PeriodicTimer.h

Go to the documentation of this file.

#pragma once
#include "OsUtility.h"
 
class PeriodicTimer {
public:
    PeriodicTimer() noexcept : timer{}, created(false) {}
 
    ~PeriodicTimer() { if (created) os_timer_deactivate_and_delete_ex(timer); }
 
    bool Create(const char* name, void (*callback)(uint32_t), uint32_t arg,
                uint32_t periodMs, bool autoStart = false) noexcept {
        if (created) return false;
        uint32_t ticks = os_convert_msec_to_delay_ticks(periodMs);
        created = os_timer_create_ex(timer, name, callback, arg, ticks, ticks,
                                autoStart ? OS_AUTO_START : OS_DONT_START);
        return created;
    }
 
    bool Start() noexcept { return os_timer_activate_ex(timer); }
 
    bool Stop() noexcept { return os_timer_deactivate_ex(timer); }
 
    bool Destroy() noexcept {
        if (!created) {
            return true;
        }
        bool res = os_timer_deactivate_and_delete_ex(timer);
        if (res) created = false;
        return res;
    }
 
    bool IsValid() const noexcept { return created; }
 
private:
    OS_Timer timer;
    bool created;
};