PolledProducer.hxx

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#ifndef _OPENLCB_POLLEDPRODUCER_HXX_
#define _OPENLCB_POLLEDPRODUCER_HXX_
 
#include "openlcb/EventHandlerTemplates.hxx"
#include "openlcb/RefreshLoop.hxx"
 
namespace openlcb {
 
template <class Debouncer, class BaseBit>
class PolledProducer : public BaseBit, public Polling
{
public:
    template <typename... Fields>
    PolledProducer(const typename Debouncer::Options &debounce_args,
                   Fields... bit_args)
        : BaseBit(bit_args...)
        , debouncer_(debounce_args)
        , producer_(this)
    {
        debouncer_.initialize(BaseBit::get_current_state() == EventState::VALID);
    }
 
    EventState get_current_state() OVERRIDE
    {
        return debouncer_.current_state() ? EventState::VALID : EventState::INVALID;
    }
 
    void set_state(bool new_value) OVERRIDE
    {
        debouncer_.override(new_value);
    }
 
    void poll_33hz(WriteHelper *helper, Notifiable *done) OVERRIDE
    {
        if (debouncer_.update_state(BaseBit::get_current_state() == EventState::VALID))
        {
            producer_.SendEventReport(helper, done);
        }
        else
        {
            done->notify();
        }
    }
 
private:
    Debouncer debouncer_;
    BitEventProducer producer_;
};
 
} // namespace openlcb
 
#endif // _OPENLCB_POLLEDPRODUCER_HXX_