gps.scm

#|
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|#

;; get physical location from devices (ios and android only)

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

#ifdef IOS
  double ios_location_getlatitude(void);
  double ios_location_getlongitude(void);
  double ios_location_getaltitude(void);
  double ios_location_getaccuracy(void);
  double ios_location_gettimestamp(void);
#endif

#ifdef ANDROID
  void android_location_toggleGPS(int);
  double android_location_getlatitude(void);
  double android_location_getlongitude(void);
  double android_location_getaltitude(void);
  double android_location_getaccuracy(void);
  double android_location_gettimestamp(void);
  int android_location_getsatviewed(void);
  int android_location_getsatfixed(void);
  int android_location_service(void);
#endif

#ifdef BB10
  double qnx_location_getlatitude(void);
  double qnx_location_getlongitude(void);
  double qnx_location_getlatitude(void);
  double qnx_location_getaccuracy(void);
  double qnx_location_gettimestamp(void);
#endif

void enable_gps(void){
#ifdef IOS

#elif ANDROID
  android_location_toggleGPS(1);
#elif BB10

#else
   return;
#endif
}

void disable_gps(void){
#ifdef IOS

#elif ANDROID
  android_location_toggleGPS(0);
#elif BB10

#else
   return;
#endif
}

static int sat_view(void){
#ifdef IOS
#elif ANDROID
  return android_location_getsatviewed();
#elif BB10
#else
  return 0;
#endif
}

static int sat_fix(void){
#ifdef IOS
#elif ANDROID
  return android_location_getsatfixed();
#elif BB10
#else
  return 0;
#endif
}

static double longitude(void){
#ifdef IOS
   return ios_location_getlongitude();
#elif ANDROID
   return android_location_getlongitude();
#elif BB10
   return qnx_location_getlongitude();
#else
   return 0;
#endif
}

static double latitude(void){
#ifdef IOS
   return ios_location_getlatitude();
#elif ANDROID
   return android_location_getlatitude();
#elif BB10
   return qnx_location_getlatitude();
#else
   return 0;
#endif
}

static double altitude(void){
#ifdef IOS
   return ios_location_getaltitude();
#elif ANDROID
   return android_location_getaltitude();
#elif BB10
   return qnx_location_getaltitude();
#else
   return 0;
#endif
}

static double accuracy(void){
#ifdef IOS
   return ios_location_getaccuracy();
#elif ANDROID
   return android_location_getaccuracy();
#elif BB10
   return qnx_location_getaccuracy();
#else
   return 0;
#endif
}

static double timestamp(void){
#ifdef IOS
   return ios_location_gettimestamp();
#elif ANDROID
   return android_location_gettimestamp();
#elif BB10
   return qnx_location_getaccuracy();
#else
   return 0;
#endif
}

int location_service_status(){
#ifdef IOS
#elif ANDROID
  return android_location_service();
#elif BB10
#else
  return -1;
#endif
}

end-of-c-declare
)

(define gps-enable (c-lambda () void "enable_gps"))
(define gps-disable (c-lambda () void "disable_gps"))
(define gps-latitude (c-lambda () double "latitude"))
(define gps-longitude (c-lambda () double "longitude"))
(define gps-accuracy (c-lambda () double "accuracy"))
(define gps-altitude (c-lambda () double "altitude"))
(define gps-timestamp (c-lambda () double "timestamp"))
(define gps-location-service (c-lambda () int "location_service_status"))

(define gps-sat-in-view (c-lambda () int "sat_view"))
(define gps-sat-in-fix (c-lambda () int "sat_fix"))
;; eof