Branch data Line data Source code
1 : : /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
2 : :
3 : : Module: FGDeadBand.cpp
4 : : Author: Jon S. Berndt
5 : : Date started: 11/1999
6 : :
7 : : ------------- Copyright (C) 2000 -------------
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 "FGDeadBand.h"
41 : : #include "input_output/FGXMLElement.h"
42 : : #include "input_output/FGPropertyManager.h"
43 : : #include <iostream>
44 : :
45 : : using namespace std;
46 : :
47 : : namespace JSBSim {
48 : :
49 : : static const char *IdSrc = "$Id: FGDeadBand.cpp,v 1.10 2010/08/21 22:56:11 jberndt Exp $";
50 : : static const char *IdHdr = ID_DEADBAND;
51 : :
52 : : /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
53 : : CLASS IMPLEMENTATION
54 : : %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
55 : :
56 : : //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
57 : :
58 : 0 : FGDeadBand::FGDeadBand(FGFCS* fcs, Element* element) : FGFCSComponent(fcs, element)
59 : : {
60 : 0 : string width_string;
61 : :
62 : 0 : WidthPropertyNode = 0;
63 : 0 : WidthPropertySign = 1.0;
64 : 0 : gain = 1.0;
65 : 0 : width = 0.0;
66 : :
67 [ # # ][ # # ]: 0 : if ( element->FindElement("width") ) {
68 : 0 : width_string = element->FindElementValue("width");
69 [ # # # # ]: 0 : if (!is_number(width_string)) { // property
70 [ # # # # ]: 0 : if (width_string[0] == '-') {
71 : 0 : WidthPropertySign = -1.0;
72 : 0 : width_string.erase(0,1);
73 : : }
74 : 0 : WidthPropertyNode = PropertyManager->GetNode(width_string);
75 : : } else {
76 : 0 : width = element->FindElementValueAsNumber("width");
77 : : }
78 : : }
79 : :
80 [ # # ][ # # ]: 0 : if (element->FindElement("gain")) {
81 : 0 : gain = element->FindElementValueAsNumber("gain");
82 : : }
83 : :
84 : 0 : FGFCSComponent::bind();
85 : 0 : Debug(0);
86 : 0 : }
87 : :
88 : : //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
89 : :
90 : 0 : FGDeadBand::~FGDeadBand()
91 : : {
92 : 0 : Debug(1);
93 [ # # ][ # # ]: 0 : }
[ # # ]
94 : :
95 : : //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
96 : :
97 : 0 : bool FGDeadBand::Run(void )
98 : : {
99 : 0 : Input = InputNodes[0]->getDoubleValue() * InputSigns[0];
100 : :
101 [ # # ]: 0 : if (WidthPropertyNode != 0) {
102 : 0 : width = WidthPropertyNode->getDoubleValue() * WidthPropertySign;
103 : : }
104 : :
105 [ # # ]: 0 : if (Input < -width/2.0) {
106 : 0 : Output = (Input + width/2.0)*gain;
107 [ # # ]: 0 : } else if (Input > width/2.0) {
108 : 0 : Output = (Input - width/2.0)*gain;
109 : : } else {
110 : 0 : Output = 0.0;
111 : : }
112 : :
113 : 0 : Clip();
114 : :
115 [ # # ]: 0 : if (IsOutput) SetOutput();
116 : :
117 : 0 : return true;
118 : : }
119 : :
120 : : //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
121 : : // The bitmasked value choices are as follows:
122 : : // unset: In this case (the default) JSBSim would only print
123 : : // out the normally expected messages, essentially echoing
124 : : // the config files as they are read. If the environment
125 : : // variable is not set, debug_lvl is set to 1 internally
126 : : // 0: This requests JSBSim not to output any messages
127 : : // whatsoever.
128 : : // 1: This value explicity requests the normal JSBSim
129 : : // startup messages
130 : : // 2: This value asks for a message to be printed out when
131 : : // a class is instantiated
132 : : // 4: When this value is set, a message is displayed when a
133 : : // FGModel object executes its Run() method
134 : : // 8: When this value is set, various runtime state variables
135 : : // are printed out periodically
136 : : // 16: When set various parameters are sanity checked and
137 : : // a message is printed out when they go out of bounds
138 : :
139 : 0 : void FGDeadBand::Debug(int from)
140 : : {
141 [ # # ]: 0 : if (debug_lvl <= 0) return;
142 : :
143 [ # # ]: 0 : if (debug_lvl & 1) { // Standard console startup message output
144 [ # # ]: 0 : if (from == 0) { // Constructor
145 : 0 : cout << " INPUT: " << InputNames[0] << endl;
146 [ # # ]: 0 : if (WidthPropertyNode != 0) {
147 : 0 : cout << " DEADBAND WIDTH: " << WidthPropertyNode->GetName() << endl;
148 : : } else {
149 : 0 : cout << " DEADBAND WIDTH: " << width << endl;
150 : : }
151 : 0 : cout << " GAIN: " << gain << endl;
152 [ # # ]: 0 : if (IsOutput) {
153 [ # # ]: 0 : for (unsigned int i=0; i<OutputNodes.size(); i++)
154 : 0 : cout << " OUTPUT: " << OutputNodes[i]->getName() << endl;
155 : : }
156 : : }
157 : : }
158 [ # # ]: 0 : if (debug_lvl & 2 ) { // Instantiation/Destruction notification
159 [ # # ]: 0 : if (from == 0) cout << "Instantiated: FGDeadBand" << endl;
160 [ # # ]: 0 : if (from == 1) cout << "Destroyed: FGDeadBand" << endl;
161 : : }
162 : 0 : if (debug_lvl & 4 ) { // Run() method entry print for FGModel-derived objects
163 : : }
164 : 0 : if (debug_lvl & 8 ) { // Runtime state variables
165 : : }
166 : 0 : if (debug_lvl & 16) { // Sanity checking
167 : : }
168 [ # # ]: 0 : if (debug_lvl & 64) {
169 [ # # ]: 0 : if (from == 0) { // Constructor
170 : 0 : cout << IdSrc << endl;
171 : 0 : cout << IdHdr << endl;
172 : : }
173 : : }
174 : : }
175 [ + + ][ + - ]: 12 : }
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