#include <OneWire.h>

OneWire ds (12); // on pin 12 - приём данны с датчика
   static byte celsy, desyata;

void setup (void) {
  // Serial.begin (9600);
   pinMode(2, OUTPUT); //0 разряд
   pinMode(3, OUTPUT); // 1 разряд
   pinMode(4, OUTPUT); // 2 разряд
   pinMode(5, OUTPUT);// сегмент F  
   pinMode(6, OUTPUT);// сегмент A  
   pinMode(7, OUTPUT);// сегмент E  
   pinMode(8, OUTPUT);// сегмент B  
   pinMode(9, OUTPUT);// сегмент D
   pinMode(10, OUTPUT);// сегмент C
   pinMode(11, OUTPUT);// сегмент G   
   pinMode(13, OUTPUT);// сегмент dp  
}

void digit (byte cifra) {
    
   // сначала всё обесточиваем
   for (byte j=5; j<12; j++)
   {
   digitalWrite(j, HIGH);   
   }
   digitalWrite(13, HIGH);   
   switch (cifra)
   {
   case 0:   
   {
   digitalWrite(5, LOW);
   digitalWrite(6, LOW);   
   digitalWrite(7, LOW);   
   digitalWrite(8, LOW);   
   digitalWrite(9, LOW);   
   digitalWrite(10, LOW);   
   break;   
   }   
   case 1:   
   {
   digitalWrite(8, LOW);   
   digitalWrite(10, LOW);   
   break;
   }
   case 2:   
   {
   digitalWrite(6, LOW);   
   digitalWrite(7, LOW);   
   digitalWrite(8, LOW);   
   digitalWrite(9, LOW);   
   digitalWrite(11, LOW);
   break;
   }
   case 3:   
   {
   digitalWrite(6, LOW);
   digitalWrite(8, LOW);   
   digitalWrite(9, LOW);   
   digitalWrite(10, LOW);   
   digitalWrite(11, LOW);   
   break;
   }
   case 4:   
   {
   digitalWrite(5, LOW);
   digitalWrite(8, LOW);   
   digitalWrite(10, LOW);   
   digitalWrite(11, LOW);   
   break;
   }
   case 5:   
   {
   digitalWrite(5, LOW);
   digitalWrite(6, LOW);   
   digitalWrite(9, LOW);   
   digitalWrite(10, LOW);   
   digitalWrite(11, LOW);   
   break;
   }
   case 6:   
   {
   digitalWrite(5, LOW);
   digitalWrite(6, LOW);   
   digitalWrite(7, LOW);   
   digitalWrite(9, LOW);   
   digitalWrite(10, LOW);   
   digitalWrite(11, LOW);   
   break;
   }
   case 7:   
   {
   digitalWrite(6, LOW);
   digitalWrite(8, LOW);   
   digitalWrite(10, LOW);   
   break;   
   }   
   case 8:   
   {
   digitalWrite(5, LOW);
   digitalWrite(6, LOW);   
   digitalWrite(7, LOW);   
   digitalWrite(8, LOW);   
   digitalWrite(9, LOW);   
   digitalWrite(10, LOW);   
   digitalWrite(11, LOW);   
   break;   
   }   
   case 9:   
   {
   digitalWrite(5, LOW);
   digitalWrite(6, LOW);   
   digitalWrite(8, LOW);   
   digitalWrite(9, LOW);   
   digitalWrite(10, LOW);   
   digitalWrite(11, LOW);   
   break;   
   }   
   default: ;
   }
}   

void loop (void) {
   byte i;
  // byte present = 0;
   byte type_s;
   byte data[12];
   byte addr[8];
   float celsius, fahrenheit;
     
   if (! ds.search (addr)) {
   ds.reset_search ();
   for (byte i=0;i<20;i++)
   {
   digit(celsy/10);   
   digitalWrite(4, HIGH);   
   delay (5);   
   digitalWrite(4, LOW);   
   digit(celsy%10);
   digitalWrite(13, LOW);   
   digitalWrite(3, HIGH);   
   delay (5);   
   digitalWrite(3, LOW);   
   digit(desyata%10);
   digitalWrite(2, HIGH);   
   delay (5);   
   digitalWrite(2, LOW);   
   }
   //delay (250);
   return;
   }
     
   ds.reset ();
   ds.select (addr);
   ds.write (0x44,1); // start conversion, with parasite power on at the end

// delay (1000); // maybe 750ms is enough, maybe not
   // we might do a ds.depower () here, but the reset will take care of it.
     
   byte present = ds.reset();
   ds.select (addr);   
   ds.write (0xBE); // Read Scratchpad
     
   for (i = 0; i < 9; i++) { // we need 9 bytes
   data [i]= ds.read ();
   }

   // convert the data to actual temperature
   unsigned int raw = (data[1] << 8) | data[0];
   if (type_s) {
   raw = raw << 3; // 9 bit resolution default
   if (data[7] == 0x10) {
   // count remain gives full 12 bit resolution
   raw = (raw & 0xFFF0) + 12 - data[6];
   }
   } else {
   byte cfg = (data[4] & 0x60);
   if (cfg == 0x00) raw = raw << 3; // 9 bit resolution, 93.75 ms
   else if (cfg == 0x20) raw = raw << 2; // 10 bit res, 187.5 ms
   else if (cfg == 0x40) raw = raw << 1; // 11 bit res, 375 ms
   // default is 12 bit resolution, 750 ms conversion time
   }
   celsius = (float)raw / 16.0;
   fahrenheit = celsius * 1.8 + 32.0;
  // Serial.print ("Temperature =");
  // Serial.print (celsius);
  // Serial.print (" C,");
  // Serial.print (fahrenheit);
  // Serial.println (" F");

   if (celsius<70)
   {
   celsy=celsius;
   desyata=celsius*10;
   for (byte i=0;i<50;i++)
   {   
   digit(celsy/10);   
   digitalWrite(4, HIGH);   
   delay (5);   
   digitalWrite(4, LOW);   
   digit(celsy%10);
   digitalWrite(13, LOW);   
   digitalWrite(3, HIGH);   
   delay (5);   
   digitalWrite(3, LOW);   
   digit(desyata%10);
   digitalWrite(2, HIGH);   
   delay (5);   
   digitalWrite(2, LOW);   
   }
   }
}