[paparazzi-commits] [4160] alt change threshold

[Gautier Hattenberger]

Revision: 4160
          http://svn.sv.gnu.org/viewvc/?view=rev&root=paparazzi&revision=4160
Author:   gautier
Date:     2009-09-12 14:26:09 +0000 (Sat, 12 Sep 2009)
Log Message:
-----------
alt change threshold

Modified Paths:
--------------
    paparazzi3/trunk/sw/airborne/booz/booz2_navigation.c

Modified: paparazzi3/trunk/sw/airborne/booz/booz2_navigation.c
===================================================================
--- paparazzi3/trunk/sw/airborne/booz/booz2_navigation.c        2009-09-12 
13:46:50 UTC (rev 4159)
+++ paparazzi3/trunk/sw/airborne/booz/booz2_navigation.c        2009-09-12 
14:26:09 UTC (rev 4160)
@@ -229,7 +229,7 @@
 
 static inline void nav_set_altitude( void ) {
   static int32_t last_nav_alt = 0;
-  if (nav_altitude != last_nav_alt) {
+  if (abs(nav_altitude - last_nav_alt) < (POS_BFP_OF_REAL(0.5))) {
     nav_flight_altitude = nav_altitude;
     last_nav_alt = nav_altitude;
   }