ch422g.h

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#pragma once
 
#include "esphome/components/gpio_expander/expander_gpio_pin.h"
#include "esphome/core/component.h"
#include "esphome/core/hal.h"
#include "esphome/components/i2c/i2c.h"
 
namespace esphome::ch422g {
 
class CH422GComponent final : public Component, public i2c::I2CDevice {
 public:
  CH422GComponent() = default;
 
  void setup() override;
  void loop() override;
  bool digital_read(uint8_t pin);
  void digital_write(uint8_t pin, bool value);
  void pin_mode(uint8_t pin, gpio::Flags flags);
 
  float get_setup_priority() const override;
  void dump_config() override;
 
 protected:
  bool write_reg_(uint8_t reg, uint8_t value);
  uint8_t read_reg_(uint8_t reg);
  bool set_mode_(uint8_t mode);
  bool read_inputs_();
  bool write_outputs_();
 
  uint16_t output_bits_{0x00};
  uint8_t pin_read_flags_ = {0x00};
  uint8_t input_bits_ = {0x00};
  uint8_t mode_value_{};
};
 
using CH422GGPIOPin = gpio_expander::ExpanderGPIOPin<CH422GComponent>;
 
}  // namespace esphome::ch422g
 
ESPHOME_EXPANDER_PIN_SUMMARY_DECL(esphome::ch422g::CH422GComponent);