migrate vendor device to new control xfer cb

examples/device/webusb_serial/src/main.c

@@ -143,9 +143,14 @@ void tud_resume_cb(void)
 // WebUSB use vendor class
 //--------------------------------------------------------------------+
 
-// Invoked when received VENDOR control request
-bool tud_vendor_control_request_cb(uint8_t rhport, tusb_control_request_t const * request)
+// Invoked when a control transfer occurred on an interface of this class
+// Driver response accordingly to the request and the transfer stage (setup/data/ack)
+// return false to stall control endpoint (e.g unsupported request)
+bool tud_vendor_control_xfer_cb(uint8_t rhport, uint8_t stage, tusb_control_request_t const * request)
 {
+  // nothing to with DATA & ACK stage
+  if (stage != CONTROL_STAGE_SETUP ) return true;
+
   switch (request->bRequest)
   {
     case VENDOR_REQUEST_WEBUSB:
@@ -194,16 +199,6 @@ bool tud_vendor_control_request_cb(uint8_t rhport, tusb_control_request_t const
   return true;
 }
 
-// Invoked when DATA Stage of VENDOR's request is complete
-bool tud_vendor_control_complete_cb(uint8_t rhport, tusb_control_request_t const * request)
-{
-  (void) rhport;
-  (void) request;
-
-  // nothing to do
-  return true;
-}
-
 void webserial_task(void)
 {
   if ( web_serial_connected )

src/device/usbd.c

@@ -158,8 +158,7 @@ static usbd_class_driver_t const _usbd_driver[] =
     .init             = vendord_init,
     .reset            = vendord_reset,
     .open             = vendord_open,
-    .control_xfer_cb  = tud_vendor_control_request_cb,
-    .control_complete = tud_vendor_control_complete_cb,
+    .control_xfer_cb  = tud_vendor_control_xfer_cb,
     .xfer_cb          = vendord_xfer_cb,
     .sof              = NULL
   },

src/device/usbd.h

@@ -127,10 +127,6 @@ TU_ATTR_WEAK void tud_resume_cb(void);
 // Invoked when received control request with VENDOR TYPE
 TU_ATTR_WEAK bool tud_vendor_control_xfer_cb(uint8_t rhport, uint8_t stage, tusb_control_request_t const * request);
 
-// Invoked when vendor control request is complete
-TU_ATTR_WEAK bool tud_vendor_control_complete_cb(uint8_t rhport, tusb_control_request_t const * request);
-
-
 //--------------------------------------------------------------------+
 // Binary Device Object Store (BOS) Descriptor Templates
 //--------------------------------------------------------------------+