Форум РадиоКот

Код: Выделить всё

unsigned char w1_search(unsigned char cmd,void *p)

Код: Выделить всё

#include <mega8.h>               //áèáëèîòåêà ââîäà\âûâîäà
#include <delay.h>               //áèáëèîòåêà çàäåðæêè
#asm                             //ñîîáùàåì êóäà ïîäêëþ÷åí äàò÷èê
        .equ __w1_port=0x18; PORTC
        .equ __w1_bit=7
#endasm                  
/* #asm                             //ñîîáùàåì êóäà ïîäêëþ÷¸í ýêðàí
    .equ __lcd_port=0x12
#endasm
#include <lcd.h>                 //áèáëèîòåêà äëÿ LCD*/  
#include <1wire.h>               //áèáëèîòåêà ðàáîòû ñ 1Wire
#include <ds18b20.h>             //áèáëèîòåêà äëÿ ðàáîòû ñ äàò÷èêîì ds18b20
#include <stdio.h>               
char lcd_buffer[33];             //ìàñèâ ñ äàííûìè äëÿ ýêðàíà 
int temp; //ïåðåìåííàÿ äëÿ õðàíåíèÿ òåìïåðàòóðû 
unsigned char devices;         //ïåðåìåííàÿ â êîòîðîé êîëè÷åñòâî ïðèñîåäåí¸ííûõ äàò÷èêîâ 
unsigned char cifra [] = {0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7d,0x07,0x7F,0x6F};// Ìàññèâ êîäîâ äëÿ ôîðìèðîâàíèÿ 
int sot;//ïåðåìåííàÿ ñîòåí ...
int des;//ïåðåìåííàÿ äåñÿòêîâ...................
int edi;//ïåðåìåííàÿ åäèíèö....................  



              
////////////////ÈÍÄÈÊÀÖÈß////////////////////////////////
int q;
interrupt [TIM0_OVF] void timer0_ovf_isr(void)
{
 
q++;//óâåëè÷èâàåì ñ÷¸ò÷èê äèíàìè÷åñêîé èíäèêàöèè  
 switch(q) //Ïåðåáîð îòîáðàæàåìîãî ñåé÷àñ ðàçðÿäà
       {case 1:PORTB=0b11101111;PORTD &= 0x80; PORTD|=cifra [edi];//âûâîä ïåðâîé öèôðû
break;
       case 2:PORTB=0b11011111;PORTD &= 0x80;PORTD|=cifra [des]; //âûâîä âòîðîé öèôðû 
break;
       case 3:PORTB=0b10111111;PORTD &= 0x80;PORTD|=cifra [sot];//âûâîä òðåòüåé öèôðû
q=0; 

break;} 

if (q>=4)q=0;
}		
///////////////////////////////////////////////////////////////////
   



///////////////////ÌÅÐßÅÌ ÒÅÌÏÅÐÀÒÓÐÓ//////////////////////////////
void temperature() 
{
if(devices>0)                 //áåñêîíå÷íûé öèêë, åñëè äàò÷èê ïîäêëþ÷îí
      {
          temp=ds18b20_temperature(0);  //÷èòàåì òåìïåðàòóðó  
          if (temp>1000){               //åñëè äàò÷èê âûäà¸ò áîëüøå 1000
             temp=4096-temp;            //îòíèìàåì îò äàííûõ 4096
             temp=-temp;                //è ñòàâèì çíàê "ìèíóñ"
          }
 sot=(temp/100);  
 des =(temp%100)/10;
 edi=(temp %100)%10;
        delay_ms(500);  
          }
       }
////////////////////////////////////////////////////////////////////////       
       
       
       
void main(void)                  
{
PORTB=0b00000000;
DDRB =0b01110000; 
PORTC=0x00;
DDRC=0x00;
PORTD=0xff;
DDRD=0xff;
TCCR0=0x03;// Clock value: 125,000 kHz
TCNT0=0x00;
TIMSK=0x01; // Timer(s)/Counter(s) Interrupt(s) initialization                 
/* lcd_init(16);                    //èíèöèèëèçàöèÿ LCD*/  
devices=w1_init();               //èùèì äàò÷èêè

// Global enable interrupts
#asm("sei")        
      
    
    
    
      
    while(1)
    { temperature();
     
        /*    sprintf(lcd_buffer,"%u - %u - %u",edi,des,sot);    //çàïèñóåìâ ìàñèâ äëÿ ýêðàíà òåìïåðàòóðó è âñ¸ òàêîå
          lcd_clear();                //÷èñòèì äèñïëåé ïåðåä âûâîäîì
          lcd_puts(lcd_buffer);        //âûâîäèì ìàñèâ íà LCD
          delay_ms(500);*/ 
  
    }
    
      
  }