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C# 实战串口助手完成！ ----------------------------不竭余力，方能成长！-----------WHAPPY

源码：我会分享开源平台，可以艾特me！（2025/3/5）时间紧张任务中！

文章上所说的串口助手，工程文件资源-CSDN文库

完善功能

代码展示：

DTR功能

 private void DTR_chb_CheckedChanged(object sender, EventArgs e){if (DTR_chb.CheckState == CheckState.Checked){serialPort1.DtrEnable = true;}else{serialPort1.DtrEnable = false;}}

RTS功能

 private void RTS_chb_CheckedChanged(object sender, EventArgs e){if (RTS_chb.CheckState == CheckState.Checked){serialPort1.RtsEnable = true;}else{serialPort1.RtsEnable = false;}}

状态

private void serialPort1_DataReceived(object sender, SerialDataReceivedEventArgs e)
{if (isRxShow == false) return;// 1,需要读取有效的数据 BytesToReadbyte[] dataTemp = new byte[serialPort1.BytesToRead];serialPort1.Read(dataTemp, 0, dataTemp.Length);reciveBuffer.AddRange(dataTemp);reciveCount += dataTemp.Length;this.Invoke(new EventHandler(delegate{// 显示接收数据的长度Receive_count_tssl.Text = reciveCount.ToString();if (startData_chb.Checked == false){if (!Receive_Hex_chb.Checked){// 2, 编码格式的选择string str = Encoding.GetEncoding("gb2312").GetString(dataTemp);// 3，0x00 -> \0 结束 不会显示str = str.Replace("\0", "\\0");Receive_rtb.AppendText(str);// recive_rtb.AppendText(Encoding.GetEncoding("gb2312").GetString(dataTemp).Replace("\0", "\\0"));}else{//  十六进制是选中的状态下Receive_rtb.AppendText(Transform.ToHexString(dataTemp, " "));}}else{// 解析数据 queueforeach (byte item in dataTemp){// 入列bufferQueue.Enqueue(item);}// 解析获取帧头if (isHeadRecive == false){foreach (byte item in bufferQueue.ToArray()){if (item != 0x7f){// 出列bufferQueue.Dequeue();Console.WriteLine("not 0x7f, Dequeue !!");}else{// get 0x7f from bufferQueueisHeadRecive = true;Console.WriteLine("0x7f is recived !!");break;}}}if (isHeadRecive == true){// 判断有数据帧长度if (bufferQueue.Count >= 2){Console.WriteLine(DateTime.Now.ToLongTimeString());Console.WriteLine($"show the data in bufferQueue{Transform.ToHexString(bufferQueue.ToArray())}");Console.WriteLine($"frame lenth ={String.Format("{0:X2}", bufferQueue.ToArray()[1])}");frameLenth = bufferQueue.ToArray()[1];// 一帧完整的数据长度判断，不代表数据是正确的if (bufferQueue.Count >= 1 + 1 + frameLenth + 2){byte[] frameBuffer = new byte[1 + 1 + frameLenth + 2];Array.Copy(bufferQueue.ToArray(), 0, frameBuffer, 0, frameBuffer.Length);if (crc_chech(frameBuffer)){Console.WriteLine("frame is check ok,pick it");data_txb.Text = Transform.ToHexString(frameBuffer);data1_txb.Text = String.Format("{0:X2}", frameBuffer[2]);data2_txb.Text = String.Format("{0:X2}", frameBuffer[3]);data3_txb.Text = String.Format("{0:X2}", frameBuffer[4]);data4_txb.Text = String.Format("{0:X2}", frameBuffer[5]);}else{// 无效数据Console.WriteLine("bad frame, drop it");}for (int i = 0; i < 1 + 1 + frameLenth + 2; i++){bufferQueue.Dequeue();}isHeadRecive = false;}}//接续接收数据}}}));
}

清空计数

private void Clear_count_tssl_Click(object sender, EventArgs e)
{// 清空发送区sendBuffer.Clear();sendCount = 0;Send_count_tssl.Text = "0";// 清空接收区reciveBuffer.Clear();Receive_rtb.Text = "";Receive_count_tssl.Text = "0";
}

选择路径

 private void Select_path_btn_Click(object sender, EventArgs e){FolderBrowserDialog fbDialog = new FolderBrowserDialog();if (fbDialog.ShowDialog() == DialogResult.OK){Receive_Text_tbx.Text = fbDialog.SelectedPath;}}

保存数据

 private void Save_data_btn_Click(object sender, EventArgs e){if (Receive_rtb.Text == ""){return;}string fileName = Receive_Text_tbx.Text + "\\" + DateTime.Now.ToString("yyyyMMddhhmmss") + ".txt";StreamWriter sw = new StreamWriter(fileName);sw.Write(Receive_rtb.Text);sw.Flush();sw.Close();MessageBox.Show("保存成功！");}

打开文件

 private void Open_File_btn_Click(object sender, EventArgs e){OpenFileDialog ofDialog = new OpenFileDialog();ofDialog.Title = "请选择文件";ofDialog.Filter = "文本文件(*.txt)|*.txt";ofDialog.RestoreDirectory = true;if (ofDialog.ShowDialog() == DialogResult.OK){string fileName = ofDialog.FileName;// string select Send_File_btn.Text = fileName;StreamReader sr = new StreamReader(fileName, Encoding.GetEncoding("gb2312"));strRead = sr.ReadToEnd();Send_rtb.Text = strRead;sr.Close();}}

发送文件

  private void Send_File_btn_Click(object sender, EventArgs e){if (strRead == ""){MessageBox.Show("请先选择文件！");return;}try{byte[] data = Encoding.GetEncoding("gb2312").GetBytes(strRead);sendCount += data.Length;Send_count_tssl.Text = sendCount.ToString();int pagenum = data.Length / 4096;int remaind = data.Length % 4096;for (int i = 0; i < pagenum; i++){serialPort1.Write(data, (i * 4096), 4096);Thread.Sleep(10);}if (remaind > 0){serialPort1.Write(data, (pagenum * 4096), remaind);}}catch (Exception ex){MessageBox.Show("发送数据失败" + ex.Message.ToString(), "错误");}}

展示效果

完结！   源码已经开源！！！！！！！