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