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author | Julian Oes <julian@oes.ch> | 2014-06-03 16:04:39 +0200 |
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committer | Julian Oes <julian@oes.ch> | 2014-06-03 16:04:39 +0200 |
commit | d1d03c34b9c649cdf382a6b2d5985260c3688ec5 (patch) | |
tree | 5661a36a8921147f8b90baa9488d173c2ed07148 /src/modules/position_estimator_inav/position_estimator_inav_main.c | |
parent | 854bb7fe089daf8bf3d4e9f2cac1cb2b99a67ac7 (diff) | |
parent | da5b60adab798710f8f61940edfee73a1c46542a (diff) | |
download | px4-firmware-d1d03c34b9c649cdf382a6b2d5985260c3688ec5.tar.gz px4-firmware-d1d03c34b9c649cdf382a6b2d5985260c3688ec5.tar.bz2 px4-firmware-d1d03c34b9c649cdf382a6b2d5985260c3688ec5.zip |
Merge remote-tracking branch 'px4/master' into navigator_rewrite
Conflicts:
src/modules/navigator/navigator_main.cpp
Diffstat (limited to 'src/modules/position_estimator_inav/position_estimator_inav_main.c')
-rw-r--r-- | src/modules/position_estimator_inav/position_estimator_inav_main.c | 68 |
1 files changed, 30 insertions, 38 deletions
diff --git a/src/modules/position_estimator_inav/position_estimator_inav_main.c b/src/modules/position_estimator_inav/position_estimator_inav_main.c index 4260623a3..62845494e 100644 --- a/src/modules/position_estimator_inav/position_estimator_inav_main.c +++ b/src/modules/position_estimator_inav/position_estimator_inav_main.c @@ -168,15 +168,15 @@ int position_estimator_inav_main(int argc, char *argv[]) exit(1); } -void write_debug_log(const char *msg, float dt, float x_est[3], float y_est[3], float z_est[3], float x_est_prev[3], float y_est_prev[3], float z_est_prev[3], float corr_acc[3], float corr_gps[3][2], float w_xy_gps_p, float w_xy_gps_v) +void write_debug_log(const char *msg, float dt, float x_est[2], float y_est[2], float z_est[2], float x_est_prev[2], float y_est_prev[2], float z_est_prev[2], float acc[3], float corr_gps[3][2], float w_xy_gps_p, float w_xy_gps_v) { FILE *f = fopen("/fs/microsd/inav.log", "a"); if (f) { char *s = malloc(256); - unsigned n = snprintf(s, 256, "%llu %s\n\tdt=%.5f x_est=[%.5f %.5f %.5f] y_est=[%.5f %.5f %.5f] z_est=[%.5f %.5f %.5f] x_est_prev=[%.5f %.5f %.5f] y_est_prev=[%.5f %.5f %.5f] z_est_prev=[%.5f %.5f %.5f]\n", hrt_absolute_time(), msg, dt, x_est[0], x_est[1], x_est[2], y_est[0], y_est[1], y_est[2], z_est[0], z_est[1], z_est[2], x_est_prev[0], x_est_prev[1], x_est_prev[2], y_est_prev[0], y_est_prev[1], y_est_prev[2], z_est_prev[0], z_est_prev[1], z_est_prev[2]); + unsigned n = snprintf(s, 256, "%llu %s\n\tdt=%.5f x_est=[%.5f %.5f] y_est=[%.5f %.5f] z_est=[%.5f %.5f] x_est_prev=[%.5f %.5f] y_est_prev=[%.5f %.5f] z_est_prev=[%.5f %.5f]\n", hrt_absolute_time(), msg, dt, x_est[0], x_est[1], y_est[0], y_est[1], z_est[0], z_est[1], x_est_prev[0], x_est_prev[1], y_est_prev[0], y_est_prev[1], z_est_prev[0], z_est_prev[1]); fwrite(s, 1, n, f); - n = snprintf(s, 256, "\tacc_corr=[%.5f %.5f %.5f] gps_pos_corr=[%.5f %.5f %.5f] gps_vel_corr=[%.5f %.5f %.5f] w_xy_gps_p=%.5f w_xy_gps_v=%.5f\n", corr_acc[0], corr_acc[1], corr_acc[2], corr_gps[0][0], corr_gps[1][0], corr_gps[2][0], corr_gps[0][1], corr_gps[1][1], corr_gps[2][1], w_xy_gps_p, w_xy_gps_v); + n = snprintf(s, 256, "\tacc=[%.5f %.5f %.5f] gps_pos_corr=[%.5f %.5f %.5f] gps_vel_corr=[%.5f %.5f %.5f] w_xy_gps_p=%.5f w_xy_gps_v=%.5f\n", acc[0], acc[1], acc[2], corr_gps[0][0], corr_gps[1][0], corr_gps[2][0], corr_gps[0][1], corr_gps[1][1], corr_gps[2][1], w_xy_gps_p, w_xy_gps_v); fwrite(s, 1, n, f); free(s); } @@ -195,14 +195,14 @@ int position_estimator_inav_thread_main(int argc, char *argv[]) mavlink_fd = open(MAVLINK_LOG_DEVICE, 0); mavlink_log_info(mavlink_fd, "[inav] started"); - float x_est[3] = { 0.0f, 0.0f, 0.0f }; - float y_est[3] = { 0.0f, 0.0f, 0.0f }; - float z_est[3] = { 0.0f, 0.0f, 0.0f }; + float x_est[2] = { 0.0f, 0.0f }; // pos, vel + float y_est[2] = { 0.0f, 0.0f }; // pos, vel + float z_est[2] = { 0.0f, 0.0f }; // pos, vel float eph = 1.0; float epv = 1.0; - float x_est_prev[3], y_est_prev[3], z_est_prev[3]; + float x_est_prev[2], y_est_prev[2], z_est_prev[2]; memset(x_est_prev, 0, sizeof(x_est_prev)); memset(y_est_prev, 0, sizeof(y_est_prev)); memset(z_est_prev, 0, sizeof(z_est_prev)); @@ -241,7 +241,7 @@ int position_estimator_inav_thread_main(int argc, char *argv[]) float accel_NED[3] = { 0.0f, 0.0f, -CONSTANTS_ONE_G }; /* store error when sensor updates, but correct on each time step to avoid jumps in estimated value */ - float corr_acc[] = { 0.0f, 0.0f, 0.0f }; // N E D + float acc[] = { 0.0f, 0.0f, 0.0f }; // N E D float acc_bias[] = { 0.0f, 0.0f, 0.0f }; // body frame float corr_baro = 0.0f; // D float corr_gps[3][2] = { @@ -341,8 +341,10 @@ int position_estimator_inav_thread_main(int argc, char *argv[]) /* mean calculation over several measurements */ if (baro_init_cnt < baro_init_num) { - baro_offset += sensor.baro_alt_meter; - baro_init_cnt++; + if (isfinite(sensor.baro_alt_meter)) { + baro_offset += sensor.baro_alt_meter; + baro_init_cnt++; + } } else { wait_baro = false; @@ -418,19 +420,17 @@ int position_estimator_inav_thread_main(int argc, char *argv[]) /* transform acceleration vector from body frame to NED frame */ for (int i = 0; i < 3; i++) { - accel_NED[i] = 0.0f; + acc[i] = 0.0f; for (int j = 0; j < 3; j++) { - accel_NED[i] += att.R[i][j] * sensor.accelerometer_m_s2[j]; + acc[i] += att.R[i][j] * sensor.accelerometer_m_s2[j]; } } - corr_acc[0] = accel_NED[0] - x_est[2]; - corr_acc[1] = accel_NED[1] - y_est[2]; - corr_acc[2] = accel_NED[2] + CONSTANTS_ONE_G - z_est[2]; + acc[2] += CONSTANTS_ONE_G; } else { - memset(corr_acc, 0, sizeof(corr_acc)); + memset(acc, 0, sizeof(acc)); } accel_timestamp = sensor.accelerometer_timestamp; @@ -628,11 +628,9 @@ int position_estimator_inav_thread_main(int argc, char *argv[]) /* set position estimate to (0, 0, 0), use GPS velocity for XY */ x_est[0] = 0.0f; x_est[1] = gps.vel_n_m_s; - x_est[2] = accel_NED[0]; y_est[0] = 0.0f; y_est[1] = gps.vel_e_m_s; z_est[0] = 0.0f; - y_est[2] = accel_NED[1]; local_pos.ref_lat = lat; local_pos.ref_lon = lon; @@ -655,10 +653,8 @@ int position_estimator_inav_thread_main(int argc, char *argv[]) if (reset_est) { x_est[0] = gps_proj[0]; x_est[1] = gps.vel_n_m_s; - x_est[2] = accel_NED[0]; y_est[0] = gps_proj[1]; y_est[1] = gps.vel_e_m_s; - y_est[2] = accel_NED[1]; } /* calculate correction for position */ @@ -796,26 +792,26 @@ int position_estimator_inav_thread_main(int argc, char *argv[]) c += att.R[j][i] * accel_bias_corr[j]; } - acc_bias[i] += c * params.w_acc_bias * dt; + if (isfinite(c)) { + acc_bias[i] += c * params.w_acc_bias * dt; + } } /* inertial filter prediction for altitude */ - inertial_filter_predict(dt, z_est); + inertial_filter_predict(dt, z_est, acc[2]); - if (!(isfinite(z_est[0]) && isfinite(z_est[1]) && isfinite(z_est[2]))) { - write_debug_log("BAD ESTIMATE AFTER Z PREDICTION", dt, x_est, y_est, z_est, x_est_prev, y_est_prev, z_est_prev, corr_acc, corr_gps, w_xy_gps_p, w_xy_gps_v); + if (!(isfinite(z_est[0]) && isfinite(z_est[1]))) { + write_debug_log("BAD ESTIMATE AFTER Z PREDICTION", dt, x_est, y_est, z_est, x_est_prev, y_est_prev, z_est_prev, acc, corr_gps, w_xy_gps_p, w_xy_gps_v); memcpy(z_est, z_est_prev, sizeof(z_est)); } /* inertial filter correction for altitude */ inertial_filter_correct(corr_baro, dt, z_est, 0, params.w_z_baro); inertial_filter_correct(corr_gps[2][0], dt, z_est, 0, w_z_gps_p); - inertial_filter_correct(corr_acc[2], dt, z_est, 2, params.w_z_acc); - if (!(isfinite(z_est[0]) && isfinite(z_est[1]) && isfinite(z_est[2]))) { - write_debug_log("BAD ESTIMATE AFTER Z CORRECTION", dt, x_est, y_est, z_est, x_est_prev, y_est_prev, z_est_prev, corr_acc, corr_gps, w_xy_gps_p, w_xy_gps_v); + if (!(isfinite(z_est[0]) && isfinite(z_est[1]))) { + write_debug_log("BAD ESTIMATE AFTER Z CORRECTION", dt, x_est, y_est, z_est, x_est_prev, y_est_prev, z_est_prev, acc, corr_gps, w_xy_gps_p, w_xy_gps_v); memcpy(z_est, z_est_prev, sizeof(z_est)); - memset(corr_acc, 0, sizeof(corr_acc)); memset(corr_gps, 0, sizeof(corr_gps)); corr_baro = 0; @@ -825,19 +821,16 @@ int position_estimator_inav_thread_main(int argc, char *argv[]) if (can_estimate_xy) { /* inertial filter prediction for position */ - inertial_filter_predict(dt, x_est); - inertial_filter_predict(dt, y_est); + inertial_filter_predict(dt, x_est, acc[0]); + inertial_filter_predict(dt, y_est, acc[1]); - if (!(isfinite(x_est[0]) && isfinite(x_est[1]) && isfinite(x_est[2]) && isfinite(y_est[0]) && isfinite(y_est[1]) && isfinite(y_est[2]))) { - write_debug_log("BAD ESTIMATE AFTER PREDICTION", dt, x_est, y_est, z_est, x_est_prev, y_est_prev, z_est_prev, corr_acc, corr_gps, w_xy_gps_p, w_xy_gps_v); + if (!(isfinite(x_est[0]) && isfinite(x_est[1]) && isfinite(y_est[0]) && isfinite(y_est[1]))) { + write_debug_log("BAD ESTIMATE AFTER PREDICTION", dt, x_est, y_est, z_est, x_est_prev, y_est_prev, z_est_prev, acc, corr_gps, w_xy_gps_p, w_xy_gps_v); memcpy(x_est, x_est_prev, sizeof(x_est)); memcpy(y_est, y_est_prev, sizeof(y_est)); } /* inertial filter correction for position */ - inertial_filter_correct(corr_acc[0], dt, x_est, 2, params.w_xy_acc); - inertial_filter_correct(corr_acc[1], dt, y_est, 2, params.w_xy_acc); - if (use_flow) { inertial_filter_correct(corr_flow[0], dt, x_est, 1, params.w_xy_flow * w_flow); inertial_filter_correct(corr_flow[1], dt, y_est, 1, params.w_xy_flow * w_flow); @@ -853,11 +846,10 @@ int position_estimator_inav_thread_main(int argc, char *argv[]) } } - if (!(isfinite(x_est[0]) && isfinite(x_est[1]) && isfinite(x_est[2]) && isfinite(y_est[0]) && isfinite(y_est[1]) && isfinite(y_est[2]))) { - write_debug_log("BAD ESTIMATE AFTER CORRECTION", dt, x_est, y_est, z_est, x_est_prev, y_est_prev, z_est_prev, corr_acc, corr_gps, w_xy_gps_p, w_xy_gps_v); + if (!(isfinite(x_est[0]) && isfinite(x_est[1]) && isfinite(y_est[0]) && isfinite(y_est[1]))) { + write_debug_log("BAD ESTIMATE AFTER CORRECTION", dt, x_est, y_est, z_est, x_est_prev, y_est_prev, z_est_prev, acc, corr_gps, w_xy_gps_p, w_xy_gps_v); memcpy(x_est, x_est_prev, sizeof(x_est)); memcpy(y_est, y_est_prev, sizeof(y_est)); - memset(corr_acc, 0, sizeof(corr_acc)); memset(corr_gps, 0, sizeof(corr_gps)); memset(corr_flow, 0, sizeof(corr_flow)); |