X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/e6881fd166586793a5a90effeefe4188092f383b..2a0c28e6e47c8a173f32fc99cd8666a2633c5c12:/Demos/Device/LowLevel/AudioOutput/AudioOutput.c?ds=inline

diff --git a/Demos/Device/LowLevel/AudioOutput/AudioOutput.c b/Demos/Device/LowLevel/AudioOutput/AudioOutput.c
index 07418d5d9..89c4446bc 100644
--- a/Demos/Device/LowLevel/AudioOutput/AudioOutput.c
+++ b/Demos/Device/LowLevel/AudioOutput/AudioOutput.c
@@ -97,7 +97,7 @@ void EVENT_USB_Connect(void)
 #if (defined(AUDIO_OUT_MONO) || defined(AUDIO_OUT_STEREO))
 	/* PWM speaker timer initialization */
 	TCCRxA  = ((1 << WGMx0) | (1 << COMxA1) | (1 << COMxA0)
-							| (1 << COMxB1) | (1 << COMxB0)); // Set on match, clear on TOP
+	                        | (1 << COMxB1) | (1 << COMxB0)); // Set on match, clear on TOP
 	TCCRxB  = ((1 << WGMx2) | (1 << CSx0));  // Fast 8-Bit PWM, Fcpu speed
 #endif	
 }
@@ -166,9 +166,7 @@ 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;
@@ -180,6 +178,10 @@ void EVENT_USB_UnhandledControlPacket(void)
  */
 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;