forked from stm/stm32-mw-usb-device
Release v2.5.1
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slimih
211
Class/AUDIO/Inc/usbd_audio.h
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211
Class/AUDIO/Inc/usbd_audio.h
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/**
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******************************************************************************
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* @file usbd_audio.h
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* @author MCD Application Team
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* @brief header file for the usbd_audio.c file.
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) 2015 STMicroelectronics.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by ST under Ultimate Liberty license
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* SLA0044, the "License"; You may not use this file except in compliance with
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* the License. You may obtain a copy of the License at:
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* http://www.st.com/SLA0044
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*
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******************************************************************************
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*/
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/* Define to prevent recursive inclusion -------------------------------------*/
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#ifndef __USB_AUDIO_H
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#define __USB_AUDIO_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Includes ------------------------------------------------------------------*/
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#include "usbd_ioreq.h"
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/** @addtogroup STM32_USB_DEVICE_LIBRARY
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* @{
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*/
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/** @defgroup USBD_AUDIO
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* @brief This file is the Header file for usbd_audio.c
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* @{
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*/
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/** @defgroup USBD_AUDIO_Exported_Defines
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* @{
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*/
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#ifndef USBD_AUDIO_FREQ
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/* AUDIO Class Config */
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#define USBD_AUDIO_FREQ 48000U
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#endif /* USBD_AUDIO_FREQ */
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#ifndef USBD_MAX_NUM_INTERFACES
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#define USBD_MAX_NUM_INTERFACES 1U
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#endif /* USBD_AUDIO_FREQ */
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#define AUDIO_OUT_EP 0x01U
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#define USB_AUDIO_CONFIG_DESC_SIZ 0x6DU
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#define AUDIO_INTERFACE_DESC_SIZE 0x09U
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#define USB_AUDIO_DESC_SIZ 0x09U
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#define AUDIO_STANDARD_ENDPOINT_DESC_SIZE 0x09U
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#define AUDIO_STREAMING_ENDPOINT_DESC_SIZE 0x07U
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#define AUDIO_DESCRIPTOR_TYPE 0x21U
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#define USB_DEVICE_CLASS_AUDIO 0x01U
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#define AUDIO_SUBCLASS_AUDIOCONTROL 0x01U
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#define AUDIO_SUBCLASS_AUDIOSTREAMING 0x02U
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#define AUDIO_PROTOCOL_UNDEFINED 0x00U
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#define AUDIO_STREAMING_GENERAL 0x01U
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#define AUDIO_STREAMING_FORMAT_TYPE 0x02U
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/* Audio Descriptor Types */
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#define AUDIO_INTERFACE_DESCRIPTOR_TYPE 0x24U
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#define AUDIO_ENDPOINT_DESCRIPTOR_TYPE 0x25U
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/* Audio Control Interface Descriptor Subtypes */
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#define AUDIO_CONTROL_HEADER 0x01U
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#define AUDIO_CONTROL_INPUT_TERMINAL 0x02U
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#define AUDIO_CONTROL_OUTPUT_TERMINAL 0x03U
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#define AUDIO_CONTROL_FEATURE_UNIT 0x06U
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#define AUDIO_INPUT_TERMINAL_DESC_SIZE 0x0CU
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#define AUDIO_OUTPUT_TERMINAL_DESC_SIZE 0x09U
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#define AUDIO_STREAMING_INTERFACE_DESC_SIZE 0x07U
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#define AUDIO_CONTROL_MUTE 0x0001U
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#define AUDIO_FORMAT_TYPE_I 0x01U
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#define AUDIO_FORMAT_TYPE_III 0x03U
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#define AUDIO_ENDPOINT_GENERAL 0x01U
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#define AUDIO_REQ_GET_CUR 0x81U
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#define AUDIO_REQ_SET_CUR 0x01U
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#define AUDIO_OUT_STREAMING_CTRL 0x02U
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#define AUDIO_OUT_PACKET (uint16_t)(((USBD_AUDIO_FREQ * 2U * 2U) / 1000U))
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#define AUDIO_DEFAULT_VOLUME 70U
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/* Number of sub-packets in the audio transfer buffer. You can modify this value but always make sure
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that it is an even number and higher than 3 */
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#define AUDIO_OUT_PACKET_NUM 80U
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/* Total size of the audio transfer buffer */
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#define AUDIO_TOTAL_BUF_SIZE ((uint16_t)(AUDIO_OUT_PACKET * AUDIO_OUT_PACKET_NUM))
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/* Audio Commands enumeration */
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typedef enum
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{
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AUDIO_CMD_START = 1,
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AUDIO_CMD_PLAY,
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AUDIO_CMD_STOP,
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}AUDIO_CMD_TypeDef;
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typedef enum
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{
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AUDIO_OFFSET_NONE = 0,
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AUDIO_OFFSET_HALF,
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AUDIO_OFFSET_FULL,
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AUDIO_OFFSET_UNKNOWN,
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}
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AUDIO_OffsetTypeDef;
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/**
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* @}
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*/
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/** @defgroup USBD_CORE_Exported_TypesDefinitions
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* @{
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*/
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typedef struct
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{
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uint8_t cmd;
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uint8_t data[USB_MAX_EP0_SIZE];
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uint8_t len;
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uint8_t unit;
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}
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USBD_AUDIO_ControlTypeDef;
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typedef struct
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{
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uint32_t alt_setting;
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uint8_t buffer[AUDIO_TOTAL_BUF_SIZE];
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AUDIO_OffsetTypeDef offset;
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uint8_t rd_enable;
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uint16_t rd_ptr;
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uint16_t wr_ptr;
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USBD_AUDIO_ControlTypeDef control;
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}
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USBD_AUDIO_HandleTypeDef;
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typedef struct
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{
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int8_t (*Init) (uint32_t AudioFreq, uint32_t Volume, uint32_t options);
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int8_t (*DeInit) (uint32_t options);
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int8_t (*AudioCmd) (uint8_t* pbuf, uint32_t size, uint8_t cmd);
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int8_t (*VolumeCtl) (uint8_t vol);
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int8_t (*MuteCtl) (uint8_t cmd);
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int8_t (*PeriodicTC) (uint8_t cmd);
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int8_t (*GetState) (void);
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}USBD_AUDIO_ItfTypeDef;
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/**
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* @}
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*/
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/** @defgroup USBD_CORE_Exported_Macros
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* @{
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*/
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/**
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* @}
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*/
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/** @defgroup USBD_CORE_Exported_Variables
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* @{
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*/
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extern USBD_ClassTypeDef USBD_AUDIO;
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#define USBD_AUDIO_CLASS &USBD_AUDIO
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/**
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* @}
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*/
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/** @defgroup USB_CORE_Exported_Functions
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* @{
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*/
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uint8_t USBD_AUDIO_RegisterInterface (USBD_HandleTypeDef *pdev,
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USBD_AUDIO_ItfTypeDef *fops);
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void USBD_AUDIO_Sync (USBD_HandleTypeDef *pdev, AUDIO_OffsetTypeDef offset);
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/**
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* @}
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*/
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#ifdef __cplusplus
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}
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#endif
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#endif /* __USB_AUDIO_H */
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/**
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* @}
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*/
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/**
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* @}
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*/
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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45
Class/AUDIO/Inc/usbd_audio_if_template.h
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45
Class/AUDIO/Inc/usbd_audio_if_template.h
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@@ -0,0 +1,45 @@
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/**
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******************************************************************************
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* @file usbd_audio_if_template.h
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* @author MCD Application Team
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* @brief Header for usbd_audio_if_template.c file.
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) 2015 STMicroelectronics.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by ST under Ultimate Liberty license
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* SLA0044, the "License"; You may not use this file except in compliance with
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* the License. You may obtain a copy of the License at:
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* http://www.st.com/SLA0044
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*
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******************************************************************************
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*/
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/* Define to prevent recursive inclusion -------------------------------------*/
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#ifndef __USBD_AUDIO_IF_TEMPLATE_H
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#define __USBD_AUDIO_IF_TEMPLATE_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Includes ------------------------------------------------------------------*/
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#include "usbd_audio.h"
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/* Exported types ------------------------------------------------------------*/
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/* Exported constants --------------------------------------------------------*/
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extern USBD_AUDIO_ItfTypeDef USBD_AUDIO_Template_fops;
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/* Exported macro ------------------------------------------------------------*/
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/* Exported functions ------------------------------------------------------- */
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#ifdef __cplusplus
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}
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#endif
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#endif /* __USBD_AUDIO_IF_TEMPLATE_H */
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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