From 09f1d85e9c47fbd73d37639d45c543554850c7cd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gu=C3=B0ni=20M=C3=A1r=20Gilbert?= <gudni.m.g@gmail.com>
Date: Thu, 28 Mar 2024 23:36:23 +0000
Subject: [PATCH] MMU: Revert changes to execute_extruder_sequence loop

The previous for-loop is more memory efficient and saves 20 bytes of Flash
---
 Firmware/mmu2.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Firmware/mmu2.cpp b/Firmware/mmu2.cpp
index 1622fcf0f..c2203cdf9 100644
--- a/Firmware/mmu2.cpp
+++ b/Firmware/mmu2.cpp
@@ -948,8 +948,10 @@ void MMU2::execute_extruder_sequence(const E_Step *sequence, uint8_t stepCount)
     planner_synchronize();
 
     // Plan the moves
-    for (const E_Step *step = sequence, *end = sequence + stepCount; step != end; step++) {
+    const E_Step *step = sequence;
+    for (uint8_t i = stepCount; i > 0; --i) {
         extruder_move(pgm_read_float(&(step->extrude)), pgm_read_float(&(step->feedRate)));
+        step++;
     }
 
     // Wait for the moves to finish