diff --git a/build-flags/build_flags_esp32-wifi b/build-flags/build_flags_esp32-wifi
index bf5603d..103fbcf 100644
--- a/build-flags/build_flags_esp32-wifi
+++ b/build-flags/build_flags_esp32-wifi
@@ -9,8 +9,9 @@
 -DSYSLOG_ENABLE
 # - udp errors
 -DOTA
-#-DARDUINO_OTA_MDNS_DISABLE
-#-DMDNS_ENABLE - ArduinoMDNS didnt working
+-DARDUINO_OTA_MDNS_DISABLE
+#-DMDNS_ENABLE 
+#- ArduinoMDNS didnt working
 
 -DMCP23017
 -DMODBUS_TX_PIN=13
@@ -42,4 +43,6 @@
 #-DAUTOCONNECT_RECONNECT_WAITTIME=60
 
 -DFS_STORAGE
--DFS_PREPARE
\ No newline at end of file
+-DFS_PREPARE
+
+-D CORS=\"http://lazyhome.ru\"
diff --git a/lighthub/config.cpp b/lighthub/config.cpp
index db677ae..a6645a4 100644
--- a/lighthub/config.cpp
+++ b/lighthub/config.cpp
@@ -1,5 +1,14 @@
 #include "config.h"
 
+int systemConfig::openStream(char mode) 
+      {
+            #if defined(FS_STORAGE)
+            stream->open("/config.bin",mode);
+            #else
+            stream->open(FN_CONFIG_BIN,mode);
+            #endif
+            stream->setSize(SYSCONF_SIZE);
+        };
 
 bool             systemConfig::isValidSysConf()
 {    
@@ -34,7 +43,7 @@ bool             systemConfig::isValidSysConf()
   bool             systemConfig::setMAC(macAddress& _mac)
  {
    if (!stream || !isValidSysConf()) return false;    
-   openStream('w');
+   openStream('a');
    stream->seek(offsetof(systemConfigData,mac));
    stream->write ((const uint8_t *)&_mac,sizeof(_mac));
    memcpy(mac, _mac, sizeof(mac));
@@ -44,11 +53,15 @@ bool             systemConfig::isValidSysConf()
 
   char *             systemConfig::getMQTTpwd(char * buffer, uint16_t bufLen)
  {
-    if (!stream || !isValidSysConf()) return NULL; 
+    if (!stream || !isValidSysConf()) return NULL;
     openStream('r');
     stream->seek(offsetof(systemConfigData,MQTTpwd));   
     short bytes=stream->readBytesUntil(0,buffer,bufLen-1);
     stream->close(); 
+    Serial.println("valid");
+    Serial.println(offsetof(systemConfigData,MQTTpwd));
+    Serial.println(bytes);
+    Serial.write(buffer,bytes);
     if (bytes) 
             {
             buffer[bytes]=0;  
@@ -60,7 +73,7 @@ bool             systemConfig::isValidSysConf()
  bool             systemConfig::setMQTTpwd(char * pwd)
  {
     if (!stream || !isValidSysConf() || (strlen(pwd)>=sizeof(systemConfigData::MQTTpwd))) return false;
-    openStream('w'); 
+    openStream('r'); 
     stream->seek(offsetof(systemConfigData,MQTTpwd));   
     stream->print(pwd); 
     int bytes = stream->write((uint8_t)'\0');
@@ -87,7 +100,7 @@ bool             systemConfig::isValidSysConf()
  bool             systemConfig::setOTApwd(char * pwd)
  {
      if (!stream || !isValidSysConf() || (strlen(pwd)>=sizeof(systemConfigData::OTApwd))) return false; 
-    openStream('w'); 
+    openStream('r'); 
     stream->seek(offsetof(systemConfigData,OTApwd));   
     stream->print(pwd);   
     int bytes = stream->write((uint8_t)'\0');
@@ -114,7 +127,7 @@ bool             systemConfig::isValidSysConf()
  bool             systemConfig::setServer(char* url)
  {
   if (!stream || !isValidSysConf() || (strlen(url)>=sizeof(systemConfigData::configURL))) return false; 
-    openStream('w');
+    openStream('r');
     stream->seek(offsetof(systemConfigData,configURL));   
     stream->print(url);   
     int bytes = stream->write((uint8_t)'\0');
@@ -183,7 +196,7 @@ bool             systemConfig::isValidSysConf()
  bool             systemConfig::setMask(IPAddress& mask)
  {  uint32_t addr = mask;
   if (!stream || !isValidSysConf()) return false; 
-    openStream('w');
+    openStream('r');
     stream->seek(offsetof(systemConfigData,mask));   
     int bytes = stream->write((uint8_t *) &addr, 4);
     stream->close();  
@@ -193,7 +206,7 @@ bool             systemConfig::isValidSysConf()
  bool             systemConfig::setDNS(IPAddress& dns)
  {  uint32_t addr = dns;
   if (!stream || !isValidSysConf()) return false; 
-    openStream('w');
+    openStream('r');
     stream->seek(offsetof(systemConfigData,dns));   
     int bytes = stream->write((uint8_t *) &addr, 4);
     stream->close();  
@@ -204,7 +217,7 @@ bool             systemConfig::isValidSysConf()
  bool             systemConfig::setGW(IPAddress& gw)
  { uint32_t addr = gw;
   if (!stream || !isValidSysConf()) return false; 
-    openStream('w');
+    openStream('r');
     stream->seek(offsetof(systemConfigData,gw));   
     int bytes = stream->write((uint8_t *) &addr, 4);
     stream->close();  
diff --git a/lighthub/config.h b/lighthub/config.h
index d315aa9..e80997b 100644
--- a/lighthub/config.h
+++ b/lighthub/config.h
@@ -6,67 +6,14 @@
 #include <Arduino.h>
 #include "flashstream.h"
 #include <IPAddress.h>
-
-#define MAXFLASHSTR 32
-#define PWDFLASHSTR 16
-#define EEPROM_SIGNATURE "LHCF"
-#define EEPROM_SIGNATURE_LENGTH 4
-const char EEPROM_signature[] = EEPROM_SIGNATURE;
-
-#define SYSCONF_OFFSET 0
-
-#define EEPROM_offset_NotAlligned SYSCONF_OFFSET+sizeof(systemConfigData)
-#define SYSCONF_SIZE EEPROM_offsetJSON
-#define EEPROM_offsetJSON EEPROM_offset_NotAlligned + (4 -(EEPROM_offset_NotAlligned & 3))
-//#define EEPROM_offsetJSON IFLASH_PAGE_SIZE
-#define EEPROM_FIX_PART_LEN EEPROM_offsetJSON-SYSCONF_OFFSET
-
- typedef char flashstr[MAXFLASHSTR];
- typedef char flashpwd[PWDFLASHSTR];
- typedef uint8_t macAddress[6];
-
- #pragma pack(push, 1)
- typedef struct
-      { 
-        char    signature[4];  
-        macAddress  mac;  //6 bytes
-        union {
-                uint16_t configFlags;
-                struct
-                      { 
-                        uint8_t  serialDebugLevel:4; 
-                        uint8_t  syslogDebugLevel:4; 
-                        uint8_t  notGetConfigFromHTTP:1;
-                        uint8_t  saveToFlash:1;
-                      };
-              };  
-        uint32_t ip;
-        uint32_t dns;
-        uint32_t gw;
-        uint32_t mask;
-
-        flashstr configURL;
-        flashpwd MQTTpwd;
-        flashpwd OTApwd;
-
-        uint16_t sysConfigHash;
-        uint16_t JSONHash;
-            
-      } systemConfigData;
- #pragma (pop)     
+#include "systemconfigdata.h"
+    
 
 class systemConfig {
  private:
  flashStream * stream;
- int openStream(char mode = '\0') 
-      {
-            #if defined(FS_STORAGE)
-            stream->open("/config.bin",mode);
-            #else
-            stream->open(EEPROM_offsetJSON,mode);
-            #endif
-        };
-
+ int openStream(char mode = '\0'); 
+  
  public:  
  macAddress mac;
  systemConfig() {stream=NULL;};
diff --git a/lighthub/flashstream.cpp b/lighthub/flashstream.cpp
index 9c96f7d..4952066 100644
--- a/lighthub/flashstream.cpp
+++ b/lighthub/flashstream.cpp
@@ -1,4 +1,39 @@
-#include <flashstream.h>
+#include "flashstream.h"
+#include "systemconfigdata.h"
+
+#include <main.h>
+#include <WiFiOTA.h>
+
+
+
+#if defined(ARDUINO_ARCH_AVR) 
+#include <EEPROM.h>
+#endif
+
+#if defined(ESP32) && !defined(FS_STORAGE)
+#include <EEPROM.h>
+#endif
+
+#if defined(ARDUINO_ARCH_ESP8266) 
+#include <ESP_EEPROM.h>
+#endif
+
+
+#if defined(__SAM3X8E__)
+#include <DueFlashStorage.h>
+extern DueFlashStorage EEPROM;
+#endif
+
+#ifdef NRF5
+#include <NRFFlashStorage.h>   //STUB
+extern NRFFlashStorage EEPROM;
+#endif
+
+#ifdef ARDUINO_ARCH_STM32
+#include <NRFFlashStorage.h>   //STUB
+extern NRFFlashStorage EEPROM;
+#endif
+
 
 #if defined(__SAM3X8E__)
 DueFlashStorage EEPROM;
@@ -10,4 +45,185 @@ NRFFlashStorage EEPROM;
 
 #ifdef ARDUINO_ARCH_STM32
 NRFFlashStorage EEPROM;
+#endif
+
+#if defined(FS_STORAGE)
+
+
+ int flashStream::open(String _filename, char mode) 
+   {
+                  char modestr[4];
+                  modestr[0]=mode; modestr[1]='b'; modestr[2]='+'; modestr[3]='\0';
+                  if (fs) fs.close();
+                  filename=_filename;
+
+                  if (fs =  SPIFFS.open(_filename,modestr))
+                     {
+                        openedMode=mode;
+
+                        if (_filename.endsWith(".json")) {contentType=HTTP_TEXT_JSON;textMode=true;}
+                           else if (_filename.endsWith(".bin")) {contentType=HTTP_OCTET_STREAM;textMode=false;}
+                                else if (_filename.endsWith(".txt")) {contentType=HTTP_TEXT_PLAIN;textMode=true;}
+                                     else if (_filename.endsWith(".html")) {contentType=HTTP_TEXT_HTML;textMode=true;} 
+                                          else if (_filename.endsWith(".gif")) {contentType=HTTP_IMAGE_GIF;textMode=false;}
+                                               else if (_filename.endsWith(".jpg")) {contentType=HTTP_IMAGE_JPEG;textMode=false;}
+
+
+                        debugSerial<<(F("Opened ("))<<modestr<<(F(")"))<<filename<<endl;
+                        return fs;
+                     }
+                  else 
+                     {
+                         openedMode='\0';  
+                         debugSerial<<("Open error (")<<modestr<<(")")<<filename<<endl; 
+                         return 0;
+                     }   
+   }; 
+               
+    int flashStream::available() 
+                { 
+                    if (!fs) return 0;
+                    if (textMode && peek()==EOFchar) return 0;  
+                    return fs.available();  
+                };
+                
+    int flashStream::read() {
+       return fs.read();
+       };
+
+    int flashStream::peek() {
+       return fs.peek();
+       };
+
+    unsigned int flashStream::seek  (unsigned int _pos)  
+    {   
+        debugSerial<<(F("Seek:"))<<_pos;
+        if (_pos>streamSize) _pos=streamSize;
+        unsigned int res = fs.seek(_pos,SeekSet);
+        debugSerial<<(F(" Res:"))<<res<<endl;
+        return res;
+      };         
+    void flashStream::close()  {fs.close();  };
+    void flashStream::flush()  {fs.flush();  };
+    size_t flashStream::write(uint8_t ch) 
+                {
+                    return fs.write(ch);
+                    };
+   
+ flashStream::~flashStream () {if (fs) fs.close();} ;
+
+
+#else
+    void flashStream::setSize(unsigned int _size) {streamSize=_size;}; 
+    int  flashStream::open(short fileNum, char mode) 
+                {
+
+                 switch (fileNum) {
+                   case FN_CONFIG_JSON:     
+                        pos = 0;
+                        //streamSize = _size;  
+                        startPos = EEPROM_offsetJSON;
+                        textMode = true;
+                        contentType = HTTP_TEXT_JSON;
+                        return 1;    
+                    
+                  case FN_CONFIG_BIN:                    
+                        pos = 0;
+                        startPos = SYSCONF_OFFSET;
+                        streamSize = SYSCONF_SIZE;
+                        textMode =false;
+                        contentType = HTTP_OCTET_STREAM;
+                        return 1;
+
+                   default:
+                   return 0;
+            }          
+};
+
+
+     int flashStream::open(String _filename, char mode) 
+                {
+                  if (_filename == "/config.json") return open (FN_CONFIG_JSON,mode);
+                  else if (_filename == "/config.bin")  return open (FN_CONFIG_BIN,mode);
+                  else return 0;    
+                };
+/*
+    virtual int  open(unsigned int _startPos=0, unsigned int _size=4096 char mode='\0') 
+            {
+                pos = 0;
+                startPos = _startPos;
+                streamSize = _size;
+                return 1;
+            };       
+*/
+     unsigned int flashStream::seek(unsigned int _pos) 
+        {   pos=min(_pos, streamSize);
+            debugSerial<<F("Seek:")<<pos<<endl;
+            return pos;
+        };
+     int flashStream::available() { 
+            //debugSerial<<pos<<"%"<<streamSize<<";"; 
+            if (textMode && peek()==EOFchar) return 0; 
+            return (pos<streamSize);
+            };
+     int flashStream::read() 
+            {
+                int ch = peek(); 
+                pos++; 
+                //debugSerial<<"<"<<(char)ch;
+                return ch;
+                };
+     int flashStream::peek() 
+            {    
+                if (pos<streamSize) 
+                     return EEPROM.read(pos);
+                else return -1;    
+            };
+    void flashStream::flush() {
+        #if defined(ESP8266) || defined(ESP32)
+        if (EEPROM.commitReset())
+                infoSerial<<"Commited to FLASH"<<endl;
+        else    errorSerial<<"Commit error. len:"<<EEPROM.length()<<endl;       
+        #endif
+   };
+          
+    size_t flashStream::write(uint8_t ch) 
+            {
+                //debugSerial<<">"<<(char)ch;
+               #if defined(__AVR__)
+                  EEPROM.update(startPos+pos++,(char)ch);
+                  return 1;
+               #elif  defined(__SAM3X8E__)
+                  return EEPROM.write(startPos+pos++,(char)ch);
+               #else 
+                  EEPROM.write(startPos+pos++,(char)ch);
+                  return 1;  
+               #endif                
+            };
+    
+   #if defined(__SAM3X8E__)
+    size_t flashStream::write(const uint8_t *buffer, size_t size) 
+            {     
+                  //debugSerial<<("Write from:")<<pos<<" "<<size<<" bytes"<<endl;    
+                  EEPROM.write(startPos+pos,(byte*)buffer,size);
+                  pos+=size;
+                return size;          
+            };
+     
+   #endif    
+
+    #if defined(ESP8266) || defined(ESP32)      
+     void flashStream::putEOF()  
+            {
+                write (255);
+                EEPROM.commit();
+            };
+    #endif        
+
+ void flashStream::close()  
+    {
+       flush();
+    }    
+
+
 #endif
\ No newline at end of file
diff --git a/lighthub/flashstream.h b/lighthub/flashstream.h
index d48c3da..aa6f629 100644
--- a/lighthub/flashstream.h
+++ b/lighthub/flashstream.h
@@ -1,49 +1,22 @@
 #pragma once
-#ifndef _FLASHSTREAM_H_
-#define _FLASHSTREAM_H_
+//#ifndef _FLASHSTREAM_H_
+//#define _FLASHSTREAM_H_
 
-#include <main.h>
-#include <WiFiOTA.h>
+
+
+#include <Stream.h>
+#include <Arduino.h>
+#include "seekablestream.h"
+//#include "config.h"
 
 #if defined(FS_STORAGE)
 #include <FS.h>
 #include <SPIFFS.h>
 #endif
 
-#if defined(ARDUINO_ARCH_AVR) 
-#include <EEPROM.h>
-#endif
+#define FN_CONFIG_JSON 1
+#define FN_CONFIG_BIN  2
 
-#if defined(ESP32) && !defined(FS_STORAGE)
-#include <EEPROM.h>
-#endif
-
-#if defined(ARDUINO_ARCH_ESP8266) 
-#include <ESP_EEPROM.h>
-#endif
-
-
-#if defined(__SAM3X8E__)
-#include <DueFlashStorage.h>
-extern DueFlashStorage EEPROM;
-#endif
-
-#ifdef NRF5
-#include <NRFFlashStorage.h>   //STUB
-extern NRFFlashStorage EEPROM;
-#endif
-
-#ifdef ARDUINO_ARCH_STM32
-#include <NRFFlashStorage.h>   //STUB
-extern NRFFlashStorage EEPROM;
-#endif
-
-
-#include <Stream.h>
-#include <Arduino.h>
-#include "seekablestream.h"
-
-#define EOF 255
 
 #if defined(FS_STORAGE)
 class flashStream : public seekableStream
@@ -53,130 +26,36 @@ String       filename;
 char         openedMode; 
 File         fs;
 public:
-flashStream():seekableStream(65535) 
+   flashStream():seekableStream(65535) 
             {
                 openedMode='\0';
-                //fs = 0;
                 filename = "";
-               // open('r');
-            };
-
-   virtual int open(String _filename, char mode) override
-   {
-                  char modestr[2];
-                  modestr[0]=mode; modestr[1]=0;
-                  filename=_filename;
-
-                  if (fs =  SPIFFS.open(_filename,modestr))
-                     {
-                        openedMode=mode;
-                        //fs.seek(savedPos);
-
-                        if (_filename.endsWith(".json")) {contentType=HTTP_TEXT_JSON;textMode=true;}
-                           else if (_filename.endsWith(".bin")) {contentType=HTTP_OCTET_STREAM;textMode=false;}
-                                else if (_filename.endsWith(".txt")) {contentType=HTTP_TEXT_PLAIN;textMode=true;}
-
-
-                        debugSerial<<("Opened/")<<modestr<<(":")<<filename<<endl;
-                        return fs;
-                     }
-                  else 
-                     {
-                         openedMode='\0';  
-                         debugSerial<<("Open error/")<<modestr<<(":")<<filename<<endl; 
-                         return 0;
-                     }   
-
-
-
-
-   }; 
-   virtual int open(char mode='\0') 
-            {   
-               if (!mode  && openedMode) mode=openedMode;
-               if (!mode  && !openedMode) mode='r'; 
-               if (openedMode!=mode)
-                 { 
-                  char modestr[2];
-                  modestr[0]=mode;modestr[1]=0;  
-
-                  unsigned int savedPos=fs.position();
-                  if (fs) fs.close();
-
-                  if (fs =  SPIFFS.open(filename,modestr))
-                     {
-                        openedMode=mode;
-                        fs.seek(savedPos);
-                        debugSerial<<("Opened/")<<modestr<<(":")<<filename<<endl;
-                     }
-                  else 
-                     {
-                         openedMode='\0';  
-                         debugSerial<<("Open error/")<<modestr<<(":")<<filename<<endl; 
-                     }   
-            }
-       return fs;
-    }                  
-   virtual int available() override
-                { 
-                    if (!fs) return 0;
-                    if (textMode && peek()==EOF) return 0;  
-                    return fs.available();  
-                };
-                
-   virtual int read() {open('r');return fs.read();};
-   virtual int peek() {open('r'); return fs.peek();};
-   virtual unsigned int seek  (unsigned int _pos = 0) override {return open();fs.seek(_pos,SeekSet);};         
-   virtual void close() override {fs.close();  };
-   virtual void flush() override {fs.flush();  };
-   virtual size_t write(uint8_t ch) {open('w'); return fs.write(ch);};
-   using Print::write;
-   
-virtual ~flashStream () {if (fs) fs.close();} ;
+            };   
+   virtual int open(String _filename, char mode) override;
+   virtual int available() override;             
+   virtual int read(); 
+   virtual int peek(); 
+   virtual unsigned int seek  (unsigned int _pos = 0) override;    
+   virtual void close() override;
+   virtual void flush() override;
+   virtual size_t write(uint8_t ch);              
+   using Print::write; 
+   virtual ~flashStream ();
 };
 
 #else
-
-
+#define MAX_STREAM_SIZE 4096
 class flashStream : public seekableStream 
 {
 protected:
 unsigned int pos;  
 unsigned int startPos; 
 
-
 public:
-flashStream(unsigned int _size=4096 ):seekableStream(_size) 
-            {
-         //   pos = 0; startPos = _startPos; 
-            };
-
-    void setSize(unsigned int _size) {streamSize=_size;}; 
-
-    virtual int open(String _filename, char mode='\0') 
-                {
-                  if (_filename == "config.json")
-                    {
-                        pos = 0;
-                        streamSize = _size;  
-                        startPos = EEPROM_offsetJSON;
-                        textMode = true;
-                        contentType = HTTP_TEXT_JSON;
-
-                        return 1;    
-                    }
-                  else if (_filename == "config.bin")
-                    {
-                        pos = 0;
-                        startPos = SYSCONF_OFFSET;
-                        streamSize = SYSCONF_SIZE;
-                        textMode =false;
-                        contentType = HTTP_OCTET_STREAM;
-
-                        return 1;
-                    }
-                  else return 0;    
-                };
+    flashStream():seekableStream(MAX_STREAM_SIZE){};
+    void setSize(unsigned int _size);
+    int open(short fileNum, char mode='\0') ; 
+    virtual int open(String _filename, char mode='\0') override;
 /*
     virtual int  open(unsigned int _startPos=0, unsigned int _size=4096 char mode='\0') 
             {
@@ -186,77 +65,25 @@ flashStream(unsigned int _size=4096 ):seekableStream(_size)
                 return 1;
             };       
 */
-    virtual unsigned int seek(unsigned int _pos = 0) 
-        {   pos=min(_pos, streamSize);
-            debugSerial<<F("Seek:")<<pos<<endl;
-            return pos;
-        };
-    virtual int available() { 
-            //debugSerial<<pos<<"%"<<streamSize<<";"; 
-            if (textMode && peek()==EOF) return 0; 
-            return (pos<streamSize);
-            };
-    virtual int read() 
-            {
-                int ch = peek(); 
-                pos++; 
-                //debugSerial<<"<"<<(char)ch;
-                return ch;
-                };
-    virtual int peek() 
-            {    
-                if (pos<streamSize) 
-                     return EEPROM.read(pos);
-                else return -1;    
-            };
-   virtual void flush() {
-        #if defined(ESP8266) || defined(ESP32)
-        if (EEPROM.commitReset())
-                infoSerial<<"Commited to FLASH"<<endl;
-        else    errorSerial<<"Commit error. len:"<<EEPROM.length()<<endl;       
-        #endif
-   };
-          
-   virtual size_t write(uint8_t ch) 
-            {
-                //debugSerial<<">"<<(char)ch;
-               #if defined(__AVR__)
-                  EEPROM.update(startPos+pos++,(char)ch);
-                  return 1;
-               #elif  defined(__SAM3X8E__)
-                  return EEPROM.write(startPos+pos++,(char)ch);
-               #else 
-                  EEPROM.write(startPos+pos++,(char)ch);
-                  return 1;  
-               #endif                
-            };
+    virtual unsigned int seek(unsigned int _pos = 0); 
+    virtual int available() override;    
+    virtual int read() ;
+    virtual int peek() ; 
+    virtual void flush();      
+    virtual size_t write(uint8_t ch) ;       
     
-   #if defined(__SAM3X8E__)
-   virtual size_t write(const uint8_t *buffer, size_t size) override
-            {     
-                  //debugSerial<<("Write from:")<<pos<<" "<<size<<" bytes"<<endl;    
-                  EEPROM.write(startPos+pos,(byte*)buffer,size);
-                  pos+=size;
-                return size;          
-            };
-   #else 
-   using Print::write;//(const uint8_t *buffer, size_t size);         
-   #endif    
+    #if defined(__SAM3X8E__)
+    virtual size_t write(const uint8_t *buffer, size_t size) override;
+    #else 
+    using Print::write;//(const uint8_t *buffer, size_t size);         
+    #endif    
 
     #if defined(ESP8266) || defined(ESP32)      
-    virtual void putEOF() override 
-            {
-                write (255);
-                EEPROM.commit();
-            };
+    virtual void putEOF() override ;          
     #endif        
 
-virtual void close() override 
-    {
-       flush();
-    }    
-
+    virtual void close() override;  
 };
 #endif
 
-#endif
\ No newline at end of file
+//#endif
\ No newline at end of file
diff --git a/lighthub/main.cpp b/lighthub/main.cpp
index 90ef48d..50ffd59 100644
--- a/lighthub/main.cpp
+++ b/lighthub/main.cpp
@@ -176,20 +176,23 @@ if (configLocked)
     errorSerial<<F("Not unlocked in 10s - continue ...")<<endl;
 }
 
-debugSerial<<F("Stopping channels ...")<<endl;
-//Stoping the channels
-aJsonObject * item = items->child;
-while (items && item)
-   {
-    if (item->type == aJson_Array && aJson.getArraySize(item)>0)
+if (root && items)
+{
+    debugSerial<<F("Stopping channels ...")<<endl;
+    //Stoping the channels
+    aJsonObject * item = items->child;
+    while (item)
     {
-        Item it(item->name);
-        if (it.isValid()) it.Stop();
-        yield();
+        if (item->type == aJson_Array && aJson.getArraySize(item)>0)
+        {
+            Item it(item->name);
+            if (it.isValid()) it.Stop();
+            yield();
 
+        }
+    item = item->next;
     }
-   item = item->next;
-  }
+} 
 pollingItem = NULL;
 debugSerial<<F("Stopped")<<endl;
 
@@ -237,12 +240,15 @@ uint16_t httpHandler(Client& client, String request, long contentLength, bool au
     debugSerial<<request<<endl;
     if (request == (F("GET /"))) 
         {
-         response = "Location: http://lazyhome.ru/pwa?mac=";
+         ArduinoOTA.sendHttpResponse(client,301,false);  // Send only HTTP header, no close socket 
+         client.println(F("Location: http://lazyhome.ru/pwa?mac="));
          // todo for (int i=0; i<6; i++) {response+=(sysConf.mac[i]>>4,HEX);response+=(sysConf.mac[i]&0xf,HEX);}
-         response+=(F("&ip="));
+         //response+=(F("&ip="));
          //todo response+=(Ethernet.localIP());
+         client.println();
          delay(100);
-         return 301;
+         client.stop();
+         return 1;
         }
     if (!authorized) return 401;
 
@@ -405,7 +411,7 @@ if (element && element->type == aJson_String) return element->valuestring;
                         }
 
             debugSerial<<passwordBuf<<endl;            
-            ArduinoOTA.begin(Ethernet.localIP(), "Lighthub", passwordBuf, InternalStorage, sysConfStream);//, JSONStream);
+            ArduinoOTA.begin(Ethernet.localIP(), "Lighthub", passwordBuf, InternalStorage, sysConfStream);
             ArduinoOTA.setCustomHandler(httpHandler);
             infoSerial<<F("OTA initialized\n");
 
@@ -1227,7 +1233,7 @@ int loadConfigFromEEPROM()
     #if defined(FS_STORAGE)
     sysConfStream.open("/config.json",'r');
     #else
-    sysConfStream.open(EEPROM_offsetJSON,'r');
+    sysConfStream.open(FN_CONFIG_JSON,'r');
     #endif
 
     //JSONStream.seek();    
@@ -1266,7 +1272,7 @@ if (arg_cnt>1)
     #if defined(FS_STORAGE)
     sysConfStream.open("/config.json",'w');
     #else
-    sysConfStream.open(EEPROM_offsetJSON,'w');
+    sysConfStream.open(FN_CONFIG_JSON,'w');
     #endif
 
 #if defined(__SAM3X8E__) 
@@ -1281,8 +1287,8 @@ if (arg_cnt>1)
   aJson.print(root, &stringStream);
   int len = strlen(outBuf);
   outBuf[len++]= 255;
-  JSONStream.seek();
-  size_t res = JSONStream.write((byte*) outBuf,len);
+  //JSONStream.seek();
+  size_t res = sysConfStream.write((byte*) outBuf,len);
   free (outBuf);
   infoSerial<<res<< F("bytes from ")<<len<<F(" are saved to EEPROM")<<endl;
 #else
@@ -1404,10 +1410,11 @@ void cmdFunctionSetMac(int arg_cnt, char **args) {
 void cmdFunctionGet(int arg_cnt, char **args) {
 if (arg_cnt>1)
 {
-    if (!strcasecmp_P(args[1],ON_P)) sysConf.setLoadHTTPConfig(true);
-    if (!strcasecmp_P(args[1],OFF_P)) sysConf.setLoadHTTPConfig(false);
+    if (!strcasecmp_P(args[1],ON_P)) {sysConf.setLoadHTTPConfig(true); return;};
+    if (!strcasecmp_P(args[1],OFF_P)) {sysConf.setLoadHTTPConfig(false); return;};
+    
     infoSerial<<F("Loading HTTP config on startup:")<<sysConf.getLoadHTTPConfig()<<endl;
-    return;
+
 }
 
     lanStatus= loadConfigFromHttp(arg_cnt, args);
diff --git a/lighthub/seekablestream.h b/lighthub/seekablestream.h
index 46b95b8..b8b6120 100644
--- a/lighthub/seekablestream.h
+++ b/lighthub/seekablestream.h
@@ -4,22 +4,24 @@
 #include <Stream.h>
 #include <Arduino.h>
 
+#define EOFchar 255
+
 class seekableStream : public Stream 
 {
 protected:    
 unsigned int streamSize;  
-bool textMode;
-uint16_t contentType;
+bool         textMode;
+uint16_t     contentType;
 
 public:
 seekableStream(unsigned int size):Stream(),streamSize(size) {};
-unsigned int getSize() {return streamSize;}
+unsigned int    getSize() {return streamSize;}
+void            setSize (unsigned int size) {streamSize = size;};
 virtual unsigned int seek(unsigned int _pos = 0) = 0;
-//virtual int  open(unsigned int _startPos=0, unsigned int _size=4096, char mode='\0') = 0;
-virtual int  open(String _filename, char mode) = 0; 
-virtual void close() = 0;
+virtual int     open(String _filename, char mode) = 0; 
+virtual void    close() = 0;
 virtual uint16_t getContentType() {return contentType;};
-virtual void putEOF() {if (textMode) write (EOF);};
+virtual void    putEOF() {if (textMode) write (EOFchar);};
 };
 
 #endif
\ No newline at end of file
diff --git a/lighthub/systemconfigdata.h b/lighthub/systemconfigdata.h
new file mode 100644
index 0000000..40aebb0
--- /dev/null
+++ b/lighthub/systemconfigdata.h
@@ -0,0 +1,48 @@
+#define SYSCONF_OFFSET 0
+#define EEPROM_offset_NotAlligned SYSCONF_OFFSET+sizeof(systemConfigData)
+#define SYSCONF_SIZE EEPROM_offsetJSON
+#define EEPROM_offsetJSON EEPROM_offset_NotAlligned + (4 -(EEPROM_offset_NotAlligned & 3))
+
+#define MAXFLASHSTR 32
+#define PWDFLASHSTR 16
+#define EEPROM_SIGNATURE "LHCF"
+#define EEPROM_SIGNATURE_LENGTH 4
+
+//#define EEPROM_offsetJSON IFLASH_PAGE_SIZE
+#define EEPROM_FIX_PART_LEN EEPROM_offsetJSON-SYSCONF_OFFSET
+
+const char EEPROM_signature[] = EEPROM_SIGNATURE;
+
+ typedef char flashstr[MAXFLASHSTR];
+ typedef char flashpwd[PWDFLASHSTR];
+ typedef uint8_t macAddress[6];
+
+ #pragma pack(push, 1)
+ typedef struct
+      { 
+        char    signature[4];  
+        macAddress  mac;  //6 bytes
+        union {
+                uint16_t configFlags;
+                struct
+                      { 
+                        uint8_t  serialDebugLevel:4; 
+                        uint8_t  syslogDebugLevel:4; 
+                        uint8_t  notGetConfigFromHTTP:1;
+                        uint8_t  saveToFlash:1;
+                      };
+              };  
+        uint32_t ip;
+        uint32_t dns;
+        uint32_t gw;
+        uint32_t mask;
+
+        flashstr configURL;
+        flashpwd MQTTpwd;
+        flashpwd OTApwd;
+
+        uint16_t sysConfigHash;
+        uint16_t JSONHash;
+            
+      } systemConfigData;
+ #pragma (pop) 
\ No newline at end of file