1 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
6 Purpose: Model the flight controls
9 ------------- Copyright (C) 1999 Jon S. Berndt (jsb@hal-pc.org) -------------
11 This program is free software; you can redistribute it and/or modify it under
12 the terms of the GNU General Public License as published by the Free Software
13 Foundation; either version 2 of the License, or (at your option) any later
16 This program is distributed in the hope that it will be useful, but WITHOUT
17 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
18 FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
21 You should have received a copy of the GNU General Public License along with
22 this program; if not, write to the Free Software Foundation, Inc., 59 Temple
23 Place - Suite 330, Boston, MA 02111-1307, USA.
25 Further information about the GNU General Public License can also be found on
26 the world wide web at http://www.gnu.org.
28 FUNCTIONAL DESCRIPTION
29 --------------------------------------------------------------------------------
30 This class models the flight controls for a specific airplane
33 --------------------------------------------------------------------------------
36 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
38 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
42 #include "FGFDMExec.h"
43 #include "FGAtmosphere.h"
44 #include "FGAircraft.h"
45 #include "FGTranslation.h"
46 #include "FGRotation.h"
47 #include "FGPosition.h"
48 #include "FGAuxiliary.h"
51 #include "filtersjb/FGFilter.h"
52 #include "filtersjb/FGDeadBand.h"
53 #include "filtersjb/FGGain.h"
54 #include "filtersjb/FGGradient.h"
55 #include "filtersjb/FGSwitch.h"
56 #include "filtersjb/FGSummer.h"
57 #include "filtersjb/FGFlaps.h"
59 static const char *IdSrc = "$Id$";
60 static const char *IdHdr = ID_FCS;
62 extern short debug_lvl;
64 /*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
66 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/
68 FGFCS::FGFCS(FGFDMExec* fdmex) : FGModel(fdmex)
72 DaCmd = DeCmd = DrCmd = DfCmd = DsbCmd = DspCmd = PTrimCmd = 0.0;
73 DaPos = DePos = DrPos = DfPos = DsbPos = DspPos = 0.0;
74 LeftBrake = RightBrake = CenterBrake = 0.0;
76 if (debug_lvl & 2) cout << "Instantiated: " << Name << endl;
79 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
88 for(i=0;i<Components.size();i++) delete Components[i];
89 if (debug_lvl & 2) cout << "Destroyed: FGFCS" << endl;
92 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
98 if (!FGModel::Run()) {
99 for (i=0; i<ThrottlePos.size(); i++) ThrottlePos[i] = ThrottleCmd[i];
100 for (i=0; i<Components.size(); i++) Components[i]->Run();
107 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
109 void FGFCS::SetThrottleCmd(int engineNum, float setting)
114 for (ctr=0;ctr<ThrottleCmd.size();ctr++) ThrottleCmd[ctr] = setting;
116 ThrottleCmd[engineNum] = setting;
120 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
122 void FGFCS::SetThrottlePos(int engineNum, float setting)
127 for (ctr=0;ctr<=ThrottleCmd.size();ctr++) ThrottlePos[ctr] = ThrottleCmd[ctr];
129 ThrottlePos[engineNum] = setting;
133 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
135 bool FGFCS::LoadFCS(FGConfigFile* AC_cfg)
139 FCSName = AC_cfg->GetValue("NAME");
140 if (debug_lvl > 0) cout << " Control System Name: " << FCSName << endl;
141 AC_cfg->GetNextConfigLine();
142 while ((token = AC_cfg->GetValue()) != "/FLIGHT_CONTROL") {
143 if (token == "COMPONENT") {
144 token = AC_cfg->GetValue("TYPE");
145 if (debug_lvl > 0) cout << " Loading Component \""
146 << AC_cfg->GetValue("NAME")
147 << "\" of type: " << token << endl;
148 if ((token == "LAG_FILTER") ||
149 (token == "LEAD_LAG_FILTER") ||
150 (token == "SECOND_ORDER_FILTER") ||
151 (token == "WASHOUT_FILTER") ||
152 (token == "INTEGRATOR") ) {
153 Components.push_back(new FGFilter(this, AC_cfg));
154 } else if ((token == "PURE_GAIN") ||
155 (token == "SCHEDULED_GAIN") ||
156 (token == "AEROSURFACE_SCALE") ) {
158 Components.push_back(new FGGain(this, AC_cfg));
160 } else if (token == "SUMMER") {
161 Components.push_back(new FGSummer(this, AC_cfg));
162 } else if (token == "DEADBAND") {
163 Components.push_back(new FGDeadBand(this, AC_cfg));
164 } else if (token == "GRADIENT") {
165 Components.push_back(new FGGradient(this, AC_cfg));
166 } else if (token == "SWITCH") {
167 Components.push_back(new FGSwitch(this, AC_cfg));
168 } else if (token == "FLAPS") {
169 Components.push_back(new FGFlaps(this, AC_cfg));
171 cerr << "Unknown token [" << token << "] in FCS portion of config file" << endl;
174 AC_cfg->GetNextConfigLine();
180 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
182 float FGFCS::GetComponentOutput(eParam idx) {
183 return Components[idx]->GetOutput();
186 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
188 string FGFCS::GetComponentName(int idx) {
189 return Components[idx]->GetName();
192 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
194 float FGFCS::GetBrake(FGLGear::BrakeGroup bg) {
196 case FGLGear::bgLeft:
198 case FGLGear::bgRight:
200 case FGLGear::bgCenter:
203 cerr << "GetBrake asked to return a bogus brake value" << endl;
208 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
210 string FGFCS::GetComponentStrings(void)
214 string CompStrings = "";
215 bool firstime = true;
217 for (comp = 0; comp < Components.size(); comp++) {
218 if (firstime) firstime = false;
219 else CompStrings += ", ";
221 CompStrings += Components[comp]->GetName();
227 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
229 string FGFCS::GetComponentValues(void)
233 string CompValues = "";
235 bool firstime = true;
237 for (comp = 0; comp < Components.size(); comp++) {
238 if (firstime) firstime = false;
239 else CompValues += ", ";
241 sprintf(buffer, "%9.6f", Components[comp]->GetOutput());
242 CompValues += string(buffer);
248 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
250 void FGFCS::AddThrottle(void)
252 ThrottleCmd.push_back(0.0);
253 ThrottlePos.push_back(0.0);
256 //%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
258 void FGFCS::Debug(void)
260 //TODO: Add your source code here