Use flite to announce flight state

[fw/altos] / aoview / aoview_state.c

diff --git a/aoview/aoview_state.c b/aoview/aoview_state.c
index 52f581ff63cdb3d8bf161929065d0964953d3213..13b0f73b8c9ad07e3279974dfcdf04daf665814b 100644 (file)
--- a/aoview/aoview_state.c
+++ b/aoview/aoview_state.c
@@ -73,6 +73,55 @@ aoview_state_add_deg(char *label, double deg, char pos, char neg)
 
 }
 
+static char *ascent_states[] = {
+       "boost",
+       "fast",
+       "coast",
+       0,
+};
+
+void
+aoview_state_speak(struct aostate *state)
+{
+       static char     last_state[32];
+       int             i;
+       gboolean        report = FALSE;
+       static time_t   last_time;
+       time_t          this_time;
+       static int      last_altitude;
+       int             this_altitude;
+
+       if (strcmp(state->state, last_state)) {
+               aoview_voice_speak("rocket state now %s\n", state->state);
+               if (!strcmp(state->state, "drogue"))
+                       aoview_voice_speak("maximum altitude %d meters\n",
+                                          aoview_pres_to_altitude(min_pres) -
+                                          aoview_pres_to_altitude(state->ground_pres));
+               report = TRUE;
+               strcpy(last_state, state->state);
+       }
+       this_time = time(NULL);
+       this_altitude = aoview_pres_to_altitude(state->flight_pres) - aoview_pres_to_altitude(state->ground_pres);
+       if (this_time - last_time >= 10)
+               report = TRUE;
+       if (this_altitude / 1000 != last_altitude / 1000)
+               report = TRUE;
+
+       if (report) {
+               aoview_voice_speak("altitude %d meters\n",
+                                  this_altitude);
+               for (i = 0; ascent_states[i]; i++)
+                       if (!strcmp(ascent_states[i], state->state)) {
+                               aoview_voice_speak("speed %d meters per second\n",
+                                                  state->flight_vel / 2700);
+                               break;
+                       }
+       }
+
+       last_time = this_time;
+       last_altitude = this_altitude;
+}
+
 void
 aoview_state_notify(struct aostate *state)
 {
@@ -171,6 +220,7 @@ aoview_state_notify(struct aostate *state)
                aoview_table_add_row("Pad GPS alt", "%gm", pad_alt);
        }
        aoview_table_finish();
+       aoview_state_speak(state);
 }
 
 void
@@ -193,4 +243,5 @@ void
 aoview_state_init(GladeXML *xml)
 {
        aoview_state_new();
+       aoview_voice_speak("initializing rocket flight monitoring system\n");
 }