Merge branch 'master' of https://github.com/vitotai/BrewPiLess

vitotai · Jul 10, 2019 · 413f736 · 413f736
2 parents 6436127 + 61f566e
commit 413f736
Showing 1 changed file with 2 additions and 3 deletions.
diff --git a/src/SpiLcd.h b/src/SpiLcd.h
@@ -79,10 +79,9 @@
 #define LCD_SHIFT_DATA_MASK 0xF0 // Data bits, QE = D4, QF = D5, QG = D6, QH = D7
 
 // Backlight is switched with a P-channel MOSFET, so signal is inverted.
-#ifdef BACKLIGHT_AUTO_OFF_PERIOD
-#undef BACKLIGHT_AUTO_OFF_PERIOD
-#endif
+#ifndef BACKLIGHT_AUTO_OFF_PERIOD
 #define BACKLIGHT_AUTO_OFF_PERIOD 600
+#endif
 
 class SpiLcd : public Print {
 	public: