diff options
| author | Keith Packard <keithp@keithp.com> | 2012-12-17 17:03:41 -0800 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2012-12-17 17:03:41 -0800 |
| commit | b1d37be4c024e9690107c693d9819229025966fa (patch) | |
| tree | 7014df48ae04daf6b8eefe53b2b1853ec3e5993a /src/test/ao_flight_test.c | |
| parent | b6c9e8ffc87481a23ba90fa22df7c9421e2cd6a6 (diff) | |
altos: Average MPU6000 values on ground for later use
Having long-term ground averages recorded to the eeprom file will make
post-flight analysis of the data better.
Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'src/test/ao_flight_test.c')
| -rw-r--r-- | src/test/ao_flight_test.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/src/test/ao_flight_test.c b/src/test/ao_flight_test.c index acdf4d92..cdd1f236 100644 --- a/src/test/ao_flight_test.c +++ b/src/test/ao_flight_test.c @@ -236,10 +236,14 @@ extern int32_t ao_accel_scale; extern alt_t ao_ground_height; extern alt_t ao_sample_alt; +double ao_sample_qangle; + int ao_sample_prev_tick; uint16_t prev_tick; + #include "ao_kalman.c" +#include "ao_sqrt.c" #include "ao_sample.c" #include "ao_flight.c" @@ -309,7 +313,7 @@ ao_mpu6000_accel(int16_t sensor) } static double -ao_mpu6000_gyro(int16_t sensor) +ao_mpu6000_gyro(int32_t sensor) { return sensor / 32767.0 * MPU6000_GYRO_FULLSCALE; } @@ -370,6 +374,7 @@ ao_insert(void) if (!ao_summary) { printf("%7.2f height %8.2f accel %8.3f " #if MEGAMETRUM + "roll %8.3f angle %8.3f qangle %8.3f " "accel_x %8.3f accel_y %8.3f accel_z %8.3f gyro_x %8.3f gyro_y %8.3f gyro_z %8.3f " #endif "state %-8.8s k_height %8.2f k_speed %8.3f k_accel %8.3f avg_height %5d drogue %4d main %4d error %5d\n", @@ -377,6 +382,9 @@ ao_insert(void) height, accel, #if MEGAMETRUM + ao_mpu6000_gyro(ao_sample_roll_angle) / 100.0, + ao_mpu6000_gyro(ao_sample_angle) / 100.0, + ao_sample_qangle, ao_mpu6000_accel(ao_data_static.mpu6000.accel_x), ao_mpu6000_accel(ao_data_static.mpu6000.accel_y), ao_mpu6000_accel(ao_data_static.mpu6000.accel_z), @@ -715,12 +723,14 @@ update_orientation (double rate_x, double rate_y, double rate_z, int tick) q_dot.q2 = 0.5 * (ao_orient.q0 * rate_y + ao_orient.q3 * rate_x - ao_orient.q1 * rate_z) + lambda * ao_orient.q2; q_dot.q3 = 0.5 * (ao_orient.q0 * rate_z + ao_orient.q1 * rate_y - ao_orient.q2 * rate_x) + lambda * ao_orient.q3; +#if 0 printf ("update_orientation %g %g %g (%g s)\n", rate_x, rate_y, rate_z, dt); printf ("q_dot (%g) %g %g %g\n", q_dot.q0, q_dot.q1, q_dot.q2, q_dot.q3); +#endif ao_orient.q0 += q_dot.q0 * dt; ao_orient.q1 += q_dot.q1 * dt; @@ -731,6 +741,8 @@ update_orientation (double rate_x, double rate_y, double rate_z, int tick) ao_quat_rot(&ao_current, &ao_up, &ao_orient); + ao_sample_qangle = 180 / M_PI * acos(ao_current.q3 * sqrt(2)); +#if 0 printf ("orient (%g) %g %g %g current (%g) %g %g %g\n", ao_orient.q0, ao_orient.q1, @@ -740,6 +752,7 @@ update_orientation (double rate_x, double rate_y, double rate_z, int tick) ao_current.q1, ao_current.q2, ao_current.q3); +#endif } #endif @@ -845,7 +858,7 @@ ao_sleep(void *wchan) double rate_y = ao_mpu6000_gyro(ao_data_static.mpu6000.gyro_y - ao_ground_mpu6000.gyro_y); double rate_z = ao_mpu6000_gyro(ao_data_static.mpu6000.gyro_z - ao_ground_mpu6000.gyro_z); - update_orientation(rate_x, rate_z, rate_y, tick); + update_orientation(rate_x * M_PI / 180, rate_z * M_PI / 180, rate_y * M_PI / 180, tick); } ao_records_read++; ao_insert(); |