From 51dd2204dc2215c51346facabe321d72ad461e21 Mon Sep 17 00:00:00 2001
From: Maor Kleinberger <kmaork@gmail.com>
Date: Tue, 24 Aug 2021 17:22:02 +0300
Subject: [PATCH] Use `digitalPinToInterrupt(wakeUpPin)` instead of hardcoded
 interrupt no.

---
 .../powerDownWakeExternalInterrupt.ino                        | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Examples/powerDownWakeExternalInterrupt/powerDownWakeExternalInterrupt.ino b/Examples/powerDownWakeExternalInterrupt/powerDownWakeExternalInterrupt.ino
index f914bd6..1db96e8 100644
--- a/Examples/powerDownWakeExternalInterrupt/powerDownWakeExternalInterrupt.ino
+++ b/Examples/powerDownWakeExternalInterrupt/powerDownWakeExternalInterrupt.ino
@@ -19,14 +19,14 @@ void setup()
 void loop() 
 {
     // Allow wake up pin to trigger interrupt on low.
-    attachInterrupt(0, wakeUp, LOW);
+    attachInterrupt(digitalPinToInterrupt(wakeUpPin), wakeUp, LOW);
     
     // Enter power down state with ADC and BOD module disabled.
     // Wake up when wake up pin is low.
     LowPower.powerDown(SLEEP_FOREVER, ADC_OFF, BOD_OFF); 
     
     // Disable external pin interrupt on wake up pin.
-    detachInterrupt(0); 
+    detachInterrupt(digitalPinToInterrupt(wakeUpPin)); 
     
     // Do something here
     // Example: Read sensor, data logging, data transmission.