accelerometer.scm

#|
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|#

;; get accelerometer data from devices (only android, ios)

(c-declare  #<<end-of-c-declare

#ifdef IOS
  double ios_accel_getx(void);
  double ios_accel_gety(void);
  double ios_accel_getz(void);
#endif

#ifdef ANDROID
  double android_accel_getx(void);
  double android_accel_gety(void);
  double android_accel_getz(void);
#endif

#ifdef BB10
  double qnx_accel_getx(void);
  double qnx_accel_gety(void);
  double qnx_accel_getz(void);
#endif

static double accel_x(void) {
#ifdef IOS
  return ios_accel_getx();
#elif ANDROID
  return android_accel_getx();
#elif BB10
  return qnx_accel_getx();
#else
  return 0;
#endif
}

static double accel_y(void) {
#ifdef IOS
  return ios_accel_gety();
#elif ANDROID
  return android_accel_gety();
#elif BB10
  return qnx_accel_gety();
#else
  return 0;
#endif
}

static double accel_z(void) {
#ifdef IOS
  return ios_accel_getz();
#elif ANDROID
  return android_accel_getz();
#elif BB10
  return qnx_accel_getz();
#else
  return 0;
#endif
}

end-of-c-declare
)

(define accel-x (c-lambda () double "accel_x"))
(define accel-y (c-lambda () double "accel_y"))
(define accel-z (c-lambda () double "accel_z"))

;; eof