From 4342217159d8c3a4f02783936b8338550d084073 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gu=C3=B0ni=20M=C3=A1r=20Gilbert?= <gudni.m.g@gmail.com>
Date: Sun, 26 Mar 2023 08:54:47 +0000
Subject: [PATCH] Add comment about planner_aborted = false

---
 Firmware/mmu2_marlin1.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Firmware/mmu2_marlin1.cpp b/Firmware/mmu2_marlin1.cpp
index c197d2b01..58ce99171 100644
--- a/Firmware/mmu2_marlin1.cpp
+++ b/Firmware/mmu2_marlin1.cpp
@@ -20,6 +20,12 @@ float MoveRaiseZ(float delta) {
 
 void planner_abort_queued_moves() {
     planner_abort_hard();
+
+    // Unblock the planner. This should be safe in the
+    // toolchange context. Currently we are mainly aborting
+    // excess E-moves after detecting filament during toolchange.
+    // If a MMU error is reported, the planner must be unblocked
+    // as well so the extruder can be parked safely.
     planner_aborted = false;
 }