DS18B20 Library

This is tinyAVR (ATtiny13, ATtiny25, ATtiny45, ATtiny85, etc.) library for DS18B20 temperature sensor. Supports both positive and negative temperature reading.

Example Code

This example demonstrates how to use library and read temperature from DS18B20.

#include <stdint.h>
#include <avr/io.h>
#include <util/delay.h>
#include "uart.h"
#include "ds18b20.h"

#define	DS18B20_PIN	PB0

int
main(void)
{
	int16_t t;

	while (1) {
		t = DS18B20_read(DS18B20_PIN);
		uart_putt(t);
		_delay_ms(1000);
	}
}

Example Logs

[09:30:38:929] 23.5 st. C␊
[09:30:40:008] 23.4 st. C␊
[09:30:41:087] 23.3 st. C␊
[09:30:42:165] 23.5 st. C␊
[09:30:43:243] 23.5 st. C␊
[09:30:44:322] 23.3 st. C␊
[09:30:45:401] 23.3 st. C␊
[09:30:46:478] 23.5 st. C␊
[09:30:47:557] 23.4 st. C␊
[09:30:48:634] 23.3 st. C␊
[09:30:49:712] 23.3 st. C␊
[09:30:50:790] 23.3 st. C␊
[09:30:51:868] 23.4 st. C␊