#ifndef VELOMETER_SS49E_H
#define VELOMETER_SS49E_H
#include <stdbool.h>
#include <stdint.h>

enum SS49E_WorkingPhase {
  SS49E_WORKING_PHASE_NORMAL,
  SS49E_WORKING_PHASE_CALIBRATING,
};

enum MagnetPolarityType {
  MAGNET_POLTYPE_BIPOLAR,
  MAGNET_POLTYPE_UNIPOLAR_POSITIVE,
  MAGNET_POLTYPE_UNIPOLAR_NEGATIVE,
};

typedef void (*ss49e_tick_callback_t)();

typedef struct {
  enum SS49E_WorkingPhase workingPhase;
  enum MagnetPolarityType magnetPolType;
  ss49e_tick_callback_t tickCallback;
  float threshold01, threshold10;
  bool currentLevel;
} SS49E_State;

void ss49e_init(SS49E_State *self, enum MagnetPolarityType magnetPolarityType, ss49e_tick_callback_t tickCallback);
void ss49e_process_sample(SS49E_State *self, uint16_t sample);

#endif