#include<mega16.h>
#include<stdio.h> 
#include<math.h>
#asm
        .equ __w1_port=0x18
        .equ __w1_bit=0
    #endasm
#include<ds1820.h>   
#define MAX_DEVICES 8

unsigned char rom_code[MAX_DEVICES][9];

void main(void)
{
        unsigned char i,j,devices;
        int temp;
        
        UCSRA=0x00;              //baud rate...übertragung RS2/32
        UCSRB=0x08;
        
        UBRRL=0x33;
        
                         
       
        
        devices=w1_search(0xf0,rom_code);
        printf("%-u DEVICE(S) DETECTED\n\r",devices); 
       
        
        
        while(1)
        {
                for(i=0;i<devices;)
                {
                        temp=ds1820_temperature_10(&rom_code[i][0]); 
                        
                        j='+';
                        if(temp<0)
                        {
                        j='-';
                        temp=-temp;
                        }
                        printf("t%-u=%c%-i.%-u\xf8C\n\r",++i,j,temp/10,abs(temp%10));
                }
        }
}