Spend some SRAM to optimize bilinear leveling

2017-04-21 01:34:03 -05:00
parent 091179d960
commit 830851df13
2 changed files with 69 additions and 32 deletions
--- a/Marlin/Marlin.h
+++ b/Marlin/Marlin.h
@ -313,8 +313,9 @@ float code_value_temp_diff();

 #if ENABLED(AUTO_BED_LEVELING_BILINEAR)
  extern int bilinear_grid_spacing[2], bilinear_start[2];
-  extern float z_values[GRID_MAX_POINTS_X][GRID_MAX_POINTS_Y];
-  float bilinear_z_offset(float logical[XYZ]);
+  extern float bilinear_grid_factor[2],
+               z_values[GRID_MAX_POINTS_X][GRID_MAX_POINTS_Y];
+  float bilinear_z_offset(const float logical[XYZ]);
  void set_bed_leveling_enabled(bool enable=true);
 #endif