/// <summary>
/// 创建一个串口通信实例
/// </summary>
/// <param name="portName">串口名</param>
/// <param name="baudRate">波特率</param>
/// <param name="parity">校验，偶校验(2) 无校验(0) 奇校验(1)</param>
/// <param name="stopBits">停止位，1停止位(0) 1.5停止位(1) 2停止位(2)</param>
/// <param name="flowControl">流量控制类型</param>
public XKserialPort(string portName, int baudRate = 9600, byte parity = 0, byte stopBits = 0, FlowControlType flowControl = FlowControlType.None)
{
this.BaudRate = baudRate;
this.Parity = parity;
this.StopBits = stopBits;
this.PortName = portName;
this.FlowControl = flowControl;
overlapped = new OVERLAPPED();
Open(); //打开端口
SetupComm((int)(hPort.DangerousGetHandle()), 1024, 1024); //设置端口缓冲区大小
if (portName.ToUpper().IndexOf("COM") != -1)
{
//如果是串口
SetTimeOuts();//设置默认超时
//配置串口参数，波特率，无校验，1位停止位
DCB dcb = initDCB((int)(hPort.DangerousGetHandle()), BaudRate, Parity, StopBits, flowControl);
SetCommState((int)(hPort.DangerousGetHandle()), ref dcb);
}
//清空缓冲区
PurgeComm((int)(hPort.DangerousGetHandle()), PURGE_TXCLEAR);
//关闭端口
hPort.Close();
}
public BehaviorTree_ConditionFuncDecoratorControl(BehaviorTree_ConditionFuncDecoratorControlConstructionParams csParam)
: base(csParam)
{
InitConstruction();
NodeName = csParam.NodeName;
Inverse = csParam.Inverse;
FlowControl = csParam.FlowControl;
BindingTemplateClassInstanceProperties();
}
/// <summary>
/// 初始化DCB
/// </summary>
/// <param name="hComm">串口的句柄</param>
/// <param name="BaudRate">波特率</param>
/// <param name="Parity">奇偶校验</param>
/// <param name="StopBits">停止位</param>
/// <returns>初始化后的DCB</returns>
private DCB initDCB(int hComm, int BaudRate, byte Parity, byte StopBits, FlowControlType flowControl)
{
DCB dcbCommPort = new DCB();
// SET BAUD RATE, PARITY, WORD SIZE, AND STOP BITS.
GetCommState(hComm, ref dcbCommPort);
dcbCommPort.BaudRate = BaudRate;
if (Parity > 0)
{
dcbCommPort.flags |= 2;
}
switch (flowControl)
{
case FlowControlType.Hardware:
//开启DTR、RTS、CTS和DSR
dcbCommPort.flags = 8237;
break;
case FlowControlType.Software:
//开启XON/XOFF
dcbCommPort.flags &= 4294963200;
dcbCommPort.flags |= 897;
break;
case FlowControlType.None:
//关闭DTR、RTS、CTS和DSR
dcbCommPort.flags = 1;
break;
default:
break;
}
dcbCommPort.Parity = Parity;
dcbCommPort.ByteSize = 8;
dcbCommPort.StopBits = StopBits;
return(dcbCommPort);
}
