diff --git a/apps/fixedwing_control/Makefile b/apps/fixedwing_control/Makefile deleted file mode 100644 index 02d4463dd0..0000000000 --- a/apps/fixedwing_control/Makefile +++ /dev/null @@ -1,44 +0,0 @@ -############################################################################ -# -# Copyright (C) 2012 PX4 Development Team. All rights reserved. -# -# 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. -# -############################################################################ - -# -# fixedwing_control Application -# - -APPNAME = fixedwing_control -PRIORITY = SCHED_PRIORITY_MAX - 1 -STACKSIZE = 4096 - -CSRCS = fixedwing_control.c - -include $(APPDIR)/mk/app.mk diff --git a/apps/fixedwing_control/fixedwing_control.c b/apps/fixedwing_control/fixedwing_control.c deleted file mode 100644 index e040334819..0000000000 --- a/apps/fixedwing_control/fixedwing_control.c +++ /dev/null @@ -1,566 +0,0 @@ -/**************************************************************************** - * - * Copyright (C) 2012 PX4 Development Team. All rights reserved. - * Author: @author Ivan Ovinnikov - * Modifications: Doug Weibel - * - * 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 fixedwing_control.c - * Implementation of a fixed wing attitude and position controller. - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -static bool thread_should_exit = false; /**< Deamon exit flag */ -static bool thread_running = false; /**< Deamon status flag */ -static int deamon_task; /**< Handle of deamon task / thread */ - -/** - * Deamon management function. - */ -__EXPORT int fixedwing_control_main(int argc, char *argv[]); - -/** - * Mainloop of deamon. - */ -int fixedwing_control_thread_main(int argc, char *argv[]); - -/** - * Print the correct usage. - */ -static void usage(const char *reason); - -/* - * Controller parameters, accessible via MAVLink - * - */ -// Roll control parameters -PARAM_DEFINE_FLOAT(FW_ROLLRATE_P, 0.3f); -// Need to add functionality to suppress integrator windup while on the ground -// Suggested value of FW_ROLLRATE_I is 0.0 till this is in place -PARAM_DEFINE_FLOAT(FW_ROLLRATE_I, 0.0f); -PARAM_DEFINE_FLOAT(FW_ROLLRATE_AWU, 0.0f); -PARAM_DEFINE_FLOAT(FW_ROLLRATE_LIM, 0.7f); // Roll rate limit in radians/sec -PARAM_DEFINE_FLOAT(FW_ROLL_P, 0.3f); -PARAM_DEFINE_FLOAT(FW_ROLL_LIM, 0.7f); // Roll angle limit in radians - -//Pitch control parameters -PARAM_DEFINE_FLOAT(FW_PITCHRATE_P, 0.3f); -// Need to add functionality to suppress integrator windup while on the ground -// Suggested value of FW_PITCHRATE_I is 0.0 till this is in place -PARAM_DEFINE_FLOAT(FW_PITCHRATE_I, 0.0f); -PARAM_DEFINE_FLOAT(FW_PITCHRATE_AWU, 0.0f); -PARAM_DEFINE_FLOAT(FW_PITCHRATE_LIM, 0.35f); // Pitch rate limit in radians/sec -PARAM_DEFINE_FLOAT(FW_PITCH_P, 0.3f); -PARAM_DEFINE_FLOAT(FW_PITCH_LIM, 0.35f); // Pitch angle limit in radians - -struct fw_att_control_params { - float rollrate_p; - float rollrate_i; - float rollrate_awu; - float rollrate_lim; - float roll_p; - float roll_lim; - float pitchrate_p; - float pitchrate_i; - float pitchrate_awu; - float pitchrate_lim; - float pitch_p; - float pitch_lim; -}; - -struct fw_att_control_param_handles { - param_t rollrate_p; - param_t rollrate_i; - param_t rollrate_awu; - param_t rollrate_lim; - param_t roll_p; - param_t roll_lim; - param_t pitchrate_p; - param_t pitchrate_i; - param_t pitchrate_awu; - param_t pitchrate_lim; - param_t pitch_p; - param_t pitch_lim; -}; - - -// TO_DO - Navigation control will be moved to a separate app -// Attitude control will just handle the inner angle and rate loops -// to control pitch and roll, and turn coordination via rudder and -// possibly throttle compensation for battery voltage sag. - -PARAM_DEFINE_FLOAT(FW_HEADING_P, 0.1f); -PARAM_DEFINE_FLOAT(FW_HEADING_LIM, 0.15f); - -struct fw_pos_control_params { - float heading_p; - float heading_lim; -}; - -struct fw_pos_control_param_handles { - param_t heading_p; - param_t heading_lim; -}; - -/** - * Initialize all parameter handles and values - * - */ -static int att_parameters_init(struct fw_att_control_param_handles *h); - -/** - * Update all parameters - * - */ -static int att_parameters_update(const struct fw_att_control_param_handles *h, struct fw_att_control_params *p); - -/** - * Initialize all parameter handles and values - * - */ -static int pos_parameters_init(struct fw_pos_control_param_handles *h); - -/** - * Update all parameters - * - */ -static int pos_parameters_update(const struct fw_pos_control_param_handles *h, struct fw_pos_control_params *p); - - -/** - * The fixed wing control main thread. - * - * The main loop executes continously and calculates the control - * response. - * - * @param argc number of arguments - * @param argv argument array - * - * @return 0 - * - */ -int fixedwing_control_thread_main(int argc, char *argv[]) -{ - /* read arguments */ - bool verbose = false; - - for (int i = 1; i < argc; i++) { - if (strcmp(argv[i], "-v") == 0 || strcmp(argv[i], "--verbose") == 0) { - verbose = true; - } - } - - /* welcome user */ - printf("[fixedwing control] started\n"); - - /* output structs */ - struct actuator_controls_s actuators; - struct vehicle_attitude_setpoint_s att_sp; - memset(&att_sp, 0, sizeof(att_sp)); - - /* publish actuator controls */ - for (unsigned i = 0; i < NUM_ACTUATOR_CONTROLS; i++) - actuators.control[i] = 0.0f; - orb_advert_t actuator_pub = orb_advertise(ORB_ID_VEHICLE_ATTITUDE_CONTROLS, &actuators); - orb_advert_t att_sp_pub = orb_advertise(ORB_ID(vehicle_attitude_setpoint), &att_sp); - - /* Subscribe to global position, attitude and rc */ - /* declare and safely initialize all structs */ - struct vehicle_status_s state; - memset(&state, 0, sizeof(state)); - struct vehicle_attitude_s att; - memset(&att_sp, 0, sizeof(att_sp)); - struct manual_control_setpoint_s manual; - memset(&manual, 0, sizeof(manual)); - - /* subscribe to attitude, motor setpoints and system state */ - struct vehicle_global_position_s global_pos; - int global_pos_sub = orb_subscribe(ORB_ID(vehicle_global_position)); - struct vehicle_global_position_setpoint_s global_setpoint; - int global_setpoint_sub = orb_subscribe(ORB_ID(vehicle_global_position_setpoint)); - int att_sub = orb_subscribe(ORB_ID(vehicle_attitude)); - int att_setpoint_sub = orb_subscribe(ORB_ID(vehicle_attitude_setpoint)); - int state_sub = orb_subscribe(ORB_ID(vehicle_status)); - int manual_sub = orb_subscribe(ORB_ID(manual_control_setpoint)); - - /* Mainloop setup */ - unsigned int loopcounter = 0; - - uint64_t last_run = 0; - uint64_t last_run_pos = 0; - - bool global_sp_updated_set_once = false; - - struct fw_att_control_params p; - struct fw_att_control_param_handles h; - - struct fw_pos_control_params ppos; - struct fw_pos_control_param_handles hpos; - - /* initialize the pid controllers */ - att_parameters_init(&h); - att_parameters_update(&h, &p); - - pos_parameters_init(&hpos); - pos_parameters_update(&hpos, &ppos); - -// TO_DO Fix output limit functionallity of PID controller or add that function elsewhere - PID_t roll_rate_controller; - pid_init(&roll_rate_controller, p.rollrate_p, p.rollrate_i, 0.0f, p.rollrate_awu, - p.rollrate_lim,PID_MODE_DERIVATIV_NONE); - PID_t roll_angle_controller; - pid_init(&roll_angle_controller, p.roll_p, 0.0f, 0.0f, 0.0f, - p.roll_lim,PID_MODE_DERIVATIV_NONE); - - PID_t pitch_rate_controller; - pid_init(&pitch_rate_controller, p.pitchrate_p, p.pitchrate_i, 0.0f, p.pitchrate_awu, - p.pitchrate_lim,PID_MODE_DERIVATIV_NONE); - PID_t pitch_angle_controller; - pid_init(&pitch_angle_controller, p.pitch_p, 0.0f, 0.0f, 0.0f, - p.pitch_lim,PID_MODE_DERIVATIV_NONE); - - PID_t heading_controller; - pid_init(&heading_controller, ppos.heading_p, 0.0f, 0.0f, 0.0f, - 100.0f,PID_MODE_DERIVATIV_SET); // Temporary arbitrarily large limit - - // XXX remove in production - /* advertise debug value */ - struct debug_key_value_s dbg = { .key = "", .value = 0.0f }; - orb_advert_t pub_dbg = orb_advertise(ORB_ID(debug_key_value), &dbg); - - // This is the top of the main loop - while(!thread_should_exit) { - - struct pollfd fds[1] = { - { .fd = att_sub, .events = POLLIN }, - }; - int ret = poll(fds, 1, 1000); - - if (ret < 0) { - /* XXX this is seriously bad - should be an emergency */ - } else if (ret == 0) { - /* XXX this means no sensor data - should be critical or emergency */ - printf("[fixedwing control] WARNING: Not getting attitude - estimator running?\n"); - } else { - - // FIXME SUBSCRIBE - if (loopcounter % 100 == 0) { - att_parameters_update(&h, &p); - pos_parameters_update(&hpos, &ppos); - pid_set_parameters(&roll_rate_controller, p.rollrate_p, p.rollrate_i, 0.0f, - p.rollrate_awu, p.rollrate_lim); - pid_set_parameters(&roll_angle_controller, p.roll_p, 0.0f, 0.0f, - 0.0f, p.roll_lim); - pid_set_parameters(&pitch_rate_controller, p.pitchrate_p, p.pitchrate_i, 0.0f, - p.pitchrate_awu, p.pitchrate_lim); - pid_set_parameters(&pitch_angle_controller, p.pitch_p, 0.0f, 0.0f, - 0.0f, p.pitch_lim); - pid_set_parameters(&heading_controller, ppos.heading_p, 0.0f, 0.0f, 0.0f, 90.0f); -//printf("[fixedwing control debug] p: %8.4f, i: %8.4f, limit: %8.4f \n", -//p.rollrate_p, p.rollrate_i, p.rollrate_lim); - } - - /* if position updated, run position control loop */ - bool pos_updated; - orb_check(global_pos_sub, &pos_updated); - bool global_sp_updated; - orb_check(global_setpoint_sub, &global_sp_updated); - if (global_sp_updated) { - global_sp_updated_set_once = true; - } - /* checking has to happen before the read, as the read clears the changed flag */ - - /* get a local copy of system state */ - orb_copy(ORB_ID(vehicle_status), state_sub, &state); - /* get a local copy of manual setpoint */ - orb_copy(ORB_ID(manual_control_setpoint), manual_sub, &manual); - /* get a local copy of attitude */ - orb_copy(ORB_ID(vehicle_attitude), att_sub, &att); - /* get a local copy of attitude setpoint */ - //orb_copy(ORB_ID(vehicle_attitude_setpoint), att_setpoint_sub, &att_sp); - // XXX update to switch between external attitude reference and the - // attitude calculated here - - char name[10]; - - if (pos_updated) { - - /* get position */ - orb_copy(ORB_ID(vehicle_global_position), global_pos_sub, &global_pos); - - if (global_sp_updated_set_once) { - orb_copy(ORB_ID(vehicle_global_position_setpoint), global_setpoint_sub, &global_setpoint); - - - /* calculate delta T */ - const float deltaT = (hrt_absolute_time() - last_run) / 1000000.0f; - last_run = hrt_absolute_time(); - - /* calculate bearing error */ - float target_bearing = get_bearing_to_next_waypoint(global_pos.lat / (double)1e7d, global_pos.lon / (double)1e7d, - global_setpoint.lat / (double)1e7d, global_setpoint.lon / (double)1e7d); - - /* shift error to prevent wrapping issues */ - float bearing_error = target_bearing - att.yaw; - - if (loopcounter % 2 == 0) { - sprintf(name, "hdng err1"); - memcpy(dbg.key, name, sizeof(name)); - dbg.value = bearing_error; - orb_publish(ORB_ID(debug_key_value), pub_dbg, &dbg); - } - - if (bearing_error < M_PI_F) { - bearing_error += 2.0f * M_PI_F; - } - - if (bearing_error > M_PI_F) { - bearing_error -= 2.0f * M_PI_F; - } - - if (loopcounter % 2 != 0) { - sprintf(name, "hdng err2"); - memcpy(dbg.key, name, sizeof(name)); - dbg.value = bearing_error; - orb_publish(ORB_ID(debug_key_value), pub_dbg, &dbg); - } - - /* calculate roll setpoint, do this artificially around zero */ - att_sp.roll_body = pid_calculate(&heading_controller, bearing_error, - 0.0f, att.yawspeed, deltaT); - - /* limit roll angle output */ - if (att_sp.roll_body > ppos.heading_lim) { - att_sp.roll_body = ppos.heading_lim; - heading_controller.saturated = 1; - } - - if (att_sp.roll_body < -ppos.heading_lim) { - att_sp.roll_body = -ppos.heading_lim; - heading_controller.saturated = 1; - } - - att_sp.pitch_body = 0.0f; - att_sp.yaw_body = 0.0f; - - } else { - /* no setpoint, maintain level flight */ - att_sp.roll_body = 0.0f; - att_sp.pitch_body = 0.0f; - att_sp.yaw_body = 0.0f; - } - - att_sp.thrust = 0.7f; - } - - /* calculate delta T */ - const float deltaTpos = (hrt_absolute_time() - last_run_pos) / 1000000.0f; - last_run_pos = hrt_absolute_time(); - - if (verbose && (loopcounter % 20 == 0)) { - printf("[fixedwing control] roll sp: %8.4f, \n", att_sp.roll_body); - } - - // actuator control[0] is aileron (or elevon roll control) - // Commanded roll rate from P controller on roll angle - float roll_rate_command = pid_calculate(&roll_angle_controller, att_sp.roll_body, - att.roll, 0.0f, deltaTpos); - // actuator control from PI controller on roll rate - actuators.control[0] = pid_calculate(&roll_rate_controller, roll_rate_command, - att.rollspeed, 0.0f, deltaTpos); - - // actuator control[1] is elevator (or elevon pitch control) - // Commanded pitch rate from P controller on pitch angle - float pitch_rate_command = pid_calculate(&pitch_angle_controller, att_sp.pitch_body, - att.pitch, 0.0f, deltaTpos); - // actuator control from PI controller on pitch rate - actuators.control[1] = pid_calculate(&pitch_rate_controller, pitch_rate_command, - att.pitchspeed, 0.0f, deltaTpos); - - // actuator control[3] is throttle - actuators.control[3] = att_sp.thrust; - - /* publish attitude setpoint (for MAVLink) */ - orb_publish(ORB_ID(vehicle_attitude_setpoint), att_sp_pub, &att_sp); - - /* publish actuator setpoints (for mixer) */ - orb_publish(ORB_ID_VEHICLE_ATTITUDE_CONTROLS, actuator_pub, &actuators); - - loopcounter++; - - } - } - - printf("[fixedwing_control] exiting.\n"); - thread_running = false; - - return 0; -} - -static void -usage(const char *reason) -{ - if (reason) - fprintf(stderr, "%s\n", reason); - fprintf(stderr, "usage: fixedwing_control {start|stop|status}\n\n"); - exit(1); -} - -/** - * The deamon app only briefly exists to start - * the background job. The stack size assigned in the - * Makefile does only apply to this management task. - * - * The actual stack size should be set in the call - * to task_create(). - */ -int fixedwing_control_main(int argc, char *argv[]) -{ - if (argc < 1) - usage("missing command"); - - if (!strcmp(argv[1], "start")) { - - if (thread_running) { - printf("fixedwing_control already running\n"); - /* this is not an error */ - exit(0); - } - - thread_should_exit = false; - deamon_task = task_spawn("fixedwing_control", - SCHED_DEFAULT, - SCHED_PRIORITY_MAX - 20, - 4096, - fixedwing_control_thread_main, - (argv) ? (const char **)&argv[2] : (const char **)NULL); - thread_running = true; - exit(0); - } - - if (!strcmp(argv[1], "stop")) { - thread_should_exit = true; - exit(0); - } - - if (!strcmp(argv[1], "status")) { - if (thread_running) { - printf("\tfixedwing_control is running\n"); - } else { - printf("\tfixedwing_control not started\n"); - } - exit(0); - } - - usage("unrecognized command"); - exit(1); -} - -static int att_parameters_init(struct fw_att_control_param_handles *h) -{ - /* PID parameters */ - - h->rollrate_p = param_find("FW_ROLLRATE_P"); - h->rollrate_i = param_find("FW_ROLLRATE_I"); - h->rollrate_awu = param_find("FW_ROLLRATE_AWU"); - h->rollrate_lim = param_find("FW_ROLLRATE_LIM"); - h->roll_p = param_find("FW_ROLL_P"); - h->roll_lim = param_find("FW_ROLL_LIM"); - h->pitchrate_p = param_find("FW_PITCHRATE_P"); - h->pitchrate_i = param_find("FW_PITCHRATE_I"); - h->pitchrate_awu = param_find("FW_PITCHRATE_AWU"); - h->pitchrate_lim = param_find("FW_PITCHRATE_LIM"); - h->pitch_p = param_find("FW_PITCH_P"); - h->pitch_lim = param_find("FW_PITCH_LIM"); - - return OK; -} - -static int att_parameters_update(const struct fw_att_control_param_handles *h, struct fw_att_control_params *p) -{ - param_get(h->rollrate_p, &(p->rollrate_p)); - param_get(h->rollrate_i, &(p->rollrate_i)); - param_get(h->rollrate_awu, &(p->rollrate_awu)); - param_get(h->rollrate_lim, &(p->rollrate_lim)); - param_get(h->roll_p, &(p->roll_p)); - param_get(h->roll_lim, &(p->roll_lim)); - param_get(h->pitchrate_p, &(p->pitchrate_p)); - param_get(h->pitchrate_i, &(p->pitchrate_i)); - param_get(h->pitchrate_awu, &(p->pitchrate_awu)); - param_get(h->pitchrate_lim, &(p->pitchrate_lim)); - param_get(h->pitch_p, &(p->pitch_p)); - param_get(h->pitch_lim, &(p->pitch_lim)); - - return OK; -} - -static int pos_parameters_init(struct fw_pos_control_param_handles *h) -{ - /* PID parameters */ - h->heading_p = param_find("FW_HEADING_P"); - h->heading_lim = param_find("FW_HEADING_LIM"); - - return OK; -} - -static int pos_parameters_update(const struct fw_pos_control_param_handles *h, struct fw_pos_control_params *p) -{ - param_get(h->heading_p, &(p->heading_p)); - param_get(h->heading_lim, &(p->heading_lim)); - - return OK; -} diff --git a/nuttx/configs/px4fmu/nsh/appconfig b/nuttx/configs/px4fmu/nsh/appconfig index d32ca5ef7b..ca9f3f4ee3 100644 --- a/nuttx/configs/px4fmu/nsh/appconfig +++ b/nuttx/configs/px4fmu/nsh/appconfig @@ -77,7 +77,6 @@ CONFIGURED_APPS += sensors CONFIGURED_APPS += ardrone_interface CONFIGURED_APPS += multirotor_att_control CONFIGURED_APPS += multirotor_pos_control -#CONFIGURED_APPS += fixedwing_control CONFIGURED_APPS += fixedwing_att_control CONFIGURED_APPS += fixedwing_pos_control CONFIGURED_APPS += position_estimator