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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.
This commit is contained in:
Damien George 2018-09-26 12:00:56 +10:00
parent 5f92756c2c
commit 7b452e7466
1 changed files with 5 additions and 5 deletions
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10
ports/stm32/usbd_conf.c
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@ -456,13 +456,13 @@ USBD_StatusTypeDef USBD_LL_Init(USBD_HandleTypeDef *pdev, int high_speed) {
HAL_PCD_Init(&pcd_hs_handle); HAL_PCD_Init(&pcd_hs_handle);
// We have 1024 32-bit words in total to use here // 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, 0, 32); // EP0
HAL_PCD_SetTxFiFo(&pcd_hs_handle, 1, 256); // MSC / HID 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, 2, 8); // CDC CMD
HAL_PCD_SetTxFiFo(&pcd_hs_handle, 3, 64); // CDC DATA HAL_PCD_SetTxFiFo(&pcd_hs_handle, 3, 128); // CDC DATA
HAL_PCD_SetTxFiFo(&pcd_hs_handle, 4, 32); // CDC2 CMD HAL_PCD_SetTxFiFo(&pcd_hs_handle, 4, 8); // CDC2 CMD
HAL_PCD_SetTxFiFo(&pcd_hs_handle, 5, 64); // CDC2 DATA HAL_PCD_SetTxFiFo(&pcd_hs_handle, 5, 128); // CDC2 DATA
#else // !MICROPY_HW_USB_HS_IN_FS #else // !MICROPY_HW_USB_HS_IN_FS