geo: add functions to get global projection/transformation reference values

1 files changed, 10 insertions, 0 deletions

diff --git a/src/lib/geo/geo.h b/src/lib/geo/geo.h
index 98dfbd14b..4bc3cc17c 100644
--- a/src/lib/geo/geo.h
+++ b/src/lib/geo/geo.h
@@ -196,6 +196,11 @@ __EXPORT int map_projection_global_reproject(float x, float y, double *lat, doub
 __EXPORT int map_projection_reproject(const struct map_projection_reference_s *ref, float x, float y, double *lat, double *lon);
 
 /**
+ * Get reference position of the global map projection
+ */
+__EXPORT int map_projection_global_getref(double *lat_0, double *lon_0);
+
+/**
  * Initialize the global mapping between global position (spherical) and local position (NED).
  */
 __EXPORT int globallocalconverter_init(double lat_0, double lon_0, float alt_0, uint64_t timestamp);
@@ -217,6 +222,11 @@ __EXPORT int globallocalconverter_tolocal(double lat, double lon, float alt, flo
 __EXPORT int globallocalconverter_toglobal(float x, float y, float z,  double *lat, double *lon, float *alt);
 
 /**
+ * Get reference position of the global to local converter
+ */
+__EXPORT int globallocalconverter_getref(double *lat_0, double *lon_0, float *alt_0);
+
+/**
  * Returns the distance to the next waypoint in meters.
  *
  * @param lat_now current position in degrees (47.1234567°, not 471234567°)