diff options
Diffstat (limited to 'src/modules/commander/state_machine_helper.c')
| -rw-r--r-- | src/modules/commander/state_machine_helper.c | 757 |
1 files changed, 0 insertions, 757 deletions
diff --git a/src/modules/commander/state_machine_helper.c b/src/modules/commander/state_machine_helper.c deleted file mode 100644 index ab728c7bb..000000000 --- a/src/modules/commander/state_machine_helper.c +++ /dev/null @@ -1,757 +0,0 @@ -/**************************************************************************** - * - * Copyright (C) 2012 PX4 Development Team. All rights reserved. - * Author: Thomas Gubler <thomasgubler@student.ethz.ch> - * Julian Oes <joes@student.ethz.ch> - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name PX4 nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************/ - -/** - * @file state_machine_helper.c - * State machine helper functions implementations - */ - -#include <stdio.h> -#include <unistd.h> - -#include <uORB/uORB.h> -#include <uORB/topics/vehicle_status.h> -#include <uORB/topics/actuator_controls.h> -#include <systemlib/systemlib.h> -#include <drivers/drv_hrt.h> -#include <mavlink/mavlink_log.h> - -#include "state_machine_helper.h" - -static const char *system_state_txt[] = { - "SYSTEM_STATE_PREFLIGHT", - "SYSTEM_STATE_STANDBY", - "SYSTEM_STATE_GROUND_READY", - "SYSTEM_STATE_MANUAL", - "SYSTEM_STATE_STABILIZED", - "SYSTEM_STATE_AUTO", - "SYSTEM_STATE_MISSION_ABORT", - "SYSTEM_STATE_EMCY_LANDING", - "SYSTEM_STATE_EMCY_CUTOFF", - "SYSTEM_STATE_GROUND_ERROR", - "SYSTEM_STATE_REBOOT", - -}; - -/** - * Transition from one state to another - */ -int do_state_update(int status_pub, struct vehicle_status_s *current_status, const int mavlink_fd, commander_state_machine_t new_state) -{ - int invalid_state = false; - int ret = ERROR; - - commander_state_machine_t old_state = current_status->state_machine; - - switch (new_state) { - case SYSTEM_STATE_MISSION_ABORT: { - /* Indoor or outdoor */ - // if (flight_environment_parameter == PX4_FLIGHT_ENVIRONMENT_OUTDOOR) { - ret = do_state_update(status_pub, current_status, mavlink_fd, (commander_state_machine_t)SYSTEM_STATE_EMCY_LANDING); - - // } else { - // ret = do_state_update(status_pub, current_status, mavlink_fd, (commander_state_machine_t)SYSTEM_STATE_EMCY_CUTOFF); - // } - } - break; - - case SYSTEM_STATE_EMCY_LANDING: - /* Tell the controller to land */ - - /* set system flags according to state */ - current_status->flag_system_armed = true; - - warnx("EMERGENCY LANDING!\n"); - mavlink_log_critical(mavlink_fd, "EMERGENCY LANDING!"); - break; - - case SYSTEM_STATE_EMCY_CUTOFF: - /* Tell the controller to cutoff the motors (thrust = 0) */ - - /* set system flags according to state */ - current_status->flag_system_armed = false; - - warnx("EMERGENCY MOTOR CUTOFF!\n"); - mavlink_log_critical(mavlink_fd, "EMERGENCY MOTOR CUTOFF!"); - break; - - case SYSTEM_STATE_GROUND_ERROR: - - /* set system flags according to state */ - - /* prevent actuators from arming */ - current_status->flag_system_armed = false; - - warnx("GROUND ERROR, locking down propulsion system\n"); - mavlink_log_critical(mavlink_fd, "GROUND ERROR, locking down system"); - break; - - case SYSTEM_STATE_PREFLIGHT: - if (current_status->state_machine == SYSTEM_STATE_STANDBY - || current_status->state_machine == SYSTEM_STATE_PREFLIGHT) { - /* set system flags according to state */ - current_status->flag_system_armed = false; - mavlink_log_critical(mavlink_fd, "Switched to PREFLIGHT state"); - - } else { - invalid_state = true; - mavlink_log_critical(mavlink_fd, "REFUSED to switch to PREFLIGHT state"); - } - - break; - - case SYSTEM_STATE_REBOOT: - if (current_status->state_machine == SYSTEM_STATE_STANDBY - || current_status->state_machine == SYSTEM_STATE_PREFLIGHT - || current_status->flag_hil_enabled) { - invalid_state = false; - /* set system flags according to state */ - current_status->flag_system_armed = false; - mavlink_log_critical(mavlink_fd, "REBOOTING SYSTEM"); - usleep(500000); - up_systemreset(); - /* SPECIAL CASE: NEVER RETURNS FROM THIS FUNCTION CALL */ - - } else { - invalid_state = true; - mavlink_log_critical(mavlink_fd, "REFUSED to REBOOT"); - } - - break; - - case SYSTEM_STATE_STANDBY: - /* set system flags according to state */ - - /* standby enforces disarmed */ - current_status->flag_system_armed = false; - - mavlink_log_critical(mavlink_fd, "Switched to STANDBY state"); - break; - - case SYSTEM_STATE_GROUND_READY: - - /* set system flags according to state */ - - /* ground ready has motors / actuators armed */ - current_status->flag_system_armed = true; - - mavlink_log_critical(mavlink_fd, "Switched to GROUND READY state"); - break; - - case SYSTEM_STATE_AUTO: - - /* set system flags according to state */ - - /* auto is airborne and in auto mode, motors armed */ - current_status->flag_system_armed = true; - - mavlink_log_critical(mavlink_fd, "Switched to FLYING / AUTO mode"); - break; - - case SYSTEM_STATE_STABILIZED: - - /* set system flags according to state */ - current_status->flag_system_armed = true; - - mavlink_log_critical(mavlink_fd, "Switched to FLYING / STABILIZED mode"); - break; - - case SYSTEM_STATE_MANUAL: - - /* set system flags according to state */ - current_status->flag_system_armed = true; - - mavlink_log_critical(mavlink_fd, "Switched to FLYING / MANUAL mode"); - break; - - default: - invalid_state = true; - break; - } - - if (invalid_state == false || old_state != new_state) { - current_status->state_machine = new_state; - state_machine_publish(status_pub, current_status, mavlink_fd); - publish_armed_status(current_status); - ret = OK; - } - - if (invalid_state) { - mavlink_log_critical(mavlink_fd, "REJECTING invalid state transition"); - ret = ERROR; - } - - return ret; -} - -void state_machine_publish(int status_pub, struct vehicle_status_s *current_status, const int mavlink_fd) -{ - /* publish the new state */ - current_status->counter++; - current_status->timestamp = hrt_absolute_time(); - - /* assemble state vector based on flag values */ - if (current_status->flag_control_rates_enabled) { - current_status->onboard_control_sensors_present |= 0x400; - - } else { - current_status->onboard_control_sensors_present &= ~0x400; - } - - current_status->onboard_control_sensors_present |= (current_status->flag_control_attitude_enabled) ? 0x800 : 0; - current_status->onboard_control_sensors_present |= (current_status->flag_control_attitude_enabled) ? 0x1000 : 0; - current_status->onboard_control_sensors_present |= (current_status->flag_control_velocity_enabled || current_status->flag_control_position_enabled) ? 0x2000 : 0; - current_status->onboard_control_sensors_present |= (current_status->flag_control_velocity_enabled || current_status->flag_control_position_enabled) ? 0x4000 : 0; - - current_status->onboard_control_sensors_enabled |= (current_status->flag_control_rates_enabled) ? 0x400 : 0; - current_status->onboard_control_sensors_enabled |= (current_status->flag_control_attitude_enabled) ? 0x800 : 0; - current_status->onboard_control_sensors_enabled |= (current_status->flag_control_attitude_enabled) ? 0x1000 : 0; - current_status->onboard_control_sensors_enabled |= (current_status->flag_control_velocity_enabled || current_status->flag_control_position_enabled) ? 0x2000 : 0; - current_status->onboard_control_sensors_enabled |= (current_status->flag_control_velocity_enabled || current_status->flag_control_position_enabled) ? 0x4000 : 0; - - orb_publish(ORB_ID(vehicle_status), status_pub, current_status); - printf("[cmd] new state: %s\n", system_state_txt[current_status->state_machine]); -} - -void publish_armed_status(const struct vehicle_status_s *current_status) -{ - struct actuator_armed_s armed; - armed.armed = current_status->flag_system_armed; - - /* XXX allow arming by external components on multicopters only if not yet armed by RC */ - /* XXX allow arming only if core sensors are ok */ - armed.ready_to_arm = true; - - /* lock down actuators if required, only in HIL */ - armed.lockdown = (current_status->flag_hil_enabled) ? true : false; - orb_advert_t armed_pub = orb_advertise(ORB_ID(actuator_armed), &armed); - orb_publish(ORB_ID(actuator_armed), armed_pub, &armed); -} - - -/* - * Private functions, update the state machine - */ -void state_machine_emergency_always_critical(int status_pub, struct vehicle_status_s *current_status, const int mavlink_fd) -{ - warnx("EMERGENCY HANDLER\n"); - /* Depending on the current state go to one of the error states */ - - if (current_status->state_machine == SYSTEM_STATE_PREFLIGHT || current_status->state_machine == SYSTEM_STATE_STANDBY || current_status->state_machine == SYSTEM_STATE_GROUND_READY) { - do_state_update(status_pub, current_status, mavlink_fd, (commander_state_machine_t)SYSTEM_STATE_GROUND_ERROR); - - } else if (current_status->state_machine == SYSTEM_STATE_AUTO || current_status->state_machine == SYSTEM_STATE_MANUAL) { - - // DO NOT abort mission - //do_state_update(status_pub, current_status, mavlink_fd, (commander_state_machine_t)SYSTEM_STATE_MISSION_ABORT); - - } else { - warnx("Unknown system state: #%d\n", current_status->state_machine); - } -} - -void state_machine_emergency(int status_pub, struct vehicle_status_s *current_status, const int mavlink_fd) //do not call state_machine_emergency_always_critical if we are in manual mode for these errors -{ - if (current_status->state_machine != SYSTEM_STATE_MANUAL) { //if we are in manual: user can react to errors themself - state_machine_emergency_always_critical(status_pub, current_status, mavlink_fd); - - } else { - //global_data_send_mavlink_statustext_message_out("[cmd] ERROR: take action immediately! (did not switch to error state because the system is in manual mode)", MAV_SEVERITY_CRITICAL); - } - -} - - - -// /* -// * Wrapper functions (to be used in the commander), all functions assume lock on current_status -// */ - -// /* These functions decide if an emergency exits and then switch to SYSTEM_STATE_MISSION_ABORT or SYSTEM_STATE_GROUND_ERROR -// * -// * START SUBSYSTEM/EMERGENCY FUNCTIONS -// * */ - -// void update_state_machine_subsystem_present(int status_pub, struct vehicle_status_s *current_status, subsystem_type_t *subsystem_type) -// { -// current_status->onboard_control_sensors_present |= 1 << *subsystem_type; -// current_status->counter++; -// current_status->timestamp = hrt_absolute_time(); -// orb_publish(ORB_ID(vehicle_status), status_pub, current_status); -// } - -// void update_state_machine_subsystem_notpresent(int status_pub, struct vehicle_status_s *current_status, subsystem_type_t *subsystem_type) -// { -// current_status->onboard_control_sensors_present &= ~(1 << *subsystem_type); -// current_status->counter++; -// current_status->timestamp = hrt_absolute_time(); -// orb_publish(ORB_ID(vehicle_status), status_pub, current_status); - -// /* if a subsystem was removed something went completely wrong */ - -// switch (*subsystem_type) { -// case SUBSYSTEM_TYPE_GYRO: -// //global_data_send_mavlink_statustext_message_out("Commander: gyro not present", MAV_SEVERITY_EMERGENCY); -// state_machine_emergency_always_critical(status_pub, current_status); -// break; - -// case SUBSYSTEM_TYPE_ACC: -// //global_data_send_mavlink_statustext_message_out("Commander: accelerometer not present", MAV_SEVERITY_EMERGENCY); -// state_machine_emergency_always_critical(status_pub, current_status); -// break; - -// case SUBSYSTEM_TYPE_MAG: -// //global_data_send_mavlink_statustext_message_out("Commander: magnetometer not present", MAV_SEVERITY_EMERGENCY); -// state_machine_emergency_always_critical(status_pub, current_status); -// break; - -// case SUBSYSTEM_TYPE_GPS: -// { -// uint8_t flight_env = global_data_parameter_storage->pm.param_values[PARAM_FLIGHT_ENV]; - -// if (flight_env == PX4_FLIGHT_ENVIRONMENT_OUTDOOR) { -// //global_data_send_mavlink_statustext_message_out("Commander: GPS not present", MAV_SEVERITY_EMERGENCY); -// state_machine_emergency(status_pub, current_status); -// } -// } -// break; - -// default: -// break; -// } - -// } - -// void update_state_machine_subsystem_enabled(int status_pub, struct vehicle_status_s *current_status, subsystem_type_t *subsystem_type) -// { -// current_status->onboard_control_sensors_enabled |= 1 << *subsystem_type; -// current_status->counter++; -// current_status->timestamp = hrt_absolute_time(); -// orb_publish(ORB_ID(vehicle_status), status_pub, current_status); -// } - -// void update_state_machine_subsystem_disabled(int status_pub, struct vehicle_status_s *current_status, subsystem_type_t *subsystem_type) -// { -// current_status->onboard_control_sensors_enabled &= ~(1 << *subsystem_type); -// current_status->counter++; -// current_status->timestamp = hrt_absolute_time(); -// orb_publish(ORB_ID(vehicle_status), status_pub, current_status); - -// /* if a subsystem was disabled something went completely wrong */ - -// switch (*subsystem_type) { -// case SUBSYSTEM_TYPE_GYRO: -// //global_data_send_mavlink_statustext_message_out("Commander: EMERGENCY - gyro disabled", MAV_SEVERITY_EMERGENCY); -// state_machine_emergency_always_critical(status_pub, current_status); -// break; - -// case SUBSYSTEM_TYPE_ACC: -// //global_data_send_mavlink_statustext_message_out("Commander: EMERGENCY - accelerometer disabled", MAV_SEVERITY_EMERGENCY); -// state_machine_emergency_always_critical(status_pub, current_status); -// break; - -// case SUBSYSTEM_TYPE_MAG: -// //global_data_send_mavlink_statustext_message_out("Commander: EMERGENCY - magnetometer disabled", MAV_SEVERITY_EMERGENCY); -// state_machine_emergency_always_critical(status_pub, current_status); -// break; - -// case SUBSYSTEM_TYPE_GPS: -// { -// uint8_t flight_env = (uint8_t)(global_data_parameter_storage->pm.param_values[PARAM_FLIGHT_ENV]); - -// if (flight_env == PX4_FLIGHT_ENVIRONMENT_OUTDOOR) { -// //global_data_send_mavlink_statustext_message_out("Commander: EMERGENCY - GPS disabled", MAV_SEVERITY_EMERGENCY); -// state_machine_emergency(status_pub, current_status); -// } -// } -// break; - -// default: -// break; -// } - -// } - - -// void update_state_machine_subsystem_healthy(int status_pub, struct vehicle_status_s *current_status, subsystem_type_t *subsystem_type) -// { -// current_status->onboard_control_sensors_health |= 1 << *subsystem_type; -// current_status->counter++; -// current_status->timestamp = hrt_absolute_time(); -// orb_publish(ORB_ID(vehicle_status), status_pub, current_status); - -// switch (*subsystem_type) { -// case SUBSYSTEM_TYPE_GYRO: -// //TODO state machine change (recovering) -// break; - -// case SUBSYSTEM_TYPE_ACC: -// //TODO state machine change -// break; - -// case SUBSYSTEM_TYPE_MAG: -// //TODO state machine change -// break; - -// case SUBSYSTEM_TYPE_GPS: -// //TODO state machine change -// break; - -// default: -// break; -// } - - -// } - - -// void update_state_machine_subsystem_unhealthy(int status_pub, struct vehicle_status_s *current_status, subsystem_type_t *subsystem_type) -// { -// bool previosly_healthy = (bool)(current_status->onboard_control_sensors_health & 1 << *subsystem_type); -// current_status->onboard_control_sensors_health &= ~(1 << *subsystem_type); -// current_status->counter++; -// current_status->timestamp = hrt_absolute_time(); -// orb_publish(ORB_ID(vehicle_status), status_pub, current_status); - -// /* if we received unhealthy message more than *_HEALTH_COUNTER_LIMIT, switch to error state */ - -// switch (*subsystem_type) { -// case SUBSYSTEM_TYPE_GYRO: -// //global_data_send_mavlink_statustext_message_out("Commander: gyro unhealthy", MAV_SEVERITY_CRITICAL); - -// if (previosly_healthy) //only throw emergency if previously healthy -// state_machine_emergency_always_critical(status_pub, current_status); - -// break; - -// case SUBSYSTEM_TYPE_ACC: -// //global_data_send_mavlink_statustext_message_out("Commander: accelerometer unhealthy", MAV_SEVERITY_CRITICAL); - -// if (previosly_healthy) //only throw emergency if previously healthy -// state_machine_emergency_always_critical(status_pub, current_status); - -// break; - -// case SUBSYSTEM_TYPE_MAG: -// //global_data_send_mavlink_statustext_message_out("Commander: magnetometer unhealthy", MAV_SEVERITY_CRITICAL); - -// if (previosly_healthy) //only throw emergency if previously healthy -// state_machine_emergency_always_critical(status_pub, current_status); - -// break; - -// case SUBSYSTEM_TYPE_GPS: -// // //TODO: remove this block -// // break; -// // /////////////////// -// //global_data_send_mavlink_statustext_message_out("Commander: GPS unhealthy", MAV_SEVERITY_CRITICAL); - -// // printf("previosly_healthy = %u\n", previosly_healthy); -// if (previosly_healthy) //only throw emergency if previously healthy -// state_machine_emergency(status_pub, current_status); - -// break; - -// default: -// break; -// } - -// } - - -/* END SUBSYSTEM/EMERGENCY FUNCTIONS*/ - - -void update_state_machine_got_position_fix(int status_pub, struct vehicle_status_s *current_status, const int mavlink_fd) -{ - /* Depending on the current state switch state */ - if (current_status->state_machine == SYSTEM_STATE_PREFLIGHT) { - do_state_update(status_pub, current_status, mavlink_fd, (commander_state_machine_t)SYSTEM_STATE_STANDBY); - } -} - -void update_state_machine_no_position_fix(int status_pub, struct vehicle_status_s *current_status, const int mavlink_fd) -{ - /* Depending on the current state switch state */ - if (current_status->state_machine == SYSTEM_STATE_STANDBY || current_status->state_machine == SYSTEM_STATE_GROUND_READY || current_status->state_machine == SYSTEM_STATE_AUTO) { - state_machine_emergency(status_pub, current_status, mavlink_fd); - } -} - -void update_state_machine_arm(int status_pub, struct vehicle_status_s *current_status, const int mavlink_fd) -{ - if (current_status->state_machine == SYSTEM_STATE_STANDBY) { - printf("[cmd] arming\n"); - do_state_update(status_pub, current_status, mavlink_fd, (commander_state_machine_t)SYSTEM_STATE_GROUND_READY); - } -} - -void update_state_machine_disarm(int status_pub, struct vehicle_status_s *current_status, const int mavlink_fd) -{ - if (current_status->state_machine == SYSTEM_STATE_GROUND_READY || current_status->state_machine == SYSTEM_STATE_MANUAL || current_status->state_machine == SYSTEM_STATE_PREFLIGHT) { - printf("[cmd] going standby\n"); - do_state_update(status_pub, current_status, mavlink_fd, (commander_state_machine_t)SYSTEM_STATE_STANDBY); - - } else if (current_status->state_machine == SYSTEM_STATE_STABILIZED || current_status->state_machine == SYSTEM_STATE_AUTO) { - printf("[cmd] MISSION ABORT!\n"); - do_state_update(status_pub, current_status, mavlink_fd, (commander_state_machine_t)SYSTEM_STATE_STANDBY); - } -} - -void update_state_machine_mode_manual(int status_pub, struct vehicle_status_s *current_status, const int mavlink_fd) -{ - int old_mode = current_status->flight_mode; - current_status->flight_mode = VEHICLE_FLIGHT_MODE_MANUAL; - - current_status->flag_control_manual_enabled = true; - - /* set behaviour based on airframe */ - if ((current_status->system_type == VEHICLE_TYPE_QUADROTOR) || - (current_status->system_type == VEHICLE_TYPE_HEXAROTOR) || - (current_status->system_type == VEHICLE_TYPE_OCTOROTOR)) { - - /* assuming a rotary wing, set to SAS */ - current_status->manual_control_mode = VEHICLE_MANUAL_CONTROL_MODE_SAS; - current_status->flag_control_attitude_enabled = true; - current_status->flag_control_rates_enabled = true; - - } else { - - /* assuming a fixed wing, set to direct pass-through */ - current_status->manual_control_mode = VEHICLE_MANUAL_CONTROL_MODE_DIRECT; - current_status->flag_control_attitude_enabled = false; - current_status->flag_control_rates_enabled = false; - } - - if (old_mode != current_status->flight_mode) state_machine_publish(status_pub, current_status, mavlink_fd); - - if (current_status->state_machine == SYSTEM_STATE_GROUND_READY || current_status->state_machine == SYSTEM_STATE_STABILIZED || current_status->state_machine == SYSTEM_STATE_AUTO) { - printf("[cmd] manual mode\n"); - do_state_update(status_pub, current_status, mavlink_fd, (commander_state_machine_t)SYSTEM_STATE_MANUAL); - } -} - -void update_state_machine_mode_stabilized(int status_pub, struct vehicle_status_s *current_status, const int mavlink_fd) -{ - if (current_status->state_machine == SYSTEM_STATE_GROUND_READY || current_status->state_machine == SYSTEM_STATE_STABILIZED || current_status->state_machine == SYSTEM_STATE_MANUAL || current_status->state_machine == SYSTEM_STATE_AUTO) { - int old_mode = current_status->flight_mode; - int old_manual_control_mode = current_status->manual_control_mode; - current_status->flight_mode = VEHICLE_FLIGHT_MODE_MANUAL; - current_status->manual_control_mode = VEHICLE_MANUAL_CONTROL_MODE_SAS; - current_status->flag_control_attitude_enabled = true; - current_status->flag_control_rates_enabled = true; - current_status->flag_control_manual_enabled = true; - - if (old_mode != current_status->flight_mode || - old_manual_control_mode != current_status->manual_control_mode) { - printf("[cmd] att stabilized mode\n"); - do_state_update(status_pub, current_status, mavlink_fd, (commander_state_machine_t)SYSTEM_STATE_MANUAL); - state_machine_publish(status_pub, current_status, mavlink_fd); - } - - } -} - -void update_state_machine_mode_guided(int status_pub, struct vehicle_status_s *current_status, const int mavlink_fd) -{ - if (!current_status->flag_vector_flight_mode_ok) { - mavlink_log_critical(mavlink_fd, "NO POS LOCK, REJ. GUIDED MODE"); - tune_error(); - return; - } - - if (current_status->state_machine == SYSTEM_STATE_GROUND_READY || current_status->state_machine == SYSTEM_STATE_MANUAL || current_status->state_machine == SYSTEM_STATE_AUTO) { - printf("[cmd] position guided mode\n"); - int old_mode = current_status->flight_mode; - current_status->flight_mode = VEHICLE_FLIGHT_MODE_STAB; - current_status->flag_control_manual_enabled = false; - current_status->flag_control_attitude_enabled = true; - current_status->flag_control_rates_enabled = true; - do_state_update(status_pub, current_status, mavlink_fd, (commander_state_machine_t)SYSTEM_STATE_STABILIZED); - - if (old_mode != current_status->flight_mode) state_machine_publish(status_pub, current_status, mavlink_fd); - - } -} - -void update_state_machine_mode_auto(int status_pub, struct vehicle_status_s *current_status, const int mavlink_fd) -{ - if (!current_status->flag_vector_flight_mode_ok) { - mavlink_log_critical(mavlink_fd, "NO POS LOCK, REJ. AUTO MODE"); - return; - } - - if (current_status->state_machine == SYSTEM_STATE_GROUND_READY || current_status->state_machine == SYSTEM_STATE_MANUAL || current_status->state_machine == SYSTEM_STATE_STABILIZED) { - printf("[cmd] auto mode\n"); - int old_mode = current_status->flight_mode; - current_status->flight_mode = VEHICLE_FLIGHT_MODE_AUTO; - current_status->flag_control_manual_enabled = false; - current_status->flag_control_attitude_enabled = true; - current_status->flag_control_rates_enabled = true; - do_state_update(status_pub, current_status, mavlink_fd, (commander_state_machine_t)SYSTEM_STATE_AUTO); - - if (old_mode != current_status->flight_mode) state_machine_publish(status_pub, current_status, mavlink_fd); - } -} - - -uint8_t update_state_machine_mode_request(int status_pub, struct vehicle_status_s *current_status, const int mavlink_fd, uint8_t mode) -{ - uint8_t ret = 1; - - /* Switch on HIL if in standby and not already in HIL mode */ - if ((mode & VEHICLE_MODE_FLAG_HIL_ENABLED) - && !current_status->flag_hil_enabled) { - if ((current_status->state_machine == SYSTEM_STATE_STANDBY)) { - /* Enable HIL on request */ - current_status->flag_hil_enabled = true; - ret = OK; - state_machine_publish(status_pub, current_status, mavlink_fd); - publish_armed_status(current_status); - printf("[cmd] Enabling HIL, locking down all actuators for safety.\n\t(Arming the system will not activate them while in HIL mode)\n"); - - } else if (current_status->state_machine != SYSTEM_STATE_STANDBY && - current_status->flag_system_armed) { - - mavlink_log_critical(mavlink_fd, "REJECTING HIL, disarm first!") - - } else { - - mavlink_log_critical(mavlink_fd, "REJECTING HIL, not in standby.") - } - } - - /* switch manual / auto */ - if (mode & VEHICLE_MODE_FLAG_AUTO_ENABLED) { - update_state_machine_mode_auto(status_pub, current_status, mavlink_fd); - - } else if (mode & VEHICLE_MODE_FLAG_STABILIZED_ENABLED) { - update_state_machine_mode_stabilized(status_pub, current_status, mavlink_fd); - - } else if (mode & VEHICLE_MODE_FLAG_GUIDED_ENABLED) { - update_state_machine_mode_guided(status_pub, current_status, mavlink_fd); - - } else if (mode & VEHICLE_MODE_FLAG_MANUAL_INPUT_ENABLED) { - update_state_machine_mode_manual(status_pub, current_status, mavlink_fd); - } - - /* vehicle is disarmed, mode requests arming */ - if (!(current_status->flag_system_armed) && (mode & VEHICLE_MODE_FLAG_SAFETY_ARMED)) { - /* only arm in standby state */ - // XXX REMOVE - if (current_status->state_machine == SYSTEM_STATE_STANDBY || current_status->state_machine == SYSTEM_STATE_PREFLIGHT) { - do_state_update(status_pub, current_status, mavlink_fd, (commander_state_machine_t)SYSTEM_STATE_GROUND_READY); - ret = OK; - printf("[cmd] arming due to command request\n"); - } - } - - /* vehicle is armed, mode requests disarming */ - if (current_status->flag_system_armed && !(mode & VEHICLE_MODE_FLAG_SAFETY_ARMED)) { - /* only disarm in ground ready */ - if (current_status->state_machine == SYSTEM_STATE_GROUND_READY) { - do_state_update(status_pub, current_status, mavlink_fd, (commander_state_machine_t)SYSTEM_STATE_STANDBY); - ret = OK; - printf("[cmd] disarming due to command request\n"); - } - } - - /* NEVER actually switch off HIL without reboot */ - if (current_status->flag_hil_enabled && !(mode & VEHICLE_MODE_FLAG_HIL_ENABLED)) { - warnx("DENYING request to switch off HIL. Please power cycle (safety reasons)\n"); - mavlink_log_critical(mavlink_fd, "Power-cycle to exit HIL"); - ret = ERROR; - } - - return ret; -} - -uint8_t update_state_machine_custom_mode_request(int status_pub, struct vehicle_status_s *current_status, const int mavlink_fd, uint8_t custom_mode) //TODO: add more checks to avoid state switching in critical situations -{ - commander_state_machine_t current_system_state = current_status->state_machine; - - uint8_t ret = 1; - - switch (custom_mode) { - case SYSTEM_STATE_GROUND_READY: - break; - - case SYSTEM_STATE_STANDBY: - break; - - case SYSTEM_STATE_REBOOT: - printf("try to reboot\n"); - - if (current_system_state == SYSTEM_STATE_STANDBY - || current_system_state == SYSTEM_STATE_PREFLIGHT - || current_status->flag_hil_enabled) { - printf("system will reboot\n"); - mavlink_log_critical(mavlink_fd, "Rebooting.."); - usleep(200000); - do_state_update(status_pub, current_status, mavlink_fd, (commander_state_machine_t)SYSTEM_STATE_REBOOT); - ret = 0; - } - - break; - - case SYSTEM_STATE_AUTO: - printf("try to switch to auto/takeoff\n"); - - if (current_system_state == SYSTEM_STATE_GROUND_READY || current_system_state == SYSTEM_STATE_MANUAL) { - do_state_update(status_pub, current_status, mavlink_fd, (commander_state_machine_t)SYSTEM_STATE_AUTO); - printf("state: auto\n"); - ret = 0; - } - - break; - - case SYSTEM_STATE_MANUAL: - printf("try to switch to manual\n"); - - if (current_system_state == SYSTEM_STATE_GROUND_READY || current_system_state == SYSTEM_STATE_AUTO) { - do_state_update(status_pub, current_status, mavlink_fd, (commander_state_machine_t)SYSTEM_STATE_MANUAL); - printf("state: manual\n"); - ret = 0; - } - - break; - - default: - break; - } - - return ret; -} - |