From 5f4a12736ce3eeec53e1f3168ef494387377154b Mon Sep 17 00:00:00 2001
From: Josh Stewart <josh@noisymime.org>
Date: Wed, 6 May 2015 16:13:21 +1000
Subject: [PATCH] Add check in display code for pin mappings that use the i2c
 pins for other things

---
 display.ino | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/display.ino b/display.ino
index 600fba65..af198b77 100644
--- a/display.ino
+++ b/display.ino
@@ -7,6 +7,9 @@ Adafruit_SSD1306 display(pinDisplayReset);
 
 void initialiseDisplay()
 {
+  //Protection against older pin mappings where the crank/cam signals were on the SDA and SCL pins. This will cause the Arduino to lock hard if you try to initialise i2c devices when a crank signal is coming in
+  if(pinTrigger == 20 || pinTrigger == 21 || pinTrigger2 == 20 || pinTrigger2 == 21) { return; }
+  
    switch(configPage1.displayType)
    {
      case 1: