using System;
using System.IO.Ports;
using UnityEngine;
using UnityEngine.UI;

public class SerialPortController : MonoBehaviour
{
    private SerialDevice _sp;
    private string _message;
    public Text text;

    private void Start()
    {
        if (Application.platform == RuntimePlatform.Android)
        {
            try
            {
                this._sp = new SerialDevice("/dev/ttyS4", BaudRate.B9600, Parity.None, 8, StopBits.One, Handshake.None);
                this._sp.DataReceived += (s, e) =>
                {
                    try
                    {
                        if (e.Length > 0)
                        {
                            this._message = BitConverter.ToString(e);
                        }
                    }
                    catch (Exception ex)
                    {
                        Console.WriteLine(ex.Message);
                    }
                };
                this._sp.Open();
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
            }
        }
    }

    // Update is called once per frame
    private void Update()
    {
        this.text.text = this._message;
    }

    private void OnDestroy()
    {
        if (Application.platform == RuntimePlatform.Android)
        {
            try
            {
                if (this._sp != null)
                {
                    this._sp.Close();
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
            }
        }
    }
}