bool GpsIdPort::Initialize() {
_hLoc = ::CreateEvent(NULL, FALSE, FALSE, NULL);
_hState = ::CreateEvent(NULL, FALSE, FALSE, NULL);
_hGPS = ::GPSOpenDevice(_hLoc, _hState, NULL, 0);
if (0 == _hGPS) {
StartupStore(_T("Unable to Open GPS Intermediate driver %s"), NEWLINE);
return false;
}
SetPortStatus(CPS_OPENOK);
GPS_DEVICE dev = {0};
GPSResetData(dev);
GPSGetDeviceState(&dev);
StartupStore(_T("GPSID : DeviceState: %lX, ServiceState: %lX%s"), dev.dwDeviceState, dev.dwServiceState, NEWLINE);
// StartupStore(_T("GPSID : LastDataTime: %s%s"), dev.ftLastDataReceived, NEWLINE);
StartupStore(_T("GPSID : DrvPrefix; %s%s"), dev.szGPSDriverPrefix, NEWLINE);
StartupStore(_T("GPSID : MxPrefix %s%s"), dev.szGPSMultiplexPrefix, NEWLINE);
StartupStore(_T("GPSID : Name:%s%s"), dev.szGPSFriendlyName, NEWLINE);
if (!StartRxThread()) {
StartupStore(_T(". ComPort %u <%s> Failed to start Rx Thread%s"), GetPortIndex() + 1, GetPortName(), NEWLINE);
return false;
}
return true;
}
void SerialPort::UpdateStatus() {
DWORD dwErrors = 0;
COMSTAT comStat = {0};
if(hPort != INVALID_HANDLE_VALUE) {
ClearCommError(hPort, &dwErrors, &comStat);
if (dwErrors & CE_FRAME) {
//StartupStore(_T("... Com port %d, dwErrors=%ld FRAME (old status=%d)\n"),
// GetPortIndex(),dwErrors,ComPortStatus[GetPortIndex()]);
SetPortStatus(CPS_EFRAME);
AddStatErrRx(1);
valid_frames = 0;
} else {
if (++valid_frames > 10) {
valid_frames = 20;
SetPortStatus(CPS_OPENOK);
}
}
}
}
