Handle vageries of .telem files in ao-postflight

[fw/altos] / ao-tools / ao-postflight / ao-postflight.c

diff --git a/ao-tools/ao-postflight/ao-postflight.c b/ao-tools/ao-postflight/ao-postflight.c
index f0e2c2ae235ab76697ccc8d9e2a365c5cfe66919..9371f35174ed2c8966ee1dff67439d421246d6a8 100644 (file)
--- a/ao-tools/ao-postflight/ao-postflight.c
+++ b/ao-tools/ao-postflight/ao-postflight.c
@@ -81,43 +81,57 @@ analyse_flight(struct cc_flightraw *f)
 
        pres_i = cc_timedata_min(&f->pres, f->pres.data[0].time,
                                 f->pres.data[f->pres.num-1].time);
-       min_pres = f->pres.data[pres_i].value;
-       height = cc_barometer_to_altitude(min_pres) -
-               cc_barometer_to_altitude(f->ground_pres);
-       printf ("Max height: %9.2fm    %9.2fft %9.2fs\n",
-               height, height * 100 / 2.54 / 12,
-               (f->pres.data[pres_i].time - boost_start) / 100.0);
+       if (pres_i)
+       {
+               min_pres = f->pres.data[pres_i].value;
+               height = cc_barometer_to_altitude(min_pres) -
+                       cc_barometer_to_altitude(f->ground_pres);
+               printf ("Max height: %9.2fm    %9.2fft %9.2fs\n",
+                       height, height * 100 / 2.54 / 12,
+                       (f->pres.data[pres_i].time - boost_start) / 100.0);
+       }
 
        accel_i = cc_timedata_min(&f->accel, boost_start, boost_stop);
-       accel = cc_accelerometer_to_acceleration(f->accel.data[accel_i].value,
-                                                f->ground_accel);
-       printf ("Max accel:  %9.2fm/s² %9.2fg  %9.2fs\n",
-               accel, accel /  9.80665,
-               (f->accel.data[accel_i].time - boost_start) / 100.0);
+       if (accel_i)
+       {
+               accel = cc_accelerometer_to_acceleration(f->accel.data[accel_i].value,
+                                                        f->ground_accel);
+               printf ("Max accel:  %9.2fm/s² %9.2fg  %9.2fs\n",
+                       accel, accel /  9.80665,
+                       (f->accel.data[accel_i].time - boost_start) / 100.0);
+       }
        for (i = 0; i < f->state.num; i++) {
                state = f->state.data[i].value;
                state_start = f->state.data[i].time;
+               while (i < f->state.num - 1 && f->state.data[i+1].value == state)
+                       i++;
                if (i < f->state.num - 1)
-                       state_stop = f->state.data[i+1].time;
+                       state_stop = f->state.data[i + 1].time;
                else
                        state_stop = f->accel.data[f->accel.num-1].time;
                printf("State: %s\n", state_names[state]);
                printf("\tStart:      %9.2fs\n", (state_start - boost_start) / 100.0);
                printf("\tDuration:   %9.2fs\n", (state_stop - state_start) / 100.0);
                accel_i = cc_timedata_min(&f->accel, state_start, state_stop);
-               accel = cc_accelerometer_to_acceleration(f->accel.data[accel_i].value,
-                                                        f->ground_accel);
-               printf("\tMax accel:  %9.2fm/s² %9.2fg  %9.2fs\n",
-                      accel, accel / 9.80665,
-                      (f->accel.data[accel_i].time - boost_start) / 100.0);
+               if (accel_i >= 0)
+               {
+                       accel = cc_accelerometer_to_acceleration(f->accel.data[accel_i].value,
+                                                                f->ground_accel);
+                       printf("\tMax accel:  %9.2fm/s² %9.2fg  %9.2fs\n",
+                              accel, accel / 9.80665,
+                              (f->accel.data[accel_i].time - boost_start) / 100.0);
+               }
 
                pres_i = cc_timedata_min(&f->pres, state_start, state_stop);
-               min_pres = f->pres.data[pres_i].value;
-               height = cc_barometer_to_altitude(min_pres) -
-                       cc_barometer_to_altitude(f->ground_pres);
-               printf ("\tMax height: %9.2fm    %9.2fft %9.2fs\n",
-                       height, height * 100 / 2.54 / 12,
-                       (f->pres.data[pres_i].time - boost_start) / 100.0);
+               if (pres_i >= 0)
+               {
+                       min_pres = f->pres.data[pres_i].value;
+                       height = cc_barometer_to_altitude(min_pres) -
+                               cc_barometer_to_altitude(f->ground_pres);
+                       printf ("\tMax height: %9.2fm    %9.2fft %9.2fs\n",
+                               height, height * 100 / 2.54 / 12,
+                               (f->pres.data[pres_i].time - boost_start) / 100.0);
+               }
        }
 }