csharp 微：位と统一シリアル通信サンプル

Posted 2021-05-12

using UnityEngine;
using System.Collections;
using System.IO.Ports;
using SerialLib;

public class SerialReceiver : MonoBehaviour
{
    public bool isDebug;

    private string URL = "/dev/cu.usbmodem1412";
    private int PORT = 115200;

    [SerializeField]
    private UnitySerial _serial;

    // Use this for initialization
    void OnEnable()
    {
        _serial = new UnitySerial(URL, PORT, 1000);
        _serial.ThreadStart();
    }

    public string output;

    // Update is called once per frame
    void Update()
    {
        var tmp = _serial.GetData();
        if (string.IsNullOrEmpty(tmp) == false)
        {
            Debug.Log(tmp);
            output = _serial.GetData();
        }
    }

    void OnGUI()
    {
        if (GUILayout.Button("Send"))
        {
            _serial.Write("hoge");
        }
    }


    void OnDisable()
    {
        if (_serial != null)
        {
            _serial.ThreadEnd();
        }
    }
}

using System;
using System.Threading;
using System.IO.Ports;
using System.Runtime.InteropServices;
using UnityEngine;

namespace SerialLib
{
    [System.Serializable]
    public class UnitySerial
    {
        SerialPort serial;
        byte[] buf;

        [TextArea(5, 5), SerializeField]
        string message;

        Thread SerialThread;

        [SerializeField]
        bool isThreading = false;


        public UnitySerial(string portName, int baudRate, int bufSize)
        {
            buf = new byte[bufSize];
            Init(portName, baudRate);
            SerialThread = new Thread(this.UpdateData);
        }

        public void ThreadStart()
        {
            SerialThread.Start();
        }

        public void ThreadEnd()
        {
            isThreading = false;
            SerialThread.Abort();
            serial.Close();
        }

        void Init(string portName, int baudRate)
        {
            serial = new SerialPort(portName, baudRate, Parity.None, 8, StopBits.One);
            try
            {
                serial.Open();
                serial.DtrEnable = true;
                serial.RtsEnable = true;
                serial.DiscardInBuffer();
                serial.ReadTimeout = 5000;
            }
            catch (Exception e)
            {
                Debug.LogWarning("Init : " + e.Message);
            }
        }

        public string GetData()
        {
            return message;
        }

        public void UpdateData()
        {
            isThreading = true;

            while (isThreading)
            {
                try
                {
                    message = serial.ReadLine();
                }
                catch (TimeoutException e)
                {
                    Debug.LogWarning(e.Message);
                }
            }
        }

        public void Write(string v)
        {
            serial.WriteLine(v);
        }
    }
}