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author | Anton Babushkin <anton.babushkin@me.com> | 2013-07-12 13:17:42 +0400 |
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committer | Anton Babushkin <anton.babushkin@me.com> | 2013-07-12 13:17:42 +0400 |
commit | d4c6ebde338c8aa1b0d2c9574d3bbdeead525cea (patch) | |
tree | ab21487459f6e7bb751b2df664ab1ae887fa4634 | |
parent | babbcea3b68fa3442de689719a272defd895e2f6 (diff) | |
download | px4-firmware-d4c6ebde338c8aa1b0d2c9574d3bbdeead525cea.tar.gz px4-firmware-d4c6ebde338c8aa1b0d2c9574d3bbdeead525cea.tar.bz2 px4-firmware-d4c6ebde338c8aa1b0d2c9574d3bbdeead525cea.zip |
multirotor_pos_control: global_position_setpoint support in AUTO mode
-rw-r--r-- | src/modules/multirotor_pos_control/multirotor_pos_control.c | 39 |
1 files changed, 38 insertions, 1 deletions
diff --git a/src/modules/multirotor_pos_control/multirotor_pos_control.c b/src/modules/multirotor_pos_control/multirotor_pos_control.c index d56c3d58f..3e5857c26 100644 --- a/src/modules/multirotor_pos_control/multirotor_pos_control.c +++ b/src/modules/multirotor_pos_control/multirotor_pos_control.c @@ -60,6 +60,7 @@ #include <uORB/topics/vehicle_attitude_setpoint.h> #include <uORB/topics/vehicle_local_position.h> #include <uORB/topics/vehicle_local_position_setpoint.h> +#include <uORB/topics/vehicle_global_position_setpoint.h> #include <systemlib/systemlib.h> #include <systemlib/pid/pid.h> #include <mavlink/mavlink_log.h> @@ -179,6 +180,8 @@ static int multirotor_pos_control_thread_main(int argc, char *argv[]) { memset(&local_pos, 0, sizeof(local_pos)); struct vehicle_local_position_setpoint_s local_pos_sp; memset(&local_pos_sp, 0, sizeof(local_pos_sp)); + struct vehicle_global_position_setpoint_s global_pos_sp; + memset(&local_pos_sp, 0, sizeof(local_pos_sp)); /* subscribe to attitude, motor setpoints and system state */ int param_sub = orb_subscribe(ORB_ID(parameter_update)); @@ -188,6 +191,7 @@ static int multirotor_pos_control_thread_main(int argc, char *argv[]) { int manual_sub = orb_subscribe(ORB_ID(manual_control_setpoint)); int local_pos_sp_sub = orb_subscribe(ORB_ID(vehicle_local_position_setpoint)); int local_pos_sub = orb_subscribe(ORB_ID(vehicle_local_position)); + int global_pos_sp_sub = orb_subscribe(ORB_ID(vehicle_global_position_setpoint)); /* publish setpoint */ orb_advert_t local_pos_sp_pub = orb_advertise(ORB_ID(vehicle_local_position_setpoint), &local_pos_sp); @@ -201,6 +205,7 @@ static int multirotor_pos_control_thread_main(int argc, char *argv[]) { const float pos_ctl_dz = 0.05f; float home_alt = 0.0f; hrt_abstime home_alt_t = 0; + uint64_t local_home_timestamp = 0; static PID_t xy_pos_pids[2]; static PID_t xy_vel_pids[2]; @@ -222,6 +227,7 @@ static int multirotor_pos_control_thread_main(int argc, char *argv[]) { thrust_pid_init(&z_vel_pid, params.z_vel_p, params.z_vel_i, params.z_vel_d, -params.thr_max, -params.thr_min, PID_MODE_DERIVATIV_CALC_NO_SP, 0.02f); int paramcheck_counter = 0; + bool global_pos_sp_updated = false; while (!thread_should_exit) { orb_copy(ORB_ID(vehicle_status), state_sub, &status); @@ -243,6 +249,11 @@ static int multirotor_pos_control_thread_main(int argc, char *argv[]) { paramcheck_counter = 0; } + /* only check global position setpoint updates but not read */ + if (!global_pos_sp_updated) { + orb_check(global_pos_sp_sub, &global_pos_sp_updated); + } + /* Check if controller should act */ bool act = status.flag_system_armed && ( /* SAS modes */ @@ -271,7 +282,33 @@ static int multirotor_pos_control_thread_main(int argc, char *argv[]) { orb_copy(ORB_ID(vehicle_attitude_setpoint), att_sp_sub, &att_sp); orb_copy(ORB_ID(vehicle_local_position), local_pos_sub, &local_pos); if (status.state_machine == SYSTEM_STATE_AUTO) { - orb_copy(ORB_ID(vehicle_local_position_setpoint), local_pos_sp_sub, &local_pos_sp); + //orb_copy(ORB_ID(vehicle_local_position_setpoint), local_pos_sp_sub, &local_pos_sp); + if (local_pos.home_timestamp != local_home_timestamp) { + local_home_timestamp = local_pos.home_timestamp; + /* init local projection using local position home */ + double lat_home = local_pos.home_lat * 1e-7; + double lon_home = local_pos.home_lon * 1e-7; + map_projection_init(lat_home, lon_home); + warnx("local pos home: lat = %.10f, lon = %.10f", lat_home, lon_home); + mavlink_log_info(mavlink_fd, "local pos home: %.7f, %.7f", lat_home, lon_home); + } + if (global_pos_sp_updated) { + global_pos_sp_updated = false; + orb_copy(ORB_ID(vehicle_global_position_setpoint), global_pos_sp_sub, &global_pos_sp); + double sp_lat = global_pos_sp.lat * 1e-7; + double sp_lon = global_pos_sp.lon * 1e-7; + /* project global setpoint to local setpoint */ + map_projection_project(sp_lat, sp_lon, &(local_pos_sp.x), &(local_pos_sp.y)); + if (global_pos_sp.altitude_is_relative) { + local_pos_sp.z = -global_pos_sp.altitude; + } else { + local_pos_sp.z = local_pos.home_alt - global_pos_sp.altitude; + } + warnx("new setpoint: lat = %.10f, lon = %.10f, x = %.2f, y = %.2f", sp_lat, sp_lon, local_pos_sp.x, local_pos_sp.y); + mavlink_log_info(mavlink_fd, "new setpoint: %.7f, %.7f, %.2f, %.2f", sp_lat, sp_lon, local_pos_sp.x, local_pos_sp.y); + /* publish local position setpoint as projection of global position setpoint */ + orb_publish(ORB_ID(vehicle_local_position_setpoint), local_pos_sp_pub, &local_pos_sp); + } } if (reset_sp_alt) { |