2 files changed, 13 insertions, 0 deletions
diff --git a/testhal/STM32/STM32F30x/USB_CDC/main.c b/testhal/STM32/STM32F30x/USB_CDC/main.c
index c40a82cb1..c99d56466 100644
--- a/testhal/STM32/STM32F30x/USB_CDC/main.c
+++ b/testhal/STM32/STM32F30x/USB_CDC/main.c
@@ -306,6 +306,12 @@ static void usb_event(USBDriver *usbp, usbevent_t event) {
     chSysUnlockFromISR();
     return;
   case USB_EVENT_SUSPEND:
+    chSysLockFromISR();
+
+    /* Disconnection event on suspend.*/
+    sduDisconnectI(&SDU1);
+
+    chSysUnlockFromISR();
     return;
   case USB_EVENT_WAKEUP:
     return;
diff --git a/testhal/STM32/STM32F30x/USB_CDC_IAD/usbcfg.c b/testhal/STM32/STM32F30x/USB_CDC_IAD/usbcfg.c
index ef55d2bd8..70e55dbba 100644
--- a/testhal/STM32/STM32F30x/USB_CDC_IAD/usbcfg.c
+++ b/testhal/STM32/STM32F30x/USB_CDC_IAD/usbcfg.c
@@ -394,6 +394,13 @@ static void usb_event(USBDriver *usbp, usbevent_t event) {
     chSysUnlockFromISR();
     return;
   case USB_EVENT_SUSPEND:
+    chSysLockFromISR();
+
+    /* Disconnection event on suspend.*/
+    sduDisconnectI(&SDU1);
+    sduDisconnectI(&SDU2);
+
+    chSysUnlockFromISR();
     return;
   case USB_EVENT_WAKEUP:
     return;