//初始化端口函数
public Boolean initCOM()
{
String portName = "COM1";
if (ini.IniReadValue("设置", "portSelected") != "")
{
portName = ini.IniReadValue("设置", "portSelected");
}
int baudRate = 9600;
if (ini.IniReadValue("设置", "baudRate") != "")
{
baudRate = Int32.Parse(ini.IniReadValue("设置", "baudRate"));
}
int dataBits = 8;
if (ini.IniReadValue("设置", "dataBits") != "")
{
dataBits = Int32.Parse(ini.IniReadValue("设置", "dataBits"));
}
StopBits oStopBits = StopBits.One;
switch (ini.IniReadValue("设置", "stopBits"))
{
case "1":
oStopBits = StopBits.One;
break;
case "1.5":
oStopBits = StopBits.OnePointFive;
break;
case "2":
oStopBits = StopBits.Two;
break;
default:
oStopBits = StopBits.One;
break;
}
//无奇偶校验位
Parity oParity = Parity.None;
switch (ini.IniReadValue("设置", "parity"))
{
case "无":
oParity = Parity.None;
break;
case "奇校验":
oParity = Parity.Odd;
break;
case "偶校验":
oParity = Parity.Even;
break;
default:
oParity = Parity.None;
break;
}
int ReadTimeout = 100;
int WriteTimeout = -1;
comHelp = new COMHelper(portName, baudRate, oParity, dataBits, oStopBits, ReadTimeout, WriteTimeout);
if (!comHelp.IsOpen())
{
if (!comHelp.Open())
{
MessageBox.Show("端口打开失败", "提示");
//退出
return(false);
}
}
else
{
MessageBox.Show("端口被占用", "提示");
//退出
return(false);
}
comHelp.AddReceiveEventHanlder(comHelp.serialPort_DataReceived);//将接收到数据，处理数据的方法注册进去
comHelp.ReceiveDataHandler += rds_ReceiveDataHandler;
return(true);
}