From 098334a4dfdf6124711752a9b03319ed2d925e97 Mon Sep 17 00:00:00 2001
From: Arturo Guadalupi <a.guadalupi@arduino.cc>
Date: Fri, 23 Oct 2015 10:44:02 +0200
Subject: Gemma digitalPinToInterrupt support Added support for Arduino Gemma
 as required in #3929

---
 variants/gemma/pins_arduino.h | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'variants/gemma/pins_arduino.h')

diff --git a/variants/gemma/pins_arduino.h b/variants/gemma/pins_arduino.h
index 3150b6a..0af67c6 100644
--- a/variants/gemma/pins_arduino.h
+++ b/variants/gemma/pins_arduino.h
@@ -54,6 +54,8 @@ static const uint8_t A3 = 9;
 #define digitalPinToPCMSK(p)    ( ((p) <= 4) ? (&PCMSK) : ((uint8_t *)0) )
 #define digitalPinToPCMSKbit(p) ( (p) )
 
+#define digitalPinToInterrupt(p)  ((p) == 2 ? 0 : NOT_AN_INTERRUPT)
+
 #define analogPinToChannel(p)   ( (p) < 6 ? (p) : (p) - 6 )
 
 #define TCCR1A GTCCR
-- 
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