tiny2313을 사용하여 ds1820온도센서의 값을 시리얼로 출력 하는 소스입니다.

#include <tiny2313.h>
#include <ds1820.h>
#include <1wire.h>
#include <stdio.h>
#include <delay.h>
#include <math.h>

#asm
    .equ __w1_port=0x18 ;PORTB
    .equ __w1_bit=3
#endasm

#define MAX_DEVICES 8

unsigned char rom_codes[MAX_DEVICES,8];

main(){

unsigned char i, devices;
int temp;

UCSRA=0x00;
UCSRB=0x18;
UCSRC=0x06;
UBRRH=0x00;
UBRRL=0x17;

w1_init();

delay_ms(500);
devices=w1_search(0xf0,rom_codes);
delay_ms(500);

printf("%-u DEVICE(S) DETECTED\n\r",devices);
delay_ms(500);

if (devices==0) while (1);     

while (1)
{
 
 for (i=0;i<devices;)
 {
  temp=ds1820_temperature_10(&rom_codes[i,0]); 
    delay_ms(1000);
    printf("temp %-i.%-u C\n\r",temp/10, abs(temp%10));
    delay_ms(5000);      
   }
};
}