/*
 *  PT1000 Test-Code
 *  RIBU Elektronik e.U.
 *  Anton Buchgraber
 *  2021
 *
 *  Reads the Temperature, ID and Version from the RIBU Elektronik PT1000 Measurement Board (Testet on ESP32 and ESP8266 Boards) 
 *
 *
 */

#include <Wire.h>

#define i2c_addr 0x3F

byte temp;

void setup()
{
    Serial.begin(115200);
    delay(10);
    
}

void loop()
{
    Wire.begin();
    //Wire.beginTransmission(i2c_addr);
    //Wire.write(0x0);
    //Wire.endTransmission();
    
    Wire.requestFrom(i2c_addr, 5);

    // Read Grad HIGH
    temp = Wire.read();
    Serial.println(temp, BIN);
    int temperatur_wert = temp * 256;
    Serial.println(temperatur_wert, BIN);

    // Read Grad LOW
    temp = Wire.read();
    Serial.println(temp, BIN);
    temperatur_wert += temp;
    Serial.println(temperatur_wert, BIN);

    // Read ID HIGH
    temp = Wire.read();
    Serial.println(temp, BIN);
    int id_wert = temp * 256;
    Serial.println(id_wert, BIN);

    // Read ID LOW
    temp = Wire.read();
    Serial.println(temp, BIN);
    id_wert += temp;
    Serial.println(id_wert, BIN);

    // Read Version
    temp = Wire.read();
    Serial.println(temp, BIN);
    byte version_wert = temp;

    float helpwert = temperatur_wert / 64.0;
    helpwert -= 256;

    Serial.print(helpwert);
    Serial.println("°C");
    Serial.print("ID: ");
    Serial.println(id_wert);
    Serial.print("V: ");
    Serial.println(version_wert);
    

    delay(1000);
  
}