carpi/gpio_button_manager.hpp at master · SamuelDeal/carpi · GitHub

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
#ifndef _GPIO_BUTTON_MANAGER_HPP
#define _GPIO_BUTTON_MANAGER_HPP

#include <pthread.h>
#include <sys/timerfd.h>
#include <mutex>
#include <map>
#include <vector>
#include <poll.h>

#include "pipe.hpp"

class GpioButton;

class GpioButtonManager {
    public:
        static bool add(GpioButton *);
        static void remove(GpioButton *);
        static void onButtonTimerChanged();

    protected:
        static GpioButtonManager* _instance;
        static std::mutex _mut;
        static std::map<int, GpioButton*> _btns;

        static const char EXIT = 1;
        static const char BUTTON_CHANGED = 2;
        static const char BUTTON_LIST_CHANGED = 3;

        GpioButtonManager();
        ~GpioButtonManager();

        static void* _startRun(void* manager);
        void _run();

        int _initFdList(pollfd*);
        void _resetLocalList();
        void _initTimerFd();
        void _clearTimer(int timerFd);

        Pipe _pipe;
        int _timerFd;
        itimerspec _interval;
        pthread_t _thread;
        std::vector<GpioButton*> _localBtns;
};

#endif // _GPIO_BUTTON_MANAGER_HPP