Fixed shiftOut in MSBFIRST mode HIGH/LOW

4d074e8a · luca · 649f9782 · 4d074e8a
Commit 4d074e8a authored Apr 26, 2019 by luca
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cores/arduino/wiring_shift.c cores/arduino/wiring_shift.c +1 -1

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--- a/cores/arduino/wiring_shift.c
+++ b/cores/arduino/wiring_shift.c
@@ -46,7 +46,7 @@ void shiftOut(uint8_t dataPin, uint8_t clockPin, uint8_t bitOrder, uint8_t val)
 			digitalWrite(dataPin, val & 1);
 			val >>= 1;
 		} else {	
-			digitalWrite(dataPin, val & 128);
+			digitalWrite(dataPin, (val & 128) != 0);
 			val <<= 1;
 		}