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| author | Damien George <damien@micropython.org> | 2023-09-20 19:07:45 +1000 |
|---|---|---|
| committer | Damien George <damien@micropython.org> | 2023-12-20 17:25:10 +1100 |
| commit | 7cf1118831e71670dc237b5256a54856f6fdf0c2 (patch) | |
| tree | 93601ab2062d8082181b53508599a8aa159cea26 | |
| parent | f46269a1d16a5d0890bbc97d1141af7173050013 (diff) | |
| download | micropython-7cf1118831e71670dc237b5256a54856f6fdf0c2.tar.gz micropython-7cf1118831e71670dc237b5256a54856f6fdf0c2.zip | |
stm32/usbdev: Optionally pass through vendor requests to Setup function.
Signed-off-by: Damien George <damien@micropython.org>
| -rw-r--r-- | ports/stm32/usbd_conf.h | 5 | ||||
| -rw-r--r-- | ports/stm32/usbdev/core/src/usbd_ctlreq.c | 8 |
2 files changed, 13 insertions, 0 deletions
diff --git a/ports/stm32/usbd_conf.h b/ports/stm32/usbd_conf.h index 83805a6e4d..e61e7ce7ef 100644 --- a/ports/stm32/usbd_conf.h +++ b/ports/stm32/usbd_conf.h @@ -49,6 +49,11 @@ #endif #define USBD_DEBUG_LEVEL 0 +// Whether the core USBD driver passes through vendor device requests to the class implementation. +#ifndef USBD_ENABLE_VENDOR_DEVICE_REQUESTS +#define USBD_ENABLE_VENDOR_DEVICE_REQUESTS (0) +#endif + // For MCUs with a device-only USB peripheral #define USBD_PMA_RESERVE (64) #define USBD_PMA_NUM_FIFO (16) // Maximum 8 endpoints, 2 FIFOs each diff --git a/ports/stm32/usbdev/core/src/usbd_ctlreq.c b/ports/stm32/usbdev/core/src/usbd_ctlreq.c index f25f252d64..97888918a8 100644 --- a/ports/stm32/usbdev/core/src/usbd_ctlreq.c +++ b/ports/stm32/usbdev/core/src/usbd_ctlreq.c @@ -120,6 +120,14 @@ USBD_StatusTypeDef USBD_StdDevReq (USBD_HandleTypeDef *pdev , USBD_SetupReqType { USBD_StatusTypeDef ret = USBD_OK; + #if USBD_ENABLE_VENDOR_DEVICE_REQUESTS + // Pass through vendor device requests directly to the implementation. + // It must call `USBD_CtlError(pdev, req);` if it does not respond to the request. + if ((req->bmRequest & 0xe0) == 0xc0) { + return pdev->pClass->Setup (pdev, req); + } + #endif + switch (req->bRequest) { case USB_REQ_GET_DESCRIPTOR: |