src/lib/Baro/baro_bmp085.h

   1 #if 0
   2 // BRY: I implemented this entire unit thinking I had a BMP085 on hand
   3 // but I do not so this code is completely untested and never has run
   4 // but it compiles, so ship it!
   5 #pragma once
   6
   7 #include "baro_base.h"
   8 #include "baro_bmp085_regs.h"
   9
  10 class BMP085 : public BaroI2CBase
  11 {
  12 public:
  13     // Detect if chip is present
  14     static bool detect();
  15
  16     // BaroBase methods
  17     void initialize();
  18     uint8_t getPressureDuration();
  19     void startPressure();
  20     uint32_t getPressure();
  21     uint8_t getTemperatureDuration();
  22     void startTemperature();
  23     int32_t getTemperature();
  24
  25 protected:
  26     // 3x pressure + temperature = 30.5ms per update
  27     // 0x=4.5ms, 1x=7.5ms, 2x=13.5ms, 3x=25.5ms
  28     //             +3        +9         +21
  29     const uint8_t OVERSAMPLING_PRESSURE = 3;
  30
  31     // calibration data, if initialized
  32     // Packed to be able to read all at once
  33     struct tagCalibrationData
  34     {
  35         int16_t ac1;
  36         int16_t ac2;
  37         int16_t ac3;
  38         uint16_t ac4;
  39         uint16_t ac5;
  40         uint16_t ac6;
  41         int16_t b1;
  42         int16_t b2;
  43         int16_t mb;
  44         int16_t mc;
  45         int16_t md;
  46     } __attribute__((packed)) m_calib;
  47
  48     uint16_t m_temperatureLast;
  49
  50 private:
  51     int32_t computeB5(int32_t UT) const;
  52 };
  53 #endif