From 2bbb68be8a42cc0c523a7a20c422a533b8494710 Mon Sep 17 00:00:00 2001
From: Alex Borro <alexborro@gmail.com>
Date: Fri, 9 Jan 2015 10:17:22 -0200
Subject: [PATCH] Fix calculation of BAL grid fitting into the bed
The previous calc was wrong. Between N points there are only N-1 gaps,
not N.
So changing AUTO_BED_LEVELING_GRID_POINTS to
(AUTO_BED_LEVELING_GRID_POINTS-1)
---
Marlin/Configuration.h | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/Marlin/Configuration.h b/Marlin/Configuration.h
index aacd69295e..9b77f96f4f 100644
--- a/Marlin/Configuration.h
+++ b/Marlin/Configuration.h
@@ -435,20 +435,20 @@ const bool Z_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of
#ifdef AUTO_BED_LEVELING_GRID // Check if Probe_Offset * Grid Points is greater than Probing Range
#if X_PROBE_OFFSET_FROM_EXTRUDER < 0
- #if (-(X_PROBE_OFFSET_FROM_EXTRUDER * AUTO_BED_LEVELING_GRID_POINTS) >= (RIGHT_PROBE_BED_POSITION - LEFT_PROBE_BED_POSITION))
+ #if (-(X_PROBE_OFFSET_FROM_EXTRUDER * (AUTO_BED_LEVELING_GRID_POINTS-1)) >= (RIGHT_PROBE_BED_POSITION - LEFT_PROBE_BED_POSITION))
#error "The X axis probing range is not enough to fit all the points defined in AUTO_BED_LEVELING_GRID_POINTS"
#endif
#else
- #if ((X_PROBE_OFFSET_FROM_EXTRUDER * AUTO_BED_LEVELING_GRID_POINTS) >= (RIGHT_PROBE_BED_POSITION - LEFT_PROBE_BED_POSITION))
+ #if ((X_PROBE_OFFSET_FROM_EXTRUDER * (AUTO_BED_LEVELING_GRID_POINTS-1)) >= (RIGHT_PROBE_BED_POSITION - LEFT_PROBE_BED_POSITION))
#error "The X axis probing range is not enough to fit all the points defined in AUTO_BED_LEVELING_GRID_POINTS"
#endif
#endif
#if Y_PROBE_OFFSET_FROM_EXTRUDER < 0
- #if (-(Y_PROBE_OFFSET_FROM_EXTRUDER * AUTO_BED_LEVELING_GRID_POINTS) >= (BACK_PROBE_BED_POSITION - FRONT_PROBE_BED_POSITION))
+ #if (-(Y_PROBE_OFFSET_FROM_EXTRUDER * (AUTO_BED_LEVELING_GRID_POINTS-1)) >= (BACK_PROBE_BED_POSITION - FRONT_PROBE_BED_POSITION))
#error "The Y axis probing range is not enough to fit all the points defined in AUTO_BED_LEVELING_GRID_POINTS"
#endif
#else
- #if ((Y_PROBE_OFFSET_FROM_EXTRUDER * AUTO_BED_LEVELING_GRID_POINTS) >= (BACK_PROBE_BED_POSITION - FRONT_PROBE_BED_POSITION))
+ #if ((Y_PROBE_OFFSET_FROM_EXTRUDER * (AUTO_BED_LEVELING_GRID_POINTS-1)) >= (BACK_PROBE_BED_POSITION - FRONT_PROBE_BED_POSITION))
#error "The Y axis probing range is not enough to fit all the points defined in AUTO_BED_LEVELING_GRID_POINTS"
#endif
#endif
--
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