digital_pin.h

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#pragma once
 
#include "fl/stl/shared_ptr.h"         // For FASTLED_SHARED_PTR macros
#include "fl/stl/noexcept.h"
 
namespace fl {
 
FASTLED_SHARED_PTR(DigitalPinImpl);
 
// A simple digital pin that provides a unified interface across all platforms
// using fl/pin.h. Supports digital I/O, pullup/pulldown resistors.
// Note: Analog mode is not supported by this class (use fl::analogRead directly).
class DigitalPin {
  public:
    enum Mode {
        kInput = 0,
        kOutput,
        kInputPullup,
        kInputPulldown,
    };
 
    DigitalPin(int pin) FL_NO_EXCEPT;
    ~DigitalPin() FL_NO_EXCEPT;
    DigitalPin(const DigitalPin &other) FL_NO_EXCEPT;
    DigitalPin &operator=(const DigitalPin &other) FL_NO_EXCEPT;
 
    DigitalPin(DigitalPin &&other) FL_NO_EXCEPT = delete;
 
    void setPinMode(Mode mode) FL_NO_EXCEPT;
    bool high() const FL_NO_EXCEPT;  // true if high, false if low
    void write(bool is_high) FL_NO_EXCEPT;
  private:
    DigitalPinImplPtr mImpl;
};
 
}  // namespace fl