C#串口调试工具源码下载

public partial class SerialportSampleForm : Form { private SerialPort comm = new SerialPort(); 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。 private long received_count = 0;//接收计数 private long send_count = 0;//发送计数 public SerialportSampleForm() { InitializeComponent(); } //窗体初始化 private void Form1_Load(object sender, EventArgs e) { //初始化下拉串口名称列表框 string[] ports = SerialPort.GetPortNames(); Array.Sort(ports); comboPortName.Items.AddRange(ports); comboPortName.SelectedIndex = comboPortName.Items.Count > 0 ? 0 : -1; comboBaudrate.SelectedIndex = comboBaudrate.Items.IndexOf("9600"); //初始化SerialPort对象 comm.NewLine = "\r\n"; comm.RtsEnable = true;//根据实际情况吧。 //添加事件注册 comm.DataReceived = comm_DataReceived; } void comm_DataReceived(object sender, SerialDataReceivedEventArgs e) { int n = comm.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 received_count = n;//增加接收计数 comm.Read(buf, 0, n);//读取缓冲数据 builder.Remove(0, builder.Length);//清除字符串构造器的内容 //因为要访问ui资源，所以需要使用invoke方式同步ui。 this.Invoke((EventHandler)(delegate { //判断是否是显示为16禁止 if (checkBoxHexView.Checked) { //依次的拼接出16进制字符串 foreach (byte b in buf) { builder.Append(b.ToString("X2") " "); } } 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。 this.txGet.AppendText(builder.ToString()); //修改接收计数 labelGetCount.Text = "Get:" received_count.ToString(); })); } private SerialComm.ClSeriComm sc = new SerialComm.ClSeriComm(); private void buttonOpenClose_Click(object sender, EventArgs e) { double o_NetWeight = 0.0; double o_TareWeight = 0.0; string Weidata = ""; Weidata = sc.ReadData(); String[] Weidatas = Weidata.Split(new char[] { ',' }); //sc.ClosePort(); string Weight = Weidatas[1]; string TareW = Weidatas[2]; double o_Weight = System.Convert.ToDouble(Weight); //o_TareWeight = System.Convert.ToDouble(TareW); o_NetWeight = o_Weight - o_TareWeight; //SerialComm.ClSeriComm.ReadData(); //根据当前串口对象，来判断操作 if (comm.IsOpen) { //打开时点击，则关闭串口 comm.Close(); } else { //关闭时点击，则设置好端口，波特率后打开 comm.PortName = comboPortName.Text; comm.BaudRate = int.Parse(comboBaudrate.Text); try { comm.Open(); } catch(Exception ex) { //捕获到异常信息，创建一个新的comm对象，之前的不能用了。 comm = new SerialPort(); //现实异常信息给客户。 MessageBox.Show(ex.Message); } } //设置按钮的状态 buttonOpenClose.Text = comm.IsOpen ? "Close" : "Open"; buttonSend.Enabled = comm.IsOpen; } //动态的修改获取文本框是否支持自动换行。 private void checkBoxNewlineGet_CheckedChanged(object sender, EventArgs e) { txGet.WordWrap = checkBoxNewlineGet.Checked; } private void buttonSend_Click(object sender, EventArgs e) { //定义一个变量，记录发送了几个字节 int n = 0; //16进制发送 if (checkBoxHexSend.Checked) { //我们不管规则了。如果写错了一些，我们允许的，只用正则得到有效的十六进制数 MatchCollection mc = Regex.Matches(txSend.Text, @"(?i)[\da-f]{2}"); List<byte> buf = new List<byte>();//填充到这个临时列表中 //依次添加到列表中 foreach (Match m in mc) { buf.Add(byte.Parse(m.Value)); } //转换列表为数组后发送 comm.Write(buf.ToArray(), 0, buf.Count); //记录发送的字节数 n = buf.Count; } else//ascii编码直接发送 { //包含换行符 if (checkBoxNewlineSend.Checked) { comm.WriteLine(txSend.Text); n = txSend.Text.Length 2; } else//不包含换行符 { comm.Write(txSend.Text); n = txSend.Text.Length; } } send_count = n;//累加发送字节数 labelSendCount.Text = "Send:" send_count.ToString();//更新界面 } private void buttonReset_Click(object sender, EventArgs e) { //复位接受和发送的字节数计数器并更新界面。 send_count = received_count = 0; labelGetCount.Text = "Get:0"; labelSendCount.Text = "Send:0"; } }