#include <LiquidCrystal.h>
#include <BigNumbers.h>
#include <OneWire.h>
#include <DallasTemperature.h>

// Na PIN 7 cteni cidel
#define ONE_WIRE_BUS 7


OneWire oneWire(ONE_WIRE_BUS);
DallasTemperature sensors(&oneWire);

//prectené adresy Cidel DS18b20
DeviceAddress Probe01 = { 0x28, 0xCC, 0x36, 0xB4, 0x01, 0x00, 0x00, 0xD0 };
DeviceAddress Probe02 = { 0x28, 0x27, 0x23, 0x9D, 0x01, 0x00, 0x00, 0x4C };


//zapojeni PINu 12, 11, 5, 4, 3, 2 do arduina
LiquidCrystal lcd(12, 11, 5, 4, 3, 2);
//inicializace velkych pismen
BigNumbers bigNum(&lcd);

//nastaveni promenne
float  tempC1, tempC1C;
unsigned int temp, tempA, tempB, tempC;

//smazani
byte RR[8] =
{
  B00000,
  B00000,
  B00000,
  B00000,
  B00000,
  B00000,
  B00000,
  B00000
};

//Stupen
byte RT[8] =
{
  B00000,
  B01110,
  B01010,
  B01010,
  B01010,
  B01010,
  B01110,
  B00000
};

//zobrazení mínusu
byte LR[8] =
{
  B00000,
  B00000,
  B00000,
  B00000,
  B00000,
  B11111,
  B11111,
  B11111
};
byte MB[8] =
{
  B11111,
  B11111,
  B11111,
  B00000,
  B00000,
  B00000,
  B00000,
  B00000
};
//konec zobrazení mínusu

//desetinna carka
byte th[8] = {
  B00000,
  B00000,
  B00000,
  B00000,
  B00000,
  B01110,
  B01110,
  B01110


};

void setup()
{
  lcd.createChar(0,RR);
  lcd.createChar(1,RT);
  lcd.createChar(2,LR);
  lcd.createChar(3,MB);
   lcd.createChar(4,th);

  sensors.begin();
   sensors.setResolution(Probe01, 12);
   sensors.setResolution(Probe02, 12);

  lcd.begin(20,4);
  lcd.clear();
}


void loop()
{
   //inicializuje cidlo
   sensors.requestTemperatures();

     //precte teplotu z Probe02
     tempC1 = sensors.getTempC(Probe02);

     // tempc1 = -127 pak napise error
        if (tempC1 == -127.00)
              {
                //smazani desetinne tecky
                 lcd.setCursor(9,3);
                 lcd.write(byte(0));
                 //konec

                  //vykresleni stupne
                  lcd.setCursor(17,0);
                  lcd.write(byte(0));
                  //KONEC stupne

                  //smaze minus
                  lcd.setCursor(0,1);
                  lcd.write(byte(0));
                  lcd.setCursor(0,2);
                  lcd.write(byte(0));
                  //KONEC minus

                bigNum.clearLargeNumber(2);
                 bigNum.displayLargeNumber(12,2); //zobrazi pismeno E
                 bigNum.clearLargeNumber(6);
                 bigNum.displayLargeNumber(13,6); //zobrazi pismeno R
                 bigNum.clearLargeNumber(10);
                 bigNum.displayLargeNumber(14,10); //zobrazi pismeno O jao olga
                 bigNum.clearLargeNumber(14);
                 bigNum.displayLargeNumber(13,14);
                 bigNum.clearLargeNumber(18);
            } else{

                //kdyz teplota bude mensi nez -0.05 pak vykresli znamenko minus na displeji
                if(tempC1 <= -0.05){

                  //vykresleni minus
                  lcd.setCursor(0,1);
                  lcd.write(2);
                  lcd.setCursor(0,2);
                  lcd.write(3);
                  //KONEC minus

                tempC1C = tempC1 * -1;

                //Serial.println(tempC1);
                //vypise prvni cislo na displeji 10.00
                  temp = tempC1C/10;
                 //Serial.println(temp);
                 //vypise druhe cislo na displeji 01.00
                  tempA = tempC1C - (temp*10);
                 //Serial.println(tempA);
                 //vypise treti cislo na displeji 00.10
                 tempB = tempC1C*10-(temp*100+tempA*10);
                //Serial.println(tempB);
                 //vypise ctvrte cislo na displeji 00.1
                 tempC = tempC1C*100-(temp*1000+tempA*100+tempB*10);
                 //Serial.println(tempC);
                 bigNum.clearLargeNumber(2);
                 bigNum.displayLargeNumber(temp,2);
                 bigNum.clearLargeNumber(6);
                 bigNum.displayLargeNumber(tempA,6);


                 //vykresleni desetinne tecky
                 lcd.setCursor(9,3);
                 lcd.write(4);
                 //KONEC

                 bigNum.clearLargeNumber(10);
                 bigNum.displayLargeNumber(tempB,10);
                 bigNum.clearLargeNumber(14);
                 bigNum.displayLargeNumber(tempC,14);

                 //vykresleni pismene C
                 bigNum.displayLargeNumber(11,18);
                 //konec

                 //vykresleni stupne
                  lcd.setCursor(17,0);
                  lcd.write(1);
                  //KONEC stupne

                 //kdyz teplota bude v plusi tak zapise teplotu a vymaze znamenko
                }else{

                  //smazani minus
                  lcd.setCursor(0,1);
                  lcd.write(byte(0));
                  lcd.setCursor(0,2);
                  lcd.write(byte(0));
                  //KONEC minus

                //Serial.println(tempC1);
                //vypise prvni cislo na displeji 10.00
                  temp = tempC1/10;
                 //Serial.println(temp);
                 //vypise druhe cislo na displeji 01.00
                  tempA = tempC1 - (temp*10);
                 //Serial.println(tempA);
                 //vypise treti cislo na displeji 00.10
                 tempB = tempC1*10-(temp*100+tempA*10);
                //Serial.println(tempB);
                 //vypise ctvrte cislo na displeji 00.1
                 tempC = tempC1*100-(temp*1000+tempA*100+tempB*10);
                 //Serial.println(tempC);
                 bigNum.clearLargeNumber(2);
                 bigNum.displayLargeNumber(temp,2);
                 bigNum.clearLargeNumber(6);
                 bigNum.displayLargeNumber(tempA,6);
                 bigNum.clearLargeNumber(10);

                 //vykresleni desetinne tecky
                 lcd.setCursor(9,3);
                 lcd.write(4);
                 //KONEC

                 bigNum.displayLargeNumber(tempB,10);
                 bigNum.clearLargeNumber(14);
                 bigNum.displayLargeNumber(tempC,14);

                 //vykresleni pismene C
                 bigNum.displayLargeNumber(11,18);
                 //konec

                 //vykresleni stupne
                  lcd.setCursor(17,0);
                  lcd.write(1);
                  //KONEC stupne


                }
}

}