X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/41b54a2acd2d5515cc7f3f1ed1c3d3b17d1988a1..41babf1cb78a2a8e05f40f5de61c3f52bb794fc4:/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 b018d6686..210a3c800 100644
--- a/LUFA/Drivers/USB/Class/Device/Audio.c
+++ b/LUFA/Drivers/USB/Class/Device/Audio.c
@@ -89,75 +89,81 @@ void Audio_Device_USBTask(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo
 
 }
 
-int8_t Audio_Device_ReadSample8(void)
+int8_t Audio_Device_ReadSample8(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)
 {
 	int8_t Sample;
 
 	Sample = Endpoint_Read_Byte();
 
-	if (!(Endpoint_IsReadWriteAllowed()))
+	if (!(Endpoint_BytesInEndpoint()))
 	  Endpoint_ClearOUT();
 	
 	return Sample;
 }
 
-int16_t Audio_Device_ReadSample16(void)
+int16_t Audio_Device_ReadSample16(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)
 {
 	int16_t Sample;
 
 	Sample = (int16_t)Endpoint_Read_Word_LE();
 		  
-	if (!(Endpoint_IsReadWriteAllowed()))
+	if (!(Endpoint_BytesInEndpoint()))
 	  Endpoint_ClearOUT();
 
 	return Sample;
 }
 
-int32_t Audio_Device_ReadSample24(void)
+int32_t Audio_Device_ReadSample24(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)
 {
 	int32_t Sample;
 
 	Sample = (((uint32_t)Endpoint_Read_Byte() << 16) | Endpoint_Read_Word_LE());
 		  
-	if (!(Endpoint_IsReadWriteAllowed()))
+	if (!(Endpoint_BytesInEndpoint()))
 	  Endpoint_ClearOUT();
 
 	return Sample;
 }
 
-void Audio_Device_WriteSample8(const int8_t Sample)
+void Audio_Device_WriteSample8(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo, const int8_t Sample)
 {
 	Endpoint_Write_Byte(Sample);
 
-	if (!(Endpoint_IsReadWriteAllowed()))
+	if (Endpoint_BytesInEndpoint() == AudioInterfaceInfo->Config.DataINEndpointSize)
 	  Endpoint_ClearIN();
 }
 
-void Audio_Device_WriteSample16(const int16_t Sample)
+void Audio_Device_WriteSample16(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo, const int16_t Sample)
 {
 	Endpoint_Write_Word_LE(Sample);
 
-	if (!(Endpoint_IsReadWriteAllowed()))
+	if (Endpoint_BytesInEndpoint() == AudioInterfaceInfo->Config.DataINEndpointSize)
 	  Endpoint_ClearIN();
 }
 
-void Audio_Device_WriteSample24(const int32_t Sample)
+void Audio_Device_WriteSample24(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo, const int32_t Sample)
 {
 	Endpoint_Write_Byte(Sample >> 16);
 	Endpoint_Write_Word_LE(Sample);
 
-	if (!(Endpoint_IsReadWriteAllowed()))
+	if (Endpoint_BytesInEndpoint() == AudioInterfaceInfo->Config.DataINEndpointSize)
 	  Endpoint_ClearIN();
 }
 
 bool Audio_Device_IsSampleReceived(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)
 {
-	Endpoint_SelectEndpoint(AudioInterfaceInfo->Config.DataOUTEndpointNumber);
+	if ((USB_DeviceState != DEVICE_STATE_Configured) || !(AudioInterfaceInfo->State.InterfaceEnabled))
+	  return false;
+	
+	Endpoint_SelectEndpoint(AudioInterfaceInfo->Config.DataOUTEndpointNumber);	
 	return Endpoint_IsOUTReceived();
 }
 
 bool Audio_Device_IsReadyForNextSample(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)
 {
+	if ((USB_DeviceState != DEVICE_STATE_Configured) || !(AudioInterfaceInfo->State.InterfaceEnabled))
+	  return false;
+	
 	Endpoint_SelectEndpoint(AudioInterfaceInfo->Config.DataINEndpointNumber);
 	return Endpoint_IsINReady();
 }