pca6416a.h

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#pragma once
 
#include "esphome/core/component.h"
#include "esphome/core/hal.h"
#include "esphome/components/i2c/i2c.h"
#include "esphome/components/gpio_expander/cached_gpio_component.h"
#include "esphome/components/gpio_expander/expander_gpio_pin.h"
 
namespace esphome::pca6416a {
 
class PCA6416AComponent final : public gpio_expander::CachedGpioExpanderComponent<uint8_t, 16>, public i2c::I2CDevice {
 public:
  PCA6416AComponent() = default;
 
  void setup() override;
  void pin_mode(uint8_t pin, gpio::Flags flags);
 
  void dump_config() override;
 
 protected:
  // Virtual methods from CachedGpioExpander
  bool digital_read_hw(uint8_t pin) override;
  bool digital_read_cache(uint8_t pin) override;
  void digital_write_hw(uint8_t pin, bool value) override;
 
  bool read_register_(uint8_t reg, uint8_t *value);
  bool write_register_(uint8_t reg, uint8_t value);
  void update_register_(uint8_t pin, bool pin_value, uint8_t reg_addr);
 
  uint8_t output_0_{0x00};
  uint8_t output_1_{0x00};
  uint16_t input_mask_{0x00};
  esphome::i2c::ErrorCode last_error_;
  bool has_pullup_{false};
};
 
using PCA6416AGPIOPin = gpio_expander::ExpanderGPIOPin<PCA6416AComponent>;
 
}  // namespace esphome::pca6416a
 
ESPHOME_EXPANDER_PIN_SUMMARY_DECL(esphome::pca6416a::PCA6416AComponent);