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1 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2
3  Module:       FGGyro.cpp
4  Author:       Jon Berndt
5  Date started: 29 August 2009
6
7  ------------- Copyright (C) 2009 -------------
8
9  This program is free software; you can redistribute it and/or modify it under
10  the terms of the GNU Lesser General Public License as published by the Free Software
11  Foundation; either version 2 of the License, or (at your option) any later
12  version.
13
14  This program is distributed in the hope that it will be useful, but WITHOUT
15  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
16  FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
17  details.
18
19  You should have received a copy of the GNU Lesser General Public License along with
20  this program; if not, write to the Free Software Foundation, Inc., 59 Temple
21  Place - Suite 330, Boston, MA  02111-1307, USA.
22
23  Further information about the GNU Lesser General Public License can also be found on
24  the world wide web at http://www.gnu.org.
25
26 FUNCTIONAL DESCRIPTION
27 --------------------------------------------------------------------------------
28
29 HISTORY
30 --------------------------------------------------------------------------------
31
32 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
33 COMMENTS, REFERENCES,  and NOTES
34 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
35
36 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
37 INCLUDES
38 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
39
40 #include "FGGyro.h"
41 #include <iostream>
42
43 #include "models/FGAccelerations.h"
44
45 using namespace std;
46
47 namespace JSBSim {
48
49 static const char *IdSrc = "$Id: FGGyro.cpp,v 1.6 2011/07/17 13:51:23 jberndt Exp $";
50 static const char *IdHdr = ID_GYRO;
51
52 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
53 CLASS IMPLEMENTATION
54 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
55
56 FGGyro::FGGyro(FGFCS* fcs, Element* element) : FGSensor(fcs, element),
57                                                FGSensorOrientation(element)
58 {
59   Accelerations = fcs->GetExec()->GetAccelerations();
60   
61   Debug(0);
62 }
63
64 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
65
66 FGGyro::~FGGyro()
67 {
68   Debug(1);
69 }
70
71 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
72
73 bool FGGyro::Run(void )
74 {
75   // There is no input assumed. This is a dedicated angular acceleration sensor.
76   
77   //aircraft rates
78   vAccel = mT * Accelerations->GetPQRdot();
79
80   Input = vAccel(axis);
81
82   ProcessSensorSignal();
83
84   return true;
85 }
86
87 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
88 //    The bitmasked value choices are as follows:
89 //    unset: In this case (the default) JSBSim would only print
90 //       out the normally expected messages, essentially echoing
91 //       the config files as they are read. If the environment
92 //       variable is not set, debug_lvl is set to 1 internally
93 //    0: This requests JSBSim not to output any messages
94 //       whatsoever.
95 //    1: This value explicity requests the normal JSBSim
96 //       startup messages
97 //    2: This value asks for a message to be printed out when
98 //       a class is instantiated
99 //    4: When this value is set, a message is displayed when a
100 //       FGModel object executes its Run() method
101 //    8: When this value is set, various runtime state variables
102 //       are printed out periodically
103 //    16: When set various parameters are sanity checked and
104 //       a message is printed out when they go out of bounds
105
106 void FGGyro::Debug(int from)
107 {
108   string ax[4] = {"none", "X", "Y", "Z"};
109
110   if (debug_lvl <= 0) return;
111
112   if (debug_lvl & 1) { // Standard console startup message output
113     if (from == 0) { // Constructor
114       cout << "        Axis: " << ax[axis] << endl;
115     }
116   }
117   if (debug_lvl & 2 ) { // Instantiation/Destruction notification
118     if (from == 0) cout << "Instantiated: FGGyro" << endl;
119     if (from == 1) cout << "Destroyed:    FGGyro" << endl;
120   }
121   if (debug_lvl & 4 ) { // Run() method entry print for FGModel-derived objects
122   }
123   if (debug_lvl & 8 ) { // Runtime state variables
124   }
125   if (debug_lvl & 16) { // Sanity checking
126   }
127   if (debug_lvl & 64) {
128     if (from == 0) { // Constructor
129       cout << IdSrc << endl;
130       cout << IdHdr << endl;
131     }
132   }
133 }
134 }