Add request hook

source/usbcfg.c

@@ -257,6 +257,14 @@ static const USBEndpointConfig ep2config = {
   NULL
 };
 
+/*
+ * USB Request Hook 
+ */
+static bool usb_request(USBDriver *usbp) {
+  (void)usbp;
+  return false;
+}
+
 /*
  * Handles the USB driver global events.
  */
@@ -293,7 +301,6 @@ static void usb_event(USBDriver *usbp, usbevent_t event) {
  * Handles the USB driver global events.
  */
 static void sof_handler(USBDriver *usbp) {
-
   (void)usbp;
 }
 
@@ -303,6 +310,6 @@ static void sof_handler(USBDriver *usbp) {
 const USBConfig usbcfg = {
   usb_event,
   get_descriptor,
-  NULL,
+  usb_request,
   sof_handler
 };