Colony

#include <avr/io.h>

#include "eeprom.h"

int eeprom_put_byte(unsigned int uiAddress, unsigned char ucData) {

    /* Wait for completion of previous write */

    while(EECR & (1<<EEWE));

    /* Set up address and data registers */

    EEAR = uiAddress;

    EEDR = ucData;

    /* Write logical one to EEMWE */

    EECR |= (1<<EEMWE);

    /* Start eeprom write by setting EEWE */

    EECR |= (1<<EEWE);

    return 0;

}

int eeprom_get_byte(unsigned int uiAddress, unsigned char *byte) {

    /* Wait for completion of previous write */

    while(EECR & (1<<EEWE));

    /* Set up address register */

    EEAR = uiAddress;

    /* Start eeprom read by writing EERE */

    EECR |= (1<<EERE);

    /* get data from data register */

    *byte=EEDR;

    return 0;

}

unsigned char get_robotid(void) {

    unsigned char ret;

    eeprom_get_byte(EEPROM_ROBOT_ID_ADDR, &ret);

    return ret;

}