1 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
7 ------------- Copyright (C) 2000 -------------
9 This program is free software; you can redistribute it and/or modify it under
10 the terms of the GNU General Public License as published by the Free Software
11 Foundation; either version 2 of the License, or (at your option) any later
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 General Public License for more
19 You should have received a copy of the GNU 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.
23 Further information about the GNU General Public License can also be found on
24 the world wide web at http://www.gnu.org.
26 FUNCTIONAL DESCRIPTION
27 --------------------------------------------------------------------------------
30 --------------------------------------------------------------------------------
32 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
33 COMMENTS, REFERENCES, and NOTES
34 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
36 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
38 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
40 #include "FGDeadBand.h"
44 static const char *IdSrc = "$Id$";
45 static const char *IdHdr = ID_DEADBAND;
47 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
49 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
51 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
53 FGDeadBand::FGDeadBand(FGFCS* fcs, FGConfigFile* AC_cfg) : FGFCSComponent(fcs),
56 Type = AC_cfg->GetValue("TYPE");
57 Name = AC_cfg->GetValue("NAME");
58 AC_cfg->GetNextConfigLine();
61 clipmax = clipmin = 0.0;
66 while ((token = AC_cfg->GetValue()) != string("/COMPONENT")) {
68 if (token == "INPUT") {
69 if (InputNodes.size() > 0) {
70 cerr << "Deadband can only accept one input" << endl;
73 InputNodes.push_back(resolveSymbol(token));
75 } else if (token == "WIDTH") {
77 } else if (token == "CLIPTO") {
78 *AC_cfg >> clipmin >> clipmax;
79 if (clipmax > clipmin) clip = true;
80 } else if (token == "GAIN") {
82 } else if (token == "OUTPUT") {
84 OutputNode = PropertyManager->GetNode(token);
87 FGFCSComponent::bind();
91 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
93 FGDeadBand::~FGDeadBand()
98 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
100 bool FGDeadBand::Run(void )
102 FGFCSComponent::Run(); // call the base class for initialization of Input
104 Input = InputNodes[0]->getDoubleValue();
106 if (Input < -width/2.0) {
107 Output = (Input + width/2.0)*gain;
108 } else if (Input > width/2.0) {
109 Output = (Input - width/2.0)*gain;
115 if (Output > clipmax) Output = clipmax;
116 else if (Output < clipmin) Output = clipmin;
119 if (IsOutput) SetOutput();
124 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
125 // The bitmasked value choices are as follows:
126 // unset: In this case (the default) JSBSim would only print
127 // out the normally expected messages, essentially echoing
128 // the config files as they are read. If the environment
129 // variable is not set, debug_lvl is set to 1 internally
130 // 0: This requests JSBSim not to output any messages
132 // 1: This value explicity requests the normal JSBSim
134 // 2: This value asks for a message to be printed out when
135 // a class is instantiated
136 // 4: When this value is set, a message is displayed when a
137 // FGModel object executes its Run() method
138 // 8: When this value is set, various runtime state variables
139 // are printed out periodically
140 // 16: When set various parameters are sanity checked and
141 // a message is printed out when they go out of bounds
143 void FGDeadBand::Debug(int from)
145 if (debug_lvl <= 0) return;
147 if (debug_lvl & 1) { // Standard console startup message output
148 if (from == 0) { // Constructor
149 cout << " INPUT: " << InputNodes[0]->getName() << endl;
150 cout << " DEADBAND WIDTH: " << width << endl;
151 cout << " GAIN: " << gain << endl;
152 if (clip) cout << " CLIPTO: " << clipmin
153 << ", " << clipmax << endl;
154 if (IsOutput) cout << " OUTPUT: " << OutputNode->getName() << endl;
157 if (debug_lvl & 2 ) { // Instantiation/Destruction notification
158 if (from == 0) cout << "Instantiated: FGDeadBand" << endl;
159 if (from == 1) cout << "Destroyed: FGDeadBand" << endl;
161 if (debug_lvl & 4 ) { // Run() method entry print for FGModel-derived objects
163 if (debug_lvl & 8 ) { // Runtime state variables
165 if (debug_lvl & 16) { // Sanity checking
167 if (debug_lvl & 64) {
168 if (from == 0) { // Constructor
169 cout << IdSrc << endl;
170 cout << IdHdr << endl;