MANUAL_CONTROL.hpp
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/****************************************************************************
*
* Copyright (c) 2020 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.
*
****************************************************************************/
#ifndef MANUAL_CONTROL_HPP
#define MANUAL_CONTROL_HPP
#include <uORB/topics/manual_control_setpoint.h>
#include <uORB/topics/manual_control_switches.h>
class MavlinkStreamManualControl : public MavlinkStream
{
public:
static MavlinkStream *new_instance(Mavlink *mavlink) { return new MavlinkStreamManualControl(mavlink); }
static constexpr const char *get_name_static() { return "MANUAL_CONTROL"; }
static constexpr uint16_t get_id_static() { return MAVLINK_MSG_ID_MANUAL_CONTROL; }
const char *get_name() const override { return get_name_static(); }
uint16_t get_id() override { return get_id_static(); }
unsigned get_size() override
{
return _manual_control_setpoint_sub.advertised() ? (MAVLINK_MSG_ID_MANUAL_CONTROL_LEN + MAVLINK_NUM_NON_PAYLOAD_BYTES) :
0;
}
private:
explicit MavlinkStreamManualControl(Mavlink *mavlink) : MavlinkStream(mavlink) {}
uORB::Subscription _manual_control_setpoint_sub{ORB_ID(manual_control_setpoint)};
uORB::Subscription _manual_control_switches_sub{ORB_ID(manual_control_switches)};
bool send() override
{
manual_control_setpoint_s manual_control_setpoint;
if (_manual_control_setpoint_sub.update(&manual_control_setpoint)) {
mavlink_manual_control_t msg{};
msg.target = mavlink_system.sysid;
msg.x = manual_control_setpoint.x * 1000;
msg.y = manual_control_setpoint.y * 1000;
msg.z = manual_control_setpoint.z * 1000;
msg.r = manual_control_setpoint.r * 1000;
manual_control_switches_s manual_control_switches{};
if (_manual_control_switches_sub.copy(&manual_control_switches)) {
unsigned shift = 2;
msg.buttons = 0;
msg.buttons |= (manual_control_switches.mode_switch << (shift * 0));
msg.buttons |= (manual_control_switches.return_switch << (shift * 1));
msg.buttons |= (manual_control_switches.posctl_switch << (shift * 2));
msg.buttons |= (manual_control_switches.loiter_switch << (shift * 3));
msg.buttons |= (manual_control_switches.acro_switch << (shift * 4));
msg.buttons |= (manual_control_switches.offboard_switch << (shift * 5));
msg.buttons |= (manual_control_switches.kill_switch << (shift * 6));
}
mavlink_msg_manual_control_send_struct(_mavlink->get_channel(), &msg);
return true;
}
return false;
}
};
#endif // MANUAL_CONTROL