firmware/src/concurrency/Periodic.h

#pragma once

#include "PeriodicTask.h"

namespace concurrency {

/**
 * @brief Periodically invoke a callback. This just provides C-style callback conventions 
 *        rather than a virtual function - FIXME, remove?
 */
class Periodic : public PeriodicTask
{
    uint32_t (*callback)();

  public:
    // callback returns the period for the next callback invocation (or 0 if we should no longer be called)
    Periodic(uint32_t (*_callback)()) : callback(_callback) {}

  protected:
    void doTask() {
        uint32_t p = callback();
        setPeriod(p);
    }
};

} // namespace concurrency