From da2a6f9a312dd7cae3fb450784630a6051d7bbdf Mon Sep 17 00:00:00 2001
From: Francesco Santini <francesco.santini@gmail.com>
Date: Fri, 13 Dec 2013 10:31:19 +0100
Subject: [PATCH] Accurate bed leveling: x loop inside y and zigzag motion
---
Marlin/Marlin_main.cpp | 21 +++++++++++++++++++--
1 file changed, 19 insertions(+), 2 deletions(-)
diff --git a/Marlin/Marlin_main.cpp b/Marlin/Marlin_main.cpp
index daeb65ffa6b..e37c3e1de76 100644
--- a/Marlin/Marlin_main.cpp
+++ b/Marlin/Marlin_main.cpp
@@ -1368,10 +1368,26 @@ void process_commands()
int probePointCounter = 0;
+ bool zig = true;
- for (int xProbe=LEFT_PROBE_BED_POSITION; xProbe <= RIGHT_PROBE_BED_POSITION; xProbe += xGridSpacing)
+ for (int yProbe=FRONT_PROBE_BED_POSITION; yProbe <= BACK_PROBE_BED_POSITION; yProbe += yGridSpacing)
{
- for (int yProbe=FRONT_PROBE_BED_POSITION; yProbe <= BACK_PROBE_BED_POSITION; yProbe += yGridSpacing)
+ int xProbe, xInc;
+ if (zig)
+ {
+ xProbe = LEFT_PROBE_BED_POSITION;
+ //xEnd = RIGHT_PROBE_BED_POSITION;
+ xInc = xGridSpacing;
+ zig = false;
+ } else // zag
+ {
+ xProbe = RIGHT_PROBE_BED_POSITION;
+ //xEnd = LEFT_PROBE_BED_POSITION;
+ xInc = -xGridSpacing;
+ zig = true;
+ }
+
+ for (int xCount=0; xCount < ACCURATE_BED_LEVELING_POINTS; xCount++)
{
if (probePointCounter == 0)
{
@@ -1403,6 +1419,7 @@ void process_commands()
eqnAMatrix[probePointCounter + 1*ACCURATE_BED_LEVELING_POINTS*ACCURATE_BED_LEVELING_POINTS] = yProbe;
eqnAMatrix[probePointCounter + 2*ACCURATE_BED_LEVELING_POINTS*ACCURATE_BED_LEVELING_POINTS] = 1;
probePointCounter++;
+ xProbe += xInc;
}
}
clean_up_after_endstop_move();