/** * @brief USBD_Start * Start the USB Device Core. * @param pdev: Device Handle * @retval USBD Status */ USBD_StatusTypeDef USBD_Start (USBD_HandleTypeDef *pdev) { /* Start the low level driver */ USBD_LL_Start(pdev); return USBD_OK; }
bool pyb_usb_dev_init(uint16_t vid, uint16_t pid, usb_device_mode_t mode, USBD_HID_ModeInfoTypeDef *hid_info) { bool high_speed = (mode & USBD_MODE_HIGH_SPEED) != 0; mode &= 0x7f; usb_device_t *usb_dev = &usb_device; if (!usb_dev->enabled) { // only init USB once in the device's power-lifetime // set up the USBD state USBD_HandleTypeDef *usbd = &usb_dev->hUSBDDevice; usbd->id = MICROPY_HW_USB_MAIN_DEV; usbd->dev_state = USBD_STATE_DEFAULT; usbd->pDesc = (USBD_DescriptorsTypeDef*)&USBD_Descriptors; usbd->pClass = &USBD_CDC_MSC_HID; usb_dev->usbd_cdc_msc_hid_state.pdev = usbd; usb_dev->usbd_cdc_msc_hid_state.cdc = &usb_dev->usbd_cdc_itf.base; #if MICROPY_HW_USB_ENABLE_CDC2 usb_dev->usbd_cdc_msc_hid_state.cdc2 = &usb_dev->usbd_cdc2_itf.base; #endif usb_dev->usbd_cdc_msc_hid_state.hid = &usb_dev->usbd_hid_itf.base; usbd->pClassData = &usb_dev->usbd_cdc_msc_hid_state; // configure the VID, PID and the USBD mode (interfaces it will expose) USBD_SetVIDPIDRelease(&usb_dev->usbd_cdc_msc_hid_state, vid, pid, 0x0200, mode == USBD_MODE_CDC); if (USBD_SelectMode(&usb_dev->usbd_cdc_msc_hid_state, mode, hid_info) != 0) { return false; } switch (pyb_usb_storage_medium) { #if MICROPY_HW_ENABLE_SDCARD case PYB_USB_STORAGE_MEDIUM_SDCARD: USBD_MSC_RegisterStorage(&usb_dev->usbd_cdc_msc_hid_state, (USBD_StorageTypeDef*)&USBD_SDCARD_STORAGE_fops); break; #endif default: USBD_MSC_RegisterStorage(&usb_dev->usbd_cdc_msc_hid_state, (USBD_StorageTypeDef*)&USBD_FLASH_STORAGE_fops); break; } // start the USB device USBD_LL_Init(usbd, high_speed); USBD_LL_Start(usbd); usb_dev->enabled = true; } return true; }