#include <stdint.h>
#include <stdlib.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "freertos/semphr.h"
#include "ci130x_iic.h"
#include "ci130x_system.h"
#include "platform_config.h"
#include "string.h"
#include "ci_log.h"
#include "sdk_default_config.h"

宏定义
#define	ES7243_I2C_ADDR (0x13) /SLAVE设备IIC总线地址/

#define	ES7243_REG00 (0x00)

#define	ES7243_REG01 (0x01)

#define	ES7243_REG02 (0x02)

#define	ES7243_REG03 (0x03)

#define	ES7243_REG04 (0x04)

#define	ES7243_REG05 (0x05)

#define	ES7243_REG06 (0x06)

#define	ES7243_REG07 (0x07)

#define	ES7243_REG08 (0x08)

#define	ES7243_REG09 (0x09)

#define	ES7243_REG10 (0x0A)

#define	ES7243_REG11 (0x0B)

#define	ES7243_REG12 (0x0C)

#define	ES7243_REG13 (0x0D)

#define	ES7243_REG14 (0x0E)

#define	PAG_GAIN_1DB (0x10)
	设置7243 复位更多...

#define	PAG_GAIN_3_5DB (0x12)

#define	PAG_GAIN_18DB (0x20)

#define	PAG_GAIN_20_5DB (0x22)

#define	PAG_GAIN_22_5DB (0x04)

#define	PAG_GAIN_24_5DB (0x40)

#define	PAG_GAIN_25DB (0x06)

#define	PAG_GAIN_27DB (0x42)

#define	DIFFERENTIAL_INPUT (0x01)

函数
static void	I2C_WriteEs7243Data (unsigned int regaddr, char val)
	为7243写入一个字节数据更多...

static int	I2C_ReadEs7243Data (unsigned int regaddr)
	读取7243某个寄存器的值更多...

void	es7243_pga_gain (uint8_t gain)

void	es7243_i2c_init (void)

void	es7243_test (void *p_arg)

void	es7243_aec_hw_init_back (void)

void	es7243_aec_hw_init (void)

变量
static int	reg_data = 0

宏定义说明

◆ DIFFERENTIAL_INPUT

#define DIFFERENTIAL_INPUT (0x01)

◆ ES7243_I2C_ADDR

#define ES7243_I2C_ADDR (0x13) /*SLAVE设备IIC总线地址*/

◆ ES7243_REG00

#define ES7243_REG00 (0x00)

◆ ES7243_REG01

#define ES7243_REG01 (0x01)

◆ ES7243_REG02

#define ES7243_REG02 (0x02)

◆ ES7243_REG03

#define ES7243_REG03 (0x03)

◆ ES7243_REG04

#define ES7243_REG04 (0x04)

◆ ES7243_REG05

#define ES7243_REG05 (0x05)

◆ ES7243_REG06

#define ES7243_REG06 (0x06)

◆ ES7243_REG07

#define ES7243_REG07 (0x07)

◆ ES7243_REG08

#define ES7243_REG08 (0x08)

◆ ES7243_REG09

#define ES7243_REG09 (0x09)

◆ ES7243_REG10

#define ES7243_REG10 (0x0A)

◆ ES7243_REG11

#define ES7243_REG11 (0x0B)

◆ ES7243_REG12

#define ES7243_REG12 (0x0C)

◆ ES7243_REG13

#define ES7243_REG13 (0x0D)

◆ ES7243_REG14

#define ES7243_REG14 (0x0E)

◆ PAG_GAIN_18DB

#define PAG_GAIN_18DB (0x20)

◆ PAG_GAIN_1DB

#define PAG_GAIN_1DB (0x10)

设置7243 复位

返回: int32_t 正确设置7243 解除复位; int32_t 正确

◆ PAG_GAIN_20_5DB

#define PAG_GAIN_20_5DB (0x22)

◆ PAG_GAIN_22_5DB

#define PAG_GAIN_22_5DB (0x04)

◆ PAG_GAIN_24_5DB

#define PAG_GAIN_24_5DB (0x40)

◆ PAG_GAIN_25DB

#define PAG_GAIN_25DB (0x06)

◆ PAG_GAIN_27DB

#define PAG_GAIN_27DB (0x42)

◆ PAG_GAIN_3_5DB

#define PAG_GAIN_3_5DB (0x12)

函数说明

◆ es7243_aec_hw_init()

void es7243_aec_hw_init ( void )

◆ es7243_aec_hw_init_back()

void es7243_aec_hw_init_back ( void )

◆ es7243_i2c_init()

void es7243_i2c_init ( void )

◆ es7243_pga_gain()

void es7243_pga_gain ( uint8_t gain )

◆ es7243_test()

void es7243_test ( void * p_arg )

◆ I2C_ReadEs7243Data()

static int I2C_ReadEs7243Data ( unsigned int regaddr )

static

读取7243某个寄存器的值

参数

regaddr 7243寄存器地址

返回: int 读出寄存器的值

◆ I2C_WriteEs7243Data()

static void I2C_WriteEs7243Data	(	unsigned int	regaddr,
		char	val
	)

static

为7243写入一个字节数据

参数

regaddr	7243寄存器地址
val	需要写入的值

变量说明

◆ reg_data

int reg_data = 0

static