form1.cs

利用c#编写的串口编程,开发工具是2005的开发工具

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.Net;
using System.Net.Sockets;
using System.IO;
using System.Threading;
using System.Runtime.InteropServices;


namespace Demo
{
    public partial class btnCLoExit : Form
    {
        static byte SOH = 0x01;
        static byte STX = 0x02;
        static byte ETX = 0x03;
        static byte S = 0x53;
        static int bcc;
        byte[] send1 = { SOH, S };
        byte[] send4 = { STX};
        byte[] send5 = { ETX};
        SerialPort sp = new SerialPort();
        public btnCLoExit()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            ComBoBox_Load();
        }
        private void ComBoBox_Load()
        {
            this.comboBox1.Text = comboBox1.Items[0].ToString();
            this.cboId.Text = cboId.Items[0].ToString();
            this.comboBox3.Text = comboBox3.Items[1].ToString();
            this.cmbSend.Text = cmbSend.Items[0].ToString();
            this.cboData.Text = cboData.Items[7].ToString();
        }
        /**
         * Open SerialPort
         * **/
        private void btnOpenPort_Click(object sender, EventArgs e)
        {
            try
            {
                sp.PortName = this.comboBox1.SelectedItem.ToString();
                sp.BaudRate = (int.Parse)(this.comboBox3.SelectedItem.ToString());
                sp.DataBits = (int.Parse)(this.cboData.SelectedItem.ToString());
                sp.Parity = Parity.None;
                sp.StopBits = StopBits.One;
                sp.RtsEnable = true;
                sp.Open();
                MessageBox.Show("串口打开成功！");
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }

        }
        /**
         *Close SerialPort
         * **/
        private void btnClosePort_Click(object sender, EventArgs e)
        {
            try
            {
                if (sp.IsOpen)
                {
                    sp.Close();
                    MessageBox.Show("串口已关闭！");
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }

        }
        /**
         * Directly OpenBuzzer Operation
         * 
         * **/
        private void btnBuzzer_Click(object sender, EventArgs e)
        {
            try
            {
                if (sp.IsOpen)
                {
                    int bcc = 0;
                    byte[] send = { SOH, S, 0x30, 0x31, 0x42, 0x31, STX, 0x32, 0x30, ETX };
                    bcc = SOH ^ S ^ 0x30 ^ 0x31 ^ 0x42 ^ 0x31 ^ STX ^ 0x32 ^ 0x30 ^ ETX | 0x20;
                    byte[] sendCheck ={ Convert.ToByte(bcc) };
                    sp.Write(send, 0, send.Length);
                    sp.Write(sendCheck, 0, sendCheck.Length);
                    this.cmbSend.Text = "B1";
                    string str = sp.ReadExisting();
                    byte[] sendRead = System.Text.ASCIIEncoding.ASCII.GetBytes(str);
                    for (int i = 0; i < sendRead.Length; i++)
                    {
                        byte s = sendRead[i];
                        MessageBox.Show(s.ToString());
                    }
                        
         
                   
                }
                else
                {
                    MessageBox.Show("请开启串口！");
                }            
            }
            catch(Exception ex)
            {
                MessageBox.Show(ex.Message);
            } 
        }
        /**
         * Directly CloseBuzzer Operation
         * 
         * **/
        private void closeBuzzer_Click(object sender, EventArgs e)
        {
            try
            {
                if (sp.IsOpen)
                {
                    int bcc = 0;
                    byte[] send = { SOH, S, 0x30, 0x31, 0x42, 0x30, STX, ETX };
                    bcc = SOH ^ S ^ 0x30 ^ 0x31 ^ 0x42 ^ 0x30 ^ STX ^ ETX | 0x20;
                    byte[] sendCheck ={ Convert.ToByte(bcc) };
                    sp.Write(send, 0, send.Length);
                    sp.Write(sendCheck, 0, sendCheck.Length);
                    this.cmbSend.Text = "B0";
                }
                else
                {
                    MessageBox.Show("串口未打开！");
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            } 
        }
        /**
         * Directly ReverseBuzzer Operation
         * 
         * */
        private void btnReverseBuzzer_Click(object sender, EventArgs e)
        {
            try
            {
                if (sp.IsOpen)
                {
                    int bcc = 0;
                    byte[] send = { SOH, S, 0x30, 0x31, 0x42, 0x32, STX, ETX };
                    bcc = SOH ^ S ^ 0x30 ^ 0x31 ^ 0x42 ^ 0x32 ^ STX ^ ETX | 0x20;
                    byte[] sendCheck ={ Convert.ToByte(bcc) };
                    sp.Write(send, 0, send.Length);
                    sp.Write(sendCheck, 0, sendCheck.Length);
                    this.cmbSend.Text = "B2";
                }
                else
                {
                    MessageBox.Show("串口未打开！");
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }
        /**
         * Exit Window
         * **/
        private void btnExit_Click(object sender, EventArgs e)
        {
            Application.Exit();
        }
        /**
         * Date Time Show
         * **/
        private void timer1_Tick(object sender, EventArgs e)
        {
            DateTime dt = DateTime.Now;
            this.lblTime.Text = dt.ToString();
        }
        /**
         * Close SerialPort and Exit window
         * **/

        /**
         * Check SerialProt isOpen
         * **/
        private void SerialPortOpen()
        {
            if (!sp.IsOpen)
            {
                MessageBox.Show("请打开串口！");
            }
        }
        /**
         * A0 Single Pattern
         * **/
        private void singleModle()
        {
            byte[] send2 = System.Text.ASCIIEncoding.ASCII.GetBytes(this.cboId.SelectedItem.ToString());
            byte[] send3 = System.Text.ASCIIEncoding.ASCII.GetBytes(this.cmbSend.SelectedItem.ToString());
            bcc = SOH ^ S ^ send2[0] ^ send2[1] ^ send3[0] ^ send3[1] ^ STX ^ ETX | 0x20;
            byte[] checkBcc ={ Convert.ToByte(bcc) };
            sp.Write(send1,0,send1.Length);
            sp.Write(send2, 0, send2.Length);
            sp.Write(send3, 0, send3.Length);
            sp.Write(send4, 0, send4.Length);
            sp.Write(send5, 0, send5.Length);
            sp.Write(checkBcc,0,checkBcc.Length);
        }
        /**
         * A1 Card Read Pattern
         * **/
        public void CardReadPattern()
        {
            string str = this.txtSend.Text;
            byte[] send2 = System.Text.ASCIIEncoding.ASCII.GetBytes(this.cboId.SelectedItem.ToString());
            byte[] send3 = System.Text.ASCIIEncoding.ASCII.GetBytes(this.cmbSend.SelectedItem.ToString());
            byte[] send = System.Text.ASCIIEncoding.ASCII.GetBytes(str);
            if(str.Length == 1)
            {
                byte data1 = send[0];
                bcc = SOH ^ S ^ send2[0] ^ send2[1] ^ send3[0] ^ send3[1] ^ STX ^ data1 ^ ETX | 0x20;
            }
            else if (str.Length == 2)
            {
                byte data1 = send[0];
                byte data2 = send[1];
                bcc = SOH ^ S ^ send2[0] ^ send2[1] ^ send3[0] ^ send3[1] ^ STX ^ data1 ^ data2 ^ ETX | 0x20;
            }
            else if (str.Length == 3)
            {
                byte data1 = send[0];
                byte data2 = send[1];
                byte data3 = send[2];
                bcc = SOH ^ S ^ send2[0] ^ send2[1] ^ send3[0] ^ send3[1] ^ STX ^ data1 ^ data2 ^ data3 ^ ETX | 0x20;
            }
            byte[] checkBcc ={ Convert.ToByte(bcc) };
            sp.Write(send1,0,send1.Length);
            sp.Write(send2,0,send2.Length);
            sp.Write(send3,0,send3.Length);
            sp.Write(send4, 0, send4.Length);
            sp.Write(send, 0, send.Length);
            sp.Write(send5, 0, send5.Length);
            sp.Write(checkBcc, 0, checkBcc.Length);
                
        }
        /**
         * A2 Number Read Pattern
         * **/
        private void NumberReadPattern()
        {
            CardReadPattern();
        }
        /**
         * A3 Card Number Read Pattern
         * **/
        private void CardNumberReadPattern()
        {
            CardReadPattern();
        }
        /**
         * A4 Special Key Input
         * **/
        private void SpecialKeyInput()
        {
            CardReadPattern();
        }
        /**
         * A5 Card Special Read Pattern
         * **/
        private void CardSpecialReadPattern()
        {
            CardReadPattern();
        }
        /**
         * A6 Number Special Input Pattern
         * **/
        private void NumberSpecialInputPattern()
        {
            CardReadPattern();
        }
        /**
         * A7 CardNumberSpecial Read Pattern
         * **/
        private void CardNumberSpecial()
        {
            CardReadPattern();
        }
        /**
         * B0 Close Buzzer
         * **/
        private void CloseBuzzer()
        {
            singleModle();
        }
        /**
         * B1 Open Buzzer
         * **/
        private void OpenBuzzer()
        {
            CardReadPattern();
        }
        /**
         * B2 Reverse Buzzer
         * **/
        private void ReverseBuzzer()
        {
            singleModle();
        }
        /**
         * Function Send Implementation
         * **/
        private void btnSend_Click(object sender, EventArgs e)
        {

            try
            {
                SerialPortOpen();
                if (this.cmbSend.Text == "A0")
                    singleModle();
                else if (this.cmbSend.Text == "A1")
                    CardReadPattern();
                else if (this.cmbSend.Text == "A2")
                    NumberReadPattern();
                else if (this.cmbSend.Text == "A3")
                    CardNumberReadPattern();
                else if (this.cmbSend.Text == "A4")
                    SpecialKeyInput();
                else if (this.cmbSend.Text == "A5")
                    CardSpecialReadPattern();
                else if (this.cmbSend.Text == "A6")
                    NumberSpecialInputPattern();
                else if (this.cmbSend.Text == "A7")
                    CardNumberSpecial();
                else if (this.cmbSend.Text == "B0")
                    CloseBuzzer();
                else if (this.cmbSend.Text == "B1")
                    OpenBuzzer();
                else if (this.cmbSend.Text == "B2")
                    ReverseBuzzer();
               
             }
            catch(Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }

        private void serialPort1_DataReceived(object sender, SerialDataReceivedEventArgs e)
        {

        }

       
    }
}