From ffcf1d43d9f89191ba802746f2005c3c7289f6be Mon Sep 17 00:00:00 2001
From: ellensp <530024+ellensp@users.noreply.github.com>
Date: Sat, 26 Mar 2022 14:03:43 +1300
Subject: [PATCH] =?UTF-8?q?=F0=9F=90=9B=20Fix=20MMU2=20buzz=20(#23943)?=
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Followup to 89a9c3a391
---
 Marlin/src/feature/mmu/mmu2.cpp | 25 ++++++++++++++-----------
 1 file changed, 14 insertions(+), 11 deletions(-)

diff --git a/Marlin/src/feature/mmu/mmu2.cpp b/Marlin/src/feature/mmu/mmu2.cpp
index 7a7e27f287958..a469c988c9cf0 100644
--- a/Marlin/src/feature/mmu/mmu2.cpp
+++ b/Marlin/src/feature/mmu/mmu2.cpp
@@ -143,7 +143,10 @@ uint8_t MMU2::get_current_tool() {
   #define FILAMENT_PRESENT() (READ(FIL_RUNOUT1_PIN) != FIL_RUNOUT1_STATE)
 #endif
 
-inline void ATTN_BUZZ(const bool two=false) { BUZZ(200, 404); if (two) { BUZZ(10, 0); BUZZ(200, 404); } }
+void mmu2_attn_buzz(const bool two=false) {
+  BUZZ(200, 404);
+  if (two) { BUZZ(10, 0); BUZZ(200, 404); }
+}
 
 void MMU2::mmu_loop() {
 
@@ -819,7 +822,7 @@ void MMU2::manage_response(const bool move_axes, const bool turn_off_nozzle) {
       }
 
       LCD_MESSAGE(MSG_MMU2_RESUMING);
-      ATTN_BUZZ(true);
+      mmu2_attn_buzz(true);
 
       #pragma GCC diagnostic push
       #pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
@@ -901,7 +904,7 @@ void MMU2::load_filament(const uint8_t index) {
 
   command(MMU_CMD_L0 + index);
   manage_response(false, false);
-  ATTN_BUZZ();
+  mmu2_attn_buzz();
 }
 
 /**
@@ -912,7 +915,7 @@ bool MMU2::load_filament_to_nozzle(const uint8_t index) {
   if (!_enabled) return false;
 
   if (thermalManager.tooColdToExtrude(active_extruder)) {
-    ATTN_BUZZ();
+    mmu2_attn_buzz();
     LCD_ALERTMESSAGE(MSG_HOTEND_TOO_COLD);
     return false;
   }
@@ -927,7 +930,7 @@ bool MMU2::load_filament_to_nozzle(const uint8_t index) {
     extruder = index;
     active_extruder = 0;
     load_to_nozzle();
-    ATTN_BUZZ();
+    mmu2_attn_buzz();
   }
   return success;
 }
@@ -948,7 +951,7 @@ bool MMU2::eject_filament(const uint8_t index, const bool recover) {
   if (!_enabled) return false;
 
   if (thermalManager.tooColdToExtrude(active_extruder)) {
-    ATTN_BUZZ();
+    mmu2_attn_buzz();
     LCD_ALERTMESSAGE(MSG_HOTEND_TOO_COLD);
     return false;
   }
@@ -964,11 +967,11 @@ bool MMU2::eject_filament(const uint8_t index, const bool recover) {
 
   if (recover)  {
     LCD_MESSAGE(MSG_MMU2_EJECT_RECOVER);
-    ATTN_BUZZ();
+    mmu2_attn_buzz();
     TERN_(HOST_PROMPT_SUPPORT, hostui.prompt_do(PROMPT_USER_CONTINUE, F("MMU2 Eject Recover"), FPSTR(CONTINUE_STR)));
     TERN_(EXTENSIBLE_UI, ExtUI::onUserConfirmRequired(F("MMU2 Eject Recover")));
     TERN_(HAS_RESUME_CONTINUE, wait_for_user_response());
-    ATTN_BUZZ(true);
+    mmu2_attn_buzz(true);
 
     command(MMU_CMD_R0);
     manage_response(false, false);
@@ -981,7 +984,7 @@ bool MMU2::eject_filament(const uint8_t index, const bool recover) {
 
   set_runout_valid(false);
 
-  ATTN_BUZZ();
+  mmu2_attn_buzz();
 
   stepper.disable_extruder();
 
@@ -996,7 +999,7 @@ bool MMU2::unload() {
   if (!_enabled) return false;
 
   if (thermalManager.tooColdToExtrude(active_extruder)) {
-    ATTN_BUZZ();
+    mmu2_attn_buzz();
     LCD_ALERTMESSAGE(MSG_HOTEND_TOO_COLD);
     return false;
   }
@@ -1007,7 +1010,7 @@ bool MMU2::unload() {
   command(MMU_CMD_U0);
   manage_response(false, true);
 
-  ATTN_BUZZ();
+  mmu2_attn_buzz();
 
   // no active tool
   extruder = MMU2_NO_TOOL;