Check if ATmega32u4 is defined

Needed in order to work with Arduino Leonardo
arduino · Apr 17, 2013 · 0a7b402 · 0a7b402
1 parent 8d26462
commit 0a7b402
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/cores/arduino/wiring_analog.c b/cores/arduino/wiring_analog.c
@@ -42,6 +42,9 @@ int analogRead(uint8_t pin)
 	uint8_t low, high;
 
 #if defined(analogPinToChannel)
+#if defined(__AVR_ATmega32U4__)
+	if (pin >= 18) pin -= 18; // allow for channel or pin numbers
+#endif
 	pin = analogPinToChannel(pin);
 #elif defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
 	if (pin >= 54) pin -= 54; // allow for channel or pin numbers