From 1f849e2336d1209e91a1f572442bbe5893a7ebda Mon Sep 17 00:00:00 2001
From: Th3maz1ng <re.hertz@laposte.net>
Date: Sat, 24 Aug 2019 20:46:55 +0200
Subject: [PATCH] Added the RX gpio pin as input with internal pull up since
 the signal it is sensing is in open drain config

---
 src/app/IOManager.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/app/IOManager.cpp b/src/app/IOManager.cpp
index 5226158..99a023a 100644
--- a/src/app/IOManager.cpp
+++ b/src/app/IOManager.cpp
@@ -11,6 +11,6 @@ PCF8574 &IOManager::getPcf()
 
 void IOManager::setISROnIOChange(void (*isrFunc)(), Pin pin)
 {
-  pinMode(pin, INPUT);
+  pinMode(pin, INPUT_PULLUP);
   attachInterrupt(digitalPinToInterrupt(pin), isrFunc, FALLING);
 }