simple_mp3_player.h 文件参考

#include "FreeRTOS.h"
#include <stdbool.h>
#include "ci_system.h"

浏览源代码.

结构体
struct	audio_format_info_t
	音频信息数据结构 更多...

类型定义
typedef void(*	SMP_PLAY_END_CALLBACK) (int32_t arg)

枚举
enum	smp_msg_id_t {   SMP_MSG_START_PLAY = 0,   SMP_MSG_STOP_PLAY }

函数
int	smp_init (void)
	Initialize the simple mp3 player module. 更多...
int	smp_play (uint32_t data_addr, void *play_end_callback)
	Start playing. 更多...
void	smp_stop ()
void	audio_play_hw_pa_da_ctl (FunctionalState cmd, bool is_control_pa)
	pa、da控制，可选择是否控制功放 更多...
void	audio_play_set_vol_gain (int32_t gain)
	调节播放音量 更多...

---

结构体说明

audio_format_info_t

struct audio_format_info_t

音频信息数据结构

成员变量
uint8_t	nChans	通道数
int32_t	out_min_size	帧长度
uint32_t	samprate	采样率

类型定义说明

SMP_PLAY_END_CALLBACK

typedef void(* SMP_PLAY_END_CALLBACK) (int32_t arg)

枚举类型说明

smp_msg_id_t

enum smp_msg_id_t

枚举值
SMP_MSG_START_PLAY
SMP_MSG_STOP_PLAY

函数说明

audio_play_hw_pa_da_ctl()

void audio_play_hw_pa_da_ctl	(	FunctionalState	cmd,
		bool	is_control_pa
	)

pa、da控制，可选择是否控制功放

参数

cmd

pa使能或失能

audio_play_set_vol_gain()

void audio_play_set_vol_gain

(

int32_t

gain

)

调节播放音量

参数

gain

音量(0–100)

smp_init()

int smp_init

(

void

)

Initialize the simple mp3 player module.

返回

int 1: successed; not 1: failed.

smp_play()

int smp_play	(	uint32_t	data_addr,
		void *	play_end_callback
	)

Start playing.

参数

data_addr	uint32_t It's used to specifiy the address of the mp3 data.
play_end_callback	A pointer to a function that will be called when play to end.

返回

int 1: successed; not 1: failed. t

smp_stop()

void smp_stop

(

)