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/**
******************************************************************************
* @file audioplayer_app.h
* @author MCD Application Team
* @brief header of audio player application file
******************************************************************************
* @attention
*
* Copyright (c) 2017 STMicroelectronics.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __AUDIOPLAYER_APP_H
#define __AUDIOPLAYER_APP_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "main.h"
/* Exported constants --------------------------------------------------------*/
#define MUTE_OFF 0x00
#define MUTE_ON 0x01
#define PLAY_ACTIVE 0x00
#define PAUSE_ACTIVE 0x01
#define AUDIO_BUFFER_SIZE (1024 * 8)
/* Exported types ------------------------------------------------------------*/
typedef enum
{
AUDIOPLAYER_STOP = 0,
AUDIOPLAYER_START,
AUDIOPLAYER_PLAY,
AUDIOPLAYER_PAUSE,
AUDIOPLAYER_EOF,
AUDIOPLAYER_ERROR,
}AUDIOPLAYER_StateTypdef;
typedef enum
{
BUFFER_OFFSET_NONE = 0,
BUFFER_OFFSET_HALF,
BUFFER_OFFSET_FULL,
}
BUFFER_StateTypeDef;
typedef enum
{
AUDIOPLAYER_ERROR_NONE = 0,
AUDIOPLAYER_ERROR_IO,
AUDIOPLAYER_ERROR_HW,
AUDIOPLAYER_ERROR_MEM,
AUDIOPLAYER_ERROR_FORMAT_NOTSUPPORTED,
}AUDIOPLAYER_ErrorTypdef;
typedef struct
{
uint8_t buffer[AUDIO_BUFFER_SIZE];
uint32_t volume;
uint32_t mute;
AUDIOPLAYER_StateTypdef state;
}AUDIOPLAYER_ProcessTypdef ;
typedef struct
{
uint32_t ChunkID; /* 0 */
uint32_t FileSize; /* 4 */
uint32_t FileFormat; /* 8 */
uint32_t SubChunk1ID; /* 12 */
uint32_t SubChunk1Size; /* 16*/
uint16_t AudioFormat; /* 20 */
uint16_t NbrChannels; /* 22 */
uint32_t SampleRate; /* 24 */
uint32_t ByteRate; /* 28 */
uint16_t BlockAlign; /* 32 */
uint16_t BitPerSample; /* 34 */
uint32_t SubChunk2ID; /* 36 */
uint32_t SubChunk2Size; /* 40 */
}WAV_InfoTypedef ;
/* Exported macros -----------------------------------------------------------*/
/* Exported functions ------------------------------------------------------- */
AUDIOPLAYER_ErrorTypdef AUDIOPLAYER_Init(void);
AUDIOPLAYER_ErrorTypdef AUDIOPLAYER_Play(uint32_t frequency);
AUDIOPLAYER_ErrorTypdef AUDIOPLAYER_Stop(void);
AUDIOPLAYER_ErrorTypdef AUDIOPLAYER_Pause(void);
AUDIOPLAYER_ErrorTypdef AUDIOPLAYER_Resume(void);
AUDIOPLAYER_ErrorTypdef AUDIOPLAYER_Mute(uint8_t state);
AUDIOPLAYER_ErrorTypdef AUDIOPLAYER_GetFileInfo(char* file, WAV_InfoTypedef* info);
AUDIOPLAYER_ErrorTypdef AUDIOPLAYER_SelectFile(char* file);
AUDIOPLAYER_StateTypdef AUDIOPLAYER_GetState(void);
AUDIOPLAYER_ErrorTypdef AUDIOPLAYER_Process(void);
AUDIOPLAYER_ErrorTypdef AUDIOPLAYER_DeInit(void);
uint32_t AUDIOPLAYER_GetProgress (void);
AUDIOPLAYER_ErrorTypdef AUDIOPLAYER_SetVolume(uint32_t volume);
uint32_t AUDIOPLAYER_GetVolume(void);
AUDIOPLAYER_ErrorTypdef AUDIOPLAYER_NotifyEndOfFile(void);
AUDIOPLAYER_ErrorTypdef AUDIOPLAYER_SetPosition(uint32_t position);
#ifdef __cplusplus
}
#endif
#endif /*__AUDIOPLAYER_APP_H */