hal_i2c.c File Reference

#include <zephyr.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "cmsis_os2.h"
#include "hal_i2c.h"
#include "timer.h"
#include "plat_i2c.h"
#include "libutil.h"
#include <logging/log.h>

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Functions
	LOG_MODULE_REGISTER (hal_i2c)
int	i2c_freq_set (uint8_t i2c_bus, uint8_t i2c_speed_mode, uint8_t en_slave)
int	i2c_addr_set (uint8_t i2c_bus, uint8_t i2c_addr)
int	i2c_master_read (I2C_MSG *msg, uint8_t retry)
int	i2c_master_write (I2C_MSG *msg, uint8_t retry)
int	i2c_master_read_without_mutex (I2C_MSG *msg, uint8_t retry)
int	i2c_master_write_without_mutex (I2C_MSG *msg, uint8_t retry)
int	i2c_spd_reg_read (I2C_MSG *msg, bool is_nvm)
void	i2c_scan (uint8_t bus, uint8_t *target_addr, uint8_t *target_addr_len)
void	util_init_I2C (void)
int	check_i2c_bus_valid (uint8_t bus)

Variables
struct k_mutex	i2c_mutex [I2C_BUS_MAX_NUM]

Function Documentation

check_i2c_bus_valid()

int check_i2c_bus_valid

(

uint8_t

bus

)

i2c_addr_set()

int i2c_addr_set	(	uint8_t	i2c_bus,
		uint8_t	i2c_addr
	)

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i2c_freq_set()

int i2c_freq_set	(	uint8_t	i2c_bus,
		uint8_t	i2c_speed_mode,
		uint8_t	en_slave
	)

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i2c_master_read()

int i2c_master_read	(	I2C_MSG *	msg,
		uint8_t	retry
	)

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i2c_master_read_without_mutex()

int i2c_master_read_without_mutex	(	I2C_MSG *	msg,
		uint8_t	retry
	)

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i2c_master_write()

int i2c_master_write	(	I2C_MSG *	msg,
		uint8_t	retry
	)

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i2c_master_write_without_mutex()

int i2c_master_write_without_mutex	(	I2C_MSG *	msg,
		uint8_t	retry
	)

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i2c_scan()

void i2c_scan	(	uint8_t	bus,
		uint8_t *	target_addr,
		uint8_t *	target_addr_len
	)

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i2c_spd_reg_read()

int i2c_spd_reg_read	(	I2C_MSG *	msg,
		bool	is_nvm
	)

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LOG_MODULE_REGISTER()

LOG_MODULE_REGISTER

(

hal_i2c

)

util_init_I2C()

void util_init_I2C

(

void

)

Variable Documentation

i2c_mutex

struct k_mutex i2c_mutex[I2C_BUS_MAX_NUM]