DWORD GpsIdPort::RxThread() {
DWORD rc = 0;
const int nh = 2;
HANDLE handles[nh] = {0};
handles[0] = _hLoc;
handles[1] = _hState;
GPS_POSITION loc = {0};
GPSResetData(loc);
GPS_DEVICE dev = {0};
GPSResetData(dev);
bool listen = true;
while (listen && !StopEvt.tryWait(0)) {
DWORD dw = ::WaitForMultipleObjects(nh, handles, FALSE, 100);
switch (dw) {
case WAIT_OBJECT_0:
rc = GPSGetPosition(_hGPS, &loc, 10000, 0);
if(ERROR_SUCCESS == rc) {
AddStatRx(1);
NMEAParser::ParseGPS_POSITION(GetPortIndex(), loc, GPS_INFO);
}
GPSResetData(loc);
break;
case WAIT_OBJECT_0 + 1:
rc = GPSGetDeviceState(&dev);
if(ERROR_SUCCESS == rc) {
AddStatRx(1);
StartupStore(_T("GPSID : DeviceState: %lX, ServiceState: %lX%s"), dev.dwDeviceState, dev.dwServiceState, NEWLINE);
}
GPSResetData(dev);
break;
case WAIT_FAILED:
listen = false;
rc = ::GetLastError();
break;
case WAIT_TIMEOUT:
break;
}
}
return rc;
}
size_t SerialPort::Read(void *szString, size_t size) {
if (hPort != INVALID_HANDLE_VALUE) {
DWORD dwBytesTransferred = 0U;
if (ReadFile(hPort, szString, size, &dwBytesTransferred, (OVERLAPPED *) NULL)) {
AddStatRx(dwBytesTransferred);
return dwBytesTransferred;
}
}
return 0U;
}
