X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/864196c884ef3602aee44f1a68aceb5819a07f21..f9f1bcc25c17b031029200cd9648d76d4ee39dc4:/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 b018d6686..c4fbc3d9c 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* const AudioInterfaceInfo) +void Audio_Device_ProcessControlRequest(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo) { if (!(Endpoint_IsSETUPReceived())) return; @@ -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(); }