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Код: Выделить всё

#ifndef F_CPU
#   define  F_CPU   9600000    
#endif
#include <avr/io.h>
#include <util/delay.h>
#include <avr/eeprom.h>

#define sbi(reg, bit)  (reg|=(1<<bit))
#define cbi(reg, bit)  (reg&=~(1<<bit))
#define ckbi(reg, bit) reg & (1<<bit) 


#define PIN_IN PINB2
#define PIN_OUT PINB4


uint8_t LastState EEMEM = 0;

int main(void)
{
	
	uint8_t NowState;

	LastState = eeprom_read_byte(&LastState);
		
		if (LastState==1)
		{
			
			sbi(DDRB,PIN_OUT); 
			_delay_ms(80);
			cbi(DDRB,PIN_OUT);
			
		}
		
		while (1)
		{
			
					if ((ckbi(PINB, PIN_IN))==0)
					{
						NowState=0;
					}
						else
					{
						NowState=1;
					}
				_delay_ms(300);	
				eeprom_update_byte(&LastState, NowState);
				
		}
		

}