup_handler(usbh_core_type *uhost);
+void usbh_sof_handler(usbh_core_type *uhost);
+void usbh_connect_callback(usbh_core_type *uhost);
+void usbh_disconnect_callback(usbh_core_type *uhost);
+void usbd_notify_urbchange_callback(usbh_core_type *uhost, uint8_t chnum, urb_sts_type sts);
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
diff --git a/bsp/at32/libraries/usbfs_library/src/usb_core.c b/bsp/at32/libraries/usbfs_library/src/usb_core.c
new file mode 100644
index 0000000000..6145988f25
--- /dev/null
+++ b/bsp/at32/libraries/usbfs_library/src/usb_core.c
@@ -0,0 +1,171 @@
+/**
+ **************************************************************************
+ * @file usb_core.c
+ * @brief usb driver
+ **************************************************************************
+ * Copyright notice & Disclaimer
+ *
+ * The software Board Support Package (BSP) that is made available to
+ * download from Artery official website is the copyrighted work of Artery.
+ * Artery authorizes customers to use, copy, and distribute the BSP
+ * software and its related documentation for the purpose of design and
+ * development in conjunction with Artery microcontrollers. Use of the
+ * software is governed by this copyright notice and the following disclaimer.
+ *
+ * THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
+ * GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
+ * TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
+ * STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
+ * INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
+ *
+ **************************************************************************
+ */
+#include "usb_core.h"
+
+/** @defgroup USB_drivers_core
+ * @brief usb global drivers core
+ * @{
+ */
+
+/** @defgroup USB_core_private_functions
+ * @{
+ */
+
+usb_sts_type usb_core_config(otg_core_type *udev, uint8_t core_id);
+
+/**
+ * @brief usb core config
+ * @param otgdev: to the structure of otg_core_type
+ * @param core_id: usb core id number (USB_FULL_SPEED_CORE_ID)
+ * @retval usb_sts_type
+ */
+usb_sts_type usb_core_config(otg_core_type *otgdev, uint8_t core_id)
+{
+ /* set usb speed and core id */
+ otgdev->cfg.speed = core_id;
+ otgdev->cfg.core_id = core_id;
+
+ /* default sof out and vbus ignore */
+ otgdev->cfg.sof_out = FALSE;
+ otgdev->cfg.vbusig = FALSE;
+
+ /* set max size */
+ otgdev->cfg.max_size = 64;
+
+ /* set support number of channel and endpoint */
+#ifdef USE_OTG_HOST_MODE
+ otgdev->cfg.hc_num = USB_HOST_CHANNEL_NUM;
+#endif
+#ifdef USE_OTG_DEVICE_MODE
+ otgdev->cfg.ept_num = USB_EPT_MAX_NUM;
+#endif
+ otgdev->cfg.fifo_size = OTG_FIFO_SIZE;
+ if(core_id == USB_FULL_SPEED_CORE_ID)
+ {
+ otgdev->cfg.phy_itface = 2;
+ }
+#ifdef USB_SOF_OUTPUT_ENABLE
+ otgdev->cfg.sof_out = TRUE;
+#endif
+
+#ifdef USB_VBUS_IGNORE
+ otgdev->cfg.vbusig = TRUE;
+#endif
+
+ return USB_OK;
+}
+
+#ifdef USE_OTG_DEVICE_MODE
+/**
+ * @brief usb device initialization
+ * @param otgdev: to the structure of otg_core_type
+ * @param core_id: usb core id number (USB_FULL_SPEED_CORE_ID)
+ * @param usb_id: select use OTG1 or OTG2
+ * this parameter can be one of the following values:
+ * - USB_OTG1_ID
+ * - USB_OTG2_ID
+ * @param dev_handler: usb class callback handler
+ * @param desc_handler: device config callback handler
+ * @retval usb_sts_type
+ */
+usb_sts_type usbd_init(otg_core_type *otgdev,
+ uint8_t core_id, uint8_t usb_id)
+{
+ usb_sts_type usb_sts = USB_OK;
+
+ /* select use OTG1 or OTG2 */
+ otgdev->usb_reg = usb_global_select_core(usb_id);
+
+ /* usb device core config */
+ usb_core_config(otgdev, core_id);
+
+ if(otgdev->cfg.sof_out)
+ {
+ otgdev->usb_reg->gccfg_bit.sofouten = TRUE;
+ }
+
+ if(otgdev->cfg.vbusig)
+ {
+ otgdev->usb_reg->gccfg_bit.vbusig = TRUE;
+ }
+
+ /* usb device core init */
+ usbd_core_init(&(otgdev->dev), otgdev->usb_reg,
+ core_id);
+
+ return usb_sts;
+}
+#endif
+
+#ifdef USE_OTG_HOST_MODE
+
+/**
+ * @brief usb host initialization.
+ * @param otgdev: to the structure of otg_core_type
+ * @param core_id: usb core id number (USB_FULL_SPEED_CORE_ID)
+ * @param usb_id: select use OTG1 or OTG2
+ * this parameter can be one of the following values:
+ * - USB_OTG1_ID
+ * - USB_OTG2_ID
+ * @param class_handler: usb class callback handler
+ * @param user_handler: user callback handler
+ * @retval usb_sts_type
+ */
+usb_sts_type usbh_init(otg_core_type *otgdev,
+ uint8_t core_id, uint8_t usb_id)
+{
+ usb_sts_type status = USB_OK;
+
+ /* select use otg1 or otg2 */
+ otgdev->usb_reg = usb_global_select_core(usb_id);
+
+ /* usb core config */
+ usb_core_config(otgdev, core_id);
+
+ if(otgdev->cfg.sof_out)
+ {
+ otgdev->usb_reg->gccfg_bit.sofouten = TRUE;
+ }
+
+ if(otgdev->cfg.vbusig)
+ {
+ otgdev->usb_reg->gccfg_bit.vbusig = TRUE;
+ }
+
+ /* usb host core init */
+ usbh_core_init(&otgdev->host, otgdev->usb_reg,
+ core_id);
+
+ return status;
+}
+#endif
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
diff --git a/bsp/at32/libraries/usbfs_library/src/usbd_core.c b/bsp/at32/libraries/usbfs_library/src/usbd_core.c
new file mode 100644
index 0000000000..09a4259757
--- /dev/null
+++ b/bsp/at32/libraries/usbfs_library/src/usbd_core.c
@@ -0,0 +1,870 @@
+/**
+ **************************************************************************
+ * @file usbd_core.c
+ * @brief usb device driver
+ **************************************************************************
+ * Copyright notice & Disclaimer
+ *
+ * The software Board Support Package (BSP) that is made available to
+ * download from Artery official website is the copyrighted work of Artery.
+ * Artery authorizes customers to use, copy, and distribute the BSP
+ * software and its related documentation for the purpose of design and
+ * development in conjunction with Artery microcontrollers. Use of the
+ * software is governed by this copyright notice and the following disclaimer.
+ *
+ * THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
+ * GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
+ * TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
+ * STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
+ * INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
+ *
+ **************************************************************************
+ */
+
+#include "usb_core.h"
+#include "usbd_core.h"
+#include "usbd_sdr.h"
+
+/** @defgroup USBD_drivers_core
+ * @brief usb device drivers core
+ * @{
+ */
+
+/** @defgroup USBD_core_private_functions
+ * @{
+ */
+
+#ifdef USE_OTG_DEVICE_MODE
+
+/**
+ * @brief usb core in transfer complete handler
+ * @param udev: to the structure of usbd_core_type
+ * @param ept_addr: endpoint number
+ * @retval none
+ */
+void usbd_core_in_handler(usbd_core_type *udev, uint8_t ept_addr)
+{
+ /* get endpoint info*/
+ usb_ept_info *ept_info = &udev->ept_in[ept_addr & 0x7F];
+
+ if(ept_addr == 0)
+ {
+ if(udev->ept0_sts == USB_EPT0_DATA_IN)
+ {
+ if(ept_info->rem0_len > ept_info->maxpacket)
+ {
+ ept_info->rem0_len -= ept_info->maxpacket;
+ usbd_ept_send(udev, 0, ept_info->trans_buf,
+ MIN(ept_info->rem0_len, ept_info->maxpacket));
+ }
+ /* endpoint 0 */
+ else if(ept_info->last_len == ept_info->maxpacket
+ && ept_info->ept0_slen >= ept_info->maxpacket
+ && ept_info->ept0_slen < udev->ept0_wlength)
+ {
+ ept_info->last_len = 0;
+ usbd_ept_send(udev, 0, 0, 0);
+ usbd_ept_recv(udev, ept_addr, 0, 0);
+ }
+ else
+ {
+
+ if(udev->class_handler->ept0_tx_handler != 0 &&
+ udev->conn_state == USB_CONN_STATE_CONFIGURED)
+ {
+ udev->class_handler->ept0_tx_handler(udev);
+ }
+ usbd_ctrl_recv_status(udev);
+
+ }
+ }
+ }
+ else if(udev->class_handler->in_handler != 0 &&
+ udev->conn_state == USB_CONN_STATE_CONFIGURED)
+ {
+ /* other user define endpoint */
+ udev->class_handler->in_handler(udev, ept_addr);
+ }
+}
+
+/**
+ * @brief usb core out transfer complete handler
+ * @param udev: to the structure of usbd_core_type
+ * @param ept_addr: endpoint number
+ * @retval none
+ */
+void usbd_core_out_handler(usbd_core_type *udev, uint8_t ept_addr)
+{
+ /* get endpoint info*/
+ usb_ept_info *ept_info = &udev->ept_out[ept_addr & 0x7F];
+
+ if(ept_addr == 0)
+ {
+ /* endpoint 0 */
+ if(udev->ept0_sts == USB_EPT0_DATA_OUT)
+ {
+ if(ept_info->rem0_len > ept_info->maxpacket)
+ {
+ ept_info->rem0_len -= ept_info->maxpacket;
+ usbd_ept_recv(udev, ept_addr, ept_info->trans_buf,
+ MIN(ept_info->rem0_len, ept_info->maxpacket));
+ }
+ else
+ {
+ if(udev->class_handler->ept0_rx_handler != 0)
+ {
+ udev->class_handler->ept0_rx_handler(udev);
+ }
+ usbd_ctrl_send_status(udev);
+ }
+ }
+ }
+ else if(udev->class_handler->out_handler != 0 &&
+ udev->conn_state == USB_CONN_STATE_CONFIGURED)
+ {
+ /* other user define endpoint */
+ udev->class_handler->out_handler(udev, ept_addr);
+ }
+}
+
+/**
+ * @brief usb core setup transfer complete handler
+ * @param udev: to the structure of usbd_core_type
+ * @param ept_addr: endpoint number
+ * @retval none
+ */
+void usbd_core_setup_handler(usbd_core_type *udev, uint8_t ept_num)
+{
+ /* setup parse */
+ usbd_setup_request_parse(&udev->setup, udev->setup_buffer);
+
+ /* set ept0 status */
+ udev->ept0_sts = USB_EPT0_SETUP;
+ udev->ept0_wlength = udev->setup.wLength;
+
+ switch(udev->setup.bmRequestType & USB_REQ_RECIPIENT_MASK)
+ {
+ case USB_REQ_RECIPIENT_DEVICE:
+ /* recipient device request */
+ usbd_device_request(udev);
+ break;
+ case USB_REQ_RECIPIENT_INTERFACE:
+ /* recipient interface request */
+ usbd_interface_request(udev);
+ break;
+ case USB_REQ_RECIPIENT_ENDPOINT:
+ /* recipient endpoint request */
+ usbd_endpoint_request(udev);
+ break;
+ default:
+ break;
+ }
+}
+
+/**
+ * @brief usb control endpoint send data
+ * @param udev: to the structure of usbd_core_type
+ * @param ept_addr: endpoint number
+ * @param buffer: send data buffer
+ * @param len: send data length
+ * @retval none
+ */
+void usbd_ctrl_send(usbd_core_type *udev, uint8_t *buffer, uint16_t len)
+{
+ usb_ept_info *ept_info = &udev->ept_in[0];
+
+ ept_info->ept0_slen = len;
+ ept_info->rem0_len = len;
+ udev->ept0_sts = USB_EPT0_DATA_IN;
+
+ usbd_ept_send(udev, 0, buffer, len);
+}
+
+/**
+ * @brief usb control endpoint recv data
+ * @param udev: to the structure of usbd_core_type
+ * @param ept_addr: endpoint number
+ * @param buffer: recv data buffer
+ * @param len: recv data length
+ * @retval none
+ */
+void usbd_ctrl_recv(usbd_core_type *udev, uint8_t *buffer, uint16_t len)
+{
+ usb_ept_info *ept_info = &udev->ept_out[0];
+
+ ept_info->ept0_slen = len;
+ ept_info->rem0_len = len;
+ udev->ept0_sts = USB_EPT0_DATA_OUT;
+
+ usbd_ept_recv(udev, 0, buffer, len);
+}
+
+/**
+ * @brief usb control endpoint send in status
+ * @param udev: to the structure of usbd_core_type
+ * @retval none
+ */
+void usbd_ctrl_send_status(usbd_core_type *udev)
+{
+ udev->ept0_sts = USB_EPT0_STATUS_IN;
+
+ usbd_ept_send(udev, 0, 0, 0);
+}
+
+/**
+ * @brief usb control endpoint send out status
+ * @param udev: to the structure of usbd_core_type
+ * @retval none
+ */
+void usbd_ctrl_recv_status(usbd_core_type *udev)
+{
+ udev->ept0_sts = USB_EPT0_STATUS_OUT;
+
+ usbd_ept_recv(udev, 0, 0, 0);
+}
+
+/**
+ * @brief clear endpoint stall
+ * @param udev: to the structure of usbd_core_type
+ * @param ept_addr: endpoint number
+ * @retval none
+ */
+void usbd_clear_stall(usbd_core_type *udev, uint8_t ept_addr)
+{
+ usb_ept_info *ept_info;
+ usb_reg_type *usbx = udev->usb_reg;
+
+ if(ept_addr & 0x80)
+ {
+ /* in endpoint */
+ ept_info = &udev->ept_in[ept_addr & 0x7F];
+ }
+ else
+ {
+ /* out endpoint */
+ ept_info = &udev->ept_out[ept_addr & 0x7F];
+ }
+ usb_ept_clear_stall(usbx, ept_info);
+ ept_info->stall = 0;
+}
+
+/**
+ * @brief usb set endpoint to stall status
+ * @param udev: to the structure of usbd_core_type
+ * @param ept_addr: endpoint number
+ * @retval none
+ */
+void usbd_set_stall(usbd_core_type *udev, uint8_t ept_addr)
+{
+ usb_ept_info *ept_info;
+ usb_reg_type *usbx = udev->usb_reg;
+
+ if(ept_addr & 0x80)
+ {
+ /* in endpoint */
+ ept_info = &udev->ept_in[ept_addr & 0x7F];
+ }
+ else
+ {
+ /* out endpoint */
+ ept_info = &udev->ept_out[ept_addr & 0x7F];
+ }
+ usb_ept_stall(usbx, ept_info);
+
+ ept_info->stall = 1;
+}
+
+/**
+ * @brief un-support device request
+ * @param udev: to the structure of usbd_core_type
+ * @retval none
+ */
+void usbd_ctrl_unsupport(usbd_core_type *udev)
+{
+ /* return stall status */
+ usbd_set_stall(udev, 0x00);
+ usbd_set_stall(udev, 0x80);
+}
+
+/**
+ * @brief get endpoint receive data length
+ * @param udev: to the structure of usbd_core_type
+ * @param ept_addr: endpoint number
+ * @retval data receive len
+ */
+uint32_t usbd_get_recv_len(usbd_core_type *udev, uint8_t ept_addr)
+{
+ usb_ept_info *ept = &udev->ept_out[ept_addr & 0x7F];
+ return ept->trans_len;
+}
+
+/**
+ * @brief usb open endpoint
+ * @param udev: to the structure of usbd_core_type
+ * @param ept_addr: endpoint number
+ * @param ept_type: endpoint type
+ * @param maxpacket: endpoint support max buffer size
+ * @retval none
+ */
+void usbd_ept_open(usbd_core_type *udev, uint8_t ept_addr, uint8_t ept_type, uint16_t maxpacket)
+{
+ usb_reg_type *usbx = udev->usb_reg;
+ usb_ept_info *ept_info;
+
+ if((ept_addr & 0x80) == 0)
+ {
+ /* out endpoint info */
+ ept_info = &udev->ept_out[ept_addr & 0x7F];
+ ept_info->inout = EPT_DIR_OUT;
+ }
+ else
+ {
+ /* in endpoint info */
+ ept_info = &udev->ept_in[ept_addr & 0x7F];
+ ept_info->inout = EPT_DIR_IN;
+ }
+
+ /* set endpoint maxpacket and type */
+ ept_info->maxpacket = maxpacket;
+ ept_info->trans_type = ept_type;
+
+ /* open endpoint */
+ usb_ept_open(usbx, ept_info);
+}
+
+/**
+ * @brief usb close endpoint
+ * @param udev: to the structure of usbd_core_type
+ * @param ept_addr: endpoint number
+ * @retval none
+ */
+void usbd_ept_close(usbd_core_type *udev, uint8_t ept_addr)
+{
+ usb_ept_info *ept_info;
+ if(ept_addr & 0x80)
+ {
+ /* in endpoint */
+ ept_info = &udev->ept_in[ept_addr & 0x7F];
+ }
+ else
+ {
+ /* out endpoint */
+ ept_info = &udev->ept_out[ept_addr & 0x7F];
+ }
+
+ /* close endpoint */
+ usb_ept_close(udev->usb_reg, ept_info);
+}
+
+/**
+ * @brief usb device connect to host
+ * @param udev: to the structure of usbd_core_type
+ * @retval none
+ */
+void usbd_connect(usbd_core_type *udev)
+{
+ usb_connect(udev->usb_reg);
+}
+
+/**
+ * @brief usb device disconnect to host
+ * @param udev: to the structure of usbd_core_type
+ * @retval none
+ */
+void usbd_disconnect(usbd_core_type *udev)
+{
+ usb_disconnect(udev->usb_reg);
+}
+
+/**
+ * @brief usb device set device address.
+ * @param udev: to the structure of usbd_core_type
+ * @param address: host assignment address
+ * @retval none
+ */
+void usbd_set_device_addr(usbd_core_type *udev, uint8_t address)
+{
+ usb_set_address(udev->usb_reg, address);
+}
+
+/**
+ * @brief usb endpoint structure initialization
+ * @param udev: to the structure of usbd_core_type
+ * @retval none
+ */
+void usb_ept_default_init(usbd_core_type *udev)
+{
+ uint8_t i_index = 0;
+ /* init in endpoint info structure */
+ for(i_index = 0; i_index < USB_EPT_MAX_NUM; i_index ++)
+ {
+ udev->ept_in[i_index].eptn = i_index;
+ udev->ept_in[i_index].ept_address = i_index;
+ udev->ept_in[i_index].inout = EPT_DIR_IN;
+ udev->ept_in[i_index].maxpacket = 0;
+ udev->ept_in[i_index].trans_buf = 0;
+ udev->ept_in[i_index].total_len = 0;
+ }
+
+ /* init out endpoint info structure */
+ for(i_index = 0; i_index < USB_EPT_MAX_NUM; i_index ++)
+ {
+ udev->ept_out[i_index].eptn = i_index;
+ udev->ept_out[i_index].ept_address = i_index;
+ udev->ept_out[i_index].inout = EPT_DIR_OUT;
+ udev->ept_out[i_index].maxpacket = 0;
+ udev->ept_out[i_index].trans_buf = 0;
+ udev->ept_out[i_index].total_len = 0;
+ }
+}
+
+/**
+ * @brief endpoint send data
+ * @param udev: to the structure of usbd_core_type
+ * @param ept_addr: endpoint number
+ * @param buffer: send data buffer
+ * @param len: send data length
+ * @retval none
+ */
+void usbd_ept_send(usbd_core_type *udev, uint8_t ept_addr, uint8_t *buffer, uint16_t len)
+{
+ /* get endpoint info struct and register */
+ usb_reg_type *usbx = udev->usb_reg;
+ usb_ept_info *ept_info = &udev->ept_in[ept_addr & 0x7F];
+ otg_eptin_type *ept_in = USB_INEPT(usbx, ept_info->eptn);
+ otg_device_type *dev = OTG_DEVICE(usbx);
+ uint32_t pktcnt;
+
+ /* set send data buffer and length */
+ ept_info->trans_buf = buffer;
+ ept_info->total_len = len;
+ ept_info->trans_len = 0;
+
+ /* transfer data len is zero */
+ if(ept_info->total_len == 0)
+ {
+ ept_in->dieptsiz_bit.pktcnt = 1;
+ ept_in->dieptsiz_bit.xfersize = 0;
+ }
+ else
+ {
+ if((ept_addr & 0x7F) == 0) // endpoint 0
+ {
+ /* endpoint 0 */
+ if(ept_info->total_len > ept_info->maxpacket)
+ {
+ ept_info->total_len = ept_info->maxpacket;
+ }
+
+ /* set transfer size */
+ ept_in->dieptsiz_bit.xfersize = ept_info->total_len;
+
+ /* set packet count */
+ ept_in->dieptsiz_bit.pktcnt = 1;
+
+ ept_info->last_len = ept_info->total_len;
+ }
+ else
+ {
+ /* other endpoint */
+
+ /* packet count */
+ pktcnt = (ept_info->total_len + ept_info->maxpacket - 1) / ept_info->maxpacket;
+
+ /* set transfer size */
+ ept_in->dieptsiz_bit.xfersize = ept_info->total_len;
+
+ /* set packet count */
+ ept_in->dieptsiz_bit.pktcnt = pktcnt;
+
+ if(ept_info->trans_type == EPT_ISO_TYPE)
+ {
+ ept_in->dieptsiz_bit.mc = 1;
+ }
+ }
+ }
+
+ if(ept_info->trans_type == EPT_ISO_TYPE)
+ {
+ if((dev->dsts_bit.soffn & 0x1) == 0)
+ {
+ ept_in->diepctl_bit.setd1pid = TRUE;
+ }
+ else
+ {
+ ept_in->diepctl_bit.setd0pid = TRUE;
+ }
+ }
+
+ /* clear endpoint nak */
+ ept_in->diepctl_bit.cnak = TRUE;
+
+ /* endpoint enable */
+ ept_in->diepctl_bit.eptena = TRUE;
+
+ if(ept_info->trans_type == EPT_ISO_TYPE)
+ {
+ /* write data to fifo */
+ usb_write_packet(usbx, ept_info->trans_buf, ept_info->eptn, ept_info->total_len);
+ }
+ if(ept_info->trans_type != EPT_ISO_TYPE)
+ {
+ if(ept_info->total_len > 0)
+ {
+ /* set in endpoint tx fifo empty interrupt mask */
+ dev->diepempmsk |= 1 << ept_info->eptn;
+ }
+ }
+}
+
+/**
+ * @brief endpoint receive data
+ * @param udev: to the structure of usbd_core_type
+ * @param ept_addr: endpoint number
+ * @param buffer: receive data buffer
+ * @param len: receive data length
+ * @retval none
+ */
+void usbd_ept_recv(usbd_core_type *udev, uint8_t ept_addr, uint8_t *buffer, uint16_t len)
+{
+ /* get endpoint info struct and register */
+ usb_reg_type *usbx = udev->usb_reg;
+ usb_ept_info *ept_info = &udev->ept_out[ept_addr & 0x7F];
+ otg_eptout_type *ept_out = USB_OUTEPT(usbx, ept_info->eptn);
+ otg_device_type *dev = OTG_DEVICE(usbx);
+ uint32_t pktcnt;
+
+ /* set receive data buffer and length */
+ ept_info->trans_buf = buffer;
+ ept_info->total_len = len;
+ ept_info->trans_len = 0;
+
+ if((ept_addr & 0x7F) == 0)
+ {
+ /* endpoint 0 */
+ ept_info->total_len = ept_info->maxpacket;
+ }
+
+ if(ept_info->total_len == 0 || ((ept_addr & 0x7F) == 0))
+ {
+ /* set transfer size */
+ ept_out->doeptsiz_bit.xfersize = ept_info->maxpacket;
+
+ /* set packet count */
+ ept_out->doeptsiz_bit.pktcnt = 1;
+ }
+ else
+ {
+ pktcnt = (ept_info->total_len + ept_info->maxpacket - 1) / ept_info->maxpacket;
+
+ /* set transfer size */
+ ept_out->doeptsiz_bit.xfersize = ept_info->maxpacket * pktcnt;
+
+ /* set packet count */
+ ept_out->doeptsiz_bit.pktcnt = pktcnt;
+ }
+
+ if(ept_info->trans_type == EPT_ISO_TYPE)
+ {
+ if((dev->dsts_bit.soffn & 0x01) == 0)
+ {
+ ept_out->doepctl_bit.setd1pid = TRUE;
+ }
+ else
+ {
+ ept_out->doepctl_bit.setd0pid = TRUE;
+ }
+ }
+
+ /* clear endpoint nak */
+ ept_out->doepctl_bit.cnak = TRUE;
+
+ /* endpoint enable */
+ ept_out->doepctl_bit.eptena = TRUE;
+}
+
+/**
+ * @brief get usb connect state
+ * @param udev: to the structure of usbd_core_type
+ * @retval usb connect state
+ */
+usbd_conn_state usbd_connect_state_get(usbd_core_type *udev)
+{
+ return udev->conn_state;
+}
+
+/**
+ * @brief usb device remote wakeup
+ * @param udev: to the structure of usbd_core_type
+ * @retval none
+ */
+void usbd_remote_wakeup(usbd_core_type *udev)
+{
+ /* check device is in suspend mode */
+ if(usb_suspend_status_get(udev->usb_reg) == 1)
+ {
+ /* set connect state */
+ udev->conn_state = udev->old_conn_state;
+
+ /* open phy clock */
+ usb_open_phy_clk(udev->usb_reg);
+
+ /* set remote wakeup */
+ usb_remote_wkup_set(udev->usb_reg);
+
+ /* delay 10 ms */
+ rt_thread_mdelay(10);
+
+ /* clear remote wakup */
+ usb_remote_wkup_clear(udev->usb_reg);
+ }
+}
+
+/**
+ * @brief usb device enter suspend mode
+ * @param udev: to the structure of usbd_core_type
+ * @retval none
+ */
+void usbd_enter_suspend(usbd_core_type *udev)
+{
+ /* check device is in suspend mode */
+ if(usb_suspend_status_get(udev->usb_reg) == 1)
+ {
+ /* stop phy clk */
+ usb_stop_phy_clk(udev->usb_reg);
+ }
+}
+
+/**
+ * @brief usb device flush in endpoint fifo
+ * @param udev: to the structure of usbd_core_type
+ * @param ept_num: endpoint number
+ * @retval none
+ */
+void usbd_flush_tx_fifo(usbd_core_type *udev, uint8_t ept_num)
+{
+ /* flush endpoint tx fifo */
+ usb_flush_tx_fifo(udev->usb_reg, ept_num & 0x1F);
+}
+
+/**
+ * @brief usb device endpoint fifo alloc
+ * @param udev: to the structure of usbd_core_type
+ * @retval none
+ */
+void usbd_fifo_alloc(usbd_core_type *udev)
+{
+ usb_reg_type *usbx = udev->usb_reg;
+
+ if(usbx == OTG1_GLOBAL)
+ {
+ /* set receive fifo size */
+ usb_set_rx_fifo(usbx, USBD_RX_SIZE);
+
+ /* set endpoint0 tx fifo size */
+ usb_set_tx_fifo(usbx, USB_EPT0, USBD_EP0_TX_SIZE);
+
+ /* set endpoint1 tx fifo size */
+ usb_set_tx_fifo(usbx, USB_EPT1, USBD_EP1_TX_SIZE);
+
+ /* set endpoint2 tx fifo size */
+ usb_set_tx_fifo(usbx, USB_EPT2, USBD_EP2_TX_SIZE);
+
+ /* set endpoint3 tx fifo size */
+ usb_set_tx_fifo(usbx, USB_EPT3, USBD_EP3_TX_SIZE);
+#if (USB_EPT_MAX_NUM == 8)
+ if(USB_EPT_MAX_NUM == 8)
+ {
+ /* set endpoint4 tx fifo size */
+ usb_set_tx_fifo(usbx, USB_EPT4, USBD_EP4_TX_SIZE);
+
+ /* set endpoint5 tx fifo size */
+ usb_set_tx_fifo(usbx, USB_EPT5, USBD_EP5_TX_SIZE);
+
+ /* set endpoint6 tx fifo size */
+ usb_set_tx_fifo(usbx, USB_EPT6, USBD_EP6_TX_SIZE);
+
+ /* set endpoint7 tx fifo size */
+ usb_set_tx_fifo(usbx, USB_EPT7, USBD_EP7_TX_SIZE);
+ }
+#endif
+ }
+#ifdef OTG2_GLOBAL
+ if(usbx == OTG2_GLOBAL)
+ {
+ /* set receive fifo size */
+ usb_set_rx_fifo(usbx, USBD2_RX_SIZE);
+
+ /* set endpoint0 tx fifo size */
+ usb_set_tx_fifo(usbx, USB_EPT0, USBD2_EP0_TX_SIZE);
+
+ /* set endpoint1 tx fifo size */
+ usb_set_tx_fifo(usbx, USB_EPT1, USBD2_EP1_TX_SIZE);
+
+ /* set endpoint2 tx fifo size */
+ usb_set_tx_fifo(usbx, USB_EPT2, USBD2_EP2_TX_SIZE);
+
+ /* set endpoint3 tx fifo size */
+ usb_set_tx_fifo(usbx, USB_EPT3, USBD2_EP3_TX_SIZE);
+
+ if(USB_EPT_MAX_NUM == 8)
+ {
+ /* set endpoint4 tx fifo size */
+ usb_set_tx_fifo(usbx, USB_EPT4, USBD2_EP4_TX_SIZE);
+
+ /* set endpoint5 tx fifo size */
+ usb_set_tx_fifo(usbx, USB_EPT5, USBD2_EP5_TX_SIZE);
+
+ /* set endpoint6 tx fifo size */
+ usb_set_tx_fifo(usbx, USB_EPT6, USBD2_EP6_TX_SIZE);
+
+ /* set endpoint7 tx fifo size */
+ usb_set_tx_fifo(usbx, USB_EPT7, USBD2_EP7_TX_SIZE);
+ }
+ }
+#endif
+}
+
+/**
+ * @brief usb device core initialization
+ * @param udev: to the structure of usbd_core_type
+ * @param usb_reg: usb otgfs peripheral global register
+ * this parameter can be one of the following values:
+ * OTG1_GLOBAL , OTG2_GLOBAL
+ * @param class_handler: usb class handler
+ * @param desc_handler: device config handler
+ * @param core_id: usb core id number
+ * @retval usb_sts_type
+ */
+usb_sts_type usbd_core_init(usbd_core_type *udev,
+ usb_reg_type *usb_reg,
+ uint8_t core_id)
+{
+ usb_reg_type *usbx;
+ otg_device_type *dev;
+ otg_eptin_type *ept_in;
+ otg_eptout_type *ept_out;
+ uint32_t i_index;
+
+ udev->usb_reg = usb_reg;
+ usbx = usb_reg;
+ dev = OTG_DEVICE(usbx);
+
+ /* set connect state */
+ udev->conn_state = USB_CONN_STATE_DEFAULT;
+
+ /* device class config */
+ udev->device_addr = 0;
+ /* set device disconnect */
+ usbd_disconnect(udev);
+
+ /* set endpoint to default status */
+ usb_ept_default_init(udev);
+
+ /* disable usb global interrupt */
+ usb_interrupt_disable(usbx);
+
+ /* init global register */
+ usb_global_init(usbx);
+
+ /* set device mode */
+ usb_global_set_mode(usbx, OTG_DEVICE_MODE);
+
+ /* open phy clock */
+ usb_open_phy_clk(udev->usb_reg);
+
+ /* set periodic frame interval */
+ dev->dcfg_bit.perfrint = DCFG_PERFRINT_80;
+
+ /* set device speed to full-speed */
+ dev->dcfg_bit.devspd = USB_DCFG_FULL_SPEED;
+
+ /* flush all tx fifo */
+ usb_flush_tx_fifo(usbx, 16);
+
+ /* flush share rx fifo */
+ usb_flush_rx_fifo(usbx);
+
+ /* clear all endpoint interrupt flag and mask */
+ dev->daint = 0xFFFFFFFF;
+ dev->daintmsk = 0;
+ dev->diepmsk = 0;
+ dev->doepmsk = 0;
+
+ for(i_index = 0; i_index < USB_EPT_MAX_NUM; i_index ++)
+ {
+ usbx->dieptxfn[i_index] = 0;
+ }
+
+ /* endpoint fifo alloc */
+ usbd_fifo_alloc(udev);
+
+ /* disable all in endpoint */
+ for(i_index = 0; i_index < USB_EPT_MAX_NUM; i_index ++)
+ {
+ ept_in = USB_INEPT(usbx, i_index);
+ if(ept_in->diepctl_bit.eptena)
+ {
+ ept_in->diepctl = 0;
+ ept_in->diepctl_bit.eptdis = TRUE;
+ ept_in->diepctl_bit.snak = TRUE;
+ }
+ else
+ {
+ ept_in->diepctl = 0;
+ }
+ ept_in->dieptsiz = 0;
+ ept_in->diepint = 0xFF;
+ }
+
+ /* disable all out endpoint */
+ for(i_index = 0; i_index < USB_EPT_MAX_NUM; i_index ++)
+ {
+ ept_out = USB_OUTEPT(usbx, i_index);
+ if(ept_out->doepctl_bit.eptena)
+ {
+ ept_out->doepctl = 0;
+ ept_out->doepctl_bit.eptdis = TRUE;
+ ept_out->doepctl_bit.snak = TRUE;
+ }
+ else
+ {
+ ept_out->doepctl = 0;
+ }
+ ept_out->doeptsiz = 0;
+ ept_out->doepint = 0xFF;
+ }
+ dev->diepmsk_bit.txfifoudrmsk = TRUE;
+
+ /* clear global interrupt and mask */
+ usbx->gintmsk = 0;
+ usbx->gintsts = 0xBFFFFFFF;
+
+ /* enable global interrupt mask */
+ usbx->gintmsk = USB_OTG_SOF_INT | USB_OTG_RXFLVL_INT |
+ USB_OTG_USBSUSP_INT | USB_OTG_USBRST_INT |
+ USB_OTG_ENUMDONE_INT | USB_OTG_IEPT_INT |
+ USB_OTG_OEPT_INT | USB_OTG_INCOMISOIN_INT |
+ USB_OTG_INCOMPIP_INCOMPISOOUT_INT | USB_OTG_WKUP_INT |
+ USB_OTG_OTGINT_INT;
+
+ /* usb connect */
+ usbd_connect(udev);
+
+ /* enable global interrupt */
+ usb_interrupt_enable(usbx);
+
+ return USB_OK;
+
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+#endif
diff --git a/bsp/at32/libraries/usbfs_library/src/usbd_int.c b/bsp/at32/libraries/usbfs_library/src/usbd_int.c
new file mode 100644
index 0000000000..3f69c1e850
--- /dev/null
+++ b/bsp/at32/libraries/usbfs_library/src/usbd_int.c
@@ -0,0 +1,560 @@
+/**
+ **************************************************************************
+ * @file usbd_int.c
+ * @brief usb interrupt request
+ **************************************************************************
+ * Copyright notice & Disclaimer
+ *
+ * The software Board Support Package (BSP) that is made available to
+ * download from Artery official website is the copyrighted work of Artery.
+ * Artery authorizes customers to use, copy, and distribute the BSP
+ * software and its related documentation for the purpose of design and
+ * development in conjunction with Artery microcontrollers. Use of the
+ * software is governed by this copyright notice and the following disclaimer.
+ *
+ * THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
+ * GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
+ * TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
+ * STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
+ * INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
+ *
+ **************************************************************************
+ */
+#include "usbd_int.h"
+
+/** @defgroup USBD_drivers_interrupt
+ * @brief usb device interrupt
+ * @{
+ */
+
+/** @defgroup USBD_int_private_functions
+ * @{
+ */
+
+#ifdef USE_OTG_DEVICE_MODE
+
+/**
+ * @brief usb device interrput request handler.
+ * @param otgdev: to the structure of otg_core_type
+ * @retval none
+ */
+void usbd_irq_handler(otg_core_type *otgdev)
+{
+ otg_global_type *usbx = otgdev->usb_reg;
+ usbd_core_type *udev = &otgdev->dev;
+ uint32_t intsts = usb_global_get_all_interrupt(usbx);
+
+ /* check current device mode */
+ if(usbx->gintsts_bit.curmode == 0)
+ {
+ /* mode mismatch interrupt */
+ if(intsts & USB_OTG_MODEMIS_FLAG)
+ {
+ usb_global_clear_interrupt(usbx, USB_OTG_MODEMIS_FLAG);
+ }
+
+ /* in endpoint interrupt */
+ if(intsts & USB_OTG_IEPT_FLAG)
+ {
+ usbd_inept_handler(udev);
+ }
+
+ /* out endpoint interrupt */
+ if(intsts & USB_OTG_OEPT_FLAG)
+ {
+ usbd_outept_handler(udev);
+ }
+
+ /* usb reset interrupt */
+ if(intsts & USB_OTG_USBRST_FLAG)
+ {
+ usbd_reset_handler(udev);
+ usbd_connectCallback(udev);
+ usb_global_clear_interrupt(usbx, USB_OTG_USBRST_FLAG);
+ }
+
+ /* sof interrupt */
+ if(intsts & USB_OTG_SOF_FLAG)
+ {
+ usbd_sof_handler(udev);
+ usbd_sof_callback(udev);
+ usb_global_clear_interrupt(usbx, USB_OTG_SOF_FLAG);
+ }
+
+ /* enumeration done interrupt */
+ if(intsts & USB_OTG_ENUMDONE_FLAG)
+ {
+ usbd_enumdone_handler(udev);
+ usb_global_clear_interrupt(usbx, USB_OTG_ENUMDONE_FLAG);
+ }
+
+ /* rx non-empty interrupt, indicates that there is at least one
+ data packet pending to be read in rx fifo */
+ if(intsts & USB_OTG_RXFLVL_FLAG)
+ {
+ usbd_rxflvl_handler(udev);
+ }
+
+ /* incomplete isochronous in transfer interrupt */
+ if(intsts & USB_OTG_INCOMISOIN_FLAG)
+ {
+ usbd_incomisioin_handler(udev);
+ usb_global_clear_interrupt(usbx, USB_OTG_INCOMISOIN_FLAG);
+ }
+ #ifndef USB_VBUS_IGNORE
+ /* disconnect detected interrupt */
+ if(intsts & USB_OTG_OTGINT_FLAG)
+ {
+ uint32_t tmp = udev->usb_reg->gotgint;
+ if(udev->usb_reg->gotgint_bit.sesenddet)
+ usbd_disconnectCallback(udev);
+ udev->usb_reg->gotgint = tmp;
+ usb_global_clear_interrupt(usbx, USB_OTG_OTGINT_FLAG);
+ }
+#endif
+ /* incomplete isochronous out transfer interrupt */
+ if(intsts & USB_OTG_INCOMPIP_INCOMPISOOUT_FLAG)
+ {
+ usbd_incomisoout_handler(udev);
+ usb_global_clear_interrupt(usbx, USB_OTG_INCOMPIP_INCOMPISOOUT_FLAG);
+ }
+
+ /* resume/remote wakeup interrupt */
+ if(intsts & USB_OTG_WKUP_FLAG)
+ {
+ usbd_wakeup_handler(udev);
+ usb_global_clear_interrupt(usbx, USB_OTG_WKUP_FLAG);
+ }
+
+ /* usb suspend interrupt */
+ if(intsts & USB_OTG_USBSUSP_FLAG)
+ {
+ usbd_suspend_handler(udev);
+ usb_global_clear_interrupt(usbx, USB_OTG_USBSUSP_FLAG);
+ }
+ }
+}
+
+/**
+ * @brief usb write tx fifo.
+ * @param udev: to the structure of usbd_core_type
+ * @param ept_num: endpoint number
+ * @retval none
+ */
+void usb_write_empty_txfifo(usbd_core_type *udev, uint32_t ept_num)
+{
+ otg_global_type *usbx = udev->usb_reg;
+ usb_ept_info *ept_info = &udev->ept_in[ept_num];
+ uint32_t length = ept_info->total_len - ept_info->trans_len;
+ uint32_t wlen = 0;
+
+ if(length > ept_info->maxpacket)
+ {
+ length = ept_info->maxpacket;
+ }
+ wlen = (length + 3) / 4;
+
+ while((USB_INEPT(usbx, ept_num)->dtxfsts & USB_OTG_DTXFSTS_INEPTFSAV) > wlen &&
+ (ept_info->trans_len < ept_info->total_len) && (ept_info->total_len != 0))
+ {
+ length = ept_info->total_len - ept_info->trans_len;
+ if(length > ept_info->maxpacket)
+ {
+ length = ept_info->maxpacket;
+ }
+ wlen = (length + 3) / 4;
+ usb_write_packet(usbx, ept_info->trans_buf, ept_num, length);
+
+ ept_info->trans_buf += length;
+ ept_info->trans_len += length;
+
+ }
+ if(length <= 0)
+ {
+ OTG_DEVICE(usbx)->diepempmsk &= ~(0x1 << ept_num);
+ }
+}
+
+
+/**
+ * @brief usb in endpoint handler
+ * @param udev: to the structure of usbd_core_type
+ * @retval none
+ */
+void usbd_inept_handler(usbd_core_type *udev)
+{
+ otg_global_type *usbx = udev->usb_reg;
+ uint32_t ept_num = 0, ept_int;
+ uint32_t intsts;
+
+ /*get all endpoint interrut */
+ intsts = usb_get_all_in_interrupt(usbx);
+ while(intsts)
+ {
+ if(intsts & 0x1)
+ {
+ /* get endpoint interrupt flag */
+ ept_int = usb_ept_in_interrupt(usbx, ept_num);
+
+ /* transfer completed interrupt */
+ if(ept_int & USB_OTG_DIEPINT_XFERC_FLAG)
+ {
+ OTG_DEVICE(usbx)->diepempmsk &= ~(1 << ept_num);
+ usb_ept_in_clear(usbx, ept_num , USB_OTG_DIEPINT_XFERC_FLAG);
+ usbd_data_in_stage_callback(udev, ept_num);
+ }
+
+ /* timeout condition interrupt */
+ if(ept_int & USB_OTG_DIEPINT_TIMEOUT_FLAG)
+ {
+ usb_ept_in_clear(usbx, ept_num , USB_OTG_DIEPINT_TIMEOUT_FLAG);
+ }
+
+ /* in token received when tx fifo is empty */
+ if(ept_int & USB_OTG_DIEPINT_INTKNTXFEMP_FLAG)
+ {
+ usb_ept_in_clear(usbx, ept_num , USB_OTG_DIEPINT_INTKNTXFEMP_FLAG);
+ }
+
+ /* in endpoint nak effective */
+ if(ept_int & USB_OTG_DIEPINT_INEPTNAK_FLAG)
+ {
+ usb_ept_in_clear(usbx, ept_num , USB_OTG_DIEPINT_INEPTNAK_FLAG);
+ }
+
+ /* endpoint disable interrupt */
+ if(ept_int & USB_OTG_DIEPINT_EPTDISD_FLAG)
+ {
+ usb_ept_in_clear(usbx, ept_num , USB_OTG_DIEPINT_EPTDISD_FLAG);
+ }
+
+ /* transmit fifo empty interrupt */
+ if(ept_int & USB_OTG_DIEPINT_TXFEMP_FLAG)
+ {
+ usb_write_empty_txfifo(udev, ept_num);
+ }
+ }
+ ept_num ++;
+ intsts >>= 1;
+ }
+}
+
+/**
+ * @brief usb out endpoint handler
+ * @param udev: to the structure of usbd_core_type
+ * @retval none
+ */
+void usbd_outept_handler(usbd_core_type *udev)
+{
+ otg_global_type *usbx = udev->usb_reg;
+ uint32_t ept_num = 0, ept_int;
+ uint32_t intsts;
+
+ /* get all out endpoint interrupt */
+ intsts = usb_get_all_out_interrupt(usbx);
+
+ while(intsts)
+ {
+ if(intsts & 0x1)
+ {
+ /* get out endpoint interrupt */
+ ept_int = usb_ept_out_interrupt(usbx, ept_num);
+
+ /* transfer completed interrupt */
+ if(ept_int & USB_OTG_DOEPINT_XFERC_FLAG)
+ {
+ usb_ept_out_clear(usbx, ept_num , USB_OTG_DOEPINT_XFERC_FLAG);
+ usbd_data_out_stage_callback(udev, ept_num);
+ }
+
+ /* setup phase done interrupt */
+ if(ept_int & USB_OTG_DOEPINT_SETUP_FLAG)
+ {
+ usb_ept_out_clear(usbx, ept_num , USB_OTG_DOEPINT_SETUP_FLAG);
+
+ usbd_setup_phase_done_callback(udev);
+ if(udev->device_addr != 0)
+ {
+ OTG_DEVICE(udev->usb_reg)->dcfg_bit.devaddr = udev->device_addr;
+ udev->device_addr = 0;
+ }
+ }
+
+ /* endpoint disable interrupt */
+ if(ept_int & USB_OTG_DOEPINT_OUTTEPD_FLAG)
+ {
+ usb_ept_out_clear(usbx, ept_num , USB_OTG_DOEPINT_OUTTEPD_FLAG);
+ }
+ }
+ ept_num ++;
+ intsts >>= 1;
+ }
+}
+
+/**
+ * @brief usb enumeration done handler
+ * @param udev: to the structure of usbd_core_type
+ * @retval none
+ */
+void usbd_enumdone_handler(usbd_core_type *udev)
+{
+ otg_global_type *usbx = udev->usb_reg;
+
+ usb_ept0_setup(usbx);
+
+ usbx->gusbcfg_bit.usbtrdtim = USB_TRDTIM_16;
+
+ /* open endpoint 0 out */
+ usbd_ept_open(udev, 0x00, EPT_CONTROL_TYPE, 0x40);
+
+ /* open endpoint 0 in */
+ usbd_ept_open(udev, 0x80, EPT_CONTROL_TYPE, 0x40);
+
+ /* usb connect state set to default */
+ usbd_reset_callback(udev);
+}
+
+/**
+ * @brief usb rx non-empty handler
+ * @param udev: to the structure of usbd_core_type
+ * @retval none
+ */
+void usbd_rxflvl_handler(usbd_core_type *udev)
+{
+ otg_global_type *usbx = udev->usb_reg;
+ uint32_t stsp;
+ uint32_t count;
+ uint32_t pktsts;
+ usb_ept_info *ept_info;
+
+ /* disable rxflvl interrupt */
+ usb_global_interrupt_enable(usbx, USB_OTG_RXFLVL_INT, FALSE);
+
+ /* get rx status */
+ stsp = usbx->grxstsp;
+
+ /*get the byte count of receive */
+ count = (stsp & USB_OTG_GRXSTSP_BCNT) >> 4;
+
+ /* get packet status */
+ pktsts = (stsp &USB_OTG_GRXSTSP_PKTSTS) >> 17;
+
+ /* get endpoint infomation struct */
+ ept_info = &udev->ept_out[stsp & USB_OTG_GRXSTSP_EPTNUM];
+
+ /* received out data packet */
+ if(pktsts == USB_OUT_STS_DATA)
+ {
+ if(count != 0)
+ {
+ /* read packet to buffer */
+ usb_read_packet(usbx, ept_info->trans_buf, (stsp & USB_OTG_GRXSTSP_EPTNUM), count);
+ ept_info->trans_buf += count;
+ ept_info->trans_len += count;
+
+ }
+ }
+ /* setup data received */
+ else if ( pktsts == USB_SETUP_STS_DATA)
+ {
+ /* read packet to buffer */
+ usb_read_packet(usbx, udev->setup_buffer, (stsp & USB_OTG_GRXSTSP_EPTNUM), count);
+ ept_info->trans_len += count;
+ }
+
+ /* enable rxflvl interrupt */
+ usb_global_interrupt_enable(usbx, USB_OTG_RXFLVL_INT, TRUE);
+
+}
+
+/**
+ * @brief usb disconnect handler
+ * @param udev: to the structure of usbd_core_type
+ * @retval none
+ */
+void usbd_discon_handler(usbd_core_type *udev)
+{
+ /* disconnect callback handler */
+ if(udev->class_handler->event_handler != 0)
+ udev->class_handler->event_handler(udev, USBD_DISCONNECT_EVNET);
+}
+
+
+/**
+ * @brief usb incomplete out handler
+ * @param udev: to the structure of usbd_core_type
+ * @retval none
+ */
+void usbd_incomisoout_handler(usbd_core_type *udev)
+{
+ if(udev->class_handler->event_handler != 0)
+ udev->class_handler->event_handler(udev, USBD_OUTISOINCOM_EVENT);
+}
+
+/**
+ * @brief usb incomplete in handler
+ * @param udev: to the structure of usbd_core_type
+ * @retval none
+ */
+void usbd_incomisioin_handler(usbd_core_type *udev)
+{
+ if(udev->class_handler->event_handler != 0)
+ udev->class_handler->event_handler(udev, USBD_INISOINCOM_EVENT);
+}
+
+/**
+ * @brief usb device reset interrupt request handler.
+ * @param udev: to the structure of usbd_core_type
+ * @retval none
+ */
+void usbd_reset_handler(usbd_core_type *udev)
+{
+ otg_global_type *usbx = udev->usb_reg;
+ otg_device_type *dev = OTG_DEVICE(usbx);
+ uint32_t i_index = 0;
+
+ /* disable remote wakeup singal */
+ dev->dctl_bit.rwkupsig = FALSE;
+
+ /* endpoint fifo alloc */
+ usbd_fifo_alloc(udev);
+
+ /* flush all tx fifo */
+ usb_flush_tx_fifo(usbx, 0x10);
+
+ /* clear in and out endpoint interrupt flag */
+ for(i_index = 0; i_index < USB_EPT_MAX_NUM; i_index ++)
+ {
+ USB_INEPT(usbx, i_index)->diepint = 0xFF;
+ USB_OUTEPT(usbx, i_index)->doepint = 0xFF;
+ }
+
+ /* clear endpoint flag */
+ dev->daint = 0xFFFFFFFF;
+
+ /*clear endpoint interrupt mask */
+ dev->daintmsk = 0x10001;
+
+ /* enable out endpoint xfer, eptdis, setup interrupt mask */
+ dev->doepmsk_bit.xfercmsk = TRUE;
+ dev->doepmsk_bit.eptdismsk = TRUE;
+ dev->doepmsk_bit.setupmsk = TRUE;
+
+ /* enable in endpoint xfer, eptdis, timeout interrupt mask */
+ dev->diepmsk_bit.xfercmsk = TRUE;
+ dev->diepmsk_bit.eptdismsk = TRUE;
+ dev->diepmsk_bit.timeoutmsk = TRUE;
+
+ /* set device address to 0 */
+ usb_set_address(usbx, 0);
+
+ /* enable endpoint 0 */
+ usb_ept0_start(usbx);
+
+ /* usb connect state set to default */
+ udev->conn_state = USB_CONN_STATE_DEFAULT;
+
+ /* user define reset event */
+ if(udev->class_handler->event_handler)
+ udev->class_handler->event_handler(udev, USBD_RESET_EVENT);
+}
+
+/**
+ * @brief usb device sof interrupt request handler.
+ * @param udev: to the structure of usbd_core_type
+ * @retval none
+ */
+void usbd_sof_handler(usbd_core_type *udev)
+{
+ /* user sof handler in class define */
+ if(udev->class_handler->sof_handler)
+ udev->class_handler->sof_handler(udev);
+}
+
+/**
+ * @brief usb device suspend interrupt request handler.
+ * @param udev: to the structure of usbd_core_type
+ * @retval none
+ */
+void usbd_suspend_handler(usbd_core_type *udev)
+{
+ otg_global_type *usbx = udev->usb_reg;
+
+ if(OTG_DEVICE(usbx)->dsts_bit.suspsts)
+ {
+ /* save connect state */
+ udev->old_conn_state = udev->conn_state;
+
+ /* set current state to suspend */
+ udev->conn_state = USB_CONN_STATE_SUSPENDED;
+
+ /* enter suspend mode */
+ usbd_enter_suspend(udev);
+
+ /* user suspend handler */
+ if(udev->class_handler->event_handler != 0)
+ udev->class_handler->event_handler(udev, USBD_SUSPEND_EVENT);
+ }
+}
+
+/**
+ * @brief usb device wakup interrupt request handler.
+ * @param udev: to the structure of usbd_core_type
+ * @retval none
+ */
+void usbd_wakeup_handler(usbd_core_type *udev)
+{
+ otg_global_type *usbx = udev->usb_reg;
+
+ /* clear remote wakeup bit */
+ OTG_DEVICE(usbx)->dctl_bit.rwkupsig = FALSE;
+
+ /* exit suspend mode */
+ usb_open_phy_clk(udev->usb_reg);
+
+ /* restore connect state */
+ udev->conn_state = udev->old_conn_state;
+
+ /* user suspend handler */
+ if(udev->class_handler->event_handler != 0)
+ udev->class_handler->event_handler(udev, USBD_WAKEUP_EVENT);
+}
+
+__weak void usbd_reset_callback(usbd_core_type *udev)
+{
+}
+
+__weak void usbd_setup_phase_done_callback(usbd_core_type *udev)
+{
+}
+
+__weak void usbd_data_in_stage_callback(usbd_core_type *udev, uint32_t ept_num)
+{
+}
+
+__weak void usbd_sof_callback(usbd_core_type *udev)
+{
+}
+
+__weak void usbd_data_out_stage_callback(usbd_core_type *udev, uint32_t ept_num)
+{
+}
+
+__weak void usbd_connectCallback(usbd_core_type *udev)
+{
+}
+
+__weak void usbd_disconnectCallback(usbd_core_type *udev)
+{
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+#endif
diff --git a/bsp/at32/libraries/usbfs_library/src/usbd_sdr.c b/bsp/at32/libraries/usbfs_library/src/usbd_sdr.c
new file mode 100644
index 0000000000..4630ba9177
--- /dev/null
+++ b/bsp/at32/libraries/usbfs_library/src/usbd_sdr.c
@@ -0,0 +1,535 @@
+/**
+ **************************************************************************
+ * @file usbd_sdr.c
+ * @brief usb standard device request
+ **************************************************************************
+ * Copyright notice & Disclaimer
+ *
+ * The software Board Support Package (BSP) that is made available to
+ * download from Artery official website is the copyrighted work of Artery.
+ * Artery authorizes customers to use, copy, and distribute the BSP
+ * software and its related documentation for the purpose of design and
+ * development in conjunction with Artery microcontrollers. Use of the
+ * software is governed by this copyright notice and the following disclaimer.
+ *
+ * THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
+ * GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
+ * TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
+ * STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
+ * INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
+ *
+ **************************************************************************
+ */
+#include "usbd_sdr.h"
+
+/** @addtogroup AT32F435_437_middlewares_usbd_drivers
+ * @{
+ */
+
+/** @defgroup USBD_drivers_standard_request
+ * @brief usb device standard_request
+ * @{
+ */
+
+#ifdef USE_OTG_DEVICE_MODE
+
+/** @defgroup USBD_sdr_private_functions
+ * @{
+ */
+
+static usb_sts_type usbd_get_descriptor(usbd_core_type *udev);
+static usb_sts_type usbd_set_address(usbd_core_type *udev);
+static usb_sts_type usbd_get_status(usbd_core_type *udev);
+static usb_sts_type usbd_clear_feature(usbd_core_type *udev);
+static usb_sts_type usbd_set_feature(usbd_core_type *udev);
+static usb_sts_type usbd_get_configuration(usbd_core_type *udev);
+static usb_sts_type usbd_set_configuration(usbd_core_type *udev);
+
+/**
+ * @brief usb parse standard setup request
+ * @param setup: setup structure
+ * @param buf: setup buffer
+ * @retval none
+ */
+void usbd_setup_request_parse(usb_setup_type *setup, uint8_t *buf)
+{
+ setup->bmRequestType = *(uint8_t *) buf;
+ setup->bRequest = *(uint8_t *) (buf + 1);
+ setup->wValue = SWAPBYTE(buf + 2);
+ setup->wIndex = SWAPBYTE(buf + 4);
+ setup->wLength = SWAPBYTE(buf + 6);
+}
+
+/**
+ * @brief get usb standard device description request
+ * @param udev: to the structure of usbd_core_type
+ * @retval status of usb_sts_type
+ */
+static usb_sts_type usbd_get_descriptor(usbd_core_type *udev)
+{
+ usb_sts_type ret = USB_OK;
+ uint16_t len = 0;
+ usbd_desc_t *desc = NULL;
+ uint8_t desc_type = udev->setup.wValue >> 8;
+ switch(desc_type)
+ {
+ case USB_DESCIPTOR_TYPE_DEVICE:
+ desc = udev->desc_handler->get_device_descriptor();
+ break;
+ case USB_DESCIPTOR_TYPE_CONFIGURATION:
+ desc = udev->desc_handler->get_device_configuration();
+ break;
+ case USB_DESCIPTOR_TYPE_STRING:
+ {
+ uint8_t str_desc = (uint8_t)udev->setup.wValue;
+ switch(str_desc)
+ {
+ case USB_LANGID_STRING:
+ desc = udev->desc_handler->get_device_lang_id();
+ break;
+ case USB_MFC_STRING:
+ desc = udev->desc_handler->get_device_manufacturer_string();
+ break;
+ case USB_PRODUCT_STRING:
+ desc = udev->desc_handler->get_device_product_string();
+ break;
+ case USB_SERIAL_STRING:
+ desc = udev->desc_handler->get_device_serial_string();
+ break;
+ case USB_CONFIG_STRING:
+ desc = udev->desc_handler->get_device_config_string();
+ break;
+ case USB_INTERFACE_STRING:
+ desc = udev->desc_handler->get_device_interface_string();
+ break;
+ default:
+ udev->class_handler->setup_handler(udev, &udev->setup);
+ return ret;
+ }
+ break;
+ }
+ case USB_DESCIPTOR_TYPE_DEVICE_QUALIFIER:
+ usbd_ctrl_unsupport(udev);
+ break;
+ case USB_DESCIPTOR_TYPE_OTHER_SPEED:
+ usbd_ctrl_unsupport(udev);
+ return ret;
+ default:
+ usbd_ctrl_unsupport(udev);
+ return ret;
+ }
+
+ if(desc != NULL)
+ {
+ if((desc->length != 0) && (udev->setup.wLength != 0))
+ {
+ len = MIN(desc->length , udev->setup.wLength);
+ usbd_ctrl_send(udev, desc->descriptor, len);
+ }
+ }
+ return ret;
+}
+
+/**
+ * @brief this request sets the device address
+ * @param udev: to the structure of usbd_core_type
+ * @retval status of usb_sts_type
+ */
+static usb_sts_type usbd_set_address(usbd_core_type *udev)
+{
+ usb_sts_type ret = USB_OK;
+ usb_setup_type *setup = &udev->setup;
+ uint8_t dev_addr;
+
+ /* if wIndex or wLength are non-zero, then the behavior of
+ the device is not specified
+ */
+ if(setup->wIndex == 0 && setup->wLength == 0)
+ {
+ dev_addr = (uint8_t)(setup->wValue) & 0x7f;
+
+ /* device behavior when this request is received
+ while the device is in the configured state is not specified.*/
+ if(udev->conn_state == USB_CONN_STATE_CONFIGURED )
+ {
+ usbd_ctrl_unsupport(udev);
+ }
+ else
+ {
+ udev->device_addr = dev_addr;
+
+ if(dev_addr != 0)
+ {
+ udev->conn_state = USB_CONN_STATE_ADDRESSED;
+ }
+ else
+ {
+ udev->conn_state = USB_CONN_STATE_DEFAULT;
+ }
+ usbd_ctrl_send_status(udev);
+ }
+ }
+ else
+ {
+ usbd_ctrl_unsupport(udev);
+ }
+ return ret;
+}
+
+/**
+ * @brief get usb status request
+ * @param udev: to the structure of usbd_core_type
+ * @retval status of usb_sts_type
+ */
+static usb_sts_type usbd_get_status(usbd_core_type *udev)
+{
+ usb_sts_type ret = USB_OK;
+ switch(udev->conn_state)
+ {
+ case USB_CONN_STATE_ADDRESSED:
+ case USB_CONN_STATE_CONFIGURED:
+ if(udev->remote_wakup)
+ {
+ udev->config_status |= USB_CONF_REMOTE_WAKEUP;
+ }
+ usbd_ctrl_send(udev, (uint8_t *)(&udev->config_status), 2);
+ break;
+ default:
+ usbd_ctrl_unsupport(udev);
+ break;
+ }
+ return ret;
+}
+
+/**
+ * @brief clear usb feature request
+ * @param udev: to the structure of usbd_core_type
+ * @retval status of usb_sts_type
+ */
+static usb_sts_type usbd_clear_feature(usbd_core_type *udev)
+{
+ usb_sts_type ret = USB_OK;
+ usb_setup_type *setup = &udev->setup;
+ switch(udev->conn_state)
+ {
+ case USB_CONN_STATE_ADDRESSED:
+ case USB_CONN_STATE_CONFIGURED:
+ if(setup->wValue == USB_FEATURE_REMOTE_WAKEUP)
+ {
+ udev->remote_wakup = 0;
+ udev->config_status &= ~USB_CONF_REMOTE_WAKEUP;
+ udev->class_handler->setup_handler(udev, &udev->setup);
+ usbd_ctrl_send_status(udev);
+ }
+ break;
+ default:
+ usbd_ctrl_unsupport(udev);
+ break;
+ }
+ return ret;
+}
+
+/**
+ * @brief set usb feature request
+ * @param udev: to the structure of usbd_core_type
+ * @retval status of usb_sts_type
+ */
+static usb_sts_type usbd_set_feature(usbd_core_type *udev)
+{
+ usb_sts_type ret = USB_OK;
+ usb_setup_type *setup = &udev->setup;
+ if(setup->wValue == USB_FEATURE_REMOTE_WAKEUP)
+ {
+ udev->remote_wakup = 1;
+ udev->class_handler->setup_handler(udev, &udev->setup);
+ usbd_ctrl_send_status(udev);
+ }
+ return ret;
+}
+
+/**
+ * @brief get usb configuration request
+ * @param udev: to the structure of usbd_core_type
+ * @retval status of usb_sts_type
+ */
+static usb_sts_type usbd_get_configuration(usbd_core_type *udev)
+{
+ usb_sts_type ret = USB_OK;
+ usb_setup_type *setup = &udev->setup;
+ if(setup->wLength != 1)
+ {
+ usbd_ctrl_unsupport(udev);
+ }
+ else
+ {
+ switch(udev->conn_state)
+ {
+ case USB_CONN_STATE_ADDRESSED:
+ udev->default_config = 0;
+ usbd_ctrl_send(udev, (uint8_t *)(&udev->default_config), 1);
+ break;
+ case USB_CONN_STATE_CONFIGURED:
+ usbd_ctrl_send(udev, (uint8_t *)(&udev->dev_config), 1);
+ break;
+ default:
+ usbd_ctrl_unsupport(udev);
+ break;
+ }
+ }
+ return ret;
+}
+
+/**
+ * @brief sets the usb device configuration request
+ * @param udev: to the structure of usbd_core_type
+ * @retval status of usb_sts_type
+ */
+static usb_sts_type usbd_set_configuration(usbd_core_type *udev)
+{
+ usb_sts_type ret = USB_OK;
+ static uint8_t config_value;
+ usb_setup_type *setup = &udev->setup;
+ config_value = (uint8_t)setup->wValue;
+
+ if(setup->wIndex == 0 && setup->wLength == 0)
+ {
+ switch(udev->conn_state)
+ {
+ case USB_CONN_STATE_ADDRESSED:
+ if(config_value)
+ {
+ udev->dev_config = config_value;
+ udev->conn_state = USB_CONN_STATE_CONFIGURED;
+ udev->class_handler->init_handler(udev);
+ usbd_ctrl_send_status(udev);
+ }
+ else
+ {
+ usbd_ctrl_send_status(udev);
+ }
+
+ break;
+ case USB_CONN_STATE_CONFIGURED:
+ if(config_value == 0)
+ {
+ udev->conn_state = USB_CONN_STATE_ADDRESSED;
+ udev->dev_config = config_value;
+ udev->class_handler->clear_handler(udev);
+ usbd_ctrl_send_status(udev);
+ }
+ else if(config_value == udev->dev_config)
+ {
+ udev->class_handler->clear_handler(udev);
+ udev->dev_config = config_value;
+ udev->class_handler->init_handler(udev);
+ usbd_ctrl_send_status(udev);
+ }
+ else
+ {
+ usbd_ctrl_send_status(udev);
+ }
+ break;
+ default:
+ usbd_ctrl_unsupport(udev);
+ break;
+ }
+ }
+ else
+ {
+ usbd_ctrl_unsupport(udev);
+ }
+ return ret;
+}
+
+/**
+ * @brief standard usb device requests
+ * @param udev: to the structure of usbd_core_type
+ * @retval status of usb_sts_type
+ */
+usb_sts_type usbd_device_request(usbd_core_type *udev)
+{
+ usb_sts_type ret = USB_OK;
+ usb_setup_type *setup = &udev->setup;
+ if((setup->bmRequestType & USB_REQ_TYPE_RESERVED) != USB_REQ_TYPE_STANDARD)
+ {
+ udev->class_handler->setup_handler(udev, &udev->setup);
+ return ret;
+ }
+ switch(udev->setup.bRequest)
+ {
+ case USB_STD_REQ_GET_STATUS:
+ usbd_get_status(udev);
+ break;
+ case USB_STD_REQ_CLEAR_FEATURE:
+ usbd_clear_feature(udev);
+ break;
+ case USB_STD_REQ_SET_FEATURE:
+ usbd_set_feature(udev);
+ break;
+ case USB_STD_REQ_SET_ADDRESS:
+ usbd_set_address(udev);
+ break;
+ case USB_STD_REQ_GET_DESCRIPTOR:
+ usbd_get_descriptor(udev);
+ break;
+ case USB_STD_REQ_GET_CONFIGURATION:
+ usbd_get_configuration(udev);
+ break;
+ case USB_STD_REQ_SET_CONFIGURATION:
+ usbd_set_configuration(udev);
+ break;
+ default:
+ usbd_ctrl_unsupport(udev);
+ break;
+ }
+ return ret;
+}
+
+/**
+ * @brief standard usb interface requests
+ * @param udev: to the structure of usbd_core_type
+ * @retval status of usb_sts_type
+ */
+usb_sts_type usbd_interface_request(usbd_core_type *udev)
+{
+ usb_sts_type ret = USB_OK;
+ usb_setup_type *setup = &udev->setup;
+ switch(udev->conn_state)
+ {
+ case USB_CONN_STATE_CONFIGURED:
+ udev->class_handler->setup_handler(udev, &udev->setup);
+ if(setup->wLength == 0)
+ {
+ usbd_ctrl_send_status(udev);
+ }
+ break;
+ default:
+ usbd_ctrl_unsupport(udev);
+ break;
+ }
+ return ret;
+}
+
+/**
+ * @brief standard usb endpoint requests
+ * @param udev: to the structure of usbd_core_type
+ * @retval status of usb_sts_type
+ */
+usb_sts_type usbd_endpoint_request(usbd_core_type *udev)
+{
+ usb_sts_type ret = USB_OK;
+ usb_setup_type *setup = &udev->setup;
+ uint8_t ept_addr = LBYTE(setup->wIndex);
+ usb_ept_info *ept_info;
+
+ if((setup->bmRequestType & USB_REQ_TYPE_RESERVED) == USB_REQ_TYPE_CLASS)
+ {
+ udev->class_handler->setup_handler(udev, &udev->setup);
+ }
+ switch(setup->bRequest)
+ {
+ case USB_STD_REQ_GET_STATUS:
+ switch(udev->conn_state)
+ {
+ case USB_CONN_STATE_ADDRESSED:
+ if((ept_addr & 0x7F) != 0)
+ {
+ usbd_set_stall(udev, ept_addr);
+ }
+ break;
+ case USB_CONN_STATE_CONFIGURED:
+ {
+ if((ept_addr & 0x80) != 0)
+ {
+ ept_info = &udev->ept_in[ept_addr & 0x7F];
+ }
+ else
+ {
+ ept_info = &udev->ept_out[ept_addr & 0x7F];
+ }
+ if(ept_info->stall == 1)
+ {
+ ept_info->status = 0x0001;
+ }
+ else
+ {
+ ept_info->status = 0x0000;
+ }
+ usbd_ctrl_send(udev, (uint8_t *)(&ept_info->status), 2);
+ }
+ break;
+ default:
+ usbd_ctrl_unsupport(udev);
+ break;
+ }
+ break;
+ case USB_STD_REQ_CLEAR_FEATURE:
+ switch(udev->conn_state)
+ {
+ case USB_CONN_STATE_ADDRESSED:
+ if((ept_addr != 0x00) && (ept_addr != 0x80))
+ {
+ usbd_set_stall(udev, ept_addr);
+ }
+ break;
+ case USB_CONN_STATE_CONFIGURED:
+ if(setup->wValue == USB_FEATURE_EPT_HALT)
+ {
+ if((ept_addr & 0x7F) != 0x00 )
+ {
+ usbd_clear_stall(udev, ept_addr);
+ udev->class_handler->setup_handler(udev, &udev->setup);
+ }
+ usbd_ctrl_send_status(udev);
+ }
+ break;
+ default:
+ usbd_ctrl_unsupport(udev);
+ break;
+ }
+ break;
+ case USB_STD_REQ_SET_FEATURE:
+ switch(udev->conn_state)
+ {
+ case USB_CONN_STATE_ADDRESSED:
+ if((ept_addr != 0x00) && (ept_addr != 0x80))
+ {
+ usbd_set_stall(udev, ept_addr);
+ }
+ break;
+ case USB_CONN_STATE_CONFIGURED:
+ if(setup->wValue == USB_FEATURE_EPT_HALT)
+ {
+ if((ept_addr != 0x00) && (ept_addr != 0x80))
+ {
+ usbd_set_stall(udev, ept_addr);
+ }
+ }
+ udev->class_handler->setup_handler(udev, &udev->setup);
+ usbd_ctrl_send_status(udev);
+ break;
+ default:
+ usbd_ctrl_unsupport(udev);
+ break;
+ }
+ break;
+ default:
+ usbd_ctrl_unsupport(udev);
+ break;
+ }
+ return ret;
+}
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+#endif
diff --git a/bsp/at32/libraries/usbfs_library/src/usbh_core.c b/bsp/at32/libraries/usbfs_library/src/usbh_core.c
new file mode 100644
index 0000000000..00359130db
--- /dev/null
+++ b/bsp/at32/libraries/usbfs_library/src/usbh_core.c
@@ -0,0 +1,1222 @@
+/**
+ **************************************************************************
+ * @file usbh_core.c
+ * @brief usb host driver
+ **************************************************************************
+ * Copyright notice & Disclaimer
+ *
+ * The software Board Support Package (BSP) that is made available to
+ * download from Artery official website is the copyrighted work of Artery.
+ * Artery authorizes customers to use, copy, and distribute the BSP
+ * software and its related documentation for the purpose of design and
+ * development in conjunction with Artery microcontrollers. Use of the
+ * software is governed by this copyright notice and the following disclaimer.
+ *
+ * THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
+ * GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
+ * TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
+ * STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
+ * INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
+ *
+ **************************************************************************
+ */
+
+#include "usbh_core.h"
+#include "usb_core.h"
+#include "usbh_ctrl.h"
+
+/** @defgroup USBH_drivers_core
+ * @brief usb host drivers core
+ * @{
+ */
+
+/** @defgroup USBH_core_private_functions
+ * @{
+ */
+
+static void usbh_attached(usbh_core_type *uhost);
+static void usbh_enumeration(usbh_core_type *uhost);
+static void usbh_class_request(usbh_core_type *uhost);
+static void usbh_class(usbh_core_type *uhost);
+static void usbh_suspend(usbh_core_type *uhost);
+static void usbh_wakeup(usbh_core_type *uhost);
+static void usbh_disconnect(usbh_core_type *uhost);
+/**
+ * @brief usb host free channel
+ * @param uhost: to the structure of usbh_core_type
+ * @param index: channle number
+ * @retval none
+ */
+void usbh_free_channel(usbh_core_type *uhost, uint8_t index)
+{
+ if(index < USB_HOST_CHANNEL_NUM)
+ {
+ /* free host channel */
+ uhost->channel[index] = 0x0;
+ }
+}
+
+/**
+ * @brief get usb host free channel
+ * @param uhost: to the structure of usbh_core_type
+ * @retval channel index
+ */
+uint16_t usbh_get_free_channel(usbh_core_type *uhost)
+{
+ uint16_t i_index = 0;
+ for(i_index = 0; i_index < USB_HOST_CHANNEL_NUM; i_index ++)
+ {
+ /* find unuse channel */
+ if((uhost->channel[i_index] & HCH_USED) == 0)
+ {
+ /* return channel index */
+ return i_index;
+ }
+ }
+ return HCH_ERROR;
+}
+
+
+/**
+ * @brief usb host set toggle
+ * @param uhost: to the structure of usbh_core_type
+ * @param hc_num: channel number
+ * @param toggle: toggle value
+ * @retval status: usb_sts_type status
+ */
+usb_sts_type usbh_set_toggle(usbh_core_type *uhost, uint8_t hc_num, uint8_t toggle)
+{
+ if(uhost->hch[hc_num].dir)
+ {
+ /* direction in */
+ uhost->hch[hc_num].toggle_in = toggle;
+ }
+ else
+ {
+ /* direction out */
+ uhost->hch[hc_num].toggle_out = toggle;
+ }
+ return USB_OK;
+}
+
+/**
+ * @brief usb host in out request
+ * @param uhost: to the structure of usbh_core_type
+ * @param hc_num: channel number
+ * @retval status: usb_sts_type status
+ */
+usb_sts_type usbh_in_out_request(usbh_core_type *uhost, uint8_t hc_num)
+{
+ usb_sts_type status = USB_OK;
+ uint32_t n_packet = 0;
+ uint32_t num_words = 0;
+ uint32_t tmp;
+ otg_global_type *usbx = uhost->usb_reg;
+ otg_hchannel_type *ch = USB_CHL(uhost->usb_reg, hc_num);
+
+ /* set usb request block to idle */
+ uhost->urb_state[hc_num] = URB_IDLE;
+ uhost->hch[hc_num].state = HCH_IDLE;
+
+ /* set usb channel transmit count to zero */
+ uhost->hch[hc_num].trans_count = 0;
+
+ /* check transmit data len */
+ if(uhost->hch[hc_num].trans_len > 0)
+ {
+ /* count how many packet need to send */
+ n_packet = (uhost->hch[hc_num].trans_len + \
+ uhost->hch[hc_num].maxpacket - 1) / \
+ uhost->hch[hc_num].maxpacket;
+
+ /* packet count max 256 */
+ if(n_packet > 256)
+ {
+ n_packet = 256;
+ uhost->hch[hc_num].trans_len = n_packet * uhost->hch[hc_num].maxpacket;
+ }
+ }
+ else
+ {
+ /* zero data len */
+ n_packet = 1;
+ }
+
+ /* direction is in */
+ if(uhost->hch[hc_num].dir)
+ {
+ uhost->hch[hc_num].trans_len = n_packet * uhost->hch[hc_num].maxpacket;
+ }
+
+ /* set transfer information to channel register */
+ ch->hctsiz = (uhost->hch[hc_num].trans_len & USB_OTG_HCTSIZ_XFERSIZE) |
+ ((n_packet << 19) & USB_OTG_HCTSIZ_PKTCNT) |
+ ((uhost->hch[hc_num].data_pid << 29) & USB_OTG_HCTSIZ_PID);
+
+ /* set odd frame */
+ ch->hcchar_bit.oddfrm = !(OTG_HOST(uhost->usb_reg)->hfnum & 0x1);
+
+ /* clear channel disable bit and enable channel */
+ tmp = ch->hcchar;
+ tmp &= ~(USB_OTG_HCCHAR_CHDIS);
+ tmp |= USB_OTG_HCCHAR_CHENA;
+ ch->hcchar = tmp;
+
+ /* channel direction is out and transfer len > 0 */
+ if((uhost->hch[hc_num].dir == 0) &&
+ (uhost->hch[hc_num].trans_len > 0 ))
+ {
+ switch(uhost->hch[hc_num].ept_type)
+ {
+ case EPT_CONTROL_TYPE:
+ case EPT_BULK_TYPE:
+ num_words = (uhost->hch[hc_num].trans_len + 3) / 4;
+
+ /* non-periodic transfer */
+ if(num_words > usbx->gnptxsts_bit.nptxfspcavail)
+ {
+ usbx->gintmsk_bit.nptxfempmsk = 1;
+ }
+ break;
+ case EPT_ISO_TYPE:
+ case EPT_INT_TYPE:
+ num_words = (uhost->hch[hc_num].trans_len + 3) / 4;
+
+ /* periodic transfer */
+ if(num_words > OTG_HOST(usbx)->hptxsts_bit.ptxfspcavil)
+ {
+ usbx->gintmsk_bit.ptxfempmsk = 1;
+ }
+ break;
+ default:
+ break;
+ }
+ /* write data to fifo */
+ usb_write_packet(usbx, uhost->hch[hc_num].trans_buf,
+ hc_num, uhost->hch[hc_num].trans_len);
+ }
+
+ return status;
+}
+
+/**
+ * @brief usb host interrupt receive request
+ * @param uhost: to the structure of usbh_core_type
+ * @param hc_num: channel number
+ * @param buffer: receive buffer
+ * @param length: receive length
+ * @retval status: usb_sts_type status
+ */
+usb_sts_type usbh_interrupt_recv(usbh_core_type *uhost, uint8_t hc_num,
+ uint8_t *buffer, uint16_t length)
+{
+ /* set direction is in */
+ uhost->hch[hc_num].dir = 1;
+
+ /* set transfer buffer */
+ uhost->hch[hc_num].trans_buf = buffer;
+
+ /* set transfer len*/
+ uhost->hch[hc_num].trans_len = length;
+
+ if(uhost->hch[hc_num].toggle_in == 0)
+ {
+ /* pid: data0 */
+ uhost->hch[hc_num].data_pid = HCH_PID_DATA0;
+ }
+ else
+ {
+ /* pid: data1 */
+ uhost->hch[hc_num].data_pid = HCH_PID_DATA1;
+ }
+
+ return usbh_in_out_request(uhost, hc_num);
+}
+
+/**
+ * @brief usb host interrupt send request
+ * @param uhost: to the structure of usbh_core_type
+ * @param hc_num: channel number
+ * @param buffer: send buffer
+ * @param length: send length
+ * @retval status: usb_sts_type status
+ */
+usb_sts_type usbh_interrupt_send(usbh_core_type *uhost, uint8_t hc_num,
+ uint8_t *buffer, uint16_t length)
+{
+ /* set direction is out */
+ uhost->hch[hc_num].dir = 0;
+
+ /* set transfer buffer */
+ uhost->hch[hc_num].trans_buf = buffer;
+
+ /* set transfer len*/
+ uhost->hch[hc_num].trans_len = length;
+
+ if(uhost->hch[hc_num].toggle_out == 0)
+ {
+ /* pid: data0 */
+ uhost->hch[hc_num].data_pid = HCH_PID_DATA0;
+ }
+ else
+ {
+ /* pid: data1 */
+ uhost->hch[hc_num].data_pid = HCH_PID_DATA1;
+ }
+
+ return usbh_in_out_request(uhost, hc_num);
+}
+
+
+/**
+ * @brief usb host bulk receive request
+ * @param uhost: to the structure of usbh_core_type
+ * @param hc_num: channel number
+ * @param buffer: receive buffer
+ * @param length: receive length
+ * @retval status: usb_sts_type status
+ */
+usb_sts_type usbh_bulk_recv(usbh_core_type *uhost, uint8_t hc_num,
+ uint8_t *buffer, uint16_t length)
+{
+ /* set direction is in */
+ uhost->hch[hc_num].dir = 1;
+
+ /* set transfer buffer */
+ uhost->hch[hc_num].trans_buf = buffer;
+
+ /* set transfer len*/
+ uhost->hch[hc_num].trans_len = length;
+
+ if(uhost->hch[hc_num].toggle_in == 0)
+ {
+ /* pid: data0 */
+ uhost->hch[hc_num].data_pid = HCH_PID_DATA0;
+ }
+ else
+ {
+ /* pid: data1 */
+ uhost->hch[hc_num].data_pid = HCH_PID_DATA1;
+ }
+
+ return usbh_in_out_request(uhost, hc_num);
+}
+
+
+/**
+ * @brief usb host bulk send request
+ * @param uhost: to the structure of usbh_core_type
+ * @param hc_num: channel number
+ * @param buffer: receive buffer
+ * @param length: receive length
+ * @retval status: usb_sts_type status
+ */
+usb_sts_type usbh_bulk_send(usbh_core_type *uhost, uint8_t hc_num,
+ uint8_t *buffer, uint16_t length)
+{
+ /* set direction is out */
+ uhost->hch[hc_num].dir = 0;
+
+ /* set transfer buffer */
+ uhost->hch[hc_num].trans_buf = buffer;
+
+ /* set transfer len*/
+ uhost->hch[hc_num].trans_len = length;
+
+ if(uhost->hch[hc_num].toggle_out == 0)
+ {
+ /* pid: data0 */
+ uhost->hch[hc_num].data_pid = HCH_PID_DATA0;
+ }
+ else
+ {
+ /* pid: data1 */
+ uhost->hch[hc_num].data_pid = HCH_PID_DATA1;
+ }
+
+ return usbh_in_out_request(uhost, hc_num);
+}
+
+
+/**
+ * @brief usb host iso send request
+ * @param uhost: to the structure of usbh_core_type
+ * @param hc_num: channel number
+ * @param buffer: send buffer
+ * @param length: send length
+ * @retval status: usb_sts_type status
+ */
+usb_sts_type usbh_isoc_send(usbh_core_type *uhost, uint8_t hc_num,
+ uint8_t *buffer, uint16_t length)
+{
+ /* set direction is out */
+ uhost->hch[hc_num].dir = 0;
+
+ /* set transfer buffer */
+ uhost->hch[hc_num].trans_buf = buffer;
+
+ /* set transfer len*/
+ uhost->hch[hc_num].trans_len = length;
+
+ /* pid: data0 */
+ uhost->hch[hc_num].data_pid = HCH_PID_DATA0;
+
+ return usbh_in_out_request(uhost, hc_num);
+}
+
+/**
+ * @brief usb host iso receive request
+ * @param uhost: to the structure of usbh_core_type
+ * @param hc_num: channel number
+ * @param buffer: receive buffer
+ * @param length: receive length
+ * @retval status: usb_sts_type status
+ */
+usb_sts_type usbh_isoc_recv(usbh_core_type *uhost, uint8_t hc_num,
+ uint8_t *buffer, uint16_t length)
+{
+ /* set direction is in */
+ uhost->hch[hc_num].dir = 1;
+
+ /* set transfer buffer */
+ uhost->hch[hc_num].trans_buf = buffer;
+
+ /* set transfer len*/
+ uhost->hch[hc_num].trans_len = length;
+
+ /* pid: data0 */
+ uhost->hch[hc_num].data_pid = HCH_PID_DATA0;
+
+ return usbh_in_out_request(uhost, hc_num);
+}
+
+/**
+ * @brief usb host cfg default init
+ * @param uhost: to the structure of usbh_core_type
+ * @retval status: usb_sts_type status
+ */
+usb_sts_type usbh_cfg_default_init(usbh_core_type *uhost)
+{
+ /* set global state to idle */
+ uhost->global_state = USBH_IDLE;
+
+ /* enumeration state to get description */
+ uhost->enum_state = ENUM_GET_MIN_DESC;
+
+ /* request state send */
+ uhost->req_state = CMD_SEND;
+
+ /* control transfer state is idle*/
+ uhost->ctrl.state = CONTROL_IDLE;
+
+ /* defaut endpoint 0 max size is 8byte */
+ uhost->ctrl.ept0_size = 8;
+
+ /* default device address is 0 */
+ uhost->dev.address = 0;
+
+ /* default speed is full speed */
+ uhost->dev.speed = USB_FULL_SPEED_CORE_ID;
+
+ uhost->timer = 0;
+
+ uhost->ctrl.err_cnt = 0;
+
+ /* free all channel */
+ usbh_free_channel(uhost, uhost->ctrl.hch_in);
+ usbh_free_channel(uhost, uhost->ctrl.hch_out);
+ return USB_OK;
+}
+
+/**
+ * @brief usb host enter suspend
+ * @param uhost: to the structure of usbh_core_type
+ * @retval none
+ */
+void usbh_enter_suspend(usbh_core_type *uhost)
+{
+ otg_host_type *host = OTG_HOST(uhost->usb_reg);
+ uint32_t hprt_val = host->hprt;
+
+ hprt_val &= ~(USB_OTG_HPRT_PRTENA | USB_OTG_HPRT_PRTENCHNG |
+ USB_OTG_HPRT_PRTOVRCACT | USB_OTG_HPRT_PRTCONDET);
+
+ /* set port suspend */
+ host->hprt = hprt_val | USB_OTG_HPRT_PRTSUSP;
+
+ /* stop phy clock */
+ usb_stop_phy_clk(uhost->usb_reg);
+
+}
+
+/**
+ * @brief usb host resume
+ * @param uhost: to the structure of usbh_core_type
+ * @retval none
+ */
+void usbh_resume(usbh_core_type *uhost)
+{
+ otg_host_type *host = OTG_HOST(uhost->usb_reg);
+ uint32_t temp = host->hprt;
+
+ /* open phy clock */
+ usb_open_phy_clk(uhost->usb_reg);
+
+ /* clear port suspend and set port resume*/
+ temp &= ~(USB_OTG_HPRT_PRTENA | USB_OTG_HPRT_PRTENCHNG |
+ USB_OTG_HPRT_PRTOVRCACT | USB_OTG_HPRT_PRTCONDET
+ | USB_OTG_HPRT_PRTSUSP);
+ host->hprt = temp | USB_OTG_HPRT_PRTRES;
+
+ /* delay 20 ms */
+ rt_thread_mdelay(20);
+
+ /*clear port resume */
+ temp = host->hprt;
+ temp &= ~(USB_OTG_HPRT_PRTENA | USB_OTG_HPRT_PRTENCHNG |
+ USB_OTG_HPRT_PRTOVRCACT | USB_OTG_HPRT_PRTCONDET
+ | USB_OTG_HPRT_PRTRES);
+ host->hprt = temp;
+ rt_thread_mdelay(5);
+}
+
+/**
+ * @brief usb host core initialize
+ * @param uhost: to the structure of usbh_core_type
+ * @param usb_reg: usb otgfs peripheral global register
+ * this parameter can be one of the following values:
+ * OTG1_GLOBAL , OTG2_GLOBAL
+ * @param class_handler: usb host class handler type pointer
+ * @param user_handler: usb host user handler type pointer
+ * @param core_id: usb core select id
+ * @retval status: usb_sts_type status
+ */
+usb_sts_type usbh_core_init(usbh_core_type *uhost,
+ usb_reg_type *usb_reg,
+ uint8_t core_id)
+{
+ usb_sts_type status = USB_OK;
+ uint32_t i_index;
+ otg_global_type *usbx = usb_reg;
+ otg_host_type *host = OTG_HOST(usbx);
+ uhost->usb_reg = usb_reg;
+
+ uhost->timer = 0;
+
+ /* usb host cfg default init */
+ usbh_cfg_default_init(uhost);
+
+ /* clear host config to default value */
+ for(i_index = 0; i_index < USB_HOST_CHANNEL_NUM; i_index ++)
+ {
+ uhost->err_cnt[i_index] = 0;
+ uhost->xfer_cnt[i_index] = 0;
+ uhost->hch_state[i_index] = HCH_IDLE;
+ uhost->hch[0].maxpacket = 8;
+ }
+
+ /* no device connect */
+ uhost->conn_sts = 0;
+
+ /* disable usb interrupt */
+ usb_interrupt_disable(usbx);
+
+ /* usb global init */
+ usb_global_init(usbx);
+
+ /* set usb host mode */
+ usb_global_set_mode(usbx, OTG_HOST_MODE);
+
+ /* open usb phy clock*/
+ usb_open_phy_clk(usbx);
+
+ /* clock select */
+ usbh_fsls_clksel(usbx, USB_HCFG_CLK_48M);
+
+ /* set support ls and fs device */
+ host->hcfg_bit.fslssupp = 0;
+
+ if(usbx == OTG1_GLOBAL)
+ {
+ /* set receive fifo size */
+ usbx->grxfsiz = USBH_RX_FIFO_SIZE;
+
+ /* set non-periodic transmit fifo start address and depth */
+ usbx->gnptxfsiz_ept0tx_bit.nptxfstaddr = USBH_RX_FIFO_SIZE;
+ usbx->gnptxfsiz_ept0tx_bit.nptxfdep = USBH_NP_TX_FIFO_SIZE;
+
+ /* set periodic transmit fifo start address and depth */
+ usbx->hptxfsiz_bit.ptxfstaddr = USBH_RX_FIFO_SIZE + USBH_NP_TX_FIFO_SIZE;
+ usbx->hptxfsiz_bit.ptxfsize = USBH_P_TX_FIFO_SIZE;
+ }
+#ifdef OTG2_GLOBAL
+ if(usbx == OTG2_GLOBAL)
+ {
+ /* set receive fifo size */
+ usbx->grxfsiz = USBH2_RX_FIFO_SIZE;
+
+ /* set non-periodic transmit fifo start address and depth */
+ usbx->gnptxfsiz_ept0tx_bit.nptxfstaddr = USBH2_RX_FIFO_SIZE;
+ usbx->gnptxfsiz_ept0tx_bit.nptxfdep = USBH2_NP_TX_FIFO_SIZE;
+
+ /* set periodic transmit fifo start address and depth */
+ usbx->hptxfsiz_bit.ptxfstaddr = USBH2_RX_FIFO_SIZE + USBH2_NP_TX_FIFO_SIZE;
+ usbx->hptxfsiz_bit.ptxfsize = USBH2_P_TX_FIFO_SIZE;
+ }
+#endif
+ /* flush tx fifo */
+ usb_flush_tx_fifo(usbx, 16);
+
+ /* flush rx fifo */
+ usb_flush_rx_fifo(usbx);
+
+ /* clear host channel interrut mask and status */
+ for(i_index = 0; i_index < USB_HOST_CHANNEL_NUM; i_index ++)
+ {
+ USB_CHL(usbx, i_index)->hcintmsk = 0;
+ USB_CHL(usbx, i_index)->hcint = 0xFFFFFFFF;
+ }
+
+ /* power on to this port */
+ usb_port_power_on(usbx, TRUE);
+
+ /* clear global interrupt mask and status */
+ usbx->gintmsk = 0;
+ usbx->gintsts = 0xBFFFFFFF;
+
+ /* set global interrut mask */
+ usbx->gintmsk = USB_OTG_SOF_INT | USB_OTG_RXFLVL_INT |
+ USB_OTG_USBSUSP_INT | USB_OTG_PRT_INT |
+ USB_OTG_HCH_INT | USB_OTG_INCOMISOIN_INT |
+ USB_OTG_INCOMPIP_INCOMPISOOUT_INT | USB_OTG_WKUP_INT |
+ USB_OTG_DISCON_INT;
+
+ /* enable usb global interrupt */
+ usb_interrupt_enable(usbx);
+
+ /* active vbus */
+ usbh_active_vbus(uhost, TRUE);
+ return status;
+}
+
+/**
+ * @brief usb host open channel
+ * @param uhost: to the structure of usbh_core_type
+ * @param chn: host channel number
+ * @param ept_num: devvice endpoint number
+ * @param dev_address: device address
+ * @param type: channel transfer type
+ * this parameter can be one of the following values:
+ * - EPT_CONTROL_TYPE
+ * - EPT_BULK_TYPE
+ * - EPT_INT_TYPE
+ * - EPT_ISO_TYPE
+ * @param maxpacket: support max packe size for this channel
+ * @param speed: device speed
+ * this parameter can be one of the following values:
+ * - USB_PRTSPD_FULL_SPEED
+ * - USB_PRTSPD_LOW_SPEED
+ * @param ept_addr: endpoint address
+ * @retval usb_sts_type
+ */
+void usbh_hc_open(usbh_core_type *uhost,
+ uint8_t chn,
+ uint8_t ept_num,
+ uint8_t dev_address,
+ uint8_t type,
+ uint16_t maxpacket,
+ uint8_t speed)
+{
+ /* device address */
+ uhost->hch[chn].address = dev_address;
+
+ /* device speed */
+ uhost->hch[chn].speed = speed;
+
+ /* endpoint transfer type */
+ uhost->hch[chn].ept_type = type;
+
+ /* endpoint support maxpacket */
+ uhost->hch[chn].maxpacket = maxpacket;
+
+ /* endpoint direction in or out */
+ uhost->hch[chn].dir = (ept_num & 0x80)?1:0;;
+
+ /* host channel number */
+ uhost->hch[chn].ch_num = chn;
+
+ /* device endpoint number */
+ uhost->hch[chn].ept_num = ept_num;
+
+ /* enable channel */
+ usb_hc_enable(uhost->usb_reg, chn,
+ ept_num, dev_address,
+ type, maxpacket, speed
+ );
+}
+
+/**
+ * @brief disable host channel
+ * @param usbx: to select the otgfs peripheral.
+ * this parameter can be one of the following values:
+ * - OTG1_GLOBAL
+ * - OTG2_GLOBAL
+ * @param chn: channel number
+ * @retval none
+ */
+void usbh_ch_disable(usbh_core_type *uhost, uint8_t chn)
+{
+ usb_hch_halt(uhost->usb_reg, chn);
+}
+
+/**
+ * @brief usb host alloc channel
+ * @param uhost: to the structure of usbh_core_type
+ * @param ept_addr: endpoint address
+ * @retval usb_sts_type
+ */
+uint16_t usbh_alloc_channel(usbh_core_type *uhost, uint8_t ept_addr)
+{
+ /* get one free channel */
+ uint16_t ch_num = usbh_get_free_channel(uhost);
+
+ if(ch_num == HCH_ERROR)
+ return USB_FAIL;
+
+ /* set channel to used */
+ uhost->channel[ch_num] = HCH_USED | ept_addr;
+ return ch_num;
+}
+
+hch_sts_type usbh_get_status(usbh_core_type *uhost, uint8_t ch_num)
+{
+ return uhost->hch_state[ch_num];
+}
+
+/**
+ * @brief usb host get urb status
+ * @param uhost: to the structure of usbh_core_type
+ * @param ch_num: channel number
+ * @retval urb_sts_type: urb status
+ */
+urb_sts_type usbh_get_urb_status(usbh_core_type *uhost, uint8_t ch_num)
+{
+ return uhost->urb_state[ch_num];
+}
+/**
+ * @brief usb wait control setup complete
+ * @param uhost: to the structure of usbh_core_type
+ * @param next_ctrl_state: next ctrl state when setup complete
+ * @param next_enum_state: next enum state when setup complete
+ * @retval status: usb_sts_type status
+ */
+usb_sts_type usbh_ctrl_result_check(usbh_core_type *uhost, ctrl_ept0_sts_type next_ctrl_state, uint8_t next_enum_state)
+{
+ usb_sts_type status;
+
+ /* control transfer loop */
+ status = usbh_ctrl_transfer_loop(uhost);
+
+ if(status == USB_OK)
+ {
+ uhost->ctrl.state = next_ctrl_state;
+ uhost->enum_state = next_enum_state;
+ uhost->req_state = CMD_SEND;
+ }
+ else if(status == USB_ERROR)
+ {
+ uhost->ctrl.state = CONTROL_IDLE;
+ uhost->req_state = CMD_SEND;
+ }
+ else if(status == USB_NOT_SUPPORT)
+ {
+ uhost->ctrl.state = next_ctrl_state;
+ uhost->enum_state = next_enum_state;
+ uhost->req_state = CMD_SEND;
+ }
+ return status;
+}
+
+/**
+ * @brief auto alloc address (1...20)
+ * @param none
+ * @retval address (1...20)
+ */
+uint8_t usbh_alloc_address(void)
+{
+ static uint8_t address = 1;
+ if(address == 20)
+ address = 1;
+ return address ++;
+}
+
+
+/**
+ * @brief usb host enumeration handler
+ * @param uhost: to the structure of usbh_core_type
+ * @retval status: usb_sts_type status
+ */
+usb_sts_type usbh_enum_handler(usbh_core_type *uhost)
+{
+ usb_sts_type status = USB_WAIT;
+ switch(uhost->enum_state)
+ {
+ case ENUM_IDLE:
+ break;
+ case ENUM_GET_MIN_DESC:
+ /* get description */
+ if(uhost->ctrl.state == CONTROL_IDLE)
+ {
+ usbh_get_device_descriptor(uhost, 8);
+ }
+ if(usbh_ctrl_result_check(uhost, CONTROL_IDLE, ENUM_GET_FULL_DESC) == USB_OK)
+ {
+ usbh_parse_dev_desc(uhost, uhost->rx_buffer, 8);
+
+ /* set new control endpoint maxpacket size */
+ uhost->ctrl.ept0_size = (uhost->dev).dev_desc.bMaxPacketSize0;
+
+ /* enable channel */
+ usbh_hc_open(uhost, uhost->ctrl.hch_in,0x80,
+ uhost->dev.address, EPT_CONTROL_TYPE,
+ uhost->ctrl.ept0_size,
+ uhost->dev.speed);
+
+ /* enable channel */
+ usbh_hc_open(uhost, uhost->ctrl.hch_out,0x00,
+ uhost->dev.address, EPT_CONTROL_TYPE,
+ uhost->ctrl.ept0_size,
+ uhost->dev.speed);
+ }
+ break;
+
+ case ENUM_GET_FULL_DESC:
+ /* get description */
+ if(uhost->ctrl.state == CONTROL_IDLE)
+ {
+ usbh_get_device_descriptor(uhost, 18);
+ }
+ if(usbh_ctrl_result_check(uhost, CONTROL_IDLE, ENUM_SET_ADDR) == USB_OK)
+ {
+ usbh_parse_dev_desc(uhost, uhost->rx_buffer, 18);
+ }
+ break;
+
+ case ENUM_SET_ADDR:
+ /* set device address */
+ if(uhost->ctrl.state == CONTROL_IDLE)
+ {
+ uhost->dev.address = usbh_alloc_address();
+ usbh_set_address(uhost, uhost->dev.address);
+ }
+ if (usbh_ctrl_result_check(uhost, CONTROL_IDLE, ENUM_GET_CFG) == USB_OK)
+ {
+ /* enable channel */
+ usbh_hc_open(uhost, uhost->ctrl.hch_in,0x80,
+ uhost->dev.address, EPT_CONTROL_TYPE,
+ uhost->ctrl.ept0_size,
+ uhost->dev.speed);
+
+ /* enable channel */
+ usbh_hc_open(uhost, uhost->ctrl.hch_out,0x00,
+ uhost->dev.address, EPT_CONTROL_TYPE,
+ uhost->ctrl.ept0_size,
+ uhost->dev.speed);
+ }
+ break;
+
+ case ENUM_GET_CFG:
+ /* get device confiuration */
+ if(uhost->ctrl.state == CONTROL_IDLE)
+ {
+ usbh_get_configure_descriptor(uhost, 9);
+ }
+
+ if(usbh_ctrl_result_check(uhost, CONTROL_IDLE, ENUM_GET_FULL_CFG) == USB_OK)
+ {
+ usbh_parse_configure_desc(uhost, uhost->rx_buffer, 9);
+ }
+ break;
+
+ case ENUM_GET_FULL_CFG:
+ /* get device confiuration */
+ if(uhost->ctrl.state == CONTROL_IDLE)
+ {
+ usbh_get_configure_descriptor(uhost, uhost->dev.cfg_desc.cfg.wTotalLength);
+ }
+
+ if(usbh_ctrl_result_check(uhost, CONTROL_IDLE, ENUM_GET_MFC_STRING) == USB_OK)
+ {
+ usbh_parse_configure_desc(uhost, uhost->rx_buffer, uhost->dev.cfg_desc.cfg.wTotalLength);
+ }
+ break;
+
+ case ENUM_GET_MFC_STRING:
+ /* get device mfc string */
+ if(uhost->ctrl.state == CONTROL_IDLE)
+ {
+ usbh_get_sting_descriptor(uhost, uhost->dev.dev_desc.iManufacturer,
+ uhost->rx_buffer, 0xFF);
+ }
+
+ if(usbh_ctrl_result_check(uhost, CONTROL_IDLE, ENUM_GET_PRODUCT_STRING) == USB_OK)
+ {
+ usbh_parse_string_desc(uhost->rx_buffer, uhost->rx_buffer, 0xFF);
+ uhost->user_handler->user_mfc_string(uhost->rx_buffer);
+ }
+ break;
+
+ case ENUM_GET_PRODUCT_STRING:
+ /* get device product string */
+ if(uhost->ctrl.state == CONTROL_IDLE)
+ {
+ usbh_get_sting_descriptor(uhost, uhost->dev.dev_desc.iProduct,
+ uhost->rx_buffer, 0xFF);
+ }
+
+ if(usbh_ctrl_result_check(uhost, CONTROL_IDLE, ENUM_GET_SERIALNUM_STRING) == USB_OK)
+ {
+ usbh_parse_string_desc(uhost->rx_buffer, uhost->rx_buffer, 0xFF);
+ uhost->user_handler->user_product_string(uhost->rx_buffer);
+ }
+ break;
+
+ case ENUM_GET_SERIALNUM_STRING:
+ /* get device serial string */
+ if(uhost->ctrl.state == CONTROL_IDLE)
+ {
+ usbh_get_sting_descriptor(uhost, uhost->dev.dev_desc.iSerialNumber,
+ uhost->rx_buffer, 0xFF);
+ }
+
+ if(usbh_ctrl_result_check(uhost, CONTROL_IDLE, ENUM_SET_CONFIG) == USB_OK)
+ {
+ usbh_parse_string_desc(uhost->rx_buffer, uhost->rx_buffer, 0xFF);
+ uhost->user_handler->user_serial_string(uhost->rx_buffer);
+ }
+ break;
+
+ case ENUM_SET_CONFIG:
+ /* set device config */
+ if(uhost->ctrl.state == CONTROL_IDLE)
+ {
+ usbh_set_configuration(uhost, uhost->dev.cfg_desc.cfg.bConfigurationValue);
+ }
+ usbh_ctrl_result_check(uhost, CONTROL_IDLE, ENUM_COMPLETE);
+
+ break;
+
+ case ENUM_COMPLETE:
+ /* enum complete */
+ status = USB_OK;
+ break;
+ default:
+ break;
+ }
+ return status;
+}
+
+/**
+ * @brief active vbus.
+ * @param uhost: to the structure of usbh_core_type
+ * @param state: vbus state
+ * @retval none
+ */
+void usbh_active_vbus(usbh_core_type *uhost, confirm_state state)
+{
+}
+
+/**
+ * @brief reset usb port
+ * @param usbx: to the structure of otg_global_type
+ * @retval none
+ */
+void usbh_reset_port(usbh_core_type *uhost)
+{
+ otg_host_type *usb_host = OTG_HOST(uhost->usb_reg);
+ uint32_t hprt_val = usb_host->hprt;
+
+ hprt_val &= ~(USB_OTG_HPRT_PRTENA | USB_OTG_HPRT_PRTENCHNG |
+ USB_OTG_HPRT_PRTOVRCACT | USB_OTG_HPRT_PRTCONDET);
+
+ /* set port reset */
+ usb_host->hprt = hprt_val | USB_OTG_HPRT_PRTRST;
+
+ rt_thread_mdelay(100);
+
+ /* clear port reset */
+ usb_host->hprt = hprt_val & (~USB_OTG_HPRT_PRTRST);
+
+ rt_thread_mdelay(20);
+}
+
+/**
+ * @brief usb host attached
+ * @param uhost: to the structure of usbh_core_type
+ * @retval none
+ */
+static void usbh_attached(usbh_core_type *uhost)
+{
+ /* get free channel */
+ uhost->ctrl.hch_in = usbh_alloc_channel(uhost, 0x80);
+ uhost->ctrl.hch_out = usbh_alloc_channel(uhost, 0x00);
+
+ /* user reset callback handler */
+ uhost->user_handler->user_reset();
+
+ /* get device speed */
+ uhost->dev.speed = OTG_HOST(uhost->usb_reg)->hprt_bit.prtspd;
+ uhost->global_state = USBH_ENUMERATION;
+ uhost->user_handler->user_speed(uhost->dev.speed);
+
+ /* enable channel */
+ usbh_hc_open(uhost, uhost->ctrl.hch_in,0x80,
+ uhost->dev.address, EPT_CONTROL_TYPE,
+ uhost->ctrl.ept0_size,
+ uhost->dev.speed);
+
+ /* enable channel */
+ usbh_hc_open(uhost, uhost->ctrl.hch_out,0x00,
+ uhost->dev.address, EPT_CONTROL_TYPE,
+ uhost->ctrl.ept0_size,
+ uhost->dev.speed);
+
+ usb_flush_tx_fifo(uhost->usb_reg, 0x10);
+ usb_flush_rx_fifo(uhost->usb_reg);
+
+ /* user attached callback */
+ uhost->user_handler->user_attached();
+}
+
+
+/**
+ * @brief usb host enumeration
+ * @param uhost: to the structure of usbh_core_type
+ * @retval none
+ */
+static void usbh_enumeration(usbh_core_type *uhost)
+{
+ /* enumeration process */
+ if(usbh_enum_handler(uhost) == USB_OK)
+ {
+ /* user enumeration done callback */
+ uhost->user_handler->user_enumeration_done();
+ uhost->global_state = USBH_USER_HANDLER;
+ }
+}
+
+/**
+ * @brief usb host class request
+ * @param uhost: to the structure of usbh_core_type
+ * @retval none
+ */
+static void usbh_class_request(usbh_core_type *uhost)
+{
+ usb_sts_type status;
+
+ /* class request callback */
+ status = uhost->class_handler->request_handler((void *)uhost);
+ if(status == USB_OK)
+ {
+ uhost->global_state = USBH_CLASS;
+ }
+ else if(status == USB_ERROR || status == USB_FAIL)
+ {
+ uhost->global_state = USBH_ERROR_STATE;
+ }
+ else if(status == USB_NOT_SUPPORT)
+ {
+ uhost->global_state = USBH_ERROR_STATE;
+ }
+}
+
+/**
+ * @brief usb host class handler
+ * @param uhost: to the structure of usbh_core_type
+ * @retval none
+ */
+static void usbh_class(usbh_core_type *uhost)
+{
+ /* process handler */
+ if(uhost->class_handler->process_handler((void *)uhost) == USB_OK)
+ {
+ }
+}
+
+/**
+ * @brief usb host suspend
+ * @param uhost: to the structure of usbh_core_type
+ * @retval none
+ */
+static void usbh_suspend(usbh_core_type *uhost)
+{
+ /* set device feature */
+ if(uhost->ctrl.state == CONTROL_IDLE)
+ {
+ usbh_set_feature(uhost, 0x01, 0);
+ }
+ if(usbh_ctrl_result_check(uhost, CONTROL_IDLE, ENUM_IDLE) == USB_OK)
+ {
+ /* enter suspend mode */
+ rt_thread_mdelay(3);
+ usbh_enter_suspend(uhost);
+ uhost->global_state = USBH_SUSPENDED;
+
+ }
+}
+
+/**
+ * @brief usb host wakeup
+ * @param uhost: to the structure of usbh_core_type
+ * @retval none
+ */
+static void usbh_wakeup(usbh_core_type *uhost)
+{
+ /* clear device feature */
+ if(uhost->ctrl.state == CONTROL_IDLE)
+ {
+ /* usb host resume */
+ usbh_resume(uhost);
+ usbh_clear_dev_feature(uhost, 0x01, 0);
+ }
+ if(usbh_ctrl_result_check(uhost, CONTROL_IDLE, ENUM_IDLE) == USB_OK)
+ {
+ uhost->global_state = USBH_CLASS_REQUEST;
+ }
+}
+
+/**
+ * @brief usb host disconnect
+ * @param uhost: to the structure of usbh_core_type
+ * @retval none
+ */
+static void usbh_disconnect(usbh_core_type *uhost)
+{
+ uint8_t i_index = 0;
+
+ /* set host to default state */
+ usbh_cfg_default_init(uhost);
+
+ /* free host channel */
+ for(i_index = 0; i_index < USB_HOST_CHANNEL_NUM; i_index ++)
+ {
+ usbh_free_channel(uhost, i_index);
+ }
+
+ /* call class reset handler */
+ if(uhost->class_handler->reset_handler != NULL)
+ {
+ uhost->class_handler->reset_handler(uhost);
+ }
+
+ /* set global state to idle */
+ uhost->global_state = USBH_IDLE;
+
+ /*call user disconnect function */
+ uhost->user_handler->user_disconnect();
+}
+
+
+/**
+ * @brief usb host enum loop handler
+ * @param uhost: to the structure of usbh_core_type
+ * @retval none
+ */
+usb_sts_type usbh_loop_handler(usbh_core_type *uhost)
+{
+ usb_sts_type status = USB_FAIL;
+
+ if(uhost->conn_sts == 0 &&
+ uhost->global_state != USBH_IDLE &&
+ uhost->global_state != USBH_DISCONNECT)
+ {
+ uhost->global_state = USBH_IDLE;
+ }
+ switch(uhost->global_state)
+ {
+ case USBH_IDLE:
+ if(uhost->conn_sts == 1)
+ {
+ uhost->global_state = USBH_PORT_EN;
+
+ /* wait stable */
+ rt_thread_mdelay(200);
+
+ /* port reset */
+ usbh_reset_port(uhost);
+
+ /* user reset */
+ uhost->user_handler->user_reset();
+ }
+ break;
+
+ case USBH_PORT_EN:
+ if(uhost->port_enable)
+ {
+ uhost->global_state = USBH_ATTACHED;
+ rt_thread_mdelay(50);
+ }
+ break;
+
+ case USBH_ATTACHED:
+ usbh_attached(uhost);
+ break;
+
+ case USBH_ENUMERATION:
+ usbh_enumeration(uhost);
+ break;
+
+ case USBH_USER_HANDLER:
+ uhost->global_state = USBH_CLASS_REQUEST;
+ if( uhost->class_handler->init_handler(uhost) == USB_NOT_SUPPORT)
+ {
+ uhost->global_state = USBH_UNSUPPORT;
+ }
+ break;
+
+ case USBH_CLASS_REQUEST:
+ usbh_class_request(uhost);
+ break;
+
+ case USBH_CLASS:
+ usbh_class(uhost);
+ break;
+
+ case USBH_SUSPEND:
+ usbh_suspend(uhost);
+ break;
+
+ case USBH_SUSPENDED:
+ break;
+
+ case USBH_WAKEUP:
+ usbh_wakeup(uhost);
+ break;
+
+ case USBH_DISCONNECT:
+ usbh_disconnect(uhost);
+ break;
+
+ case USBH_ERROR_STATE:
+ usbh_cfg_default_init(uhost);
+ uhost->class_handler->reset_handler(uhost);
+ uhost->user_handler->user_reset();
+ break;
+ case USBH_UNSUPPORT:
+ break;
+ default:
+ break;
+ }
+
+ return status;
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
diff --git a/bsp/at32/libraries/usbfs_library/src/usbh_ctrl.c b/bsp/at32/libraries/usbfs_library/src/usbh_ctrl.c
new file mode 100644
index 0000000000..93dc655281
--- /dev/null
+++ b/bsp/at32/libraries/usbfs_library/src/usbh_ctrl.c
@@ -0,0 +1,958 @@
+/**
+ **************************************************************************
+ * @file usbh_ctrl.c
+ * @brief usb host control request
+ **************************************************************************
+ * Copyright notice & Disclaimer
+ *
+ * The software Board Support Package (BSP) that is made available to
+ * download from Artery official website is the copyrighted work of Artery.
+ * Artery authorizes customers to use, copy, and distribute the BSP
+ * software and its related documentation for the purpose of design and
+ * development in conjunction with Artery microcontrollers. Use of the
+ * software is governed by this copyright notice and the following disclaimer.
+ *
+ * THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
+ * GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
+ * TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
+ * STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
+ * INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
+ *
+ **************************************************************************
+ */
+#include "usbh_ctrl.h"
+#include "usbh_core.h"
+#include "usb_std.h"
+
+/** @defgroup USBH_drivers_control
+ * @brief usb host drivers control
+ * @{
+ */
+
+/** @defgroup USBH_ctrl_private_functions
+ * @{
+ */
+
+/* control timeout 5s */
+#define CTRL_TIMEOUT 5000
+
+/**
+ * @brief usb host control send setup packet
+ * @param uhost: to the structure of usbh_core_type
+ * @param buffer: usb control setup send buffer
+ * @param hc_num: channel number
+ * @retval status: usb_sts_type status
+ */
+usb_sts_type usbh_ctrl_send_setup(usbh_core_type *uhost, uint8_t *buffer, uint8_t hc_num)
+{
+ uhost->hch[hc_num].dir = 0;
+ uhost->hch[hc_num].data_pid = HCH_PID_SETUP;
+ uhost->hch[hc_num].trans_buf = buffer;
+ uhost->hch[hc_num].trans_len = 8; /*setup */
+
+ return usbh_in_out_request(uhost, hc_num);
+}
+
+/**
+ * @brief usb host control receive data from device
+ * @param uhost: to the structure of usbh_core_type
+ * @param buffer: usb control receive data buffer
+ * @param length: usb control receive data length
+ * @param hc_num: channel number
+ * @retval status: usb_sts_type status
+ */
+usb_sts_type usbh_ctrl_recv_data(usbh_core_type *uhost, uint8_t *buffer,
+ uint16_t length, uint16_t hc_num)
+{
+ uhost->hch[hc_num].dir = 1;
+ uhost->hch[hc_num].data_pid = HCH_PID_DATA1;
+ uhost->hch[hc_num].trans_buf = buffer;
+ uhost->hch[hc_num].trans_len = length;
+
+ return usbh_in_out_request(uhost, hc_num);
+}
+
+/**
+ * @brief usb host control send data packet
+ * @param uhost: to the structure of usbh_core_type
+ * @param buffer: usb control send data buffer
+ * @param length: usb control send data length
+ * @param hc_num: channel number
+ * @retval status: usb_sts_type status
+ */
+usb_sts_type usbh_ctrl_send_data(usbh_core_type *uhost, uint8_t *buffer,
+ uint16_t length, uint16_t hc_num)
+{
+ uhost->hch[hc_num].dir = 0;
+ uhost->hch[hc_num].trans_buf = buffer;
+ uhost->hch[hc_num].trans_len = length;
+
+ if(length == 0)
+ {
+ uhost->hch[uhost->ctrl.hch_out].toggle_out = 1;
+ }
+ if(uhost->hch[uhost->ctrl.hch_out].toggle_out == 0)
+ {
+ uhost->hch[hc_num].data_pid = HCH_PID_DATA0;
+ }
+ else
+ {
+ uhost->hch[hc_num].data_pid = HCH_PID_DATA1;
+ }
+ return usbh_in_out_request(uhost, hc_num);
+}
+
+/**
+ * @brief usb host control setup request handler
+ * @param uhost: to the structure of usbh_core_type
+ * @retval status: usb_sts_type status
+ */
+usb_sts_type usbh_ctrl_setup_handler(usbh_core_type *uhost)
+{
+ usbh_ctrl_send_setup(uhost, (uint8_t *)(&uhost->ctrl.setup),
+ uhost->ctrl.hch_out);
+ uhost->ctrl.state = CONTROL_SETUP_WAIT;
+ return USB_OK;
+}
+
+/**
+ * @brief usb host control setup request wait handler
+ * @param uhost: to the structure of usbh_core_type
+ * @param timeout: pointer of wait timeout
+ * @retval status: usb_sts_type status
+ */
+usb_sts_type usbh_ctrl_setup_wait_handler(usbh_core_type *uhost, uint32_t *timeout)
+{
+ urb_sts_type urb_state;
+ usb_sts_type status = USB_WAIT;
+ uint8_t dir;
+ urb_state = uhost->urb_state[uhost->ctrl.hch_out];
+ if(urb_state == URB_DONE)
+ {
+ dir = uhost->ctrl.setup.bmRequestType & USB_REQUEST_DIR_MASK;
+ if(uhost->ctrl.setup.wLength != 0)
+ {
+ *timeout = DATA_STAGE_TIMEOUT;
+ if(dir == USB_DIR_D2H) //in
+ {
+ uhost->ctrl.state = CONTROL_DATA_IN;
+ }
+ else //out
+ {
+ uhost->ctrl.state = CONTROL_DATA_OUT;
+ }
+ }
+ else
+ {
+ *timeout = NODATA_STAGE_TIMEOUT;
+ if(dir == USB_DIR_D2H) //no data, send status
+ {
+ uhost->ctrl.state = CONTROL_STATUS_OUT;
+ }
+ else //out
+ {
+ uhost->ctrl.state = CONTROL_STATUS_IN;
+ }
+ }
+ uhost->ctrl.timer = uhost->timer;
+ status = USB_OK;
+ }
+ else if(urb_state == URB_ERROR || urb_state == URB_NOTREADY)
+ {
+ uhost->ctrl.state = CONTROL_ERROR;
+ uhost->ctrl.sts = CTRL_XACTERR;
+ status = USB_ERROR;
+ }
+ else
+ {
+ /* wait nak timeout 5s*/
+ if(uhost->timer - uhost->ctrl.timer > CTRL_TIMEOUT)
+ {
+ uhost->ctrl.state = CONTROL_ERROR;
+ uhost->ctrl.sts = CTRL_XACTERR;
+ status = USB_ERROR;
+ }
+ }
+ return status;
+}
+
+/**
+ * @brief usb host control data in request handler
+ * @param uhost: to the structure of usbh_core_type
+ * @retval status: usb_sts_type status
+ */
+usb_sts_type usbh_ctrl_data_in_handler(usbh_core_type *uhost)
+{
+ usb_sts_type status = USB_OK;
+ usbh_ctrl_recv_data(uhost, uhost->ctrl.buffer,
+ uhost->ctrl.len,
+ uhost->ctrl.hch_in);
+ uhost->ctrl.state = CONTROL_DATA_IN_WAIT;
+
+ return status;
+}
+
+/**
+ * @brief usb host control data in wait handler
+ * @param uhost: to the structure of usbh_core_type
+ * @param timeout: wait timeout
+ * @retval status: usb_sts_type status
+ */
+usb_sts_type usbh_ctrl_data_in_wait_handler(usbh_core_type *uhost, uint32_t timeout)
+{
+ usb_sts_type status = USB_OK;
+ urb_sts_type urb_state;
+ urb_state = uhost->urb_state[uhost->ctrl.hch_in];
+
+ if(urb_state == URB_DONE)
+ {
+ uhost->ctrl.state = CONTROL_STATUS_OUT;
+ }
+ else if(urb_state == URB_STALL)
+ {
+ uhost->ctrl.state = CONTROL_STALL;
+ }
+ else if(urb_state == URB_ERROR)
+ {
+ uhost->ctrl.state = CONTROL_ERROR;
+ }
+ else
+ {
+ /* wait nak timeout 5s*/
+ if(uhost->timer - uhost->ctrl.timer > CTRL_TIMEOUT)
+ {
+ uhost->ctrl.state = CONTROL_ERROR;
+ uhost->ctrl.sts = CTRL_XACTERR;
+ status = USB_ERROR;
+ }
+
+ }
+ return status;
+}
+
+/**
+ * @brief usb host control data out request handler
+ * @param uhost: to the structure of usbh_core_type
+ * @retval status: usb_sts_type status
+ */
+usb_sts_type usbh_ctrl_data_out_handler(usbh_core_type *uhost)
+{
+ usb_sts_type status = USB_OK;
+ uhost->hch[uhost->ctrl.hch_out].toggle_out = 1;
+
+ usbh_ctrl_send_data(uhost, uhost->ctrl.buffer,
+ uhost->ctrl.len,
+ uhost->ctrl.hch_out);
+ uhost->ctrl.state = CONTROL_DATA_OUT_WAIT;
+
+ return status;
+}
+
+/**
+ * @brief usb host control data out wait handler
+ * @param uhost: to the structure of usbh_core_type
+ * @param timeout: wait timeout
+ * @retval status: usb_sts_type status
+ */
+usb_sts_type usbh_ctrl_data_out_wait_handler(usbh_core_type *uhost, uint32_t timeout)
+{
+ usb_sts_type status = USB_OK;
+ urb_sts_type urb_state;
+ urb_state = uhost->urb_state[uhost->ctrl.hch_out];
+ if(urb_state == URB_DONE)
+ {
+ uhost->ctrl.state = CONTROL_STATUS_IN;
+ }
+ else if(urb_state == URB_STALL)
+ {
+ uhost->ctrl.state = CONTROL_STALL;
+ }
+ else if(urb_state == URB_ERROR)
+ {
+ uhost->ctrl.state = CONTROL_ERROR;
+ }
+ else if(urb_state == URB_NOTREADY)
+ {
+ uhost->ctrl.state = CONTROL_DATA_OUT;
+ }
+
+ /* wait nak timeout 5s*/
+ if((uhost->timer - uhost->ctrl.timer > CTRL_TIMEOUT) && (urb_state == URB_NOTREADY))
+ {
+ uhost->ctrl.state = CONTROL_ERROR;
+ uhost->ctrl.sts = CTRL_XACTERR;
+ status = USB_ERROR;
+ }
+ return status;
+}
+
+/**
+ * @brief usb host control status data in handler
+ * @param uhost: to the structure of usbh_core_type
+ * @retval status: usb_sts_type status
+ */
+usb_sts_type usbh_ctrl_status_in_handler(usbh_core_type *uhost)
+{
+ usb_sts_type status = USB_OK;
+ usbh_ctrl_recv_data(uhost, 0, 0,
+ uhost->ctrl.hch_in);
+ uhost->ctrl.state = CONTROL_STATUS_IN_WAIT;
+
+
+ return status;
+}
+
+/**
+ * @brief usb host control status data in wait handler
+ * @param uhost: to the structure of usbh_core_type
+ * @param timeout: wait timeout
+ * @retval status: usb_sts_type status
+ */
+usb_sts_type usbh_ctrl_status_in_wait_handler(usbh_core_type *uhost, uint32_t timeout)
+{
+ usb_sts_type status = USB_OK;
+ urb_sts_type urb_state;
+ urb_state = uhost->urb_state[uhost->ctrl.hch_in];
+ if(urb_state == URB_DONE)
+ {
+ uhost->ctrl.state = CONTROL_COMPLETE;
+ }
+ else if(urb_state == URB_STALL)
+ {
+ uhost->ctrl.state = CONTROL_STALL;
+ status = USB_NOT_SUPPORT;
+ }
+ else if(urb_state == URB_ERROR)
+ {
+ uhost->ctrl.state = CONTROL_ERROR;
+ }
+ else
+ {
+ /* wait nak timeout 5s*/
+ if(uhost->timer - uhost->ctrl.timer > CTRL_TIMEOUT)
+ {
+ uhost->ctrl.state = CONTROL_ERROR;
+ uhost->ctrl.sts = CTRL_XACTERR;
+ status = USB_ERROR;
+ }
+ }
+ return status;
+}
+
+/**
+ * @brief usb host control status data out wait handler
+ * @param uhost: to the structure of usbh_core_type
+ * @retval status: usb_sts_type status
+ */
+usb_sts_type usbh_ctrl_status_out_handler(usbh_core_type *uhost)
+{
+ usb_sts_type status = USB_OK;
+ uhost->hch[uhost->ctrl.hch_out].toggle_out ^= 1;
+
+ usbh_ctrl_send_data(uhost, 0, 0, uhost->ctrl.hch_out);
+ uhost->ctrl.state = CONTROL_STATUS_OUT_WAIT;
+
+ return status;
+}
+
+/**
+ * @brief usb host control status data out wait handler
+ * @param uhost: to the structure of usbh_core_type
+ * @param timeout: wait timeout
+ * @retval status: usb_sts_type status
+ */
+usb_sts_type usbh_ctrl_status_out_wait_handler(usbh_core_type *uhost, uint32_t timeout)
+{
+ usb_sts_type status = USB_OK;
+ urb_sts_type urb_state;
+ urb_state = uhost->urb_state[uhost->ctrl.hch_out];
+ if(urb_state == URB_DONE)
+ {
+ uhost->ctrl.state = CONTROL_COMPLETE;
+ }
+ else if(urb_state == URB_STALL)
+ {
+ uhost->ctrl.state = CONTROL_STALL;
+ }
+ else if(urb_state == URB_ERROR)
+ {
+ uhost->ctrl.state = CONTROL_ERROR;
+ }
+ else if(urb_state == URB_NOTREADY)
+ {
+ uhost->ctrl.state = CONTROL_STATUS_OUT;
+ }
+ /* wait nak timeout 5s*/
+ if((uhost->timer - uhost->ctrl.timer > CTRL_TIMEOUT) && (urb_state == URB_NOTREADY))
+ {
+ uhost->ctrl.state = CONTROL_ERROR;
+ uhost->ctrl.sts = CTRL_XACTERR;
+ status = USB_ERROR;
+ }
+ return status;
+}
+
+/**
+ * @brief usb host control error handler
+ * @param uhost: to the structure of usbh_core_type
+ * @retval status: usb_sts_type status
+ */
+usb_sts_type usbh_ctrl_error_handler(usbh_core_type *uhost)
+{
+ usb_sts_type status = USB_WAIT;
+ if(++ uhost->ctrl.err_cnt <= USBH_MAX_ERROR_COUNT)
+ {
+ uhost->ctrl.state = CONTROL_SETUP;
+ }
+ else
+ {
+ uhost->ctrl.sts = CTRL_FAIL;
+ uhost->global_state = USBH_ERROR_STATE;
+ uhost->ctrl.err_cnt = 0;
+ status = USB_ERROR;
+ }
+ return status;
+}
+
+/**
+ * @brief usb host control stall handler
+ * @param uhost: to the structure of usbh_core_type
+ * @retval usb_sts_type
+ */
+usb_sts_type usbh_ctrl_stall_handler(usbh_core_type *uhost)
+{
+ return USB_NOT_SUPPORT;
+}
+
+/**
+ * @brief usb host control complete handler
+ * @param uhost: to the structure of usbh_core_type
+ * @retval status: usb_sts_type status
+ */
+usb_sts_type usbh_ctrl_complete_handler(usbh_core_type *uhost)
+{
+ return USB_OK;
+}
+
+/**
+ * @brief usb host control transfer loop function
+ * @param uhost: to the structure of usbh_core_type
+ * @retval status: usb_sts_type status
+ */
+usb_sts_type usbh_ctrl_transfer_loop(usbh_core_type *uhost)
+{
+ usb_sts_type status = USB_WAIT;
+ static uint32_t timeout = 0;
+ uhost->ctrl.sts = CTRL_START;
+
+ switch(uhost->ctrl.state)
+ {
+ case CONTROL_SETUP:
+ usbh_ctrl_setup_handler(uhost);
+ uhost->ctrl.timer = uhost->timer;
+ break;
+
+ case CONTROL_SETUP_WAIT:
+ usbh_ctrl_setup_wait_handler(uhost, &timeout);
+ break;
+
+ case CONTROL_DATA_IN:
+ usbh_ctrl_data_in_handler(uhost);
+ break;
+
+ case CONTROL_DATA_IN_WAIT:
+ usbh_ctrl_data_in_wait_handler(uhost, timeout);
+ break;
+
+ case CONTROL_DATA_OUT:
+ usbh_ctrl_data_out_handler(uhost);
+ break;
+
+ case CONTROL_DATA_OUT_WAIT:
+ usbh_ctrl_data_out_wait_handler(uhost, timeout);
+ break;
+
+ case CONTROL_STATUS_IN:
+ usbh_ctrl_status_in_handler(uhost);
+ break;
+
+ case CONTROL_STATUS_IN_WAIT:
+ usbh_ctrl_status_in_wait_handler(uhost, timeout);
+ break;
+
+ case CONTROL_STATUS_OUT:
+ usbh_ctrl_status_out_handler(uhost);
+ break;
+
+ case CONTROL_STATUS_OUT_WAIT:
+ usbh_ctrl_status_out_wait_handler(uhost, timeout);
+ break;
+ case CONTROL_STALL:
+ status = usbh_ctrl_stall_handler(uhost);
+ break;
+ case CONTROL_ERROR:
+ status = usbh_ctrl_error_handler(uhost);
+ break;
+ case CONTROL_COMPLETE:
+ status = usbh_ctrl_complete_handler(uhost);
+ break;
+
+ default:
+ break;
+ }
+
+ return status;
+}
+
+/**
+ * @brief usb host control request
+ * @param uhost: to the structure of usbh_core_type
+ * @param buffer: usb request buffer
+ * @param length: usb request length
+ * @retval status: usb_sts_type status
+ */
+usb_sts_type usbh_ctrl_request(usbh_core_type *uhost, uint8_t *buffer, uint16_t length)
+{
+ usb_sts_type status = USB_OK;
+ if(uhost->req_state == CMD_SEND)
+ {
+ uhost->req_state = CMD_WAIT;
+ uhost->ctrl.buffer = buffer;
+ uhost->ctrl.len = length;
+ uhost->ctrl.state = CONTROL_SETUP;
+ }
+ return status;
+}
+
+/**
+ * @brief usb host get device descriptor
+ * @param uhost: to the structure of usbh_core_type
+ * @param length: get descriptor request length
+ * @param req_type: usb request type
+ * @param wvalue: usb wvalue
+ * @param buffer: request buffer
+ * @retval status: usb_sts_type status
+ */
+usb_sts_type usbh_get_descriptor(usbh_core_type *uhost, uint16_t length,
+ uint8_t req_type, uint16_t wvalue,
+ uint8_t *buffer)
+{
+ usb_sts_type status;
+ uhost->ctrl.setup.bmRequestType = USB_DIR_D2H | req_type;
+ uhost->ctrl.setup.bRequest = USB_STD_REQ_GET_DESCRIPTOR;
+ uhost->ctrl.setup.wValue = wvalue;
+ uhost->ctrl.setup.wLength = length;
+
+ if((wvalue & 0xFF00) == ((USB_DESCIPTOR_TYPE_STRING << 8) & 0xFF00))
+ {
+ uhost->ctrl.setup.wIndex = 0x0409;
+ }
+ else
+ {
+ uhost->ctrl.setup.wIndex = 0;
+ }
+
+ status = usbh_ctrl_request(uhost, buffer, length);
+ return status;
+}
+
+/**
+ * @brief usb host parse device descriptor
+ * @param uhost: to the structure of usbh_core_type
+ * @param buffer: usb device descriptor buffer
+ * @param length: usb device descriptor length
+ * @retval status: usb_sts_type status
+ */
+void usbh_parse_dev_desc(usbh_core_type *uhost, uint8_t *buffer, uint16_t length)
+{
+ usbh_dev_desc_type *desc = &(uhost->dev);
+
+ desc->dev_desc.bLength = *(uint8_t *)(buffer + 0);
+ desc->dev_desc.bDescriptorType = *(uint8_t *)(buffer + 1);
+ desc->dev_desc.bcdUSB = SWAPBYTE(buffer + 2);
+ desc->dev_desc.bDeviceClass = *(uint8_t *)(buffer + 4);
+ desc->dev_desc.bDeviceSubClass = *(uint8_t *)(buffer + 5);
+ desc->dev_desc.bDeviceProtocol = *(uint8_t *)(buffer + 6);
+ desc->dev_desc.bMaxPacketSize0 = *(uint8_t *)(buffer + 7);
+
+ if(length > 8)
+ {
+ desc->dev_desc.idVendor = SWAPBYTE(buffer + 8);
+ desc->dev_desc.idProduct = SWAPBYTE(buffer + 10);
+ desc->dev_desc.bcdDevice = SWAPBYTE(buffer + 12);
+ desc->dev_desc.iManufacturer = *(uint8_t *)(buffer + 14);
+ desc->dev_desc.iProduct = *(uint8_t *)(buffer + 15);
+ desc->dev_desc.iSerialNumber = *(uint8_t *)(buffer + 16);
+ desc->dev_desc.bNumConfigurations = *(uint8_t *)(buffer + 17);
+ }
+}
+
+/**
+ * @brief usb host get next header
+ * @param buffer: usb data buffer
+ * @param index_len: pointer of index len
+ * @retval status: usb_sts_type status
+ */
+usb_header_desc_type *usbh_get_next_header(uint8_t *buf, uint16_t *index_len)
+{
+ *index_len += ((usb_header_desc_type *)buf)->bLength;
+ return (usb_header_desc_type *)
+ ((uint8_t *)buf + ((usb_header_desc_type *)buf)->bLength);
+}
+
+/**
+ * @brief usb host parse interface descriptor
+ * @param intf: usb interface description type
+ * @param buf: interface description data buffer
+ * @retval none
+ */
+void usbh_parse_interface_desc(usb_interface_desc_type *intf, uint8_t *buf)
+{
+ intf->bLength = *(uint8_t *)buf;
+ intf->bDescriptorType = *(uint8_t *)(buf + 1);
+ intf->bInterfaceNumber = *(uint8_t *)(buf + 2);
+ intf->bAlternateSetting = *(uint8_t *)(buf + 3);
+ intf->bNumEndpoints = *(uint8_t *)(buf + 4);
+ intf->bInterfaceClass = *(uint8_t *)(buf + 5);
+ intf->bInterfaceSubClass = *(uint8_t *)(buf + 6);
+ intf->bInterfaceProtocol = *(uint8_t *)(buf + 7);
+ intf->iInterface = *(uint8_t *)(buf + 8);
+}
+
+/**
+ * @brief usb host parse endpoint descriptor
+ * @param ept_desc: endpoint type
+ * @param buf: endpoint description data buffer
+ * @retval none
+ */
+void usbh_parse_endpoint_desc(usb_endpoint_desc_type *ept_desc, uint8_t *buf)
+{
+ ept_desc->bLength = *(uint8_t *)(buf + 0);
+ ept_desc->bDescriptorType = *(uint8_t *)(buf + 1);
+ ept_desc->bEndpointAddress = *(uint8_t *)(buf + 2);
+ ept_desc->bmAttributes = *(uint8_t *)(buf + 3);
+ ept_desc->wMaxPacketSize = SWAPBYTE(buf + 4);
+ ept_desc->bInterval = *(uint8_t *)(buf + 6);
+}
+
+/**
+ * @brief usb host parse configure descriptor
+ * @param uhost: to the structure of usbh_core_type
+ * @param buffer: configure buffer
+ * @param length: configure length
+ * @retval status: usb_sts_type status
+ */
+usb_sts_type usbh_parse_configure_desc(usbh_core_type *uhost,
+ uint8_t *buffer, uint16_t length)
+{
+ usb_cfg_desc_type *cfg_desc = &(uhost->dev.cfg_desc);
+ usb_interface_desc_type *intf_desc;
+ usb_endpoint_desc_type *ept_desc;
+ usb_header_desc_type *desc;
+ uint16_t index_len;
+ uint8_t index_intf = 0;
+ uint8_t index_ept = 0;
+
+ desc = (usb_header_desc_type *)buffer;
+ cfg_desc->cfg.bLength = *(uint8_t *)buffer;
+ cfg_desc->cfg.bDescriptorType = *(uint8_t *)(buffer + 1);
+ cfg_desc->cfg.wTotalLength = SWAPBYTE(buffer + 2);
+ cfg_desc->cfg.bNumInterfaces = *(uint8_t *)(buffer + 4);
+ cfg_desc->cfg.bConfigurationValue = *(uint8_t *)(buffer + 5);
+ cfg_desc->cfg.iConfiguration = *(uint8_t *)(buffer + 6);
+ cfg_desc->cfg.bmAttributes = *(uint8_t *)(buffer + 7);
+ cfg_desc->cfg.bMaxPower = *(uint8_t *)(buffer + 8);
+
+ if(length > USB_DEVICE_CFG_DESC_LEN)
+ {
+ index_len = USB_DEVICE_CFG_DESC_LEN;
+
+ while((index_intf < USBH_MAX_INTERFACE) && index_len < cfg_desc->cfg.wTotalLength)
+ {
+ desc = usbh_get_next_header((uint8_t *)desc, &index_len);
+ if(desc->bDescriptorType == USB_DESCIPTOR_TYPE_INTERFACE)
+ {
+ index_ept = 0;
+ intf_desc = &cfg_desc->interface[index_intf].interface;
+ usbh_parse_interface_desc(intf_desc, (uint8_t *)desc);
+
+ while(index_ept < intf_desc->bNumEndpoints && index_len < cfg_desc->cfg.wTotalLength)
+ {
+ desc = usbh_get_next_header((uint8_t *)desc, &index_len);
+ if(desc->bDescriptorType == USB_DESCIPTOR_TYPE_ENDPOINT)
+ {
+ ept_desc = &(cfg_desc->interface[index_intf].endpoint[index_ept]);
+ usbh_parse_endpoint_desc(ept_desc, (uint8_t *)desc);
+ index_ept ++;
+ }
+ }
+ index_intf ++;
+ }
+ }
+ }
+ return USB_OK;
+}
+
+/**
+ * @brief usb host find interface
+ * @param uhost: to the structure of usbh_core_type
+ * @param class_code: class code
+ * @param sub_class: subclass code
+ * @param protocol: prtocol code
+ * @retval idx: interface index
+ */
+uint8_t usbh_find_interface(usbh_core_type *uhost, uint8_t class_code, uint8_t sub_class, uint8_t protocol)
+{
+ uint8_t idx = 0;
+ usb_itf_desc_type *usbitf;
+ for(idx = 0; idx < uhost->dev.cfg_desc.cfg.bNumInterfaces; idx ++)
+ {
+ usbitf = &uhost->dev.cfg_desc.interface[idx];
+ if(((usbitf->interface.bInterfaceClass == class_code) || (class_code == 0xFF)) &&
+ ((usbitf->interface.bInterfaceSubClass == sub_class) || (sub_class == 0xFF)) &&
+ ((usbitf->interface.bInterfaceProtocol == protocol) || (protocol == 0xFF))
+ )
+ {
+ return idx;
+ }
+ }
+ return 0xFF;
+}
+
+/**
+ * @brief usbh parse string descriptor
+ * @param src: string source pointer
+ * @param dest: string destination pointer
+ * @param length: string length
+ * @retval none
+ */
+void usbh_parse_string_desc(uint8_t *src, uint8_t *dest, uint16_t length)
+{
+ uint16_t len;
+ uint16_t i_index;
+
+ if(src[1] == USB_DESCIPTOR_TYPE_STRING)
+ {
+ len = ((src[0] - 2) <= length ? (src[0] - 2) : length);
+ src += 2;
+ for(i_index = 0; i_index < len; i_index += 2)
+ {
+ *dest = src[i_index];
+ dest ++;
+ }
+ *dest = 0;
+ }
+}
+
+/**
+ * @brief usb host get device descriptor
+ * @param uhost: to the structure of usbh_core_type
+ * @param length: get device descriptor length
+ * @retval status: usb_sts_type status
+ */
+usb_sts_type usbh_get_device_descriptor(usbh_core_type *uhost, uint16_t length)
+{
+ usb_sts_type status = USB_WAIT;
+ uint8_t bm_req;
+ uint16_t wvalue;
+
+ bm_req = USB_REQ_RECIPIENT_DEVICE | USB_REQ_TYPE_STANDARD;
+ wvalue = (USB_DESCIPTOR_TYPE_DEVICE << 8) & 0xFF00;
+
+ status = usbh_get_descriptor(uhost, length, bm_req,
+ wvalue, uhost->rx_buffer);
+ return status;
+}
+
+/**
+ * @brief usb host get configure descriptor
+ * @param uhost: to the structure of usbh_core_type
+ * @param length: get device configure length
+ * @retval status: usb_sts_type status
+ */
+usb_sts_type usbh_get_configure_descriptor(usbh_core_type *uhost, uint16_t length)
+{
+ usb_sts_type status = USB_WAIT;
+ uint8_t bm_req;
+ uint16_t wvalue;
+
+ bm_req = USB_REQ_RECIPIENT_DEVICE | USB_REQ_TYPE_STANDARD;
+ wvalue = (USB_DESCIPTOR_TYPE_CONFIGURATION << 8) & 0xFF00;
+
+ status = usbh_get_descriptor(uhost, length, bm_req,
+ wvalue, uhost->rx_buffer);
+
+ return status;
+}
+
+/**
+ * @brief usb host get string descriptor
+ * @param uhost: to the structure of usbh_core_type
+ * @param string_id: string id
+ * @param buffer: receive data buffer
+ * @param length: get device string length
+ * @retval status: usb_sts_type status
+ */
+usb_sts_type usbh_get_sting_descriptor(usbh_core_type *uhost, uint8_t string_id,
+ uint8_t *buffer, uint16_t length)
+{
+ usb_sts_type status = USB_WAIT;
+ uint8_t bm_req;
+ uint16_t wvalue;
+
+ bm_req = USB_REQ_RECIPIENT_DEVICE | USB_REQ_TYPE_STANDARD;
+ wvalue = (USB_DESCIPTOR_TYPE_STRING << 8) | string_id;
+
+ status = usbh_get_descriptor(uhost, length, bm_req,
+ wvalue, uhost->rx_buffer);
+
+ return status;
+}
+
+/**
+ * @brief usb host set configurtion
+ * @param uhost: to the structure of usbh_core_type
+ * @param config: usb configuration
+ * @retval status: usb_sts_type status
+ */
+usb_sts_type usbh_set_configuration(usbh_core_type *uhost, uint16_t config)
+{
+ usb_sts_type status = USB_WAIT;
+ uint8_t bm_req;
+ bm_req = USB_REQ_RECIPIENT_DEVICE | USB_REQ_TYPE_STANDARD;
+
+ uhost->ctrl.setup.bmRequestType = USB_DIR_H2D | bm_req;
+ uhost->ctrl.setup.bRequest = USB_STD_REQ_SET_CONFIGURATION;
+ uhost->ctrl.setup.wValue = config;
+ uhost->ctrl.setup.wLength = 0;
+ uhost->ctrl.setup.wIndex = 0;
+ status = usbh_ctrl_request(uhost, 0, 0);
+ return status;
+}
+
+/**
+ * @brief usb host set device address
+ * @param uhost: to the structure of usbh_core_type
+ * @param address: device address
+ * @retval status: usb_sts_type status
+ */
+usb_sts_type usbh_set_address(usbh_core_type *uhost, uint8_t address)
+{
+ usb_sts_type status = USB_WAIT;
+ uint8_t bm_req;
+ bm_req = USB_REQ_RECIPIENT_DEVICE | USB_REQ_TYPE_STANDARD;
+
+ uhost->ctrl.setup.bmRequestType = USB_DIR_H2D | bm_req;
+ uhost->ctrl.setup.bRequest = USB_STD_REQ_SET_ADDRESS;
+ uhost->ctrl.setup.wValue = (uint16_t)address;
+ uhost->ctrl.setup.wLength = 0;
+ uhost->ctrl.setup.wIndex = 0;
+ status = usbh_ctrl_request(uhost, 0, 0);
+ return status;
+}
+
+/**
+ * @brief usb host set interface
+ * @param uhost: to the structure of usbh_core_type
+ * @param ept_num: endpoint number
+ * @param altsetting: alter setting
+ * @retval status: usb_sts_type status
+ */
+usb_sts_type usbh_set_interface(usbh_core_type *uhost, uint8_t ept_num, uint8_t altsetting)
+{
+ usb_sts_type status = USB_WAIT;
+ uint8_t bm_req;
+ bm_req = USB_REQ_RECIPIENT_INTERFACE | USB_REQ_TYPE_STANDARD;
+
+ uhost->ctrl.setup.bmRequestType = USB_DIR_H2D | bm_req;
+ uhost->ctrl.setup.bRequest = USB_STD_REQ_SET_INTERFACE;
+ uhost->ctrl.setup.wValue = (uint16_t)altsetting;
+ uhost->ctrl.setup.wLength = 0;
+ uhost->ctrl.setup.wIndex = ept_num;
+ status = usbh_ctrl_request(uhost, 0, 0);
+ return status;
+}
+
+/**
+ * @brief usb host set feature
+ * @param uhost: to the structure of usbh_core_type
+ * @param feature: feature number
+ * @param index: index number
+ * @retval status: usb_sts_type status
+ */
+usb_sts_type usbh_set_feature(usbh_core_type *uhost, uint8_t feature, uint16_t index)
+{
+ usb_sts_type status = USB_WAIT;
+ uint8_t bm_req;
+ bm_req = USB_REQ_RECIPIENT_DEVICE | USB_REQ_TYPE_STANDARD;
+
+ uhost->ctrl.setup.bmRequestType = USB_DIR_H2D | bm_req;
+ uhost->ctrl.setup.bRequest = USB_STD_REQ_SET_FEATURE;
+ uhost->ctrl.setup.wValue = (uint16_t)feature;
+ uhost->ctrl.setup.wLength = 0;
+ uhost->ctrl.setup.wIndex = index;
+ status = usbh_ctrl_request(uhost, 0, 0);
+ return status;
+}
+
+
+/**
+ * @brief usb host clear device feature
+ * @param uhost: to the structure of usbh_core_type
+ * @param feature: feature number
+ * @param index: index number
+ * @retval status: usb_sts_type status
+ */
+usb_sts_type usbh_clear_dev_feature(usbh_core_type *uhost, uint8_t feature, uint16_t index)
+{
+ usb_sts_type status = USB_WAIT;
+ uint8_t bm_req;
+ bm_req = USB_REQ_RECIPIENT_DEVICE | USB_REQ_TYPE_STANDARD;
+
+ uhost->ctrl.setup.bmRequestType = USB_DIR_H2D | bm_req;
+ uhost->ctrl.setup.bRequest = USB_STD_REQ_CLEAR_FEATURE;
+ uhost->ctrl.setup.wValue = (uint16_t)feature;
+ uhost->ctrl.setup.wLength = 0;
+ uhost->ctrl.setup.wIndex = index;
+ status = usbh_ctrl_request(uhost, 0, 0);
+ return status;
+}
+
+/**
+ * @brief usb host clear endpoint feature
+ * @param uhost: to the structure of usbh_core_type
+ * @param ept_num: endpoint number
+ * @param hc_num: host channel number
+ * @retval status: usb_sts_type status
+ */
+usb_sts_type usbh_clear_ept_feature(usbh_core_type *uhost, uint8_t ept_num, uint8_t hc_num)
+{
+ usb_sts_type status = USB_WAIT;
+ uint8_t bm_req;
+ if(uhost->ctrl.state == CONTROL_IDLE )
+ {
+ bm_req = USB_REQ_RECIPIENT_ENDPOINT | USB_REQ_TYPE_STANDARD;
+
+ uhost->ctrl.setup.bmRequestType = USB_DIR_H2D | bm_req;
+ uhost->ctrl.setup.bRequest = USB_STD_REQ_CLEAR_FEATURE;
+ uhost->ctrl.setup.wValue = USB_FEATURE_EPT_HALT;
+ uhost->ctrl.setup.wLength = 0;
+ uhost->ctrl.setup.wIndex = ept_num;
+ usbh_ctrl_request(uhost, 0, 0);
+ }
+ if(usbh_ctrl_result_check(uhost, CONTROL_IDLE, ENUM_IDLE) == USB_OK)
+ {
+ status = USB_OK;
+ }
+ return status;
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
diff --git a/bsp/at32/libraries/usbfs_library/src/usbh_int.c b/bsp/at32/libraries/usbfs_library/src/usbh_int.c
new file mode 100644
index 0000000000..1b873eca86
--- /dev/null
+++ b/bsp/at32/libraries/usbfs_library/src/usbh_int.c
@@ -0,0 +1,540 @@
+/**
+ **************************************************************************
+ * @file usbh_int.c
+ * @brief usb host interrupt request
+ **************************************************************************
+ * Copyright notice & Disclaimer
+ *
+ * The software Board Support Package (BSP) that is made available to
+ * download from Artery official website is the copyrighted work of Artery.
+ * Artery authorizes customers to use, copy, and distribute the BSP
+ * software and its related documentation for the purpose of design and
+ * development in conjunction with Artery microcontrollers. Use of the
+ * software is governed by this copyright notice and the following disclaimer.
+ *
+ * THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
+ * GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
+ * TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
+ * STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
+ * INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
+ *
+ **************************************************************************
+ */
+#include "usbh_int.h"
+
+/** @defgroup USBH_drivers_interrupt
+ * @brief usb host interrupt
+ * @{
+ */
+
+/** @defgroup USBH_int_private_functions
+ * @{
+ */
+
+/**
+ * @brief usb host interrupt handler
+ * @param otgdev: to the structure of otg_core_type
+ * @retval none
+ */
+void usbh_irq_handler(otg_core_type *otgdev)
+{
+ otg_global_type *usbx = otgdev->usb_reg;
+ usbh_core_type *uhost = &otgdev->host;
+ uint32_t intsts = usb_global_get_all_interrupt(usbx);
+
+ if(usbx->gintsts_bit.curmode == 1)
+ {
+ if(intsts & USB_OTG_HCH_FLAG)
+ {
+ usbh_hch_handler(uhost);
+ usb_global_clear_interrupt(usbx, USB_OTG_HCH_FLAG);
+ }
+ if(intsts & USB_OTG_SOF_FLAG)
+ {
+ usbh_sof_handler(uhost);
+ usb_global_clear_interrupt(usbx, USB_OTG_SOF_FLAG);
+ }
+ if(intsts & USB_OTG_MODEMIS_FLAG)
+ {
+ usb_global_clear_interrupt(usbx, USB_OTG_MODEMIS_FLAG);
+ }
+ if(intsts & USB_OTG_WKUP_FLAG)
+ {
+ usbh_wakeup_handler(uhost);
+ usb_global_clear_interrupt(usbx, USB_OTG_WKUP_FLAG);
+ }
+ while(usbx->gintsts & USB_OTG_RXFLVL_FLAG)
+ {
+ usbh_rx_qlvl_handler(uhost);
+ usb_global_clear_interrupt(usbx, USB_OTG_RXFLVL_FLAG);
+ }
+ if(intsts & USB_OTG_DISCON_FLAG)
+ {
+ usbh_disconnect_handler(uhost);
+ usb_global_clear_interrupt(usbx, USB_OTG_DISCON_FLAG);
+ }
+ if(intsts & USB_OTG_PRT_FLAG)
+ {
+ usbh_port_handler(uhost);
+ }
+ if(intsts & USB_OTG_INCOMPIP_INCOMPISOOUT_FLAG)
+ {
+ usb_global_clear_interrupt(usbx, USB_OTG_INCOMPIP_INCOMPISOOUT_FLAG);
+ }
+ if(intsts & USB_OTG_INCOMISOIN_FLAG)
+ {
+ usb_global_clear_interrupt(usbx, USB_OTG_INCOMISOIN_FLAG);
+ }
+ if(intsts & USB_OTG_PTXFEMP_FLAG)
+ {
+ usb_global_clear_interrupt(usbx, USB_OTG_PTXFEMP_FLAG);
+ }
+ if(intsts & USB_OTG_ISOOUTDROP_FLAG)
+ {
+ usb_global_clear_interrupt(usbx, USB_OTG_ISOOUTDROP_FLAG);
+ }
+
+ }
+}
+
+/**
+ * @brief usb host wakeup handler
+ * @param uhost: to the structure of usbh_core_type
+ * @retval none
+ */
+void usbh_wakeup_handler(usbh_core_type *uhost)
+{
+ uhost->global_state = USBH_WAKEUP;
+}
+
+/**
+ * @brief usb host sof handler
+ * @param uhost: to the structure of usbh_core_type
+ * @retval none
+ */
+void usbh_sof_handler(usbh_core_type *uhost)
+{
+ uhost->timer ++;
+}
+
+/**
+ * @brief usb host disconnect handler
+ * @param uhost: to the structure of usbh_core_type
+ * @retval none
+ */
+void usbh_disconnect_handler(usbh_core_type *uhost)
+{
+ otg_global_type *usbx = uhost->usb_reg;
+
+ uint8_t i_index;
+
+ usb_host_disable(usbx);
+
+ uhost->conn_sts = 0;
+
+ uhost->global_state = USBH_DISCONNECT;
+
+ for(i_index = 0; i_index < USB_HOST_CHANNEL_NUM; i_index ++)
+ {
+ usbh_free_channel(uhost, i_index);
+ }
+ usbh_fsls_clksel(usbx, USB_HCFG_CLK_48M);
+
+ usbh_disconnect_callback(uhost);
+}
+
+/**
+ * @brief usb host in transfer request handler
+ * @param uhost: to the structure of usbh_core_type
+ * @param chn: channel number
+ * @retval none
+ */
+void usbh_hch_in_handler(usbh_core_type *uhost, uint8_t chn)
+{
+ otg_global_type *usbx = uhost->usb_reg;
+ otg_hchannel_type *usb_chh = USB_CHL(usbx, chn);
+ uint32_t hcint_value = usb_chh->hcint & usb_chh->hcintmsk;
+
+ if( hcint_value & USB_OTG_HC_ACK_FLAG)
+ {
+ usb_chh->hcint = USB_OTG_HC_ACK_FLAG;
+ }
+ else if(hcint_value & USB_OTG_HC_STALL_FLAG)
+ {
+ usb_chh->hcintmsk_bit.chhltdmsk = TRUE;
+ usb_chh->hcint = USB_OTG_HC_NAK_FLAG | USB_OTG_HC_STALL_FLAG;
+ uhost->hch[chn].state = HCH_STALL;
+ usb_hch_halt(usbx, chn);
+ }
+ else if(hcint_value & USB_OTG_HC_DTGLERR_FLAG)
+ {
+ usb_chh->hcintmsk_bit.chhltdmsk = TRUE;
+ usb_hch_halt(usbx, chn);
+ usb_chh->hcint = USB_OTG_HC_DTGLERR_FLAG | USB_OTG_HC_NAK_FLAG;
+ uhost->hch[chn].state = HCH_DATATGLERR;
+ }
+
+ else if(hcint_value & USB_OTG_HC_FRMOVRRUN_FLAG)
+ {
+ usb_chh->hcintmsk_bit.chhltdmsk = TRUE;
+ usb_hch_halt(usbx, chn);
+ usb_chh->hcint = USB_OTG_HC_FRMOVRRUN_FLAG;
+ }
+ else if(hcint_value & USB_OTG_HC_XFERC_FLAG)
+ {
+ uhost->hch[chn].state = HCH_XFRC;
+ usb_chh->hcint = USB_OTG_HC_XFERC_FLAG;
+
+ if(usb_chh->hcchar_bit.eptype == EPT_BULK_TYPE || usb_chh->hcchar_bit.eptype == EPT_CONTROL_TYPE)
+ {
+ usb_chh->hcintmsk_bit.chhltdmsk = TRUE;
+ usb_hch_halt(usbx, chn);
+ usb_chh->hcint = USB_OTG_HC_NAK_FLAG;
+ }
+ else if(usb_chh->hcchar_bit.eptype == EPT_INT_TYPE)
+ {
+ usb_chh->hcchar_bit.oddfrm = TRUE;
+ uhost->urb_state[chn] = URB_DONE;
+
+ usbd_notify_urbchange_callback(uhost, chn, uhost->urb_state[chn]);
+ }
+ else if(usb_chh->hcchar_bit.eptype == EPT_ISO_TYPE)
+ {
+ uhost->urb_state[chn] = URB_DONE;
+ usbd_notify_urbchange_callback(uhost, chn, uhost->urb_state[chn]);
+ }
+ uhost->hch[chn].toggle_in ^= 1;
+ }
+ else if(hcint_value & USB_OTG_HC_CHHLTD_FLAG)
+ {
+ usb_chh->hcintmsk_bit.chhltdmsk = FALSE;
+ if(uhost->hch[chn].state == HCH_XFRC )
+ {
+ uhost->urb_state[chn] = URB_DONE;
+ }
+ else if(uhost->hch[chn].state == HCH_STALL)
+ {
+ uhost->urb_state[chn] = URB_STALL;
+ }
+ else if(uhost->hch[chn].state == HCH_XACTERR ||
+ uhost->hch[chn].state == HCH_DATATGLERR)
+ {
+ uhost->err_cnt[chn] ++;
+ if(uhost->err_cnt[chn] > 3)
+ {
+ uhost->urb_state[chn] = URB_ERROR;
+ uhost->err_cnt[chn] = 0;
+ }
+ else
+ {
+ uhost->urb_state[chn] = URB_NOTREADY;
+ }
+ usb_chh->hcchar_bit.chdis = FALSE;
+ usb_chh->hcchar_bit.chena = TRUE;
+ }
+ else if(uhost->hch[chn].state == HCH_NAK)
+ {
+ usb_chh->hcchar_bit.chdis = FALSE;
+ usb_chh->hcchar_bit.chena = TRUE;
+ uhost->urb_state[chn] = URB_NOTREADY;
+ }
+ usb_chh->hcint = USB_OTG_HC_CHHLTD_FLAG;
+ usbd_notify_urbchange_callback(uhost, chn, uhost->urb_state[chn]);
+ }
+ else if(hcint_value & USB_OTG_HC_XACTERR_FLAG)
+ {
+ usb_chh->hcintmsk_bit.chhltdmsk = TRUE;
+ uhost->hch[chn].state = HCH_XACTERR;
+ usb_hch_halt(usbx, chn);
+ uhost->err_cnt[chn] ++;
+ usb_chh->hcint = USB_OTG_HC_XACTERR_FLAG;
+ }
+ else if(hcint_value & USB_OTG_HC_NAK_FLAG)
+ {
+ if(usb_chh->hcchar_bit.eptype == EPT_INT_TYPE)
+ {
+ uhost->err_cnt[chn] = 0;
+ usb_chh->hcintmsk_bit.chhltdmsk = TRUE;
+ usb_hch_halt(usbx, chn);
+ }
+ else if(usb_chh->hcchar_bit.eptype == EPT_BULK_TYPE ||
+ usb_chh->hcchar_bit.eptype == EPT_CONTROL_TYPE)
+ {
+ uhost->err_cnt[chn] = 0;
+ usb_chh->hcintmsk_bit.chhltdmsk = TRUE;
+ usb_hch_halt(usbx, chn);
+ }
+ uhost->hch[chn].state = HCH_NAK;
+ usb_chh->hcint = USB_OTG_HC_NAK_FLAG;
+ }
+ else if(hcint_value & USB_OTG_HC_BBLERR_FLAG)
+ {
+ usb_chh->hcint = USB_OTG_HC_BBLERR_FLAG;
+ }
+}
+
+/**
+ * @brief usb host out transfer request handler
+ * @param uhost: to the structure of usbh_core_type
+ * @param chn: channel number
+ * @retval none
+ */
+void usbh_hch_out_handler(usbh_core_type *uhost, uint8_t chn)
+{
+ otg_global_type *usbx = uhost->usb_reg;
+ otg_hchannel_type *usb_chh = USB_CHL(usbx, chn);
+ uint32_t hcint_value = usb_chh->hcint & usb_chh->hcintmsk;
+
+ if( hcint_value & USB_OTG_HC_ACK_FLAG)
+ {
+ usb_chh->hcint = USB_OTG_HC_ACK_FLAG;
+ }
+ else if( hcint_value & USB_OTG_HC_FRMOVRRUN_FLAG)
+ {
+ usb_chh->hcintmsk_bit.chhltdmsk = TRUE;
+ usb_hch_halt(usbx, chn);
+ usb_chh->hcint = USB_OTG_HC_FRMOVRRUN_FLAG;
+ }
+ else if( hcint_value & USB_OTG_HC_XFERC_FLAG)
+ {
+ usb_chh->hcintmsk_bit.chhltdmsk = TRUE;
+ usb_hch_halt(usbx, chn);
+ uhost->hch[chn].state = HCH_XFRC;
+ usb_chh->hcint = USB_OTG_HC_XFERC_FLAG;
+ }
+ else if( hcint_value & USB_OTG_HC_STALL_FLAG)
+ {
+ usb_chh->hcintmsk_bit.chhltdmsk = TRUE;
+ usb_chh->hcint = USB_OTG_HC_STALL_FLAG;
+ uhost->hch[chn].state = HCH_STALL;
+ usb_hch_halt(usbx, chn);
+ }
+ else if( hcint_value & USB_OTG_HC_DTGLERR_FLAG)
+ {
+ usb_chh->hcintmsk_bit.chhltdmsk = TRUE;
+ usb_hch_halt(usbx, chn);
+ usb_chh->hcint = USB_OTG_HC_DTGLERR_FLAG | USB_OTG_HC_NAK_FLAG;
+ uhost->hch[chn].state = HCH_DATATGLERR;
+ }
+ else if( hcint_value & USB_OTG_HC_CHHLTD_FLAG)
+ {
+ usb_chh->hcintmsk_bit.chhltdmsk = FALSE;
+ if(uhost->hch[chn].state == HCH_XFRC)
+ {
+ uhost->urb_state[chn] = URB_DONE;
+ if(uhost->hch[chn].ept_type == EPT_BULK_TYPE ||
+ uhost->hch[chn].ept_type == EPT_INT_TYPE)
+ {
+ uhost->hch[chn].toggle_out ^= 1;
+ }
+ }
+ else if(uhost->hch[chn].state == HCH_NAK)
+ {
+ uhost->urb_state[chn] = URB_NOTREADY;
+ }
+ else if(uhost->hch[chn].state == HCH_STALL)
+ {
+ uhost->hch[chn].urb_sts = URB_STALL;
+ }
+ else if(uhost->hch[chn].state == HCH_XACTERR ||
+ uhost->hch[chn].state == HCH_DATATGLERR)
+ {
+ uhost->err_cnt[chn] ++;
+ if(uhost->err_cnt[chn] > 3)
+ {
+ uhost->urb_state[chn] = URB_ERROR;
+ uhost->err_cnt[chn] = 0;
+ usbd_notify_urbchange_callback(uhost, chn, uhost->urb_state[chn]);
+ }
+ else
+ {
+ uhost->urb_state[chn] = URB_NOTREADY;
+ }
+
+ usb_chh->hcchar_bit.chdis = FALSE;
+ usb_chh->hcchar_bit.chena = TRUE;
+ }
+ usb_chh->hcint = USB_OTG_HC_CHHLTD_FLAG;
+ usbd_notify_urbchange_callback(uhost, chn, uhost->urb_state[chn]);
+ }
+ else if( hcint_value & USB_OTG_HC_XACTERR_FLAG)
+ {
+ usb_chh->hcintmsk_bit.chhltdmsk = TRUE;
+ uhost->err_cnt[chn] ++;
+ uhost->hch[chn].state = HCH_XACTERR;
+ usb_hch_halt(usbx, chn);
+ usb_chh->hcint = USB_OTG_HC_XACTERR_FLAG | USB_OTG_HC_NAK_FLAG;
+ }
+ else if( hcint_value & USB_OTG_HC_NAK_FLAG)
+ {
+ usb_chh->hcintmsk_bit.chhltdmsk = TRUE;
+ uhost->err_cnt[chn] = 0;
+ usb_hch_halt(usbx, chn);
+ uhost->hch[chn].state = HCH_NAK;
+ usb_chh->hcint = USB_OTG_HC_NAK_FLAG;
+ }
+}
+
+/**
+ * @brief usb host channel request handler
+ * @param uhost: to the structure of usbh_core_type
+ * @retval none
+ */
+void usbh_hch_handler(usbh_core_type *uhost)
+{
+ otg_global_type *usbx = uhost->usb_reg;
+ otg_host_type *usb_host = OTG_HOST(usbx);
+ uint32_t intsts, i_index;
+
+ intsts = usb_host->haint & 0xFFFF;
+ for(i_index = 0; i_index < 16; i_index ++)
+ {
+ if(intsts & (1 << i_index))
+ {
+ if(USB_CHL(usbx, i_index)->hcchar_bit.eptdir)
+ {
+ //hc in
+ usbh_hch_in_handler(uhost, i_index);
+ }
+ else
+ {
+ //hc out
+ usbh_hch_out_handler(uhost, i_index);
+ }
+ }
+ }
+}
+
+/**
+ * @brief usb host rx buffer not empty request handler
+ * @param uhost: to the structure of usbh_core_type
+ * @retval none
+ */
+void usbh_rx_qlvl_handler(usbh_core_type *uhost)
+{
+ uint8_t chn;
+ uint32_t pktsts;
+ uint32_t pktcnt;
+ uint32_t tmp;
+ otg_hchannel_type *ch;
+ otg_global_type *usbx = uhost->usb_reg;
+
+ usbx->gintmsk_bit.rxflvlmsk = 0;
+
+ tmp = usbx->grxstsp;
+ chn = tmp & 0xF;
+ pktsts = (tmp >> 17) & 0xF;
+ pktcnt = (tmp >> 4) & 0x7FF;
+ ch = USB_CHL(usbx, chn);
+ switch(pktsts)
+ {
+ case PKTSTS_IN_DATA_PACKET_RECV:
+ if(pktcnt > 0 && (uhost->hch[chn].trans_buf) != 0)
+ {
+ usb_read_packet(usbx, uhost->hch[chn].trans_buf, chn, pktcnt);
+ uhost->hch[chn].trans_buf += pktcnt;
+ uhost->hch[chn].trans_count += pktcnt;
+
+ if(ch->hctsiz_bit.pktcnt > 0)
+ {
+ ch->hcchar_bit.chdis = FALSE;
+ ch->hcchar_bit.chena = TRUE;
+ uhost->hch[chn].toggle_in ^= 1;
+ }
+ }
+ break;
+ case PKTSTS_IN_TRANSFER_COMPLETE:
+ break;
+ case PKTSTS_DATA_BIT_ERROR:
+ break;
+ case PKTSTS_CHANNEL_STOP:
+ break;
+ default:
+ break;
+
+ }
+ usbx->gintmsk_bit.rxflvlmsk = 1;
+}
+
+/**
+ * @brief usb host port request handler
+ * @param uhost: to the structure of usbh_core_type
+ * @retval none
+ */
+void usbh_port_handler(usbh_core_type *uhost)
+{
+ otg_global_type *usbx = uhost->usb_reg;
+ otg_host_type *usb_host = OTG_HOST(usbx);
+
+ uint32_t prt = 0, prt_0;
+
+ prt = usb_host->hprt;
+ prt_0 = prt;
+
+ prt_0 &= ~(USB_OTG_HPRT_PRTENA | USB_OTG_HPRT_PRTENCHNG |
+ USB_OTG_HPRT_PRTOVRCACT | USB_OTG_HPRT_PRTCONDET);
+ if(prt & USB_OTG_HPRT_PRTCONDET)
+ {
+ if(prt & USB_OTG_HPRT_PRTCONSTS)
+ {
+ /* connect callback */
+ uhost->conn_sts = 1;
+ }
+
+ usbh_connect_callback(uhost);
+ prt_0 |= USB_OTG_HPRT_PRTCONDET;
+ }
+
+ if(prt & USB_OTG_HPRT_PRTENCHNG)
+ {
+ prt_0 |= USB_OTG_HPRT_PRTENCHNG;
+
+ if(prt & USB_OTG_HPRT_PRTENA)
+ {
+ if((prt & USB_OTG_HPRT_PRTSPD) == (USB_PRTSPD_LOW_SPEED << 17))
+ {
+ usbh_fsls_clksel(usbx, USB_HCFG_CLK_6M);
+ }
+ else
+ {
+ usbh_fsls_clksel(usbx, USB_HCFG_CLK_48M);
+ }
+ /* connect callback */
+ uhost->port_enable = 1;
+ }
+ else
+ {
+ /* clean up hprt */
+ uhost->port_enable = 0;
+ }
+ }
+
+ if(prt & USB_OTG_HPRT_PRTOVRCACT)
+ {
+ prt_0 |= USB_OTG_HPRT_PRTOVRCACT;
+ }
+
+ usb_host->hprt = prt_0;
+}
+
+__weak void usbh_connect_callback(usbh_core_type *uhost)
+{
+}
+
+__weak void usbh_disconnect_callback(usbh_core_type *uhost)
+{
+}
+
+__weak void usbd_notify_urbchange_callback(usbh_core_type *uhost, uint8_t chnum, urb_sts_type sts)
+{
+}
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
diff --git a/bsp/at32/tools/sdk_dist.py b/bsp/at32/tools/sdk_dist.py
index 3dac286330..39965e7bac 100644
--- a/bsp/at32/tools/sdk_dist.py
+++ b/bsp/at32/tools/sdk_dist.py
@@ -35,5 +35,7 @@ def dist_do_building(BSP_ROOT, dist_dir):
print("=> copy bsp drivers")
bsp_copy_files(os.path.join(library_path, 'rt_drivers'), os.path.join(library_dir, 'rt_drivers'))
+ bsp_copy_files(os.path.join(library_path, 'usbd_library'), os.path.join(library_dir, 'usbd_library'))
+ bsp_copy_files(os.path.join(library_path, 'usbfs_library'), os.path.join(library_dir, 'usbfs_library'))
shutil.copyfile(os.path.join(library_path, 'Kconfig'), os.path.join(library_dir, 'Kconfig'))
bsp_update_kconfig_library(dist_dir) \ No newline at end of file