#include <mega32.h>
#include <alcd.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <i2c.h>
#include <delay.h>
#define write_address_bus 0xa0
#define read_address_bus 0xa1
void write_eeprom(unsigned char data,unsigned int address)
{
i2c_start();
i2c_write(write_address_bus);
i2c_write(0x00);
i2c_write(address);
i2c_write(data);
i2c_stop();
delay_ms(10);
}
unsigned char read_eeprom(unsigned int address)
{
unsigned char data_read;
i2c_start();
i2c_write(write_address_bus);
i2c_write(0x00);
i2c_write(address);
i2c_start();
i2c_write(read_address_bus);
data_read=i2c_read(0);
i2c_stop();
return data_read;
}
void main(void)
{
i2c_init();
while (1)
{
write_eeprom(unsigned char data,unsigned int address);
read_eeprom(unsigned int address);
}}
دیدگاه