openXsensor/oXs_sdp3x.h

   1 #ifndef OXS_sdp3x_h
   2 #define OXS_sdp3x_h
   3
   4 #include <Arduino.h>
   5 #include "oXs_config_basic.h"
   6 #include "oXs_config_advanced.h"
   7 #include "oXs_config_macros.h"
   8 #include "I2C.h"
   9 #include "oXs_4525.h"
  10
  11 /*
  12 struct AIRSPEEDDATA {
  13   float temperatureSdp3x;     // in Celsius , used when compensation is calculated
  14   float difPressure;          // in Pa
  15   struct ONE_MEASUREMENT airSpeed ;        // in 1/10 km/h or 1/10 knots (no decimal)
  16   float smoothAirSpeed ;    //cm/sec ; use in glider ratio
  17   //unsigned long lastCommand2Micros ; // used to avoid some task (reading voltage sensor, currentsensor, ..) when barometric data should be soon available for reading
  18                                      // = micro divided by 2 to avoid overflow on comparison
  19 };
  20 */
  21
  22 extern float actualPressure ;
  23
  24 class OXS_SDP3X {
  25 public:
  26 #ifdef DEBUG
  27   OXS_SDP3X(uint8_t addr, HardwareSerial &print);
  28 #else
  29   OXS_SDP3X(uint8_t addr) ;
  30 #endif
  31   AIRSPEEDDATA airSpeedData ;
  32   void setup();
  33   void  readSensor();
  34
  35
  36 private:
  37    uint8_t _addr;
  38    uint8_t I2CErrorCodeSdp3x ;
  39    float dpScaleSdp3x;      // differential pressure scale factor
  40    uint8_t data[2];                 // get 2 bytes returned by SDP3X
  41    float temperatureKelvinSdp3x;     // in Kelvin
  42 //   float difPressure;          // in Pa
  43
  44    float smoothDifPressure ;  // in Pa
  45    float expoSmooth_auto ;
  46    unsigned long  nextAirSpeedMillis ; //next time that airspeed must be available
  47    unsigned long  nextPressureReadMillis ; // next time that pressure can be read (datasheet says O.5msec)
  48
  49 #ifdef DEBUG
  50   HardwareSerial* printer;
  51 #endif
  52 }; // end class OXS_SDP3X
  53
  54 extern int32_t test1Value ;// used in order to test the transmission of any value
  55 extern bool test1ValueAvailable ;
  56 extern int32_t test2Value ;// used in order to test the transmission of any value
  57 extern bool test2ValueAvailable ;
  58 extern int32_t test3Value ;// used in order to test the transmission of any value
  59 extern bool test3ValueAvailable ;
  60
  61
  62 #endif // OXS_SDP3X
  63
  64