#ifndef _LORA32_H__
#define _LORA32_H__

typedef struct {
  float K;
  float offset_voltage;
  int8_t pin_led;
  adc1_channel_t adc_channel;
  adc_unit_t adc_unit;
} gp2y_cfg_t;

#define GP2Y_DEFAULT_CFG {\
  .K = 0.5,\
  .offset_voltage = 0.6,\
  .pin_led = -1,\
  .adc_channel = -1\
}

int32_t gp2y_read(gp2y_cfg_t *cfg, uint8_t samples);

#endif // _ESP32_GP2Y_H__