X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/73d9fafc0fe42741ad8f609dd4762e2bc14cbd01..d0db78432fc02bacbd57cc9f15eb05b4e56981cb:/Demos/Device/LowLevel/CDC/CDC.c?ds=sidebyside

diff --git a/Demos/Device/LowLevel/CDC/CDC.c b/Demos/Device/LowLevel/CDC/CDC.c
index ac0623a4d..d8263b11f 100644
--- a/Demos/Device/LowLevel/CDC/CDC.c
+++ b/Demos/Device/LowLevel/CDC/CDC.c
@@ -254,6 +254,10 @@ void CDC_Task(void)
 			"Joystick Pressed\r\n",
 		};
 	
+	/* Device must be connected and configured for the task to run */
+	if (!(USB_IsConnected) || !(USB_ConfigurationNumber))
+	  return;
+	  
 #if 0
 	/* NOTE: Here you can use the notification endpoint to send back line state changes to the host, for the special RS-232
 	 *       handshake signal lines (and some error states), via the CONTROL_LINE_IN_* masks and the following code: