Tweaked FDM interface.
Testing check sum support for NMEA serial output.
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curt
parent
de4713bf2a
commit
24fc48a0d5
5 changed files with 53 additions and 16 deletions
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@ -70,7 +70,7 @@ void FGState::extrapolate( int time_offset ) {
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// Initialize the flight model parameters
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int fgFlightModelInit(int model, FGState& f, double dt) {
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int fgFDMInit(int model, FGState& f, double dt) {
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double save_alt = 0.0;
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FG_LOG( FG_FLIGHT ,FG_INFO, "Initializing flight model" );
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@ -120,7 +120,7 @@ int fgFlightModelInit(int model, FGState& f, double dt) {
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// Run multiloop iterations of the flight model
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int fgFlightModelUpdate(int model, FGState& f, int multiloop, int time_offset) {
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int fgFDMUpdate(int model, FGState& f, int multiloop, int time_offset) {
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double time_step, start_elev, end_elev;
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// printf("Altitude = %.2f\n", FG_Altitude * 0.3048);
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@ -161,7 +161,7 @@ int fgFlightModelUpdate(int model, FGState& f, int multiloop, int time_offset) {
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// Set the altitude (force)
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void fgFlightModelSetAltitude(int model, double alt_meters) {
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void fgFDMForceAltitude(int model, double alt_meters) {
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double sea_level_radius_meters;
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double lat_geoc;
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@ -181,7 +181,17 @@ void fgFlightModelSetAltitude(int model, double alt_meters) {
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}
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// Set the local ground elevation
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void fgFDMSetGroundElevation(int model, double ground_meters) {
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base_fdm_state.set_Runway_altitude( ground_meters * METER_TO_FEET );
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}
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// $Log$
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// Revision 1.12 1999/01/20 13:42:22 curt
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// Tweaked FDM interface.
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// Testing check sum support for NMEA serial output.
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//
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// Revision 1.11 1999/01/19 17:52:06 curt
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// Working on being able to extrapolate a new position and orientation
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// based on a position, orientation, and time offset.
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@ -84,6 +84,11 @@
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#include <Time/timestamp.hxx>
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#ifndef __cplusplus
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# error This library requires C++
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#endif
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typedef double FG_VECTOR_3[3];
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@ -793,19 +798,26 @@ extern FGState cur_fdm_state;
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// General interface to the flight model routines
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// Initialize the flight model parameters
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int fgFlightModelInit(int model, FGState& f, double dt);
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int fgFDMInit(int model, FGState& f, double dt);
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// Run multiloop iterations of the flight model
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int fgFlightModelUpdate(int model, FGState& f, int multiloop, int jitter);
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int fgFDMUpdate(int model, FGState& f, int multiloop, int jitter);
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// Set the altitude (force)
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void fgFlightModelSetAltitude(int model, double alt_meters);
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void fgFDMForceAltitude(int model, double alt_meters);
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// Set the local ground elevation
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void fgFDMSetGroundElevation(int model, double alt_meters);
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#endif // _FLIGHT_HXX
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// $Log$
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// Revision 1.12 1999/01/20 13:42:23 curt
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// Tweaked FDM interface.
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// Testing check sum support for NMEA serial output.
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//
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// Revision 1.11 1999/01/19 17:52:07 curt
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// Working on being able to extrapolate a new position and orientation
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// based on a position, orientation, and time offset.
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@ -386,10 +386,10 @@ void fgUpdateTimeDepCalcs(int multi_loop, int remainder) {
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fgAPRun();
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// printf("updating flight model x %d\n", multi_loop);
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fgFlightModelUpdate( current_options.get_flight_model(),
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fgFDMUpdate( current_options.get_flight_model(),
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cur_fdm_state, multi_loop, remainder );
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} else {
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fgFlightModelUpdate( current_options.get_flight_model(),
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fgFDMUpdate( current_options.get_flight_model(),
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cur_fdm_state, 0, remainder );
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}
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@ -492,14 +492,15 @@ static void fgMainLoop( void ) {
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f->get_Altitude() * FEET_TO_METER,
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scenery.cur_elev + alt_adjust_m - 3.0,
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scenery.cur_elev + alt_adjust_m );
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fgFlightModelSetAltitude( current_options.get_flight_model(),
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fgFDMForceAltitude( current_options.get_flight_model(),
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scenery.cur_elev + alt_adjust_m );
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FG_LOG( FG_ALL, FG_DEBUG,
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"<*> resetting altitude to "
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<< f->get_Altitude() * FEET_TO_METER << " meters" );
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}
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f->set_Runway_altitude( scenery.cur_elev * METER_TO_FEET );
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fgFDMSetGroundElevation( current_options.get_flight_model(),
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scenery.cur_elev ); // meters
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}
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/* printf("Adjustment - ground = %.2f runway = %.2f alt = %.2f\n",
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@ -1002,6 +1003,10 @@ int main( int argc, char **argv ) {
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// $Log$
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// Revision 1.82 1999/01/20 13:42:24 curt
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// Tweaked FDM interface.
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// Testing check sum support for NMEA serial output.
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//
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// Revision 1.81 1999/01/19 20:57:03 curt
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// MacOS portability changes contributed by "Robert Puyol" <puyol@abvent.fr>
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//
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@ -107,7 +107,8 @@ int fgInitPosition( void ) {
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"starting altitude is = " << current_options.get_altitude() );
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f->set_Altitude( current_options.get_altitude() * METER_TO_FEET );
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f->set_Runway_altitude( f->get_Altitude() - 3.758099 );
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fgFDMSetGroundElevation( current_options.get_flight_model(),
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(f->get_Altitude() - 3.758099) * FEET_TO_METER );
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FG_LOG( FG_GENERAL, FG_INFO,
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"Initial position is: ("
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@ -208,7 +209,8 @@ int fgInitSubsystems( void )
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tmp_abs_view_pos );
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FG_LOG( FG_GENERAL, FG_DEBUG,
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"Altitude after update " << scenery.cur_elev );
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f->set_Runway_altitude( scenery.cur_elev * METER_TO_FEET );
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fgFDMSetGroundElevation( current_options.get_flight_model(),
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scenery.cur_elev );
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// Reset our altitude if we are below ground
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if ( f->get_Altitude() < f->get_Runway_altitude() + 3.758099) {
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@ -341,7 +343,7 @@ int fgInitSubsystems( void )
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// Initialize the flight model subsystem data structures base on
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// above values
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fgFlightModelInit( current_options.get_flight_model(), cur_fdm_state,
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fgFDMInit( current_options.get_flight_model(), cur_fdm_state,
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1.0 / DEFAULT_MODEL_HZ );
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// I'm just sticking this here for now, it should probably move
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@ -379,6 +381,10 @@ int fgInitSubsystems( void )
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// $Log$
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// Revision 1.62 1999/01/20 13:42:25 curt
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// Tweaked FDM interface.
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// Testing check sum support for NMEA serial output.
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//
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// Revision 1.61 1999/01/08 03:23:57 curt
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// Beginning work on compensating for sim time vs. real world time "jitter".
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//
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@ -294,11 +294,11 @@ static void send_nmea_out( fgIOCHANNEL& p ) {
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// $GPRMC,HHMMSS,A,DDMM.MMM,N,DDDMM.MMM,W,XXX.X,XXX.X,DDMMYY,XXX.X,E*XX
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sprintf( rmc, "GPRMC,%s,A,%s,%s,%s,%s,%s,0.000,E",
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utc, lat, lon, speed, heading, date );
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sprintf( rmc_sum, "%02X", 0 /*calc_nmea_cksum(rmc)*/ );
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sprintf( rmc_sum, "%02X", calc_nmea_cksum(rmc) );
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sprintf( gga, "GPGGA,%s,%s,%s,1,,,%s,F,,,,",
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utc, lat, lon, altitude_ft );
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sprintf( gga_sum, "%02X", 0 /*calc_nmea_cksum(gga)*/ );
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sprintf( gga_sum, "%02X", calc_nmea_cksum(gga) );
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FG_LOG( FG_SERIAL, FG_DEBUG, rmc );
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@ -456,6 +456,10 @@ void fgSerialProcess() {
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// $Log$
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// Revision 1.9 1999/01/20 13:42:26 curt
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// Tweaked FDM interface.
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// Testing check sum support for NMEA serial output.
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//
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// Revision 1.8 1999/01/19 20:57:04 curt
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// MacOS portability changes contributed by "Robert Puyol" <puyol@abvent.fr>
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//
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