airship_att_control.hpp 3.73 KB
/****************************************************************************
 *
 *   Copyright (c) 2013-2018 PX4 Development Team. All rights reserved.
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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#include <px4_platform_common/module.h>
#include <px4_platform_common/module_params.h>
#include <uORB/Publication.hpp>
#include <uORB/Subscription.hpp>
#include <uORB/SubscriptionCallback.hpp>
#include <uORB/topics/vehicle_status.h>
#include <uORB/topics/actuator_controls.h>
#include <uORB/topics/manual_control_setpoint.h>
#include <uORB/topics/parameter_update.h>
#include <uORB/topics/vehicle_angular_velocity.h>

using namespace time_literals;

/**
 * Airship attitude control app start / stop handling function
 */
extern "C" __EXPORT int airship_att_control_main(int argc, char *argv[]);

class AirshipAttitudeControl : public ModuleBase<AirshipAttitudeControl>, public ModuleParams,
	public px4::WorkItem
{
public:
	AirshipAttitudeControl();

	virtual ~AirshipAttitudeControl();

	/** @see ModuleBase */
	static int task_spawn(int argc, char *argv[]);

	/** @see ModuleBase */
	static int custom_command(int argc, char *argv[]);

	/** @see ModuleBase */
	static int print_usage(const char *reason = nullptr);

	/** @see ModuleBase::print_status() */
	int print_status() override;

	void Run() override;

	bool init();

private:

	/**
	 * Check for parameter update and handle it.
	 */
	void		parameter_update_poll();

	void		publish_actuator_controls();

	uORB::SubscriptionInterval _parameter_update_sub{ORB_ID(parameter_update), 1_s};		/**< parameter updates subscription */
	uORB::Subscription _vehicle_status_sub{ORB_ID(vehicle_status)};			/**< vehicle status subscription */
	uORB::Subscription _manual_control_sp_sub{ORB_ID(manual_control_setpoint)};	/**< manual control setpoint subscription */

	uORB::SubscriptionCallbackWorkItem _vehicle_angular_velocity_sub{this, ORB_ID(vehicle_angular_velocity)};

	uORB::Publication<actuator_controls_s>		_actuators_0_pub;

	struct manual_control_setpoint_s	_manual_control_sp {};	/**< manual control setpoint */
	struct vehicle_status_s			_vehicle_status {};	/**< vehicle status */
	struct actuator_controls_s		_actuators {};		/**< actuator controls */

	perf_counter_t	_loop_perf;			/**< loop performance counter */

};