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-rw-r--r--demos/STM32/RT-STM32F407-OLIMEX_E407-LWIP-FATFS-USB/main.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/demos/STM32/RT-STM32F407-OLIMEX_E407-LWIP-FATFS-USB/main.c b/demos/STM32/RT-STM32F407-OLIMEX_E407-LWIP-FATFS-USB/main.c
index 4e114a51a..5f2888452 100644
--- a/demos/STM32/RT-STM32F407-OLIMEX_E407-LWIP-FATFS-USB/main.c
+++ b/demos/STM32/RT-STM32F407-OLIMEX_E407-LWIP-FATFS-USB/main.c
@@ -425,6 +425,12 @@ static void usb_event(USBDriver *usbp, usbevent_t event) {
chSysUnlockFromISR();
return;
case USB_EVENT_SUSPEND:
+ chSysLockFromISR();
+
+ /* Disconnection event on suspend.*/
+ sduDisconnectI(&SDU2);
+
+ chSysUnlockFromISR();
return;
case USB_EVENT_WAKEUP:
return;