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author | Lorenz Meier <lm@inf.ethz.ch> | 2014-04-26 15:13:03 +0200 |
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committer | Lorenz Meier <lm@inf.ethz.ch> | 2014-04-26 15:13:03 +0200 |
commit | 22d3bcdab60c1f788fe76431a02bc9f49601568a (patch) | |
tree | 111ec1532c7021b803e386968b2fa6a8a68c11dd /src/modules/commander | |
parent | a30411e9f2438018a08c0965261067940f88be10 (diff) | |
parent | 84943644d77ce21e91fa60a326ab333069333e74 (diff) | |
download | px4-firmware-22d3bcdab60c1f788fe76431a02bc9f49601568a.tar.gz px4-firmware-22d3bcdab60c1f788fe76431a02bc9f49601568a.tar.bz2 px4-firmware-22d3bcdab60c1f788fe76431a02bc9f49601568a.zip |
Merged mpc_rc into ekf_params
Diffstat (limited to 'src/modules/commander')
-rw-r--r-- | src/modules/commander/commander.cpp | 315 |
1 files changed, 194 insertions, 121 deletions
diff --git a/src/modules/commander/commander.cpp b/src/modules/commander/commander.cpp index 1a332cb5d..352711734 100644 --- a/src/modules/commander/commander.cpp +++ b/src/modules/commander/commander.cpp @@ -67,6 +67,7 @@ #include <uORB/topics/home_position.h> #include <uORB/topics/vehicle_global_position.h> #include <uORB/topics/vehicle_local_position.h> +#include <uORB/topics/position_setpoint_triplet.h> #include <uORB/topics/vehicle_gps_position.h> #include <uORB/topics/vehicle_command.h> #include <uORB/topics/subsystem_info.h> @@ -112,12 +113,11 @@ extern struct system_load_s system_load; #define MAVLINK_OPEN_INTERVAL 50000 -#define STICK_ON_OFF_LIMIT 0.75f -#define STICK_THRUST_RANGE 1.0f +#define STICK_ON_OFF_LIMIT 0.9f #define STICK_ON_OFF_HYSTERESIS_TIME_MS 1000 #define STICK_ON_OFF_COUNTER_LIMIT (STICK_ON_OFF_HYSTERESIS_TIME_MS*COMMANDER_MONITORING_LOOPSPERMSEC) -#define POSITION_TIMEOUT 1000000 /**< consider the local or global position estimate invalid after 1s */ +#define POSITION_TIMEOUT 30000 /**< consider the local or global position estimate invalid after 30ms */ #define RC_TIMEOUT 500000 #define DIFFPRESS_TIMEOUT 2000000 @@ -153,6 +153,7 @@ static bool on_usb_power = false; static float takeoff_alt = 5.0f; static int parachute_enabled = 0; +static float eph_epv_threshold = 5.0f; static struct vehicle_status_s status; static struct actuator_armed_s armed; @@ -194,7 +195,7 @@ void usage(const char *reason); /** * React to commands that are sent e.g. from the mavlink module. */ -bool handle_command(struct vehicle_status_s *status, struct vehicle_command_s *cmd, struct actuator_armed_s *armed); +bool handle_command(struct vehicle_status_s *status, const struct safety_s *safety, struct vehicle_command_s *cmd, struct actuator_armed_s *armed, struct home_position_s *home, struct vehicle_global_position_s *global_pos, orb_advert_t *home_pub); /** * Mainloop of commander. @@ -207,7 +208,7 @@ void check_valid(hrt_abstime timestamp, hrt_abstime timeout, bool valid_in, bool void check_mode_switches(struct manual_control_setpoint_s *sp_man, struct vehicle_status_s *status); -transition_result_t set_main_state_rc(struct vehicle_status_s *status); +transition_result_t set_main_state_rc(struct vehicle_status_s *status, struct manual_control_setpoint_s *sp_man); void set_control_mode(); @@ -378,7 +379,7 @@ transition_result_t arm_disarm(bool arm, const int mavlink_fd, const char* armed return arming_res; } -bool handle_command(struct vehicle_status_s *status, const struct safety_s *safety, struct vehicle_command_s *cmd, struct actuator_armed_s *armed) +bool handle_command(struct vehicle_status_s *status, const struct safety_s *safety, struct vehicle_command_s *cmd, struct actuator_armed_s *armed, struct home_position_s *home, struct vehicle_global_position_s *global_pos, orb_advert_t *home_pub) { /* result of the command */ enum VEHICLE_CMD_RESULT result = VEHICLE_CMD_RESULT_UNSUPPORTED; @@ -536,6 +537,51 @@ bool handle_command(struct vehicle_status_s *status, const struct safety_s *safe } break; + case VEHICLE_CMD_DO_SET_HOME: { + bool use_current = cmd->param1 > 0.5f; + if (use_current) { + /* use current position */ + if (status->condition_global_position_valid) { + home->lat = global_pos->lat; + home->lon = global_pos->lon; + home->alt = global_pos->alt; + + home->timestamp = hrt_absolute_time(); + + result = VEHICLE_CMD_RESULT_ACCEPTED; + + } else { + result = VEHICLE_CMD_RESULT_TEMPORARILY_REJECTED; + } + + } else { + /* use specified position */ + home->lat = cmd->param5; + home->lon = cmd->param6; + home->alt = cmd->param7; + + home->timestamp = hrt_absolute_time(); + + result = VEHICLE_CMD_RESULT_ACCEPTED; + } + + if (result == VEHICLE_CMD_RESULT_ACCEPTED) { + warnx("home: lat = %.7f, lon = %.7f, alt = %.2f ", home->lat, home->lon, (double)home->alt); + mavlink_log_info(mavlink_fd, "[cmd] home: %.7f, %.7f, %.2f", home->lat, home->lon, (double)home->alt); + + /* announce new home position */ + if (*home_pub > 0) { + orb_publish(ORB_ID(home_position), *home_pub, home); + + } else { + *home_pub = orb_advertise(ORB_ID(home_position), home); + } + + /* mark home position as set */ + status->condition_home_position_valid = true; + } + } + break; case VEHICLE_CMD_PREFLIGHT_REBOOT_SHUTDOWN: case VEHICLE_CMD_PREFLIGHT_CALIBRATION: case VEHICLE_CMD_PREFLIGHT_SET_SENSOR_OFFSETS: @@ -568,6 +614,7 @@ int commander_thread_main(int argc, char *argv[]) commander_initialized = false; bool arm_tune_played = false; + bool was_armed = false; /* set parameters */ param_t _param_sys_type = param_find("MAV_TYPE"); @@ -771,6 +818,11 @@ int commander_thread_main(int argc, char *argv[]) struct subsystem_info_s info; memset(&info, 0, sizeof(info)); + /* Subscribe to position setpoint triplet */ + int pos_sp_triplet_sub = orb_subscribe(ORB_ID(position_setpoint_triplet)); + struct position_setpoint_triplet_s pos_sp_triplet; + memset(&pos_sp_triplet, 0, sizeof(pos_sp_triplet)); + control_status_leds(&status, &armed, true); /* now initialized */ @@ -876,7 +928,45 @@ int commander_thread_main(int argc, char *argv[]) } /* update condition_global_position_valid */ - check_valid(global_position.timestamp, POSITION_TIMEOUT, global_position.global_valid, &(status.condition_global_position_valid), &status_changed); + /* hysteresis for EPH/EPV */ + bool eph_epv_good; + if (status.condition_global_position_valid) { + if (global_position.eph > eph_epv_threshold * 2.0f || global_position.epv > eph_epv_threshold * 2.0f) { + eph_epv_good = false; + } + + } else { + if (global_position.eph < eph_epv_threshold && global_position.epv < eph_epv_threshold) { + eph_epv_good = true; + } + } + check_valid(global_position.timestamp, POSITION_TIMEOUT, eph_epv_good, &(status.condition_global_position_valid), &status_changed); + + /* check if GPS fix is ok */ + + /* update home position */ + if (!status.condition_home_position_valid && status.condition_global_position_valid && !armed.armed && + (global_position.eph < eph_epv_threshold) && (global_position.epv < eph_epv_threshold)) { + + home.lat = global_position.lat; + home.lon = global_position.lon; + home.alt = global_position.alt; + + warnx("home: lat = %.7f, lon = %.7f, alt = %.2f ", home.lat, home.lon, (double)home.alt); + mavlink_log_info(mavlink_fd, "[cmd] home: %.7f, %.7f, %.2f", home.lat, home.lon, (double)home.alt); + + /* announce new home position */ + if (home_pub > 0) { + orb_publish(ORB_ID(home_position), home_pub, &home); + + } else { + home_pub = orb_advertise(ORB_ID(home_position), &home); + } + + /* mark home position as set */ + status.condition_home_position_valid = true; + tune_positive(true); + } /* update local position estimate */ orb_check(local_position_sub, &updated); @@ -887,7 +977,7 @@ int commander_thread_main(int argc, char *argv[]) } /* update condition_local_position_valid and condition_local_altitude_valid */ - check_valid(local_position.timestamp, POSITION_TIMEOUT, local_position.xy_valid, &(status.condition_local_position_valid), &status_changed); + check_valid(local_position.timestamp, POSITION_TIMEOUT, local_position.xy_valid && eph_epv_good, &(status.condition_local_position_valid), &status_changed); check_valid(local_position.timestamp, POSITION_TIMEOUT, local_position.z_valid, &(status.condition_local_altitude_valid), &status_changed); static bool published_condition_landed_fw = false; @@ -962,6 +1052,13 @@ int commander_thread_main(int argc, char *argv[]) status_changed = true; } + /* update position setpoint triplet */ + orb_check(pos_sp_triplet_sub, &updated); + + if (updated) { + orb_copy(ORB_ID(position_setpoint_triplet), pos_sp_triplet_sub, &pos_sp_triplet); + } + if (counter % (1000000 / COMMANDER_MONITORING_INTERVAL) == 0) { /* compute system load */ uint64_t interval_runtime = system_load.tasks[0].total_runtime - last_idle_time; @@ -1024,44 +1121,6 @@ int commander_thread_main(int argc, char *argv[]) if (updated) { orb_copy(ORB_ID(vehicle_gps_position), gps_sub, &gps_position); - /* check if GPS fix is ok */ - float hdop_threshold_m = 4.0f; - float vdop_threshold_m = 8.0f; - - /* - * If horizontal dilution of precision (hdop / eph) - * and vertical diluation of precision (vdop / epv) - * are below a certain threshold (e.g. 4 m), AND - * home position is not yet set AND the last GPS - * GPS measurement is not older than two seconds AND - * the system is currently not armed, set home - * position to the current position. - */ - - if (!status.condition_home_position_valid && gps_position.fix_type >= 3 && - (gps_position.eph_m < hdop_threshold_m) && (gps_position.epv_m < vdop_threshold_m) && - (hrt_absolute_time() < gps_position.timestamp_position + POSITION_TIMEOUT) && !armed.armed) { - - /* copy position data to uORB home message, store it locally as well */ - home.lat = gps_position.lat / (double)1e7; - home.lon = gps_position.lon / (double)1e7; - home.alt = gps_position.alt / (float)1e3; - - warnx("home: lat = %.7f, lon = %.7f, alt = %.4f ", home.lat, home.lon, (double)home.alt); - mavlink_log_info(mavlink_fd, "[cmd] home: %.7f, %.7f, %.4f", home.lat, home.lon, (double)home.alt); - - /* announce new home position */ - if (home_pub > 0) { - orb_publish(ORB_ID(home_position), home_pub, &home); - - } else { - home_pub = orb_advertise(ORB_ID(home_position), &home); - } - - /* mark home position as set */ - status.condition_home_position_valid = true; - tune_positive(true); - } } /* start RC input check */ @@ -1091,7 +1150,7 @@ int commander_thread_main(int argc, char *argv[]) if (status.is_rotary_wing && (status.arming_state == ARMING_STATE_ARMED || status.arming_state == ARMING_STATE_ARMED_ERROR) && (status.main_state == MAIN_STATE_MANUAL || status.condition_landed) && - sp_man.yaw < -STICK_ON_OFF_LIMIT && sp_man.throttle < STICK_THRUST_RANGE * 0.1f) { + sp_man.yaw < -STICK_ON_OFF_LIMIT && sp_man.throttle < 0.1f) { if (stick_off_counter > STICK_ON_OFF_COUNTER_LIMIT) { /* disarm to STANDBY if ARMED or to STANDBY_ERROR if ARMED_ERROR */ @@ -1109,7 +1168,7 @@ int commander_thread_main(int argc, char *argv[]) /* check if left stick is in lower right position and we're in MANUAL mode -> arm */ if (status.arming_state == ARMING_STATE_STANDBY && - sp_man.yaw > STICK_ON_OFF_LIMIT && sp_man.throttle < STICK_THRUST_RANGE * 0.1f) { + sp_man.yaw > STICK_ON_OFF_LIMIT && sp_man.throttle < 0.1f) { if (stick_on_counter > STICK_ON_OFF_COUNTER_LIMIT) { if (safety.safety_switch_available && !safety.safety_off && status.hil_state == HIL_STATE_OFF) { print_reject_arm("NOT ARMING: Press safety switch first."); @@ -1149,11 +1208,8 @@ int commander_thread_main(int argc, char *argv[]) transition_result_t res = failsafe_state_transition(&status, FAILSAFE_STATE_NORMAL); } - /* fill status according to mode switches */ - check_mode_switches(&sp_man, &status); - /* evaluate the main state machine according to mode switches */ - res = set_main_state_rc(&status); + res = set_main_state_rc(&status, &sp_man); /* play tune on mode change only if armed, blink LED always */ if (res == TRANSITION_CHANGED) { @@ -1164,6 +1220,33 @@ int commander_thread_main(int argc, char *argv[]) mavlink_log_critical(mavlink_fd, "ERROR: main state transition denied"); } + /* set navigation state */ + /* RETURN switch, overrides MISSION switch */ + if (sp_man.return_switch == SWITCH_POS_ON) { + /* switch to RTL if not already landed after RTL and home position set */ + status.set_nav_state = NAV_STATE_RTL; + status.set_nav_state_timestamp = hrt_absolute_time(); + + } else { + /* MISSION switch */ + if (sp_man.loiter_switch == SWITCH_POS_ON) { + /* stick is in LOITER position */ + status.set_nav_state = NAV_STATE_LOITER; + status.set_nav_state_timestamp = hrt_absolute_time(); + + } else if (sp_man.loiter_switch != SWITCH_POS_NONE) { + /* stick is in MISSION position */ + status.set_nav_state = NAV_STATE_MISSION; + status.set_nav_state_timestamp = hrt_absolute_time(); + + } else if ((sp_man.return_switch == SWITCH_POS_OFF || sp_man.return_switch == SWITCH_POS_MIDDLE) && + pos_sp_triplet.nav_state == NAV_STATE_RTL) { + /* RETURN switch is in normal mode, no MISSION switch mapped, interrupt if in RTL state */ + status.set_nav_state = NAV_STATE_MISSION; + status.set_nav_state_timestamp = hrt_absolute_time(); + } + } + } else { if (!status.rc_signal_lost) { mavlink_log_critical(mavlink_fd, "#audio: CRITICAL: RC SIGNAL LOST"); @@ -1188,10 +1271,15 @@ int commander_thread_main(int argc, char *argv[]) } else { /* failsafe for manual modes */ - transition_result_t res = failsafe_state_transition(&status, FAILSAFE_STATE_RTL); + transition_result_t res = TRANSITION_DENIED; + + if (!status.condition_landed) { + /* vehicle is not landed, try to perform RTL */ + res = failsafe_state_transition(&status, FAILSAFE_STATE_RTL); + } if (res == TRANSITION_DENIED) { - /* RTL not allowed (no global position estimate), try LAND */ + /* RTL not allowed (no global position estimate) or not wanted, try LAND */ res = failsafe_state_transition(&status, FAILSAFE_STATE_LAND); if (res == TRANSITION_DENIED) { @@ -1211,7 +1299,7 @@ int commander_thread_main(int argc, char *argv[]) // TODO remove this hack /* flight termination in manual mode if assisted switch is on easy position */ - if (!status.is_rotary_wing && parachute_enabled && armed.armed && status.main_state == MAIN_STATE_MANUAL && sp_man.assisted_switch > STICK_ON_OFF_LIMIT) { + if (!status.is_rotary_wing && parachute_enabled && armed.armed && status.main_state == MAIN_STATE_MANUAL && sp_man.assisted_switch == SWITCH_POS_ON) { if (TRANSITION_CHANGED == failsafe_state_transition(&status, FAILSAFE_STATE_TERMINATION)) { tune_positive(armed.armed); } @@ -1225,7 +1313,7 @@ int commander_thread_main(int argc, char *argv[]) orb_copy(ORB_ID(vehicle_command), cmd_sub, &cmd); /* handle it */ - if (handle_command(&status, &safety, &cmd, &armed)) + if (handle_command(&status, &safety, &cmd, &armed, &home, &global_position, &home_pub)) status_changed = true; } @@ -1240,7 +1328,32 @@ int commander_thread_main(int argc, char *argv[]) if (arming_state_changed) { status_changed = true; mavlink_log_info(mavlink_fd, "[cmd] arming state: %s", arming_states_str[status.arming_state]); + + /* update home position on arming if at least 2s from commander start spent to avoid setting home on in-air restart */ + if (armed.armed && !was_armed && hrt_absolute_time() > start_time + 2000000 && status.condition_global_position_valid && + (global_position.eph < eph_epv_threshold) && (global_position.epv < eph_epv_threshold)) { + + // TODO remove code duplication + home.lat = global_position.lat; + home.lon = global_position.lon; + home.alt = global_position.alt; + + warnx("home: lat = %.7f, lon = %.7f, alt = %.2f ", home.lat, home.lon, (double)home.alt); + mavlink_log_info(mavlink_fd, "[cmd] home: %.7f, %.7f, %.2f", home.lat, home.lon, (double)home.alt); + + /* announce new home position */ + if (home_pub > 0) { + orb_publish(ORB_ID(home_position), home_pub, &home); + + } else { + home_pub = orb_advertise(ORB_ID(home_position), &home); + } + + /* mark home position as set */ + status.condition_home_position_valid = true; + } } + was_armed = armed.armed; if (main_state_changed) { status_changed = true; @@ -1426,76 +1539,29 @@ control_status_leds(vehicle_status_s *status, const actuator_armed_s *actuator_a leds_counter++; } -void -check_mode_switches(struct manual_control_setpoint_s *sp_man, struct vehicle_status_s *status) -{ - /* main mode switch */ - if (!isfinite(sp_man->mode_switch)) { - /* default to manual if signal is invalid */ - status->mode_switch = MODE_SWITCH_MANUAL; - - } else if (sp_man->mode_switch > STICK_ON_OFF_LIMIT) { - status->mode_switch = MODE_SWITCH_AUTO; - - } else if (sp_man->mode_switch < -STICK_ON_OFF_LIMIT) { - status->mode_switch = MODE_SWITCH_MANUAL; - - } else { - status->mode_switch = MODE_SWITCH_ASSISTED; - } - - /* return switch */ - if (!isfinite(sp_man->return_switch)) { - status->return_switch = RETURN_SWITCH_NONE; - - } else if (sp_man->return_switch > STICK_ON_OFF_LIMIT) { - status->return_switch = RETURN_SWITCH_RETURN; - - } else { - status->return_switch = RETURN_SWITCH_NORMAL; - } - - /* assisted switch */ - if (!isfinite(sp_man->assisted_switch)) { - status->assisted_switch = ASSISTED_SWITCH_SEATBELT; - - } else if (sp_man->assisted_switch > STICK_ON_OFF_LIMIT) { - status->assisted_switch = ASSISTED_SWITCH_EASY; - - } else { - status->assisted_switch = ASSISTED_SWITCH_SEATBELT; - } - - /* mission switch */ - if (!isfinite(sp_man->mission_switch)) { - status->mission_switch = MISSION_SWITCH_NONE; - - } else if (sp_man->mission_switch > STICK_ON_OFF_LIMIT) { - status->mission_switch = MISSION_SWITCH_LOITER; - - } else { - status->mission_switch = MISSION_SWITCH_MISSION; - } -} - transition_result_t -set_main_state_rc(struct vehicle_status_s *status) +set_main_state_rc(struct vehicle_status_s *status, struct manual_control_setpoint_s *sp_man) { /* set main state according to RC switches */ transition_result_t res = TRANSITION_DENIED; - switch (status->mode_switch) { - case MODE_SWITCH_MANUAL: + switch (sp_man->mode_switch) { + case SWITCH_POS_NONE: + res = TRANSITION_NOT_CHANGED; + break; + + case SWITCH_POS_OFF: // MANUAL res = main_state_transition(status, MAIN_STATE_MANUAL); // TRANSITION_DENIED is not possible here break; - case MODE_SWITCH_ASSISTED: - if (status->assisted_switch == ASSISTED_SWITCH_EASY) { + case SWITCH_POS_MIDDLE: // ASSISTED + if (sp_man->assisted_switch == SWITCH_POS_ON) { res = main_state_transition(status, MAIN_STATE_EASY); - if (res != TRANSITION_DENIED) + if (res != TRANSITION_DENIED) { break; // changed successfully or already in this state + } // else fallback to SEATBELT print_reject_mode(status, "EASY"); @@ -1503,29 +1569,33 @@ set_main_state_rc(struct vehicle_status_s *status) res = main_state_transition(status, MAIN_STATE_SEATBELT); - if (res != TRANSITION_DENIED) + if (res != TRANSITION_DENIED) { break; // changed successfully or already in this mode + } - if (status->assisted_switch != ASSISTED_SWITCH_EASY) // don't print both messages + if (sp_man->assisted_switch != SWITCH_POS_ON) { print_reject_mode(status, "SEATBELT"); + } // else fallback to MANUAL res = main_state_transition(status, MAIN_STATE_MANUAL); // TRANSITION_DENIED is not possible here break; - case MODE_SWITCH_AUTO: + case SWITCH_POS_ON: // AUTO res = main_state_transition(status, MAIN_STATE_AUTO); - if (res != TRANSITION_DENIED) + if (res != TRANSITION_DENIED) { break; // changed successfully or already in this state + } // else fallback to SEATBELT (EASY likely will not work too) print_reject_mode(status, "AUTO"); res = main_state_transition(status, MAIN_STATE_SEATBELT); - if (res != TRANSITION_DENIED) + if (res != TRANSITION_DENIED) { break; // changed successfully or already in this state + } // else fallback to MANUAL res = main_state_transition(status, MAIN_STATE_MANUAL); @@ -1629,8 +1699,11 @@ set_control_mode() control_mode.flag_control_auto_enabled = true; control_mode.flag_control_rates_enabled = true; control_mode.flag_control_attitude_enabled = true; - control_mode.flag_control_position_enabled = true; - control_mode.flag_control_velocity_enabled = true; + + /* in failsafe LAND mode position may be not available */ + control_mode.flag_control_position_enabled = status.condition_local_position_valid; + control_mode.flag_control_velocity_enabled = status.condition_local_position_valid; + control_mode.flag_control_altitude_enabled = true; control_mode.flag_control_climb_rate_enabled = true; } |