source: pacpussensors/trunk/NMEA0183/src/XDR.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: 3.3 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: xdr.cpp $
13** $Revision: 4 $
14** $Modtime: 10/10/98 4:20p $
15*/
16
17
18
19XDR::XDR()
20{
21 Mnemonic = "XDR";
22 Empty();
23}
24
25XDR::~XDR()
26{
27 //Mnemonic.Empty();
28 Empty();
29}
30
31void XDR::Empty( void )
32{
33 delete_all_entries();
34}
35
36BOOL XDR::Parse( const SENTENCE& sentence )
37{
38 /*
39 ** XDR - Cross Track Error - Dead Reckoning
40 **
41 ** 1 2 3 4 n
42 ** | | | | |
43 ** $--XDR,a,x.x,a,c--c, ..... *hh<CR><LF>
44 **
45 ** Field Number:
46 ** 1) Transducer Type
47 ** 2) Measurement Data
48 ** 3) Units of measurement
49 ** 4) Name of transducer
50 ** x) More of the same
51 ** n) Checksum
52 */
53
54 delete_all_entries();
55
56 int field_number = 1;
57
58 TRANSDUCER_DATA *transducer_data_p = (TRANSDUCER_DATA *) NULL;
59
60 while( sentence.Field( field_number + 1 ) != "" )
61 {
62 transducer_data_p = new TRANSDUCER_DATA;
63
64 transducer_data_p->Parse( field_number, sentence );
65 //Transducers.Add( transducer_data_p );
66 Transducers.resize(Transducers.size()+1);
67 Transducers.insert( Transducers.size(),transducer_data_p );
68
69 field_number += 4;
70 }
71
72 return( TRUE );
73}
74
75BOOL XDR::Write( SENTENCE& sentence )
76{
77 /*
78 ** Let the parent do its thing
79 */
80
81 RESPONSE::Write( sentence );
82
83 int index = 0;
84 int number_of_entries = Transducers.size();
85
86 while( index < number_of_entries )
87 {
88 ( (TRANSDUCER_DATA *) Transducers[ index ] )->Write( sentence );
89 index++;
90 }
91
92 sentence.Finish();
93
94 return( TRUE );
95}
96
97void XDR::delete_all_entries( void )
98{
99 int loop_index = 0;
100 int number_of_entries = Transducers.size();
101
102 TRANSDUCER_DATA * data_p = (TRANSDUCER_DATA *) NULL;
103
104 /*while( loop_index < number_of_entries )
105 {
106 data_p = (TRANSDUCER_DATA *) Transducers[ loop_index ];
107 Transducers[ loop_index ] = NULL;
108 delete data_p;
109 loop_index++;
110 }*/
111
112 Transducers.clear();
113}
114
115TRANSDUCER_DATA::TRANSDUCER_DATA()
116{
117 Empty();
118}
119
120TRANSDUCER_DATA::~TRANSDUCER_DATA()
121{
122 Empty();
123}
124
125void TRANSDUCER_DATA::Empty( void )
126{
127 TransducerType = TransducerUnknown;
128 MeasurementData = 0.0;
129 //MeasurementUnits.Empty();
130 //TransducerName.Empty();
131}
132
133void TRANSDUCER_DATA::Parse( int first_field_number, const SENTENCE& sentence )
134{
135 TransducerType = sentence.TransducerType( first_field_number );
136 MeasurementData = sentence.Double( first_field_number + 1 );
137 MeasurementUnits = sentence.Field( first_field_number + 2 );
138 TransducerName = sentence.Field( first_field_number + 3 );
139}
140
141void TRANSDUCER_DATA::Write( SENTENCE& sentence )
142{
143 sentence += TransducerType;
144 sentence += MeasurementData;
145 sentence += MeasurementUnits;
146 sentence += TransducerName;
147}
148
149const TRANSDUCER_DATA& TRANSDUCER_DATA::operator = ( const TRANSDUCER_DATA& source )
150{
151 TransducerType = source.TransducerType;
152 MeasurementData = source.MeasurementData;
153 MeasurementUnits = source.MeasurementUnits;
154 TransducerName = source.TransducerName;
155
156 return( *this );
157}
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