bool BEC::Parse( const SENTENCE& sentence )
{
/*
** BEC - Bearing & Distance to Waypoint - Dead Reckoning
** 12
** 1 2 3 4 5 6 7 8 9 10 11| 13
** | | | | | | | | | | | | |
** $--BEC,hhmmss.ss,llll.ll,a,yyyyy.yy,a,x.x,T,x.x,M,x.x,N,c--c*hh<CR><LF>
*/
/*
** First we check the checksum...
*/
if ( sentence.IsChecksumBad( 13 ) == True )
{
SetErrorMessage( "Invalid Checksum" );
return( false );
}
UTCTime = sentence.Field( 1 );
Time = sentence.Time( 1 );
Position.Parse( 2, 3, 4, 5, sentence );
BearingTrue = sentence.Double( 6 );
BearingMagnetic = sentence.Double( 8 );
DistanceNauticalMiles = sentence.Double( 10 );
To = sentence.Field( 12 );
return( true );
}
bool GTD::Parse( const SENTENCE& sentence )
{
/*
** GTD - Geographical Position, Loran-C TDs
**
** 1 2 3 4 5 6
** | | | | | |
** $--GTD,x.x,x.x,x.x,x,x,x.x*hh<CR><LF>
**
** 1) Time Difference 1 Microseconds
** 2) Time Difference 2 Microseconds
** 3) Time Difference 3 Microseconds
** 4) Time Difference 4 Microseconds
** 5) Time Difference 5 Microseconds
** 6) Checksum
*/
/*
** First we check the checksum...
*/
if ( sentence.IsChecksumBad( 6 ) == True )
{
SetErrorMessage( "Invalid Checksum" );
return( false );
}
TimeDifference1 = sentence.Field( 1 );
TimeDifference2 = sentence.Field( 2 );
TimeDifference3 = sentence.Field( 3 );
TimeDifference4 = sentence.Field( 4 );
TimeDifference5 = sentence.Field( 5 );
return( true );
}
BOOL ZTG::Parse( const SENTENCE& sentence )
{
ASSERT_VALID( this );
/*
** ZTG - UTC & Time to Destination Waypoint
**
** 1 2 3 4
** | | | |
** $--ZTG,hhmmss.ss,hhmmss.ss,c--c*hh<CR><LF>
**
** Fields:
** 1) Universal Time Coordinated (UTC)
** 2) Time Remaining
** 3) Destination Waypoint ID
** 4) Checksum
*/
/*
** First we check the checksum...
*/
if ( sentence.IsChecksumBad( 4 ) == True )
{
SetErrorMessage( "Invalid Checksum" );
return( FALSE );
}
UTCTime = sentence.Field( 1 );
TimeRemaining = sentence.Field( 2 );
To = sentence.Field( 3 );
return( TRUE );
}
bool TRF::Parse( const SENTENCE& sentence )
{
/*
** TRF - TRANSIT Fix Data
** 13
** 1 2 3 4 5 6 7 8 9 10 11 12|
** | | | | | | | | | | | | |
** $--TRF,hhmmss.ss,xxxxxx,llll.ll,a,yyyyy.yy,a,x.x,x.x,x.x,x.x,xxx,A*hh<CR><LF>
**
** Field Number:
** 1) UTC Time
** 2) Date, ddmmyy
** 3) Latitude
** 4) N or S
** 5) Longitude
** 6) E or W
** 7) Elevation Angle
** 8) Number of iterations
** 9) Number of Doppler intervals
** 10) Update distance, nautical miles
** 11) Satellite ID
** 12) Data Validity
** 13) Checksum
*/
/*
** First we check the checksum...
*/
if ( sentence.IsChecksumBad( 13 ) == True )
{
SetErrorMessage( "Invalid Checksum" );
return( false );
}
UTCTime = sentence.Field( 1 );
Time = sentence.Time( 1 );
Date = sentence.Field( 2 );
Position.Parse( 3, 4, 5, 6, sentence );
ElevationAngle = sentence.Double( 7 );
NumberOfIterations = sentence.Double( 8 );
NumberOfDopplerIntervals = sentence.Double( 9 );
UpdateDistanceNauticalMiles = sentence.Double( 10 );
SatelliteID = sentence.Integer( 11 );
IsDataValid = sentence.Boolean( 12 );
return( true );
}
bool MTW::Parse( const SENTENCE& sentence )
{
// ASSERT_VALID( this );
/*
** MTW - Water Temperature
**
** 1 2 3
** | | |
** $--MTW,x.x,C*hh<CR><LF>
**
** Field Number:
** 1) Degrees
** 2) Unit of Measurement, Celcius
** 3) Checksum
*/
/*
** First we check the checksum...
*/
if ( sentence.IsChecksumBad( 3 ) == TRUE )
{
SetErrorMessage( _T("Invalid Checksum") );
return( FALSE );
}
Temperature = sentence.Double( 1 );
UnitOfMeasurement = sentence.Field( 2 );
return( TRUE );
}
bool WDR::Parse( const SENTENCE& sentence )
{
/*
** WDR - Distance to Waypoint, Rhumb Line
**
** 1 2 3 4
** | | | |
** $--WDR,x.x,N,c--c*hh<CR><LF>
**
** 1) Distance to waypoint
** 2) N = Nautical Miles
** 3) Waypoint ID (To)
** 4) Checksum
*/
/*
** First we check the checksum...
*/
if ( sentence.IsChecksumBad( 4 ) == True )
{
SetErrorMessage( "Invalid Checksum" );
return( false );
}
NauticalMiles = sentence.Double( 1 );
To = sentence.Field( 3 );
return( true );
}
bool RMB::Parse( const SENTENCE& sentence )
{
/*
** RMB - Recommended Minimum Navigation Information
** 14
** 1 2 3 4 5 6 7 8 9 10 11 12 13|
** | | | | | | | | | | | | | |
** $--RMB,A,x.x,a,c--c,c--c,llll.ll,a,yyyyy.yy,a,x.x,x.x,x.x,A*hh<CR><LF>
**
** Field Number:
** 1) Status, V = Navigation receiver warning
** 2) Cross Track error - nautical miles
** 3) Direction to Steer, Left or Right
** 4) TO Waypoint ID
** 5) FROM Waypoint ID
** 6) Destination Waypoint Latitude
** 7) N or S
** 8) Destination Waypoint Longitude
** 9) E or W
** 10) Range to destination in nautical miles
** 11) Bearing to destination in degrees True
** 12) Destination closing velocity in knots
** 13) Arrival Status, A = Arrival Circle Entered
** 14) Checksum
*/
/*
** First we check the checksum...
*/
NMEA0183_BOOLEAN check = sentence.IsChecksumBad( 14 );
if ( check == NTrue )
{
SetErrorMessage( _T("Invalid Checksum") );
return( FALSE );
}
/*
if ( check == Unknown0183 )
{
SetErrorMessage( _T("Missing Checksum") );
return( FALSE );
}
*/
IsDataValid = sentence.Boolean( 1 );
CrossTrackError = sentence.Double( 2 );
DirectionToSteer = sentence.LeftOrRight( 3 );
From = sentence.Field( 4 );
To = sentence.Field( 5 );
DestinationPosition.Parse( 6, 7, 8, 9, sentence );
RangeToDestinationNauticalMiles = sentence.Double( 10 );
BearingToDestinationDegreesTrue = sentence.Double( 11 );
DestinationClosingVelocityKnots = sentence.Double( 12 );
IsArrivalCircleEntered = sentence.Boolean( 13 );
return( TRUE );
}
bool GPWPL::Parse( const SENTENCE& sentence )
{
/*
** WPL - Waypoint Location
**
** +-------------------------------- 1) Latitude
** | +------------------------ 2) N or S (North or South)
** | | +---------------------- 3) Longitude
** | | | +------------- 4) E or W (East or West)
** | | | | +----------- 5) Waypoint name
** | | | | | +-------6) Checksum
** | | | | | |
** $--WPL,llll.ll,a,yyyyy.yy,a,c--c*hh<CR><LF>
*/
/*
** First we check the checksum...
*/
if ( sentence.IsChecksumBad( 6 ) == NTrue )
{
SetErrorMessage( _T("Invalid Checksum") );
return( FALSE );
}
Position.Parse( 1, 2, 3, 4, sentence );
To = sentence.Field( 5 );
return( TRUE );
}
bool GGA::Parse( const SENTENCE& sentence )
{
// ASSERT_VALID( this );
/*
** GGA - Global Positioning System Fix Data
** Time, Position and fix related data fora GPS receiver.
**
** 11
** 1 2 3 4 5 6 7 8 9 10 | 12 13 14 15
** | | | | | | | | | | | | | | |
** $--GGA,hhmmss.ss,llll.ll,a,yyyyy.yy,a,x,xx,x.x,x.x,M,x.x,M,x.x,xxxx*hh<CR><LF>
**
** Field Number:
** 1) Universal Time Coordinated (UTC)
** 2) Latitude
** 3) N or S (North or South)
** 4) Longitude
** 5) E or W (East or West)
** 6) GPS Quality Indicator,
** 0 - fix not available,
** 1 - GPS fix,
** 2 - Differential GPS fix
** 7) Number of satellites in view, 00 - 12
** 8) Horizontal Dilution of precision
** 9) Antenna Altitude above/below mean-sea-level (geoid)
** 10) Units of antenna altitude, meters
** 11) Geoidal separation, the difference between the WGS-84 earth
** ellipsoid and mean-sea-level (geoid), "-" means mean-sea-level
** below ellipsoid
** 12) Units of geoidal separation, meters
** 13) Age of differential GPS data, time in seconds since last SC104
** type 1 or 9 update, null field when DGPS is not used
** 14) Differential reference station ID, 0000-1023
** 15) Checksum
*/
/*
** First we check the checksum...
*/
if ( sentence.IsChecksumBad( 15 ) ==NTrue )
{
SetErrorMessage( _T("Invalid Checksum" ));
return( FALSE );
}
UTCTime = sentence.Field( 1 );
Position.Parse( 2, 3, 4, 5, sentence );
GPSQuality = sentence.Integer( 6 );
NumberOfSatellitesInUse = sentence.Integer( 7 );
HorizontalDilutionOfPrecision = sentence.Double( 8 );
AntennaAltitudeMeters = sentence.Double( 9 );
GeoidalSeparationMeters = sentence.Double( 11 );
AgeOfDifferentialGPSDataSeconds = sentence.Double( 13 );
DifferentialReferenceStationID = sentence.Integer( 14 );
return( TRUE );
}
bool ZZU::Parse( const SENTENCE& sentence )
{
/*
** ZZU - Time UTC
**
** 1 2
** | |
** $--ZZU,hhmmss.ss,*hh<CR><LF>
**
** 1) Universal Time Coordinated (UTC)
** 2) Checksum
*/
/*
** First we check the checksum...
*/
if ( sentence.IsChecksumBad( 2 ) == True )
{
SetErrorMessage( "Invalid Checksum" );
return( false );
}
time_t temp_time = time(nullptr);
struct tm * tm_p = gmtime(&temp_time);
int year = tm_p->tm_year + 1900;
int month = tm_p->tm_mon;
int day = tm_p->tm_mday;
UTCTimeString = sentence.Field( 1 );
char temp_number[ 3 ];
temp_number[ 2 ] = 0x00;
temp_number[ 0 ] = UTCTimeString[ 0 ];
temp_number[ 1 ] = UTCTimeString[ 1 ];
int hours = ::atoi( temp_number );
temp_number[ 0 ] = UTCTimeString[ 2 ];
temp_number[ 1 ] = UTCTimeString[ 3 ];
int minutes = ::atoi( temp_number );
temp_number[ 0 ] = UTCTimeString[ 4 ];
temp_number[ 1 ] = UTCTimeString[ 5 ];
int seconds = ::atoi( temp_number );
UTCTime = ctime( year, month, day, hours, minutes, seconds );
return( true );
}
void LATITUDE::Parse( int position_field_number, int north_or_south_field_number, const SENTENCE& sentence )
{
// Thanks go to Eric Parsonage ([email protected]) for finding a nasty
// little bug that used to live here.
double position = 0.0;
position = sentence.Double( position_field_number );
std::string north_or_south = sentence.Field( north_or_south_field_number );
Set( position, north_or_south.c_str() );
}
bool MWV::Parse( const SENTENCE& sentence )
{
// ASSERT_VALID( this );
/*
** MWV - Wind Speed and Angle
**
** 1 2 3 4 5
** | | | | |
** $--MWV,x.x,a,x.x,a*hh<CR><LF>
**
** Field Number:
** 1) Wind Angle, 0 to 360 degrees
** 2) Reference, R = Relative, T = True
** 3) Wind Speed
** 4) Wind Speed Units, K/M/N
** 5) Status, A = Data Valid
** 6) Checksum
*/
/*
** First we check the checksum...
*/
if ( sentence.IsChecksumBad( 6 ) == TRUE )
{
SetErrorMessage( _T("Invalid Checksum") );
return( FALSE );
}
WindAngle = sentence.Double( 1 );
Reference = sentence.Field( 2 );
WindSpeed = sentence.Double( 3 );
WindSpeedUnits = sentence.Field( 4 );
IsDataValid = sentence.Boolean( 5 );
return( TRUE );
}
bool XTE::Parse( const SENTENCE& sentence )
{
// ASSERT_VALID( this );
wxString field_data;
/*
** XTE - Autopilot Sentence
**
** 1 2 3 4 5 6
** | | | | | |
** $--XTE,A,A,x.x,a,N*hh<CR><LF>
**
** 1) Status
** V = LORAN-C Blink or SNR warning
** V = general warning flag or other navigation systems when a reliable
** fix is not available
** 2) Status
** V = Loran-C Cycle Lock warning flag
** A = OK or not used
** 3) Cross Track Error Magnitude
** 4) Direction to steer, L or R
** 5) Cross Track Units, N = Nautical Miles
** 6) Checksum
*/
/*
** First we check the checksum...
*/
NMEA0183_BOOLEAN check = sentence.IsChecksumBad( 15 );
if ( check == NTrue )
{
SetErrorMessage( _T("Invalid Checksum") );
return( FALSE );
}
/*
** Line has already been checked for checksum validity
*/
IsLoranBlinkOK = sentence.Boolean( 1 );
IsLoranCCycleLockOK = sentence.Boolean( 2 );
CrossTrackErrorDistance = sentence.Double( 3 );
DirectionToSteer = sentence.LeftOrRight( 4 );
CrossTrackUnits = sentence.Field( 5 );
return( TRUE );
}
void SATELLITE_DATA::Parse( int first_field_number, const SENTENCE& sentence )
{
SatelliteNumber = sentence.Integer( first_field_number );
ElevationDegrees = sentence.Integer( first_field_number + 1 );
AzimuthDegreesTrue = sentence.Integer( first_field_number + 2 );
std::string field_data = sentence.Field( first_field_number + 3 );
if ( field_data == "" )
{
SignalToNoiseRatio = (-1);
}
else
{
SignalToNoiseRatio = sentence.Integer( first_field_number + 3 );
}
}
bool MDA::Parse( const SENTENCE& sentence )
{
// ASSERT_VALID( this );
/*Wind speed, meters/second
**Wind speed, knots
**Wind direction,
**degrees Magnetic
**Wind direction, degrees True
**$
**--
**MDA,x.x,I,x.x,B,x.x,C,x.x,C,x.x,x.x,x.x,C,x.x,T,x.x,M,x.x,N,x.x,M*hh<CR><LF>
** | | | | Dew point, degrees C
** | | | | Absolute humidity, percent
** | | | | Relative humidity, percent
** | | | | Water temperature, degrees C
** | | | | Air temperature, degrees C
** | | |----Barometric pressure, bars
** |----- Barometric pressure, inches of mercur
*/
/*
** First we check the checksum...
*/
if ( sentence.IsChecksumBad( sentence.GetNumberOfDataFields() ) == TRUE || FALSE ) //diferent vendors have different length of data message and not 24 field as in standard.
{
SetErrorMessage( _T("Invalid Checksum") );
return( FALSE );
}
Pressure = sentence.Double( 3 );
UnitOfMeasurement = sentence.Field( 4 );
if(UnitOfMeasurement==wxT("B"))
{
Pressure = sentence.Double( 3 ); //from bar to Hecto pascal
}
return( TRUE );
}
bool IMA::Parse( const SENTENCE& sentence )
{
/*
** IMA - Vessel Identification
** 11 13
** 1 2 3 4 5 6 7 8 9 10| 12|
** | | | | | | | | | | | | |
** $--IMA,aaaaaaaaaaaa,aaaxxxx,llll.ll,a,yyyyy.yy,a,x.x,T,x.x,M,x.x,N*hh<CR><LF>
**
** 1) Twelve character vessel name
** 2) Radio Call Sign
** 3) Latitude
** 4) North/South
** 5) Longitude
** 6) East/West
** 7) Heading, degrees true
** 8) T = True
** 9) Heading, degrees magnetic
** 10) M = Magnetic
** 11) Speed
** 12) N = Knots
** 13) Checksum
*/
/*
** First we check the checksum...
*/
if ( sentence.IsChecksumBad( 13 ) == True )
{
SetErrorMessage( "Invalid Checksum" );
return( false );
}
VesselName = sentence.Field( 1 );
Callsign = sentence.Field( 2 );
Position.Parse( 3, 4, 5, 6, sentence );
HeadingDegreesTrue = sentence.Double( 7 );
HeadingDegreesMagnetic = sentence.Double( 9 );
SpeedKnots = sentence.Double( 11 );
return( true );
}
BOOL BOD::Parse( const SENTENCE& sentence )
{
ASSERT_VALID( this );
/*
** BOD - Bearing - Waypoint to Waypoint
**
** 1 2 3 4 5 6 7
** | | | | | | |
** $--BOD,x.x,T,x.x,M,c--c,c--c*hh<CR><LF>
**
** Field Number:
** 1) Bearing Degrees, TRUE
** 2) T = True
** 3) Bearing Degrees, Magnetic
** 4) M = Magnetic
** 5) TO Waypoint
** 6) FROM Waypoint
** 7) Checksum
*/
/*
** First we check the checksum...
*/
if ( sentence.IsChecksumBad( 7 ) == True )
{
SetErrorMessage( "Invalid Checksum" );
return( FALSE );
}
BearingTrue = sentence.Double( 1 );
BearingMagnetic = sentence.Double( 3 );
To = sentence.Field( 5 );
From = sentence.Field( 6 );
return( TRUE );
}
bool RPM::Parse( const SENTENCE& sentence )
{
/*
** RPM - Revolutions
**
** 1 2 3 4 5 6
** | | | | | |
** $--RPM,a,x,x.x,x.x,A*hh<CR><LF>
**
** Field Number:
** 1) Sourse, S = Shaft, E = Engine
** 2) Engine or shaft number
** 3) Speed, Revolutions per minute
** 4) Propeller pitch, % of maximum, "-" means astern
** 5) Status, A means data is valid
** 6) Checksum
*/
/*
** First we check the checksum...
*/
if ( sentence.IsChecksumBad( 6 ) == True )
{
SetErrorMessage( "Invalid Checksum" );
return( false );
}
Source = sentence.Field( 1 );
SourceNumber = sentence.Integer( 2 );
RevolutionsPerMinute = sentence.Double( 3 );
PropellerPitchPercentage = sentence.Double( 4 );
IsDataValid = sentence.Boolean( 5 );
return( true );
}
bool WNC::Parse( const SENTENCE& sentence )
{
/*
** WNC - Distance - Waypoint to Waypoint
**
** 1 2 3 4 5 6 7
** | | | | | | |
** $--WNC,x.x,N,x.x,K,c--c,c--c*hh<CR><LF>
**
** Field Number:
** 1) Distance, Nautical Miles
** 2) N = Nautical Miles
** 3) Distance, Kilometers
** 4) K = Kilometers
** 5) TO Waypoint
** 6) FROM Waypoint
** 7) Checksum
*/
/*
** First we check the checksum...
*/
if ( sentence.IsChecksumBad( 7 ) == True )
{
SetErrorMessage( "Invalid Checksum" );
return( false );
}
MilesDistance = sentence.Double( 1 );
KilometersDistance = sentence.Double( 3 );
To = sentence.Field( 5 );
From = sentence.Field( 6 );
return( true );
}
bool RTE::Parse( const SENTENCE& sentence )
{
/*
** RTE - Routes
**
** 1 2 3 4 5 x n
** | | | | | | |
** $--RTE,x.x,x.x,a,c--c,c--c, ..... c--c*hh<CR><LF>
**
** Field Number:
** 1) Total number of messages being transmitted
** 2) Message Number
** 3) Message mode
** c = complete route, all waypoints
** w = working route, the waypoint you just left, the waypoint you're heading to then all the rest
** 4) Waypoint ID
** x) More Waypoints
** n) Checksum
*/
delete_all_entries();
int field_number = 1;
total_number_of_messages = sentence.Integer( 1 );
// total_number_of_messages = sentence.Double( 1 );
int this_message_number = sentence.Integer( 2 );
// double this_message_number = sentence.Double( 2 );
if ( this_message_number == 1 )
{
/*
** Make sure we've got a clean list
*/
delete_all_entries();
}
if ( sentence.Field( 3 ).StartsWith(_T("c")) )
{
TypeOfRoute = CompleteRoute;
}
else if ( sentence.Field( 3 ).StartsWith(_T("w")))
{
TypeOfRoute = WorkingRoute;
}
else
{
TypeOfRoute = RouteUnknown;
}
RouteName = sentence.Field( 4 );
int number_of_data_fields = sentence.GetNumberOfDataFields();
field_number = 5;
while( field_number < number_of_data_fields )
{
Waypoints.Add( ( sentence.Field( field_number ) )) ;
field_number++;
}
return( TRUE );
}
bool GLL::Parse( const SENTENCE& sentence )
{
// ASSERT_VALID( this );
/*
** GLL - Geographic Position - Latitude/Longitude
** Latitude, N/S, Longitude, E/W, UTC, Status
**
** +-------------------------------- 1) Latitude
** | +------------------------ 2) N or S (North or South)
** | | +---------------------- 3) Longitude
** | | | +------------- 4) E or W (East or West)
** | | | | +----------- 5) Universal Time Coordinated (UTC)
** | | | | | +- 6) Status A - Data Valid, V - Data Invalid
** | | | | | | +7) Checksum
** $--GLL,llll.ll,a,yyyyy.yy,a,hhmmss.ss,A*hh<CR><LF>
*/
/*
** First we check the checksum...
*/
int target_field_count = 6;
NMEA0183_BOOLEAN check = sentence.IsChecksumBad( 7 );
if ( check == NTrue )
{
/*
** This may be an NMEA Version 2.3 sentence, with "Mode" field
*/
wxString checksum_in_sentence = sentence.Field( 7 );
if(checksum_in_sentence.StartsWith(_T("*"))) // Field is a valid erroneous checksum
{
SetErrorMessage( _T("Invalid Checksum") );
return( FALSE );
}
else
{
target_field_count = 7;
check = sentence.IsChecksumBad( 8 );
if( check == NTrue)
{
SetErrorMessage( _T("Invalid Checksum") );
return( FALSE );
}
}
}
if ( sentence.GetNumberOfDataFields() == target_field_count )
{
Position.Parse( 1, 2, 3, 4, sentence );
UTCTime = sentence.Field( 5 );
IsDataValid = sentence.Boolean( 6 );
return( TRUE );
}
// May be old style GLL sentence
if ( sentence.GetNumberOfDataFields() == 4 )
{
Position.Parse( 1, 2, 3, 4, sentence );
IsDataValid = NTrue;
return( TRUE );
}
// A real error...
SetErrorMessage( _T("Invalid FieldCount") );
return( FALSE );
}
bool VTG::Parse( const SENTENCE& sentence )
{
// ASSERT_VALID( this );
/*
** VTG - Track made good and Ground speed
**
** 1 2 3 4 5 6 7 8 9
** | | | | | | | | |
** $--VTG,x.x,T,x.x,M,x.x,N,x.x,K*hh<CR><LF>
**
** Field Number:
** 1) Track Degrees
** 2) T = True
** 3) Track Degrees
** 4) M = Magnetic
** 5) Speed Knots
** 6) N = Knots
** 7) Speed Kilometers Per Hour
** 8) K = Kilometers Per Hour
** 9) Checksum
*/
/*
** First we check the checksum...
*/
int target_field_count = 8;
NMEA0183_BOOLEAN check = sentence.IsChecksumBad( 9 );
if ( check == NTrue )
{
/*
** This may be an NMEA Version 2.3 sentence, with "Mode" field
*/
wxString checksum_in_sentence = sentence.Field( 9 );
if(checksum_in_sentence.StartsWith(_T("*"))) // Field is a valid erroneous checksum
{
SetErrorMessage( _T("Invalid Checksum") );
return( FALSE );
}
else
{
target_field_count = 9;
check = sentence.IsChecksumBad( 10 );
if( check == NTrue)
{
SetErrorMessage( _T("Invalid Checksum") );
return( FALSE );
}
}
}
if ( sentence.GetNumberOfDataFields() != target_field_count )
{
SetErrorMessage( _T("Invalid FieldCount") );
return( FALSE );
}
TrackDegreesTrue = sentence.Double( 1 );
TrackDegreesMagnetic = sentence.Double( 3 );
SpeedKnots = sentence.Double( 5 );
SpeedKilometersPerHour = sentence.Double( 7 );
return( TRUE );
}
void LONGITUDE::Parse( int position_field_number, int east_or_west_field_number, const SENTENCE& sentence )
{
wxString w_or_e = sentence.Field( east_or_west_field_number );
Set( sentence.Double( position_field_number ), w_or_e );
}
void LINE_OF_POSITION::Parse( int first_field_number, const SENTENCE& sentence )
{
ZoneID = sentence.Field( first_field_number );
LineOfPosition = sentence.Double( first_field_number + 1 );
MasterLine = sentence.Boolean( first_field_number + 2 );
}
bool RMC::Parse( const SENTENCE& sentence )
{
// ASSERT_VALID( this );
/*
** RMC - Recommended Minimum Navigation Information
**
** Version 2.0 Format
** 12
** 1 2 3 4 5 6 7 8 9 10 11|
** | | | | | | | | | | | |
** $--RMC,hhmmss.ss,A,llll.ll,a,yyyyy.yy,a,x.x,x.x,xxxx,x.x,a*hh<CR><LF>
**
** Field Number:
** 1) UTC Time
** 2) Status, V = Navigation receiver warning
** 3) Latitude
** 4) N or S
** 5) Longitude
** 6) E or W
** 7) Speed over ground, knots
** 8) Track made good, degrees true
** 9) Date, ddmmyy
** 10) Magnetic Variation, degrees
** 11) E or W
** Version 2.0
** 12) Checksum
** Version 2.3
** 12) Mode (D or A), optional, may be NULL
** 13) Checksum
*/
/*
** First we check the checksum...
*/
NMEA0183_BOOLEAN check = sentence.IsChecksumBad( 12 );
if ( check == NTrue )
{
/*
** This may be an NMEA Version 2.3 sentence, with "Mode" field
*/
wxString checksum_in_sentence = sentence.Field( 12 );
if(checksum_in_sentence.StartsWith(_T("*"))) // Field is a valid erroneous checksum
{
SetErrorMessage( _T("Invalid Checksum") );
return( FALSE );
}
else
{
check = sentence.IsChecksumBad( 13 );
if( check == NTrue)
{
SetErrorMessage( _T("Invalid Checksum") );
return( FALSE );
}
}
}
/*
if ( check == Unknown0183 )
{
SetErrorMessage( _T("Missing Checksum") );
return( FALSE );
}
*/
UTCTime = sentence.Field( 1 );
IsDataValid = sentence.Boolean( 2 );
Position.Parse( 3, 4, 5, 6, sentence );
SpeedOverGroundKnots = sentence.Double( 7 );
TrackMadeGoodDegreesTrue = sentence.Double( 8 );
Date = sentence.Field( 9 );
MagneticVariation = sentence.Double( 10 );
MagneticVariationDirection = sentence.EastOrWest( 11 );
return( TRUE );
}
void LATITUDE::Parse( int position_field_number, int north_or_south_field_number, const SENTENCE& sentence )
{
wxString n_or_s = sentence.Field( north_or_south_field_number );
Set( sentence.Double( position_field_number ), n_or_s );
}
bool APB::Parse( const SENTENCE& sentence )
{
// ASSERT_VALID( this );
wxString field_data;
/*
** APB - Autopilot Sentence "B"
** 13 15
** 1 2 3 4 5 6 7 8 9 10 11 12| 14|
** | | | | | | | | | | | | | | |
** $--APB,A,A,x.x,a,N,A,A,x.x,a,c--c,x.x,a,x.x,a*hh<CR><LF>
**
** 1) Status
** V = LORAN-C Blink or SNR warning
** V = general warning flag or other navigation systems when a reliable
** fix is not available
** 2) Status
** V = Loran-C Cycle Lock warning flag
** A = OK or not used
** 3) Cross Track Error Magnitude
** 4) Direction to steer, L or R
** 5) Cross Track Units, N = Nautical Miles
** 6) Status
** A = Arrival Circle Entered
** 7) Status
** A = Perpendicular passed at waypoint
** 8) Bearing origin to destination
** 9) M = Magnetic, T = True
** 10) Destination Waypoint ID
** 11) Bearing, present position to Destination
** 12) M = Magnetic, T = True
** 13) Heading to steer to destination waypoint
** 14) M = Magnetic, T = True
** 15) Checksum
*/
/*
** First we check the checksum...
*/
NMEA0183_BOOLEAN check = sentence.IsChecksumBad( 15 );
if ( check == NTrue )
{
SetErrorMessage( _T("Invalid Checksum") );
return( FALSE );
}
/*
** Line has already been checked for checksum validity
*/
IsLoranBlinkOK = sentence.Boolean( 1 );
IsLoranCCycleLockOK = sentence.Boolean( 2 );
CrossTrackErrorMagnitude = sentence.Double( 3 );
DirectionToSteer = sentence.LeftOrRight( 4 );
CrossTrackUnits = sentence.Field( 5 );
IsArrivalCircleEntered = sentence.Boolean( 6 );
IsPerpendicular = sentence.Boolean( 7 );
BearingOriginToDestination = sentence.Double( 8 );
BearingOriginToDestinationUnits = sentence.Field( 9 );
To = sentence.Field( 10 );
BearingPresentPositionToDestination = sentence.Double( 11 );
BearingPresentPositionToDestinationUnits = sentence.Field( 12 );
HeadingToSteer = sentence.Double( 13 );
HeadingToSteerUnits = sentence.Field( 14 );
return( TRUE );
}
bool ZLZ::Parse( const SENTENCE& sentence )
{
/*
** ZLZ - Time of Day
** UTC, local time, zone
**
** 1 2 3 4
** | | | |
** $--ZLZ,hhmmss.ss,hhmmss.ss,xx*hh<CR><LF>
**
** 1) Universal Time Coordinated (UTC)
** 2) Local Time
** 3) Local Zone Description, number of whole hours added to local time to obtain GMT
** 4) Checksum
*/
/*
** First we check the checksum...
*/
if ( sentence.IsChecksumBad( 4 ) == True )
{
SetErrorMessage( "Invalid Checksum" );
return( false );
}
time_t temp_time = time(nullptr);
struct tm * tm_p = gmtime(&temp_time);
int year = tm_p->tm_year + 1900;
int month = tm_p->tm_mon;
int day = tm_p->tm_mday;
UTCTimeString = sentence.Field( 1 );
char temp_number[ 3 ];
temp_number[ 2 ] = 0x00;
temp_number[ 0 ] = UTCTimeString[ 0 ];
temp_number[ 1 ] = UTCTimeString[ 1 ];
int hours = ::atoi( temp_number );
temp_number[ 0 ] = UTCTimeString[ 2 ];
temp_number[ 1 ] = UTCTimeString[ 3 ];
int minutes = ::atoi( temp_number );
temp_number[ 0 ] = UTCTimeString[ 4 ];
temp_number[ 1 ] = UTCTimeString[ 5 ];
int seconds = ::atoi( temp_number );
UTCTime = ctime( year, month, day, hours, minutes, seconds );
LocalTimeString = sentence.Field( 2 );
temp_number[ 0 ] = LocalTimeString[ 0 ];
temp_number[ 1 ] = LocalTimeString[ 1 ];
hours = ::atoi( temp_number );
temp_number[ 0 ] = LocalTimeString[ 2 ];
temp_number[ 1 ] = LocalTimeString[ 3 ];
minutes = ::atoi( temp_number );
temp_number[ 0 ] = LocalTimeString[ 4 ];
temp_number[ 1 ] = LocalTimeString[ 5 ];
seconds = ::atoi( temp_number );
LocalTime = ctime( year, month, day, hours, minutes, seconds );
LocalHourDeviation = sentence.Integer( 3 );
return( true );
}
bool RTE::Parse( const SENTENCE& sentence )
{
/*
** RTE - Routes
**
** 1 2 3 4 5 x n
** | | | | | | |
** $--RTE,x.x,x.x,a,c--c,c--c, ..... c--c*hh<CR><LF>
**
** Field Number:
** 1) Total number of messages being transmitted
** 2) Message Number
** 3) Message mode
** c = complete route, all waypoints
** w = working route, the waypoint you just left, the waypoint you're heading to then all the rest
** 4) Waypoint ID
** x) More Waypoints
** n) Checksum
*/
Waypoints.clear();
int field_number = 1;
m_TotalNumberOfMessages = sentence.Double( 1 );
double this_message_number = sentence.Double( 2 );
if ( this_message_number == 1.0 )
{
/*
** Make sure we've got a clean list
*/
Waypoints.clear();
}
std::string field_data = sentence.Field( 3 );
if ( field_data == "c" )
{
TypeOfRoute = CompleteRoute;
}
else if ( field_data == "w" )
{
TypeOfRoute = WorkingRoute;
}
else
{
TypeOfRoute = RouteUnknown;
}
RouteName = sentence.Field( 4 );
int number_of_data_fields = sentence.GetNumberOfDataFields();
field_number = 5;
std::string string_to_add;
while( field_number < number_of_data_fields )
{
Waypoints.push_back(sentence.Field(field_number));
field_number++;
}
return( true );
}
