rename file due to spell checker

examples/Tools/FirmwareUpdater/Endianness.ino

@@ -0,0 +1,60 @@
+/*
+  Endianess.ino - Network byte order conversion functions.
+  Copyright (c) 2015 Arduino LLC.  All right reserved.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+bool isBigEndian() {
+  uint32_t test = 0x11223344;
+  uint8_t *pTest = reinterpret_cast<uint8_t *>(&test);
+  return pTest[0] == 0x11;
+}
+
+uint32_t fromNetwork32(uint32_t from) {
+  static const bool be = isBigEndian();
+  if (be) {
+    return from;
+  } else {
+    uint8_t *pFrom = reinterpret_cast<uint8_t *>(&from);
+    uint32_t to;
+    to = pFrom[0]; to <<= 8;
+    to |= pFrom[1]; to <<= 8;
+    to |= pFrom[2]; to <<= 8;
+    to |= pFrom[3];
+    return to;
+  }
+}
+
+uint16_t fromNetwork16(uint16_t from) {
+  static bool be = isBigEndian();
+  if (be) {
+    return from;
+  } else {
+    uint8_t *pFrom = reinterpret_cast<uint8_t *>(&from);
+    uint16_t to;
+    to = pFrom[0]; to <<= 8;
+    to |= pFrom[1];
+    return to;
+  }
+}
+
+uint32_t toNetwork32(uint32_t to) {
+  return fromNetwork32(to);
+}
+
+uint16_t toNetwork16(uint16_t to) {
+  return fromNetwork16(to);
+}