From a79267217b2840edc367660c3dd10fb046770996 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jo=C3=A3o=20Br=C3=A1zio?= <jbrazio@gmail.com>
Date: Sat, 14 May 2016 22:02:30 +0100
Subject: [PATCH] M78 now allows stats reset using the S78 argument

---
 Marlin/Marlin_main.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Marlin/Marlin_main.cpp b/Marlin/Marlin_main.cpp
index 7fede1bba..ab84d5be6 100644
--- a/Marlin/Marlin_main.cpp
+++ b/Marlin/Marlin_main.cpp
@@ -4271,7 +4271,10 @@ inline void gcode_M77() {
    * M78: Show print statistics
    */
   inline void gcode_M78() {
-    print_job_timer.showStats();
+    // "M78 S78" will reset the statistics
+    if (code_seen('S') && code_value_short() == 78)
+      print_job_timer.initStats();
+    else print_job_timer.showStats();
   }
 #endif