/*\r
LUFA Library\r
- Copyright (C) Dean Camera, 2009.\r
+ Copyright (C) Dean Camera, 2010.\r
\r
dean [at] fourwalledcubicle [dot] com\r
www.fourwalledcubicle.com\r
*/\r
\r
/*\r
- Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
-\r
- Permission to use, copy, modify, and distribute this software\r
- and its documentation for any purpose and without fee is hereby\r
- granted, provided that the above copyright notice appear in all\r
- copies and that both that the copyright notice and this\r
- permission notice and warranty disclaimer appear in supporting\r
- documentation, and that the name of the author not be used in\r
- advertising or publicity pertaining to distribution of the\r
+ Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
+\r
+ Permission to use, copy, modify, distribute, and sell this \r
+ software and its documentation for any purpose is hereby granted\r
+ without fee, provided that the above copyright notice appear in \r
+ all copies and that both that the copyright notice and this\r
+ permission notice and warranty disclaimer appear in supporting \r
+ documentation, and that the name of the author not be used in \r
+ advertising or publicity pertaining to distribution of the \r
software without specific, written prior permission.\r
\r
The author disclaim all warranties with regard to this\r
this software.\r
*/\r
\r
+/** \file\r
+ * \brief Common definitions and declarations for the library USB Audio Class driver.\r
+ *\r
+ * Common definitions and declarations for the library USB Audio Class driver.\r
+ *\r
+ * \note This file should not be included directly. It is automatically included as needed by the class driver\r
+ * dispatch header located in LUFA/Drivers/USB/Class/Audio.h.\r
+ */\r
+\r
/** \ingroup Group_USBClassAudio\r
+ * @defgroup Group_USBClassAudioCommon Common Class Definitions\r
+ *\r
+ * \section Module Description\r
+ * Constants, Types and Enum definitions that are common to both Device and Host modes for the USB\r
+ * Audio Class.\r
+ *\r
* @{\r
*/\r
\r
extern "C" {\r
#endif\r
\r
+ /* Preprocessor Checks: */\r
+ #if !defined(__INCLUDE_FROM_AUDIO_DRIVER)\r
+ #error Do not include this file directly. Include LUFA/Drivers/Class/Audio.h instead.\r
+ #endif\r
+\r
/* Macros: */\r
#if !defined(AUDIO_TOTAL_SAMPLE_RATES) || defined(__DOXYGEN__)\r
/** Total number of discrete audio sample rates supported by the device. This value can be overridden by defining this\r
\r
/** Supported feature mask for an Audio class feature unit descriptor. See the Audio class specification for more details. */\r
#define FEATURE_BASS_BOOST (1 << 8)\r
-
+\r
/** Supported feature mask for an Audio class feature unit descriptor. See the Audio class specification for more details. */\r
#define FEATURE_BASS_LOUDNESS (1 << 9)\r
\r
#define EP_ACCEPTS_SMALL_PACKETS (0 << 7)\r
\r
/* Type Defines: */\r
- /** Type define for an Audio class specific interface descriptor. This follows a regular interface descriptor to\r
+ /** \brief Audio Class Specific Interface Descriptor.\r
+ *\r
+ * Type define for an Audio class specific interface descriptor. This follows a regular interface descriptor to\r
* supply extra information about the audio device's layout to the host. See the USB Audio specification for more\r
* details.\r
*/\r
uint8_t InterfaceNumbers[1]; /**< Interface numbers of each audio interface */\r
} USB_Audio_Interface_AC_t;\r
\r
- /** Type define for an Audio class specific Feature Unit descriptor. This indicates to the host what features\r
+ /** \brief Audio Class Specific Feature Unit Descriptor.\r
+ *\r
+ * Type define for an Audio class specific Feature Unit descriptor. This indicates to the host what features\r
* are present in the device's audio stream for basic control, such as per-channel volume. See the USB Audio\r
* specification for more details.\r
*/\r
uint8_t FeatureUnitStrIndex; /**< Index of a string descriptor describing this descriptor within the device */\r
} USB_Audio_FeatureUnit_t;\r
\r
- /** Type define for an Audio class specific input terminal descriptor. This indicates to the host that the device\r
+ /** \brief Audio Class Specific Input Terminal Descriptor.\r
+ *\r
+ * Type define for an Audio class specific input terminal descriptor. This indicates to the host that the device\r
* contains an input audio source, either from a physical terminal on the device, or a logical terminal (for example,\r
* a USB endpoint). See the USB Audio specification for more details.\r
*/\r
uint8_t TerminalStrIndex; /**< Index of a string descriptor describing this descriptor within the device */\r
} USB_Audio_InputTerminal_t;\r
\r
- /** Type define for an Audio class specific output terminal descriptor. This indicates to the host that the device\r
+ /** \brief Audio Class Specific Output Terminal Descriptor.\r
+ *\r
+ * Type define for an Audio class specific output terminal descriptor. This indicates to the host that the device\r
* contains an output audio sink, either to a physical terminal on the device, or a logical terminal (for example,\r
* a USB endpoint). See the USB Audio specification for more details.\r
*/\r
uint8_t TerminalStrIndex; /**< Index of a string descriptor describing this descriptor within the device */\r
} USB_Audio_OutputTerminal_t;\r
\r
- /** Type define for an Audio class specific streaming interface descriptor. This indicates to the host\r
+ /** \brief Audio Class Specific Streaming Audio Interface Descriptor.\r
+ *\r
+ * Type define for an Audio class specific streaming interface descriptor. This indicates to the host\r
* how audio streams within the device are formatted. See the USB Audio specification for more details.\r
*/\r
typedef struct\r
uint16_t AudioFormat; /**< Format of the audio stream, see Audio Device Formats specification */\r
} USB_Audio_Interface_AS_t;\r
\r
- /** Type define for a 24bit audio sample frequency structure. GCC does not contain a built in 24bit datatype,\r
+ /** \brief 24-Bit Audio Frequency Structure.\r
+ *\r
+ * Type define for a 24bit audio sample frequency structure. GCC does not contain a built in 24bit datatype,\r
* this this structure is used to build up the value instead. Fill this structure with the SAMPLE_FREQ() macro.\r
*/\r
typedef struct\r
uint8_t HighByte; /**< Upper 8 bits of the 24-bit value */\r
} USB_Audio_SampleFreq_t;\r
\r
- /** Type define for an Audio class specific audio format descriptor. This is used to give the host full details\r
+ /** \brief Audio Class Specific Format Descriptor.\r
+ *\r
+ * Type define for an Audio class specific audio format descriptor. This is used to give the host full details\r
* about the number of channels, the sample resolution, acceptable sample frequencies and encoding method used\r
* in the device's audio streams. See the USB Audio specification for more details.\r
*/\r
USB_Audio_SampleFreq_t SampleFrequencies[AUDIO_TOTAL_SAMPLE_RATES]; /**< Sample frequencies supported by the device */\r
} USB_Audio_Format_t;\r
\r
- /** Type define for an Audio class specific endpoint descriptor. This contains a regular endpoint \r
+ /** \brief Audio Class Specific Streaming Endpoint Descriptor.\r
+ *\r
+ * Type define for an Audio class specific endpoint descriptor. This contains a regular endpoint \r
* descriptor with a few Audio-class specific extensions. See the USB Audio specification for more details.\r
*/\r
typedef struct\r
USB_Descriptor_Endpoint_t Endpoint; /**< Standard endpoint descriptor describing the audio endpoint */\r
\r
uint8_t Refresh; /**< Always set to zero */\r
- uint8_t SyncEndpointNumber; /**< Endpoint address to send synchronisation information to, if needed (zero otherwise) */\r
+ uint8_t SyncEndpointNumber; /**< Endpoint address to send synchronization information to, if needed (zero otherwise) */\r
} USB_Audio_StreamEndpoint_Std_t;\r
\r
- /** Type define for an Audio class specific extended endpoint descriptor. This contains extra information\r
+ /** \brief Audio Class Specific Extended Endpoint Descriptor.\r
+ *\r
+ * Type define for an Audio class specific extended endpoint descriptor. This contains extra information\r
* on the usage of endpoints used to stream audio in and out of the USB Audio device, and follows an Audio\r
* class specific extended endpoint descriptor. See the USB Audio specification for more details.\r
*/\r