diff options
Diffstat (limited to 'src/modules/commander/state_machine_helper.cpp')
| -rw-r--r-- | src/modules/commander/state_machine_helper.cpp | 315 |
1 files changed, 110 insertions, 205 deletions
diff --git a/src/modules/commander/state_machine_helper.cpp b/src/modules/commander/state_machine_helper.cpp index 7ae61d9ef..31955d3e5 100644 --- a/src/modules/commander/state_machine_helper.cpp +++ b/src/modules/commander/state_machine_helper.cpp @@ -48,7 +48,6 @@ #include <uORB/uORB.h> #include <uORB/topics/vehicle_status.h> #include <uORB/topics/actuator_controls.h> -#include <uORB/topics/vehicle_control_mode.h> #include <systemlib/systemlib.h> #include <systemlib/param/param.h> #include <systemlib/err.h> @@ -67,12 +66,11 @@ static const int ERROR = -1; static bool arming_state_changed = true; static bool main_state_changed = true; -static bool navigation_state_changed = true; +static bool failsafe_state_changed = true; transition_result_t arming_state_transition(struct vehicle_status_s *status, const struct safety_s *safety, - const struct vehicle_control_mode_s *control_mode, - arming_state_t new_arming_state, struct actuator_armed_s *armed) + arming_state_t new_arming_state, struct actuator_armed_s *armed) { /* * Perform an atomic state update @@ -88,8 +86,9 @@ arming_state_transition(struct vehicle_status_s *status, const struct safety_s * } else { /* enforce lockdown in HIL */ - if (control_mode->flag_system_hil_enabled) { + if (status->hil_state == HIL_STATE_ON) { armed->lockdown = true; + } else { armed->lockdown = false; } @@ -111,7 +110,7 @@ arming_state_transition(struct vehicle_status_s *status, const struct safety_s * /* allow coming from INIT and disarming from ARMED */ if (status->arming_state == ARMING_STATE_INIT || status->arming_state == ARMING_STATE_ARMED - || control_mode->flag_system_hil_enabled) { + || status->hil_state == HIL_STATE_ON) { /* sensors need to be initialized for STANDBY state */ if (status->condition_system_sensors_initialized) { @@ -128,7 +127,7 @@ arming_state_transition(struct vehicle_status_s *status, const struct safety_s * /* allow arming from STANDBY and IN-AIR-RESTORE */ if ((status->arming_state == ARMING_STATE_STANDBY || status->arming_state == ARMING_STATE_IN_AIR_RESTORE) - && (!safety->safety_switch_available || safety->safety_off || control_mode->flag_system_hil_enabled)) { /* only allow arming if safety is off */ + && (!safety->safety_switch_available || safety->safety_off || status->hil_state == HIL_STATE_ON)) { /* only allow arming if safety is off */ ret = TRANSITION_CHANGED; armed->armed = true; armed->ready_to_arm = true; @@ -224,54 +223,54 @@ check_arming_state_changed() } transition_result_t -main_state_transition(struct vehicle_status_s *current_state, main_state_t new_main_state) +main_state_transition(struct vehicle_status_s *status, main_state_t new_main_state) { transition_result_t ret = TRANSITION_DENIED; - /* only check transition if the new state is actually different from the current one */ - if (new_main_state == current_state->main_state) { - ret = TRANSITION_NOT_CHANGED; + /* transition may be denied even if requested the same state because conditions may be changed */ + switch (new_main_state) { + case MAIN_STATE_MANUAL: + ret = TRANSITION_CHANGED; + break; - } else { + case MAIN_STATE_SEATBELT: - switch (new_main_state) { - case MAIN_STATE_MANUAL: + /* need at minimum altitude estimate */ + if (!status->is_rotary_wing || + (status->condition_local_altitude_valid || + status->condition_global_position_valid)) { ret = TRANSITION_CHANGED; - break; - - case MAIN_STATE_SEATBELT: - - /* need at minimum altitude estimate */ - if (current_state->condition_local_altitude_valid || - current_state->condition_global_position_valid) { - ret = TRANSITION_CHANGED; - } - - break; + } - case MAIN_STATE_EASY: + break; - /* need at minimum local position estimate */ - if (current_state->condition_local_position_valid || - current_state->condition_global_position_valid) { - ret = TRANSITION_CHANGED; - } + case MAIN_STATE_EASY: - break; + /* need at minimum local position estimate */ + if (status->condition_local_position_valid || + status->condition_global_position_valid) { + ret = TRANSITION_CHANGED; + } - case MAIN_STATE_AUTO: + break; - /* need global position estimate */ - if (current_state->condition_global_position_valid) { - ret = TRANSITION_CHANGED; - } + case MAIN_STATE_AUTO: - break; + /* need global position estimate */ + if (status->condition_global_position_valid) { + ret = TRANSITION_CHANGED; } - if (ret == TRANSITION_CHANGED) { - current_state->main_state = new_main_state; + break; + } + + if (ret == TRANSITION_CHANGED) { + if (status->main_state != new_main_state) { + status->main_state = new_main_state; main_state_changed = true; + + } else { + ret = TRANSITION_NOT_CHANGED; } } @@ -290,162 +289,11 @@ check_main_state_changed() } } -transition_result_t -navigation_state_transition(struct vehicle_status_s *status, navigation_state_t new_navigation_state, struct vehicle_control_mode_s *control_mode) -{ - transition_result_t ret = TRANSITION_DENIED; - - /* only check transition if the new state is actually different from the current one */ - if (new_navigation_state == status->navigation_state) { - ret = TRANSITION_NOT_CHANGED; - - } else { - - switch (new_navigation_state) { - case NAVIGATION_STATE_DIRECT: - ret = TRANSITION_CHANGED; - control_mode->flag_control_rates_enabled = true; - control_mode->flag_control_attitude_enabled = false; - control_mode->flag_control_velocity_enabled = false; - control_mode->flag_control_position_enabled = false; - control_mode->flag_control_altitude_enabled = false; - control_mode->flag_control_climb_rate_enabled = false; - control_mode->flag_control_manual_enabled = true; - control_mode->flag_control_auto_enabled = false; - break; - - case NAVIGATION_STATE_STABILIZE: - ret = TRANSITION_CHANGED; - control_mode->flag_control_rates_enabled = true; - control_mode->flag_control_attitude_enabled = true; - control_mode->flag_control_velocity_enabled = false; - control_mode->flag_control_position_enabled = false; - control_mode->flag_control_altitude_enabled = false; - control_mode->flag_control_climb_rate_enabled = false; - control_mode->flag_control_manual_enabled = true; - control_mode->flag_control_auto_enabled = false; - break; - - case NAVIGATION_STATE_ALTHOLD: - ret = TRANSITION_CHANGED; - control_mode->flag_control_rates_enabled = true; - control_mode->flag_control_attitude_enabled = true; - control_mode->flag_control_velocity_enabled = false; - control_mode->flag_control_position_enabled = false; - control_mode->flag_control_altitude_enabled = true; - control_mode->flag_control_climb_rate_enabled = true; - control_mode->flag_control_manual_enabled = true; - control_mode->flag_control_auto_enabled = false; - break; - - case NAVIGATION_STATE_VECTOR: - ret = TRANSITION_CHANGED; - control_mode->flag_control_rates_enabled = true; - control_mode->flag_control_attitude_enabled = true; - control_mode->flag_control_velocity_enabled = true; - control_mode->flag_control_position_enabled = true; - control_mode->flag_control_altitude_enabled = true; - control_mode->flag_control_climb_rate_enabled = true; - control_mode->flag_control_manual_enabled = true; - control_mode->flag_control_auto_enabled = false; - break; - - case NAVIGATION_STATE_AUTO_READY: - ret = TRANSITION_CHANGED; - control_mode->flag_control_rates_enabled = false; - control_mode->flag_control_attitude_enabled = false; - control_mode->flag_control_velocity_enabled = false; - control_mode->flag_control_position_enabled = false; - control_mode->flag_control_altitude_enabled = false; - control_mode->flag_control_climb_rate_enabled = false; - control_mode->flag_control_manual_enabled = false; - control_mode->flag_control_auto_enabled = true; - break; - - case NAVIGATION_STATE_AUTO_TAKEOFF: - ret = TRANSITION_CHANGED; - control_mode->flag_control_rates_enabled = true; - control_mode->flag_control_attitude_enabled = true; - control_mode->flag_control_velocity_enabled = true; - control_mode->flag_control_position_enabled = true; - control_mode->flag_control_altitude_enabled = true; - control_mode->flag_control_climb_rate_enabled = true; - control_mode->flag_control_manual_enabled = false; - control_mode->flag_control_auto_enabled = true; - break; - - case NAVIGATION_STATE_AUTO_LOITER: - ret = TRANSITION_CHANGED; - control_mode->flag_control_rates_enabled = true; - control_mode->flag_control_attitude_enabled = true; - control_mode->flag_control_velocity_enabled = true; - control_mode->flag_control_position_enabled = true; - control_mode->flag_control_altitude_enabled = true; - control_mode->flag_control_climb_rate_enabled = true; - control_mode->flag_control_manual_enabled = false; - control_mode->flag_control_auto_enabled = false; - break; - - case NAVIGATION_STATE_AUTO_MISSION: - ret = TRANSITION_CHANGED; - control_mode->flag_control_rates_enabled = true; - control_mode->flag_control_attitude_enabled = true; - control_mode->flag_control_velocity_enabled = true; - control_mode->flag_control_position_enabled = true; - control_mode->flag_control_altitude_enabled = true; - control_mode->flag_control_climb_rate_enabled = true; - control_mode->flag_control_manual_enabled = false; - control_mode->flag_control_auto_enabled = true; - break; - - case NAVIGATION_STATE_AUTO_RTL: - ret = TRANSITION_CHANGED; - control_mode->flag_control_rates_enabled = true; - control_mode->flag_control_attitude_enabled = true; - control_mode->flag_control_velocity_enabled = true; - control_mode->flag_control_position_enabled = true; - control_mode->flag_control_altitude_enabled = true; - control_mode->flag_control_climb_rate_enabled = true; - control_mode->flag_control_manual_enabled = false; - control_mode->flag_control_auto_enabled = true; - break; - - case NAVIGATION_STATE_AUTO_LAND: - - /* deny transitions from landed state */ - if (status->navigation_state != NAVIGATION_STATE_AUTO_READY) { - ret = TRANSITION_CHANGED; - control_mode->flag_control_rates_enabled = true; - control_mode->flag_control_attitude_enabled = true; - control_mode->flag_control_velocity_enabled = true; - control_mode->flag_control_position_enabled = true; - control_mode->flag_control_altitude_enabled = true; - control_mode->flag_control_climb_rate_enabled = true; - control_mode->flag_control_manual_enabled = false; - control_mode->flag_control_auto_enabled = true; - } - - break; - - default: - break; - } - - if (ret == TRANSITION_CHANGED) { - status->navigation_state = new_navigation_state; - control_mode->auto_state = status->navigation_state; - navigation_state_changed = true; - } - } - - return ret; -} - bool -check_navigation_state_changed() +check_failsafe_state_changed() { - if (navigation_state_changed) { - navigation_state_changed = false; + if (failsafe_state_changed) { + failsafe_state_changed = false; return true; } else { @@ -453,16 +301,10 @@ check_navigation_state_changed() } } -void -set_navigation_state_changed() -{ - navigation_state_changed = true; -} - /** * Transition from one hil state to another */ -int hil_state_transition(hil_state_t new_state, int status_pub, struct vehicle_status_s *current_status, int control_mode_pub, struct vehicle_control_mode_s *current_control_mode, const int mavlink_fd) +int hil_state_transition(hil_state_t new_state, int status_pub, struct vehicle_status_s *current_status, const int mavlink_fd) { bool valid_transition = false; int ret = ERROR; @@ -491,7 +333,6 @@ int hil_state_transition(hil_state_t new_state, int status_pub, struct vehicle_s || current_status->arming_state == ARMING_STATE_STANDBY || current_status->arming_state == ARMING_STATE_STANDBY_ERROR) { - current_control_mode->flag_system_hil_enabled = true; mavlink_log_critical(mavlink_fd, "Switched to ON hil state"); valid_transition = true; @@ -537,9 +378,6 @@ int hil_state_transition(hil_state_t new_state, int status_pub, struct vehicle_s current_status->timestamp = hrt_absolute_time(); orb_publish(ORB_ID(vehicle_status), status_pub, current_status); - current_control_mode->timestamp = hrt_absolute_time(); - orb_publish(ORB_ID(vehicle_control_mode), control_mode_pub, current_control_mode); - // XXX also set lockdown here ret = OK; @@ -552,6 +390,73 @@ int hil_state_transition(hil_state_t new_state, int status_pub, struct vehicle_s } +/** +* Transition from one failsafe state to another +*/ +transition_result_t failsafe_state_transition(struct vehicle_status_s *status, failsafe_state_t new_failsafe_state) +{ + transition_result_t ret = TRANSITION_DENIED; + + /* transition may be denied even if requested the same state because conditions may be changed */ + if (status->failsafe_state == FAILSAFE_STATE_TERMINATION) { + /* transitions from TERMINATION to other states not allowed */ + if (new_failsafe_state == FAILSAFE_STATE_TERMINATION) { + ret = TRANSITION_NOT_CHANGED; + } + + } else { + switch (new_failsafe_state) { + case FAILSAFE_STATE_NORMAL: + /* always allowed (except from TERMINATION state) */ + ret = TRANSITION_CHANGED; + break; + + case FAILSAFE_STATE_RTL: + + /* global position and home position required for RTL */ + if (status->condition_global_position_valid && status->condition_home_position_valid) { + status->set_nav_state = NAV_STATE_RTL; + status->set_nav_state_timestamp = hrt_absolute_time(); + ret = TRANSITION_CHANGED; + } + + break; + + case FAILSAFE_STATE_LAND: + + /* at least relative altitude estimate required for landing */ + if (status->condition_local_altitude_valid || status->condition_global_position_valid) { + status->set_nav_state = NAV_STATE_LAND; + status->set_nav_state_timestamp = hrt_absolute_time(); + ret = TRANSITION_CHANGED; + } + + break; + + case FAILSAFE_STATE_TERMINATION: + /* always allowed */ + ret = TRANSITION_CHANGED; + break; + + default: + break; + } + + if (ret == TRANSITION_CHANGED) { + if (status->failsafe_state != new_failsafe_state) { + status->failsafe_state = new_failsafe_state; + failsafe_state_changed = true; + + } else { + ret = TRANSITION_NOT_CHANGED; + } + } + } + + return ret; +} + + // /* // * Wrapper functions (to be used in the commander), all functions assume lock on current_status |