From 59c5b94c51d726ea656471bc232333ebd200eb19 Mon Sep 17 00:00:00 2001 From: Kristian Sloth Lauszus Date: Thu, 18 Apr 2013 00:15:06 +0200 Subject: [PATCH] Check if ATmega32u4 is defined Needed in order to work with Arduino Leonardo --- hardware/arduino/cores/arduino/wiring_analog.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/hardware/arduino/cores/arduino/wiring_analog.c b/hardware/arduino/cores/arduino/wiring_analog.c index 81fb1e11e..a6b63e3e2 100644 --- a/hardware/arduino/cores/arduino/wiring_analog.c +++ b/hardware/arduino/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