1 files changed, 18 insertions, 4 deletions
diff --git a/demos/STM32/RT-STM32F746G-DISCOVERY-LWIP-FATFS-USB/usbcfg.c b/demos/STM32/RT-STM32F746G-DISCOVERY-LWIP-FATFS-USB/usbcfg.c
index 968fd6724..c836f16c1 100644
--- a/demos/STM32/RT-STM32F746G-DISCOVERY-LWIP-FATFS-USB/usbcfg.c
+++ b/demos/STM32/RT-STM32F746G-DISCOVERY-LWIP-FATFS-USB/usbcfg.c
@@ -14,9 +14,11 @@
     limitations under the License.
 */
 
-#include "ch.h"
 #include "hal.h"
 
+/* Virtual serial port over USB.*/
+SerialUSBDriver SDU2;
+
 /*
  * Endpoints to be used for USBD2.
  */
@@ -28,7 +30,7 @@
  * USB Device Descriptor.
  */
 static const uint8_t vcom_device_descriptor_data[18] = {
-  USB_DESC_DEVICE       (0x0110,        /* bcdUSB (1.1).                    */
+  USB_DESC_DEVICE       (0x0200,        /* bcdUSB (2.0).                    */
                          0x02,          /* bDeviceClass (CDC).              */
                          0x00,          /* bDeviceSubClass.                 */
                          0x00,          /* bDeviceProtocol.                 */
@@ -233,7 +235,7 @@ static const USBEndpointConfig ep1config = {
   0x0040,
   &ep1instate,
   &ep1outstate,
-  2,
+  4,
   NULL
 };
 
@@ -300,13 +302,25 @@ static void usb_event(USBDriver *usbp, usbevent_t event) {
 }
 
 /*
+ * Handles the USB driver global events.
+ */
+static void sof_handler(USBDriver *usbp) {
+
+  (void)usbp;
+
+  osalSysLockFromISR();
+  sduSOFHookI(&SDU2);
+  osalSysUnlockFromISR();
+}
+
+/*
  * USB driver configuration.
  */
 const USBConfig usbcfg = {
   usb_event,
   get_descriptor,
   sduRequestsHook,
-  NULL
+  sof_handler
 };
 
 /*