X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/f896c00c48f04fb9273555ab8d9b1af99f865d25..61ff4824a904d156e719ab2967b613cf095e908e:/LUFA/Drivers/USB/Class/Device/Audio.c?ds=sidebyside

diff --git a/LUFA/Drivers/USB/Class/Device/Audio.c b/LUFA/Drivers/USB/Class/Device/Audio.c
index e398f1c0e..b018d6686 100644
--- a/LUFA/Drivers/USB/Class/Device/Audio.c
+++ b/LUFA/Drivers/USB/Class/Device/Audio.c
@@ -33,7 +33,7 @@
 
 #include "Audio.h"
 
-void Audio_Device_ProcessControlPacket(USB_ClassInfo_Audio_Device_t* AudioInterfaceInfo)
+void Audio_Device_ProcessControlPacket(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)
 {
 	if (!(Endpoint_IsSETUPReceived()))
 	  return;
@@ -50,8 +50,7 @@ void Audio_Device_ProcessControlPacket(USB_ClassInfo_Audio_Device_t* AudioInterf
 				
 				AudioInterfaceInfo->State.InterfaceEnabled = (USB_ControlRequest.wValue != 0);
 				  
-				while (!(Endpoint_IsINReady()));
-				Endpoint_ClearIN();
+				Endpoint_ClearStatusStage();
 			}
 
 			break;
@@ -60,6 +59,8 @@ void Audio_Device_ProcessControlPacket(USB_ClassInfo_Audio_Device_t* AudioInterf
 
 bool Audio_Device_ConfigureEndpoints(USB_ClassInfo_Audio_Device_t* AudioInterfaceInfo)
 {
+	memset(&AudioInterfaceInfo->State, 0x00, sizeof(AudioInterfaceInfo->State));
+
 	if (AudioInterfaceInfo->Config.DataINEndpointNumber)
 	{
 		if (!(Endpoint_ConfigureEndpoint(AudioInterfaceInfo->Config.DataINEndpointNumber, EP_TYPE_ISOCHRONOUS,
@@ -79,11 +80,11 @@ bool Audio_Device_ConfigureEndpoints(USB_ClassInfo_Audio_Device_t* AudioInterfac
 			return false;
 		}
 	}
-
+	
 	return true;
 }
 
-void Audio_Device_USBTask(USB_ClassInfo_Audio_Device_t* AudioInterfaceInfo)
+void Audio_Device_USBTask(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)
 {
 
 }
@@ -124,7 +125,7 @@ int32_t Audio_Device_ReadSample24(void)
 	return Sample;
 }
 
-void Audio_Device_WriteSample8(int8_t Sample)
+void Audio_Device_WriteSample8(const int8_t Sample)
 {
 	Endpoint_Write_Byte(Sample);
 
@@ -132,7 +133,7 @@ void Audio_Device_WriteSample8(int8_t Sample)
 	  Endpoint_ClearIN();
 }
 
-void Audio_Device_WriteSample16(int16_t Sample)
+void Audio_Device_WriteSample16(const int16_t Sample)
 {
 	Endpoint_Write_Word_LE(Sample);
 
@@ -140,7 +141,7 @@ void Audio_Device_WriteSample16(int16_t Sample)
 	  Endpoint_ClearIN();
 }
 
-void Audio_Device_WriteSample24(int32_t Sample)
+void Audio_Device_WriteSample24(const int32_t Sample)
 {
 	Endpoint_Write_Byte(Sample >> 16);
 	Endpoint_Write_Word_LE(Sample);
@@ -149,13 +150,13 @@ void Audio_Device_WriteSample24(int32_t Sample)
 	  Endpoint_ClearIN();
 }
 
-bool Audio_Device_IsSampleReceived(USB_ClassInfo_Audio_Device_t* AudioInterfaceInfo)
+bool Audio_Device_IsSampleReceived(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)
 {
 	Endpoint_SelectEndpoint(AudioInterfaceInfo->Config.DataOUTEndpointNumber);
 	return Endpoint_IsOUTReceived();
 }
 
-bool Audio_Device_IsReadyForNextSample(USB_ClassInfo_Audio_Device_t* AudioInterfaceInfo)
+bool Audio_Device_IsReadyForNextSample(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)
 {
 	Endpoint_SelectEndpoint(AudioInterfaceInfo->Config.DataINEndpointNumber);
 	return Endpoint_IsINReady();