1 概要：串口通信模拟

SerialPort serialPort2 = new SerialPort("COM2");

serialPort2.Open();

serialPort2.Write(textBox2.Text);

 

SerialPort serialPort2 = new SerialPort("COM1");

serialPort2.Open();

byte[] bf = new byte[1000];
            serialPort2.Read(bf, 0, 1000);

2.代码

2.1.发生端

 SerialPort serialPort2 = new SerialPort("COM2");
        public Form1()
        {
            InitializeComponent();
            serialPort2.Open();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            serialPort2.Write(textBox2.Text);
            textBox1.AppendText(textBox2.Text+"\r\n");
        }

2.2 接收端

 

SerialPort serialPort2 = new SerialPort("COM1");
        public Form1()
        {
            InitializeComponent();
            serialPort2.Open();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            byte[] bf = new byte[1000];
            serialPort2.Read(bf, 0, 1000);
            string str2 = Encoding.ASCII.GetString(bf);
            textBox1.AppendText(str2 + "\r\n");
        }

3. 运行结果