X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/e6881fd166586793a5a90effeefe4188092f383b..2a0c28e6e47c8a173f32fc99cd8666a2633c5c12:/Demos/Device/LowLevel/AudioInput/AudioInput.c

diff --git a/Demos/Device/LowLevel/AudioInput/AudioInput.c b/Demos/Device/LowLevel/AudioInput/AudioInput.c
index 50e7f4df4..bf790169d 100644
--- a/Demos/Device/LowLevel/AudioInput/AudioInput.c
+++ b/Demos/Device/LowLevel/AudioInput/AudioInput.c
@@ -139,9 +139,7 @@ void EVENT_USB_UnhandledControlPacket(void)
 				/* Check if the host is enabling the audio interface (setting AlternateSetting to 1) */
 				StreamingAudioInterfaceSelected = ((USB_ControlRequest.wValue) != 0);
 				
-				/* Acknowledge status stage */
-				while (!(Endpoint_IsINReady()));
-				Endpoint_ClearIN();
+				Endpoint_ClearStatusStage();
 			}
 
 			break;
@@ -151,6 +149,10 @@ void EVENT_USB_UnhandledControlPacket(void)
 /** Task to manage the Audio interface, reading in ADC samples from the microphone, and them to the host. */
 void USB_Audio_Task(void)
 {
+	/* Device must be connected and configured for the task to run */
+	if (USB_DeviceState != DEVICE_STATE_Configured)
+	  return;
+
 	/* Check to see if the streaming interface is selected, if not the host is not receiving audio */
 	if (!(StreamingAudioInterfaceSelected))
 	  return;