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authorLorenz Meier <lm@inf.ethz.ch>2014-12-12 14:07:42 +0100
committerLorenz Meier <lm@inf.ethz.ch>2014-12-12 14:07:42 +0100
commit691e42324cc9d29f9a7dc57dc61316ebf6b092a1 (patch)
treedb299df9afa706ccd58163e5bb3ee3ccf8085f39 /src/examples/fixedwing_control
parentbe5bd6f97850307c82351184a52ca49b38cf49a4 (diff)
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Fix build breakage in FW control example
Diffstat (limited to 'src/examples/fixedwing_control')
-rw-r--r--src/examples/fixedwing_control/main.c153
1 files changed, 22 insertions, 131 deletions
diff --git a/src/examples/fixedwing_control/main.c b/src/examples/fixedwing_control/main.c
index 067d77364..6a5cbcd30 100644
--- a/src/examples/fixedwing_control/main.c
+++ b/src/examples/fixedwing_control/main.c
@@ -1,7 +1,6 @@
/****************************************************************************
*
- * Copyright (c) 2013 PX4 Development Team. All rights reserved.
- * Author: Lorenz Meier <lm@inf.ethz.ch>
+ * Copyright (c) 2013, 2014 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
@@ -31,6 +30,7 @@
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
+
/**
* @file main.c
*
@@ -55,7 +55,7 @@
#include <drivers/drv_hrt.h>
#include <uORB/uORB.h>
#include <uORB/topics/vehicle_global_position.h>
-#include <uORB/topics/vehicle_global_position_setpoint.h>
+#include <uORB/topics/position_setpoint_triplet.h>
#include <uORB/topics/vehicle_attitude.h>
#include <uORB/topics/vehicle_status.h>
#include <uORB/topics/vehicle_attitude_setpoint.h>
@@ -106,11 +106,9 @@ static void usage(const char *reason);
*
* @param att_sp The current attitude setpoint - the values the system would like to reach.
* @param att The current attitude. The controller should make the attitude match the setpoint
- * @param speed_body The velocity of the system. Currently unused.
* @param rates_sp The angular rate setpoint. This is the output of the controller.
*/
-void control_attitude(const struct vehicle_attitude_setpoint_s *att_sp, const struct vehicle_attitude_s *att,
- float speed_body[], struct vehicle_rates_setpoint_s *rates_sp,
+void control_attitude(const struct vehicle_attitude_setpoint_s *att_sp, const struct vehicle_attitude_s *att, struct vehicle_rates_setpoint_s *rates_sp,
struct actuator_controls_s *actuators);
/**
@@ -125,7 +123,7 @@ void control_attitude(const struct vehicle_attitude_setpoint_s *att_sp, const st
* @param att The current attitude
* @param att_sp The attitude setpoint. This is the output of the controller
*/
-void control_heading(const struct vehicle_global_position_s *pos, const struct vehicle_global_position_setpoint_s *sp,
+void control_heading(const struct vehicle_global_position_s *pos, const struct position_setpoint_s *sp,
const struct vehicle_attitude_s *att, struct vehicle_attitude_setpoint_s *att_sp);
/* Variables */
@@ -135,8 +133,7 @@ static int deamon_task; /**< Handle of deamon task / thread */
static struct params p;
static struct param_handles ph;
-void control_attitude(const struct vehicle_attitude_setpoint_s *att_sp, const struct vehicle_attitude_s *att,
- float speed_body[], struct vehicle_rates_setpoint_s *rates_sp,
+void control_attitude(const struct vehicle_attitude_setpoint_s *att_sp, const struct vehicle_attitude_s *att, struct vehicle_rates_setpoint_s *rates_sp,
struct actuator_controls_s *actuators)
{
@@ -173,7 +170,7 @@ void control_attitude(const struct vehicle_attitude_setpoint_s *att_sp, const st
actuators->control[1] = pitch_err * p.pitch_p;
}
-void control_heading(const struct vehicle_global_position_s *pos, const struct vehicle_global_position_setpoint_s *sp,
+void control_heading(const struct vehicle_global_position_s *pos, const struct position_setpoint_s *sp,
const struct vehicle_attitude_s *att, struct vehicle_attitude_setpoint_s *att_sp)
{
@@ -186,7 +183,7 @@ void control_heading(const struct vehicle_global_position_s *pos, const struct v
/* calculate heading error */
float yaw_err = att->yaw - bearing;
/* apply control gain */
- float roll_command = yaw_err * p.hdng_p;
+ att_sp->roll_body = yaw_err * p.hdng_p;
/* limit output, this commonly is a tuning parameter, too */
if (att_sp->roll_body < -0.6f) {
@@ -253,7 +250,7 @@ int fixedwing_control_thread_main(int argc, char *argv[])
memset(&manual_sp, 0, sizeof(manual_sp));
struct vehicle_status_s vstatus;
memset(&vstatus, 0, sizeof(vstatus));
- struct vehicle_global_position_setpoint_s global_sp;
+ struct position_setpoint_s global_sp;
memset(&global_sp, 0, sizeof(global_sp));
/* output structs - this is what is sent to the mixer */
@@ -275,17 +272,14 @@ int fixedwing_control_thread_main(int argc, char *argv[])
/* subscribe to topics. */
int att_sub = orb_subscribe(ORB_ID(vehicle_attitude));
- int att_sp_sub = orb_subscribe(ORB_ID(vehicle_attitude_setpoint));
int global_pos_sub = orb_subscribe(ORB_ID(vehicle_global_position));
int manual_sp_sub = orb_subscribe(ORB_ID(manual_control_setpoint));
int vstatus_sub = orb_subscribe(ORB_ID(vehicle_status));
- int global_sp_sub = orb_subscribe(ORB_ID(vehicle_global_position_setpoint));
+ int global_sp_sub = orb_subscribe(ORB_ID(position_setpoint_triplet));
int param_sub = orb_subscribe(ORB_ID(parameter_update));
/* Setup of loop */
- float speed_body[3] = {0.0f, 0.0f, 0.0f};
- /* RC failsafe check */
- bool throttle_half_once = false;
+
struct pollfd fds[2] = {{ .fd = param_sub, .events = POLLIN },
{ .fd = att_sub, .events = POLLIN }};
@@ -339,25 +333,10 @@ int fixedwing_control_thread_main(int argc, char *argv[])
/* get a local copy of attitude */
orb_copy(ORB_ID(vehicle_attitude), att_sub, &att);
- if (global_sp_updated)
- orb_copy(ORB_ID(vehicle_global_position_setpoint), global_sp_sub, &global_sp);
-
- /* currently speed in body frame is not used, but here for reference */
- if (pos_updated) {
- orb_copy(ORB_ID(vehicle_global_position), global_pos_sub, &global_pos);
-
- if (att.R_valid) {
- speed_body[0] = att.R[0][0] * global_pos.vx + att.R[0][1] * global_pos.vy + att.R[0][2] * global_pos.vz;
- speed_body[1] = att.R[1][0] * global_pos.vx + att.R[1][1] * global_pos.vy + att.R[1][2] * global_pos.vz;
- speed_body[2] = att.R[2][0] * global_pos.vx + att.R[2][1] * global_pos.vy + att.R[2][2] * global_pos.vz;
-
- } else {
- speed_body[0] = 0;
- speed_body[1] = 0;
- speed_body[2] = 0;
-
- warnx("Did not get a valid R\n");
- }
+ if (global_sp_updated) {
+ struct position_setpoint_triplet_s triplet;
+ orb_copy(ORB_ID(position_setpoint_triplet), global_sp_sub, &triplet);
+ memcpy(&global_sp, &triplet.current, sizeof(global_sp));
}
if (manual_sp_updated)
@@ -365,106 +344,14 @@ int fixedwing_control_thread_main(int argc, char *argv[])
orb_copy(ORB_ID(manual_control_setpoint), manual_sp_sub, &manual_sp);
/* check if the throttle was ever more than 50% - go later only to failsafe if yes */
- if (isfinite(manual_sp.throttle) &&
- (manual_sp.throttle >= 0.6f) &&
- (manual_sp.throttle <= 1.0f)) {
- throttle_half_once = true;
+ if (isfinite(manual_sp.z) &&
+ (manual_sp.z >= 0.6f) &&
+ (manual_sp.z <= 1.0f)) {
}
/* get the system status and the flight mode we're in */
orb_copy(ORB_ID(vehicle_status), vstatus_sub, &vstatus);
- /* control */
-
-#warning fix this
-#if 0
- if (vstatus.navigation_state == NAVIGATION_STATE_AUTO_ ||
- vstatus.navigation_state == NAVIGATION_STATE_STABILIZED) {
-
- /* simple heading control */
- control_heading(&global_pos, &global_sp, &att, &att_sp);
-
- /* nail pitch and yaw (rudder) to zero. This example only controls roll (index 0) */
- actuators.control[1] = 0.0f;
- actuators.control[2] = 0.0f;
-
- /* simple attitude control */
- control_attitude(&att_sp, &att, speed_body, &rates_sp, &actuators);
-
- /* pass through throttle */
- actuators.control[3] = att_sp.thrust;
-
- /* set flaps to zero */
- actuators.control[4] = 0.0f;
-
- } else if (vstatus.navigation_state == NAVIGATION_STATE_MANUAL) {
- /* if in manual mode, decide between attitude stabilization (SAS) and full manual pass-through */
- } else if (vstatus.state_machine == SYSTEM_STATE_MANUAL) {
- if (vstatus.manual_control_mode == VEHICLE_MANUAL_CONTROL_MODE_SAS) {
-
- /* if the RC signal is lost, try to stay level and go slowly back down to ground */
- if (vstatus.rc_signal_lost && throttle_half_once) {
-
- /* put plane into loiter */
- att_sp.roll_body = 0.3f;
- att_sp.pitch_body = 0.0f;
-
- /* limit throttle to 60 % of last value if sane */
- if (isfinite(manual_sp.throttle) &&
- (manual_sp.throttle >= 0.0f) &&
- (manual_sp.throttle <= 1.0f)) {
- att_sp.thrust = 0.6f * manual_sp.throttle;
-
- } else {
- att_sp.thrust = 0.0f;
- }
-
- att_sp.yaw_body = 0;
-
- // XXX disable yaw control, loiter
-
- } else {
-
- att_sp.roll_body = manual_sp.roll;
- att_sp.pitch_body = manual_sp.pitch;
- att_sp.yaw_body = 0;
- att_sp.thrust = manual_sp.throttle;
- }
-
- att_sp.timestamp = hrt_absolute_time();
-
- /* attitude control */
- control_attitude(&att_sp, &att, speed_body, &rates_sp, &actuators);
-
- /* pass through throttle */
- actuators.control[3] = att_sp.thrust;
-
- /* pass through flaps */
- if (isfinite(manual_sp.flaps)) {
- actuators.control[4] = manual_sp.flaps;
-
- } else {
- actuators.control[4] = 0.0f;
- }
-
- } else if (vstatus.manual_control_mode == VEHICLE_MANUAL_CONTROL_MODE_DIRECT) {
- /* directly pass through values */
- actuators.control[0] = manual_sp.roll;
- /* positive pitch means negative actuator -> pull up */
- actuators.control[1] = manual_sp.pitch;
- actuators.control[2] = manual_sp.yaw;
- actuators.control[3] = manual_sp.throttle;
-
- if (isfinite(manual_sp.flaps)) {
- actuators.control[4] = manual_sp.flaps;
-
- } else {
- actuators.control[4] = 0.0f;
- }
- }
- }
-#endif
-
/* publish rates */
orb_publish(ORB_ID(vehicle_rates_setpoint), rates_pub, &rates_sp);
@@ -474,6 +361,10 @@ int fixedwing_control_thread_main(int argc, char *argv[])
isfinite(actuators.control[2]) &&
isfinite(actuators.control[3])) {
orb_publish(ORB_ID_VEHICLE_ATTITUDE_CONTROLS, actuator_pub, &actuators);
+
+ if (verbose) {
+ warnx("published");
+ }
}
}
}