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#include <avr/io.h>
#include <avr/eeprom.h>
#include "config.h"
#include "eeprom.h"



uint8_t eeprom_read(uint16_t addr)
{
while(EECR & (1<<EEPE)) {}

EEARH = addr>>8;
EEARL = addr&0xff;
EECR |= _BV(EERE);

return EEDR;
}

void eeprom_write(uint16_t addr,uint8_t b)
{

if (eeprom_read(addr) != b)
{
EEARH = addr>>8;
EEARL = addr&0xff;
EEDR = b;
EECR |= _BV(EEMPE);
EECR |= _BV(EEPE);
}

}


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