cached_gpio_component.h

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#pragma once
 
#include "esphome/components/gpio_expander/cached_gpio.h"
#include "esphome/core/component.h"
#include "esphome/core/hal.h"
 
namespace esphome::gpio_expander {
 
class InterruptExpanderComponent : public Component {
 public:
  void set_interrupt_pin(InternalGPIOPin *pin) { this->interrupt_pin_ = pin; }
  float get_setup_priority() const override { return setup_priority::IO; }
 
 protected:
  bool attach_interrupt_pin_();
  void disable_loop_when_released_();
  void enable_polling_loop_() {
    if (this->interrupt_pin_ == nullptr)
      this->enable_loop();
  }
 
  InternalGPIOPin *interrupt_pin_{nullptr};
};
 
template<typename T, uint16_t N>
class CachedGpioExpanderComponent : public InterruptExpanderComponent, public CachedGpioExpander<T, N> {
 public:
  void loop() override {
    this->reset_pin_cache_();
    if (this->interrupt_pin_ != nullptr)
      this->disable_loop_when_released_();
  }
 
 protected:
  void setup_interrupt_pin_() {
    if (this->attach_interrupt_pin_())
      this->set_invalidate_on_read_(false);
  }
};
 
}  // namespace esphome::gpio_expander