From 9223261ea93fc7dcb525325778ff302e611d1ea5 Mon Sep 17 00:00:00 2001
From: Scott Lahteine <github@thinkyhead.com>
Date: Thu, 29 Aug 2019 17:50:16 -0500
Subject: [PATCH] Only define _BV in Marduino.h

---
 Marlin/src/core/macros.h  | 2 --
 Marlin/src/core/utility.h | 1 +
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/Marlin/src/core/macros.h b/Marlin/src/core/macros.h
index ce72247c5d..68943afed5 100644
--- a/Marlin/src/core/macros.h
+++ b/Marlin/src/core/macros.h
@@ -61,8 +61,6 @@
 #define L(CODE) CODE ":\n\t"
 
 // Macros for bit masks
-#undef _BV
-#define _BV(n) (1<<(n))
 #define TEST(n,b) !!((n)&_BV(b))
 #define SET_BIT_TO(N,B,TF) do{ if (TF) SBI(N,B); else CBI(N,B); }while(0)
 
diff --git a/Marlin/src/core/utility.h b/Marlin/src/core/utility.h
index 63597fd413..c8614925eb 100644
--- a/Marlin/src/core/utility.h
+++ b/Marlin/src/core/utility.h
@@ -22,6 +22,7 @@
 #pragma once
 
 #include "../inc/MarlinConfigPre.h"
+#include "../HAL/shared/Marduino.h"
 
 constexpr char axis_codes[XYZE] = { 'X', 'Y', 'Z', 'E' };