From 07ef56e3cbd6ffc9b083e84777d2ec4186514202 Mon Sep 17 00:00:00 2001
From: Cristian Maglie <c.maglie@bug.st>
Date: Mon, 30 Jun 2014 18:24:08 +0200
Subject: Backported digitalPinToInterrupt macro from IDE 1.5.x

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

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

diff --git a/variants/standard/pins_arduino.h b/variants/standard/pins_arduino.h
index 2e24e19..3d4a9f6 100644
--- a/variants/standard/pins_arduino.h
+++ b/variants/standard/pins_arduino.h
@@ -60,6 +60,8 @@ static const uint8_t A7 = 21;
 #define digitalPinToPCMSK(p)    (((p) <= 7) ? (&PCMSK2) : (((p) <= 13) ? (&PCMSK0) : (((p) <= 21) ? (&PCMSK1) : ((uint8_t *)0))))
 #define digitalPinToPCMSKbit(p) (((p) <= 7) ? (p) : (((p) <= 13) ? ((p) - 8) : ((p) - 14)))
 
+#define digitalPinToInterrupt(p)  ((p) == 2 ? 0 : ((p) == 3 ? 1 : NOT_AN_INTERRUPT))
+
 #ifdef ARDUINO_MAIN
 
 // On the Arduino board, digital pins are also used
-- 
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