bool
LXDevice::ParseNMEA(const char *String, NMEAInfo &info)
{
if (!VerifyNMEAChecksum(String))
return false;
NMEAInputLine line(String);
char type[16];
line.Read(type, 16);
if (StringIsEqual(type, "$LXWP0"))
return LXWP0(line, info);
if (StringIsEqual(type, "$LXWP1")) {
/* if in pass-through mode, assume that this line was sent by the
secondary device */
DeviceInfo &device_info = mode == Mode::PASS_THROUGH
? info.secondary_device
: info.device;
LXWP1(line, device_info);
const bool saw_v7 = device_info.product.equals("V7");
const bool saw_nano = device_info.product.equals("NANO");
const bool saw_lx16xx = device_info.product.equals("1606") ||
device_info.product.equals("1600");
if (mode == Mode::PASS_THROUGH) {
/* in pass-through mode, we should never clear the V7 flag,
because the V7 is still there, even though it's "hidden"
currently */
is_v7 |= saw_v7;
is_nano |= saw_nano;
is_lx16xx |= saw_lx16xx;
is_forwarded_nano = saw_nano;
} else {
is_v7 = saw_v7;
is_nano = saw_nano;
is_lx16xx = saw_lx16xx;
}
if (saw_v7 || saw_nano || saw_lx16xx)
is_colibri = false;
return true;
}
if (StringIsEqual(type, "$LXWP2"))
return LXWP2(line, info);
if (StringIsEqual(type, "$LXWP3"))
return LXWP3(line, info);
if (StringIsEqual(type, "$PLXV0")) {
is_v7 = true;
is_colibri = false;
return PLXV0(line, v7_settings);
}
if (StringIsEqual(type, "$PLXVC")) {
is_nano = true;
is_colibri = false;
PLXVC(line, info.device, info.secondary_device, nano_settings);
is_forwarded_nano = info.secondary_device.product.equals("NANO");
return true;
}
if (StringIsEqual(type, "$PLXVF")) {
is_v7 = true;
is_colibri = false;
return PLXVF(line, info);
}
if (StringIsEqual(type, "$PLXVS")) {
is_v7 = true;
is_colibri = false;
return PLXVS(line, info);
}
return false;
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/// Parses LXWPn sentences.
///
/// @param d device descriptor
/// @param sentence received NMEA sentence
/// @param info GPS info to be updated
///
/// @retval true if the sentence has been parsed
///
//static
BOOL DevLXV7::ParseNMEA(PDeviceDescriptor_t d, TCHAR* sentence, NMEA_INFO* info)
{
static int i=40;
TCHAR szTmp[256];
if (_tcsncmp(_T("$LXWP2"), sentence, 6) == 0)
{
if(iLXV7_RxUpdateTime > 0)
{
iLXV7_RxUpdateTime--;
}
else
{
if(fabs(LXV7_oldMC - MACCREADY)> 0.005f)
{
LXV7PutMacCready( d, MACCREADY);
LXV7_oldMC = MACCREADY;
LXV7_MacCreadyUpdateTimeout = 2;
}
}
}
/* configure LX after 10 GPS positions */
if (_tcsncmp(_T("$GPGGA"), sentence, 6) == 0)
{
if(i++ > 4)
{
SetupLX_Sentence(d);
i=0;
}
}
static int oldQFEOff =0;
static int iOldQNH =0;
int iQNH = (int)(QNH*100.0);
if(iQNH != iOldQNH)
{
iOldQNH = iQNH;
_stprintf(szTmp, TEXT("$PLXV0,QNH,W,%i"),(int)iQNH);
LXV7NMEAddCheckSumStrg(szTmp);
d->Com->WriteString(szTmp);
}
int QFE = (int)QFEAltitudeOffset;
if(QFE != oldQFEOff)
{
oldQFEOff = QFE;
_stprintf(szTmp, TEXT("$PLXV0,ELEVATION,W,%i"),(int)(QFEAltitudeOffset));
LXV7NMEAddCheckSumStrg(szTmp);
// d->Com->WriteString(szTmp);
}
if(LXV7_iGPSBaudrate ==0)
{
_stprintf(szTmp, TEXT("$PLXV0,BRGPS,R"));
LXV7NMEAddCheckSumStrg(szTmp);
d->Com->WriteString(szTmp);
}
if (_tcsncmp(_T("$PLXVF"), sentence, 6) == 0)
return PLXVF(d, sentence + 7, info);
else
if (_tcsncmp(_T("$PLXVS"), sentence, 6) == 0)
return PLXVS(d, sentence + 7, info);
else
if (_tcsncmp(_T("$PLXV0"), sentence, 6) == 0)
return PLXV0(d, sentence + 7, info);
else
if (_tcsncmp(_T("$LXWP0"), sentence, 6) == 0)
return LXWP0(d, sentence + 7, info);
else
if (_tcsncmp(_T("$LXWP1"), sentence, 6) == 0)
return LXWP1(d, sentence + 7, info);
else
if (_tcsncmp(_T("$LXWP2"), sentence, 6) == 0)
return LXWP2(d, sentence + 7, info);
else
if (_tcsncmp(_T("$LXWP3"), sentence, 6) == 0)
return LXWP3(d, sentence + 7, info);
else
if (_tcsncmp(_T("$LXWP4"), sentence, 6) == 0)
return LXWP4(d, sentence + 7, info);
return(false);
} // ParseNMEA()