codec_manage_outside_port.h 文件参考

#include <stdint.h>
#include <stdbool.h>
#include "codec_manager.h"
#include "ci130x_system.h"

浏览源代码.

函数
int	cm_write_codec (int codec_index, void *pcm_buffer, uint32_t wait_tick)
void	cm_get_pcm_buffer (int codec_index, uint32_t *ret_buf, uint32_t wait_ticks)
int	cm_release_pcm_buffer (int codec_index, io_direction_t io_dir, void *pcm_buffer)
int	cm_set_codec_mute (int codec_index, io_direction_t io_dir, int channel_flag, FunctionalState en)
int	cm_get_codec_empty_buffer_number (int codec_index, io_direction_t io_dir)
int	cm_get_codec_busy_buffer_number (int codec_index, io_direction_t io_dir)
int	cm_set_codec_alc (int codec_index, cm_cha_sel_t cha, FunctionalState alc_enable)
	CODEC ADC ALC开关的接口 更多...
int	cm_set_codec_adc_gain (int codec_index, cm_cha_sel_t cha, int gain)
	设置ADC的gain，只开放PGA增益调节 更多...
void	audio_pre_rslt_write_data (int16_t *left, int16_t *right)
	写数据到发送端 更多...

详细描述

版本

V1.0.0

日期

2021.04.04

函数说明

cm_get_codec_busy_buffer_number()

int cm_get_codec_busy_buffer_number	(	int	codec_index,
		io_direction_t	io_dir
	)

cm_get_codec_empty_buffer_number()

int cm_get_codec_empty_buffer_number	(	int	codec_index,
		io_direction_t	io_dir
	)

cm_get_pcm_buffer()

void cm_get_pcm_buffer	(	int	codec_index,
		uint32_t *	ret_buf,
		uint32_t	wait_ticks
	)

cm_release_pcm_buffer()

int cm_release_pcm_buffer	(	int	codec_index,
		io_direction_t	io_dir,
		void *	pcm_buffer
	)

cm_set_codec_adc_gain()

int cm_set_codec_adc_gain	(	int	codec_index,
		cm_cha_sel_t	cha,
		int	gain
	)

设置ADC的gain，只开放PGA增益调节

参数

codec_index
cha	通道
gain	增益（-18dB —— 28dB）

返回

int

cm_set_codec_alc()

int cm_set_codec_alc	(	int	codec_index,
		cm_cha_sel_t	cha,
		FunctionalState	alc_enable
	)

CODEC ADC ALC开关的接口

参数

codec_index	CODEC编号
cha	左声道或者右声道，不可以双声道
alc_enable	ALC开关

返回

int

cm_set_codec_mute()

int cm_set_codec_mute	(	int	codec_index,
		io_direction_t	io_dir,
		int	channel_flag,
		FunctionalState	en
	)

cm_write_codec()

int cm_write_codec	(	int	codec_index,
		void *	pcm_buffer,
		uint32_t	wait_tick
	)