i2c_sim.h File Reference

#include "board.h"

Go to the source code of this file.

Macros
#define	GPIO_SCL
#define	GPIO_SDA

Functions
void	i2c_gpio_init (int32_t speed, int32_t slaveaddr)
	Initialization. More...
uint8_t	i2c_gpio_probe (uint8_t addr)
	Probe to see if a chip is present. Probe to see if a chip is present. Also good for checking for the completion of EEPROM writes since the chip stops responding until the write completes (typically 10mSec). More...
uint8_t	i2c_gpio_read (uint8_t chip, uint32_t addr, int32_t alen, uint8_t *buffer, int32_t len)
	Read bytes. More...
uint8_t	i2c_gpio_write (uint8_t chip, uint32_t addr, int32_t alen, uint8_t *buffer, int32_t len)
	Write bytes. More...

Macro Definition Documentation

#define GPIO_SCL

GPIO SCL

#define GPIO_SDA

GPIO SDA

Function Documentation

void i2c_gpio_init	(	int32_t	speed,
		int32_t	slaveaddr
	)

Parameters

[in]	speed	I2C speed.
[in]	slaveaddr	Slave device address.

uint8_t i2c_gpio_probe

(

uint8_t

addr

)

Parameters

[in]

addr

I2C slave device address.

Returns

Probe successful or failed.

uint8_t i2c_gpio_read	(	uint8_t	chip,
		uint32_t	addr,
		int32_t	alen,
		uint8_t *	buffer,
		int32_t	len
	)

This function will read data from i2c slave device.

Parameters

[in]	chip	Chip number.
[in]	addr	Address in I2C slave device.
[in]	alen	Address len.
[in]	buffer	Buffer address that will be read to.
[in]	len	Len of data that will be read.

Returns

Read successful or not.

uint8_t i2c_gpio_write	(	uint8_t	chip,
		uint32_t	addr,
		int32_t	alen,
		uint8_t *	buffer,
		int32_t	len
	)

This function will write data to i2c slave device.

Parameters

[in]	chip	Chip address.
[in]	addr	Address in I2C slave device.
[in]	alen	Address len.
[in]	buffer	Buffer address that will be write.
[in]	len	Len of data that will be write.

Returns

Write failed times.