store config in eeprom

Config.cpp

@@ -0,0 +1,70 @@
+/*
+ * Config.cpp
+ *
+ *  Created on: 04.03.2014
+ *      Author: wn
+ */
+
+
+#include <EEPROM.h>
+#include "Config.h"
+
+
+float Config::getFloat(int pos) {
+  u_float u;
+  for (unsigned int i = 0; i < sizeof(float); i++) {
+    u.e[i] = EEPROM.read(pos + i);
+  }
+  return u.f;
+}
+
+void Config::setFloat(int pos, float value) {
+  u_float u;
+  u.f = value;
+  for (unsigned int i = 0; i < sizeof(float); i++) {
+    EEPROM.write(pos + i, u.e[i]);
+  }
+}
+
+unsigned int Config::getUInt(int pos) {
+  u_uint u;
+  for (unsigned int i = 0; i < sizeof(unsigned int); i++) {
+    u.e[i] = EEPROM.read(pos + i);
+  }
+  return u.i;
+}
+
+void Config::setUInt(int pos, unsigned int value) {
+  u_uint u;
+  u.i = value;
+  for (unsigned int i = 0; i < sizeof(unsigned int); i++) {
+    EEPROM.write(pos + i, u.e[i]);
+  }
+}
+
+unsigned long Config::getULong(int pos) {
+  u_ulong u;
+  for (unsigned int i = 0; i < sizeof(unsigned long); i++) {
+    u.e[i] = EEPROM.read(pos + i);
+  }
+  return u.l;
+}
+
+void Config::setULong(int pos, unsigned long value) {
+  u_ulong u;
+  u.l = value;
+  for (unsigned int i = 0; i < sizeof(unsigned long); i++) {
+    EEPROM.write(pos + i, u.e[i]);
+  }
+}
+
+bool Config::isInitialized() {
+  unsigned int magic = getUInt(MAGIC);
+  return magic == MAGIC_TOKEN;
+}
+
+void Config::setMagic() {
+  setUInt(MAGIC, MAGIC_TOKEN);
+}
+
+