public void Close()
{
if (handle_ == WinAPI.INVALID_HANDLE_VALUE)
{
return;
}
/* ポートクローズ */
if (handle_ != WinAPI.INVALID_HANDLE_VALUE)
{
WinAPI.CloseHandle(handle_);
handle_ = WinAPI.INVALID_HANDLE_VALUE;
}
error_stat_ = 0;
comstat_ = new WinAPI.COMSTAT();
}
public bool Setup()
{
if (handle_ == WinAPI.INVALID_HANDLE_VALUE)
{
return(false);
}
/* === COMポート設定読み込み === */
var dcb = new WinAPI.DCB();
WinAPI.GetCommState(handle_, out dcb);
/* Baudrate */
dcb.BaudRate = BaudRate;
/* Parity */
switch (Parity)
{
case SerialPortParity.None: dcb.Parity = WinAPI.NOPARITY; break;
case SerialPortParity.Odd: dcb.Parity = WinAPI.ODDPARITY; break;
case SerialPortParity.Even: dcb.Parity = WinAPI.EVENPARITY; break;
case SerialPortParity.Mark: dcb.Parity = WinAPI.MASKPARITY; break;
case SerialPortParity.Space: dcb.Parity = WinAPI.SPACEPARITY; break;
default: dcb.Parity = WinAPI.NOPARITY; break;
}
/* BitSize */
dcb.ByteSize = (byte)DataBits;
/* StopBits */
switch (StopBits)
{
case SerialPortStopBits.One: dcb.StopBits = WinAPI.ONESTOPBIT; break;
case SerialPortStopBits.OnePointFive: dcb.StopBits = WinAPI.ONE5STOPBITS; break;
case SerialPortStopBits.Two: dcb.StopBits = WinAPI.TWOSTOPBIT; break;
default: dcb.StopBits = WinAPI.ONESTOPBIT; break;
}
/* Simplex Mode */
simplex_mode_ = SimplexMode;
loop_data_size_ = 0;
/* バイナリモード */
dcb.fBinary = 1;
dcb.fOutxCtsFlow = (fOutxCtsFlow) ? (1U) : (0U);
dcb.fOutxDsrFlow = (fOutxDsrFlow) ? (1U) : (0U);
dcb.fDsrSensitivity = (fDsrSensitivity) ? (1U) : (0U);
dcb.fTXContinueOnXoff = (fTXContinueOnXoff) ? (1U) : (0U);
dcb.fOutX = (fOutX) ? (1U) : (0U);
dcb.fInX = (fInX) ? (1U) : (0U);
switch (fDtrControl)
{
case fDtrControlType.DTR_CONTROL_DISABLE: dcb.fDtrControl = WinAPI.DTR_CONTROL_DISABLE; break;
case fDtrControlType.DTR_CONTROL_ENABLE: dcb.fDtrControl = WinAPI.DTR_CONTROL_ENABLE; break;
case fDtrControlType.DTR_CONTROL_HANDSHAKE: dcb.fDtrControl = WinAPI.DTR_CONTROL_HANDSHAKE; break;
}
switch (fRtsControl)
{
case fRtsControlType.RTS_CONTROL_DISABLE: dcb.fRtsControl = WinAPI.RTS_CONTROL_DISABLE; break;
case fRtsControlType.RTS_CONTROL_ENABLE: dcb.fRtsControl = WinAPI.RTS_CONTROL_ENABLE; break;
case fRtsControlType.RTS_CONTROL_HANDSHAKE: dcb.fRtsControl = WinAPI.RTS_CONTROL_HANDSHAKE; break;
case fRtsControlType.RTS_CONTROL_TOGGLE: dcb.fRtsControl = WinAPI.RTS_CONTROL_TOGGLE; break;
}
dcb.XonLim = XonLim;
dcb.XoffLim = XoffLim;
dcb.XonChar = XonChar;
dcb.XoffChar = XoffChar;
/* === COMポート設定更新 === */
if (!WinAPI.SetCommState(handle_, ref dcb))
{
return(false);
}
if (!WinAPI.SetupComm(handle_, (uint)InQueue, (uint)OutQueue))
{
return(false);
}
/* === タイムアウト設定 === */
var timeout = new WinAPI.COMMTIMEOUTS();
#if false
timeout.ReadIntervalTimeout = 0;
timeout.ReadTotalTimeoutMultiplier = 0;
timeout.ReadTotalTimeoutConstant = 10;
#else
timeout.ReadIntervalTimeout = 0;
timeout.ReadTotalTimeoutMultiplier = 0;
timeout.ReadTotalTimeoutConstant = 5;
#endif
timeout.WriteTotalTimeoutConstant = 5;
WinAPI.SetCommTimeouts(handle_, ref timeout);
/* === イベント設定 === */
if (!WinAPI.SetCommMask(
handle_,
// WinAPI.EV_BREAK
// | WinAPI.EV_CTS
// | WinAPI.EV_DSR
// | WinAPI.EV_ERR
// | WinAPI.EV_RING
// | WinAPI.EV_RLSD
WinAPI.EV_RXCHAR
// | WinAPI.EV_RXFLAG
// | WinAPI.EV_TXEMPTY
)
)
{
return(false);
}
error_stat_ = 0;
comstat_ = new WinAPI.COMSTAT();
return(true);
}