1 files changed, 33 insertions, 5 deletions
diff --git a/demos/STM32/RT-STM32F429-DISCOVERY-TRIBUF/usbcfg.c b/demos/STM32/RT-STM32F429-DISCOVERY-TRIBUF/usbcfg.c
index 9f95a2a..906bf88 100644
--- a/demos/STM32/RT-STM32F429-DISCOVERY-TRIBUF/usbcfg.c
+++ b/demos/STM32/RT-STM32F429-DISCOVERY-TRIBUF/usbcfg.c
@@ -1,5 +1,5 @@
 /*
-    ChibiOS - Copyright (C) 2006..2015 Giovanni Di Sirio
+    ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
@@ -14,9 +14,11 @@
     limitations under the License.
 */
 
-#include "ch.h"
 #include "hal.h"
 
+/* Virtual serial port over USB.*/
+SerialUSBDriver SDU1;
+
 /*
  * Endpoints to be used for USBD2.
  */
@@ -265,8 +267,6 @@ static void usb_event(USBDriver *usbp, usbevent_t event) {
   extern SerialUSBDriver SDU1;
 
   switch (event) {
-  case USB_EVENT_RESET:
-    return;
   case USB_EVENT_ADDRESS:
     return;
   case USB_EVENT_CONFIGURED:
@@ -283,9 +283,25 @@ static void usb_event(USBDriver *usbp, usbevent_t event) {
 
     chSysUnlockFromISR();
     return;
+  case USB_EVENT_RESET:
+    /* Falls into.*/
+  case USB_EVENT_UNCONFIGURED:
+    /* Falls into.*/
   case USB_EVENT_SUSPEND:
+    chSysLockFromISR();
+
+    /* Disconnection event on suspend.*/
+    sduSuspendHookI(&SDU1);
+
+    chSysUnlockFromISR();
     return;
   case USB_EVENT_WAKEUP:
+    chSysLockFromISR();
+
+    /* Disconnection event on suspend.*/
+    sduWakeupHookI(&SDU1);
+
+    chSysUnlockFromISR();
     return;
   case USB_EVENT_STALLED:
     return;
@@ -294,13 +310,25 @@ 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(&SDU1);
+  osalSysUnlockFromISR();
+}
+
+/*
  * USB driver configuration.
  */
 const USBConfig usbcfg = {
   usb_event,
   get_descriptor,
   sduRequestsHook,
-  NULL
+  sof_handler
 };
 
 /*