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Merge pull request #4003 from jbrazio/bugfix/3999 

Closes #3999: Compilation error with BEEPER_PIN -1
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Scott Lahteine 9 years ago
committed by GitHub
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1 changed files with 0 additions and 2 deletions
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  1. 2
      Marlin/ultralcd.h

2
Marlin/ultralcd.h
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@ -27,8 +27,6 @@
#if ENABLED(ULTRA_LCD) #if ENABLED(ULTRA_LCD)
#include "buzzer.h"
#define BUTTON_EXISTS(BN) (defined(BTN_## BN) && BTN_## BN >= 0) #define BUTTON_EXISTS(BN) (defined(BTN_## BN) && BTN_## BN >= 0)
#define BUTTON_PRESSED(BN) !READ(BTN_## BN) #define BUTTON_PRESSED(BN) !READ(BTN_## BN)

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