ardupilot/libraries/AP_HAL_Linux/PollerThread.h

85 lines
2.0 KiB
C++

/*
* Copyright (C) 2016 Intel Corporation. All rights reserved.
*
* This file is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This file is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <inttypes.h>
#include <vector>
#include <AP_HAL/Device.h>
#include "Poller.h"
#include "Thread.h"
namespace Linux {
class TimerPollable : public Pollable {
friend class PollerThread;
public:
class WrapperCb {
public:
virtual ~WrapperCb() { }
virtual void start_cb() { }
virtual void end_cb() { }
};
using PeriodicCb = AP_HAL::Device::PeriodicCb;
virtual ~TimerPollable() { }
void on_can_read() override;
bool setup_timer(uint32_t timeout_usec);
bool adjust_timer(uint32_t timeout_usec);
protected:
TimerPollable(PeriodicCb cb, WrapperCb *wrapper)
: _cb(cb)
, _wrapper(wrapper)
{
}
PeriodicCb _cb;
WrapperCb *_wrapper;
bool _removeme = false;
};
class PollerThread : public Thread {
public:
PollerThread() : Thread{FUNCTOR_BIND_MEMBER(&PollerThread::mainloop, void)} { }
virtual ~PollerThread() { }
TimerPollable *add_timer(TimerPollable::PeriodicCb cb,
TimerPollable::WrapperCb *wrapper,
uint32_t timeout_usec);
bool adjust_timer(TimerPollable *p, uint32_t timeout_usec);
void mainloop();
bool stop() override;
protected:
void _cleanup_timers();
Poller _poller{};
std::vector<TimerPollable*> _timers{};
};
}