From f5fc08617787574c5d98e301e033fa53711e98da Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?John=20St=C3=A4ck?= <stack@spotify.com>
Date: Mon, 24 Jun 2019 16:01:27 +0200
Subject: [PATCH] Only write to file if value has actually changed.

---
 simulation/src/simeeprom.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/simulation/src/simeeprom.cpp b/simulation/src/simeeprom.cpp
index 5c960ec..c3fb3c5 100644
--- a/simulation/src/simeeprom.cpp
+++ b/simulation/src/simeeprom.cpp
@@ -23,6 +23,13 @@ uint8_t EEPROMClass::read( int idx )
 void  EEPROMClass::write( int idx, uint8_t val )
 {
     printf("Writing to EEPROM address %u = %u\n", idx, val);
+
+    if(val == someFakeEEPROM_memory[idx])
+    {
+        //Value unchanged, do nothing.
+        return;
+    }
+
     someFakeEEPROM_memory[idx] = val;
 
     if(autoUpdate && storage)