From 09469add5560ca8a676c42e4bcd499868c33f0dd Mon Sep 17 00:00:00 2001
From: Phil Hord <phord@phord.com>
Date: Mon, 20 Feb 2012 02:30:31 -0500
Subject: [PATCH] Add board reset reporting (from Repetier-Firmware)

---
 Marlin/Marlin.pde | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/Marlin/Marlin.pde b/Marlin/Marlin.pde
index 93c3a7185f..3d906cc0ac 100644
--- a/Marlin/Marlin.pde
+++ b/Marlin/Marlin.pde
@@ -252,6 +252,16 @@ void setup()
   MYSERIAL.begin(BAUDRATE);
   SERIAL_PROTOCOLLNPGM("start");
   SERIAL_ECHO_START;
+
+  // Check startup - does nothing if bootloader sets MCUSR to 0
+  byte mcu = MCUSR;
+  if(mcu & 1) SERIAL_ECHOLNPGM("PowerUp");
+  if(mcu & 2) SERIAL_ECHOLNPGM("External Reset");
+  if(mcu & 4) SERIAL_ECHOLNPGM("Brown out Reset");
+  if(mcu & 8) SERIAL_ECHOLNPGM("Watchdog Reset");
+  if(mcu & 32) SERIAL_ECHOLNPGM("Software Reset");
+  MCUSR=0;
+
   SERIAL_ECHOPGM("Marlin: ");
   SERIAL_ECHOLNPGM(VERSION_STRING);
   #ifdef STRING_VERSION_CONFIG_H