diff options
Diffstat (limited to 'bsp/at32/libraries/usbd_library/src')
| -rw-r--r-- | bsp/at32/libraries/usbd_library/src/usbd_core.c | 689 | ||||
| -rw-r--r-- | bsp/at32/libraries/usbd_library/src/usbd_int.c | 347 | ||||
| -rw-r--r-- | bsp/at32/libraries/usbd_library/src/usbd_sdr.c | 533 |
3 files changed, 1569 insertions, 0 deletions
diff --git a/bsp/at32/libraries/usbd_library/src/usbd_core.c b/bsp/at32/libraries/usbd_library/src/usbd_core.c new file mode 100644 index 0000000000..b6bd0ca9c4 --- /dev/null +++ b/bsp/at32/libraries/usbd_library/src/usbd_core.c @@ -0,0 +1,689 @@ +/** + ************************************************************************** + * @file usbd_core.c + * @brief usb driver + ************************************************************************** + * Copyright notice & Disclaimer + * + * The software Board Support Package (BSP) that is made available to + * download from Artery official website is the copyrighted work of Artery. + * Artery authorizes customers to use, copy, and distribute the BSP + * software and its related documentation for the purpose of design and + * development in conjunction with Artery microcontrollers. Use of the + * software is governed by this copyright notice and the following disclaimer. + * + * THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES, + * GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS, + * TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR + * STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS, + * INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT. + * + ************************************************************************** + */ + +#include "usbd_core.h" +#include "usbd_sdr.h" +#include "usbd_int.h" + +/** @defgroup USBD_drivers_core + * @brief usb device drivers core + * @{ + */ + +/** @defgroup USBD_core_private_functions + * @{ + */ + +/** + * @brief usb core in transfer complete handler + * @param udev: to the structure of usbd_core_type + * @param ept_addr: endpoint number + * @retval none + */ +void usbd_core_in_handler(usbd_core_type *udev, uint8_t ept_addr) +{ + /* get endpoint info*/ + usb_ept_info *ept_info = &udev->ept_in[ept_addr & 0x7F]; + + if(ept_addr == 0) + { + if(udev->ept0_sts == USB_EPT0_DATA_IN) + { + if(ept_info->rem0_len > ept_info->maxpacket) + { + ept_info->rem0_len -= ept_info->maxpacket; + usbd_ept_send(udev, 0, ept_info->trans_buf, + MIN(ept_info->rem0_len, ept_info->maxpacket)); + } + /* endpoint 0 */ + else if(ept_info->last_len == ept_info->maxpacket + && ept_info->ept0_slen >= ept_info->maxpacket + && ept_info->ept0_slen < udev->ept0_wlength) + { + ept_info->last_len = 0; + usbd_ept_send(udev, 0, 0, 0); + usbd_ept_recv(udev, ept_addr, 0, 0); + } + else + { + + usbd_ctrl_recv_status(udev); + + } + usbd_data_in_stage_callback(udev,0); + } + } + else if(udev->class_handler->in_handler != 0 && + udev->conn_state == USB_CONN_STATE_CONFIGURED) + { + /* other user define endpoint */ + usbd_data_in_stage_callback(udev,ept_addr); + } +} + +/** + * @brief usb core out transfer complete handler + * @param udev: to the structure of usbd_core_type + * @param ept_addr: endpoint number + * @retval none + */ +void usbd_core_out_handler(usbd_core_type *udev, uint8_t ept_addr) +{ + /* get endpoint info*/ + usb_ept_info *ept_info = &udev->ept_out[ept_addr & 0x7F]; + + if(ept_addr == 0) + { + /* endpoint 0 */ + if(udev->ept0_sts == USB_EPT0_DATA_OUT) + { + if(ept_info->rem0_len > ept_info->maxpacket) + { + ept_info->rem0_len -= ept_info->maxpacket; + usbd_ept_recv(udev, ept_addr, ept_info->trans_buf, + MIN(ept_info->rem0_len, ept_info->maxpacket)); + } + else + { + usbd_ctrl_send_status(udev); + } + + usbd_data_out_stage_callback(udev, 0); + } + } + else if(udev->class_handler->out_handler != 0 && + udev->conn_state == USB_CONN_STATE_CONFIGURED) + { + /* other user define endpoint */ + usbd_data_out_stage_callback(udev, ept_addr); + } +} + +/** + * @brief usb core setup transfer complete handler + * @param udev: to the structure of usbd_core_type + * @param ept_addr: endpoint number + * @retval none + */ +void usbd_core_setup_handler(usbd_core_type *udev, uint8_t ept_num) +{ + /* setup parse */ + usbd_setup_request_parse(&udev->setup, udev->setup_buffer); + + /* set ept0 status */ + udev->ept0_sts = USB_EPT0_SETUP; + udev->ept0_wlength = udev->setup.wLength; + + switch(udev->setup.bmRequestType & USB_REQ_RECIPIENT_MASK) + { + case USB_REQ_RECIPIENT_DEVICE: + /* recipient device request */ + usbd_device_request(udev); + break; + case USB_REQ_RECIPIENT_INTERFACE: + /* recipient interface request */ + usbd_interface_request(udev); + break; + case USB_REQ_RECIPIENT_ENDPOINT: + /* recipient endpoint request */ + usbd_endpoint_request(udev); + break; + default: + break; + } +} + +/** + * @brief usb control endpoint send data + * @param udev: to the structure of usbd_core_type + * @param ept_addr: endpoint number + * @param buffer: send data buffer + * @param len: send data length + * @retval none + */ +void usbd_ctrl_send(usbd_core_type *udev, uint8_t *buffer, uint16_t len) +{ + usb_ept_info *ept_info = &udev->ept_in[0]; + + ept_info->ept0_slen = len; + ept_info->rem0_len = len; + udev->ept0_sts = USB_EPT0_DATA_IN; +} + +/** + * @brief usb control endpoint receive data + * @param udev: to the structure of usbd_core_type + * @param ept_addr: endpoint number + * @param buffer: recv data buffer + * @param len: recv data length + * @retval none + */ +void usbd_ctrl_recv(usbd_core_type *udev, uint8_t *buffer, uint16_t len) +{ + usb_ept_info *ept_info = &udev->ept_out[0]; + + ept_info->ept0_slen = len; + ept_info->rem0_len = len; + udev->ept0_sts = USB_EPT0_DATA_OUT; + + usbd_ept_recv(udev, 0, buffer, len); +} + +/** + * @brief usb control endpoint send in status + * @param udev: to the structure of usbd_core_type + * @retval none + */ +void usbd_ctrl_send_status(usbd_core_type *udev) +{ + udev->ept0_sts = USB_EPT0_STATUS_IN; + + usbd_ept_send(udev, 0, 0, 0); +} + +/** + * @brief usb control endpoint send out status + * @param udev: usb device core handler type + * @retval none + */ +void usbd_ctrl_recv_status(usbd_core_type *udev) +{ + udev->ept0_sts = USB_EPT0_STATUS_OUT; + + usbd_ept_recv(udev, 0, 0, 0); +} + +/** + * @brief clear endpoint stall + * @param udev: to the structure of usbd_core_type + * @param ept_addr: endpoint number + * @retval none + */ +void usbd_clear_stall(usbd_core_type *udev, uint8_t ept_addr) +{ + usb_ept_info *ept_info; + + if(ept_addr & 0x80) + { + /* in endpoint */ + ept_info = &udev->ept_in[ept_addr & 0x7F]; + USB_SET_TXSTS(ept_info->eptn, USB_TX_VALID); + } + else + { + /* out endpoint */ + ept_info = &udev->ept_out[ept_addr & 0x7F]; + USB_SET_RXSTS(ept_info->eptn, USB_RX_VALID); + } + ept_info->stall = 0; +} + +/** + * @brief usb set endpoint to stall. + * @param udev: to the structure of usbd_core_type + * @param ept_addr: endpoint number + * @retval none + */ +void usbd_set_stall(usbd_core_type *udev, uint8_t ept_addr) +{ + usb_ept_info *ept_info; + + if(ept_addr & 0x80) + { + /* in endpoint */ + ept_info = &udev->ept_in[ept_addr & 0x7F]; + USB_SET_TXSTS(ept_info->eptn, USB_TX_STALL); + } + else + { + /* out endpoint */ + ept_info = &udev->ept_out[ept_addr & 0x7F]; + USB_SET_RXSTS(ept_info->eptn, USB_RX_STALL) + } + + ept_info->stall = 1; +} + +/** + * @brief un-support device request + * @param udev: usb device core handler type + * @retval none + */ +void usbd_ctrl_unsupport(usbd_core_type *udev) +{ + /* return stall status */ + usbd_set_stall(udev, 0x00); + usbd_set_stall(udev, 0x80); +} + +/** + * @brief usb endpoint send data + * @param udev: to the structure of usbd_core_type + * @param ept_addr: endpoint number + * @param buffer: send data buffer + * @param len: send data length + * @retval none + */ +void usbd_ept_send(usbd_core_type *udev, uint8_t ept_addr, uint8_t *buffer, uint16_t len) +{ + /* get endpoint info struct and register */ + usb_ept_info *ept_info = &udev->ept_in[ept_addr & 0x7F]; + uint16_t trs_len = 0; + usbd_type *usbx = udev->usb_reg; + + /* set send data buffer and length */ + ept_info->trans_buf = buffer; + ept_info->total_len = len; + ept_info->trans_len = 0; + + if(ept_info->total_len > ept_info->maxpacket) + { + trs_len = ept_info->maxpacket; + ept_info->total_len -= trs_len; + } + else + { + trs_len = len; + ept_info->total_len = 0; + } + + ept_info->last_len = trs_len; + + if(ept_info->is_double_buffer == 0) + { + /* write data to endpoint buffer */ + usb_write_packet(ept_info->trans_buf, ept_info->tx_addr, trs_len); + + /* set send data length */ + USB_SET_TXLEN((ept_addr & 0x7F), trs_len); + } + else + { + if(usbx->ept_bit[ept_addr & 0x7F].txdts) + { + USB_SET_EPT_DOUBLE_BUF1_LEN((ept_addr & 0x7F), trs_len, DATA_TRANS_IN); + usb_write_packet(ept_info->trans_buf, ept_info->rx_addr, trs_len); + } + else + { + USB_SET_EPT_DOUBLE_BUF0_LEN((ept_addr & 0x7F), trs_len, DATA_TRANS_IN); + usb_write_packet(ept_info->trans_buf, ept_info->tx_addr, trs_len); + } + USB_FREE_DB_USER_BUFFER((ept_addr & 0x7F), DATA_TRANS_IN); + } + + /* set tx status valid */ + USB_SET_TXSTS((ept_addr & 0x7F), USB_TX_VALID); +} + +/** + * @brief usb endpoint receive data + * @param udev: to the structure of usbd_core_type + * @param ept_addr: endpoint number + * @param buffer: receive data buffer + * @param len: receive data length + * @retval none + */ +void usbd_ept_recv(usbd_core_type *udev, uint8_t ept_addr, uint8_t *buffer, uint16_t len) +{ + /* get endpoint info struct and register */ + usb_ept_info *ept_info = &udev->ept_out[ept_addr & 0x7F]; + uint32_t trs_len = 0; + + /* set receive data buffer and length */ + ept_info->trans_buf = buffer; + ept_info->total_len = len; + ept_info->trans_len = 0; + + if(ept_info->total_len > ept_info->maxpacket) + { + trs_len = ept_info->maxpacket; + ept_info->total_len -= trs_len; + } + else + { + trs_len = len; + ept_info->total_len = 0; + } + + /* set rx status valid */ + USB_SET_RXSTS((ept_addr & 0x7F), USB_RX_VALID); +} + + +/** + * @brief usb endpoint get receive data length + * @param udev: to the structure of usbd_core_type + * @param ept_addr: endpoint number + * @retval none + */ +uint32_t usbd_get_recv_len(usbd_core_type *udev, uint8_t ept_addr) +{ + usb_ept_info *ept = &udev->ept_out[ept_addr & 0x7F]; + return ept->trans_len; +} + +/** + * @brief enable endpoint double buffer. + * @param udev: to the structure of usbd_core_type + * @param ept_addr: endpoint number + * @retval none + */ +void usbd_ept_dbuffer_enable(usbd_core_type *udev, uint8_t ept_addr) +{ + usb_ept_info *ept_info; + if((ept_addr & 0x80) == 0) + { + /* out endpoint info */ + ept_info = &udev->ept_out[ept_addr & 0x7F]; + } + else + { + /* in endpoint info */ + ept_info = &udev->ept_in[ept_addr & 0x7F]; + } + ept_info->is_double_buffer = TRUE; +} + +/** + * @brief usb auto define endpoint buffer + * @param usb_ept_info: endpoint information + * @retval none + */ +void usbd_ept_buf_auto_define(usb_ept_info *ept_info) +{ + if(ept_info->is_double_buffer == 0) + { + if( ept_info->inout == DATA_TRANS_IN ) + { + if(ept_info->tx_addr == 0) + ept_info->tx_addr = usb_buffer_malloc(ept_info->maxpacket); + } + else + { + if(ept_info->rx_addr == 0) + ept_info->rx_addr = usb_buffer_malloc(ept_info->maxpacket); + } + } + else + { + /* double buffer auto define */ + if(ept_info->tx_addr == 0) + ept_info->tx_addr = usb_buffer_malloc(ept_info->maxpacket); + if(ept_info->rx_addr == 0) + ept_info->rx_addr = usb_buffer_malloc(ept_info->maxpacket); + } +} + + + +/** + * @brief usb custom define endpoint buffer + * @param udev: to the structure of usbd_core_type + * @param ept_addr: endpoint number + * @param addr: usb fifo offset address + * @retval none + */ +void usbd_ept_buf_custom_define(usbd_core_type *udev, uint8_t ept_addr, + uint32_t addr) +{ + usb_ept_info *ept_info; + if((ept_addr & 0x80) == 0) + { + /* out endpoint info */ + ept_info = &udev->ept_out[ept_addr & 0x7F]; + } + else + { + /* in endpoint info */ + ept_info = &udev->ept_in[ept_addr & 0x7F]; + } + + if(ept_info->is_double_buffer == 0) + { + if( ept_info->inout == DATA_TRANS_IN ) + { + ept_info->tx_addr = addr; + } + else + { + ept_info->rx_addr = addr; + } + } + else + { + /* double buffer malloc */ + ept_info->tx_addr = addr & 0xFFFF; + ept_info->rx_addr = (addr >> 16) & 0xFFFF; + } +} + +/** + * @brief usb open endpoint + * @param udev: to the structure of usbd_core_type + * @param ept_addr: endpoint number + * @param ept_type: endpoint type + * @param maxpacket: endpoint support max buffer size + * @retval none + */ +void usbd_ept_open(usbd_core_type *udev, uint8_t ept_addr, uint8_t ept_type, uint16_t maxpacket) +{ + usbd_type *usbx = udev->usb_reg; + usb_ept_info *ept_info; + + if((ept_addr & 0x80) == 0) + { + /* out endpoint info */ + ept_info = &udev->ept_out[ept_addr & 0x7F]; + ept_info->inout = DATA_TRANS_OUT; + } + else + { + /* in endpoint info */ + ept_info = &udev->ept_in[ept_addr & 0x7F]; + ept_info->inout = DATA_TRANS_IN; + } + + /* set endpoint maxpacket and type */ + ept_info->maxpacket = (maxpacket + 1) & 0xFFFE; + ept_info->trans_type = ept_type; + +#ifdef USB_EPT_AUTO_MALLOC_BUFFER + usbd_ept_buf_auto_define(ept_info); +#endif + /* open endpoint */ + usb_ept_open(usbx, ept_info); +} + +/** + * @brief usb close endpoint + * @param udev: to the structure of usbd_core_type + * @param ept_addr: endpoint number + * @retval none + */ +void usbd_ept_close(usbd_core_type *udev, uint8_t ept_addr) +{ + usb_ept_info *ept_info; + if(ept_addr & 0x80) + { + /* in endpoint */ + ept_info = &udev->ept_in[ept_addr & 0x7F]; + } + else + { + /* out endpoint */ + ept_info = &udev->ept_out[ept_addr & 0x7F]; + } + + /* close endpoint */ + usb_ept_close(udev->usb_reg, ept_info); +} + +/** + * @brief usb device connect to host + * @param udev: to the structure of usbd_core_type + * @retval none + */ +void usbd_connect(usbd_core_type *udev) +{ + usb_connect(udev->usb_reg); +} + +/** + * @brief usb device disconnect to host + * @param udev: to the structure of usbd_core_type + * @retval none + */ +void usbd_disconnect(usbd_core_type *udev) +{ + usb_disconnect(udev->usb_reg); +} + +/** + * @brief usb device set device address. + * @param udev: to the structure of usbd_core_type + * @param address: host assignment address + * @retval none + */ +void usbd_set_device_addr(usbd_core_type *udev, uint8_t address) +{ + if(address == 0) + usb_set_address(udev->usb_reg, address); +} + +/** + * @brief get usb connect state + * @param udev: to the structure of usbd_core_type + * @retval usb connect state + */ +usbd_conn_state usbd_connect_state_get(usbd_core_type *udev) +{ + return udev->conn_state; +} + +/** + * @brief usb device remote wakeup + * @param udev: to the structure of usbd_core_type + * @retval none + */ +void usbd_remote_wakeup(usbd_core_type *udev) +{ + /* set connect state */ + udev->conn_state = udev->old_conn_state; + + usb_exit_suspend(udev->usb_reg); + + usb_remote_wkup_set(udev->usb_reg); + + rt_thread_mdelay(10); + + usb_remote_wkup_clear(udev->usb_reg); + +} + +/** + * @brief usb device enter suspend mode + * @param udev: to the structure of usbd_core_type + * @retval none + */ +void usbd_enter_suspend(usbd_core_type *udev) +{ + usb_enter_suspend(udev->usb_reg); +} + +/** + * @brief usb endpoint structure initialization + * @param udev: to the structure of usbd_core_type + * @retval none + */ +void usbd_ept_defaut_init(usbd_core_type *udev) +{ + uint8_t i_index = 0; + /* init in endpoint info structure */ + for(i_index = 0; i_index < USB_EPT_MAX_NUM; i_index ++) + { + udev->ept_in[i_index].eptn = i_index; + udev->ept_in[i_index].ept_address = i_index; + udev->ept_in[i_index].inout = DATA_TRANS_IN; + udev->ept_in[i_index].maxpacket = 0; + udev->ept_in[i_index].trans_buf = 0; + udev->ept_in[i_index].total_len = 0; + udev->ept_in[i_index].tx_addr = 0; + udev->ept_in[i_index].rx_addr = 0; + } + + /* init out endpoint info structure */ + for(i_index = 0; i_index < USB_EPT_MAX_NUM; i_index ++) + { + udev->ept_out[i_index].eptn = i_index; + udev->ept_out[i_index].ept_address = i_index; + udev->ept_out[i_index].inout = DATA_TRANS_OUT; + udev->ept_out[i_index].maxpacket = 0; + udev->ept_out[i_index].trans_buf = 0; + udev->ept_out[i_index].total_len = 0; + udev->ept_out[i_index].rx_addr = 0; + udev->ept_out[i_index].tx_addr = 0; + } + return; +} + +/** + * @brief initializes the usb core + * @param udev: to the structure of usbd_core_type + * @param usb_reg: usb register pointer (USB) + * @param class_handler: usb class handler + * @param desc_handler: device config handler + * @param core_id: usb core id number + * @retval none + */ +void usbd_core_init(usbd_core_type *udev, + usb_reg_type *usb_reg, + uint8_t core_id) +{ + /* set usb register type */ + udev->usb_reg = usb_reg; + + /* set usb connect state to default */ + udev->conn_state = USB_CONN_STATE_DEFAULT; + + /* init in endpoint info structure */ + usbd_ept_defaut_init(udev); + +#ifdef USB_BUFFER_SIZE_EX + /* usb buffer size extend 768-1280 byte */ + usb_usbbufs_enable(usb_reg, TRUE); +#endif + + /*usb register config */ + usb_dev_init(udev->usb_reg); +} + +/** + * @} + */ + +/** + * @} + */ + diff --git a/bsp/at32/libraries/usbd_library/src/usbd_int.c b/bsp/at32/libraries/usbd_library/src/usbd_int.c new file mode 100644 index 0000000000..4684d576ad --- /dev/null +++ b/bsp/at32/libraries/usbd_library/src/usbd_int.c @@ -0,0 +1,347 @@ +/** + ************************************************************************** + * @file usbd_int.c + * @brief usb interrupt request + ************************************************************************** + * Copyright notice & Disclaimer + * + * The software Board Support Package (BSP) that is made available to + * download from Artery official website is the copyrighted work of Artery. + * Artery authorizes customers to use, copy, and distribute the BSP + * software and its related documentation for the purpose of design and + * development in conjunction with Artery microcontrollers. Use of the + * software is governed by this copyright notice and the following disclaimer. + * + * THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES, + * GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS, + * TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR + * STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS, + * INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT. + * + ************************************************************************** + */ + +#include "usbd_int.h" + +/** @defgroup USBD_drivers_interrupt + * @brief usb device interrupt + * @{ + */ + +/** @defgroup USBD_int_private_functions + * @{ + */ + +/** + * @brief usb device interrput request handler. + * @param udev: to the structure of usbd_core_type + * @retval none + */ +void usbd_irq_handler(usbd_core_type *udev) +{ + usbd_type *usbx = udev->usb_reg; + uint32_t sts_val = usbx->intsts; + uint32_t sts_ien = usbx->ctrl; + + if(sts_val & USB_TC_FLAG) + { + /* endpoint tc interrupt handler */ + usbd_ept_loop_handler(udev); + } + + if(sts_val & USB_RST_FLAG) + { + /* clear reset flag */ + usb_flag_clear(usbx, USB_RST_FLAG); + + /* reset interrupt handler */ + usbd_reset_handler(udev); + } + + if((sts_val & USB_SOF_FLAG) && + (sts_ien & USB_SOF_INT)) + { + /* clear sof flag */ + usb_flag_clear(usbx, USB_SOF_FLAG); + + /* sof interrupt handler */ + usbd_sof_callback(udev); + } + + if((sts_val & USB_LSOF_FLAG) && + (sts_ien & USB_LSOF_INT)) + { + /* clear lsof flag */ + usb_flag_clear(usbx, USB_LSOF_FLAG); + } + + if((sts_val & USB_SP_FLAG) && + (sts_ien & USB_SP_INT)) + { + /* clear suspend flag */ + usb_flag_clear(usbx, USB_SP_FLAG); + + /* usb suspend interrupt handler */ + usbd_suspend_handler(udev); + } + + if((sts_val & USB_WK_FLAG) && + (sts_ien & USB_WK_INT)) + { + /* usb wakeup interrupt handler */ + usbd_wakeup_handler(udev); + + /* clear wakeup flag */ + usb_flag_clear(usbx, USB_WK_FLAG); + } +} + +/** + * @brief usb device endpoint request handler. + * @param udev: to the structure of usbd_core_type + * @param ept_num: endpoint number + * @retval none + */ +void usbd_eptn_handler(usbd_core_type *udev, usb_ept_number_type ept_num) +{ + usbd_type *usbx = udev->usb_reg; + usb_ept_info *ept_info; + uint32_t ept_val = usbx->ept[ept_num]; + uint16_t length; + + /* in interrupt request */ + if(ept_val & USB_TXTC) + { + /* get endpoint register and in transfer info struct */ + ept_info = &udev->ept_in[ept_num]; + + /* clear endpoint tc flag */ + USB_CLEAR_TXTC(ept_num); + + /* get endpoint tx length */ + ept_info->trans_len = USB_GET_TX_LEN(ept_num); + + /* offset the trans buffer */ + ept_info->trans_buf += ept_info->trans_len; + + if(ept_info->total_len == 0 || ept_num == USB_EPT0) + { + /* in transfer complete */ + usbd_data_in_stage_callback(udev,ept_num); + } + else + { + /* endpoint continue send data */ + usbd_ept_send(udev, ept_num, ept_info->trans_buf, ept_info->total_len); + } + /* set the host assignment address */ + if(udev->conn_state == USB_CONN_STATE_ADDRESSED && udev->device_addr > 0) + { + usb_set_address(udev->usb_reg, udev->device_addr); + udev->device_addr = 0; + } + } + else + { + /* setup and out interrupt request */ + + /* get endpoint register and out transfer info struct */ + ept_info = &udev->ept_out[ept_num]; + + if((ept_val & USB_SETUPTC) != 0) + { + /* endpoint setup interrupt request */ + + /* get endpoint received data length */ + ept_info->trans_len = USB_GET_RX_LEN(ept_num); + + /* read endpoint received data */ + usb_read_packet(udev->setup_buffer, ept_info->rx_addr, ept_info->trans_len); + + /* clear endpoint rx tc flag */ + USB_CLEAR_RXTC(USB_EPT0); + + /* endpoint setup complete handler */ + usbd_core_setup_handler(udev, ept_num); + usbd_setup_phase_done_callback(udev); + } + else if(ept_val & USB_RXTC ) + { + /* endpoint out interrupt request */ + USB_CLEAR_RXTC(ept_num); + + if(ept_info->is_double_buffer == 0) + { + /* get endpoint received data length */ + length = USB_GET_RX_LEN(ept_num); + + /* read endpoint received data */ + usb_read_packet(ept_info->trans_buf, ept_info->rx_addr, length); + } + else + { + if( ept_val & USB_RXDTS) + { + length = USB_DBUF0_GET_LEN(ept_num); + usb_read_packet(ept_info->trans_buf, ept_info->tx_addr, length); + } + else + { + length = USB_DBUF1_GET_LEN(ept_num); + usb_read_packet(ept_info->trans_buf, ept_info->rx_addr, length); + } + USB_FREE_DB_USER_BUFFER(ept_num, DATA_TRANS_OUT); + } + + /* set received data length */ + ept_info->trans_len += length; + ept_info->trans_buf += length; + + if(ept_info->total_len == 0 || length < ept_info->maxpacket || ept_num == USB_EPT0) + { + /* out transfer complete */ + usbd_data_out_stage_callback(udev, ept_num); + } + else + { + /* endpoint continue receive data */ + usbd_ept_recv(udev, ept_num, ept_info->trans_buf, ept_info->total_len); + } + } + } +} + +/** + * @brief usb device endpoint loop handler. + * @param udev: to the structure of usbd_core_type + * @retval none + */ +void usbd_ept_loop_handler(usbd_core_type *udev) +{ + usbd_type *usbx = udev->usb_reg; + usb_ept_number_type ept_num = USB_EPT0; + uint32_t sts_val; + + while((sts_val = usbx->intsts) & USB_TC_FLAG) + { + /* get the interrupt endpoint number */ + ept_num = (usb_ept_number_type)(sts_val & USB_EPT_NUM_FLAG); + + usbd_eptn_handler(udev, ept_num); + } +} + +/** + * @brief usb device reset interrupt request handler. + * @param udev: to the structure of usbd_core_type + * @retval none + */ +void usbd_reset_handler(usbd_core_type *udev) +{ + /* free usb buffer */ + usb_buffer_free(); + + usbd_ept_defaut_init(udev); +#ifndef USB_EPT_AUTO_MALLOC_BUFFER + usbd_ept_buf_custom_define(udev, 0x80, EPT0_TX_ADDR); + usbd_ept_buf_custom_define(udev, 0x00, EPT0_RX_ADDR); +#endif + + /* open endpoint 0 out */ + usbd_ept_open(udev, 0x00, EPT_CONTROL_TYPE, 0x40); + + /* open endpoint 0 in */ + usbd_ept_open(udev, 0x80, EPT_CONTROL_TYPE, 0x40); + + /* set device address to 0 */ + usb_set_address(udev->usb_reg, 0); + + /* usb connect state set to default */ + udev->conn_state = USB_CONN_STATE_DEFAULT; + + /* user define reset event */ + usbd_reset_callback(udev); +} + +/** + * @brief usb device sof interrupt request handler. + * @param udev: to the structure of usbd_core_type + * @retval none + */ +void usbd_sof_handler(usbd_core_type *udev) +{ + /* user sof handler in class define*/ + if(udev->class_handler->sof_handler) + udev->class_handler->sof_handler(udev); +} + +/** + * @brief usb device suspend interrupt request handler. + * @param udev: to the structure of usbd_core_type + * @retval none + */ +void usbd_suspend_handler(usbd_core_type *udev) +{ + /* save connect state */ + udev->old_conn_state = udev->conn_state; + + /* set current state to suspend */ + udev->conn_state = USB_CONN_STATE_SUSPENDED; + + /* enter suspend mode */ + usbd_enter_suspend(udev); +} + +/** + * @brief usb device wakup interrupt request handler. + * @param udev: to the structure of usbd_core_type + * @retval none + */ +void usbd_wakeup_handler(usbd_core_type *udev) +{ + /* exit suspend mode */ + usb_exit_suspend(udev->usb_reg); + + /* restore connect state */ + udev->conn_state = udev->old_conn_state; + + /* user define wakeup event */ +} + +__weak void usbd_reset_callback(usbd_core_type *udev) +{ +} + +__weak void usbd_setup_phase_done_callback(usbd_core_type *udev) +{ +} + +__weak void usbd_data_in_stage_callback(usbd_core_type *udev, uint32_t ept_num) +{ +} + +__weak void usbd_sof_callback(usbd_core_type *udev) +{ +} + +__weak void usbd_data_out_stage_callback(usbd_core_type *udev, uint32_t ept_num) +{ +} + +__weak void usbd_connectCallback(usbd_core_type *udev) +{ +} + +__weak void usbd_disconnectCallback(usbd_core_type *udev) +{ +} + +/** + * @} + */ + +/** + * @} + */ + diff --git a/bsp/at32/libraries/usbd_library/src/usbd_sdr.c b/bsp/at32/libraries/usbd_library/src/usbd_sdr.c new file mode 100644 index 0000000000..3ddf0afac8 --- /dev/null +++ b/bsp/at32/libraries/usbd_library/src/usbd_sdr.c @@ -0,0 +1,533 @@ +/** + ************************************************************************** + * @file usbd_sdr.c + * @brief usb standard device request + ************************************************************************** + * Copyright notice & Disclaimer + * + * The software Board Support Package (BSP) that is made available to + * download from Artery official website is the copyrighted work of Artery. + * Artery authorizes customers to use, copy, and distribute the BSP + * software and its related documentation for the purpose of design and + * development in conjunction with Artery microcontrollers. Use of the + * software is governed by this copyright notice and the following disclaimer. + * + * THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES, + * GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS, + * TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR + * STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS, + * INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT. + * + ************************************************************************** + */ + +#include "usbd_sdr.h" + +/** @defgroup USBD_drivers_standard_request + * @brief usb device standard_request + * @{ + */ + +/** @defgroup USBD_sdr_private_functions + * @{ + */ + +static usb_sts_type usbd_get_descriptor(usbd_core_type *udev); +static usb_sts_type usbd_set_address(usbd_core_type *udev); +static usb_sts_type usbd_get_status(usbd_core_type *udev); +static usb_sts_type usbd_clear_feature(usbd_core_type *udev); +static usb_sts_type usbd_set_feature(usbd_core_type *udev); +static usb_sts_type usbd_get_configuration(usbd_core_type *udev); +static usb_sts_type usbd_set_configuration(usbd_core_type *udev); + +/** + * @brief usb parse standard setup request + * @param setup: setup structure + * @param buf: setup buffer + * @retval none + */ +void usbd_setup_request_parse(usb_setup_type *setup, uint8_t *buf) +{ + setup->bmRequestType = *(uint8_t *) buf; + setup->bRequest = *(uint8_t *) (buf + 1); + setup->wValue = SWAPBYTE(buf + 2); + setup->wIndex = SWAPBYTE(buf + 4); + setup->wLength = SWAPBYTE(buf + 6); +} + +/** + * @brief get usb standard device description request + * @param udev: to the structure of usbd_core_type + * @retval status of usb_sts_type + */ +static usb_sts_type usbd_get_descriptor(usbd_core_type *udev) +{ + usb_sts_type ret = USB_OK; + uint16_t len = 0; + uint8_t desc_type = udev->setup.wValue >> 8; + usbd_desc_t *desc = NULL, usbd_desc = + { + .length = 0xA, + .descriptor = NULL, + }; + + switch(desc_type) + { + case USB_DESCIPTOR_TYPE_DEVICE: + case USB_DESCIPTOR_TYPE_CONFIGURATION: + desc = &usbd_desc; + break; + case USB_DESCIPTOR_TYPE_STRING: + { + uint8_t str_desc = (uint8_t)udev->setup.wValue; + switch(str_desc) + { + case USB_LANGID_STRING: + case USB_MFC_STRING: + case USB_PRODUCT_STRING: + case USB_SERIAL_STRING: + case USB_CONFIG_STRING: + case USB_INTERFACE_STRING: + desc = &usbd_desc; + break; + default: + usbd_ctrl_send(udev, desc->descriptor, len); + return ret; + } + break; + } + case USB_DESCIPTOR_TYPE_DEVICE_QUALIFIER: + usbd_ctrl_unsupport(udev); + break; + case USB_DESCIPTOR_TYPE_OTHER_SPEED: + usbd_ctrl_unsupport(udev); + return ret; + default: + usbd_ctrl_unsupport(udev); + return ret; + } + + if(desc != NULL) + { + if((desc->length != 0) && (udev->setup.wLength != 0)) + { + len = MIN(desc->length , udev->setup.wLength); + usbd_ctrl_send(udev, desc->descriptor, len); + } + } + + return ret; +} + +/** + * @brief this request sets the device address + * @param udev: to the structure of usbd_core_type + * @retval status of usb_sts_type + */ +static usb_sts_type usbd_set_address(usbd_core_type *udev) +{ + usb_sts_type ret = USB_OK; + usb_setup_type *setup = &udev->setup; + uint8_t dev_addr; + + /* if wIndex or wLength are non-zero, then the behavior of + the device is not specified + */ + if(setup->wIndex == 0 && setup->wLength == 0) + { + dev_addr = (uint8_t)(setup->wValue) & 0x7f; + + /* device behavior when this request is received + while the device is in the configured state is not specified.*/ + if(udev->conn_state == USB_CONN_STATE_CONFIGURED ) + { + usbd_ctrl_unsupport(udev); + } + else + { + udev->device_addr = dev_addr; + + if(dev_addr != 0) + { + udev->conn_state = USB_CONN_STATE_ADDRESSED; + } + else + { + udev->conn_state = USB_CONN_STATE_DEFAULT; + } + usbd_ctrl_send_status(udev); + } + } + else + { + usbd_ctrl_unsupport(udev); + } + return ret; +} + +/** + * @brief get usb status request + * @param udev: to the structure of usbd_core_type + * @retval status of usb_sts_type + */ +static usb_sts_type usbd_get_status(usbd_core_type *udev) +{ + usb_sts_type ret = USB_OK; + switch(udev->conn_state) + { + case USB_CONN_STATE_ADDRESSED: + case USB_CONN_STATE_CONFIGURED: + if(udev->remote_wakup) + { + udev->config_status |= USB_CONF_REMOTE_WAKEUP; + } + usbd_ctrl_send(udev, (uint8_t *)(&udev->config_status), 2); + break; + default: + usbd_ctrl_unsupport(udev); + break; + } + return ret; +} + +/** + * @brief clear usb feature request + * @param udev: to the structure of usbd_core_type + * @retval status of usb_sts_type + */ +static usb_sts_type usbd_clear_feature(usbd_core_type *udev) +{ + usb_sts_type ret = USB_OK; + usb_setup_type *setup = &udev->setup; + switch(udev->conn_state) + { + case USB_CONN_STATE_ADDRESSED: + case USB_CONN_STATE_CONFIGURED: + if(setup->wValue == USB_FEATURE_REMOTE_WAKEUP) + { + udev->remote_wakup = 0; + udev->config_status &= ~USB_CONF_REMOTE_WAKEUP; + usbd_ctrl_send_status(udev); + } + break; + default: + usbd_ctrl_unsupport(udev); + break; + } + return ret; +} + +/** + * @brief set usb feature request + * @param udev: to the structure of usbd_core_type + * @retval status of usb_sts_type + */ +static usb_sts_type usbd_set_feature(usbd_core_type *udev) +{ + usb_sts_type ret = USB_OK; + usb_setup_type *setup = &udev->setup; + if(setup->wValue == USB_FEATURE_REMOTE_WAKEUP) + { + udev->remote_wakup = 1; + usbd_ctrl_send_status(udev); + } + return ret; +} + +/** + * @brief get usb configuration request + * @param udev: to the structure of usbd_core_type + * @retval status of usb_sts_type + */ +static usb_sts_type usbd_get_configuration(usbd_core_type *udev) +{ + usb_sts_type ret = USB_OK; + usb_setup_type *setup = &udev->setup; + if(setup->wLength != 1) + { + usbd_ctrl_unsupport(udev); + } + else + { + switch(udev->conn_state) + { + case USB_CONN_STATE_ADDRESSED: + udev->default_config = 0; + usbd_ctrl_send(udev, (uint8_t *)(&udev->default_config), 1); + break; + case USB_CONN_STATE_CONFIGURED: + usbd_ctrl_send(udev, (uint8_t *)(&udev->dev_config), 1); + break; + default: + usbd_ctrl_unsupport(udev); + break; + } + } + return ret; +} + +/** + * @brief sets the usb device configuration request + * @param udev: to the structure of usbd_core_type + * @retval status of usb_sts_type + */ +static usb_sts_type usbd_set_configuration(usbd_core_type *udev) +{ + usb_sts_type ret = USB_OK; + static uint8_t config_value; + usb_setup_type *setup = &udev->setup; + config_value = (uint8_t)setup->wValue; + + if(setup->wIndex == 0 && setup->wLength == 0) + { + switch(udev->conn_state) + { + case USB_CONN_STATE_ADDRESSED: + if(config_value) + { + udev->dev_config = config_value; + udev->conn_state = USB_CONN_STATE_CONFIGURED; + usbd_ctrl_send_status(udev); + } + else + { + usbd_ctrl_send_status(udev); + } + + break; + case USB_CONN_STATE_CONFIGURED: + if(config_value == 0) + { + udev->conn_state = USB_CONN_STATE_ADDRESSED; + udev->dev_config = config_value; + usbd_ctrl_send_status(udev); + } + else if(config_value == udev->dev_config) + { + udev->dev_config = config_value; + usbd_ctrl_send_status(udev); + } + else + { + usbd_ctrl_send_status(udev); + } + break; + default: + usbd_ctrl_unsupport(udev); + break; + } + } + else + { + usbd_ctrl_unsupport(udev); + } + return ret; +} + +/** + * @brief standard usb device requests + * @param udev: to the structure of usbd_core_type + * @retval status of usb_sts_type + */ +usb_sts_type usbd_device_request(usbd_core_type *udev) +{ + usb_sts_type ret = USB_OK; + usb_setup_type *setup = &udev->setup; + if((setup->bmRequestType & USB_REQ_TYPE_RESERVED) != USB_REQ_TYPE_STANDARD) + { + udev->class_handler->setup_handler(udev, &udev->setup); + return ret; + } + switch(udev->setup.bRequest) + { + case USB_STD_REQ_GET_STATUS: + usbd_get_status(udev); + break; + case USB_STD_REQ_CLEAR_FEATURE: + usbd_clear_feature(udev); + break; + case USB_STD_REQ_SET_FEATURE: + usbd_set_feature(udev); + break; + case USB_STD_REQ_SET_ADDRESS: + usbd_set_address(udev); + break; + case USB_STD_REQ_GET_DESCRIPTOR: + usbd_get_descriptor(udev); + break; + case USB_STD_REQ_GET_CONFIGURATION: + usbd_get_configuration(udev); + break; + case USB_STD_REQ_SET_CONFIGURATION: + usbd_set_configuration(udev); + break; + default: + usbd_ctrl_unsupport(udev); + break; + } + return ret; +} + +/** + * @brief standard usb interface requests + * @param udev: to the structure of usbd_core_type + * @retval status of usb_sts_type + */ +usb_sts_type usbd_interface_request(usbd_core_type *udev) +{ + usb_sts_type ret = USB_OK; + usb_setup_type *setup = &udev->setup; + switch(udev->conn_state) + { + case USB_CONN_STATE_CONFIGURED: + switch(setup->bmRequestType & USB_REQ_TYPE_RESERVED) + { + case USB_REQ_TYPE_CLASS: + if(setup->wLength) + { + if(setup->bmRequestType & USB_REQ_DIR_DTH) + { + USB_SET_RXSTS((udev->ept_in[0].ept_address & 0x7F), USB_RX_VALID); + } + else + { + usbd_ept_send(udev, 0, 0, 0); + USB_SET_TXSTS((udev->ept_in[0].ept_address & 0x7F), USB_TX_VALID); + } + } + default: + break; + } + + if(setup->wLength == 0) + { + usbd_ctrl_send_status(udev); + } + break; + + default: + usbd_ctrl_unsupport(udev); + break; + } + return ret; +} + +/** + * @brief standard usb endpoint requests + * @param udev: to the structure of usbd_core_type + * @retval status of usb_sts_type + */ +usb_sts_type usbd_endpoint_request(usbd_core_type *udev) +{ + usb_sts_type ret = USB_OK; + usb_setup_type *setup = &udev->setup; + uint8_t ept_addr = LBYTE(setup->wIndex); + usb_ept_info *ept_info; + + if((setup->bmRequestType & USB_REQ_TYPE_RESERVED) == USB_REQ_TYPE_CLASS) + { + udev->class_handler->setup_handler(udev, &udev->setup); + } + switch(setup->bRequest) + { + case USB_STD_REQ_GET_STATUS: + switch(udev->conn_state) + { + case USB_CONN_STATE_ADDRESSED: + if((ept_addr & 0x7F) != 0) + { + usbd_set_stall(udev, ept_addr); + } + break; + case USB_CONN_STATE_CONFIGURED: + { + if((ept_addr & 0x80) != 0) + { + ept_info = &udev->ept_in[ept_addr & 0x7F]; + } + else + { + ept_info = &udev->ept_out[ept_addr & 0x7F]; + } + if(ept_info->stall == 1) + { + ept_info->status = 0x0001; + } + else + { + ept_info->status = 0x0000; + } + usbd_ctrl_send(udev, (uint8_t *)(&ept_info->status), 2); + } + break; + default: + usbd_ctrl_unsupport(udev); + break; + } + break; + case USB_STD_REQ_CLEAR_FEATURE: + switch(udev->conn_state) + { + case USB_CONN_STATE_ADDRESSED: + if((ept_addr != 0x00) && (ept_addr != 0x80)) + { + usbd_set_stall(udev, ept_addr); + } + break; + case USB_CONN_STATE_CONFIGURED: + if(setup->wValue == USB_FEATURE_EPT_HALT) + { + if((ept_addr & 0x7F) != 0x00 ) + { + usbd_clear_stall(udev, ept_addr); + udev->class_handler->setup_handler(udev, &udev->setup); + } + usbd_ctrl_send_status(udev); + } + break; + default: + usbd_ctrl_unsupport(udev); + break; + } + break; + case USB_STD_REQ_SET_FEATURE: + switch(udev->conn_state) + { + case USB_CONN_STATE_ADDRESSED: + if((ept_addr != 0x00) && (ept_addr != 0x80)) + { + usbd_set_stall(udev, ept_addr); + } + break; + case USB_CONN_STATE_CONFIGURED: + if(setup->wValue == USB_FEATURE_EPT_HALT) + { + if((ept_addr != 0x00) && (ept_addr != 0x80)) + { + usbd_set_stall(udev, ept_addr); + } + } + udev->class_handler->setup_handler(udev, &udev->setup); + usbd_ctrl_send_status(udev); + break; + default: + usbd_ctrl_unsupport(udev); + break; + } + break; + default: + usbd_ctrl_unsupport(udev); + break; + } + return ret; +} + +/** + * @} + */ + +/** + * @} + */ + |