#include <OneWire.h>

#define GATE1CONTACT 5
#define GATE2CONTACT 6
#define GATE1CONTACTNAME "gate1contact"
#define GATE2CONTACTNAME "gate2contact"

int process(OneWire* ds, float* value) {
  byte i;
  byte present = 0;
  byte data[12];
  byte addr[8];

  if ( !ds->search(addr)) {
    ds->reset_search();
    Serial.println("error searching");
    return 0;
  }


  if ( OneWire::crc8( addr, 7) != addr[7]) {
    Serial.println("error crc");
    return 0;
  }

  if ( addr[0] == 0x10) {
  }
  else if ( addr[0] == 0x28) {
  }
  else {
    Serial.println("error unknown sensor type");
    return 0;
  }

  ds->reset();
  ds->select(addr);
  ds->write(0x44,1);        // запускаем конвертацию

  delay(750);    // скорее всего достаточно 750ms
  // we might do a ds.depower() here, but the reset will take care of it.

  present = ds->reset();
  ds->select(addr);   
  ds->write(0xBE);        // считываем ОЗУ датчика

  for ( i = 0; i < 9; i++) {          // обрабатываем 9 байт
    data[i] = ds->read();
  }
  int HighByte, LowByte, TReading, SignBit;
  float Tc_100;
  LowByte = data[0];
  //Serial.print("LB= ");Serial.print(LowByte,HEX);
  HighByte = data[1];
  //Serial.print(" HB= ");Serial.print(HighByte,HEX);
  TReading = (HighByte << 8) + LowByte;
  //  Tc_100 = TReading * 0.05;

  SignBit = TReading & 0x8000;  // test most sig bit
  if (SignBit) // negative
  {
    TReading = (TReading ^ 0xffff) + 1; // 2's comp
  }
  Tc_100 = (6 * TReading) + TReading / 4;    // multiply by (100 * 0.0625) or 6.25
  *value = Tc_100 * 0.01;
  ds->reset_search();
  return 1;
}

void setup (void)
{
  Serial. begin (9600);
  Serial. println("server started");
}

OneWire ds1 (7); //arduino pin 7 = data
int mybuttonstate = LOW;


void loop() {
  String content = "";
  char character;

  while (Serial.available()) {
    character = Serial. read();
    content. concat (character);
    delay (10);
  }
  if (content.length() > 0) {
    if (content.equals("status")) {
      Serial. print (GATE1CONTACTNAME);
      Serial. print(":");
      Serial. println (digitalRead(GATE1CONTACT) == LOW ? "CLOSED": "OPEN");
      delay (500);

      Serial. print("myrelay1:");
      Serial. println (digitalRead(4) == LOW ? "OFF": "ON");
      delay (500);

      float data;
      if (process(&ds1, &data) == 1) {
        Serial. print("mytemperature:");
        Serial. println (data,DEC);
      }
    }
    else if (content.startsWith("myrelay1:")) {
      if (content.endsWith("OFF")) {
        digitalWrite (4, LOW);
      }
      else if (content.endsWith("ON")) {
        digitalWrite (4, HIGH);
      }
    }
  }

  int mybuttonnewstate = digitalRead (8);
  if (mybuttonstate != mybuttonnewstate) {
    mybuttonstate = mybuttonnewstate;
    Serial. print("mybutton:");
    Serial. println (mybuttonstate == LOW ? "OPEN": "CLOSED");
  }
}