/*
LUFA Library
- Copyright (C) Dean Camera, 2010.
+ Copyright (C) Dean Camera, 2012.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
/*
- Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+ Copyright 2012 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
#include <avr/pgmspace.h>
- /* Macros: */
- /** Endpoint number of the Audio isochronous streaming data endpoint. */
- #define AUDIO_STREAM_EPNUM 1
+ #include "Config/AppConfig.h"
- /** Endpoint size in bytes of the Audio isochronous streaming data endpoint. The Windows audio stack requires
- * at least 192 bytes for correct output, thus the smaller 128 byte maximum endpoint size on some of the smaller
- * USB AVR models will result in unavoidable distorted output.
- */
- #define AUDIO_STREAM_EPSIZE ENDPOINT_MAX_SIZE(AUDIO_STREAM_EPNUM)
+ /* Macros: */
+ /** Endpoint address of the Audio isochronous streaming data IN endpoint. */
+ #define AUDIO_STREAM_EPADDR (ENDPOINT_DIR_IN | 1)
- /** Sample frequency of the data being transmitted through the streaming endpoint. */
- #define AUDIO_SAMPLE_FREQUENCY 48000
+ /** Endpoint size in bytes of the Audio isochronous streaming data endpoint. */
+ #define AUDIO_STREAM_EPSIZE 256
/* Type Defines: */
/** Type define for the device configuration descriptor structure. This must be defined in the
typedef struct
{
USB_Descriptor_Configuration_Header_t Config;
+
+ // Audio Control Interface
USB_Descriptor_Interface_t Audio_ControlInterface;
USB_Audio_Descriptor_Interface_AC_t Audio_ControlInterface_SPC;
USB_Audio_Descriptor_InputTerminal_t Audio_InputTerminal;
USB_Audio_Descriptor_OutputTerminal_t Audio_OutputTerminal;
+
+ // Audio Streaming Interface
USB_Descriptor_Interface_t Audio_StreamInterface_Alt0;
USB_Descriptor_Interface_t Audio_StreamInterface_Alt1;
USB_Audio_Descriptor_Interface_AS_t Audio_StreamInterface_SPC;
USB_Audio_Descriptor_Format_t Audio_AudioFormat;
+ USB_Audio_SampleFreq_t Audio_AudioFormatSampleRates[5];
USB_Audio_Descriptor_StreamEndpoint_Std_t Audio_StreamEndpoint;
USB_Audio_Descriptor_StreamEndpoint_Spc_t Audio_StreamEndpoint_SPC;
} USB_Descriptor_Configuration_t;