/* Name: Modbus_FormClosing(object sender, FormClosingEventArgs e)
* Function: If the Form closed , then close all thread, and close the sp
* Return: void
*/
private void Modbus_FormClosing(object sender, FormClosingEventArgs e)
{
try
{
CloseFlag = true;
if (socket != null)
{
socket.Close();
}
if (tAcceptMsg != null)
{
tAcceptMsg.Abort();
}
if (SerialPortRecv != null)
{
SerialPortRecv.Abort();
}
if (Savethread != null)
{
Savethread.Abort();
}
//if (SerialPortSend != null)
// SerialPortSend.Abort();
if (sp != null)
{
if (sp.IsOpen)
{
sp.Close();
}
}
}
catch (Exception er)
{
MessageBox.Show("Error:" + er.Message, "Error");
}
}
private void Serial_OpenBtn_Click(object sender, EventArgs e)
{
try
{
if (Serial_OpenBtn.Text == "Open Serial")
{
if (sp.IsOpen)
{
sp.Close();
SerialPortRecv.Abort();
Serial_OpenBtn.Text = "Open Serial";
MessageBox.Show("Error ,the serial port opened already \nAnd it is closed now");
}
else
{
sp.PortName = comboPortName.Text; //设置串口号
sp.BaudRate = Convert.ToInt32(comboPortBaudRate.Text); //设置波特率
sp.DataBits = Convert.ToInt32(comboDataBits.Text); //设置数据位
//设置停止位
switch (comboStopBits.Text)
{
case "1":
sp.StopBits = StopBits.One;
break;
case "1.5":
sp.StopBits = StopBits.OnePointFive;
break;
case "2":
sp.StopBits = StopBits.Two;
break;
default:
MessageBox.Show("Error:参数不正确", "Error");
break;
}
//设置校验位
switch (comboParity.Text)
{
case "NONE":
sp.Parity = Parity.None;
break;
case "ODD":
sp.Parity = Parity.Odd;
break;
case "EVEN":
sp.Parity = Parity.Even;
break;
default:
MessageBox.Show("Error:参数不正确", "Error");
break;
}
/*-------- Set Time Out ---------*/
sp.ReadTimeout = 10;
sp.Open();
Serial_OpenBtn.Text = "Close Serial";
MessageBox.Show("Open serial successfully");
/* Thread serial port Recv start */
SerialPortRecv = new Thread(new ThreadStart(SpAcceptMessage));
SerialPortRecv.Start();
Spconnection = true;
/*------------ Rtu Data Init ------------*/
_Rtu_Data_Init();
}
}
else
{
/*------ Close Serial -------*/
sp.Close();
SerialPortRecv.Abort();
Spconnection = false;
Serial_OpenBtn.Text = "Open Serial";
MessageBox.Show("Close serial successfully");
}
}
catch (Exception er)
{
MessageBox.Show("Error:" + er.Message, "Error");
return;
}
}