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/**
******************************************************************************
* @file Audio/Audio_playback_and_record/Inc/main.h
* @author MCD Application Team
* @brief Header for main.c module
******************************************************************************
* @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 __MAIN_H
#define __MAIN_H
/* Includes ------------------------------------------------------------------*/
#include "stdio.h"
#include "usbh_core.h"
#include "usbh_msc.h"
#include "stm32f4xx_hal.h"
#include "stm32469i_discovery.h"
#include "stm32469i_discovery_audio.h"
#include "stm32469i_discovery_ts.h"
#include "lcd_log.h"
#include "ff.h"
#include "ff_gen_drv.h"
#include "usbh_diskio_dma.h"
/* Exported Defines ----------------------------------------------------------*/
#define AUDIO_OUT_BUFFER_SIZE 8192
#define AUDIO_IN_PCM_BUFFER_SIZE 4*2304 /* buffer size in half-word */
#define AUDIO_IN_PDM_BUFFER_SIZE INTERNAL_BUFF_SIZE
#define FILEMGR_LIST_DEPDTH 24
#define FILEMGR_FILE_NAME_SIZE 40
#define FILEMGR_FULL_PATH_SIZE 256
#define FILEMGR_MAX_LEVEL 4
#define FILETYPE_DIR 0
#define FILETYPE_FILE 1
/* Exported types ------------------------------------------------------------*/
/* Application State Machine Structure */
typedef enum {
APPLICATION_IDLE = 0,
APPLICATION_START,
APPLICATION_READY,
APPLICATION_DISCONNECT,
}AUDIO_ApplicationTypeDef;
/* Audio Demo State Structure */
typedef enum {
AUDIO_DEMO_IDLE = 0,
AUDIO_DEMO_WAIT,
AUDIO_DEMO_EXPLORE,
AUDIO_DEMO_PLAYBACK,
AUDIO_DEMO_IN,
}AUDIO_Demo_State;
/* Audio Demo State Machine Structure */
typedef struct _DemoStateMachine {
__IO AUDIO_Demo_State state;
__IO uint8_t select;
}AUDIO_DEMO_StateMachine;
typedef enum {
AUDIO_STATE_IDLE = 0,
AUDIO_STATE_WAIT,
AUDIO_STATE_INIT,
AUDIO_STATE_PLAY,
AUDIO_STATE_PRERECORD,
AUDIO_STATE_RECORD,
AUDIO_STATE_NEXT,
AUDIO_STATE_PREVIOUS,
AUDIO_STATE_FORWARD,
AUDIO_STATE_BACKWARD,
AUDIO_STATE_STOP,
AUDIO_STATE_PAUSE,
AUDIO_STATE_RESUME,
AUDIO_STATE_VOLUME_UP,
AUDIO_STATE_VOLUME_DOWN,
AUDIO_STATE_ERROR,
}AUDIO_PLAYBACK_StateTypeDef;
typedef enum {
AUDIO_SELECT_MENU = 0,
AUDIO_PLAYBACK_CONTROL,
}AUDIO_DEMO_SelectMode;
typedef enum {
BUFFER_OFFSET_NONE = 0,
BUFFER_OFFSET_HALF,
BUFFER_OFFSET_FULL,
}BUFFER_StateTypeDef;
/* Audio buffer control struct */
typedef struct {
uint8_t buff[AUDIO_OUT_BUFFER_SIZE];
BUFFER_StateTypeDef state;
uint32_t fptr;
}AUDIO_OUT_BufferTypeDef;
typedef enum {
BUFFER_EMPTY = 0,
BUFFER_FULL,
}WR_BUFFER_StateTypeDef;
typedef struct {
uint16_t pdm_buff[AUDIO_IN_PDM_BUFFER_SIZE];
uint16_t pcm_buff[AUDIO_IN_PCM_BUFFER_SIZE];
uint32_t pcm_ptr;
WR_BUFFER_StateTypeDef wr_state;
uint32_t offset;
uint32_t fptr;
}AUDIO_IN_BufferTypeDef;
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 */
}WAVE_FormatTypeDef;
typedef struct _FILELIST_LineTypeDef {
uint8_t type;
uint8_t name[FILEMGR_FILE_NAME_SIZE];
}FILELIST_LineTypeDef;
typedef struct _FILELIST_FileTypeDef {
FILELIST_LineTypeDef file[FILEMGR_LIST_DEPDTH] ;
uint16_t ptr;
}FILELIST_FileTypeDef;
typedef enum {
AUDIO_ERROR_NONE = 0,
AUDIO_ERROR_IO,
AUDIO_ERROR_EOF,
AUDIO_ERROR_INVALID_VALUE,
}AUDIO_ErrorTypeDef;
extern USBH_HandleTypeDef hUSBHost;
extern AUDIO_ApplicationTypeDef AppliState;
extern AUDIO_PLAYBACK_StateTypeDef AudioState;
extern FATFS USBH_fatfs;
extern FIL WavFile;
/* Exported constants --------------------------------------------------------*/
/* Exported macro ------------------------------------------------------------*/
/* Exported functions ------------------------------------------------------- */
/* TS API */
uint8_t Touchscreen_Calibration(void);
uint16_t TouchScreen_Get_Calibrated_X(uint16_t x);
uint16_t TouchScreen_Get_Calibrated_Y(uint16_t y);
uint8_t TouchScreen_IsCalibrationDone(void);
/* Menu API */
void AUDIO_MenuInit(void);
void AUDIO_MenuProcess(void);
uint8_t AUDIO_ShowWavFiles(void);
/* Disk Explorer API */
uint8_t AUDIO_StorageInit(void);
FRESULT AUDIO_StorageParse(void);
uint16_t AUDIO_GetWavObjectNumber(void);
/* Toggle LEDs */
void Toggle_Leds(void);
#endif /* __MAIN_H */