Changed all Device mode LowLevel demos and Device Class drivers so that the control request is acknowledged and any data transferred as quickly as possible without any processing inbetween sections, so that long callbacks or event handlers will not break communications with the host by exceeding the maximum control request stage timeout period.

Demos/Device/LowLevel/AudioInput/AudioInput.c

@@ -133,12 +133,11 @@ void EVENT_USB_Device_UnhandledControlRequest(void)
 			/* Set Interface is not handled by the library, as its function is application-specific */
 			if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_INTERFACE))
 			{
-				Endpoint_ClearSETUP();
-				
+				Endpoint_ClearSETUP();				
+				Endpoint_ClearStatusStage();
+
 				/* Check if the host is enabling the audio interface (setting AlternateSetting to 1) */
 				StreamingAudioInterfaceSelected = ((USB_ControlRequest.wValue) != 0);
-				
-				Endpoint_ClearStatusStage();
 			}
 
 			break;