/* * File : drv_usb.c * This file is part of RT-Thread RTOS * COPYRIGHT (C) 2015, RT-Thread Development Team * * The license and distribution terms for this file may be * found in the file LICENSE in this distribution or at * http://www.rt-thread.org/license/LICENSE * * Change Logs: * Date Author Notes * 2017-10-30 ZYH the first version * 2017-11-15 ZYH update to 3.0.0 */ #include "drv_usb.h" #include #include #include "board.h" #define USB_DISCONNECT_PIN 30 //PA9 static PCD_HandleTypeDef _stm_pcd; static struct udcd _stm_udc; static struct ep_id _ep_pool[] = { {0x0, USB_EP_ATTR_CONTROL, USB_DIR_INOUT, 64, ID_ASSIGNED }, {0x1, USB_EP_ATTR_BULK, USB_DIR_IN, 64, ID_UNASSIGNED}, {0x1, USB_EP_ATTR_BULK, USB_DIR_OUT, 64, ID_UNASSIGNED}, {0x2, USB_EP_ATTR_INT, USB_DIR_OUT, 64, ID_UNASSIGNED}, {0x2, USB_EP_ATTR_INT, USB_DIR_IN, 64, ID_UNASSIGNED}, {0x3, USB_EP_ATTR_INT, USB_DIR_IN, 64, ID_UNASSIGNED}, {0xFF, USB_EP_ATTR_TYPE_MASK, USB_DIR_MASK, 0, ID_ASSIGNED }, }; void USB_LP_CAN1_RX0_IRQHandler(void) { rt_interrupt_enter(); HAL_PCD_IRQHandler(&_stm_pcd); rt_interrupt_leave(); } void HAL_PCD_ResetCallback(PCD_HandleTypeDef *pcd) { /* open ep0 OUT and IN */ HAL_PCD_EP_Open(pcd, 0x00, 0x40, EP_TYPE_CTRL); HAL_PCD_EP_Open(pcd, 0x80, 0x40, EP_TYPE_CTRL); rt_usbd_reset_handler(&_stm_udc); } void HAL_PCD_SetupStageCallback(PCD_HandleTypeDef *hpcd) { rt_usbd_ep0_setup_handler(&_stm_udc, (struct urequest *)hpcd->Setup); } void HAL_PCD_DataInStageCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum) { if (epnum == 0) { rt_usbd_ep0_in_handler(&_stm_udc); } else { rt_usbd_ep_in_handler(&_stm_udc, 0x80 | epnum, hpcd->IN_ep[epnum].xfer_count); } } void HAL_PCD_ConnectCallback(PCD_HandleTypeDef *hpcd) { rt_usbd_connect_handler(&_stm_udc); } void HAL_PCD_SOFCallback(PCD_HandleTypeDef *hpcd) { // rt_usbd_sof_handler(&_stm_udc); } void HAL_PCD_DisconnectCallback(PCD_HandleTypeDef *hpcd) { rt_usbd_disconnect_handler(&_stm_udc); } void HAL_PCD_DataOutStageCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum) { if (epnum != 0) { rt_usbd_ep_out_handler(&_stm_udc, epnum, hpcd->OUT_ep[epnum].xfer_count); } else { rt_usbd_ep0_out_handler(&_stm_udc, hpcd->OUT_ep[0].xfer_count); } } void HAL_PCDEx_SetConnectionState(PCD_HandleTypeDef *hpcd, uint8_t state) { if (state == 1) { rt_pin_write(USB_DISCONNECT_PIN, PIN_HIGH); } else { rt_pin_write(USB_DISCONNECT_PIN, PIN_LOW); } } void HAL_PCD_MspInit(PCD_HandleTypeDef *pcdHandle) { if (pcdHandle->Instance == USB) { __HAL_RCC_GPIOA_CLK_ENABLE(); rt_pin_mode(USB_DISCONNECT_PIN, PIN_MODE_OUTPUT); rt_pin_write(USB_DISCONNECT_PIN, PIN_LOW); /* Peripheral clock enable */ __HAL_RCC_USB_CLK_ENABLE(); /* Peripheral interrupt init */ HAL_NVIC_SetPriority(USB_LP_CAN1_RX0_IRQn, 5, 0); HAL_NVIC_EnableIRQ(USB_LP_CAN1_RX0_IRQn); } } void HAL_PCD_MspDeInit(PCD_HandleTypeDef *pcdHandle) { if (pcdHandle->Instance == USB) { /* Peripheral clock disable */ __HAL_RCC_USB_CLK_DISABLE(); /* Peripheral interrupt Deinit*/ HAL_NVIC_DisableIRQ(USB_LP_CAN1_RX0_IRQn); } } static rt_err_t _ep_set_stall(rt_uint8_t address) { HAL_PCD_EP_SetStall(&_stm_pcd, address); return RT_EOK; } static rt_err_t _ep_clear_stall(rt_uint8_t address) { HAL_PCD_EP_ClrStall(&_stm_pcd, address); return RT_EOK; } static rt_err_t _set_address(rt_uint8_t address) { HAL_PCD_SetAddress(&_stm_pcd, address); return RT_EOK; } static rt_err_t _set_config(rt_uint8_t address) { return RT_EOK; } static rt_err_t _ep_enable(uep_t ep) { RT_ASSERT(ep != RT_NULL); RT_ASSERT(ep->ep_desc != RT_NULL); HAL_PCD_EP_Open(&_stm_pcd, ep->ep_desc->bEndpointAddress, ep->ep_desc->wMaxPacketSize, ep->ep_desc->bmAttributes); return RT_EOK; } static rt_err_t _ep_disable(uep_t ep) { RT_ASSERT(ep != RT_NULL); RT_ASSERT(ep->ep_desc != RT_NULL); HAL_PCD_EP_Close(&_stm_pcd, ep->ep_desc->bEndpointAddress); return RT_EOK; } static rt_size_t _ep_read(rt_uint8_t address, void *buffer) { rt_size_t size = 0; RT_ASSERT(buffer != RT_NULL); return size; } static rt_size_t _ep_read_prepare(rt_uint8_t address, void *buffer, rt_size_t size) { HAL_PCD_EP_Receive(&_stm_pcd, address, buffer, size); return size; } static rt_size_t _ep_write(rt_uint8_t address, void *buffer, rt_size_t size) { HAL_PCD_EP_Transmit(&_stm_pcd, address, buffer, size); return size; } static rt_err_t _ep0_send_status(void) { HAL_PCD_EP_Transmit(&_stm_pcd, 0x00, NULL, 0); return RT_EOK; } static rt_err_t _suspend(void) { return RT_EOK; } static rt_err_t _wakeup(void) { return RT_EOK; } static rt_err_t _init(rt_device_t device) { PCD_HandleTypeDef *pcd; /* Set LL Driver parameters */ pcd = (PCD_HandleTypeDef *)device->user_data; pcd->Instance = USB; pcd->Init.dev_endpoints = 8; pcd->Init.speed = PCD_SPEED_FULL; pcd->Init.ep0_mps = DEP0CTL_MPS_8; pcd->Init.low_power_enable = DISABLE; pcd->Init.lpm_enable = DISABLE; pcd->Init.battery_charging_enable = DISABLE; /* Initialize LL Driver */ HAL_PCD_Init(pcd); HAL_PCDEx_PMAConfig(pcd, 0x00, PCD_SNG_BUF, 0x18); HAL_PCDEx_PMAConfig(pcd, 0x80, PCD_SNG_BUF, 0x58); HAL_PCDEx_PMAConfig(pcd, 0x81, PCD_SNG_BUF, 0x98); HAL_PCDEx_PMAConfig(pcd, 0x01, PCD_SNG_BUF, 0x118); HAL_PCDEx_PMAConfig(pcd, 0x82, PCD_SNG_BUF, 0xD8); HAL_PCDEx_PMAConfig(pcd, 0x02, PCD_SNG_BUF, 0x158); HAL_PCDEx_PMAConfig(pcd, 0x83, PCD_SNG_BUF, 0x198); HAL_PCD_Start(pcd); return RT_EOK; } const static struct udcd_ops _udc_ops = { _set_address, _set_config, _ep_set_stall, _ep_clear_stall, _ep_enable, _ep_disable, _ep_read_prepare, _ep_read, _ep_write, _ep0_send_status, _suspend, _wakeup, }; int stm_usbd_register(void) { rt_memset((void *)&_stm_udc, 0, sizeof(struct udcd)); _stm_udc.parent.type = RT_Device_Class_USBDevice; _stm_udc.parent.init = _init; _stm_udc.parent.user_data = &_stm_pcd; _stm_udc.ops = &_udc_ops; /* Register endpoint infomation */ _stm_udc.ep_pool = _ep_pool; _stm_udc.ep0.id = &_ep_pool[0]; rt_device_register((rt_device_t)&_stm_udc, "usbd", 0); rt_usb_device_init(); return 0; } INIT_DEVICE_EXPORT(stm_usbd_register);