Last change
on this file since 109 was 59, checked in by DHERBOMEZ Gérald, 10 years ago |
Integration of new modules:
- GPS NMEA0183 decoder
- Span CPT Decoder
Update of:
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File size:
1.6 KB
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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: hdt.cpp $
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13 | ** $Revision: 4 $
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14 | ** $Modtime: 10/10/98 3:01p $
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15 | */
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16 |
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17 |
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18 |
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19 | HDT::HDT()
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20 | {
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21 | Mnemonic = "HDT";
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22 | Empty();
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23 | }
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24 |
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25 | HDT::~HDT()
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26 | {
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27 | //Mnemonic.Empty();
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28 | Empty();
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29 | }
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30 |
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31 | void HDT::Empty( void )
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32 | {
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33 | DegreesTrue = 0.0;
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34 | }
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35 |
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36 | BOOL HDT::Parse( const SENTENCE& sentence )
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37 | {
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38 | /*
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39 | ** HDT - Heading - True
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40 | **
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41 | ** 1 2 3
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42 | ** | | |
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43 | ** $--HDT,x.x,T*hh<CR><LF>
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44 | **
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45 | ** Field Number:
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46 | ** 1) Heading Degrees, TRUE
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47 | ** 2) T = True
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48 | ** 3) Checksum
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49 | */
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50 |
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51 | /*
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52 | ** First we check the checksum...
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53 | */
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54 |
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55 | if ( sentence.IsChecksumBad( 3 ) == True )
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56 | {
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57 | SetErrorMessage( "Invalid Checksum" );
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58 | return( FALSE );
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59 | }
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60 |
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61 | DegreesTrue = sentence.Double( 1 );
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62 |
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63 | return( TRUE );
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64 | }
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65 |
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66 | QString HDT::PlainEnglish( void ) const
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67 | {
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68 | QString return_string;
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69 |
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70 | //return_string.Format( "Your true heading is %6.2lf degrees.", DegreesTrue );
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71 | return_string = "Your true heading is " + QString::number(DegreesTrue) + "degrees.";
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72 | return( return_string );
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73 | }
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74 |
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75 | BOOL HDT::Write( SENTENCE& sentence )
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76 | {
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77 | /*
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78 | ** Let the parent do its thing
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79 | */
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80 |
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81 | RESPONSE::Write( sentence );
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82 |
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83 | sentence += DegreesTrue;
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84 | sentence += "T";
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85 |
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86 | sentence.Finish();
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87 |
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88 | return( TRUE );
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89 | }
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90 |
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91 | const HDT& HDT::operator = ( const HDT& source )
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92 | {
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93 | DegreesTrue = source.DegreesTrue;
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94 |
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95 | return( *this );
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96 | }
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