From 5ed1e7a464561d4d54ad9c408a4f7ac0a345232a Mon Sep 17 00:00:00 2001
From: Scott Lahteine <sourcetree@thinkyhead.com>
Date: Thu, 14 Jul 2016 16:39:49 -0700
Subject: [PATCH] codenum => dwell_ms

---
 Marlin/Marlin_main.cpp | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/Marlin/Marlin_main.cpp b/Marlin/Marlin_main.cpp
index e7355292f8..8162d3ab1b 100644
--- a/Marlin/Marlin_main.cpp
+++ b/Marlin/Marlin_main.cpp
@@ -2728,18 +2728,18 @@ inline void gcode_G0_G1() {
  * G4: Dwell S<seconds> or P<milliseconds>
  */
 inline void gcode_G4() {
-  millis_t codenum = 0;
+  millis_t dwell_ms = 0;
 
-  if (code_seen('P')) codenum = code_value_millis(); // milliseconds to wait
-  if (code_seen('S')) codenum = code_value_millis_from_seconds(); // seconds to wait
+  if (code_seen('P')) dwell_ms = code_value_millis(); // milliseconds to wait
+  if (code_seen('S')) dwell_ms = code_value_millis_from_seconds(); // seconds to wait
 
   stepper.synchronize();
   refresh_cmd_timeout();
-  codenum += previous_cmd_ms;  // keep track of when we started waiting
+  dwell_ms += previous_cmd_ms;  // keep track of when we started waiting
 
   if (!lcd_hasstatus()) LCD_MESSAGEPGM(MSG_DWELL);
 
-  while (PENDING(millis(), codenum)) idle();
+  while (PENDING(millis(), dwell_ms)) idle();
 }
 
 #if ENABLED(BEZIER_CURVE_SUPPORT)
-- 
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