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 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
42 static const char *IdSrc = "$Id$";
43 static const char *IdHdr = ID_GAIN;
45 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
47 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
50 FGGain::FGGain(FGFCS* fcs, FGConfigFile* AC_cfg) : FGFCSComponent(fcs),
54 string strScheduledBy;
57 State = fcs->GetState();
66 Type = AC_cfg->GetValue("TYPE");
67 Name = AC_cfg->GetValue("NAME");
68 AC_cfg->GetNextConfigLine();
70 while ((token = AC_cfg->GetValue()) != string("/COMPONENT")) {
74 } else if (token == "INPUT") {
75 token = AC_cfg->GetValue("INPUT");
76 if (token.find("FG_") != token.npos) {
78 InputNode = PropertyManager->GetNode(
79 fcs->GetState()->GetPropertyName(token) );
80 InputType = itPilotAC;
85 } else if (token == "GAIN") {
87 } else if (token == "MIN") {
89 } else if (token == "MAX") {
91 } else if (token == "INVERT") {
93 } else if (token == "ROWS") {
95 Table = new FGTable(Rows);
96 } else if (token == "SCHEDULED_BY") {
97 token = AC_cfg->GetValue("SCHEDULED_BY");
98 if (token.find("FG_") != token.npos) {
99 *AC_cfg >> strScheduledBy;
100 ScheduledBy = PropertyManager->GetNode(
101 fcs->GetState()->GetPropertyName(strScheduledBy) );
103 } else if (token == "OUTPUT") {
105 *AC_cfg >> sOutputIdx;
106 OutputNode = PropertyManager->GetNode(
107 fcs->GetState()->GetPropertyName(sOutputIdx) );
110 AC_cfg->ResetLineIndexToZero();
117 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
124 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
126 bool FGGain::Run(void )
128 double SchedGain = 1.0;
129 double LookupVal = 0;
131 FGFCSComponent::Run(); // call the base class for initialization of Input
133 if (Type == "PURE_GAIN") {
134 Output = Gain * Input;
135 } else if (Type == "SCHEDULED_GAIN") {
136 LookupVal = ScheduledBy->getDoubleValue();
137 SchedGain = Table->GetValue(LookupVal);
138 Output = Gain * SchedGain * Input;
139 } else if (Type == "AEROSURFACE_SCALE") {
142 if (Input >= 0.0) Output = Input * Max;
143 else Output = Input * -Min;
146 if (Input <= 0.0) Output = Input * -Max;
147 else Output = Input * Min;
152 if (IsOutput) SetOutput();
157 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
158 // The bitmasked value choices are as follows:
159 // unset: In this case (the default) JSBSim would only print
160 // out the normally expected messages, essentially echoing
161 // the config files as they are read. If the environment
162 // variable is not set, debug_lvl is set to 1 internally
163 // 0: This requests JSBSim not to output any messages
165 // 1: This value explicity requests the normal JSBSim
167 // 2: This value asks for a message to be printed out when
168 // a class is instantiated
169 // 4: When this value is set, a message is displayed when a
170 // FGModel object executes its Run() method
171 // 8: When this value is set, various runtime state variables
172 // are printed out periodically
173 // 16: When set various parameters are sanity checked and
174 // a message is printed out when they go out of bounds
176 void FGGain::Debug(int from)
178 if (debug_lvl <= 0) return;
180 if (debug_lvl & 1) { // Standard console startup message output
181 if (from == 0) { // Constructor
182 cout << " ID: " << ID << endl;
185 cout << " INPUT: " << InputNode->getName() << endl;
188 cout << " INPUT: FCS Component " << InputIdx << " (" <<
189 fcs->GetComponentName(InputIdx) << ")" << endl;
195 cout << " GAIN: " << Gain << endl;
196 if (IsOutput) cout << " OUTPUT: " << OutputNode->getName() << endl;
197 cout << " MIN: " << Min << endl;
198 cout << " MAX: " << Max << endl;
199 if(invert) cout << " Invert mapping" << endl;
200 if (ScheduledBy != 0) {
201 cout << " Scheduled by parameter: " << ScheduledBy->getName() << endl;
206 if (debug_lvl & 2 ) { // Instantiation/Destruction notification
207 if (from == 0) cout << "Instantiated: FGGain" << endl;
208 if (from == 1) cout << "Destroyed: FGGain" << endl;
210 if (debug_lvl & 4 ) { // Run() method entry print for FGModel-derived objects
212 if (debug_lvl & 8 ) { // Runtime state variables
214 if (debug_lvl & 16) { // Sanity checking
216 if (debug_lvl & 64) {
217 if (from == 0) { // Constructor
218 cout << IdSrc << endl;
219 cout << IdHdr << endl;