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, Element* element) : FGFCSComponent(fcs, element)
58 if (element->FindElement("width")) {
59 width = element->FindElementValueAsNumber("width");
62 if (element->FindElement("gain")) {
63 gain = element->FindElementValueAsNumber("gain");
66 FGFCSComponent::bind();
70 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
72 FGDeadBand::~FGDeadBand()
77 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
79 bool FGDeadBand::Run(void )
81 Input = InputNodes[0]->getDoubleValue() * InputSigns[0];
83 if (Input < -width/2.0) {
84 Output = (Input + width/2.0)*gain;
85 } else if (Input > width/2.0) {
86 Output = (Input - width/2.0)*gain;
93 if (IsOutput) SetOutput();
98 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
99 // The bitmasked value choices are as follows:
100 // unset: In this case (the default) JSBSim would only print
101 // out the normally expected messages, essentially echoing
102 // the config files as they are read. If the environment
103 // variable is not set, debug_lvl is set to 1 internally
104 // 0: This requests JSBSim not to output any messages
106 // 1: This value explicity requests the normal JSBSim
108 // 2: This value asks for a message to be printed out when
109 // a class is instantiated
110 // 4: When this value is set, a message is displayed when a
111 // FGModel object executes its Run() method
112 // 8: When this value is set, various runtime state variables
113 // are printed out periodically
114 // 16: When set various parameters are sanity checked and
115 // a message is printed out when they go out of bounds
117 void FGDeadBand::Debug(int from)
119 if (debug_lvl <= 0) return;
121 if (debug_lvl & 1) { // Standard console startup message output
122 if (from == 0) { // Constructor
123 cout << " INPUT: " << InputNodes[0]->getName() << endl;
124 cout << " DEADBAND WIDTH: " << width << endl;
125 cout << " GAIN: " << gain << endl;
126 if (clip) cout << " CLIPTO: " << clipmin
127 << ", " << clipmax << endl;
128 if (IsOutput) cout << " OUTPUT: " << OutputNode->getName() << endl;
131 if (debug_lvl & 2 ) { // Instantiation/Destruction notification
132 if (from == 0) cout << "Instantiated: FGDeadBand" << endl;
133 if (from == 1) cout << "Destroyed: FGDeadBand" << endl;
135 if (debug_lvl & 4 ) { // Run() method entry print for FGModel-derived objects
137 if (debug_lvl & 8 ) { // Runtime state variables
139 if (debug_lvl & 16) { // Sanity checking
141 if (debug_lvl & 64) {
142 if (from == 0) { // Constructor
143 cout << IdSrc << endl;
144 cout << IdHdr << endl;