X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/864196c884ef3602aee44f1a68aceb5819a07f21..d11ed10c5314c44dc01c06954d1d73d4894cbff8:/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..89115f2db 100644 --- a/LUFA/Drivers/USB/Class/Device/Audio.c +++ b/LUFA/Drivers/USB/Class/Device/Audio.c @@ -1,21 +1,21 @@ /* LUFA Library - Copyright (C) Dean Camera, 2009. + Copyright (C) Dean Camera, 2010. dean [at] fourwalledcubicle [dot] com www.fourwalledcubicle.com */ /* - Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com) - - Permission to use, copy, modify, and distribute this software - and its documentation for any purpose and without fee is hereby - granted, provided that the above copyright notice appear in all - copies and that both that the copyright notice and this - permission notice and warranty disclaimer appear in supporting - documentation, and that the name of the author not be used in - advertising or publicity pertaining to distribution of the + Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the software without specific, written prior permission. The author disclaim all warranties with regard to this @@ -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; @@ -48,7 +48,7 @@ void Audio_Device_ProcessControlPacket(USB_ClassInfo_Audio_Device_t* const Audio { Endpoint_ClearSETUP(); - AudioInterfaceInfo->State.InterfaceEnabled = (USB_ControlRequest.wValue != 0); + AudioInterfaceInfo->State.InterfaceEnabled = ((USB_ControlRequest.wValue & 0xFF) != 0); Endpoint_ClearStatusStage(); } @@ -84,80 +84,20 @@ bool Audio_Device_ConfigureEndpoints(USB_ClassInfo_Audio_Device_t* AudioInterfac return true; } -void Audio_Device_USBTask(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo) -{ - -} - -int8_t Audio_Device_ReadSample8(void) -{ - int8_t Sample; - - Sample = Endpoint_Read_Byte(); - - if (!(Endpoint_IsReadWriteAllowed())) - Endpoint_ClearOUT(); - - return Sample; -} - -int16_t Audio_Device_ReadSample16(void) -{ - int16_t Sample; - - Sample = (int16_t)Endpoint_Read_Word_LE(); - - if (!(Endpoint_IsReadWriteAllowed())) - Endpoint_ClearOUT(); - - return Sample; -} - -int32_t Audio_Device_ReadSample24(void) -{ - int32_t Sample; - - Sample = (((uint32_t)Endpoint_Read_Byte() << 16) | Endpoint_Read_Word_LE()); - - if (!(Endpoint_IsReadWriteAllowed())) - Endpoint_ClearOUT(); - - return Sample; -} - -void Audio_Device_WriteSample8(const int8_t Sample) -{ - Endpoint_Write_Byte(Sample); - - if (!(Endpoint_IsReadWriteAllowed())) - Endpoint_ClearIN(); -} - -void Audio_Device_WriteSample16(const int16_t Sample) -{ - Endpoint_Write_Word_LE(Sample); - - if (!(Endpoint_IsReadWriteAllowed())) - Endpoint_ClearIN(); -} - -void Audio_Device_WriteSample24(const int32_t Sample) -{ - Endpoint_Write_Byte(Sample >> 16); - Endpoint_Write_Word_LE(Sample); - - if (!(Endpoint_IsReadWriteAllowed())) - 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(); }