Giorgio Pomettini al Codemotion Tech Meetup di Roma del 18 febbraio 2015 presenta: "Integrare Arduino con Unity".

1. Integrare
Arduino con Unity
Codemotion Tech Meetup 2015 Roma

12. int pulsePin = 0;
int blinkPin = 13;
volatile int BPM;
volatile int Signal;
volatile int IBI = 600;
volatile boolean Pulse = false;
volatile boolean QS = false;

13. void setup()
{
Serial.begin(9600);
pinMode(blinkPin, OUTPUT);
interruptSetup();
}

14. void loop()
{
if (QS == true)
{
Serial.println(BPM);
QS = false;
}
delay(20);
}

18. using UnityEngine;
using System.Collections;
using System.Threading;
using System.IO.Ports;
using UnityEngine.UI;

19. public class DetectPulseRate : MonoBehaviour
{
public static SerialPort serialPort;
public static string streamRead;
public static int BPM;
public GameObject heartImg;
public GameObject heartText;

20. void Start()
{
OpenConnection();
}
public void OpenConnection()
{
serialPort = new SerialPort("/dev/tty.usbmodem1421", 9600, Parity.None, 8, StopBits.One);

21. if(serialPort != null)
{
if(serialPort.IsOpen)
{
serialPort.Close();
Debug.Log ("Chiudo la porta, perché è già aperta");
}
else
{
serialPort.Open();
serialPort.ReadTimeout = 100;
Debug.Log("Porta aperta!");
}
}

22. else
{
if(serialPort.IsOpen)
Debug.Log("La porta è già aperta");
}
}

23. void FixedUpdate()
{
if(serialPort.IsOpen && serialPort.BytesToRead > 0)
{
streamRead = serialPort.ReadLine();
BPM = int.Parse(streamRead);
heartImg.transform.localScale = new Vector3(0, 0, 1);
}

24. Vector3 heartScale = new Vector3(BPM / 100.0f, BPM / 100.0f, 1);
heartText.GetComponent<Text>().text = "BPM " + BPM;
heartImg.transform.localScale = Vector3.Lerp(heartImg.transform.localScale, heartScale, 0.1f);
serialPort.BaseStream.Flush();
}

25. void OnApplicationQuit()
{
// Chiudo la porta quando esco
if (serialPort != null)
serialPort.Close();
}
}

28. Demo

30. Grazie!
Riferimenti:
• Mail: giorgio.pomettini@gmail.com
• Github: https://github.com/dreamquest
Materiale utilizzato:
• Pulse Sensor: http://pulsesensor.com/
• Github: https://github.com/WorldFamousElectronics