/**
 * Simple Read
 *
 * Read data from the serial port and change the color of a rectangle
 * when a switch connected to a Wiring or Arduino board is pressed and released.
 * This example works with the Wiring / Arduino program that follows below.
 */


import processing.serial.*;

Serial myPort;  // Create object from Serial class
int val;      // Data received from the serial port

void setup()
{
  size(200, 200);
  // I know that the first port in the serial list on my mac
  // is always my  FTDI adaptor, so I open Serial.list()[0].
  // On Windows machines, this generally opens COM1.
  // Open whatever port is the one you're using.
  String portName = Serial.list()[5];
  printArray(Serial.list());
  myPort = new Serial(this, portName, 19200);
}

void draw()
{
  while (myPort.available() > 0) {
    String inBuffer = myPort.readString();
    if (inBuffer != null) {
      String[] splittedList = split(inBuffer, ",");
      if (splittedList.length == 6) {
        float temperatureVolt = (unhex(splittedList[2]) / 10.0) * (68.0 + 39.0) / 39.0;
        float humidityVolt = (unhex(splittedList[3]) / 10.0) * (68.0 + 39.0) / 39.0;
        float voltage = int(trim(splittedList[5]))/1000.0;
        temperatureVolt /= 1000.0;
        humidityVolt /= 1000.0;
        print("VCC: "); print(voltage);
        print("\tTemp V: "); print(temperatureVolt); print("\tHumidity V: "); println(humidityVolt);
        float temperature = -45-(17.5/0.8)+(175/0.8)*(temperatureVolt/voltage);
        float humidity = -(10/0.8)+(100/0.8)*(humidityVolt/voltage);
        print(temperature);print("°C\t");
        print(humidity);println("%");
      }
    }
  }
}