therm-led/1wire.h

#ifndef _1WIRE_H
#define _1WIRE_H

#include <avr/io.h>

#define _1WPORT PORTB
#define _1WDDR DDRB
#define _1WPIN PINB
#define _1WL _BV(PB3)

unsigned char _1WireInit(void);
void _1WireWriteSlot(unsigned char bit, unsigned char pr);
unsigned char _1WireReadSlot(void);
void _1WireWriteByte(unsigned char dana);
void _1WireWriteBytePR(unsigned char dana);
unsigned char _1WireReadByte(void);
//void _1WirePoweroff(void);
void _1WireSendRom(unsigned char *rom);
unsigned char _1WireSearch(unsigned char rv, unsigned char *buf);

#define ZERO _1WDDR |= _1WL;
#define JEDEN _1WDDR &= ~_1WL;
#define WYS (_1WPIN & _1WL)

#define _1WirePoweroff() { _1WDDR &= ~_1WL; _1WPORT &= ~_1WL; }

#endif