hx711.h

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#pragma once
 
#include "esphome/core/component.h"
#include "esphome/core/hal.h"
#include "esphome/components/sensor/sensor.h"
 
#include <cinttypes>
 
namespace esphome::hx711 {
 
enum HX711Gain : uint8_t {
  HX711_GAIN_128 = 1,
  HX711_GAIN_32 = 2,
  HX711_GAIN_64 = 3,
};
 
class HX711Sensor : public sensor::Sensor, public PollingComponent {
 public:
  void set_dout_pin(GPIOPin *dout_pin) { dout_pin_ = dout_pin; }
  void set_sck_pin(GPIOPin *sck_pin) { sck_pin_ = sck_pin; }
  void set_gain(HX711Gain gain) { gain_ = gain; }
 
  void setup() override;
  void dump_config() override;
  void update() override;
 
 protected:
  bool read_sensor_(uint32_t *result);
 
  GPIOPin *dout_pin_;
  GPIOPin *sck_pin_;
  HX711Gain gain_{HX711_GAIN_128};
};
 
}  // namespace esphome::hx711