Did some changes in header include structure, because the library was not compiling successfully after extracting code to SBDevice.cpp.

src/SBDevice.cpp

@@ -0,0 +1,32 @@
+#include "SBDevice.h"
+
+SBMasterStorage SBMasterStorage::initialize() {
+	SBMasterStorage storage;
+#if defined(ESP8266)
+	EEPROM.begin(SB_NETWORK_FLASH_SIZE);
+#endif
+	EEPROM.get(0 + sizeof(SBNetworkDevice), storage);
+	if (storage.ID[0] != 'M' || storage.ID[1] != 'S') {
+		// We have to create a new one
+		storage.ID[0] = 'M';
+		storage.ID[1] = 'S';
+		Serial.println("Creating new Master Storage");
+		EEPROM.put(0 + sizeof(SBNetworkDevice), storage);
+#if defined(ESP8266)
+		EEPROM.commit();
+		EEPROM.end();
+#endif
+	}
+	return storage;
+}
+
+void SBMasterStorage::save() {
+#if defined(ESP8266)
+	EEPROM.begin(SB_NETWORK_FLASH_SIZE);
+#endif
+	EEPROM.put(sizeof(SBNetworkDevice), *this);
+#if defined(ESP8266)
+	EEPROM.commit();
+	EEPROM.end();
+#endif
+}

src/SBDevice.h

@@ -1,6 +1,8 @@
 #ifndef _SB_NETWORK_DEVCIE_
 #define _SB_NETWORK_DEVCIE_
 
+#include "SBNetwork_config.h"
+#include "SBTypes.h"
 #include <EEPROM.h>
 
 class SBNetworkDevice {

src/SBNetwork.h

@@ -8,8 +8,6 @@
 #include <RF24.h>
 #include <nRF24L01.h>
 
-#include "SBTypes.h"
-#include "SBNetwork_config.h"
 #include "SBDevice.h"
 
 #define BROADCAST_MAC (SBMacAddress(0x9E, 0x0E, 0x9E, 0x0E, 0x9E))