| 1 | #include "nmea0183.h"
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| 2 | #pragma hdrstop
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| 3 |
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| 4 | /*
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| 5 | ** Author: Samuel R. Blackburn
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| 6 | ** Internet: sam_blackburn@pobox.com
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| 7 | **
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| 8 | ** You can use it any way you like as long as you don't try to sell it.
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| 9 | **
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| 10 | ** Copyright, 1996, Samuel R. Blackburn
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| 11 | **
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| 12 | ** $Workfile: rot.cpp $
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| 13 | ** $Revision: 4 $
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| 14 | ** $Modtime: 10/10/98 2:56p $
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| 15 | */
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| 16 |
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| 17 | #ifdef _MSC_VER
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| 18 | # pragma warning(disable:4996)
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| 19 | #endif // _MSC_VER
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| 20 |
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| 21 | ROT::ROT()
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| 22 | {
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| 23 | Mnemonic = "ROT";
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| 24 | Empty();
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| 25 | }
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| 26 |
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| 27 | ROT::~ROT()
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| 28 | {
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| 29 | //Mnemonic.Empty();
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| 30 | Empty();
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| 31 | }
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| 32 |
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| 33 | void ROT::Empty( void )
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| 34 | {
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| 35 | RateOfTurn = 0.0;
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| 36 | IsDataValid = NMEA_Unknown;
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| 37 | }
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| 38 |
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| 39 | BOOL ROT::Parse( const SENTENCE& sentence )
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| 40 | {
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| 41 | /*
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| 42 | ** ROT - Rate Of Turn
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| 43 | **
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| 44 | ** 1 2 3
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| 45 | ** | | |
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| 46 | ** $--ROT,x.x,A*hh<CR><LF>
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| 47 | **
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| 48 | ** Field Number:
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| 49 | ** 1) Rate Of Turn, degrees per minute, "-" means bow turns to port
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| 50 | ** 2) Status, A means data is valid
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| 51 | ** 3) Checksum
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| 52 | */
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| 53 |
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| 54 | /*
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| 55 | ** First we check the checksum...
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| 56 | */
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| 57 |
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| 58 | if ( sentence.IsChecksumBad( 3 ) == True )
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| 59 | {
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| 60 | SetErrorMessage( "Invalid Checksum" );
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| 61 | return( FALSE );
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| 62 | }
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| 63 |
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| 64 | RateOfTurn = sentence.Double( 1 );
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| 65 | IsDataValid = sentence.Boolean( 2 );
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| 66 |
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| 67 | return( TRUE );
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| 68 | }
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| 69 |
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| 70 | QString ROT::PlainEnglish( void ) const
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| 71 | {
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| 72 | QString return_string;
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| 73 |
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| 74 | return_string = "The bow is turning to ";
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| 75 |
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| 76 | char temp_string[ 80 ];
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| 77 |
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| 78 | if ( RateOfTurn < 0 )
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| 79 | {
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| 80 | ::sprintf( temp_string, "Port at a rate of %4.1lf degrees per minute.", (double) (RateOfTurn * -1.0) );
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| 81 | }
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| 82 | else
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| 83 | {
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| 84 | ::sprintf( temp_string, "Starboard at a rate of %4.1lf degrees per minute.", RateOfTurn );
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| 85 | }
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| 86 |
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| 87 | return_string += temp_string;
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| 88 |
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| 89 | if ( IsDataValid != True )
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| 90 | {
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| 91 | if ( IsDataValid == False )
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| 92 | {
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| 93 | return_string += " However, this data is not valid.";
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| 94 | }
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| 95 | else
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| 96 | {
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| 97 | return_string += " However, this data cannot be confirmed.";
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| 98 | }
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| 99 | }
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| 100 |
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| 101 | return( return_string );
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| 102 | }
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| 103 |
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| 104 | BOOL ROT::Write( SENTENCE& sentence )
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| 105 | {
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| 106 | /*
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| 107 | ** Let the parent do its thing
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| 108 | */
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| 109 |
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| 110 | RESPONSE::Write( sentence );
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| 111 |
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| 112 | sentence += RateOfTurn;
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| 113 | sentence += IsDataValid;
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| 114 |
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| 115 | sentence.Finish();
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| 116 |
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| 117 | return( TRUE );
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| 118 | }
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| 119 |
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| 120 | const ROT& ROT::operator = ( const ROT& source )
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| 121 | {
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| 122 | RateOfTurn = source.RateOfTurn;
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| 123 | IsDataValid = source.IsDataValid;
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| 124 |
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| 125 | return( *this );
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| 126 | }
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