[USB] Add CDC to USBD interface

Signed-off-by: Frederic.Pillon <[email protected]>

Author: fpistm

cores/arduino/stm32/usbd_interface.c

@@ -38,6 +38,9 @@
 #ifdef USBD_USE_HID_COMPOSITE
 #include "usbd_hid_composite.h"
 #endif
+#ifdef USBD_USE_CDC
+#include "usbd_cdc_if.h"
+#endif
 
 #ifdef __cplusplus
  extern "C" {
@@ -47,6 +50,9 @@
 #ifdef USBD_USE_HID_COMPOSITE
 USBD_HandleTypeDef hUSBD_Device_HID;
 #endif /* USBD_USE_HID_COMPOSITE*/
+#ifdef USBD_USE_CDC
+USBD_HandleTypeDef hUSBD_Device_CDC;
+#endif /* USBD_USE_CDC */
 
 /**
   * @brief  initialize USB devices
@@ -65,6 +71,21 @@ void usbd_interface_init(void)
   /* Start Device Process */
   USBD_Start(&hUSBD_Device_HID);
 #endif /* USBD_USE_HID_COMPOSITE */
+#ifdef USBD_USE_CDC
+  /* Init Device Library */
+  if (USBD_Init(&hUSBD_Device_CDC, &CDC_Desc, 0) == USBD_OK) {
+
+    /* Add Supported Class */
+    if (USBD_RegisterClass(&hUSBD_Device_CDC, USBD_CDC_CLASS) == USBD_OK) {
+
+      /* Add CDC Interface Class */
+      if (USBD_CDC_RegisterInterface(&hUSBD_Device_CDC, &USBD_CDC_fops) == USBD_OK) {
+        /* Start Device Process */
+        USBD_Start(&hUSBD_Device_CDC);
+      }
+    }
+  }
+#endif /* USBD_USE_CDC */
 }
 
 #ifdef USBD_USE_HID_COMPOSITE