stm32/usbd_conf: Allocate enough space in USB HS TX FIFO for CDC packet.
The CDC maximum packet size is 512 bytes, or 128 32-bit words, and the TX
FIFO must be configured to have at least this size.
@@ -456,13 +456,13 @@ USBD_StatusTypeDef USBD_LL_Init(USBD_HandleTypeDef *pdev, int high_speed) {
HAL_PCD_Init(&pcd_hs_handle);
// We have 1024 32-bit words in total to use here
- HAL_PCD_SetRxFiFo(&pcd_hs_handle, 512);
+ HAL_PCD_SetRxFiFo(&pcd_hs_handle, 464);
HAL_PCD_SetTxFiFo(&pcd_hs_handle, 0, 32); // EP0
HAL_PCD_SetTxFiFo(&pcd_hs_handle, 1, 256); // MSC / HID
- HAL_PCD_SetTxFiFo(&pcd_hs_handle, 2, 32); // CDC CMD
- HAL_PCD_SetTxFiFo(&pcd_hs_handle, 3, 64); // CDC DATA
- HAL_PCD_SetTxFiFo(&pcd_hs_handle, 4, 32); // CDC2 CMD
- HAL_PCD_SetTxFiFo(&pcd_hs_handle, 5, 64); // CDC2 DATA
+ HAL_PCD_SetTxFiFo(&pcd_hs_handle, 2, 8); // CDC CMD
+ HAL_PCD_SetTxFiFo(&pcd_hs_handle, 3, 128); // CDC DATA
+ HAL_PCD_SetTxFiFo(&pcd_hs_handle, 4, 8); // CDC2 CMD
+ HAL_PCD_SetTxFiFo(&pcd_hs_handle, 5, 128); // CDC2 DATA
#else // !MICROPY_HW_USB_HS_IN_FS
