C#下串口編程測試

本文博客鏈接: http://blog.csdn.net/jdh99 ,作者:jdh,轉載請注明.

軟件平臺: C# + WINCE6.0

硬件平臺:tiny6410

界面設計:

設計思路:

1.點擊發(fā)送鍵則發(fā)送文本

2.串口接收到數(shù)據(jù)包則啟動一個事件,在事件中處理數(shù)據(jù)包

注意:

1.接收事件中調(diào)用主線程的控件會導致不安全,所以用了托管的方式調(diào)用

2.直接調(diào)用了C#中的串口控件,波特率等在屬性頁面中設置

源代碼:

    using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.IO.Ports;
using System.Threading;

namespace test_serialport
{
    public partial class Form1 : Form
    {
        //接收數(shù)組
        Byte[] recv_bytes;

        public Form1()
        {
            InitializeComponent();
            //打開串口
            serialPort1.Open();
            //開啟接收線程
            //Thread recv_udp = new Thread(new ThreadStart(recv_udp_func));
            //recv_udp.Start();
            //添加事件注冊  
            serialPort1.DataReceived += recv_udp_func;
        }

        //發(fā)送按鍵按下
        private void button1_Click(object sender, EventArgs e)
        {
            serialPort1.Write(textBox1.Text);
        }

        //接收事件
        void recv_udp_func(object sender, SerialDataReceivedEventArgs e)
        {
            //獲取緩沖區(qū)字節(jié)數(shù)
            int n = serialPort1.BytesToRead;
            //聲明一個臨時數(shù)組存儲當前來的串口數(shù)據(jù)
            byte[] buf = new byte[n];
            serialPort1.Read(buf, 0, n);//讀取緩沖數(shù)據(jù)
            this.Invoke((EventHandler)delegate { this.textBox2.Text = Encoding.Default.GetString(buf, 0, n);});
        }
    }
}
  

C#下串口編程測試