diff options
Diffstat (limited to 'src/device/usbd_pvt.h')
| -rw-r--r-- | src/device/usbd_pvt.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/device/usbd_pvt.h b/src/device/usbd_pvt.h index 44310f022..1d60e5ae2 100644 --- a/src/device/usbd_pvt.h +++ b/src/device/usbd_pvt.h @@ -51,10 +51,21 @@ typedef struct void (* sof ) (uint8_t rhport); /* optional */ } usbd_class_driver_t; +#if !defined(TU_HAS_NO_ATTR_WEAK) // Invoked when initializing device stack to get additional class drivers. // Can optionally implemented by application to extend/overwrite class driver support. // Note: The drivers array must be accessible at all time when stack is active usbd_class_driver_t const* usbd_app_driver_get_cb(uint8_t* driver_count) TU_ATTR_WEAK; +#else + #if ADD_WEAK_FUNC_USBD_APP_DRIVER_GET_CB + #define USBD_APP_DRIVER_GET_CB usbd_app_driver_get_cb + #endif + #ifndef USBD_APP_DRIVER_GET_CB + #define USBD_APP_DRIVER_GET_CB NULL + #else + extern usbd_class_driver_t const* USBD_APP_DRIVER_GET_CB(uint8_t* driver_count); + #endif +#endif typedef bool (*usbd_control_xfer_cb_t)(uint8_t rhport, uint8_t stage, tusb_control_request_t const * request); |