From 09b90e41f067b68638873c73cf3a6216cafeaf10 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniele=20Vigan=C3=B2?= <daniele@vigano.me>
Date: Tue, 2 Jun 2020 22:38:05 +0200
Subject: [PATCH] Add ino sketch to program EEPROM

---
 arduino/eeprom_prog/eeprom_prog.ino | 53 +++++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 arduino/eeprom_prog/eeprom_prog.ino

diff --git a/arduino/eeprom_prog/eeprom_prog.ino b/arduino/eeprom_prog/eeprom_prog.ino
new file mode 100644
index 0000000..2efacbf
--- /dev/null
+++ b/arduino/eeprom_prog/eeprom_prog.ino
@@ -0,0 +1,53 @@
+#include <EEPROM.h>
+#include <Ethernet.h>
+
+#define ERASE_FIRST 0
+
+const byte mac[] = {
+  0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };
+const char serial[] = "abcd1234";
+
+struct netConfig {
+  IPAddress address;
+  int port;
+};
+
+netConfig config = {
+  {192, 168, 10, 123},
+  8000
+};
+
+void setup() {
+
+  Serial.begin(9600);
+  while (!Serial) {
+    ; // wait for serial port to connect. Needed for native USB port only
+  }
+
+  #if ERASE_FIRST
+  // initialize the LED pin as an output.
+  pinMode(13, OUTPUT);
+  // turn the LED on while erasing
+  digitalWrite(13, HIGH);
+  for (int i = 0 ; i < EEPROM.length() ; i++) {
+    EEPROM.write(i, 0);
+  }
+  // turn the LED on when we're done 
+  digitalWrite(13, LOW);
+  #endif
+  
+  int eeAddress = 0;   //Location we want the data to be put.
+
+  //One simple call, with the address first and the object second.
+  EEPROM.put(eeAddress, mac);
+  eeAddress += sizeof(mac);
+  EEPROM.put(eeAddress, serial);
+  eeAddress += sizeof(serial);
+  
+  EEPROM.put(eeAddress, config);
+  Serial.println("Data written!");
+}
+
+void loop() {
+  /* Empty loop */
+}