public SerialPressureGauge()
{
m_SerialBase = new SerialBase();
m_SerialBase.DataReceived += OnDataReceived;
m_SerialBase.ReadCount = FRESHCMDCHECKBYTELENGTH;
m_FreshCmd = new byte[5] {
0x40, 0x30, 0x30, 0x31, 0x21
}; //@001！
}
protected void CheckPlugged(object com)
{
SerialBase serialPort = com as SerialBase;
serialPort.ReadCount = FRESHCMDCHECKBYTELENGTH;
bool bOpen = serialPort.Open();
if (!bOpen)
{
return;
}
SendFreshCmd(serialPort);
}
/// <summary>
/// 刷新已连接串口，并返回该串口号
/// </summary>
/// <returns>串口号</returns>
public string FreshCom(string portName = "")
{
m_PluggedPortName = "";
m_FreshEvent.Reset();
string connectedCom = string.Empty;
string[] portNames = new string[] { portName };
List <Thread> threadPool = new List <Thread>();
List <SerialBase> serialPortPool = new List <SerialBase>();
bufferByCom.Clear();
foreach (string port in portNames)
{
if (m_OccupancyComList.FindIndex((x) => { return(string.Compare(x, port, true) == 0); }) >= 0)
{
continue;
}
//开启多线程，每个串口开一个
bufferByCom.Add(port, new List <byte>());
Thread freshThread = new Thread(new ParameterizedThreadStart(CheckPlugged));
SerialBase serialPort = new SerialBase(port,
m_BaudRate,
m_DataBits,
m_StopBits,
m_Parity
);
serialPort.DataReceived += OnFreshDataReceived;
serialPortPool.Add(serialPort);
freshThread.Start(serialPort);
threadPool.Add(freshThread);
}
for (int i = 0; i < threadPool.Count; i++)
{
threadPool[i].Join();
}
if (m_FreshEvent.WaitOne(2000 /*WAITFOREVENTTIMEOUT*/))
{
}
for (int i = 0; i < serialPortPool.Count; i++)
{
serialPortPool[i].Close();
}
for (int i = 0; i < threadPool.Count; i++)
{
threadPool[i].Abort();
}
return(connectedCom = m_PluggedPortName);
}
public SerialPressureGauge(int baudRate, int dataBits, StopBits stopBits, Parity parity, string portName = "")
{
m_PortName = portName;
m_BaudRate = baudRate;
m_DataBits = dataBits;
m_StopBits = stopBits;
m_Parity = parity;
if (!string.IsNullOrEmpty(portName))
{
m_SerialBase = new SerialBase(portName, baudRate, dataBits, stopBits, parity);
m_SerialBase.DataReceived += OnDataReceived;
}
m_FreshCmd = new byte[5] {
0x40, 0x30, 0x30, 0x31, 0x21
}; //@001！
if (!string.IsNullOrEmpty(portName))
{
m_SerialBase.ReadCount = FRESHCMDCHECKBYTELENGTH;
}
}
protected void SendFreshCmd(SerialBase serialPort)
{
serialPort.SendData(m_FreshCmd);
}