1 files changed, 19 insertions, 1 deletions
diff --git a/examples/device/device_virtual_com/src/main.c b/examples/device/device_virtual_com/src/main.c
index c576b2f4f..c512f7c05 100644
--- a/examples/device/device_virtual_com/src/main.c
+++ b/examples/device/device_virtual_com/src/main.c
@@ -65,7 +65,6 @@ int main(void)
   tusb_init();
 
   //------------- application task init -------------//
-  led_blinking_init();
   cdc_serial_app_init();
 
   while (1)
@@ -93,6 +92,25 @@ void tud_umount_cb(uint8_t coreid)
 }
 
 //--------------------------------------------------------------------+
+// BLINKING TASK
+//--------------------------------------------------------------------+
+void led_blinking_task(void)
+{
+  enum { BLINK_INTEVAL = 1000 };
+
+  static uint32_t led_on_mask = 0;
+  static uint32_t last_blink = 0;
+
+  // not enough time
+  if ( last_blink + BLINK_INTEVAL > hal_tick_get() ) return;
+
+  last_blink += BLINK_INTEVAL;
+
+  board_leds(led_on_mask, 1 - led_on_mask);
+  led_on_mask = 1 - led_on_mask; // toggle
+}
+
+//--------------------------------------------------------------------+
 // HELPER FUNCTION
 //--------------------------------------------------------------------+
 void print_greeting(void)