//send by byte
public bool ctrlSend(byte[] by)
{
try
{
if (IsOpen() == false)
{
ctrlOpenCom();
}
SerialPort_Prefab.Write(by, 0, by.Length);
}
catch
{
return false;
}
return true;
}
//send by string
public bool ctrlSend(string strSend)
{
try
{
if (IsOpen() == false)
{
ctrlOpenCom();
}
SerialPort_Prefab.WriteLine(strSend);
}
catch
{
return false;
}
return true;
}
private void SerialPort_Prefab_DataReceived(object sender, SerialDataReceivedEventArgs e)
{
if (Closing) return;//正在关闭时，忽略
Listening = true;
string strShow = "";
try
{
if (SerialPort_Prefab.BytesToRead > 0)
{
Thread.Sleep(100);
strShow = SerialPort_Prefab.ReadExisting();
dataRecive = strShow;
SerialPort_Prefab.DiscardInBuffer();
IsReadedDate = true;
}
DelSetTxt del = new DelSetTxt(SetTxt);
Invoke(del, txtRecPort1, strShow);
Listening = false;
}
catch (Exception)
{
Listening = false;
}
}
//串口打开，关闭
public void ctrlOpenCom()
{
if (button_Open.Text == "打开串口")
{
try
{
if (!HasLoadPara)
{
LoadPara();
HasLoadPara = true;
}
SerialPort_Prefab.PortName = cmbPortName.Text.ToString(); ;
SerialPort_Prefab.BaudRate = Convert.ToInt32(cmbBaudRate.Text);
SerialPort_Prefab.DataBits = Convert.ToInt16(cmbDataBits.Text);
switch (cmbParity.Text)
{
case "EVEN":
SerialPort_Prefab.Parity = Parity.Even; break;
case "ODD":
SerialPort_Prefab.Parity = Parity.Odd; break;
case "NONE":
SerialPort_Prefab.Parity = Parity.None; break;
}
switch (cmbStopBits.Text)
{
case "NONE":
SerialPort_Prefab.StopBits = System.IO.Ports.StopBits.None; break;
case "One":
SerialPort_Prefab.StopBits = StopBits.One; break;
case "Two":
SerialPort_Prefab.StopBits = StopBits.Two; break;
}
SerialPort_Prefab.Open();
}
catch (Exception)
{
MessageBoxLog.Show("串口打开失败");
lblPortInd.BackColor = Color.Red;
return;
}
}
else// close port
{
button_Open.Text = "打开串口";
if (SerialPort_Prefab.IsOpen)
{
Closing = true;
while (Listening) Application.DoEvents();
SerialPort_Prefab.Close();
Closing = false;
lblPortInd.BackColor = Color.Red;
}
}
if (!SerialPort_Prefab.IsOpen)
{
bool bSetCtrl = true;
cmbPortName.Enabled = bSetCtrl;
cmbBaudRate.Enabled = bSetCtrl;
cmbDataBits.Enabled = bSetCtrl;
cmbParity.Enabled = bSetCtrl;
cmbStopBits.Enabled = bSetCtrl;
button_Send.Enabled = !bSetCtrl;
button_Clear.Enabled = !bSetCtrl;
lblPortInd.BackColor = Color.Red;
button_Open.Text = "打开串口";
//this.Text = strCtrlName ;
}
else
{
bool bSetCtrl = false;
cmbPortName.Enabled = bSetCtrl;
cmbBaudRate.Enabled = bSetCtrl;
cmbDataBits.Enabled = bSetCtrl;
cmbParity.Enabled = bSetCtrl;
cmbStopBits.Enabled = bSetCtrl;
button_Send.Enabled = !bSetCtrl;
button_Clear.Enabled = !bSetCtrl;
lblPortInd.BackColor = Color.Green;
button_Open.Text = "关闭串口";
}
}
