source: pacpussensors/trunk/NMEA0183/src/RPM.cpp@ 80

Last change on this file since 80 was 59, checked in by DHERBOMEZ Gérald, 10 years ago

Integration of new modules:

  • GPS NMEA0183 decoder
  • Span CPT Decoder

Update of:

File size: 2.2 KB
Line 
1#include "nmea0183.h"
2#pragma hdrstop
3
4/*
5** Author: Samuel R. Blackburn
6** Internet: sam_blackburn@pobox.com
7**
8** You can use it any way you like as long as you don't try to sell it.
9**
10** Copyright, 1996, Samuel R. Blackburn
11**
12** $Workfile: rpm.cpp $
13** $Revision: 4 $
14** $Modtime: 10/10/98 2:44p $
15*/
16
17
18RPM::RPM()
19{
20 Mnemonic = "RPM";
21 Empty();
22}
23
24RPM::~RPM()
25{
26 //Mnemonic.Empty();
27 Empty();
28}
29
30void RPM::Empty( void )
31{
32 //Source.Empty();
33 SourceNumber = 0;
34 RevolutionsPerMinute = 0.0;
35 PropellerPitchPercentage = 0.0;
36 IsDataValid = NMEA_Unknown;
37}
38
39BOOL RPM::Parse( const SENTENCE& sentence )
40{
41 /*
42 ** RPM - Revolutions
43 **
44 ** 1 2 3 4 5 6
45 ** | | | | | |
46 ** $--RPM,a,x,x.x,x.x,A*hh<CR><LF>
47 **
48 ** Field Number:
49 ** 1) Sourse, S = Shaft, E = Engine
50 ** 2) Engine or shaft number
51 ** 3) Speed, Revolutions per minute
52 ** 4) Propeller pitch, % of maximum, "-" means astern
53 ** 5) Status, A means data is valid
54 ** 6) Checksum
55 */
56
57 /*
58 ** First we check the checksum...
59 */
60
61 if ( sentence.IsChecksumBad( 6 ) == True )
62 {
63 SetErrorMessage( "Invalid Checksum" );
64 return( FALSE );
65 }
66
67 Source = sentence.Field( 1 );
68 SourceNumber = sentence.Integer( 2 );
69 RevolutionsPerMinute = sentence.Double( 3 );
70 PropellerPitchPercentage = sentence.Double( 4 );
71 IsDataValid = sentence.Boolean( 5 );
72
73 return( TRUE );
74}
75
76BOOL RPM::Write( SENTENCE& sentence )
77{
78 /*
79 ** Let the parent do its thing
80 */
81
82 RESPONSE::Write( sentence );
83
84 sentence += Source;
85 sentence += SourceNumber;
86 sentence += RevolutionsPerMinute;
87 sentence += PropellerPitchPercentage;
88 sentence += IsDataValid;
89
90 sentence.Finish();
91
92 return( TRUE );
93}
94
95const RPM& RPM::operator = ( const RPM& source )
96{
97 Source = source.Source;
98 SourceNumber = source.SourceNumber;
99 RevolutionsPerMinute = source.RevolutionsPerMinute;
100 PropellerPitchPercentage = source.PropellerPitchPercentage;
101 IsDataValid = source.IsDataValid;
102
103 return( *this );
104}
Note: See TracBrowser for help on using the repository browser.