ds18b20.h

#pragma once

#include <avr/io.h> 

#include <stdio.h>

#define THERM_PORT PORTD

#define THERM_DDR DDRD

#define THERM_PIN PIND

#define THERM_INPUT_MODE(PIN) THERM_DDR&=~(1<<PIN)

#define THERM_OUTPUT_MODE(PIN) THERM_DDR|=(1<<PIN)

#define THERM_LOW(PIN) THERM_PORT&=~(1<<PIN)

#define THERM_HIGH(PIN) THERM_PORT|=(1<<PIN)

#define THERM_CMD_CONVERTTEMP 0x44

#define THERM_CMD_RSCRATCHPAD 0xbe

#define THERM_CMD_WSCRATCHPAD 0x4e

#define THERM_CMD_CPYSCRATCHPAD 0x48

#define THERM_CMD_RECEEPROM 0xb8

#define THERM_CMD_RPWRSUPPLY 0xb4

#define THERM_CMD_SEARCHROM 0xf0

#define THERM_CMD_READROM 0x33

#define THERM_CMD_MATCHROM 0x55

#define THERM_CMD_SKIPROM 0xcc

#define THERM_CMD_ALARMSEARCH 0xec

/* constants */

#define THERM_DECIMAL_STEPS_12BIT 625 //.0625

void therm_delay(uint16_t delay);

uint8_t therm_reset(uint8_t pin);

void therm_write_bit(uint8_t bit, uint8_t pin);

uint8_t therm_read_bit(uint8_t pin);

uint8_t therm_read_byte(uint8_t pin);

void therm_write_byte(uint8_t byte, uint8_t pin);

float therm_read_temperature(uint8_t pin);