#define AUDIO_SAMPLE_FREQ | ( | freq | ) | {LowWord: ((uint32_t)freq & 0x00FFFF), HighByte: (((uint32_t)freq >> 16) & 0x0000FF)} |
Convenience macro, to fill a 24-bit AudioSampleFreq_t structure with the given sample rate as a 24-bit number.
[in] | freq | Required audio sampling frequency in HZ |
#define AUDIO_TOTAL_SAMPLE_RATES 1 |
Total number of discrete audio sample rates supported by the device. This value can be overridden by defining this token in the project makefile to the desired value, and passing it to the compiler via the -D switch.
#define CHANNEL_CENTER_FRONT (1 << 2) |
Supported channel mask for an Audio class terminal descriptor. See the Audio class specification for more details.
#define CHANNEL_LEFT_FRONT (1 << 0) |
Supported channel mask for an Audio class terminal descriptor. See the Audio class specification for more details.
#define CHANNEL_LEFT_OF_CENTER (1 << 6) |
Supported channel mask for an Audio class terminal descriptor. See the Audio class specification for more details.
#define CHANNEL_LEFT_SURROUND (1 << 4) |
Supported channel mask for an Audio class terminal descriptor. See the Audio class specification for more details.
#define CHANNEL_LOW_FREQ_ENHANCE (1 << 3) |
Supported channel mask for an Audio class terminal descriptor. See the Audio class specification for more details.
#define CHANNEL_RIGHT_FRONT (1 << 1) |
Supported channel mask for an Audio class terminal descriptor. See the Audio class specification for more details.
#define CHANNEL_RIGHT_OF_CENTER (1 << 7) |
Supported channel mask for an Audio class terminal descriptor. See the Audio class specification for more details.
#define CHANNEL_RIGHT_SURROUND (1 << 5) |
Supported channel mask for an Audio class terminal descriptor. See the Audio class specification for more details.
#define CHANNEL_SIDE_LEFT (1 << 9) |
Supported channel mask for an Audio class terminal descriptor. See the Audio class specification for more details.
#define CHANNEL_SIDE_RIGHT (1 << 10) |
Supported channel mask for an Audio class terminal descriptor. See the Audio class specification for more details.
#define CHANNEL_SURROUND (1 << 8) |
Supported channel mask for an Audio class terminal descriptor. See the Audio class specification for more details.
#define CHANNEL_TOP (1 << 11) |
Supported channel mask for an Audio class terminal descriptor. See the Audio class specification for more details.
#define DSUBTYPE_FeatureUnit 0x06 |
Audio class descriptor subtype value for a Feature Unit Audio class specific descriptor.
#define DSUBTYPE_Format 0x02 |
Audio class descriptor subtype value for an Audio class specific descriptor indicating the format of an audio stream.
#define DSUBTYPE_General 0x01 |
Audio class descriptor subtype value for a general Audio class specific descriptor.
#define DSUBTYPE_Header 0x01 |
Audio class descriptor subtype value for a Audio class specific header descriptor.
#define DSUBTYPE_InputTerminal 0x02 |
Audio class descriptor subtype value for an Output Terminal Audio class specific descriptor.
#define DSUBTYPE_OutputTerminal 0x03 |
Audio class descriptor subtype value for an Input Terminal Audio class specific descriptor.
#define DTYPE_AudioEndpoint 0x25 |
Descriptor header constant to indicate a Audio class endpoint descriptor.
#define DTYPE_AudioInterface 0x24 |
Descriptor header constant to indicate a Audio class interface descriptor.
#define EP_ACCEPTS_ONLY_FULL_PACKETS (1 << 7) |
Mask for the attributes parameter of an Audio class specific Endpoint descriptor, indicating that the endpoint accepts only filled endpoint packets of audio samples.
#define EP_ACCEPTS_SMALL_PACKETS (0 << 7) |
Mask for the attributes parameter of an Audio class specific Endpoint descriptor, indicating that the endpoint will accept partially filled endpoint packets of audio samples.
#define FEATURE_AUTOMATIC_GAIN (1 << 6) |
Supported feature mask for an Audio class feature unit descriptor. See the Audio class specification for more details. Supported feature mask for an Audio class feature unit descriptor. See the Audio class specification for more details.
#define FEATURE_BASS (1 << 2) |
Supported feature mask for an Audio class feature unit descriptor. See the Audio class specification for more details.
#define FEATURE_BASS_BOOST (1 << 8) |
Supported feature mask for an Audio class feature unit descriptor. See the Audio class specification for more details.
#define FEATURE_BASS_LOUDNESS (1 << 9) |
Supported feature mask for an Audio class feature unit descriptor. See the Audio class specification for more details.
#define FEATURE_DELAY (1 << 7) |
Supported feature mask for an Audio class feature unit descriptor. See the Audio class specification for more details.
#define FEATURE_GRAPHIC_EQUALIZER (1 << 5) |
Supported feature mask for an Audio class feature unit descriptor. See the Audio class specification for more details.
#define FEATURE_MID (1 << 3) |
Supported feature mask for an Audio class feature unit descriptor. See the Audio class specification for more details.
#define FEATURE_MUTE (1 << 0) |
Supported feature mask for an Audio class feature unit descriptor. See the Audio class specification for more details.
#define FEATURE_TREBLE (1 << 4) |
Supported feature mask for an Audio class feature unit descriptor. See the Audio class specification for more details.
#define FEATURE_VOLUME (1 << 1) |
Supported feature mask for an Audio class feature unit descriptor. See the Audio class specification for more details.
#define TERMINAL_IN_DESKTOP_MIC 0x0202 |
Terminal type constant for an Audio class terminal descriptor. See the Audio class specification for more details.
#define TERMINAL_IN_MIC 0x0201 |
Terminal type constant for an Audio class terminal descriptor. See the Audio class specification for more details.
#define TERMINAL_IN_MIC_ARRAY 0x0205 |
Terminal type constant for an Audio class terminal descriptor. See the Audio class specification for more details.
#define TERMINAL_IN_OMNIDIR_MIC 0x0204 |
Terminal type constant for an Audio class terminal descriptor. See the Audio class specification for more details.
#define TERMINAL_IN_OUT_UNDEFINED 0x0300 |
Terminal type constant for an Audio class terminal descriptor. See the Audio class specification for more details.
#define TERMINAL_IN_PERSONAL_MIC 0x0203 |
Terminal type constant for an Audio class terminal descriptor. See the Audio class specification for more details.
#define TERMINAL_IN_PROCESSING_MIC 0x0206 |
Terminal type constant for an Audio class terminal descriptor. See the Audio class specification for more details.
#define TERMINAL_IN_UNDEFINED 0x0200 |
Terminal type constant for an Audio class terminal descriptor. See the Audio class specification for more details.
#define TERMINAL_OUT_COMMUNICATION 0x0306 |
Terminal type constant for an Audio class terminal descriptor. See the Audio class specification for more details.
#define TERMINAL_OUT_DESKTOP 0x0304 |
Terminal type constant for an Audio class terminal descriptor. See the Audio class specification for more details.
#define TERMINAL_OUT_HEAD_MOUNTED 0x0303 |
Terminal type constant for an Audio class terminal descriptor. See the Audio class specification for more details.
#define TERMINAL_OUT_HEADPHONES 0x0302 |
Terminal type constant for an Audio class terminal descriptor. See the Audio class specification for more details.
#define TERMINAL_OUT_LOWFREQ 0x0307 |
Terminal type constant for an Audio class terminal descriptor. See the Audio class specification for more details.
#define TERMINAL_OUT_ROOM 0x0305 |
Terminal type constant for an Audio class terminal descriptor. See the Audio class specification for more details.
#define TERMINAL_OUT_SPEAKER 0x0301 |
Terminal type constant for an Audio class terminal descriptor. See the Audio class specification for more details.
#define TERMINAL_STREAMING 0x0101 |
Terminal type constant for an Audio class terminal descriptor. See the Audio class specification for more details.
#define TERMINAL_UNDEFINED 0x0100 |
Terminal type constant for an Audio class terminal descriptor. See the Audio class specification for more details.
#define TERMINAL_VENDOR 0x01FF |
Terminal type constant for an Audio class terminal descriptor. See the Audio class specification for more details.