public ComInfo()
{
a_comValue = new ComValue();
}
/// <summary>
/// 读取XML配置文件的参数设置，获取下载的TXT文件路径与上传的数据文件路径
/// </summary>
/// <returns></returns>
private void MyOpenCOM(ref SerialPort m_serialPort, ref ComValue m_comValue)
{
try
{
// Allow the user to set the appropriate properties.
m_serialPort.PortName = a_comInfo.a_comValue.comName;
m_serialPort.BaudRate = Convert.ToInt16(m_comValue.comBand);
switch (m_comValue.comParity)
{
case "n":
m_serialPort.Parity = Parity.None;
break;
case "o":
m_serialPort.Parity = Parity.Odd;
break;
case "e":
m_serialPort.Parity = Parity.Even;
break;
default:
m_serialPort.Parity = Parity.None;
break;
}
m_serialPort.DataBits = 8;
m_serialPort.StopBits = StopBits.One;
m_serialPort.ReadTimeout = 2000; //读超时。2秒未读到数据，即引发读超时异常。
m_serialPort.WriteTimeout = 2000; //写超时，2秒未读到数据，即引发写超时异常。
m_serialPort.ReadBufferSize = 1024; //数据读缓存
m_serialPort.WriteBufferSize = 1024; //数据写缓存
m_serialPort.ReceivedBytesThreshold =checked((int)a_itfaceInfo.recBitNum);
m_serialPort.DataReceived += new SerialDataReceivedEventHandler(SerialPort_DataReceived);
m_serialPort.Open();
}
catch (System.Exception e)
{
LogHelper.WriteLog(null, e as Exception);
//throw (e);
}
}