diff options
Diffstat (limited to 'src/examples/flow_position_estimator/flow_position_estimator_main.c')
| -rw-r--r-- | src/examples/flow_position_estimator/flow_position_estimator_main.c | 34 |
1 files changed, 22 insertions, 12 deletions
diff --git a/src/examples/flow_position_estimator/flow_position_estimator_main.c b/src/examples/flow_position_estimator/flow_position_estimator_main.c index e40c9081d..5e80066a7 100644 --- a/src/examples/flow_position_estimator/flow_position_estimator_main.c +++ b/src/examples/flow_position_estimator/flow_position_estimator_main.c @@ -56,7 +56,8 @@ #include <math.h> #include <uORB/uORB.h> #include <uORB/topics/parameter_update.h> -#include <uORB/topics/vehicle_status.h> +#include <uORB/topics/actuator_armed.h> +#include <uORB/topics/vehicle_control_mode.h> #include <uORB/topics/vehicle_attitude.h> #include <uORB/topics/vehicle_attitude_setpoint.h> #include <uORB/topics/vehicle_local_position.h> @@ -143,8 +144,8 @@ int flow_position_estimator_thread_main(int argc, char *argv[]) printf("[flow position estimator] starting\n"); /* rotation matrix for transformation of optical flow speed vectors */ - static const int8_t rotM_flow_sensor[3][3] = {{ 0, 1, 0 }, - { -1, 0, 0 }, + static const int8_t rotM_flow_sensor[3][3] = {{ 0, -1, 0 }, + { 1, 0, 0 }, { 0, 0, 1 }}; // 90deg rotated const float time_scale = powf(10.0f,-6.0f); static float speed[3] = {0.0f, 0.0f, 0.0f}; @@ -158,8 +159,10 @@ int flow_position_estimator_thread_main(int argc, char *argv[]) static float sonar_lp = 0.0f; /* subscribe to vehicle status, attitude, sensors and flow*/ - struct vehicle_status_s vstatus; - memset(&vstatus, 0, sizeof(vstatus)); + struct actuator_armed_s armed; + memset(&armed, 0, sizeof(armed)); + struct vehicle_control_mode_s control_mode; + memset(&control_mode, 0, sizeof(control_mode)); struct vehicle_attitude_s att; memset(&att, 0, sizeof(att)); struct vehicle_attitude_setpoint_s att_sp; @@ -170,8 +173,11 @@ int flow_position_estimator_thread_main(int argc, char *argv[]) /* subscribe to parameter changes */ int parameter_update_sub = orb_subscribe(ORB_ID(parameter_update)); - /* subscribe to vehicle status */ - int vehicle_status_sub = orb_subscribe(ORB_ID(vehicle_status)); + /* subscribe to armed topic */ + int armed_sub = orb_subscribe(ORB_ID(actuator_armed)); + + /* subscribe to safety topic */ + int control_mode_sub = orb_subscribe(ORB_ID(vehicle_control_mode)); /* subscribe to attitude */ int vehicle_attitude_sub = orb_subscribe(ORB_ID(vehicle_attitude)); @@ -218,6 +224,7 @@ int flow_position_estimator_thread_main(int argc, char *argv[]) while (!thread_should_exit) { + if (sensors_ready) { /*This runs at the rate of the sensors */ @@ -263,7 +270,8 @@ int flow_position_estimator_thread_main(int argc, char *argv[]) /* got flow, updating attitude and status as well */ orb_copy(ORB_ID(vehicle_attitude), vehicle_attitude_sub, &att); orb_copy(ORB_ID(vehicle_attitude_setpoint), vehicle_attitude_setpoint_sub, &att_sp); - orb_copy(ORB_ID(vehicle_status), vehicle_status_sub, &vstatus); + orb_copy(ORB_ID(actuator_armed), armed_sub, &armed); + orb_copy(ORB_ID(vehicle_control_mode), control_mode_sub, &control_mode); /* vehicle state estimation */ float sonar_new = flow.ground_distance_m; @@ -273,14 +281,15 @@ int flow_position_estimator_thread_main(int argc, char *argv[]) * -> accept sonar measurements after reaching calibration distance (values between 0.3m and 1.0m for some time) * -> minimum sonar value 0.3m */ + if (!vehicle_liftoff) { - if (vstatus.flag_system_armed && att_sp.thrust > params.minimum_liftoff_thrust && sonar_new > 0.3f && sonar_new < 1.0f) + if (armed.armed && att_sp.thrust > params.minimum_liftoff_thrust && sonar_new > 0.3f && sonar_new < 1.0f) vehicle_liftoff = true; } else { - if (!vstatus.flag_system_armed || (att_sp.thrust < params.minimum_liftoff_thrust && sonar_new <= 0.3f)) + if (!armed.armed || (att_sp.thrust < params.minimum_liftoff_thrust && sonar_new <= 0.3f)) vehicle_liftoff = false; } @@ -347,7 +356,7 @@ int flow_position_estimator_thread_main(int argc, char *argv[]) } /* filtering ground distance */ - if (!vehicle_liftoff || !vstatus.flag_system_armed) + if (!vehicle_liftoff || !armed.armed) { /* not possible to fly */ sonar_valid = false; @@ -444,7 +453,8 @@ int flow_position_estimator_thread_main(int argc, char *argv[]) close(vehicle_attitude_setpoint_sub); close(vehicle_attitude_sub); - close(vehicle_status_sub); + close(armed_sub); + close(control_mode_sub); close(parameter_update_sub); close(optical_flow_sub); |