From e64d7bda021feab17e7351acc0620f528a6c6be7 Mon Sep 17 00:00:00 2001
From: Gautier Hattenberger <gautier.hattenberger@enac.fr>
Date: Thu, 19 Feb 2009 10:16:41 +0000
Subject: [PATCH] simulator using jSBSim as dynamic model

---
 sw/simulator/sim_ac_jsbsim.c | 203 +++++++++++++++++++++++++++++++++++
 1 file changed, 203 insertions(+)
 create mode 100644 sw/simulator/sim_ac_jsbsim.c

diff --git a/sw/simulator/sim_ac_jsbsim.c b/sw/simulator/sim_ac_jsbsim.c
new file mode 100644
index 0000000000..c7235196ff
--- /dev/null
+++ b/sw/simulator/sim_ac_jsbsim.c
@@ -0,0 +1,203 @@
+/*
+ * $Id$
+ *  
+ * Copyright (C) 2008 Gautier Hattenberger
+ *
+ * This file is part of paparazzi.
+ *
+ * paparazzi is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * paparazzi is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with paparazzi; see the file COPYING.  If not, write to
+ * the Free Software Foundation, 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA. 
+ *
+ */
+
+#include <glib.h>
+#include <getopt.h>
+
+#include <JSBSim/FGFDMExec.h>
+
+#include <Ivy/ivy.h>
+#include <Ivy/ivyglibloop.h>
+
+#include "aircraft.h"
+
+#include "main_ap.h"
+#include "main_fbw.h"
+
+
+/* 60Hz <-> 17ms */
+#define TIMEOUT_PERIOD 17
+#define DT (TIMEOUT_PERIOD*1e-3)
+double sim_time;
+
+#define DT_DISPLAY 0.04
+double disp_time;
+
+static void sim_gps_feed_data(void);
+static void sim_ir_feed_data(void);
+
+static void     sim_parse_options(int argc, char** argv);
+static void     sim_init(void);
+static gboolean sim_periodic(gpointer data);
+static void     sim_display(void);
+
+static void ivy_transport_init(void);
+static void on_DL_SETTING(IvyClientPtr app __attribute__ ((unused)), 
+    void *user_data __attribute__ ((unused)), 
+    int argc __attribute__ ((unused)), char *argv[]);
+
+
+static void sim_init(void) {
+
+  sim_time = 0.;
+  disp_time = 0.;
+  
+  // init flight model
+
+  // init sensors
+
+  // init environment
+
+  ivy_transport_init();
+
+  // main init
+  init_fbw();
+  init_ap();
+
+}
+
+
+static gboolean sim_periodic(gpointer data __attribute__ ((unused))) {
+  /* read actuators positions */
+
+  // wind model
+
+  // flight model
+
+  // sensors
+  
+  sim_time += DT;
+
+  /* outputs models state */
+  sim_display();
+
+  /* run the airborne code */
+  
+  // feed a rc frame and signal event
+
+  // process it
+  event_task_ap();
+  event_task_fbw();
+
+  //if (booz_sensors_model_baro_available()) {
+  //  Booz2BaroISRHandler(bsm.baro);
+  //  booz2_main_event();
+  //}
+
+  //if (booz_sensors_model_gyro_available()) {
+  //  booz2_imu_b2_feed_data();
+  //  booz2_main_event();
+  //}
+
+  //if (booz_sensors_model_gps_available()) {
+  //  sim_gps_feed_data();
+  //  booz2_main_event();
+  //}
+
+  //if (booz_sensors_model_mag_available()) {
+  //  sim_mag_feed_data();
+  //  booz2_main_event();
+  //}
+
+  periodic_task_ap();
+  periodic_task_fbw();
+
+  return TRUE;
+}
+
+#include "gps.h"
+static void sim_gps_feed_data(void) {
+}
+
+
+#define RPM_OF_RAD_S(a) ((a)*60./M_PI)
+static void sim_display(void) {
+}
+
+int main ( int argc, char** argv) {
+
+  sim_parse_options(argc, argv);
+
+  sim_init();
+
+  GMainLoop *ml =  g_main_loop_new(NULL, FALSE);
+  
+  g_timeout_add(TIMEOUT_PERIOD, sim_periodic, NULL);
+
+  g_main_loop_run(ml);
+
+  return 0;
+}
+
+
+static void ivy_transport_init(void) {
+  IvyInit ("Paparazzi sim " + AC_ID, "READY", NULL, NULL, NULL, NULL);
+  IvyStart("127.255.255.255");
+}
+
+
+static void sim_parse_options(int argc, char** argv) {
+
+  static const char* usage =
+"Usage: %s [options]\n"
+" Options :\n";
+
+
+//  while (1) {
+//
+//    static struct option long_options[] = {
+//      {"fg_host", 1, NULL, 0},
+//      {"fg_port", 1, NULL, 0},
+//      {"js_dev", 1, NULL, 0},
+//      {0, 0, 0, 0}
+//    };
+//    int option_index = 0;
+//    int c = getopt_long(argc, argv, "j:",
+//			long_options, &option_index);
+//    if (c == -1)
+//      break;
+//    
+//    switch (c) {
+//    case 0:
+//      switch (option_index) {
+//      case 0:
+//	fg_host = strdup(optarg); break;
+//      case 1:
+//	fg_port = atoi(optarg); break;
+//      case 2:
+//	joystick_dev = strdup(optarg); break;
+//      }
+//      break;
+//
+//    case 'j':
+//      joystick_dev = strdup(optarg);
+//      break;
+//    
+//    default: /* ’?’ */
+//      printf("?? getopt returned character code 0%o ??\n", c);
+//      fprintf(stderr, usage, argv[0]);
+//      exit(EXIT_FAILURE);
+//    }
+//  }
+}