DigitalOutputGuard.h

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#pragma once
 
#include "base/BaseGpio.h"
#include "base/HardwareTypes.h"
 
class DigitalOutputGuard {
public:
  explicit DigitalOutputGuard(BaseGpio& gpio, bool ensure_output_mode = true) noexcept;
 
  explicit DigitalOutputGuard(BaseGpio* gpio, bool ensure_output_mode = true) noexcept;
 
  ~DigitalOutputGuard() noexcept;
 
  // Disable copy operations for safety
  DigitalOutputGuard(const DigitalOutputGuard&) = delete;
  DigitalOutputGuard& operator=(const DigitalOutputGuard&) = delete;
 
  // Allow move operations
  DigitalOutputGuard(DigitalOutputGuard&&) noexcept = default;
  DigitalOutputGuard& operator=(DigitalOutputGuard&&) noexcept = default;
 
  [[nodiscard]] bool IsValid() const noexcept {
    return is_valid_;
  }
 
  [[nodiscard]] hf_gpio_err_t GetLastError() const noexcept {
    return last_error_;
  }
 
  hf_gpio_err_t SetActive() noexcept;
 
  hf_gpio_err_t SetInactive() noexcept;
 
  [[nodiscard]] hf_gpio_state_t GetCurrentState() const noexcept;
 
private:
  BaseGpio* gpio_;           
  bool was_output_mode_;     
  bool is_valid_;            
  hf_gpio_err_t last_error_; 
 
  bool InitializeGuard(bool ensure_output_mode) noexcept;
};