582 lines
16 KiB
C
582 lines
16 KiB
C
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/**
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******************************************************************************
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* @file usbh_audio.h
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* @author MCD Application Team
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* @version V3.0.0
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* @date 18-February-2014
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* @brief This file contains all the prototypes for the usbh_audio.c
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******************************************************************************
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* @attention
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*
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* <h2><center>© COPYRIGHT 2014 STMicroelectronics</center></h2>
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*
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* Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
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* You may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.st.com/software_license_agreement_liberty_v2
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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******************************************************************************
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*/
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/* Define to prevent recursive ----------------------------------------------*/
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#ifndef __USBH_AUDIO_H
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#define __USBH_AUDIO_H
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/* Includes ------------------------------------------------------------------*/
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#include "usbh_core.h"
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/** @addtogroup USBH_LIB
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* @{
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*/
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/** @addtogroup USBH_CLASS
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* @{
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*/
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/** @addtogroup USBH_AUDIO_CLASS
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* @{
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*/
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/** @defgroup USBH_AUDIO_CORE
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* @brief This file is the Header file for usbh_audio.c
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* @{
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*/
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/** @defgroup USBH_AUDIO_CORE_Exported_Types
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* @{
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*/
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/* States for AUDIO State Machine */
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typedef enum
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{
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AUDIO_INIT = 0,
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AUDIO_IDLE,
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AUDIO_CS_REQUESTS,
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AUDIO_SET_DEFAULT_FEATURE_UNIT,
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AUDIO_SET_INTERFACE,
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AUDIO_SET_STREAMING_INTERFACE,
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AUDIO_SET_CUR1,
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AUDIO_GET_MIN,
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AUDIO_GET_MAX,
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AUDIO_GET_RES,
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AUDIO_GET_CUR1,
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AUDIO_SET_CUR2,
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AUDIO_GET_CUR2,
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AUDIO_SET_CUR3,
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AUDIO_SET_INTERFACE0,
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AUDIO_SET_INTERFACE1,
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AUDIO_SET_INTERFACE2,
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AUDIO_ISOC_OUT,
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AUDIO_ISOC_IN,
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AUDIO_ISOC_POLL,
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AUDIO_ERROR,
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}
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AUDIO_StateTypeDef;
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typedef enum
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{
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AUDIO_REQ_INIT = 1,
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AUDIO_REQ_IDLE,
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AUDIO_REQ_SET_DEFAULT_IN_INTERFACE,
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AUDIO_REQ_SET_DEFAULT_OUT_INTERFACE,
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AUDIO_REQ_SET_IN_INTERFACE,
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AUDIO_REQ_SET_OUT_INTERFACE,
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AUDIO_REQ_CS_REQUESTS,
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}
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AUDIO_ReqStateTypeDef;
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typedef enum
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{
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AUDIO_REQ_SET_VOLUME = 1,
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AUDIO_REQ_SET_MUTE,
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AUDIO_REQ_GET_CURR_VOLUME,
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AUDIO_REQ_GET_MIN_VOLUME,
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AUDIO_REQ_GET_MAX_VOLUME,
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AUDIO_REQ_GET_VOLUME,
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AUDIO_REQ_GET_RESOLUTION,
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AUDIO_REQ_CS_IDLE,
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}
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AUDIO_CSReqStateTypeDef;
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typedef enum
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{
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AUDIO_PLAYBACK_INIT = 1,
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AUDIO_PLAYBACK_SET_EP,
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AUDIO_PLAYBACK_SET_EP_FREQ,
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AUDIO_PLAYBACK_PLAY,
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AUDIO_PLAYBACK_IDLE,
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}
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AUDIO_PlayStateTypeDef;
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typedef enum
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{
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VOLUME_UP = 1,
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VOLUME_DOWN = 2,
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}
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AUDIO_VolumeCtrlTypeDef;
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typedef enum
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{
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AUDIO_CONTROL_INIT = 1,
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AUDIO_CONTROL_CHANGE,
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AUDIO_CONTROL_IDLE,
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AUDIO_CONTROL_VOLUME_UP,
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AUDIO_CONTROL_VOLUME_DOWN,
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}
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AUDIO_ControlStateTypeDef;
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typedef enum
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{
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AUDIO_DATA_START_OUT = 1,
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AUDIO_DATA_OUT,
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}
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AUDIO_ProcessingTypeDef;
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/* Structure for AUDIO process */
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typedef struct
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{
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uint8_t Channels;
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uint8_t Bits;
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uint32_t SampleRate;
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}
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AUDIO_FormatTypeDef;
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typedef struct
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{
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uint8_t Ep;
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uint16_t EpSize;
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uint8_t AltSettings;
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uint8_t interface;
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uint8_t valid;
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uint16_t Poll;
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}
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AUDIO_STREAMING_IN_HandleTypeDef;
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typedef struct
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{
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uint8_t Ep;
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uint16_t EpSize;
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uint8_t AltSettings;
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uint8_t interface;
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uint8_t valid;
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uint16_t Poll;
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}
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AUDIO_STREAMING_OUT_HandleTypeDef;
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typedef struct
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{
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uint8_t mute;
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uint32_t volumeMin;
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uint32_t volumeMax;
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uint32_t volume;
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uint32_t resolution;
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}
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AUDIO_ControlAttributeTypeDef;
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typedef struct
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{
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uint8_t Ep;
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uint16_t EpSize;
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uint8_t interface;
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uint8_t AltSettings;
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uint8_t supported;
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uint8_t Pipe;
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uint8_t Poll;
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uint32_t timer ;
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uint8_t asociated_as;
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uint8_t asociated_mixer;
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uint8_t asociated_selector;
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uint8_t asociated_feature;
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uint8_t asociated_terminal;
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uint8_t asociated_channels;
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uint32_t frequency;
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uint8_t *buf;
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uint8_t *cbuf;
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uint32_t partial_ptr;
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uint32_t global_ptr;
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uint16_t frame_length;
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uint32_t total_length;
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AUDIO_ControlAttributeTypeDef attribute;
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}
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AUDIO_InterfaceStreamPropTypeDef;
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typedef struct
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{
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uint8_t Ep;
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uint16_t EpSize;
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uint8_t interface;
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uint8_t supported;
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uint8_t Pipe;
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uint8_t Poll;
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uint32_t timer ;
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}
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AUDIO_InterfaceControlPropTypeDef;
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#define AUDIO_MAX_AUDIO_STD_INTERFACE 0x05
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#define AUDIO_MAX_FREQ_SUPPORTED 0x05
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#define AUDIO_MAX_STREAMING_INTERFACE 0x05
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#define AUDIO_MAX_NUM_IN_TERMINAL 0x04
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#define AUDIO_MAX_NUM_OUT_TERMINAL 0x04
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#define AUDIO_MAX_NUM_FEATURE_UNIT 0x04
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#define AUDIO_MAX_NUM_MIXER_UNIT 0x04
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#define AUDIO_MAX_NUM_SELECTOR_UNIT 0x04
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#define HEADPHONE_SUPPORTED 0x01
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#define MICROPHONE_SUPPORTED 0x02
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#define HEADSET_SUPPORTED 0x03
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/*Class-Specific AS(Audio Streaming) Interface Descriptor*/
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typedef struct
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{
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uint8_t bLength;
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uint8_t bDescriptorType;
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uint8_t bDescriptorSubtype;
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uint8_t bTerminalLink;
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uint8_t bDelay;
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uint8_t wFormatTag[2];
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}
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AUDIO_ASGeneralDescTypeDef;
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/*Class-Specific AS(Audio Streaming) Format Type Descriptor*/
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typedef struct
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{
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uint8_t bLength; /*At to be deside*/
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uint8_t bDescriptorType;
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uint8_t bDescriptorSubtype;
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uint8_t bFormatType;
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uint8_t bNrChannels;
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uint8_t bSubframeSize;
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uint8_t bBitResolution;
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uint8_t bSamFreqType;
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uint8_t tSamFreq[][3];
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}
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AUDIO_ASFormatTypeDescTypeDef;
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/*Class-Specific AS(Audio Streaming) Interface Descriptor*/
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typedef struct
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{
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AUDIO_ASGeneralDescTypeDef *GeneralDesc;
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AUDIO_ASFormatTypeDescTypeDef *FormatTypeDesc;
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}
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AUDIO_ASDescTypeDef;
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/* 4.3.2 Class-Specific AC Interface Descriptor */
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typedef struct
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{
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uint8_t bLength;
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uint8_t bDescriptorType;
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uint8_t bDescriptorSubtype;
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uint8_t bcdADC[2];
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uint8_t wTotalLength[2];
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uint8_t bInCollection;
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uint8_t baInterfaceNr[];
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}
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AUDIO_HeaderDescTypeDef;
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/* 4.3.2.1 Input Terminal Descriptor */
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typedef struct
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{
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uint8_t bLength;
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uint8_t bDescriptorType;
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uint8_t bDescriptorSubtype;
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uint8_t bTerminalID;
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uint8_t wTerminalType[2];
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uint8_t bAssocTerminal;
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uint8_t bNrChannels;
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uint8_t wChannelConfig[2];
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uint8_t iChannelNames;
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uint8_t iTerminal;
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}
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AUDIO_ITDescTypeDef;
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/* 4.3.2.2 Output Terminal Descriptor */
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typedef struct
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{
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uint8_t bLength;
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uint8_t bDescriptorType;
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uint8_t bDescriptorSubtype;
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uint8_t bTerminalID;
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uint8_t wTerminalType[2];
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uint8_t bAssocTerminal;
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uint8_t bSourceID;
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uint8_t iTerminal;
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}
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AUDIO_OTDescTypeDef;
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/* 4.3.2.3 Feature Descriptor */
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typedef struct
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{
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uint8_t bLength;
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uint8_t bDescriptorType;
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uint8_t bDescriptorSubtype;
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uint8_t bUnitID;
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uint8_t bSourceID;
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uint8_t bControlSize;
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uint8_t bmaControls[][2];
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}
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AUDIO_FeatureDescTypeDef;
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/* 4.3.2.3 Feature Descriptor */
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typedef struct
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{
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uint8_t bLength;
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uint8_t bDescriptorType;
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uint8_t bDescriptorSubtype;
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uint8_t bUnitID;
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uint8_t bNrInPins;
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uint8_t bSourceID0;
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uint8_t bSourceID1;
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uint8_t bNrChannels;
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uint8_t bmChannelsConfig[2];
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uint8_t iChannelsNames;
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uint8_t bmaControls;
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uint8_t iMixer;
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}
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AUDIO_MixerDescTypeDef;
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/* 4.3.2.3 Feature Descriptor */
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typedef struct
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{
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uint8_t bLength;
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uint8_t bDescriptorType;
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|
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uint8_t bDescriptorSubtype;
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uint8_t bUnitID;
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uint8_t bNrInPins;
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uint8_t bSourceID0;
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uint8_t iSelector;
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}
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||
|
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AUDIO_SelectorDescTypeDef;
|
||
|
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|
||
|
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/*Class-Specific AC(Audio Control) Interface Descriptor*/
|
||
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typedef struct
|
||
|
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{
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AUDIO_HeaderDescTypeDef *HeaderDesc;
|
||
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AUDIO_ITDescTypeDef *InputTerminalDesc [AUDIO_MAX_NUM_IN_TERMINAL];
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||
|
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AUDIO_OTDescTypeDef *OutputTerminalDesc[AUDIO_MAX_NUM_OUT_TERMINAL];
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||
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AUDIO_FeatureDescTypeDef *FeatureUnitDesc [AUDIO_MAX_NUM_FEATURE_UNIT];
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||
|
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AUDIO_MixerDescTypeDef *MixerUnitDesc [AUDIO_MAX_NUM_MIXER_UNIT];
|
||
|
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AUDIO_SelectorDescTypeDef *SelectorUnitDesc [AUDIO_MAX_NUM_SELECTOR_UNIT];
|
||
|
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}
|
||
|
|
AUDIO_ACDescTypeDef;
|
||
|
|
|
||
|
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/*Class-Specific AC : Global descriptor*/
|
||
|
|
|
||
|
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typedef struct
|
||
|
|
{
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||
|
|
AUDIO_ACDescTypeDef cs_desc; /* Only one control descriptor*/
|
||
|
|
AUDIO_ASDescTypeDef as_desc[AUDIO_MAX_STREAMING_INTERFACE];
|
||
|
|
|
||
|
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uint16_t ASNum;
|
||
|
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uint16_t InputTerminalNum;
|
||
|
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uint16_t OutputTerminalNum;
|
||
|
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uint16_t FeatureUnitNum;
|
||
|
|
uint16_t SelectorUnitNum;
|
||
|
|
uint16_t MixerUnitNum;
|
||
|
|
}
|
||
|
|
AUDIO_ClassSpecificDescTypedef;
|
||
|
|
|
||
|
|
|
||
|
|
typedef struct _AUDIO_Process
|
||
|
|
{
|
||
|
|
AUDIO_ReqStateTypeDef req_state;
|
||
|
|
AUDIO_CSReqStateTypeDef cs_req_state;
|
||
|
|
AUDIO_PlayStateTypeDef play_state;
|
||
|
|
AUDIO_ControlStateTypeDef control_state;
|
||
|
|
AUDIO_ProcessingTypeDef processing_state;
|
||
|
|
|
||
|
|
AUDIO_STREAMING_IN_HandleTypeDef stream_in[AUDIO_MAX_AUDIO_STD_INTERFACE];
|
||
|
|
AUDIO_STREAMING_OUT_HandleTypeDef stream_out[AUDIO_MAX_AUDIO_STD_INTERFACE];
|
||
|
|
AUDIO_ClassSpecificDescTypedef class_desc;
|
||
|
|
|
||
|
|
AUDIO_InterfaceStreamPropTypeDef headphone;
|
||
|
|
AUDIO_InterfaceStreamPropTypeDef microphone;
|
||
|
|
AUDIO_InterfaceControlPropTypeDef control;
|
||
|
|
uint16_t mem [8];
|
||
|
|
uint8_t temp_feature;
|
||
|
|
uint8_t temp_channels;
|
||
|
|
}
|
||
|
|
AUDIO_HandleTypeDef;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/** @defgroup USBH_AUDIO_CORE_Exported_Defines
|
||
|
|
* @{
|
||
|
|
*/
|
||
|
|
|
||
|
|
|
||
|
|
/*Audio Interface Subclass Codes*/
|
||
|
|
#define AC_CLASS 0x01
|
||
|
|
|
||
|
|
/* A.2 Audio Interface Subclass Codes */
|
||
|
|
#define USB_SUBCLASS_AUDIOCONTROL 0x01
|
||
|
|
#define USB_SUBCLASS_AUDIOSTREAMING 0x02
|
||
|
|
#define USB_SUBCLASS_MIDISTREAMING 0x03
|
||
|
|
|
||
|
|
#define USB_DESC_TYPE_CS_INTERFACE 0x24
|
||
|
|
#define USB_DESC_TYPE_CS_ENDPOINT 0x25
|
||
|
|
|
||
|
|
/* A.5 Audio Class-Specific AC Interface Descriptor Subtypes */
|
||
|
|
#define UAC_HEADER 0x01
|
||
|
|
#define UAC_INPUT_TERMINAL 0x02
|
||
|
|
#define UAC_OUTPUT_TERMINAL 0x03
|
||
|
|
#define UAC_MIXER_UNIT 0x04
|
||
|
|
#define UAC_SELECTOR_UNIT 0x05
|
||
|
|
#define UAC_FEATURE_UNIT 0x06
|
||
|
|
#define UAC_PROCESSING_UNIT 0x07
|
||
|
|
#define UAC_EXTENSION_UNIT 0x08
|
||
|
|
|
||
|
|
/*Audio Class-Specific Endpoint Descriptor Subtypes*/
|
||
|
|
#define EP_CONTROL_UNDEFINED 0x00
|
||
|
|
#define SAMPLING_FREQ_CONTROL 0x01
|
||
|
|
#define PITCH_CONTROL 0x02
|
||
|
|
|
||
|
|
/*Feature unit control selector*/
|
||
|
|
#define FU_CONTROL_UNDEFINED 0x00
|
||
|
|
#define MUTE_CONTROL 0x01
|
||
|
|
#define VOLUME_CONTROL 0x02
|
||
|
|
#define BASS_CONTROL 0x03
|
||
|
|
#define MID_CONTROL 0x04
|
||
|
|
#define TREBLE_CONTROL 0x05
|
||
|
|
#define GRAPHIC_EQUALIZER_CONTROL 0x06
|
||
|
|
#define AUTOMATIC_GAIN_CONTROL 0x07
|
||
|
|
#define DELAY_CONTROL 0x08
|
||
|
|
#define BASS_BOOST_CONTROL 0x09
|
||
|
|
#define LOUDNESS_CONTROL 0x0A
|
||
|
|
|
||
|
|
/*Terminal control selector*/
|
||
|
|
#define TE_CONTROL_UNDEFINED 0x00
|
||
|
|
#define COPY_PROTECT_CONTROL 0x01
|
||
|
|
|
||
|
|
|
||
|
|
/* A.6 Audio Class-Specific AS Interface Descriptor Subtypes */
|
||
|
|
#define UAC_AS_GENERAL 0x01
|
||
|
|
#define UAC_FORMAT_TYPE 0x02
|
||
|
|
#define UAC_FORMAT_SPECIFIC 0x03
|
||
|
|
|
||
|
|
/* A.8 Audio Class-Specific Endpoint Descriptor Subtypes */
|
||
|
|
#define UAC_EP_GENERAL 0x01
|
||
|
|
|
||
|
|
/* A.9 Audio Class-Specific Request Codes */
|
||
|
|
#define UAC_SET_ 0x00
|
||
|
|
#define UAC_GET_ 0x80
|
||
|
|
|
||
|
|
#define UAC__CUR 0x1
|
||
|
|
#define UAC__MIN 0x2
|
||
|
|
#define UAC__MAX 0x3
|
||
|
|
#define UAC__RES 0x4
|
||
|
|
#define UAC__MEM 0x5
|
||
|
|
|
||
|
|
#define UAC_SET_CUR (UAC_SET_ | UAC__CUR)
|
||
|
|
#define UAC_GET_CUR (UAC_GET_ | UAC__CUR)
|
||
|
|
#define UAC_SET_MIN (UAC_SET_ | UAC__MIN)
|
||
|
|
#define UAC_GET_MIN (UAC_GET_ | UAC__MIN)
|
||
|
|
#define UAC_SET_MAX (UAC_SET_ | UAC__MAX)
|
||
|
|
#define UAC_GET_MAX (UAC_GET_ | UAC__MAX)
|
||
|
|
#define UAC_SET_RES (UAC_SET_ | UAC__RES)
|
||
|
|
#define UAC_GET_RES (UAC_GET_ | UAC__RES)
|
||
|
|
#define UAC_SET_MEM (UAC_SET_ | UAC__MEM)
|
||
|
|
#define UAC_GET_MEM (UAC_GET_ | UAC__MEM)
|
||
|
|
|
||
|
|
#define UAC_GET_STAT 0xff
|
||
|
|
|
||
|
|
/* MIDI - A.1 MS Class-Specific Interface Descriptor Subtypes */
|
||
|
|
#define UAC_MS_HEADER 0x01
|
||
|
|
#define UAC_MIDI_IN_JACK 0x02
|
||
|
|
#define UAC_MIDI_OUT_JACK 0x03
|
||
|
|
|
||
|
|
/* MIDI - A.1 MS Class-Specific Endpoint Descriptor Subtypes */
|
||
|
|
#define UAC_MS_GENERAL 0x01
|
||
|
|
|
||
|
|
/* Terminals - 2.1 USB Terminal Types */
|
||
|
|
#define UAC_TERMINAL_UNDEFINED 0x100
|
||
|
|
#define UAC_TERMINAL_STREAMING 0x101
|
||
|
|
#define UAC_TERMINAL_VENDOR_SPEC 0x1FF
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/** @defgroup USBH_AUDIO_CORE_Exported_Macros
|
||
|
|
* @{
|
||
|
|
*/
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/** @defgroup USBH_AUDIO_CORE_Exported_Variables
|
||
|
|
* @{
|
||
|
|
*/
|
||
|
|
extern USBH_ClassTypeDef AUDIO_Class;
|
||
|
|
#define USBH_AUDIO_CLASS &AUDIO_Class
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/** @defgroup USBH_AUDIO_CORE_Exported_FunctionsPrototype
|
||
|
|
* @{
|
||
|
|
*/
|
||
|
|
USBH_StatusTypeDef USBH_AUDIO_SetFrequency (USBH_HandleTypeDef *phost,
|
||
|
|
uint16_t sample_rate,
|
||
|
|
uint8_t channel_num,
|
||
|
|
uint8_t data_width);
|
||
|
|
|
||
|
|
USBH_StatusTypeDef USBH_AUDIO_Play (USBH_HandleTypeDef *phost, uint8_t *buf, uint32_t length);
|
||
|
|
USBH_StatusTypeDef USBH_AUDIO_Stop (USBH_HandleTypeDef *phost);
|
||
|
|
USBH_StatusTypeDef USBH_AUDIO_Suspend (USBH_HandleTypeDef *phost);
|
||
|
|
USBH_StatusTypeDef USBH_AUDIO_Resume (USBH_HandleTypeDef *phost);
|
||
|
|
USBH_StatusTypeDef USBH_AUDIO_SetVolume (USBH_HandleTypeDef *phost, AUDIO_VolumeCtrlTypeDef volume_ctl);
|
||
|
|
USBH_StatusTypeDef USBH_AUDIO_ChangeOutBuffer (USBH_HandleTypeDef *phost, uint8_t *buf);
|
||
|
|
int32_t USBH_AUDIO_GetOutOffset (USBH_HandleTypeDef *phost);
|
||
|
|
|
||
|
|
void USBH_AUDIO_FrequencySet(USBH_HandleTypeDef *phost);
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
|
||
|
|
#endif /* __USBH_AUDIO_H */
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|
||
|
|
|