SafetyButton.hpp
3.59 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
/****************************************************************************
*
* Copyright (c) 2012-2019 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.
*
****************************************************************************/
#pragma once
#include <float.h>
#include <circuit_breaker/circuit_breaker.h>
#include <drivers/drv_hrt.h>
#include <px4_platform_common/px4_config.h>
#include <px4_platform_common/getopt.h>
#include <px4_platform_common/log.h>
#include <px4_platform_common/module.h>
#include <px4_platform_common/px4_work_queue/ScheduledWorkItem.hpp>
#include <uORB/Publication.hpp>
#include <uORB/Subscription.hpp>
#include <uORB/topics/actuator_armed.h>
#include <uORB/topics/safety.h>
#include <uORB/topics/vehicle_command.h>
#include <uORB/topics/led_control.h>
#include <uORB/topics/tune_control.h>
class SafetyButton : public ModuleBase<SafetyButton>, public px4::ScheduledWorkItem
{
public:
SafetyButton();
~SafetyButton() override;
/** @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;
int Start();
private:
void Run() override;
void CheckButton();
void FlashButton();
void CheckPairingRequest(bool button_pressed);
uORB::Subscription _armed_sub{ORB_ID(actuator_armed)};
uORB::Publication<safety_s> _to_safety{ORB_ID(safety)};
uORB::Publication<vehicle_command_s> _to_command{ORB_ID(vehicle_command)};
uORB::Publication<led_control_s> _to_led_control{ORB_ID(led_control)};
uORB::Publication<tune_control_s> _to_tune_control{ORB_ID(tune_control)};
safety_s _safety{};
uint8_t _button_counter{0};
uint8_t _blink_counter{0};
bool _safety_disabled{false}; ///< circuit breaker to disable the safety button
bool _safety_btn_off{false}; ///< State of the safety button read from the HW button
bool _safety_btn_prev_sate{false}; ///< Previous state of the HW button
// Pairing request
hrt_abstime _pairing_start{0};
int _pairing_button_counter{0};
};