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98 lines
3.4 KiB
98 lines
3.4 KiB
/* Copyright (c) 2010-2011 mbed.org, MIT License
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
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* and associated documentation files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all copies or
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* substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
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* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef USBAUDIO_TYPES_H
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#define USBAUDIO_TYPES_H
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#define DEFAULT_CONFIGURATION (1)
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// Audio Request Codes
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#define REQUEST_SET_CUR 0x01
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#define REQUEST_GET_CUR 0x81
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#define REQUEST_SET_MIN 0x02
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#define REQUEST_GET_MIN 0x82
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#define REQUEST_SET_MAX 0x03
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#define REQUEST_GET_MAX 0x83
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#define REQUEST_SET_RES 0x04
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#define REQUEST_GET_RES 0x84
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#define MUTE_CONTROL 0x01
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#define VOLUME_CONTROL 0x02
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// Audio Descriptor Sizes
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#define CONTROL_INTERFACE_DESCRIPTOR_LENGTH 0x09
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#define STREAMING_INTERFACE_DESCRIPTOR_LENGTH 0x07
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#define INPUT_TERMINAL_DESCRIPTOR_LENGTH 0x0C
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#define OUTPUT_TERMINAL_DESCRIPTOR_LENGTH 0x09
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#define FEATURE_UNIT_DESCRIPTOR_LENGTH 0x09
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#define STREAMING_ENDPOINT_DESCRIPTOR_LENGTH 0x07
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// Audio Format Type Descriptor Sizes
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#define FORMAT_TYPE_I_DESCRIPTOR_LENGTH 0x0b
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#define AUDIO_CLASS 0x01
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#define SUBCLASS_AUDIOCONTROL 0x01
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#define SUBCLASS_AUDIOSTREAMING 0x02
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// Audio Descriptor Types
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#define INTERFACE_DESCRIPTOR_TYPE 0x24
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#define ENDPOINT_DESCRIPTOR_TYPE 0x25
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// Audio Control Interface Descriptor Subtypes
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#define CONTROL_HEADER 0x01
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#define CONTROL_INPUT_TERMINAL 0x02
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#define CONTROL_OUTPUT_TERMINAL 0x03
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#define CONTROL_FEATURE_UNIT 0x06
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// USB Terminal Types
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#define TERMINAL_USB_STREAMING 0x0101
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// Predefined Audio Channel Configuration Bits
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// Mono
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#define CHANNEL_M 0x0000
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#define CHANNEL_L 0x0001 /* Left Front */
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#define CHANNEL_R 0x0002 /* Right Front */
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// Feature Unit Control Bits
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#define CONTROL_MUTE 0x0001
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#define CONTROL_VOLUME 0x0002
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// Input Terminal Types
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#define TERMINAL_MICROPHONE 0x0201
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// Output Terminal Types
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#define TERMINAL_SPEAKER 0x0301
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#define TERMINAL_HEADPHONES 0x0302
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// Audio Streaming Interface Descriptor Subtypes
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#define STREAMING_GENERAL 0x01
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#define STREAMING_FORMAT_TYPE 0x02
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// Audio Data Format Type I Codes
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#define FORMAT_PCM 0x0001
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// Audio Format Types
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#define FORMAT_TYPE_I 0x01
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// Audio Endpoint Descriptor Subtypes
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#define ENDPOINT_GENERAL 0x01
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#endif
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