use red LED to indicate system startup

[fw/altos] / ao_flight.c

diff --git a/ao_flight.c b/ao_flight.c
index f31b4cd4e617af11e0bbe9237954fba8cf0c85f6..5060b53ce6243f91e266fe613f3ca2e13e0c549c 100644 (file)
--- a/ao_flight.c
+++ b/ao_flight.c
@@ -20,15 +20,15 @@
 
 /* Main flight thread. */
 
-__xdata struct ao_adc  ao_flight_data;
-__data enum flight_state       ao_flight_state;
-__data uint16_t                        ao_flight_state_tick;
-__data int16_t                 ao_flight_accel;
-__data int16_t                 ao_flight_pres;
-__data int16_t                 ao_ground_pres;
-__data int16_t                 ao_ground_accel;
-__data int16_t                 ao_min_pres;
-__data uint16_t                        ao_launch_time;
+__xdata struct ao_adc          ao_flight_data;         /* last acquired data */
+__data enum flight_state       ao_flight_state;        /* current flight state */
+__data uint16_t                        ao_flight_state_tick;   /* time of last data */
+__data int16_t                 ao_flight_accel;        /* filtered acceleration */
+__data int16_t                 ao_flight_pres;         /* filtered pressure */
+__data int16_t                 ao_ground_pres;         /* startup pressure */
+__data int16_t                 ao_ground_accel;        /* startup acceleration */
+__data int16_t                 ao_min_pres;            /* minimum recorded pressure */
+__data uint16_t                        ao_launch_time;         /* time of launch detect */
 
 /* Accelerometer calibration
  *
@@ -111,6 +111,8 @@ ao_flight(void)
                                ao_flight_state_tick = ao_time();
                                ao_report_notify();
                        }
+                       /* signal successful initialization by turning off the LED */
+                       ao_led_off(AO_LED_RED);
                        break;
                case ao_flight_launchpad:
                        if (ao_flight_accel < ACCEL_BOOST ||