at24mac.c File Reference

AT24MACX02 EEPROM module interface implementation. More...

#include "FreeRTOS.h"
#include "string.h"
#include "at24mac.h"
#include "port.h"
#include "i2c.h"

Include dependency graph for at24mac.c:

Functions
size_t	at24mac_read (uint8_t id, uint16_t address, uint8_t *rx_data, size_t buf_len, uint32_t timeout)
	Read serial data from AT24MAC EEPROM.
size_t	at24mac_read_serial_num (uint8_t id, uint8_t *rx_data, size_t buf_len, uint32_t timeout)
	Read EEPROM serial number.
size_t	at24mac_read_eui (uint8_t id, uint8_t *rx_data, size_t buf_len, uint32_t timeout)
	Read EEPROM EUI number.
size_t	at24mac_write (uint8_t id, uint16_t address, uint8_t *tx_data, size_t buf_len, uint32_t timeout)
	Write serial data to EEPROM.

Detailed Description

AT24MACX02 EEPROM module interface implementation.

Author

Henrique Silva henri.nosp@m.que..nosp@m.silva.nosp@m.@lnl.nosp@m.s.br

Function Documentation

at24mac_read()

size_t at24mac_read	(	uint8_t	id,
		uint16_t	address,
		uint8_t *	rx_data,
		size_t	buf_len,
		uint32_t	timeout )

Read serial data from AT24MAC EEPROM.

Parameters

id	EEPROM chip id
address	Starting read address
rx_data	Buffer to store the data
buf_len	Buffer max length
timeout	Read timeout

Returns

Number of bytes actually received

at24mac_read_eui()

size_t at24mac_read_eui	(	uint8_t	id,
		uint8_t *	rx_data,
		size_t	buf_len,
		uint32_t	timeout )

Read EEPROM EUI number.

Parameters

id	EEPROM chip id
rx_data	Buffer to store the data
buf_len	Buffer max length
timeout	Read timeout

Returns

Number of bytes read

at24mac_read_serial_num()

size_t at24mac_read_serial_num	(	uint8_t	id,
		uint8_t *	rx_data,
		size_t	buf_len,
		uint32_t	timeout )

Read EEPROM serial number.

Parameters

id	EEPROM chip id
rx_data	Buffer to store the data
buf_len	Buffer max length
timeout	Read timeout

Returns

Number of bytes read

at24mac_write()

size_t at24mac_write	(	uint8_t	id,
		uint16_t	address,
		uint8_t *	tx_data,
		size_t	buf_len,
		uint32_t	timeout )

Write serial data to EEPROM.

Parameters

id	EEPROM chip id
address	Write start address
tx_data	Buffer holding the data to write
buf_len	Buffer max len
timeout	Write timout

Returns

Number of bytes actually written