C# 串口调试助手

【实例截图】

【核心代码】

    private void InitializeCOMCombox()
        {
            //BaudRate
            baudRateCbx.Items.Add(4800);
            baudRateCbx.Items.Add(9600);
            baudRateCbx.Items.Add(19200);
            baudRateCbx.Items.Add(38400);
            baudRateCbx.Items.Add(57600);
            baudRateCbx.Items.Add(115200);
            baudRateCbx.Items.ToString();
            //get 9600 print in text
            baudRateCbx.Text = baudRateCbx.Items[1].ToString();

            //Data bits
            dataBitsCbx.Items.Add(7);
            dataBitsCbx.Items.Add(8);
            //get the 8bit item print it in the text 
            dataBitsCbx.Text = dataBitsCbx.Items[1].ToString();

            //Stop bits
            stopBitsCbx.Items.Add("One");
            stopBitsCbx.Items.Add("OnePointFive");
            stopBitsCbx.Items.Add("Two");
            //get the One item print in the text
            stopBitsCbx.Text = stopBitsCbx.Items[0].ToString();

            //Parity
            parityCbx.Items.Add("None");
            parityCbx.Items.Add("Even");
            parityCbx.Items.Add("Mark");
            parityCbx.Items.Add("Odd");
            parityCbx.Items.Add("Space");
            //get the first item print in the text
            parityCbx.Text = parityCbx.Items[0].ToString();

            //Handshaking
            handshakingcbx.Items.Add("None");
            handshakingcbx.Items.Add("XOnXOff");
            handshakingcbx.Items.Add("RequestToSend");
            handshakingcbx.Items.Add("RequestToSendXOnXOff");
            handshakingcbx.Text = handshakingcbx.Items[0].ToString();

            //Com Ports
            string[] ArrayComPortsNames = SerialPort.GetPortNames();
            if (ArrayComPortsNames.Length == 0)
            {
                statuslabel.Text = "No COM found !";
                openCloseSpbtn.Enabled = false;
            }
            else
            {
                Array.Sort(ArrayComPortsNames);
                for (int i = 0; i < ArrayComPortsNames.Length; i  )
                {
                    comListCbx.Items.Add(ArrayComPortsNames[i]);
                }
                comListCbx.Text = ArrayComPortsNames[0];
                openCloseSpbtn.Enabled = true;
            }
        }

        /// <summary>
        /// update status bar
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        public void OpenComEvent(Object sender, SerialPortEventArgs e)
        {
            if (this.InvokeRequired)
            {
                Invoke(new Action<Object, SerialPortEventArgs>(OpenComEvent), sender, e);
                return;
            }

            if (e.isOpend)  //Open successfully
            {
                statuslabel.Text = comListCbx.Text   " Opend";
                openCloseSpbtn.Text = "Close";
                sendbtn.Enabled = true;
                autoSendcbx.Enabled = true;
                autoReplyCbx.Enabled = true;

                comListCbx.Enabled = false;
                baudRateCbx.Enabled = false;
                dataBitsCbx.Enabled = false;
                stopBitsCbx.Enabled = false;
                parityCbx.Enabled = false;
                handshakingcbx.Enabled = false;
                refreshbtn.Enabled = false;

                if (autoSendcbx.Checked)
                {
                    autoSendtimer.Start();
                    sendtbx.ReadOnly = true;
                }
            }
            else    //Open failed
            {
                statuslabel.Text = "Open failed !";
                sendbtn.Enabled = false;
                autoSendcbx.Enabled = false;
                autoReplyCbx.Enabled = false;
            }
        }