diff options
Diffstat (limited to 'src/micropeak/ao_micropeak.c')
| -rw-r--r-- | src/micropeak/ao_micropeak.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/micropeak/ao_micropeak.c b/src/micropeak/ao_micropeak.c index 1d11300e..bf656979 100644 --- a/src/micropeak/ao_micropeak.c +++ b/src/micropeak/ao_micropeak.c @@ -48,7 +48,10 @@ ao_pa_get(void) #define GROUND_AVG (1 << GROUND_AVG_SHIFT) /* Pressure change (in Pa) to detect boost */ -#define BOOST_DETECT 48 /* 4m at sea level, 4.8m at 2000m */ +#define BOOST_DETECT 120 /* 10m at sea level, 12m at 2000m */ + +/* Wait after power on before doing anything to give the user time to assemble the rocket */ +#define BOOST_DELAY AO_SEC_TO_TICKS(30) /* Pressure change (in Pa) to detect landing */ #define LAND_DETECT 12 /* 1m at sea level, 1.2m at 2000m */ @@ -121,6 +124,7 @@ main(void) ao_log_micro_dump(); #endif + ao_delay(BOOST_DELAY); /* Wait for motion, averaging values to get ground pressure */ time = ao_time(); ao_pa_get(); @@ -136,8 +140,6 @@ main(void) ao_led_off(AO_LED_BLUE); pa_avg = pa_avg - (pa_avg >> FILTER_SHIFT) + pa; pa_diff = pa_ground - pa_avg; - if (pa_diff < 0) - pa_diff = -pa_diff; /* Check for a significant pressure change */ if (pa_diff > (BOOST_DETECT << FILTER_SHIFT)) |