From bf38241afe1ab4ec46bb8ff78e2dbae9e18c8f05 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gu=C3=B0ni=20M=C3=A1r=20Gilbert?= <gudni.m.g@gmail.com>
Date: Mon, 18 Apr 2022 17:07:34 +0000
Subject: [PATCH] Make M117 message persistent when using G4 command

This is also supported in Marlin 2 FW

Fixes #1443
Fixes #2970
---
 Firmware/Marlin_main.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/Firmware/Marlin_main.cpp b/Firmware/Marlin_main.cpp
index caea1caca..94a05b6e2 100755
--- a/Firmware/Marlin_main.cpp
+++ b/Firmware/Marlin_main.cpp
@@ -4939,7 +4939,13 @@ if(eSoundMode!=e_SOUND_MODE_SILENT)
       codenum = 0;
       if(code_seen('P')) codenum = code_value(); // milliseconds to wait
       if(code_seen('S')) codenum = code_value() * 1000; // seconds to wait
-	  if(codenum != 0) LCD_MESSAGERPGM(_n("Sleep..."));////MSG_DWELL
+      if(codenum != 0)
+      {
+        if(custom_message_type != CustomMsg::M117)
+        {
+          LCD_MESSAGERPGM(_n("Sleep..."));////MSG_DWELL
+        }
+      }
       st_synchronize();
       codenum += _millis();  // keep track of when we started waiting
       previous_millis_cmd.start();