src/lib/Baro/baro_spl06.h

   1 #pragma once
   2
   3 #include "baro_base.h"
   4 #include "baro_spl06_regs.h"
   5
   6 class SPL06 : public BaroI2CBase
   7 {
   8 public:
   9     SPL06() : BaroI2CBase(), m_calib{0} {}
  10
  11     // Detect if chip is present
  12     static bool detect();
  13
  14     // BaroBase methods
  15     void initialize();
  16     uint8_t getPressureDuration();
  17     void startPressure();
  18     uint32_t getPressure();
  19     uint8_t getTemperatureDuration();
  20     void startTemperature();
  21     int32_t getTemperature();
  22 protected:
  23     // 32x Pressure + 8x Temperature = 70ms per update
  24     // 4x=8.4ms/2.5PaRMS, 8x=14.8ms, 16x=27.6ms/1.2Pa, 32x=53.2ms/0.9Pa, 64x=104.4ms/0.5Pa
  25     const uint8_t OVERSAMPLING_PRESSURE = 32;
  26     const uint8_t OVERSAMPLING_TEMPERATURE = 8;
  27
  28     uint8_t oversampleToRegVal(const uint8_t oversamples) const;
  29     int32_t oversampleToScaleFactor(const uint8_t oversamples) const;
  30     float m_temperatureLast; // last uncompensated temperature value
  31
  32     struct tagCalibrationData
  33     {
  34         int16_t c0;
  35         int16_t c1;
  36         int32_t c00;
  37         int32_t c10;
  38         int16_t c01;
  39         int16_t c11;
  40         int16_t c20;
  41         int16_t c21;
  42         int16_t c30;
  43     } m_calib; // calibration data, if initialized
  44
  45 };