From 98f83dc756f896233539d6df0a310bcdd7c1b2ba Mon Sep 17 00:00:00 2001
From: Scott Lahteine <github@thinkyhead.com>
Date: Tue, 26 Nov 2019 17:58:31 -0600
Subject: [PATCH] Add comments to G29
---
Marlin/src/gcode/bedlevel/abl/G29.cpp | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/Marlin/src/gcode/bedlevel/abl/G29.cpp b/Marlin/src/gcode/bedlevel/abl/G29.cpp
index 4f122a256b..6aa85b00dc 100644
--- a/Marlin/src/gcode/bedlevel/abl/G29.cpp
+++ b/Marlin/src/gcode/bedlevel/abl/G29.cpp
@@ -674,15 +674,15 @@ G29_TYPE GcodeSuite::G29() {
int8_t inStart, inStop, inInc;
- if (zig) { // away from origin
- inStart = 0;
- inStop = PR_INNER_END;
- inInc = 1;
+ if (zig) { // Zig away from origin
+ inStart = 0; // Left or front
+ inStop = PR_INNER_END; // Right or back
+ inInc = 1; // Zig right
}
- else { // towards origin
- inStart = PR_INNER_END - 1;
- inStop = -1;
- inInc = -1;
+ else { // Zag towards origin
+ inStart = PR_INNER_END - 1; // Right or back
+ inStop = -1; // Left or front
+ inInc = -1; // Zag left
}
zig ^= true; // zag