diff options
Diffstat (limited to 'bsp/at32/libraries/usbfs_library/src')
| -rw-r--r-- | bsp/at32/libraries/usbfs_library/src/usb_core.c | 171 | ||||
| -rw-r--r-- | bsp/at32/libraries/usbfs_library/src/usbd_core.c | 870 | ||||
| -rw-r--r-- | bsp/at32/libraries/usbfs_library/src/usbd_int.c | 560 | ||||
| -rw-r--r-- | bsp/at32/libraries/usbfs_library/src/usbd_sdr.c | 535 | ||||
| -rw-r--r-- | bsp/at32/libraries/usbfs_library/src/usbh_core.c | 1222 | ||||
| -rw-r--r-- | bsp/at32/libraries/usbfs_library/src/usbh_ctrl.c | 958 | ||||
| -rw-r--r-- | bsp/at32/libraries/usbfs_library/src/usbh_int.c | 540 |
7 files changed, 4856 insertions, 0 deletions
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) +{ +} + +/** + * @} + */ + +/** + * @} + */ + |