public void Start()
{
Debug.Assert(m_Started == false);
if (!m_Started)
{
using (SerialPort serialPort = new SerialPort("COM" + m_SerialPortNumber.ToString()))
{
serialPort.Open();
serialPort.Close();
}
m_SerialPort = Win32Com.OpenCOM(m_SerialPortNumber);
if (m_SerialPort == (IntPtr)Win32Com.INVALID_HANDLE_VALUE)
{
throw new Exception("BillValidator : Не могу открыть порт");
}
if (!Win32Com.InitCOM(m_SerialPort, S_COM9600, 300))
{
throw new Exception("BillValidator : Не могу инициализировать порт");
}
m_Protocol = new CCCRSProtocol(m_SerialPort);
bool ret = m_Protocol.CmdPoll(m_PeriferalAddr);
ret = m_Protocol.CmdReset(m_PeriferalAddr);
ret = m_Protocol.CmdGetBillTable(m_PeriferalAddr);
Debug.Assert(m_PollThread.IsAlive == false);
m_PollThread.Start();
m_Started = true;
}
}
int SendCommand(Byte[] BufOut, ref Byte[] BufIn)
{
iRecievingError = RE_TIMEOUT;
for (int iErrCount = 0; iErrCount < 1; iErrCount++)
{
iBytesToRecieve = 6;
Win32Com.PurgeComm(m_SerialPort, Win32Com.PURGE_RXABORT | Win32Com.PURGE_TXABORT | Win32Com.PURGE_TXCLEAR | Win32Com.PURGE_RXCLEAR);
if (BufOut[2] == 0)
{
Win32Com.Send(m_SerialPort, BufOut, ((UInt16)BufOut[4] << 8) + BufOut[5]);
}
else
{
Win32Com.Send(m_SerialPort, BufOut, BufOut[2]);
}
if ((BufOut[3] == ACK) || (BufOut[3] == NAK))
{
return(iRecievingError = RE_NONE);
}
if (Win32Com.Recieve(m_SerialPort, out BufIn, iBytesToRecieve))
{
if (BufIn[0] != SYNC)
{
iRecievingError = RE_SYNC;
}
else
{
int iLen = ((BufIn[2] != 0) ? BufIn[2] : (BufIn[5] + ((UInt16)BufIn[4] << 8))) - iBytesToRecieve;
if (iLen > 0)
{
byte[] tmpBuf;
byte[] tmpBufEx;
//byte[] tmpBuf = new byte[BufIn.Length - iBytesToRecieve];
//Array.Copy(BufIn, iBytesToRecieve, tmpBuf, 0, tmpBuf.Length);
if (Win32Com.Recieve(m_SerialPort, out tmpBuf, iLen))
{
tmpBufEx = new byte[iBytesToRecieve + tmpBuf.Length];
Array.Copy(BufIn, 0, tmpBufEx, 0, iBytesToRecieve);
Array.Copy(tmpBuf, 0, tmpBufEx, iBytesToRecieve, tmpBuf.Length);
BufIn = tmpBufEx;
iRecievingError = RE_NONE;
break;
}
else
{
tmpBufEx = new byte[iBytesToRecieve + tmpBuf.Length];
Array.Copy(BufIn, 0, tmpBufEx, 0, iBytesToRecieve);
Array.Copy(tmpBuf, 0, tmpBufEx, iBytesToRecieve, tmpBuf.Length);
BufIn = tmpBufEx;
iRecievingError = RE_DATA;
Win32Com.PurgeComm(m_SerialPort, Win32Com.PURGE_RXABORT | Win32Com.PURGE_RXCLEAR);
}
}
else
{
iRecievingError = RE_NONE;
break;
}
}
}
}
return(iRecievingError);
}
private void Cleanup()
{
_StopThread();
Debug.Assert(m_SerialPort != null);
Win32Com.CloseCOM(m_SerialPort);
}
