tca9555.h

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#pragma once
 
#include "esphome/components/gpio_expander/cached_gpio_component.h"
#include "esphome/components/gpio_expander/expander_gpio_pin.h"
#include "esphome/components/i2c/i2c.h"
#include "esphome/core/component.h"
#include "esphome/core/hal.h"
 
namespace esphome::tca9555 {
 
class TCA9555Component final : public gpio_expander::CachedGpioExpanderComponent<uint8_t, 16>, public i2c::I2CDevice {
 public:
  TCA9555Component() = default;
 
  void setup() override;
  void pin_mode(uint8_t pin, gpio::Flags flags);
 
  void dump_config() override;
 
 protected:
  // Virtual methods from GpioExpander base class — names come from base
  bool digital_read_hw(uint8_t pin) override;               // NOLINT(readability-identifier-naming)
  bool digital_read_cache(uint8_t pin) override;            // NOLINT(readability-identifier-naming)
  void digital_write_hw(uint8_t pin, bool value) override;  // NOLINT(readability-identifier-naming)
 
  uint16_t mode_mask_{0x00};
  uint16_t output_mask_{0x00};
  uint16_t input_mask_{0x00};
 
  bool read_gpio_modes_();
  bool write_gpio_modes_();
  bool read_gpio_outputs_();
};
 
using TCA9555GPIOPin = gpio_expander::ExpanderGPIOPin<TCA9555Component>;
 
}  // namespace esphome::tca9555
 
ESPHOME_EXPANDER_PIN_SUMMARY_DECL(esphome::tca9555::TCA9555Component);