void AutoScan()
{
try
{
ComSerial.ReadTimeout = 100;
//ComPortList = SerialPort.GetPortNames();
//foreach (string port in ComPortList)
//{
// ComSerial.PortName = port.ToString();
//}
ComSerial.PortName = SerialPort.GetPortNames().LastOrDefault();
//Comport = ComSerial.PortName;
//GetRoomAssignment(ComSerial.PortName);
ComSerial.BaudRate = 9600;
ComSerial.DataBits = 8;
ComSerial.Parity = Parity.None;
ComSerial.StopBits = StopBits.One;
ComSerial.Close();
ComSerial.Open();
ComSerial.DataReceived += new SerialDataReceivedEventHandler(ComSerial_DataReceived);
}
catch (Exception ex)
{
ComSerial.Close();
}
}
private void button_CanCom_Click(object sender, EventArgs e)
{
ComboBox box = comboBox_CanCom;
ComSerial com = my_can;
if (box.Enabled)
{
if (box.SelectedIndex >= 0)
{
string name = box.SelectedItem.ToString();
com.Open(name);
if (com.Is_Open())
{
box.Enabled = false;
return;
}
}
MessageBox.Show("请选择COM", "Err",
MessageBoxButtons.OK, MessageBoxIcon.Question);
}
else
{
com.Close();
box.Enabled = true;
}
}
void ComSerial_DataReceived(object sender, SerialDataReceivedEventArgs e)
{
try
{
Disp = ComSerial.ReadExisting();
this.Invoke(new EventHandler(_dis));
}
catch (Exception ex)
{
}
}
void ComSerial_DataReceived(object sender, SerialDataReceivedEventArgs e)
{
try
{
Disp = ComSerial.ReadLine().Replace("\r", string.Empty);
this.Invoke(new EventHandler(_dis));
}
catch (Exception ex)
{
}
}
void AutoScan()
{
try
{
ComPortList = SerialPort.GetPortNames();
foreach (string port in ComPortList)
{
ComSerial.PortName = port.ToString();
PortAvailable = port.ToString();
}
ComSerial.PortName = txtComPort.Text;
ComSerial.Open();
if (!string.IsNullOrWhiteSpace(txtBaundRate.Text))
{
ComSerial.BaudRate = Convert.ToInt32(txtBaundRate.Text);
}
if (!string.IsNullOrWhiteSpace(cmbParity.Text))
{
ComSerial.Parity = SystemProperties.Getparity(cmbParity.Text);
}
if (!string.IsNullOrWhiteSpace(cmbStopBits.Text))
{
ComSerial.StopBits = SystemProperties.GetStopBit(cmbStopBits.Text);
}
if (!string.IsNullOrWhiteSpace(txtDataBits.Text))
{
ComSerial.DataBits = Convert.ToInt32(txtDataBits.Text);
}
//txtStatus.Text = "";
ComSerial.DataReceived += new SerialDataReceivedEventHandler(ComSerial_DataReceived);
//ComSerial.Close();
}
catch (Exception ex)
{
//ComSerial.Close();
//ComSerial.ReadTimeout = 100;
//ComSerial.PortName = PortAvailable;
//ComSerial.Open();
//ComSerial.BaudRate = 9600;
//ComSerial.Parity = Parity.None;
//ComSerial.StopBits = StopBits.One;
//ComSerial.DataBits = 8;
//ComSerial.DataReceived += new SerialDataReceivedEventHandler(ComSerial_DataReceived);
txtStatus.Text = "Available serial port: " + Environment.NewLine + PortAvailable + Environment.NewLine + Environment.NewLine + "Defaul settings:" + Environment.NewLine + " BoundRate: 9600, DataBits: 8,StopBits: One,Parity: None ";
AutoScanTimer.Stop();
AutoScanTimer.Enabled = false;
ComSerial.Close();
}
}
