max30001g_typedefs.h

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/******************************************************************************************************/
/* Structures */
/******************************************************************************************************/
 
#ifndef MAX30001G_TYPEDEFS_H
#define MAX30001G_TYPEDEFS_H
 
#include <stdint.h>
#include "max30001g_defs.h"
 
struct ImpedanceModel {
  float magnitude;
  float phase;
};
 
struct ImpedanceSpectrum {
  float frequency[MAX30001_BIOZ_NUM_FREQUENCIES];
  float magnitude[MAX30001_BIOZ_NUM_FREQUENCIES];
  float phase[MAX30001_BIOZ_NUM_FREQUENCIES];
};
 
struct HealthCheckResult {
  bool spi_ok;
  uint32_t info_reg;
  uint32_t status_reg;
  bool pll_unlocked;
  bool fault_present;
};
 
enum BIOZScanPhaseRange : uint8_t {
  BIOZ_SCAN_PHASE_FULL = 0,
  BIOZ_SCAN_PHASE_REDUCED
};
 
struct BIOZScanConfig {
  uint8_t avg;
  bool fast;
  bool fourleads;
  bool use_internal_resistor;
  uint16_t internal_resistor_ohm;
  uint8_t max_retries;
  float low_target_fraction;
  float high_target_fraction;
  float target_fraction;
  uint8_t outlier_min_samples;
  float outlier_sigma;
  uint16_t timeout_margin_ms;
  uint8_t freq_start_index;
  uint8_t freq_end_index;
  BIOZScanPhaseRange phase_range;
  uint8_t internal_bist_ahpf;
  int32_t initial_current_nA;
  uint8_t settle_samples;
  uint8_t current_change_settle_samples;
 
  BIOZScanConfig()
      : avg(2),
        fast(false),
        fourleads(false),
        use_internal_resistor(false),
        internal_resistor_ohm(1000),
        max_retries(4),
        low_target_fraction(0.10f),
        high_target_fraction(0.90f),
        target_fraction(0.60f),
        outlier_min_samples(5),
        outlier_sigma(2.5f),
        timeout_margin_ms(50),
        freq_start_index(0),
        freq_end_index(7),
        phase_range(BIOZ_SCAN_PHASE_FULL),
        internal_bist_ahpf(255U),
        initial_current_nA(8000),
        settle_samples(24),
        current_change_settle_samples(32) {}
};
 
struct ConfigSnapshot {
  bool valid;
  uint32_t en_int1;
  uint32_t en_int2;
  uint32_t mngr_int;
  uint32_t mngr_dyn;
  uint32_t cnfg_gen;
  uint32_t cnfg_cal;
  uint32_t cnfg_emux;
  uint32_t cnfg_ecg;
  uint32_t cnfg_bmux;
  uint32_t cnfg_bioz;
  uint32_t cnfg_bioz_lc;
  uint32_t cnfg_rtor1;
  uint32_t cnfg_rtor2;
};
 
#endif // MAX30001G_TYPEDEFS_H