基本信息

---

下载

   友情提示：（无需注册或充值，赞助后即可获取资源下载链接）

---

     嘿，亲！知识可是无价之宝呢，但咱这精心整理的资料也耗费了不少心血呀。小小地破费一下，绝对物超所值哦！如有下载和支付问题，请联系我们QQ(微信同号)：78630559

本次赞助数额为： 2 元　

支付宝支付

微信支付

   源码介绍

---

C#写的串口助手

程序由vs2013 c#编写
转存功能其实还没有实现，有兴趣可以在此基础上填加，程序功能不完善，仅供像我这样业余的玩家参考。
开启串口的开关的背景图片使用了绝对地址，下载下来之后要更改为自己的文件所在的地址。

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

namespace uart
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        SerialPort sp = new SerialPort();
        private long recCnt = 0;//接收计数
        private long sendCnt = 0;//发送计数
        private StringBuilder builder = new StringBuilder();//避免在事件处理方法中反复的创建，定义到外面。
        volatile bool m_IsReceiving = false;
        volatile bool m_IsTryToClosePort = false;
        /// <summary>
        /// 接收事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void DataReceivedHandler(
                        object sender,
                        SerialDataReceivedEventArgs e)
        {

            if (m_IsTryToClosePort)         // 设置这个变量是为了解决一个问题，当程序接收速度较高的数据时点击关闭就会卡死，
                                            // 原因是两个线程同时操作串口资源造成死锁，所以这里做标志，防止同时操作。
            {
                return;
            }

            m_IsReceiving = true;           // 

            int n = sp.BytesToRead;         //先记录下来，避免某种原因，人为的原因，操作几次之间时间长，缓存不一致
            byte[] buf = new byte[n];       //声明一个临时数组存储当前来的串口数据
            recCnt  = n;                    //增加接收计数
            sp.Read(buf, 0, n);             //读取缓冲数据
            builder.Clear();                //清除字符串构造器的内容

            this.Invoke((EventHandler)(delegate//因为要访问ui资源，所以需要使用invoke方式同步ui。
            {
                if (ckBoxRecHex.Checked)    //判断是否是显示为16禁止
                {
                    foreach (byte b in buf) //依次的拼接出16进制字符串
                    {
                        builder.Append(b.ToString("X2")   " ");//X十六进制  2两位数显示
                    }
                }
                else
                {
                    //直接按ASCII规则转换成字符串
                    builder.Append(Encoding.ASCII.GetString(buf)); //追加的形式添加到文本框末端，并滚动到最后。
                }
               
                if (checkBox1.Checked == false)
                {
                    this.txtReceive.AppendText(builder.ToString());//修改接收计数
                    recvNum.Text = recCnt.ToString("###,###,###,###");
                }
            }));
            m_IsReceiving = false;
        }

        /// <summary>
        /// 打开
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnOpen_Click(object sender, EventArgs e)
        {

            m_IsTryToClosePort = true;
            while (m_IsReceiving)
            {
                System.Windows.Forms.Application.DoEvents();
            }
            if (sp.IsOpen)
            {
                sp.Close();
                btnOpen.BackgroundImage = Image.FromFile("D:/vcshap_comm/uart_v0.2/uart/close.png");
                cmbPort.Enabled = true;     //关闭串口后才可以更改这些值
                cmbBaudRate.Enabled = true;
                cmbDataBits.Enabled = true;
                cmbStopBit.Enabled = true;
                cmbParity.Enabled = true; 
            }
            else            
            {
                sp.PortName = cmbPort.Text;
                sp.BaudRate = int.Parse(cmbBaudRate.Text);
                sp.DataBits = int.Parse(cmbDataBits.Text);
                sp.StopBits = (StopBits)int.Parse(cmbStopBit.Text);
                sp.ReadBufferSize = 80000000;
                sp.ReadTimeout = 100;
                sp.ReceivedBytesThreshold = 1;
                
                try
                {
                    sp.Open();
                    sp.DataReceived  = DataReceivedHandler;
                    Image img = Image.FromFile("D:/vcshap_comm/uart_v0.2/uart/open.png");
                    btnOpen.BackgroundImage = img;
                    cmbPort.Enabled = false;
                    cmbBaudRate.Enabled = false;
                    cmbDataBits.Enabled = false;
                    cmbStopBit.Enabled = false;
                    cmbParity.Enabled = false; 
                }
                catch (Exception eee)
                {
                    Console.WriteLine(eee);
                    MessageBox.Show(sp.PortName   "正在使用");
                }
            }
            m_IsTryToClosePort = false;
        }

        /// <summary>
        /// 发送
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnSend_Click(object sender, EventArgs e)
        {
            if (sp.IsOpen)
            {
                if (txtSend.Text.Trim() == String.Empty)
                {
                    MessageBox.Show("2B 空是不能发送的!");
                }
                else
                {
                    sp.Write(txtSend.Text);
                }
            }
            else {
                MessageBox.Show("猪头 串口还没有打开!");
            }
            
                  
        }
        
        /// <summary>
        /// 关闭
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void Form1_FormClosing(object sender, FormClosingEventArgs e)
        {
            sp.Close();
        }

        private void textBox1_TextChanged(object sender, EventArgs e)
        {
        }

        private void label3_Click(object sender, EventArgs e)
        {
            MessageBox.Show("版权归陈连鹏所有,哈哈!");
        }

        private void txtReceive_TextChanged(object sender, EventArgs e)
        {
            //txtReceive.Text = strRecieve1;
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            //串口
            string[] ports = SerialPort.GetPortNames();
            
            foreach (string port in ports)
            {
                cmbPort.Items.Add(port);
            }
            
            cmbPort.SelectedIndex = 0;
            //波特率
            cmbBaudRate.Items.Clear();
            cmbBaudRate.Items.Add("9600");
            cmbBaudRate.Items.Add("38400");
            cmbBaudRate.Items.Add("115200");
            cmbBaudRate.Items.Add("912600");
            cmbBaudRate.SelectedIndex = 3;
            //数据位
            cmbDataBits.Items.Clear();
            cmbDataBits.Items.Add("8");
            cmbDataBits.SelectedIndex = 0;
            //停止位
            cmbStopBit.Items.Clear();
            cmbStopBit.Items.Add("1");
            cmbStopBit.SelectedIndex = 0;
            //校验位
            cmbParity.Items.Clear();
            cmbParity.Items.Add("无");
            cmbParity.SelectedIndex = 0;
            
            Image img = Image.FromFile("D:/vcshap_comm/uart_v0.2/uart/close.png");
            btnOpen.BackgroundImage = img;
            cmbPort.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
            cmbBaudRate.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
            cmbDataBits.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
            cmbStopBit.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
            cmbParity.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList; 
        }
        private void label10_Click(object sender, EventArgs e)
        {

        }

        private void cmbPort_SelectedIndexChanged(object sender, EventArgs e)
        {
            
        }

        private void label10_Click_1(object sender, EventArgs e)
        {

        }

        private void label9_Click(object sender, EventArgs e)
        {

        }

        private void label9_Click_1(object sender, EventArgs e)
        {

        }

        private void button1_Click(object sender, EventArgs e)
        {

        }

        private void button1_Click_1(object sender, EventArgs e)
        {
            if ((recvNum.Text == "0")  &&(txtReceive.TextLength == 0))
            {
                MessageBox.Show("亲,你好萌,木数据是不用清的哦^_^");
            }else{
                recvNum.Text = "0";
                recCnt = 0;
                txtReceive.Text = null;
            }
        }

        private void cmbStopBit_SelectedIndexChanged(object sender, EventArgs e)
        {

        }

        private void checkBox1_CheckedChanged(object sender, EventArgs e)
        {

        }

        private void save_Click(object sender, EventArgs e)
        {
            if (saveFileDialog1.ShowDialog() == DialogResult.OK)
            {
                
                    MessageBox.Show("Saved");
            }
        }

        private void cmbBaudRate_SelectedIndexChanged(object sender, EventArgs e)
        {

        }



                


    }
}