Fix incorrect configuration in the ClassDriver AudioOutput demo.

[pub/USBasp.git] / LUFA / Drivers / USB / Class / Device / Audio.c

diff --git a/LUFA/Drivers/USB/Class/Device/Audio.c b/LUFA/Drivers/USB/Class/Device/Audio.c
index b018d66..210a3c8 100644 (file)
--- 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
 \r
 }\r
 \r
-int8_t Audio_Device_ReadSample8(void)\r
+int8_t Audio_Device_ReadSample8(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)\r
 {\r
        int8_t Sample;\r
 \r
        Sample = Endpoint_Read_Byte();\r
 \r
-       if (!(Endpoint_IsReadWriteAllowed()))\r
+       if (!(Endpoint_BytesInEndpoint()))\r
          Endpoint_ClearOUT();\r
        \r
        return Sample;\r
 }\r
 \r
-int16_t Audio_Device_ReadSample16(void)\r
+int16_t Audio_Device_ReadSample16(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)\r
 {\r
        int16_t Sample;\r
 \r
        Sample = (int16_t)Endpoint_Read_Word_LE();\r
                  \r
-       if (!(Endpoint_IsReadWriteAllowed()))\r
+       if (!(Endpoint_BytesInEndpoint()))\r
          Endpoint_ClearOUT();\r
 \r
        return Sample;\r
 }\r
 \r
-int32_t Audio_Device_ReadSample24(void)\r
+int32_t Audio_Device_ReadSample24(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)\r
 {\r
        int32_t Sample;\r
 \r
        Sample = (((uint32_t)Endpoint_Read_Byte() << 16) | Endpoint_Read_Word_LE());\r
                  \r
-       if (!(Endpoint_IsReadWriteAllowed()))\r
+       if (!(Endpoint_BytesInEndpoint()))\r
          Endpoint_ClearOUT();\r
 \r
        return Sample;\r
 }\r
 \r
-void Audio_Device_WriteSample8(const int8_t Sample)\r
+void Audio_Device_WriteSample8(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo, const int8_t Sample)\r
 {\r
        Endpoint_Write_Byte(Sample);\r
 \r
-       if (!(Endpoint_IsReadWriteAllowed()))\r
+       if (Endpoint_BytesInEndpoint() == AudioInterfaceInfo->Config.DataINEndpointSize)\r
          Endpoint_ClearIN();\r
 }\r
 \r
-void Audio_Device_WriteSample16(const int16_t Sample)\r
+void Audio_Device_WriteSample16(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo, const int16_t Sample)\r
 {\r
        Endpoint_Write_Word_LE(Sample);\r
 \r
-       if (!(Endpoint_IsReadWriteAllowed()))\r
+       if (Endpoint_BytesInEndpoint() == AudioInterfaceInfo->Config.DataINEndpointSize)\r
          Endpoint_ClearIN();\r
 }\r
 \r
-void Audio_Device_WriteSample24(const int32_t Sample)\r
+void Audio_Device_WriteSample24(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo, const int32_t Sample)\r
 {\r
        Endpoint_Write_Byte(Sample >> 16);\r
        Endpoint_Write_Word_LE(Sample);\r
 \r
-       if (!(Endpoint_IsReadWriteAllowed()))\r
+       if (Endpoint_BytesInEndpoint() == AudioInterfaceInfo->Config.DataINEndpointSize)\r
          Endpoint_ClearIN();\r
 }\r
 \r
 bool Audio_Device_IsSampleReceived(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)\r
 {\r
-       Endpoint_SelectEndpoint(AudioInterfaceInfo->Config.DataOUTEndpointNumber);\r
+       if ((USB_DeviceState != DEVICE_STATE_Configured) || !(AudioInterfaceInfo->State.InterfaceEnabled))\r
+         return false;\r
+       \r
+       Endpoint_SelectEndpoint(AudioInterfaceInfo->Config.DataOUTEndpointNumber);      \r
        return Endpoint_IsOUTReceived();\r
 }\r
 \r
 bool Audio_Device_IsReadyForNextSample(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo)\r
 {\r
+       if ((USB_DeviceState != DEVICE_STATE_Configured) || !(AudioInterfaceInfo->State.InterfaceEnabled))\r
+         return false;\r
+       \r
        Endpoint_SelectEndpoint(AudioInterfaceInfo->Config.DataINEndpointNumber);\r
        return Endpoint_IsINReady();\r
 }\r