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Reviewed-on: #10

README.md

@@ -1,3 +1,5 @@
 # WiFiConfig
 
-Knihovna pro konfiguraci WiFi rozhraní modulu ESP8266
+![Screenshot](doc/images/Screenshot_20180507-100906.png)
+
+Knihovna pro konfiguraci WiFi rozhraní modulu ESP8266 a ESP32, obsahující Captive portal.

WiFiConfig.cpp

@@ -1,782 +0,0 @@
-/*
- * V5.4 - 9.1.2018 - na titulni stranku pridan duvod, proc je spusteny konfiguracni AP. Usnadni to diagnostiku pripadu, kdy se ESP nechce pripojit k AP.
- *
- * V5.3 - 8.12.2017 - prepracovano presmerovani v Captive portalu, DEBUG_MSG makro upraveno na posledni pouzivanou verzi, scitani retezcu prepracovano na .concat. Pripsany Informace o modulu, reakce na Reset
- *
- * V5.2 - 20.4.2017 - Pokud je pouzite v timeoutu EC_DONT_RUN_CONFIGAP tak se vracime okamzite a necekame na pripojeni k WiFi (take nevolame zadnou callback metodu).
- * 					  Navratovy kod je pak WCR_CONFIGAP_NOT_STARTED .
- *
- * V5.1 - 3.4.2017  - Webove rozhrani upravene pro snadnejsi ovladani na telefonu/tabletu, sila signalu AP zobrazena jako barevne odliseny indikator.
- *
- * V5.0 - 29.10.2016- Vyuziti vlastnosti ESP, ktere si uklada wifi konfiguraci do sve vlastni flash oblasti, takze nemusim vse konfigurovat znovu po startu - doufam, ze se tim zrychli asociace s AP
- * 					  kvuli bateriove napajenym pristrojum.
- *
- * V4.7 - 30.8.2016 - Metody .begin se nyni vraci s wificonfigresult_t (podarilo se pripojit k AP, nepodarilo se pripojit a vyprsel timeout pro konfiguracni AP, nepodarilo se pripojit, ale je zakazane spousteni konfiguracniho AP).
- *					  ESP NYNI NENI RESETOVAN PO VYPRSENI TIMEOUTU!!!! Je to kvuli bateriovym cidlum a DeepSleep rezimu v situaci, kdy zmizi AP, ke kteremu se bezne pripojujeme
- *					  Odstraneno odesilani reakce na generate_204 (viz. https://github.com/tzapu/WiFiManager/issues/114)
- *					  Zbytek MAC adresy v pripadnem SSID je nyni vzdy velkymi pismeny (UAA Unique Address Assignment)
- *					  Kvalita signalu jednotlivych AP je nyni uvadena v % namisto uzivatelum nic nerikajicich -dBm
- *					  Pokud do polozky timeout v .begin() metode zadame hodnotu WC_DONT_RUN_CONFIGAP, tak i po neuspesnem pokusu o pripojeni do site NENI spusteny konfiguracni AP (bateriove pristroje, stale bezici pristroje)
- *
- * V4.6 - 26.7.2016 - Moznost nastavit cislo kanalu pro rezim AP, nove eye-candy rozhrani.
- *
- * V4.5 - 20.7.2016 - Moznost konfigurovat cislo kanalu pro nastavovaci AP (default je 3), po nacteni konfiguracni stranky je nastaveny timeout na 6 minut, pokud je ve jmenu SSID pro konfiguracni
- *					  AP znak ? (otaznik), tak je tento nahrazen HEXASCII reprezentaci 3 poslednich bytu MAC adresy AP (POZOR!!! je jina, nez STA!!!)
- *
- * V4.4 - 10.7.2016 - Zmena nazvu vsech privatnich metod (doplnene uvodni podtrzitko _). Pokud tam nebylo, tak napriklad nesel prelozit skript s handleNotFound pokud nebyl dopredne deklarovany (asi zmatek v Arduino preprocesoru)
- *
- * V4.3 - 23.6.2016 - Kazde nacteni webove stranky prodluzuje pripadny timeout pro restart zarizeni.
- *
- * V4.2 - 10.6.2016 - DNSServer a WebServer ukazatele jsou nyni staticke primo v modulu WiFiConfig. Predchozi verze neumoznila soucasne pouziti s knihovnami ESPAsyncWebServer z duvodu kolize nekterych definic HTTP metod
- *
- * V4.1 - 18.5.2016 - Nenechame SDK ukladat WiFi konfiguraci do Flash (setrime prepisy)
- *
- * V4.0 - 10.4.2016 - pridana moznost staticke konfigurace ip parametru. POZOR!!!! ukladani dat do EEPROM (verejne funkce) nyni nevolaji automaticky commit() kvuli snizeni poctu prepisu Flash EEPROM
- * 					  pridana moznost timeoutu pro konfiguracni AP. Pokud timeout vyprsi, tak se zarizeni automaticky restartuje, coz vyvola novy pokus o pripojeni.
- *
- * V3.0 - 27.2.2016 - pridana presmerovavaci stranka kvuli Captive portalu, doplneno servirovani favicon.ico, doplnena moznost zadavani uzivatelskych parametru, www server a DNS server jsou dynamicky vytvareny
- *
- * V2.4 - 7.2.2016  - upraveno casovani pri pripojovani k AP (zmizel delay(100))
- *
- * V2.3 - 5.2.2016  - pridano zverejneni jmena hosta a nastaveni tohoto jmena pro DHCP apod.
- *
- * V2.2 - 19.1.2016 - pridan Captive portal pri konfiguracnim AP.
- *
- * V2.1 - 20.9.2015 - pridano zadavani jmena zarizeni. Modul ho sice nevyuziva, ale aplikace ano a v pripade DHCP se dost hodi.
- *
- * V2.0 - 30.8.2015 - Podstatnym zpusobem vylepsena signalizace vnitrniho stavu, presunuto ulozeni rezimu (commit je uz zbytecny - udela se pri ukladani retezcu - uspora kodu/setreni prepisu pameti Flash)
- *
- * V1.2 - 23.8.2015 - BugFix - pridan chybejici eeprom.commit() po ulozeni rezimu prace
- *
- * V1.1 - 5.8.2015 - pridana moznost volani callback metody pri behu konfiguracniho AP (signalizace stavu uzivatelskym zpusobem)
- *
- * V1.0 - publikace na www.xpablo.cz
- *
- * TODO:
- * Prejit na pripojovani pomoci vnitrnich mechanizmu SDK ESP - zvysi se tim rychlost pripojeni kvuli bateriovym zarizenim
- */
-
-#include "WiFiConfig.h"
-#include <ESP8266WebServer.h>
-#include <DNSServer.h>
-#include <EEPROM.h>
-#include <Ticker.h>
-#include "embHTML.h"
-
-#ifdef DEBUG_ESP_PORT
- #define DEBUG_MSG(_1, ...) DEBUG_ESP_PORT.printf_P(PSTR(_1), ##__VA_ARGS__)
-#else
- #define DEBUG_MSG(...)
-#endif
-
-extern "C" {
-  #include "user_interface.h"
-}
-
-#define DNS_PORT 53
-
-char WiFiDeviceName[elementSize(wificonfigarea_t, devname)]; // misto pro jmeno zarizeni (dodane do DNS, DHCP NBNS apod...)
-
-enum
-{
-	WIFIMODE_AP = WIFI_AP, // rezim prace jako pristupovy bod (AP)
-	WIFIMODE_STA = WIFI_STA, // rezim prace jako klient
-	WIFIMODE_AP_STA = WIFI_AP_STA // rezim prace jako klient i pristupovy bod
-};
-
-enum
-{
-	IPCONFIG_DHCP = 0x55, // DHCP konfigurace ip adres (default)
-	IPCONFIG_STATIC = 0xaa // staticka konfigurace ip adres
-};
-
-static int configBase; // musi byt trvale ulozene, aby fungovaly metody pro ziskani retezcu z EEPROM
-
-static std::unique_ptr<DNSServer>        dnsServer;
-static std::unique_ptr<ESP8266WebServer> server;
-static std::unique_ptr<Ticker> rsttick;
-
-const char VALUE[] PROGMEM = "value='";
-const char CHECKED[] PROGMEM = "checked='checked'";
-
-IPAddress getOurIP(void)
-{
-	IPAddress ipa;
-	WiFiMode_t wm = WiFi.getMode();
-
-	switch (wm)
-	{
-	case WIFI_STA:
-	  ipa = WiFi.localIP();
-	break;
-
-	case WIFI_AP:
-	  ipa = WiFi.softAPIP();
-	break;
-
-	default:
-	  ipa = IPAddress(0,0,0,0); // nelze urcit ip adresu (bud je AP + STA aktivni, nebo je vypnute WiFi)
-	break;
-	}
-	return ipa;
-}
-
-uint8_t * getOurMAC(uint8_t *mac)
-{
-
-	if (WIFIMODE_STA == EEPROM.read(configBase + offsetof(wificonfigarea_t, mode)))
-		return WiFi.macAddress(mac);
-	else
-		return WiFi.softAPmacAddress(mac);
-}
-
-uint32_t getEEPROMuint32(int start)
-{
-	uint32_t result = 0;
-
-	for (int i=0; i<4; ++i)
-	{
-		result <<= 8;
-		result += EEPROM.read(start);
-		++start;
-	}
-	return result;
-}
-
-void setEEPROMuint32(int start, uint32_t val)
-{
-
-	for (int i=0; i<4; ++i)
-	{
-		EEPROM.write(start + 3 - i, (uint8_t)val);
-		val >>= 8;
-	}
-}
-
-String getEEPROMString(int start, int len)
-{
-  String string = "";
-
-  for (int i = start; i < + start + len; ++i)
-  {
-    uint8_t b = EEPROM.read(i);
-
-    if ((0xff == b) || (0 == b))
-      break;
-    string.concat(char(b));
-  }
-  return string;
-}
-
-void setEEPROMString(int start, int len, String string)
-{
-  unsigned int si = 0;
-
-  for (int i = start; i < start + len; ++i)
-  {
-    char c;
-
-    if (si < string.length())
-    {
-      c = string[si];
-    }
-    else
-    {
-      c = 0;
-    }
-    EEPROM.write(i, c);
-    ++si;
-  }
-}
-
-WiFiConfigUsrParameter::WiFiConfigUsrParameter(const char *id, const char *label, const char *defaultValue, int length, storeparam_cb cb)
-{
-  _next = NULL;
-  _cb = cb;
-  _id = id;
-  _label = label;
-  _length = length;
-  _value = new char[length + 1];
-  for (int i = 0; i < length; i++)
-  {
-    _value[i] = 0;
-  }
-  if (defaultValue != NULL)
-  {
-    strncpy(_value, defaultValue, length);
-  }
-}
-
-const char* WiFiConfigUsrParameter::getValue()
-{
-
-  return _value;
-}
-
-const char* WiFiConfigUsrParameter::getID()
-{
-
-  return _id;
-}
-
-const char* WiFiConfigUsrParameter::getLabel()
-{
-
-  return _label;
-}
-
-int WiFiConfigUsrParameter::getValueLength()
-{
-
-  return _length;
-}
-
-void WiFiConfigUsrParameter::setNext(WiFiConfigUsrParameter *n)
-{
-
-  _next = n;
-}
-
-WiFiConfigUsrParameter *WiFiConfigUsrParameter::getNext()
-{
-
-  return _next;
-}
-
-void WiFiConfigUsrParameter::setNewValue(const char *newval)
-{
-
-	if (0 != strcmp(_value, newval))
-		_cb(newval);
-}
-
-WiFiConfigUsrParameter *WiFiConfig::_searchUsrParameter(const char *name)
-{
-  WiFiConfigUsrParameter *ptr = _params;
-
-  while (NULL != ptr)
-  {
-  	if (0 == strcmp(name, ptr->getID()))
-  		break;
-  	ptr = ptr->getNext();
-  }
-  return ptr;
-}
-
-void WiFiConfig::addParameter(WiFiConfigUsrParameter *p)
-{
-	p->setNext(_params);
-	_params = p;
-}
-
-void WiFiConfig::_handleNotFound(void)
-{
-
-//	_time = millis() + (_timeout * 1000); // spocitame si novy cas, kdy budeme modul restartovat
-	DEBUG_MSG("Requested URI: %s\r\n", server->uri().c_str());
-
-	if (server->uri().endsWith(String(F("favicon.ico"))))
-	{
-   		server->send(404, F("text/plain"), F("Err"));
-	}
-  else
-	{
-    	server->sendHeader(F("Location"), String(F("http://")) + server->client().localIP().toString() + String(F("/index.htm")), true);
-//      server->sendHeader(F("Location"), String(F("http://")) + WiFi.softAPIP().toString() + String(F("/index.htm")), true);
-    	server->send (302, F("text/plain"), F("Redirect"));
-	}
-}
-
-void WiFiConfig::_handleReset(void)
-{
-
-  rsttick.reset(new(Ticker));
-
-  rsttick->once_ms(700, []()
-  {
-    ESP.restart();
-  });
-
-  server->send_P(200, TEXTHTML, PAGE_RESTART);
-}
-
-void WiFiConfig::_handleInfo(void)
-{
-  String reply;
-
-  reply.reserve(3000);
-
-  reply = FPSTR(PAGE_INDEX1);
-  reply.concat(F("<form><table><TR><TH>System Info<TH>"));
-
-  reply.concat(F("<TR><TD>Core Version:<TD>"));
-  reply.concat(ESP.getCoreVersion());
-
-  reply.concat(F("<TR><TD>Flash Size:<TD>"));
-  reply.concat(ESP.getFlashChipRealSize() / 1024);
-  reply.concat(F(" kB"));
-
-  reply.concat(F("<TR><TD>Sketch Size/Free:<TD>"));
-  reply.concat(ESP.getSketchSize() / 1024);
-  reply.concat(F(" kB / "));
-  reply.concat(ESP.getFreeSketchSpace() / 1024);
-  reply.concat(F(" kB"));
-
-  reply.concat(F("<TR><TD>STA MAC:<TD>"));
-  uint8_t mac[] = {0, 0, 0, 0, 0, 0};
-  uint8_t* macread = WiFi.macAddress(mac);
-  char macaddress[20];
-  sprintf_P(macaddress, PSTR("%02x:%02x:%02x:%02x:%02x:%02x"), macread[0], macread[1], macread[2], macread[3], macread[4], macread[5]);
-  reply.concat(macaddress);
-
-  reply.concat(F("<TR><TD>AP MAC:<TD>"));
-  macread = WiFi.softAPmacAddress(mac);
-  sprintf_P(macaddress, PSTR("%02x:%02x:%02x:%02x:%02x:%02x"), macread[0], macread[1], macread[2], macread[3], macread[4], macread[5]);
-  reply.concat(macaddress);
-
-  reply.concat(F("<TR><TD>ESP Chip ID:<TD>"));
-  reply.concat(ESP.getChipId());
-
-  reply.concat(F("<TR><TD>Flash Chip ID:<TD>"));
-  reply.concat(ESP.getFlashChipId());
-
-  reply.concat(F("</table></form>"));
-  server->send(200, TEXTHTML, reply);
-}
-
-void WiFiConfig::_handleRoot(void)
-{
-  String content;
-
-  content.reserve(3000);
-  content = FPSTR(PAGE_CAPTIVEPORTALCATCH); // 1. cast stranky
-// pridame informaci o stavu pokusu o pripojeni
-  content.concat(F("<div class=\"vl-info\">Pokus o připojení: "));
-  switch (_status)
-  {
-  case STATION_IDLE:
-    content.concat(F("Klid"));
-  break;
-
-  case STATION_CONNECTING:
-    content.concat(F("Připojování"));
-  break;
-
-  case STATION_WRONG_PASSWORD:
-    content.concat(F("Špatné heslo"));
-  break;
-
-  case STATION_NO_AP_FOUND:
-    content.concat(F("AP nenalezen"));
-  break;
-
-  case STATION_CONNECT_FAIL:
-    content.concat(F("Připojení selhalo"));
-  break;
-
-  case STATION_GOT_IP:
-    content.concat(F("Získaná ip"));
-  break;
-
-  case 0xfe:
-    content.concat(F("Špatná EEPROM"));
-  break;
-
-  case 0xff:
-    content.concat(F("Vynucená konfigurace"));
-  break;
-
-  default:
-    content.concat(F("Neznámého"));
-  break;
-  }
-  content.concat(F("</div>"));
-  content.concat(FPSTR(PAGE_CAPTIVEPORTALCATCH2)); // 2. cast stranky (ukonceni)
-  server->send(200, TEXTHTML, content);
-	_time = millis() + (_timeout * 1000); // spocitame si novy cas, kdy budeme modul restartovat
-}
-
-void WiFiConfig::_handleDisplayAP(void)
-{
-	String s;
-	String v;
-	String content;
-
-	_time = millis() + (360 * 1000); // spocitame si novy cas, kdy budeme modul restartovat (6 minut)
-  content.reserve(3000);
-	content = FPSTR(PAGE_INDEX1);
-	int n = WiFi.scanNetworks();
-	if (0 == n)
-	{
-		content.concat(FPSTR(PAGE_NO_SSID));
-	}
-	else
-	{
-		for (int i = 0; i < n; ++i)
-		{
-		  int quality;
-
-  		if (WiFi.RSSI(i) <= -100)
-    		quality = 0;
-  		else if (WiFi.RSSI(i) >= -50)
-    		quality = 100;
-  		else
-    		quality = 2 * (WiFi.RSSI(i) + 100);
-
-			s = FPSTR(SSID_ITEM);
-			s.replace(F("{v}"), WiFi.SSID(i));
-			s.replace(F("{a}"), String(quality));
-			s.replace(F("{s}"), (ENC_TYPE_NONE == WiFi.encryptionType(i)) ? F("") : F("l"));
-			content.concat(s);
-		}
-	}
-	s = FPSTR(PAGE_INDEX2);
-	v = getEEPROMString(configBase + offsetof(wificonfigarea_t, ssid), elementSize(wificonfigarea_t, ssid));
-	if (v.length())
-		s.replace(F("{s}"), String(FPSTR(VALUE)) + v + F("'"));
-	else
-		s.replace(F("{s}"), F("placeholder='SSID'"));
-	v = getEEPROMString(configBase + offsetof(wificonfigarea_t, pass), elementSize(wificonfigarea_t, pass));
-	if (v.length())
-		s.replace(F("{p}"), String(FPSTR(VALUE)) + v + F("'"));
-	else
-		s.replace(F("{p}"), F("placeholder='password'"));
-	v = getEEPROMString(configBase + offsetof(wificonfigarea_t, devname), elementSize(wificonfigarea_t, devname));
-	if (v.length())
-		s.replace(F("{n}"), String(FPSTR(VALUE)) + v + F("'"));
-	else
-		s.replace(F("{n}"), F("placeholder='name'"));
-	if (EEPROM.read(configBase + offsetof(wificonfigarea_t, mode)) == WIFIMODE_AP)
-		s.replace(F("{a}"), FPSTR(CHECKED));
-	else
-		s.replace(F("{a}"), F(""));
-	if (EEPROM.read(configBase + offsetof(wificonfigarea_t, ip)) == IPCONFIG_STATIC)
-		s.replace(F("{c}"), FPSTR(CHECKED));
-	else
-		s.replace(F("{c}"), F(""));
-	s.replace(F("{i}"), IPAddress(getEEPROMuint32(configBase + offsetof(wificonfigarea_t, ipaddr))).toString());
-	s.replace(F("{m}"), IPAddress(getEEPROMuint32(configBase + offsetof(wificonfigarea_t, netmask))).toString());
-	s.replace(F("{g}"), IPAddress(getEEPROMuint32(configBase + offsetof(wificonfigarea_t, gateway))).toString());
-	s.replace(F("{d}"), IPAddress(getEEPROMuint32(configBase + offsetof(wificonfigarea_t, dns))).toString());
-
-	uint8_t chan = EEPROM.read(configBase + offsetof(wificonfigarea_t, apchannel));
-	if ((chan < 1) || (chan > 13))
-		chan = 1; // neplatne cislo kanalu nahradime nejnizsim
-	s.replace(F("{ch}"), String(chan));
-
-	content.concat(s);
-
-// Uzivatelske parametry
-	if (_params)
-	{
-		content.concat(FPSTR(PAGE_PARAM_HDR));
-	}
-
-	WiFiConfigUsrParameter *up = _params;
-
-	while (NULL != up)
-	{
-		s = FPSTR(PAGE_PARAM);
-		s.replace(F("{t}"), up->getLabel());
-		s.replace(F("{n}"), up->getID());
-		s.replace(F("{l}"), String(up->getValueLength()));
-		s.replace(F("{v}"), up->getValue());
-		content.concat(s);
-		up = up->getNext();
-	}
-
-	content.concat(FPSTR(PAGE_END));
-	server->send(200, TEXTHTML, content);
-}
-
-// Deal with (potentially) plus-encoded ssid/pass
-void WiFiConfig::_plusDecode(String &s)
-{
-
-	for (unsigned int i = 0; i < s.length(); i++)
-		s[i] = (s[i] == '+' ? ' ' : s[i]);
-}
-
-void WiFiConfig::_handleSetAP(void)
-{
-	uint8_t mode;
-	String str;
-
-	str.reserve(128);
-	str = server->arg(F("_s"));
-	if (str.length() > 0)
-	{
-		_plusDecode(str);
-		setEEPROMString(configBase + offsetof(wificonfigarea_t, ssid), elementSize(wificonfigarea_t, ssid), str);
-
-		str = server->arg(F("_p"));
-		_plusDecode(str);
-		setEEPROMString(configBase + offsetof(wificonfigarea_t, pass), elementSize(wificonfigarea_t, pass), str);
-
-		str = server->arg(F("_n"));
-		setEEPROMString(configBase + offsetof(wificonfigarea_t, devname), elementSize(wificonfigarea_t, devname), str);
-
-		str = server->arg(F("_a"));
-		if (str.length() > 0)
-		{
-			mode = WIFIMODE_AP; // rezim AP
-			str = server->arg(F("_ch")); // kanal AP
-			EEPROM.write(configBase + offsetof(wificonfigarea_t, apchannel), (uint8_t)str.toInt());
-		}
-		else
-			mode = WIFIMODE_STA; // rezim STA
-		EEPROM.write(configBase + offsetof(wificonfigarea_t, mode), mode);
-
-		str = server->arg(F("_st"));
-		if (0 == str.length())
-			EEPROM.write(configBase + offsetof(wificonfigarea_t, ip), IPCONFIG_DHCP); // mame DHCP dynamickou konfiguraci
-		else
-		{ // staticka ip konfigurace
-			IPAddress ipa;
-
-			EEPROM.write(configBase + offsetof(wificonfigarea_t, ip), IPCONFIG_STATIC);
-			str = server->arg(F("_i"));
-			ipa.fromString(str);
-			setEEPROMuint32(configBase + offsetof(wificonfigarea_t, ipaddr), (uint32_t) ipa);
-
-			str = server->arg(F("_m"));
-			ipa.fromString(str);
-			setEEPROMuint32(configBase + offsetof(wificonfigarea_t, netmask), (uint32_t) ipa);
-
-			str = server->arg(F("_g"));
-			ipa.fromString(str);
-			setEEPROMuint32(configBase + offsetof(wificonfigarea_t, gateway), (uint32_t) ipa);
-
-			str = server->arg(F("_d"));
-			ipa.fromString(str);
-			setEEPROMuint32(configBase + offsetof(wificonfigarea_t, dns), (uint32_t) ipa);
-		}
-
-// Uzivatelske parametry
-		for (int i = 0; i < server->args(); i++)
-		{
-			if (!server->argName(i).startsWith(F("_"))) // vnitrni parametry WiFiConfig modulu zacinaji _, takze ty muzeme ignorovat
-			{
-				WiFiConfigUsrParameter *up = _searchUsrParameter(server->argName(i).c_str());
-				if (NULL != up)
-					up->setNewValue(server->arg(i).c_str());
-			}
-		}
-		EEPROM.commit(); // skutecne ulozime data
-	}
-	server->send(200, F("text/html"), FPSTR(PAGE_SAVED));
-	delay(2000); // cekame na odeslani dat
-// nakonfigurujeme ESP dle nove nastavenych parametru
-	WiFi.disconnect(); // vsechno odpojime
-	WiFi.persistent(true); // chceme, aby si modul zapamatoval konfiguraci
-
-	String s = getEEPROMString(configBase + offsetof(wificonfigarea_t, devname), elementSize(wificonfigarea_t, devname));
-	strcpy(WiFiDeviceName, s.c_str());
-	s = getEEPROMString(configBase + offsetof(wificonfigarea_t, ssid), elementSize(wificonfigarea_t, ssid));
-	String pass =  getEEPROMString(configBase + offsetof(wificonfigarea_t, pass), elementSize(wificonfigarea_t, pass));
-
-	switch (EEPROM.read(configBase + offsetof(wificonfigarea_t, mode)))
-	{
-		case WIFIMODE_STA:
-		{
-			DEBUG_MSG("STA mode.\r\n");
-			WiFi.mode(WIFI_STA); // startujeme WiFi v rezimu klienta
-      if (strlen(WiFiDeviceName))
-        WiFi.hostname(WiFiDeviceName); // nastavime jmeno zarizeni
-			WiFi.begin(s.c_str(), pass.c_str());
-			if (IPCONFIG_STATIC == EEPROM.read(configBase + offsetof(wificonfigarea_t, ip)))
-			{
-				DEBUG_MSG("Static configuration.\r\n");
-				WiFi.config(IPAddress(getEEPROMuint32(configBase + offsetof(wificonfigarea_t, ipaddr))), IPAddress(getEEPROMuint32(configBase + offsetof(wificonfigarea_t, gateway))),
-					IPAddress(getEEPROMuint32(configBase + offsetof(wificonfigarea_t, netmask))), IPAddress(getEEPROMuint32(configBase + offsetof(wificonfigarea_t, dns))));
-			}
-			wifi_station_set_auto_connect(true);
-		}
-		break;
-
-		case WIFIMODE_AP:
-			DEBUG_MSG("AP mode.\r\n");
-			WiFi.mode(WIFI_AP); // startujeme AP
-			if (pass.length())
-			// je zadane heslo do AP
-				WiFi.softAP(s.c_str(), pass.c_str(), EEPROM.read(configBase + offsetof(wificonfigarea_t, apchannel)));
-			else
-			// otevreny AP
-				WiFi.softAP(s.c_str(), NULL, EEPROM.read(configBase + offsetof(wificonfigarea_t, apchannel)));
-			if (IPCONFIG_STATIC == EEPROM.read(configBase + offsetof(wificonfigarea_t, ip)))
-				WiFi.softAPConfig(IPAddress(getEEPROMuint32(configBase + offsetof(wificonfigarea_t, ipaddr))), IPAddress(getEEPROMuint32(configBase + offsetof(wificonfigarea_t, gateway))),
-					IPAddress(getEEPROMuint32(configBase + offsetof(wificonfigarea_t, netmask))));
-		break;
-
-		default: // jakykoliv neznamy rezim (mozna zavada na EEPROM???)
-			DEBUG_MSG("Mode Error!!\r\n");
-		break;
-	}
-
-	delay(1000); // cekame XX sekund na ulozeni atd...
-	ESP.restart();
-}
-
-// Start WiFi v rezimu AP pro nastaveni modulu
-wificonfigresult_t WiFiConfig::_setupAP(wificonfig_cb cb)
-{
-	String ssid = SETUP_SSID;
-
-	WiFi.persistent(false); // chranime flash pred zbytecnymi prepisy
-	dnsServer.reset(new DNSServer());
-	server.reset(new ESP8266WebServer(80));
-
-	/* Soft AP network parameters */
-	IPAddress apIP(192, 168, 4, 1);
-	IPAddress netMsk(255, 255, 255, 0);
-
-	WiFi.disconnect(); // pro jistotu se odpojime
-	WiFi.mode(WIFI_AP);
-
-	WiFi.softAPConfig(apIP, apIP, netMsk);
-	if (ssid.endsWith(F("?")))
-	{
-  		//uint8_t amac[6];
-  		char lmac[16];
-
-  		//WiFi.softAPmacAddress(amac);
-  		//sprintf_P(lmac, PSTR("%02X%02X%02X"), amac[3], amac[4], amac[5]);
-
-  		sprintf_P(lmac, PSTR("%06X"), ESP.getChipId());
-  		ssid.replace(F("?"), String(lmac));
-	}
-	WiFi.softAP(ssid.c_str(), NULL, SETUP_CHANNEL);
-	delay(500); // dulezite - jinak se nevraci spravna IP adresa !!! (udajne od verze 2.3.0 uz neni nutne)
-
-	dnsServer->setErrorReplyCode(DNSReplyCode::NoError);
-	dnsServer->start(DNS_PORT, "*", WiFi.softAPIP()); // spustime tzv. Captive portal - vsechny DNS dotazy jsou smerovany na nasi ip adresu
-	if (cb)
-		cb(WCS_CONFIGSTART); // signalizujeme start konfiguracniho serveru
-// Nastavime handlery weboveho serveru pro konfiguraci
-	server->onNotFound(std::bind(&WiFiConfig::_handleNotFound, this));
-	server->on(F("/config"), std::bind(&WiFiConfig::_handleDisplayAP, this));
-  server->on(F("/s"), std::bind(&WiFiConfig::_handleSetAP, this));
-  server->on(F("/r"), std::bind(&WiFiConfig::_handleReset, this));
-  server->on(F("/i"), std::bind(&WiFiConfig::_handleInfo, this));
-  server->on(F("/index.htm"), std::bind(&WiFiConfig::_handleRoot, this));
-	server->begin(); // startujeme webovy server
-	while (1)
-	{
-		server->handleClient(); // osetrujeme praci serveru
-		if (cb)
-			cb(WCS_CONFIGWAIT); // volame uzivatelsky callback (napr. signalizace)
-		dnsServer->processNextRequest();
-		yield(); // procesy uvnitr systemu ESP potrebuji take svuj cas
-		if (_timeout)
-		{
-			if (millis() > _time)
-			{
-				DEBUG_MSG("AP timeout\r\n");
-				if (cb)
-					cb(WCS_CONFIGTIMEOUT); // signalizujeme timeout
-				break; // ukoncime cekani a vracime se
-			}
-		}
-	}
-// tady by asi melo byt zastaveni weboveho a dns serveru...
-  dnsServer->stop();
-  server->stop();
-	return WCR_TIMEOUT; // nepripojeno, vyprsel timeout konfiguracniho AP
-}
-
-// Testovani, zda se modul pripojil k AP
-bool WiFiConfig::_testWifi(wificonfig_cb cb)
-{
-	uint32_t startt = millis();
-
-  DEBUG_MSG("Trying to connect.\r\n");
-	while ((millis() - startt) < WIFI_STA_CONNECT_TIMEOUT)
-	{
-		if (WL_CONNECTED == WiFi.status())
-		{
-  			DEBUG_MSG("Connected...\r\n");
-  			if (cb)
-  				cb(WCS_CONNECTED);
-			return true; // jsme pripojeni
-		}
-		yield();
-		if (cb)
-			cb(WCS_CONNECTING); // signalizujeme pokracujici pokus o spojeni
-	}
-  	DEBUG_MSG("Not connected!\r\n");
-  _status = wifi_station_get_connect_status();
-	return false; // pripojeni se nezdarilo
-}
-
-wificonfigresult_t WiFiConfig::begin(int configarea, uint8_t forceConfigure, wificonfig_cb cb)
-{
-	wificonfigresult_t result = WCR_OK; // predpokladame, ze se pripojeni podari
-
-	DEBUG_MSG("\r\n\r\n"); // oddeleni vypisu
-
-	configBase = configarea; // pocatek konfigurace v EEPROM
-	if (0 == forceConfigure)
-	{
-		DEBUG_MSG("Force config.\r\n");
-    _status = 0xff;
-		result = _setupAP(cb);
-	}
-	else
-	{
-		if (EEPROM.read(configBase + offsetof(wificonfigarea_t, mode)) != WiFi.getMode())
-		{ // neshoduje se rezim - musime spustit konfiguracni AP (poskozena konfigurace)
-			DEBUG_MSG("Wrong config\r\n");
-      _status = 0xfe;
-			result = _setupAP(cb);
-		}
-		else
-		{
-			String s = getEEPROMString(configBase + offsetof(wificonfigarea_t, devname), elementSize(wificonfigarea_t, devname));
-			strcpy(WiFiDeviceName, s.c_str());
-
-			switch (EEPROM.read(configBase + offsetof(wificonfigarea_t, mode)))
-			{
-			case WIFIMODE_STA:
-			{
-				WiFi.hostname(WiFiDeviceName); // nastavime jmeno zarizeni
-				DEBUG_MSG("STA mode.\r\n");
-				if (WC_DONT_RUN_CONFIGAP == _timeout)
-					result = WCR_CONFIGAP_NOT_STARTED; // nemame spoustet konfiguracni AP - vracime se hned
-				else
-				{
-					if (cb)
-						cb(WCS_CONNECTSTART); // signalizujeme zacatek pokusu o pripojeni
-					if (!_testWifi(cb))
-					{
-						result = _setupAP(cb); // modul se nepripojil - startujeme AP rezim
-					}
-				}
-			}
-			break;
-
-			case WIFIMODE_AP:
-				DEBUG_MSG("AP mode.\r\n");
-				if (cb)
-					cb(WCS_CONNECTSTART); // signalizujeme zacatek pokusu o pripojeni (zde se nic jineho stejne nestane...)
-			break;
-			}
-		}
-	}
-	return result; // mame vyreseno
-}
-
-wificonfigresult_t WiFiConfig::begin(int configarea, uint8_t forceConfigure, int timeout, wificonfig_cb cb = NULL)
-{
-	if (forceConfigure)
-	{ // pouze pokud nemame vynucenou konfiguraci merime cas - to nam umozni dostat se ze spatne zadaneho timeoutu, ktery se neda zvladnout
-		if ((timeout > 0) && (40 > timeout))
-			timeout = 40; // timeout musi byt minimalne 40 sekund
-		_timeout = timeout;
-		if (_timeout > 0)
-			_time = millis() + (_timeout * 1000); // spocitame si novy cas, kdy budeme modul restartovat
-	}
-	else
-		_timeout = 0; // pri vynucene konfiguraci se parametr timeout neuplatni
-	return begin(configarea, forceConfigure, cb); // spustime WiFi
-}
-// EOF

WiFiConfig.h

@@ -1,178 +0,0 @@
-/**
- * @file WiFiConfig.h
- * @author Pavel Brychta, http://www.xpablo.cz
- *
- * Copyright (c) 2015,16,17 Pavel Brychta. All rights 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
- *
- */
-
-/* Nastaveni ESP modulu, ktere pracuje takto:
- * 1. Pokud je forceConfigure ==0, tak se aktivuje WiFi v rezimu AP a cele ESP je mozne nastavit webovym rozhranim (pocitam s prenosem hodnoty nouzoveho tlacitka pri startu).
- * 2. Neni-li tlacitko stisknute, tak se vezme rezim prace a AP se nastavi dle nej (WIFI_STA a WIFI_AP)
- * 3. Pokud byl rezim prace WIFI_STA a ESP se nepripoji k zadne siti do casu WIFI_STA_CONNECT_TIMEOUT, tak se pokracuje jako kdyby bylo stisknute rekonfiguracni tlacitko
- */
-
-#ifndef __WiFiConfig_h__
-#define __WiFiConfig_h__
-
-#include <ESP8266WiFi.h>
-#include <memory>
-
-#define elementSize(type, element) sizeof(((type *)0)->element)
-
-#define WC_DONT_RUN_CONFIGAP -1 // priznak, ze si neprejeme spoustet konfiguracni AP (uziva se misto parametru timeout). Urceno pro bateriove napajene pristroje
-
-// Struktura konfigurace, ulozena v EEPROM
-typedef struct
-{
-	uint8_t mode; // rezim prace AP/STA
-	uint8_t ip; // konfigurace ip (staticka/DHCP)
-	char ssid[32]; // SSID site
-	char pass[64]; // heslo
-	char devname[32]; // jmeno zarizeni (pro NBNS plati jen 16 znaku)
-	uint32_t ipaddr; // ip adresa v pripade staticke konfigurace
-	uint32_t netmask; // sitova maska v pripade staticke konfigurace
-	uint32_t gateway; // sitova brana v pripade staticke konfigurace
-	uint32_t dns; // ip adresa DNS serveru v pripade staticke konfigurace
-	uint8_t apchannel; // kanal, na kterem pracuje AP (pokud je zapnuty rezim AP)
-} wificonfigarea_t;
-
-// Parametr, predany uzivatelske callback funkci, urceny pro aplikacni vizualizaci stavu konfigurace a pripojeni
-typedef enum
-{
-	WCS_CONNECTSTART = 0, // zacatek pokusu o pripojeni k ulozene konfiguraci
-	WCS_CONNECTING = 1, // probiha pokus o pripojeni
-	WCS_CONNECTED = 2, // pripojeni bylo uspesne
-	WCS_CONFIGSTART = 3, // zacatek startu konfiguracniho AP
-	WCS_CONFIGWAIT = 4, // cekame na nastaveni konfigurace pres web
-	WCS_CONFIGTIMEOUT = 5, // doslo k vyprseni timeoutu konfigurace, budeme se vracet s False jako vysledek z .begin(...)
-}wificonfigstate_t;
-
-// Navratovy parametr z volani begin() - udava, jak se podarilo WiFiConfig modulu pripojit k AP
-typedef enum
-{
-	WCR_OK = 0, // wifi pripojena/AP nastartovane (dle parametru v EEPROM)
-	WCR_TIMEOUT = 1, // wifi neni pripojena a vyprsel zadany timeout
-	WCR_CONFIGAP_NOT_STARTED = 2, // wifi neni pripojena a spusteni konfiguracniho AP bylo zakazane parametrem timeout (WC_DONT_RUN_CONFIGAP)
-}wificonfigresult_t;
-
-typedef void (*wificonfig_cb)(wificonfigstate_t state); // definice callbacku
-
-typedef void (*storeparam_cb)(const char *newvalue); // callback pro ulozeni uzivatelskeho parametru
-
-#ifndef WIFI_STA_CONNECT_TIMEOUT
- #define WIFI_STA_CONNECT_TIMEOUT 15000UL // delka cekani na pripojeni k AP [ms]
-#endif
-
-#ifndef SETUP_SSID
- #define SETUP_SSID "ESPPBSetup_?"
-#endif
-
-#ifndef SETUP_CHANNEL
- #define SETUP_CHANNEL 3
-#endif
-
-/**
- *  \brief Ziskani retezce z EEPROM ze zadaneho offsetu
- *
- *  \param [in] start Ofset zacatku retezce
- *  \param [in] len Delka retezce
- *  \return Vycteny retezec
- */
-String getEEPROMString(int start, int len);
-
-/**
- *  \brief Ulozeni retezce do EEPROM
- *
- *  \param [in] start Ofset zacatku ukladani
- *  \param [in] len Maximalni delka ulozeneho retezce
- *  \param [in] string Ukladany retezec
- */
-void setEEPROMString(int start, int len, String string);
-
-/**
- *  \brief Ziskani nasi ip adresy
- *
- *  \return Nase ip adresa, ziskana dle rezimu prace modulu
- */
-IPAddress getOurIP(void);
-
-/**
- *  \brief Ziskani nasi MAC adresy
- *
- *  \param [in] mac kam ma byt MAC adresa ulozena
- *  \return Ukazatel na ulozenou MAC adresu (vraci parametr mac)
- *
- *  \details Details
- */
-uint8_t * getOurMAC(uint8_t *mac);
-
-uint32_t getEEPROMuint32(int start);
-
-void setEEPROMuint32(int start, uint32_t val);
-
-extern char WiFiDeviceName[]; // jmeno zarizeni, pouzivane i pro DHCP
-
-class WiFiConfigUsrParameter
-{
-  public:
-    WiFiConfigUsrParameter(const char *id, const char *label, const char *defaultValue, int length, storeparam_cb cb);
-
-    const char *getID();
-    const char *getValue();
-    const char *getLabel();
-    int         getValueLength();
-	  void         setNext(WiFiConfigUsrParameter *n);
-	  WiFiConfigUsrParameter *getNext();
-	  void		setNewValue(const char *newval);
-  private:
-    const char *_id;
-    const char *_label;
-    char       *_value;
-    int         _length;
-
-	storeparam_cb _cb;
-	WiFiConfigUsrParameter *_next;
-
-    friend class WiFiConfig;
-};
-
-class WiFiConfig
-{
-public:
-	WiFiConfig(): _params(NULL), _timeout(0) {}
-	wificonfigresult_t begin(int configarea, uint8_t forceConfigure, wificonfig_cb cb);
-	wificonfigresult_t begin(int configarea, uint8_t forceConfigure, int timeout, wificonfig_cb cb);
-    void addParameter(WiFiConfigUsrParameter *p);
-private:
-	wificonfigresult_t _setupAP(wificonfig_cb cb);
-	void _handleDisplayAP(void);
-	void _handleSetAP(void);
-  void _handleInfo(void);
-  void _handleReset(void);
-	void _handleNotFound(); // CaptivePortal redirector
-  void _handleRoot(); // jen jednoducha stranka kvuli CaptivePortalu umoznuje prejit na spravnou stranku (ale nedela to...)
-  bool _testWifi(wificonfig_cb cb);
-	WiFiConfigUsrParameter *_searchUsrParameter(const char *name);
-	void _plusDecode(String &s);
-
-	WiFiConfigUsrParameter *_params; // ukazatel na posledni zadany uzivatelsky parametr
-	int _timeout; // timeout pri cekani na konfiguraci
-	uint32_t _time; // hodnota, po ktere bude ESP restartovano (pokud je _timeout != 0)
-  uint8_t _status; // stav pripojeni - je pouzity pro signalizaci duvodu, proc se nepripoji k AP
-};
-#endif

embHTML.h

@@ -1,121 +0,0 @@
-// file:///I:/MyProjects/PB_ESP8266_WiFiConfig_Vyvoj/doc/_testy/s?_s=SSID1&_p=heslo&_n=jmeno_zarizeni&_a=on&_st=on&_i=192.168.1.1&_m=255.255.255.0&_g=192.168.1.3&_d=192.168.1.3&{n}={v}
-static const char TEXTHTML[] PROGMEM = "text/html";
-
-static const char PAGE_INDEX1[] PROGMEM = R"=====(
-<!DOCTYPE html><html lang="en"><head><meta charset= "utf-8"><meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no">
-<title>xPablo.cz Setup</title>
-<style>
-.c{text-align: center;}
-div,input{padding:5px;font-size:1em;}
-input{width:95%;}
-body{text-align: center;font-family:verdana;}
-button{border:0;border-radius:0.3rem;background-color:#1fa3ec;color:#fff;line-height:2.4rem;font-size:1.2rem;width:100%;}
-.q{float: right;width: 64px;text-align: right;}
-.l{background: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACAAAAAgCAMAAABEpIrGAAAALVBMVEX///8EBwfBwsLw8PAzNjaCg4NTVVUjJiZDRUUUFxdiZGSho6OSk5Pg4eFydHTCjaf3AAAAZElEQVQ4je2NSw7AIAhEBamKn97/uMXEGBvozkWb9C2Zx4xzWykBhFAeYp9gkLyZE0zIMno9n4g19hmdY39scwqVkOXaxph0ZCXQcqxSpgQpONa59wkRDOL93eAXvimwlbPbwwVAegLS1HGfZAAAAABJRU5ErkJggg==") no-repeat left center;background-size: 1em;}
-#rssiBar{width: 100px;height: 15px;background: #fff;}
-#rssiBar > div{width: 52px;height: 15px;background: #c20000;}
-</style>
-<script>
-function c(l){document.getElementById('_s').value=l.innerText||l.textContent;document.getElementById('_p').focus();}
-function hAP(){if (document.getElementById('_a').checked){document.getElementById('apconfig').style.display = 'block';}else{document.getElementById('apconfig').style.display = 'none';}}
-function hSC(){if (document.getElementById('_st').checked){document.getElementById('staticip').style.display = 'block';}else{document.getElementById('staticip').style.display = 'none';}}
-</script>
-</head><body><h1>ESP8266 WiFiConfig</h1><div style='text-align:left;display:inline-block;min-width:260px;'>
-)=====";
-
-/* Polozky nalezenych SSID
-{v} - SSID
-{a} - RSSI (primo v dBm)
-{s} - bud nic, nebo 'l'>
-*/
-static const char SSID_ITEM[] PROGMEM = R"=====(
-<div><a href='#p' onclick='c(this)'>{v}</a>&nbsp;<span class='q {s}'><meter value="{a}" min="0" max="100" low="30" high="80" optimum="50" style="width: 70%;"></meter></span></div>
-)=====";
-
-/* Zacatek formulare pro vyplneni
-{s} - SSID
-{p} - password
-{n} - Netbios name
-{a} - AP mode (checkbox)
-{ch}- cislo kanalu AP
-{c} - staticka IP konfigurace (checkbox)
-{i} - ip adresa
-{m} - maska
-{g} - brana
-{d} - dns server
-*/
-static const char PAGE_INDEX2[] PROGMEM = R"=====(
-<form method='post' action='s'>
-<label>SSID<br><input id='_s' name='_s' maxlength=32 required {s}></label><br>
-<label>Heslo<br><input id='_p' name='_p' maxlength=64 {p} type='password'></label><br>
-<label>Jméno zařízení<br><input name='_n' maxlength=32 pattern='^[a-zA-Z][a-zA-Z0-9-_\\.]{1,32}$' title='Jméno dle NetBios konvence (max. 16 znaků písmena, čísla a znaky "_.")' {n}></label><br>
-<div>
-<label><input id='_a' name='_a' type='checkbox' style="width: 10%; float: left; margin-top: 5px;" onclick='hAP();' {a}>Režim AP</label>
-<div id="apconfig">
-<label>Kanál<br><input type="number" name="_ch" min="1" max="13" title='cislo kanalu v intervalu 1-13' value='{ch}'></label><br>
-</div>
-</div>
-<div>
-<label><input id='_st' name='_st' type='checkbox' style="width: 10%; float: left; margin-top: 5px;" onclick='hSC();' {a}>Staticka IP konfigurace</label>
-<div id="staticip">
-<label>IP adresa<br><input type="text" name="_i" pattern='((^|\.)((25[0-5])|(2[0-4]\d)|(1\d\d)|([1-9]?\d))){4}$' title='ip adresa ve formatu <cislo>.<cislo>.<cislo>.<cislo>' value='{i}'></label><br>
-<label>Síťová maska<br><input type="text" name="_m" pattern='((^|\.)((25[0-5])|(2[0-4]\d)|(1\d\d)|([1-9]?\d))){4}$' title='ip adresa ve formatu <cislo>.<cislo>.<cislo>.<cislo>' value='{m}'></label><br>
-<label>Síťová brána<br><input type="text" name="_g" pattern='((^|\.)((25[0-5])|(2[0-4]\d)|(1\d\d)|([1-9]?\d))){4}$' title='ip adresa ve formatu <cislo>.<cislo>.<cislo>.<cislo>' value='{g}'></label><br>
-<label>Server DNS<br><input type="text" name="_d" pattern='((^|\.)((25[0-5])|(2[0-4]\d)|(1\d\d)|([1-9]?\d))){4}$' title='ip adresa ve formatu <cislo>.<cislo>.<cislo>.<cislo>' value='{d}'></label><br>
-</div>
-</div>
-<script>hAP();hSC();</script>
-)=====";
-
-// Uzivatelsky pridane polozky
-static const char PAGE_PARAM_HDR[] PROGMEM = R"=====(
-<hr>
-<h2>Uživatelské položky</h2>
-)=====";
-
-static const char PAGE_PARAM[] PROGMEM = R"=====(
-<label>{t}<br><input name='{n}' maxlength='{l}' value='{v}'></label><br>
-)=====";
-
-// Konec formulare a stranky
-static const char PAGE_END[] PROGMEM = R"=====(
-<br>
-<button type='submit'>Uložit a restartovat</button></form>
-</div></body></html>
-)=====";
-
-// Nenalezeno zadne SSID
-static const char PAGE_NO_SSID[] PROGMEM = R"=====(
-<div>Nenalezená žádná síť. Občerstvi stránku pro nové hledání.</div>
-)=====";
-
-// Konfigurace ulozena - restartuji...
-static const char PAGE_SAVED[] PROGMEM = R"=====(
-<!DOCTYPE html><html lang="cs"><head><meta http-equiv="refresh" content="10;url=/"/>
-<meta charset="utf-8" name="viewport" content="width=device-width, initial-scale=1"/>
-<title>xPablo Setup - Konfigurace uložena</title>
-<style>div,input {margin-bottom: 5px;}body{width:200px;display:block;margin-left:auto;margin-right:auto;}</style>
-</head><body>
-Uloženo do EEPROM...<br/>
-Restart za 10 sekund.
-</body></html>
-)=====";
-
-static const char PAGE_CAPTIVEPORTALCATCH[] PROGMEM = R"=====(
-<!DOCTYPE html><html lang="cs"><head><meta charset="utf-8" name="viewport" content="width=device-width, initial-scale=1, user-scalable=no"/><title>xPablo.cz Setup</title>
-<style>.c{text-align: center;} div,input{padding:5px;font-size:1em;} input{width:95%;} body{text-align: center;font-family:verdana;} button{border:0;border-radius:0.3rem;background-color:#1fa3ec;color:#fff;line-height:2.4rem;font-size:1.2rem;width:100%;} .q{float: right;width: 64px;text-align: right;}
-.vl-info {border-left: thick solid #1fa3ec;background: #cee6ff; text-align:left; display:inline-block; min-width:260px; margin-top:15px}
-.red { background-color: #ff0000;}
-</style>
-</head><body><div style='text-align:left;display:inline-block;min-width:260px;'>
-<form action="/config" method="get"><button>Konfigurace WiFi</button></form><br/><form action="/i" method="get"><button>Informace o modulu</button></form><br/><form action="/r" method="post"><button class="red">Reset</button></form><br>
-)=====";
-
-// druha cast (mezi 1. a druhou cast muzeme doplnit dodatecne informace)
-static const char PAGE_CAPTIVEPORTALCATCH2[] PROGMEM = R"=====(
-</div></body></html>
-)=====";
-
-static const char PAGE_RESTART[] PROGMEM = R"=====(
-  Restartuji...
-)=====";

examples/WiFiConfig_simple_test/WiFiConfig_simple_test.ino

@@ -1,129 +1,143 @@
-#include <ESP8266WiFi.h>
+#if defined(ARDUINO_ARCH_ESP8266)
-#include <ESP8266WebServer.h>
+#  include <ESP8266WiFi.h>
+#  include <ESP8266WebServer.h>
+#  include <ESP8266NetBIOS.h>
+#else
+#  include <WiFi.h>
+#  include <WebServer.h>
+#  include <NetBIOS.h>
+#endif
 #include <ArduinoOTA.h>
-#include <EEPROM.h>
+#include <WiFiConfig.h>
-#include "src/espnbns/espnbns.h"
+#include <sysvars.hpp>
-#include "src/WiFiConfig/WiFiConfig.h"
 
 // Plati pro desticku Witty s modulem ESP-12E
 #define PIN_FORCE_CONFIG 4
-#define PIN_LED_RED 15
-#define PIN_LED_GREEN 12
-#define PIN_LED_BLUE 13
 
 //#define DEBUG_OUT(a) {}
 #define DEBUG_OUT(a) Serial.print(a)
 
+char WiFiDeviceName[32]; // misto pro jmeno zarizeni (dodane do DNS, DHCP NBNS apod...)
+#if defined(ARDUINO_ARCH_ESP8266)
 ESP8266WebServer wwwserver(80); // webovy server
-String content;
+#else
-NBNS nbns; // Netbios (xPablo.cz)
+WebServer wwwserver(80); // webovy server
+#endif
+
+static char MAINPAGE[] PROGMEM = R"=====(<!DOCTYPE HTML>
+<html>
+    Hello world from ESP8266
+    <p>
+</html>
+)=====";
 
 static void handleRoot(void)
 {
 
-  content = F("<!DOCTYPE HTML>\n<html>Hello world from ESP8266");
+    wwwserver.send_P(200, "text/html", MAINPAGE);
-  content += F("<p>");
-  content += F("</html>");
-
-  wwwserver.send(200, "text/html", content);
 }
 
 void ICACHE_FLASH_ATTR wcb(wificonfigstate_t state)
 {
 
-  switch (state)
+    switch (state) {
-  {
     case WCS_CONNECTSTART:
-      DEBUG_OUT(F("Starting connect...\r\n"));
+        DEBUG_OUT(F("Starting connect...\r\n"));
-      break;
+        break;
 
     case WCS_CONNECTING:
-      break;
+        break;
 
     case WCS_CONNECTED:
-      DEBUG_OUT(F("Connected.\r\n"));
+        DEBUG_OUT(F("Connected.\r\n"));
-      break;
+        break;
 
     case WCS_CONFIGSTART:
-      DEBUG_OUT(F("Starting config...\r\n"));
+        DEBUG_OUT(F("Starting config...\r\n"));
-      break;
+        break;
 
     case WCS_CONFIGWAIT:
-      break;
+        break;
-  }
+
+    case WCS_CONFIGTIMEOUT:
+        DEBUG_OUT(F("Config timeout...\r\n"));
+        break;
+    }
 }
 
-void saveServer(const char *param)
+void ICACHE_FLASH_ATTR saveDevname(const char *param)
 {
+    String p = param;
 
-  DEBUG_OUT(param);
+    svSetV(F("devname"), p);
 }
 
 void ICACHE_FLASH_ATTR setup()
 {
-  WiFiConfig wifi; // konfigurace ESP modulu
+    WiFiConfig wifi; // konfigurace ESP modulu
-  WiFiConfigUsrParameter testOnly("server", "adresa serveru", "Default server", 32, saveServer);
+    WiFiConfigUsrParameter devname("devname", "Jméno zařízení", (const char *)WiFiDeviceName, 32, saveDevname);
 
-  EEPROM.begin(512); // zahajujeme praci s EEPROM
+    LittleFS.begin();
-  pinMode(PIN_FORCE_CONFIG, INPUT_PULLUP); // pin, co slouzi jako vstup tlacitka
-  int fc = digitalRead(PIN_FORCE_CONFIG); // pozadavek na vynucene vyvolani konfigurace
-  Serial.begin(9600);
-  wifi.addParameter(&testOnly);
-  if (WCR_OK != wifi.begin(0, fc, wcb)) // startujeme pripojeni
-    ESP.restart();
 
-  wwwserver.on("/", handleRoot);
+    pinMode(PIN_FORCE_CONFIG, INPUT_PULLUP); // pin, co slouzi jako vstup tlacitka
-  wwwserver.begin(); // startujeme webovy server
+    int fc = digitalRead(PIN_FORCE_CONFIG); // pozadavek na vynucene vyvolani konfigurace
+    Serial.begin(115200);
+    String dn = svGetV<String>(F("devname"));
+    strcpy(WiFiDeviceName, dn.c_str());
+    wifi.addParameter(&devname);
 
-  if (strlen(WiFiDeviceName) > 0)
+    if (WCR_OK != wifi.begin(fc, wcb)) // startujeme pripojeni
-  {
+        ESP.restart();
-    nbns.begin(WiFiDeviceName);
-    ArduinoOTA.setHostname(WiFiDeviceName);
-  }
 
-  ArduinoOTA.onStart([]() {
+    wwwserver.on("/", handleRoot);
-    DEBUG_OUT(F("Start\r\n"));
+    wwwserver.begin(); // startujeme webovy server
-  });
-  ArduinoOTA.onEnd([]() {
-    DEBUG_OUT(F("End\r\n"));
-  });
-  ArduinoOTA.onError([](ota_error_t error) {
-    DEBUG_OUT(F("Error["));
-    DEBUG_OUT(error);
-    DEBUG_OUT(F("]: "));
-    switch (error)
-    {
-      case OTA_AUTH_ERROR:
-        DEBUG_OUT(F("Auth Failed\r\n"));
-        break;
 
-      case OTA_BEGIN_ERROR:
+    if (strlen(WiFiDeviceName) > 0) {
-        DEBUG_OUT(F("Begin Failed\r\n"));
+        NBNS.begin(WiFiDeviceName);
-        break;
+        ArduinoOTA.setHostname(WiFiDeviceName);
-
-      case OTA_CONNECT_ERROR:
-        DEBUG_OUT(F("Connect Failed\r\n"));
-        break;
-
-      case OTA_RECEIVE_ERROR:
-        DEBUG_OUT(F("Receive Failed\r\n"));
-        break;
-
-      case OTA_END_ERROR:
-        DEBUG_OUT(F("End Failed\r\n"));
-        break;
-
-      default:
-        DEBUG_OUT(F("\r\n"));
     }
-  });
+
-  ArduinoOTA.begin();
+    ArduinoOTA.onStart([]() {
+        DEBUG_OUT(F("Start\r\n"));
+    });
+    ArduinoOTA.onEnd([]() {
+        DEBUG_OUT(F("End\r\n"));
+    });
+    ArduinoOTA.onError([](ota_error_t error) {
+        DEBUG_OUT(F("Error["));
+        DEBUG_OUT(error);
+        DEBUG_OUT(F("]: "));
+        switch (error) {
+        case OTA_AUTH_ERROR:
+            DEBUG_OUT(F("Auth Failed\r\n"));
+            break;
+
+        case OTA_BEGIN_ERROR:
+            DEBUG_OUT(F("Begin Failed\r\n"));
+            break;
+
+        case OTA_CONNECT_ERROR:
+            DEBUG_OUT(F("Connect Failed\r\n"));
+            break;
+
+        case OTA_RECEIVE_ERROR:
+            DEBUG_OUT(F("Receive Failed\r\n"));
+            break;
+
+        case OTA_END_ERROR:
+            DEBUG_OUT(F("End Failed\r\n"));
+            break;
+
+        default:
+            DEBUG_OUT(F("\r\n"));
+        }
+    });
+    ArduinoOTA.begin();
 
 }
 
 void loop()
 {
-  wwwserver.handleClient(); // osetrujeme praci serveru
+    wwwserver.handleClient(); // osetrujeme praci serveru
-  ArduinoOTA.handle();
+    ArduinoOTA.handle();
-  nbns.poll();
 }

history.txt

@@ -0,0 +1,91 @@
+/*
+ * v7.0.0- 4.3.2021  - verze s konfiguraci v JSON na souborovem systemu
+ *
+ * v6.4.0- 27.2.2021 - funkcni inicializace konfigurace
+ *
+ * v6.3.5-28.11.2020 - moznost nadefinovat titulek webove stranky a popisek okna v prohlizeci pomoci WIFICONFIG_TITLE a WIFICONFIG_WEBTITLE
+ *
+ * v6.3.4-23.3.2020 - staticka konfigurace v AP rezimu funkcni
+ *
+ * v6.3.3-27.10.2019 - volani WS_CONNECTED i v pripade, ze bezi AP
+ *
+ * v6.3.2- 4.10.2019 - Informace o aplikaci a jeji verzi do footeru, zrychlen restart z 10 na 5 sekund, vylepsena stranka pro reset
+ *                      verze pro ESP32 zobrazuje neco malo informaci o stavu pripojeni a duvodu vstupu do WifiConfig
+ *
+ * V6.3.1- 1.9.2019 - Odstraneni HTML5 validatoru - delaly akorat problemy a nedala se ulozit konfigurace i kdyz byly polozky skryty
+ *
+ * V6.3 - 12.8.2019 - IP adresa Captive portalu je zmenena na 172.217.28.1 kvuli funkcnosti na Android zarizenich (viz. zmena zde https://github.com/esp8266/Arduino/blob/master/libraries/DNSServer/examples/CaptivePortal/CaptivePortal.ino)
+ *             ladici vypis pri zachyceni presmerovani v Captive portalu.
+ *
+ * V6.2 - 12.12.2018- Nastaveni jmena zarizeni nadale NENI soucasti WiFiConfig a je treba ho pridat jako uzivatelsky parametr. Je to proto, protoze
+ *             se ukazalo, ze neni dobre z externiho kodu sahat do vnitrni struktury WiFiConfig (napr. pri ukladani noveho jmena).
+ *
+ * V6.1 - 11.12.2018- Sifrovani retezcu vytazeno mimo WiFiConfig do knihovny encipheredEEPROMStrings (dostupna na gitu) kvuli pristupu i jinych modulu
+ *
+ * V6.0 - 20.11.2018- Verze i pro ESP32
+ *
+ * V5.9 - 18.7.2018 - Retezce, ukladane do EEPROM jsou primitivnim zpusobem sifrovany pro ztizeni odhaleni SSID a hesla pri dumpu pameti
+ *
+ * V5.8 - 5.7.2018 - Opraveno spatne zobrazovani sily signalu v prehledu WiFi siti (spatne barvy)
+ *
+ * V5.7 - 4.7.2018 - BugFix - staticka konfigurace ip adresy se neuplatnila - vypada to, jako kdyby SDK ukladalo SSID a Password, ale uz neuklada
+ *            konfiguraci ip adres, takze je treba je vzdycky nastavit znovu
+ *
+ * V5.6 - 1.7.2018 - BugFix - odstraneno volani _plusDecode, protoze parametry jsou nyni predavany v 'ciste' forme uz z weboveho serveru a tato metoda znehodnotila retezce, ktere obsahovaly ynak '+'
+ *
+ * V5.5 - 3.6.2018 - Flash Chip ID a ESP Chip ID jsou zobrazeny hexadecimalne v prehledove strance
+ *
+ * V5.4 - 9.1.2018 - na titulni stranku pridan duvod, proc je spusteny konfiguracni AP. Usnadni to diagnostiku pripadu, kdy se ESP nechce pripojit k AP.
+ *
+ * V5.3 - 8.12.2017 - prepracovano presmerovani v Captive portalu, DEBUG_MSG makro upraveno na posledni pouzivanou verzi, scitani retezcu prepracovano na .concat. Pripsany Informace o modulu, reakce na Reset
+ *
+ * V5.2 - 20.4.2017 - Pokud je pouzite v timeoutu WC_DONT_RUN_CONFIGAP tak se vracime okamzite a necekame na pripojeni k WiFi (take nevolame zadnou callback metodu).
+ *            Navratovy kod je pak WCR_CONFIGAP_NOT_STARTED .
+ *
+ * V5.1 - 3.4.2017  - Webove rozhrani upravene pro snadnejsi ovladani na telefonu/tabletu, sila signalu AP zobrazena jako barevne odliseny indikator.
+ *
+ * V5.0 - 29.10.2016- Vyuziti vlastnosti ESP, ktere si uklada wifi konfiguraci do sve vlastni flash oblasti, takze nemusim vse konfigurovat znovu po startu - doufam, ze se tim zrychli asociace s AP
+ *            kvuli bateriove napajenym pristrojum.
+ *
+ * V4.7 - 30.8.2016 - Metody .begin se nyni vraci s wificonfigresult_t (podarilo se pripojit k AP, nepodarilo se pripojit a vyprsel timeout pro konfiguracni AP, nepodarilo se pripojit, ale je zakazane spousteni konfiguracniho AP).
+ *            ESP NYNI NENI RESETOVAN PO VYPRSENI TIMEOUTU!!!! Je to kvuli bateriovym cidlum a DeepSleep rezimu v situaci, kdy zmizi AP, ke kteremu se bezne pripojujeme
+ *            Odstraneno odesilani reakce na generate_204 (viz. https://github.com/tzapu/WiFiManager/issues/114)
+ *            Zbytek MAC adresy v pripadnem SSID je nyni vzdy velkymi pismeny (UAA Unique Address Assignment)
+ *            Kvalita signalu jednotlivych AP je nyni uvadena v % namisto uzivatelum nic nerikajicich -dBm
+ *            Pokud do polozky timeout v .begin() metode zadame hodnotu WC_DONT_RUN_CONFIGAP, tak i po neuspesnem pokusu o pripojeni do site NENI spusteny konfiguracni AP (bateriove pristroje, stale bezici pristroje)
+ *
+ * V4.6 - 26.7.2016 - Moznost nastavit cislo kanalu pro rezim AP, nove eye-candy rozhrani.
+ *
+ * V4.5 - 20.7.2016 - Moznost konfigurovat cislo kanalu pro nastavovaci AP (default je 3), po nacteni konfiguracni stranky je nastaveny timeout na 6 minut, pokud je ve jmenu SSID pro konfiguracni
+ *            AP znak ? (otaznik), tak je tento nahrazen HEXASCII reprezentaci 3 poslednich bytu MAC adresy AP (POZOR!!! je jina, nez STA!!!)
+ *
+ * V4.4 - 10.7.2016 - Zmena nazvu vsech privatnich metod (doplnene uvodni podtrzitko _). Pokud tam nebylo, tak napriklad nesel prelozit skript s handleNotFound pokud nebyl dopredne deklarovany (asi zmatek v Arduino preprocesoru)
+ *
+ * V4.3 - 23.6.2016 - Kazde nacteni webove stranky prodluzuje pripadny timeout pro restart zarizeni.
+ *
+ * V4.2 - 10.6.2016 - DNSServer a WebServer ukazatele jsou nyni staticke primo v modulu WiFiConfig. Predchozi verze neumoznila soucasne pouziti s knihovnami ESPAsyncWebServer z duvodu kolize nekterych definic HTTP metod
+ *
+ * V4.1 - 18.5.2016 - Nenechame SDK ukladat WiFi konfiguraci do Flash (setrime prepisy)
+ *
+ * V4.0 - 10.4.2016 - pridana moznost staticke konfigurace ip parametru. POZOR!!!! ukladani dat do EEPROM (verejne funkce) nyni nevolaji automaticky commit() kvuli snizeni poctu prepisu Flash EEPROM
+ *            pridana moznost timeoutu pro konfiguracni AP. Pokud timeout vyprsi, tak se zarizeni automaticky restartuje, coz vyvola novy pokus o pripojeni.
+ *
+ * V3.0 - 27.2.2016 - pridana presmerovavaci stranka kvuli Captive portalu, doplneno servirovani favicon.ico, doplnena moznost zadavani uzivatelskych parametru, www server a DNS server jsou dynamicky vytvareny
+ *
+ * V2.4 - 7.2.2016  - upraveno casovani pri pripojovani k AP (zmizel delay(100))
+ *
+ * V2.3 - 5.2.2016  - pridano zverejneni jmena hosta a nastaveni tohoto jmena pro DHCP apod.
+ *
+ * V2.2 - 19.1.2016 - pridan Captive portal pri konfiguracnim AP.
+ *
+ * V2.1 - 20.9.2015 - pridano zadavani jmena zarizeni. Modul ho sice nevyuziva, ale aplikace ano a v pripade DHCP se dost hodi.
+ *
+ * V2.0 - 30.8.2015 - Podstatnym zpusobem vylepsena signalizace vnitrniho stavu, presunuto ulozeni rezimu (commit je uz zbytecny - udela se pri ukladani retezcu - uspora kodu/setreni prepisu pameti Flash)
+ *
+ * V1.2 - 23.8.2015 - BugFix - pridan chybejici eeprom.commit() po ulozeni rezimu prace
+ *
+ * V1.1 - 5.8.2015 - pridana moznost volani callback metody pri behu konfiguracniho AP (signalizace stavu uzivatelskym zpusobem)
+ *
+ * V1.0 - publikace na www.xpablo.cz
+ *
+ */

library.json

@@ -0,0 +1,33 @@
+{
+  "name":"WiFiConfig",
+  "description":"Web based WiFi part configuration for the ESP8266 and ESP32 SoC",
+  "keywords":"wifi, configuration",
+  "authors":
+  {
+    "name": "Pavel Brychta",
+    "maintainer": true
+  },
+  "repository":
+  {
+    "type": "git",
+    "url": "https://git.xpablo.cz/pablo2048/WiFiConfig.git"
+  },
+  "dependencies": [
+    {
+      "name":"encString",
+      "version":"https://git.xpablo.cz/xPablo.cz/encString.git"
+    },
+    {
+      "name":"sysvars",
+      "version":"https://git.xpablo.cz/xPablo.cz/sysvars.git"
+    }
+  ],
+  "version": "7.0.0",
+  "license": "MIT",
+  "frameworks": "arduino",
+  "platforms": ["espressif8266", "espressif32"],
+  "build": {
+    "libCompatMode": 2,
+    "libLDFMode": "deep"
+  }
+}

library.properties

@@ -1,9 +1,9 @@
 name=WiFiConfig
-version=5.4.0
+version=7.0.0
 author=Pavel Brychta
-maintainer=Pavel Brychta <Pablo@xpablo.cz>
+maintainer=Pavel Brychta <pablo@xpablo.cz>
 sentence=Enables seamless module configuration.
-paragraph=With this library you can enable your ESP8266 module to be configured over network. Includes Captive Portal for easy configuration.
+paragraph=With this library you can enable your ESP8266 or ESP32 module to be configured over WiFi. Includes Captive Portal for easy configuration.
 category=Other
-url=http://www.xpablo.cz
+url=https://www.xpablo.cz
-architectures=esp8266
+architectures=esp8266,esp32

src/WiFiConfig.cpp

@@ -0,0 +1,925 @@
+#if defined(ESP32)
+# include <rom/rtc.h> // duvod resetu (https://github.com/espressif/arduino-esp32/issues/449)
+#endif
+#include "WiFiConfig.h"
+#include <sysvars.hpp>
+#include "embHTML.h"
+#include <encString.hpp>
+#include <definefs.hpp>
+#include <FS.h>
+#ifdef USE_WIFICONFIG_FSEDITOR
+# include <SPIFFSEditor.h>
+# include <FSWebEditor.h>
+#endif
+#ifdef USE_WIFICONFIG_ARDUINO_OTA
+# include <ArduinoOTA.h>
+#endif
+
+#if defined(ESP8266)
+// ESP8266
+# define SETHOSTNAME(a) WiFi.hostname(a)
+#else
+// ESP32
+# define SETHOSTNAME(a) WiFi.setHostname(a)
+#endif
+
+#ifndef DEBUG_MSG
+# ifdef DEBUG_ESP_PORT
+#  define DEBUG_MSG(_1, ...) DEBUG_ESP_PORT.printf_P(PSTR(_1), ##__VA_ARGS__)
+# else
+#  define DEBUG_MSG(...)
+# endif
+#endif
+
+#if defined(ESP8266)
+extern "C" {
+# include "user_interface.h"
+}
+#else
+# include <esp_wifi.h>
+#endif
+
+String WifiConfigAPSSID(void) __attribute__((weak));
+
+#define DNS_PORT 53
+
+extern char WiFiDeviceName[];
+
+static const char CHECKED[] PROGMEM = "checked='checked'";
+
+static bool _doReconfig = false; // TODO: mozna nejak elegantneji? Ale zase setrime RAM...
+
+String WifiConfigAPSSID(void)
+{
+    String ssid = F(SETUP_SSID);
+
+    return ssid;
+}
+
+static uint32_t ESP_getChipId(void)
+{
+#if defined(ESP8266)
+    return ESP.getChipId();
+#else
+    uint32_t id = 0;
+
+    for (int i = 0; i < 17; i = i + 8) {
+        id |= ((ESP.getEfuseMac() >> (40 - i)) & 0xff) << i;
+    }
+    return id;
+#endif
+}
+
+IPAddress getOurIP(void)
+{
+    IPAddress ipa;
+    WiFiMode_t wm = WiFi.getMode();
+
+    switch (wm) {
+    case WIFI_STA:
+        ipa = WiFi.localIP();
+        break;
+
+    case WIFI_AP:
+        ipa = WiFi.softAPIP();
+        break;
+
+    default:
+        ipa = IPAddress(0, 0, 0, 0); // nelze urcit ip adresu (bud je AP + STA aktivni, nebo je vypnute WiFi)
+        break;
+    }
+    return ipa;
+}
+
+uint8_t * getOurMAC(uint8_t *mac)
+{
+
+    if (WIFIMODE_STA == svGetV<int>(F("mode"), nullptr, F(WIFICFG_FILE)))
+        return WiFi.macAddress(mac);
+    else
+        return WiFi.softAPmacAddress(mac);
+}
+
+WiFiConfigUsrParameter::WiFiConfigUsrParameter(const char *id, const char *label, const char *defaultValue, unsigned int length, storeparam_cb cb)
+{
+    _cb = cb;
+    _id = id;
+    _label = label;
+    _length = length;
+    _value = new char[length + 1];
+    _value[0] = 0;
+    if (defaultValue != NULL) {
+        strncpy(_value, defaultValue, length);
+    }
+}
+
+const char* WiFiConfigUsrParameter::getValue()
+{
+
+    return _value;
+}
+
+const char* WiFiConfigUsrParameter::getID()
+{
+
+    return _id;
+}
+
+const char* WiFiConfigUsrParameter::getLabel()
+{
+
+    return _label;
+}
+
+int WiFiConfigUsrParameter::getValueLength()
+{
+
+    return _length;
+}
+
+void WiFiConfigUsrParameter::setNext(WiFiConfigUsrParameter *n)
+{
+
+    _next = n;
+}
+
+WiFiConfigUsrParameter *WiFiConfigUsrParameter::getNext()
+{
+
+    return _next;
+}
+
+void WiFiConfigUsrParameter::setNewValue(const char *newval)
+{
+
+    if (0 != strcmp(_value, newval))
+        _cb(newval);
+}
+
+WiFiConfigUsrParameter *WiFiConfig::_searchUsrParameter(const char *name)
+{
+    WiFiConfigUsrParameter *ptr = _params;
+
+    while (NULL != ptr) {
+        if (0 == strcmp(name, ptr->getID()))
+            break;
+        ptr = ptr->getNext();
+    }
+    return ptr;
+}
+
+void WiFiConfig::addParameter(WiFiConfigUsrParameter *p)
+{
+    p->setNext(_params);
+    _params = p;
+}
+
+String WiFiConfig::infoProcessor(const String & var)
+{
+
+    if (var == F("SDK")) {
+#if defined(ESP8266)
+        return ESP.getFullVersion();
+#else
+    // TODO
+        return ESP.getSdkVersion();
+#endif
+    } else if (var == F("FS")) {
+#if defined(ESP8266)
+        return String(ESP.getFlashChipRealSize() / 1024);
+#else
+    // TODO
+        return String(ESP.getFlashChipSize());
+#endif
+    } else if (var == F("SS")) {
+        return String(ESP.getSketchSize() / 1024);
+    } else if (var == F("FSS")) {
+        return String(ESP.getFreeSketchSpace() / 1024);
+    } else if (var == F("STAMAC")) {
+        uint8_t mac[6];
+        uint8_t* macread = WiFi.macAddress(mac);
+        char macaddress[20];
+
+        sprintf_P(macaddress, PSTR("%02x:%02x:%02x:%02x:%02x:%02x"), macread[0], macread[1], macread[2], macread[3], macread[4], macread[5]);
+        return String(macaddress);
+    } else if (var == F("APMAC")) {
+        uint8_t mac[6];
+        char macaddress[20];
+        uint8_t *macread = WiFi.softAPmacAddress(mac);
+
+        sprintf_P(macaddress, PSTR("%02x:%02x:%02x:%02x:%02x:%02x"), macread[0], macread[1], macread[2], macread[3], macread[4], macread[5]);
+        return String(macaddress);
+    } else if (var == F("ESPID")) {
+        char buff[8];
+
+        sprintf_P(buff, PSTR("%06X"), ESP_getChipId());
+        return String(buff);
+    } else if (var == F("FID")){
+#if defined(ESP8266)
+        char buff[10];
+
+        sprintf_P(buff, PSTR("%08X"), ESP.getFlashChipId());
+        return String(buff);
+#endif
+    }
+    return String(F("???"));
+}
+
+String WiFiConfig::apProcessor(const String &var)
+{
+
+    if (var == F("USER")) {
+        String result;
+        if (_params) {
+            WiFiConfigUsrParameter *up = _params;
+            char buff[128];
+
+            result.reserve(1024);
+            result = FPSTR(PAGE_PARAM_HDR);
+            while (NULL != up) {
+                sprintf_P(buff, PAGE_PARAM, up->getLabel(), up->getID(), up->getValueLength(), up->getValue());
+                result.concat(buff);
+                up = up->getNext();
+            }
+        }
+        return result;
+    } else if (var == F("SSID")) {
+        String result =  svGetV<String>(F("ssid"), nullptr, F(WIFICFG_FILE));
+
+        strDecode(result);
+        return result;
+    } else if (var == F("PASS")) {
+        String result =  svGetV<String>(F("pass"), nullptr, F(WIFICFG_FILE));
+
+        strDecode(result);
+        return result;
+    } else if (var == F("APMODE")) {
+        String result;
+
+        if (svGetV<int>(F("mode"), nullptr, F(WIFICFG_FILE)) == WIFIMODE_AP)
+            result = FPSTR(CHECKED);
+        return result;
+    } else if (var == F("APCHAN")) {
+        String result;
+        uint8_t chan = svGetV<int>(F("channel"), nullptr, F(WIFICFG_FILE));
+
+        if ((chan < 1) || (chan > 13))
+            chan = 1; // neplatne cislo kanalu nahradime nejnizsim
+        result = String(chan);
+        return result;
+    } else if (var == F("STATIC")) {
+        String result;
+
+        if (svGetV<int>(F("ipmode"), nullptr, F(WIFICFG_FILE)) == IPCONFIG_STATIC)
+            result = FPSTR(CHECKED);
+        return result;
+    } else if (var == F("IP")) {
+        String result;
+
+        result = _getIP(F("ip")).toString();
+        return result;
+    } else if (var == F("MASK")) {
+        String result;
+
+        result = _getIP(F("mask")).toString();
+        return result;
+    } else if (var == F("GATE")) {
+        String result;
+
+        result = _getIP(F("gw")).toString();
+        return result;
+    } else if(var == F("DNS")) {
+        String result;
+
+        result = _getIP(F("dns")).toString();
+        return result;
+    }
+    return String();
+}
+
+String WiFiConfig::rootProcessor(const String &var)
+{
+    String content;
+
+    if (var == "STATUS") {
+        switch (_status) {
+#if defined(ESP8266)
+        case STATION_IDLE:
+            content = F("Klid");
+            break;
+
+        case STATION_CONNECTING:
+            content = F("Připojování");
+            break;
+
+        case STATION_WRONG_PASSWORD:
+            content = F("Špatné heslo");
+            break;
+
+        case STATION_NO_AP_FOUND:
+            content = F("AP nenalezen");
+            break;
+
+        case STATION_CONNECT_FAIL:
+            content = F("Připojení selhalo");
+            break;
+
+        case STATION_GOT_IP:
+            content = F("Získaná ip");
+            break;
+
+        case 0xfe:
+            content = F("Špatná konfigurace");
+            break;
+
+        case 0xff:
+            content = F("Vynucená konfigurace");
+            break;
+
+        default:
+            content = F("Neznámý");
+            break;
+#else
+        case WL_IDLE_STATUS:
+            content = F("Klid");
+            break;
+
+        case WL_NO_SSID_AVAIL:
+            content = F("AP nenalezen");
+            break;
+
+        case WL_CONNECT_FAILED:
+            content = F("Připojení selhalo");
+            break;
+
+        case 0xfe:
+            content = F("Špatná konfigurace");
+            break;
+
+        case 0xff:
+            content = F("Vynucená konfigurace");
+            break;
+
+        default:
+            content = F("Neznámý");
+            break;
+#endif
+        }
+    } else if (var == F("RESTORE")) {
+        if (USEDFS.exists(F(WIFICFG_OLD_FILE))) {
+            content = FPSTR(PAGE_RESTORE);
+        }
+    }
+    return content;
+}
+
+void WiFiConfig::_handleRestore(AsyncWebServerRequest *request)
+{
+
+    USEDFS.remove(F(WIFICFG_FILE));
+    USEDFS.rename(F(WIFICFG_OLD_FILE), F(WIFICFG_FILE));
+
+    request->onDisconnect([]() {
+        _doReconfig = true; // aktivujeme novou konfiguraci a restartujeme ESP
+    });
+    request->send_P(200, TEXTHTML, PAGE_SAVED);
+}
+
+void WiFiConfig::_handleNotFound(AsyncWebServerRequest *request)
+{
+
+    DEBUG_MSG("Requested URI: %s\r\n", request->url().c_str());
+
+    if (request->url().endsWith(String(F("favicon.ico")))) {
+        request->send_P(404, TEXTPLAIN, PSTR("Err"));
+    } else {
+        String redirect;
+        redirect.reserve(256);
+        redirect = F("http://");
+        redirect.concat(WiFi.softAPIP().toString());
+        redirect.concat(F("/index.htm"));
+        DEBUG_MSG("Redirection to: %s\r\n", redirect.c_str());
+        request->redirect(redirect);
+    }
+}
+
+void WiFiConfig::_handleReset(AsyncWebServerRequest *request)
+{
+
+    request->onDisconnect([]() {
+        ESP.restart();
+    });
+
+    request->send_P(200, TEXTHTML, PAGE_RESTART);
+}
+
+void WiFiConfig::_handleScan(AsyncWebServerRequest *request)
+{
+    String json;
+    int n = WiFi.scanComplete();
+
+    json.reserve(1024);
+    json = F("{\"status\":");
+    json.concat(String(n));
+    json.concat(F(",\"ssids\":["));
+    if (n == WIFI_SCAN_FAILED) {
+        WiFi.scanNetworks(true);
+    } else if (n) {
+        for (int i = 0; i < n; ++i) {
+            if (i)
+                json.concat(F(","));
+            json.concat(("{\"rssi\":"));
+            json.concat(String(WiFi.RSSI(i)));
+            json.concat(F(",\"ssid\":\""));
+            json.concat(WiFi.SSID(i));
+            json.concat(F("\",\"channel\":"));
+            json.concat(String(WiFi.channel(i)));
+            json.concat(F(",\"secure\":"));
+            json.concat(String(WiFi.encryptionType(i)));
+            json.concat(F("}"));
+        }
+        WiFi.scanDelete();
+        if (WiFi.scanComplete() == WIFI_SCAN_FAILED) {
+            WiFi.scanNetworks(true);
+        }
+    }
+    json.concat(F("]}"));
+    request->send(200, FPSTR(TEXTJSON), json);
+}
+
+void WiFiConfig::_handleInfo(AsyncWebServerRequest *request)
+{
+
+    request->send_P(200, TEXTHTML, PAGE_INFO, std::bind(&WiFiConfig::infoProcessor, this, std::placeholders::_1));
+}
+
+void WiFiConfig::_handleRoot(AsyncWebServerRequest *request)
+{
+
+    request->send_P(200, TEXTHTML, PAGE_CAPTIVEPORTALCATCH, std::bind(&WiFiConfig::rootProcessor, this, std::placeholders::_1));
+    _time = millis() + (_timeout * 1000); // spocitame si novy cas, kdy budeme modul restartovat
+}
+
+IPAddress WiFiConfig::_getIP(const String &from)
+{
+    uint32_t ipa;
+    int result;
+
+    ipa = svGetV<uint32_t>(from, &result, F(WIFICFG_FILE));
+    if (SV_OK != result)
+        ipa = 0;
+    return IPAddress(ipa);
+}
+
+void WiFiConfig::_handleDisplayAP(AsyncWebServerRequest *request)
+{
+
+    request->send_P(200, TEXTHTML, PAGE_INDEX1, std::bind(&WiFiConfig::apProcessor, this, std::placeholders::_1));
+    _time = millis() + (360 * 1000); // spocitame si novy cas, kdy budeme modul restartovat (6 minut)
+}
+
+void WiFiConfig::_handleSetAP(AsyncWebServerRequest *request)
+{
+    String str;
+
+    str.reserve(128);
+    str = request->arg(F("_s"));
+    if (str.length() > 0) {
+        uint8_t mode;
+
+        if (USEDFS.exists(F(WIFICFG_OLD_FILE))) {
+            USEDFS.remove(F(WIFICFG_OLD_FILE));
+        }
+        USEDFS.rename(F(WIFICFG_FILE), F(WIFICFG_OLD_FILE));
+        strEncode(str);
+        svSetV(F("ssid"), str, F(WIFICFG_FILE));
+        str = request->arg(F("_p"));
+        strEncode(str);
+        svSetV(F("pass"), str, F(WIFICFG_FILE));
+
+        str = request->arg(F("_a"));
+        if (str.length() > 0) {
+            mode = WIFIMODE_AP; // rezim AP
+            str = request->arg(F("_ch")); // kanal AP
+            svSetV<int>(F("channel"), str.toInt(), F(WIFICFG_FILE));
+        } else
+            mode = WIFIMODE_STA; // rezim STA
+        svSetV(F("mode"), mode, F(WIFICFG_FILE));
+
+        str = request->arg(F("_st"));
+        if (0 == str.length())
+            svSetV<int>(F("ipmode"), IPCONFIG_DHCP, F(WIFICFG_FILE)); // mame DHCP dynamickou konfiguraci
+        else {
+            // staticka ip konfigurace
+            IPAddress ipa;
+
+            svSetV<int>(F("ipmode"), IPCONFIG_STATIC, F(WIFICFG_FILE)); // mame statickou konfiguraci
+            str = request->arg(F("_i"));
+            ipa.fromString(str);
+            svSetV<uint32_t>(F("ip"), (uint32_t)ipa, F(WIFICFG_FILE));
+
+            str = request->arg(F("_m"));
+            ipa.fromString(str);
+            svSetV<uint32_t>(F("mask"), (uint32_t)ipa, F(WIFICFG_FILE));
+
+            str = request->arg(F("_g"));
+            ipa.fromString(str);
+            svSetV<uint32_t>(F("gw"), (uint32_t)ipa, F(WIFICFG_FILE));
+
+            str = request->arg(F("_d"));
+            ipa.fromString(str);
+            svSetV<uint32_t>(F("dns"), (uint32_t)ipa, F(WIFICFG_FILE));
+        }
+
+// Uzivatelske parametry
+        for (unsigned i = 0; i < request->args(); i++) {
+            if (!request->argName(i).startsWith(F("_"))) { // vnitrni parametry WiFiConfig modulu zacinaji _, takze ty muzeme ignorovat
+                WiFiConfigUsrParameter *up = _searchUsrParameter(request->argName(i).c_str());
+                if (NULL != up)
+                    up->setNewValue(request->arg(i).c_str());
+            }
+        }
+    }
+    request->onDisconnect([]() {
+        _doReconfig = true; // aktivujeme novou konfiguraci a restartujeme ESP
+    });
+    request->send_P(200, TEXTHTML, PAGE_SAVED);
+}
+
+// Start WiFi v rezimu AP pro nastaveni modulu
+wificonfigresult_t WiFiConfig::_setupAP(wificonfig_cb cb)
+{
+    String ssid = WifiConfigAPSSID();
+
+    WiFi.persistent(false); // chranime flash pred zbytecnymi prepisy
+    dnsServer.reset(new DNSServer());
+    server = new AsyncWebServer(80);
+
+    server->reset();
+
+    /* Soft AP network parameters */
+    IPAddress apIP(172, 217, 28, 1);
+    IPAddress netMsk(255, 255, 255, 0);
+
+    WiFi.disconnect(); // pro jistotu se odpojime
+//    WiFi.mode(WIFI_AP);
+
+#if defined(ARDUINO_ARCH_ESP8266)
+    WiFi.softAPConfig(apIP, apIP, netMsk);
+    if (ssid.endsWith(F("?"))) {
+        char lmac[16];
+
+        sprintf_P(lmac, PSTR("%06X"), ESP_getChipId());
+        ssid.replace(F("?"), String(lmac));
+    }
+    WiFi.softAP(ssid.c_str(), NULL, SETUP_CHANNEL);
+    WiFi.mode(WIFI_AP);
+    delay(500); // dulezite - jinak se nevraci spravna IP adresa !!! (udajne od verze 2.3.0 uz neni nutne)
+#else
+    // osetreni padu ESP32 - https://github.com/espressif/arduino-esp32/issues/2025
+    if (ssid.endsWith(F("?"))) {
+        char lmac[16];
+
+        sprintf_P(lmac, PSTR("%06X"), ESP_getChipId());
+        ssid.replace(F("?"), String(lmac));
+    }
+    WiFi.softAP(ssid.c_str(), NULL, SETUP_CHANNEL);
+    delay(100); // kvuli ESP32 - cekame na start AP
+    WiFi.softAPConfig(apIP, apIP, netMsk);
+#endif
+    dnsServer->setErrorReplyCode(DNSReplyCode::NoError);
+    dnsServer->start(DNS_PORT, "*", WiFi.softAPIP()); // spustime tzv. Captive portal - vsechny DNS dotazy jsou smerovany na nasi ip adresu
+    if (cb)
+        cb(WCS_CONFIGSTART); // signalizujeme start konfiguracniho serveru
+// Nastavime handlery weboveho serveru pro konfiguraci
+    server->onNotFound(std::bind(&WiFiConfig::_handleNotFound, this, std::placeholders::_1));
+    server->on(PSTR("/config"), std::bind(&WiFiConfig::_handleDisplayAP, this, std::placeholders::_1));
+    server->on(PSTR("/scan"), std::bind(&WiFiConfig::_handleScan, this, std::placeholders::_1));
+    server->on(PSTR("/s"), std::bind(&WiFiConfig::_handleSetAP, this, std::placeholders::_1));
+    server->on(PSTR("/r"), std::bind(&WiFiConfig::_handleReset, this, std::placeholders::_1));
+    server->on(PSTR("/i"), std::bind(&WiFiConfig::_handleInfo, this, std::placeholders::_1));
+    server->on(PSTR("/o"), std::bind(&WiFiConfig::_handleRestore, this, std::placeholders::_1));
+    server->on(PSTR("/index.htm"), std::bind(&WiFiConfig::_handleRoot, this, std::placeholders::_1));
+#ifdef USE_WIFICONFIG_OTAUPDATE
+    server->on(PSTR("/u"), []() {
+        server->send_P(200, TEXTHTML, PAGE_UPDATE);
+    });
+    server->on(PSTR("/update"), HTTP_POST, []() {
+        server->sendHeader(F("Connection"), F("close"));
+        server->send(200, FPSTR(TEXTPLAIN), (Update.hasError()) ? F("FAIL") : F("OK"));
+        ESP.restart();
+    }, []() {
+        HTTPUpload& upload = server->upload();
+        if (upload.status == UPLOAD_FILE_START) {
+            WiFiUDP::stopAll();
+            uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
+            if (!Update.begin(maxSketchSpace)) { //start with max available size
+                //Update.printError(Serial);
+            }
+        } else if (upload.status == UPLOAD_FILE_WRITE) {
+            if (Update.write(upload.buf, upload.currentSize) != upload.currentSize) {
+                //Update.printError(Serial);
+            }
+        } else if (upload.status == UPLOAD_FILE_END) {
+            if (Update.end(true)) { //true to set the size to the current progress
+                DEBUG_MSG("WifiConfig: Update Success: %u\nRebooting...\n", upload.totalSize);
+            } else {
+                //Update.printError(Serial);
+            }
+        }
+        yield();
+    });
+#endif
+#ifdef USE_WIFICONFIG_ARDUINO_OTA
+    ArduinoOTA.begin();
+#endif
+#ifdef USE_WIFICONFIG_FSEDITOR
+#if 0
+#if defined(ESP8266)
+        server->addHandler(new SPIFFSEditor("admin", "nimda", USEDFS));
+#else
+        server->addHandler(new SPIFFSEditor(USEDFS, "admin", "nimda"));
+#endif
+#else
+#if defined(ESP8266)
+        server->addHandler(new FSWebEditor("admin", "nimda"));
+#else
+        server->addHandler(new FSWebEditor(USEDFS, "admin", "nimda"));
+#endif
+#endif
+#endif
+    server->begin(); // startujeme webovy server
+
+// Asynchronne ziskame seznam okolnich AP prakticky okamzite po startu konfiguracniho AP
+    int n = WiFi.scanComplete();
+
+    if (n == WIFI_SCAN_FAILED) {
+        WiFi.scanNetworks(true);
+    }
+
+    while (1) {
+        if (_doReconfig) {
+            // mame aktivovat novou konfiguraci
+            _prepareWifi();
+            ESP.restart();
+        }
+        if (cb)
+            cb(WCS_CONFIGWAIT); // volame uzivatelsky callback (napr. signalizace)
+        dnsServer->processNextRequest();
+#ifdef USE_WIFICONFIG_ARDUINO_OTA
+        ArduinoOTA.handle();
+#endif
+        yield(); // procesy uvnitr systemu ESP potrebuji take svuj cas
+        if (_timeout) {
+            if (millis() > _time) {
+                DEBUG_MSG("AP timeout\r\n");
+                if (cb)
+                    cb(WCS_CONFIGTIMEOUT); // signalizujeme timeout
+                break; // ukoncime cekani a vracime se
+            }
+        }
+    }
+// tady by asi melo byt zastaveni weboveho a dns serveru...
+    dnsServer->stop();
+    server->end();
+#ifdef USE_WIFICONFIG_ARDUINO_OTA
+# if defined(ESP32)
+    ArduinoOTA.end();
+# endif
+#endif
+    return WCR_TIMEOUT; // nepripojeno, vyprsel timeout konfiguracniho AP
+}
+
+// Testovani, zda se modul pripojil k AP
+bool WiFiConfig::_testWifi(wificonfig_cb cb)
+{
+    uint32_t startt = millis();
+
+#if !defined(ESP8266)
+    _prepareWifi(); // nakonfigurujeme ESP32 dle nastavenych parametru
+#endif
+
+    DEBUG_MSG("Trying to connect.\r\n");
+    while ((millis() - startt) < WIFI_STA_CONNECT_TIMEOUT) {
+        if (WL_CONNECTED == WiFi.status()) {
+            DEBUG_MSG("Connected...\r\n");
+            if (cb)
+                cb(WCS_CONNECTED);
+            return true; // jsme pripojeni
+        }
+        yield();
+        if (cb)
+            cb(WCS_CONNECTING); // signalizujeme pokracujici pokus o spojeni
+    }
+    DEBUG_MSG("Not connected!\r\n");
+#if defined(ESP8266)
+    _status = wifi_station_get_connect_status();
+#else
+    _status = WiFi.status();
+#endif
+    return false; // pripojeni se nezdarilo
+}
+
+wificonfigresult_t WiFiConfig::begin(int forceConfigure, wificonfig_cb cb)
+{
+    wificonfigresult_t result = WCR_OK; // predpokladame, ze se pripojeni podari
+
+    DEBUG_MSG("\r\n\r\n"); // oddeleni vypisu
+
+    if (0 == forceConfigure) {
+        DEBUG_MSG("Force config.\r\n");
+        _status = 0xff;
+        result = _setupAP(cb);
+    } else {
+#if defined(ESP8266)
+        if (svGetV<int>(F("mode"), nullptr, F(WIFICFG_FILE)) != WiFi.getMode()) {
+            // neshoduje se rezim - musime spustit konfiguracni AP (poskozena konfigurace)
+            DEBUG_MSG("Wrong config (%d, %d)\r\n", svGetV<int>(F("mode"), nullptr, F(WIFICFG_FILE)), WiFi.getMode());
+            _status = 0xfe;
+            result = _setupAP(cb);
+        } else
+#endif
+        {
+            switch (svGetV<int>(F("mode"), nullptr, F(WIFICFG_FILE))) {
+            case WIFIMODE_STA: {
+
+                DEBUG_MSG("STA mode.\r\n");
+                SETHOSTNAME(WiFiDeviceName); // nastavime jmeno zarizeni
+                if (IPCONFIG_STATIC == svGetV<int>(F("ipmode"), nullptr, F(WIFICFG_FILE))) {
+
+                    DEBUG_MSG("Static configuration SET.\r\n");
+                    WiFi.config(IPAddress(svGetV<uint32_t>(F("ip"), nullptr, F(WIFICFG_FILE))), IPAddress(svGetV<uint32_t>(F("gw"), nullptr, F(WIFICFG_FILE))),
+                        IPAddress(svGetV<uint32_t>(F("mask"), nullptr, F(WIFICFG_FILE))), IPAddress(svGetV<uint32_t>(F("dns"), nullptr, F(WIFICFG_FILE))));
+                    delay(100);
+                }
+                if (WC_DONT_RUN_CONFIGAP == _timeout)
+                    result = WCR_CONFIGAP_NOT_STARTED; // nemame spoustet konfiguracni AP - vracime se hned
+                else {
+                    if (cb)
+                        cb(WCS_CONNECTSTART); // signalizujeme zacatek pokusu o pripojeni
+                    if (!_testWifi(cb)) {
+                        result = _setupAP(cb); // modul se nepripojil - startujeme AP rezim
+                    }
+                }
+            }
+            break;
+
+            case WIFIMODE_AP:
+
+                DEBUG_MSG("AP mode.\r\n");
+                if (IPCONFIG_STATIC == svGetV<int>(F("ipmode"), nullptr, F(WIFICFG_FILE))) {
+                    WiFi.softAPConfig(IPAddress(svGetV<uint32_t>(F("ip"), nullptr, F(WIFICFG_FILE))), IPAddress(svGetV<uint32_t>(F("gw"), nullptr, F(WIFICFG_FILE))),
+                        IPAddress(svGetV<uint32_t>(F("mask"), nullptr, F(WIFICFG_FILE))));
+                }
+                if (cb)
+                    cb(WCS_CONNECTED); // signalizujeme pripojeni (zde se nic jineho stejne nestane...)
+                break;
+
+#if !defined(ESP8266)
+            default:
+
+                DEBUG_MSG("Wrong config (%d)\r\n", svGetV<int>(F("mode"), nullptr, F(WIFICFG_FILE)));
+                _status = 0xfe;
+                result = _setupAP(cb);
+                break;
+#endif
+            }
+        }
+    }
+    return result; // mame vyreseno
+}
+
+wificonfigresult_t WiFiConfig::begin(int forceConfigure, int timeout, wificonfig_cb cb = NULL)
+{
+
+    if ((timeout > 0) && (40 > timeout))
+        timeout = 40; // timeout musi byt minimalne 40 sekund
+    if ((0 == forceConfigure) && (WC_DONT_RUN_CONFIGAP == timeout))
+        timeout = 40;
+    _timeout = timeout;
+    if (_timeout > 0)
+        _time = millis() + (_timeout * 1000); // spocitame si novy cas, kdy budeme modul restartovat
+    return begin(forceConfigure, cb); // spustime WiFi
+}
+
+#if defined(ESP32)
+static const char INITTXT[] = "{}";
+#endif
+
+void WiFiConfig::initConfig(const String &ssid, const String &pass, const int mode, const int ipcfg, const IPAddress &ip, const IPAddress &mask, const IPAddress &gw, const IPAddress &dns)
+{
+    String es;
+
+    DEBUG_MSG("initConfig %d\r\n", mode);
+    if (!USEDFS.exists(F(WIFICFG_FILE))) {
+        DEBUG_MSG("Create file...\r\n");
+        File f;
+        f = USEDFS.open(F(WIFICFG_FILE), "w");
+#if defined(ESP8266)
+        f.write("{}");
+#else
+        f.write((const uint8_t *)INITTXT, strlen(INITTXT));
+#endif
+        f.close();
+    }
+    es = ssid;
+    strEncode(es);
+    svSetV<String>(F("ssid"), es, F(WIFICFG_FILE));
+    es = pass;
+    strEncode(es);
+    svSetV<String>(F("pass"), es, F(WIFICFG_FILE));
+    svSetV(F("mode"), mode, F(WIFICFG_FILE));
+    svSetV(F("ipmode"), ipcfg, F(WIFICFG_FILE));
+    svSetV<int>(F("channel"), 3, F(WIFICFG_FILE));
+    svSetV<uint32_t>(F("ip"), (uint32_t)ip, F(WIFICFG_FILE));
+    svSetV<uint32_t>(F("mask"), (uint32_t)mask, F(WIFICFG_FILE));
+    svSetV<uint32_t>(F("gw"), (uint32_t)gw, F(WIFICFG_FILE));
+    svSetV<uint32_t>(F("dns"), (uint32_t)dns, F(WIFICFG_FILE));
+    _prepareWifi(); // nastavime novou WiFi konfiguraci
+}
+
+void WiFiConfig::_prepareWifi(void)
+{
+
+    DEBUG_MSG("Prepare wifi...\r\n");
+    WiFi.persistent(true); // chceme, aby si modul zapamatoval konfiguraci
+    WiFi.disconnect(); // vsechno odpojime
+    delay(100);
+
+    String s = svGetV<String>(F("ssid"), nullptr, F(WIFICFG_FILE));
+    strDecode(s);
+    String pass = svGetV<String>(F("pass"), nullptr, F(WIFICFG_FILE));
+    strDecode(pass);
+    int mode = svGetV<int>(F("mode"), nullptr, F(WIFICFG_FILE));
+
+    DEBUG_MSG("SSID %s, Pass %s, Mode %d\r\n", s.c_str(), pass.c_str(), mode);
+
+    switch (mode) {
+    case WIFIMODE_STA: {
+
+        DEBUG_MSG("STA mode.\r\n");
+#if defined(ESP8266)
+        if (strlen(WiFiDeviceName)) {
+            SETHOSTNAME(WiFiDeviceName); // nastavime jmeno zarizeni
+        }
+#endif
+        if (IPCONFIG_STATIC == svGetV<int>(F("ipmode"), nullptr, F(WIFICFG_FILE))) {
+
+            DEBUG_MSG("Static configuration.\r\n");
+            WiFi.config(IPAddress(svGetV<uint32_t>(F("ip"), nullptr, F(WIFICFG_FILE))), IPAddress(svGetV<uint32_t>(F("gw"), nullptr, F(WIFICFG_FILE))),
+                        IPAddress(svGetV<uint32_t>(F("mask"), nullptr, F(WIFICFG_FILE))), IPAddress(svGetV<uint32_t>(F("dns"), nullptr, F(WIFICFG_FILE))));
+            delay(100);
+        }
+        WiFi.mode(WIFI_STA); // startujeme WiFi v rezimu klienta
+        WiFi.begin(s.c_str(), pass.c_str());
+        DEBUG_MSG("STA params: %s, %s\r\n", s.c_str(), pass.c_str());
+#if !defined(ESP8266)
+        if (strlen(WiFiDeviceName)) {
+            SETHOSTNAME(WiFiDeviceName); // nastavime jmeno zarizeni
+        }
+#endif
+#if defined(ESP8266)
+        WiFi.setAutoConnect(true);
+        WiFi.setAutoReconnect(true);
+//        wifi_station_set_auto_connect(true);
+#else
+        //esp_wifi_set_auto_connect(true);
+#endif
+        delay(1000);
+    }
+    break;
+
+    case WIFIMODE_AP:{
+
+        DEBUG_MSG("AP mode.\r\n");
+        if (s.endsWith(F("?"))) {
+            char lmac[16];
+
+            sprintf_P(lmac, PSTR("%06X"), ESP_getChipId());
+            s.replace(F("?"), String(lmac));
+        }
+        WiFi.mode(WIFI_AP); // startujeme AP
+        int chan = svGetV<int>(F("channel"), nullptr, F(WIFICFG_FILE));
+        if (pass.length()) {
+            // je zadane heslo do AP
+            WiFi.softAP(s.c_str(), pass.c_str(), chan);
+        } else {
+            // otevreny AP
+            WiFi.softAP(s.c_str(), NULL, chan);
+        }
+        if (IPCONFIG_STATIC == svGetV<int>(F("ipmode"), nullptr, F(WIFICFG_FILE))) {
+            delay(100); // kvuli ESP32 - cekame na start AP
+            WiFi.softAPConfig(IPAddress(svGetV<uint32_t>(F("ip"), nullptr, F(WIFICFG_FILE))), IPAddress(svGetV<uint32_t>(F("gw"), nullptr, F(WIFICFG_FILE))),
+                        IPAddress(svGetV<uint32_t>(F("mask"), nullptr, F(WIFICFG_FILE))));
+        }
+        break;
+    }
+
+    default: // jakykoliv neznamy rezim (mozna zavada na EEPROM???)
+
+        DEBUG_MSG("Mode Error (%d)!!\r\n", (int)mode);
+        break;
+    }
+    delay(1000); // cekame XX sekund na ulozeni atd...
+}
+// EOF

src/WiFiConfig.h

@@ -0,0 +1,178 @@
+/**
+ * @file WiFiConfig.h
+ * @author Pavel Brychta, http://www.xpablo.cz
+ *
+ * Copyright (c) 2015-21 Pavel Brychta. All rights 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
+ *
+ */
+
+/* Nastaveni ESP modulu, ktere pracuje takto:
+ * 1. Pokud je forceConfigure ==0, tak se aktivuje WiFi v rezimu AP a cele ESP je mozne nastavit webovym rozhranim (pocitam s prenosem hodnoty nouzoveho tlacitka pri startu).
+ * 2. Neni-li tlacitko stisknute, tak se vezme rezim prace a AP se nastavi dle nej (WIFI_STA a WIFI_AP)
+ * 3. Pokud byl rezim prace WIFI_STA a ESP se nepripoji k zadne siti do casu WIFI_STA_CONNECT_TIMEOUT, tak se pokracuje jako kdyby bylo stisknute rekonfiguracni tlacitko
+ * Podrobnejsi informace o upravach chovani v jednotlivych verzich jsou v zahlavi .cpp souboru.
+ */
+
+#ifndef __WiFiConfig_h__
+#define __WiFiConfig_h__
+
+#if defined(ESP8266)
+# include <ESP8266WiFi.h>
+#else
+# include <WiFi.h>
+#endif
+#include <memory>
+#include <ESPAsyncWebServer.h>
+#include <DNSServer.h>
+
+#if TEMPLATE_PLACEHOLDER != '$'
+# error 'Need to redefine TEPLATE_PLACEHOLDER to $ sign'
+#endif
+
+#define WC_DONT_RUN_CONFIGAP -1 // priznak, ze si neprejeme spoustet konfiguracni AP (uziva se misto parametru timeout). Urceno pro bateriove napajene pristroje
+
+#if not defined(WIFICFG_FILE)
+# define WIFICFG_FILE "/wifi.json"
+#endif
+#if not defined(WIFICFG_OLD_FILE)
+# define WIFICFG_OLD_FILE "/wifi.old"
+#endif
+
+// Parametr, predany uzivatelske callback funkci, urceny pro aplikacni vizualizaci stavu konfigurace a pripojeni
+typedef enum {
+    WCS_CONNECTSTART = 0, // zacatek pokusu o pripojeni k ulozene konfiguraci
+    WCS_CONNECTING = 1, // probiha pokus o pripojeni
+    WCS_CONNECTED = 2, // pripojeni bylo uspesne/byl spusteny AP
+    WCS_CONFIGSTART = 3, // zacatek startu konfiguracniho AP
+    WCS_CONFIGWAIT = 4, // cekame na nastaveni konfigurace pres web
+    WCS_CONFIGTIMEOUT = 5, // doslo k vyprseni timeoutu konfigurace, budeme se vracet s False jako vysledek z .begin(...)
+} wificonfigstate_t;
+
+// Navratovy parametr z volani begin() - udava, jak se podarilo WiFiConfig modulu pripojit k AP
+typedef enum {
+    WCR_OK = 0, // wifi pripojena/AP nastartovane (dle parametru v EEPROM)
+    WCR_TIMEOUT = 1, // wifi neni pripojena a vyprsel zadany timeout
+    WCR_CONFIGAP_NOT_STARTED = 2, // wifi neni pripojena a spusteni konfiguracniho AP bylo zakazane parametrem timeout (WC_DONT_RUN_CONFIGAP)
+} wificonfigresult_t;
+
+// Interni reprezentace konfigurace WiFi
+enum {
+    WIFIMODE_AP = WIFI_AP, // rezim prace jako pristupovy bod (AP)
+    WIFIMODE_STA = WIFI_STA, // rezim prace jako klient
+    WIFIMODE_AP_STA = WIFI_AP_STA // rezim prace jako klient i pristupovy bod
+};
+
+// Interni reprezentace konfigurace ip
+enum {
+    IPCONFIG_DHCP = 0x55, // DHCP konfigurace ip adres (default)
+    IPCONFIG_STATIC = 0xaa // staticka konfigurace ip adres
+};
+
+typedef void (*wificonfig_cb)(wificonfigstate_t state); // definice callbacku
+
+typedef void (*storeparam_cb)(const char *newvalue); // callback pro ulozeni uzivatelskeho parametru
+
+#ifndef WIFI_STA_CONNECT_TIMEOUT
+# define WIFI_STA_CONNECT_TIMEOUT 20000UL // delka cekani na pripojeni k AP [ms]
+#endif
+
+#ifndef SETUP_SSID
+# define SETUP_SSID "ESPPBSetup_?"
+#endif
+
+#ifndef SETUP_CHANNEL
+# define SETUP_CHANNEL 3
+#endif
+
+/**
+ *  \brief Ziskani nasi ip adresy
+ *
+ *  \return Nase ip adresa, ziskana dle rezimu prace modulu
+ */
+IPAddress getOurIP(void);
+
+/**
+ *  \brief Ziskani nasi MAC adresy
+ *
+ *  \param [in] mac kam ma byt MAC adresa ulozena
+ *  \return Ukazatel na ulozenou MAC adresu (vraci parametr mac)
+ *
+ *  \details Details
+ */
+uint8_t * getOurMAC(uint8_t *mac);
+
+class WiFiConfigUsrParameter
+{
+public:
+    WiFiConfigUsrParameter(const char *id, const char *label, const char *defaultValue, unsigned int length, storeparam_cb cb);
+
+    const char *getID();
+    const char *getValue();
+    const char *getLabel();
+    int        getValueLength();
+    void       setNext(WiFiConfigUsrParameter *n);
+    WiFiConfigUsrParameter *getNext();
+    void         setNewValue(const char *newval);
+private:
+    const char *_id;
+    const char *_label;
+    char       *_value;
+    int         _length;
+
+    storeparam_cb _cb;
+    WiFiConfigUsrParameter *_next = nullptr;
+};
+
+class WiFiConfig
+{
+public:
+    WiFiConfig()
+        : _params(nullptr)
+        , _timeout(0) 
+    {}
+    wificonfigresult_t begin(int forceConfigure, wificonfig_cb cb);
+    wificonfigresult_t begin(int forceConfigure, int timeout, wificonfig_cb cb);
+    void addParameter(WiFiConfigUsrParameter *p);
+    void initConfig(const String &ssid, const String &pass, const int mode = WIFIMODE_STA, const int ipcfg = IPCONFIG_DHCP, const IPAddress &ip = (uint32_t)0, const IPAddress &mask = (uint32_t)0, const IPAddress &gw = (uint32_t)0, const IPAddress &dns = (uint32_t)0);
+
+private:
+    AsyncWebServer *server;
+    std::unique_ptr<DNSServer> dnsServer;
+    void _prepareWifi(void);
+    wificonfigresult_t _setupAP(wificonfig_cb cb);
+    void _handleDisplayAP(AsyncWebServerRequest *request);
+    void _handleSetAP(AsyncWebServerRequest *request);
+    void _handleInfo(AsyncWebServerRequest *request);
+    void _handleReset(AsyncWebServerRequest *request);
+    void _handleNotFound(AsyncWebServerRequest *request); // CaptivePortal redirector
+    void _handleRoot(AsyncWebServerRequest *request); // jen jednoducha stranka kvuli CaptivePortalu umoznuje prejit na spravnou stranku (ale nedela to...)
+    void _handleScan(AsyncWebServerRequest *request);
+    void _handleRestore(AsyncWebServerRequest *request);
+    bool _testWifi(wificonfig_cb cb);
+    WiFiConfigUsrParameter *_searchUsrParameter(const char *name);
+    IPAddress _getIP(const String &from);
+    String rootProcessor(const String &var);
+    String apProcessor(const String &var);
+    String infoProcessor(const String & var);
+
+    WiFiConfigUsrParameter *_params; // ukazatel na posledni zadany uzivatelsky parametr
+    int _timeout; // timeout pri cekani na konfiguraci
+    uint32_t _time; // hodnota, po ktere bude ESP restartovano (pokud je _timeout != 0)
+    uint8_t _status; // stav pripojeni - je pouzity pro signalizaci duvodu, proc se nepripoji k AP
+};
+
+#endif

src/embHTML.h

@@ -0,0 +1,266 @@
+// HTML data
+#ifndef WIFICONFIG_WEBTITLE
+#  define WIFICONFIG_WEBTITLE "xPablo.cz Setup"
+#endif
+
+#ifndef WIFICONFIG_TITLE
+# define WIFICONFIG_TITLE "ESP WiFiConfig"
+#endif
+
+static const char TEXTHTML[] PROGMEM = "text/html";
+static const char TEXTPLAIN[] PROGMEM = "text/plain";
+static const char TEXTJSON[] PROGMEM = "text/json";
+
+static const char PAGE_INDEX1[] PROGMEM = R"=====(<!DOCTYPE html>
+<html lang="en"><head><meta charset= "utf-8"><meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no">
+<title>)=====" WIFICONFIG_WEBTITLE R"=====(</title>
+<style>
+.c{text-align: center;}
+div,input{padding:5px;font-size:1em;}
+input{width:95%;}
+body{text-align: center;font-family:verdana;}
+button{border:0;border-radius:0.3rem;background-color:#1fa3ec;color:#fff;line-height:2.4rem;font-size:1.2rem;width:100%;}
+.q{float: right;width: 64px;text-align: right;}
+.l{background: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACAAAAAgCAMAAABEpIrGAAAALVBMVEX///8EBwfBwsLw8PAzNjaCg4NTVVUjJiZDRUUUFxdiZGSho6OSk5Pg4eFydHTCjaf3AAAAZElEQVQ4je2NSw7AIAhEBamKn97/uMXEGBvozkWb9C2Zx4xzWykBhFAeYp9gkLyZE0zIMno9n4g19hmdY39scwqVkOXaxph0ZCXQcqxSpgQpONa59wkRDOL93eAXvimwlbPbwwVAegLS1HGfZAAAAABJRU5ErkJggg==") no-repeat left center;background-size: 1em;}
+#rssiBar{width: 100px;height: 15px;background: #fff;}
+#rssiBar > div{width: 52px;height: 15px;background: #c20000;}
+</style>
+<script>
+function c(l){document.getElementById('_s').value=l.innerText||l.textContent;document.getElementById('_p').focus();}
+function hAP(){if (document.getElementById('_a').checked){document.getElementById('apconfig').style.display = 'block';}else{document.getElementById('apconfig').style.display = 'none';}}
+function hSC(){if (document.getElementById('_st').checked){document.getElementById('staticip').style.display = 'block';}else{document.getElementById('staticip').style.display = 'none';}}
+</script>
+</head><body><h1>)=====" WIFICONFIG_TITLE R"=====(</h1><div style='text-align:left;display:inline-block;min-width:260px;'>
+<div id="ssids">
+</div>
+<form method='post' action='s'>
+<label>SSID<br><input id='_s' name='_s' maxlength=32 required placeholder='SSID' value="$SSID$"></label><br>
+<label>Heslo<br><input id='_p' name='_p' onfocus="this.select();" maxlength=64 value="$PASS$" type='password' placeholder='heslo'></label><br>
+<div>
+<label><input id='_a' name='_a' type='checkbox' style="width: 10%; float: left; margin-top: 5px;" onclick='hAP();' $APMODE$>Režim AP</label>
+<div id="apconfig">
+<label>Kanál<br><input type="number" name="_ch" min="1" max="13" title='cislo kanalu v intervalu 1-13' value='$APCHAN$'></label><br>
+</div>
+</div>
+<div>
+<label><input id='_st' name='_st' type='checkbox' style="width: 10%; float: left; margin-top: 5px;" onclick='hSC();' $STATIC$>Statická IP konfigurace</label>
+<div id="staticip">
+<label>IP adresa<br><input type="text" name="_i" value='$IP$'></label><br>
+<label>Síťová maska<br><input type="text" name="_m" value='$MASK$'></label><br>
+<label>Síťová brána<br><input type="text" name="_g" value='$GATE$'></label><br>
+<label>Server DNS<br><input type="text" name="_d" value='$DNS$'></label><br>
+</div>
+</div>
+$USER$
+<br>
+<button type='submit'>Uložit a restartovat</button></form>
+<script>
+window.onload = function() {
+    hAP();
+    hSC();
+    var req = new XMLHttpRequest();
+    req.open("GET", "/scan", true);
+    req.onreadystatechange = function() {
+        if (req.readyState != 4 || req.status != 200)
+            return;
+        ssids = document.getElementById('ssids');
+        data = JSON.parse(req.responseText);
+        status = data.status;
+        html = "";
+        if (status > 0) {
+            for (i= 0 ; i < status; ++i) {
+                lock = "";
+                if (data.ssids[i].secure != 0)
+                    lock = "l";
+                value = data.ssids[i].rssi;
+                if (value <= -100)
+                    value = 0;
+                else if (value >= -50)
+                    value = 100;
+                else
+                    value = 2 * (value + 100);
+                line = "<div><a href='#p' onclick='c(this)'>" + data.ssids[i].ssid + "</a>&nbsp;<span class='q " + lock + "'><meter value='" + value + "' min='0' low='30' optimum='70' high='60' max='100' style='width: 70%;'></meter></span></div>";
+                html += line;
+            }
+            ssids.innerHTML = html;
+        }
+    };
+    req.send();
+};
+</script>
+</div>)====="
+#if defined APP_NAME && defined APP_VERSION
+R"=====(<div style='text-align:right;font-size:11px;'><hr/>)====="
+APP_NAME
+" v"
+APP_VERSION
+R"=====(</div>
+)====="
+#else
+R"=====(<div style='text-align:right;font-size:11px;'><hr/><a href='http://xpablo.cz' target='_blank' style='color:#aaa;'>WiFiConfig by xPablo</a></div>)====="
+#endif
+R"=====(</body></html>
+)=====";
+
+// Uzivatelsky pridane polozky
+static const char PAGE_PARAM_HDR[] PROGMEM = R"=====(
+<hr>
+<h2>Uživatelské položky</h2>
+)=====";
+
+static const char PAGE_PARAM[] PROGMEM = R"=====(
+<label>%s<br><input name='%s' maxlength='%d' value='%s'></label><br>
+)=====";
+
+/*
+<div style='text-align:right;font-size:11px;'><hr/><a href='http://xpablo.cz' target='_blank' style='color:#aaa;'>WiFiConfig by xPablo</a></div>
+ */
+// Nenalezeno zadne SSID
+static const char PAGE_NO_SSID[] PROGMEM = R"=====(
+<div>Nenalezená žádná síť. Občerstvi stránku pro nové hledání.</div>
+)=====";
+
+// Konfigurace ulozena - restartuji...
+static const char PAGE_SAVED[] PROGMEM = R"=====(
+<!DOCTYPE html><html lang="cs"><head><meta http-equiv="refresh" content="5;url=/"/>
+<meta charset="utf-8" name="viewport" content="width=device-width, initial-scale=1"/>
+<title>xPablo Setup - Konfigurace uložena</title>
+<style>div,input {margin-bottom: 5px;}body{width:200px;display:block;margin-left:auto;margin-right:auto;}</style>
+</head><body>
+Uloženo do Flash...<br/>
+Restart za několik sekund.
+</body></html>
+)=====";
+
+static const char PAGE_CAPTIVEPORTALCATCH[] PROGMEM = R"=====(<!DOCTYPE html>
+<html lang="cs"><head><meta charset="utf-8" name="viewport" content="width=device-width, initial-scale=1, user-scalable=no"/><title>xPablo.cz Setup</title>
+<style>.c{text-align: center;} div,input{padding:5px;font-size:1em;} input{width:95%;} body{text-align: center;font-family:verdana;} button{border:0;border-radius:0.3rem;background-color:#1fa3ec;color:#fff;line-height:2.4rem;font-size:1.2rem;width:100%;} .q{float: right;width: 64px;text-align: right;}
+.vl-info {border-left: thick solid #1fa3ec;background: #cee6ff; text-align:left; display:inline-block; min-width:260px; margin-top:15px}
+.red { background-color: #ff0000;}
+.magenta { background-color: #ff00ff;}
+.yellow { background-color: #FFD700;}
+</style>
+</head><body><div style='text-align:left;display:inline-block;min-width:260px;'>
+<form action="/config" method="get">
+<button>Konfigurace WiFi</button>
+</form><br/>
+<form action="/i" method="get">
+<button>Informace o modulu</button>
+</form><br/>
+$RESTORE$
+<form action="/r" method="post">
+<button class="red">Reset</button></form><br>)====="
+#if defined USE_WIFICONFIG_OTAUPDATE
+R"=====(
+</form><br/><form action="/u" method="get">
+<button class="magenta">Aktualizace firmware</button></form><br>)====="
+#endif
+R"=====(
+<div class=\"vl-info\">Pokus o připojení: $STATUS$</div>
+)====="
+#if defined APP_NAME && defined APP_VERSION
+R"=====(<div style='text-align:right;font-size:11px;'><hr/>)====="
+APP_NAME
+" v"
+APP_VERSION
+R"=====(</div>
+)====="
+#else
+R"=====(<div style='text-align:right;font-size:11px;'><hr/><a href='http://xpablo.cz' target='_blank' style='color:#aaa;'>WiFiConfig by xPablo</a></div>)====="
+#endif
+R"=====(</body></html>
+)=====";
+
+static const char PAGE_RESTART[] PROGMEM = R"=====(<!DOCTYPE html>
+<html lang="cs"><head><meta http-equiv="refresh" content="5;url=/"/>
+<meta charset="utf-8" name="viewport" content="width=device-width, initial-scale=1"/>
+<title>xPablo Setup - Restart</title>
+<style>div,input {margin-bottom: 5px;}body{width:200px;display:block;margin-left:auto;margin-right:auto;}</style>
+</head><body>
+Restartuji...
+</body></html>
+)=====";
+
+static const char PAGE_UPDATE[] PROGMEM = R"=====(
+<html lang='en'>
+  <head>
+    <meta charset='utf-8'>
+    <meta name='viewport' content='width=device-width,initial-scale=1'/>
+  </head>
+  <body>
+<form method="POST" action="#" enctype="multipart/form-data" id="upload_form">
+  <input type="file" name="update" accept='.bin' id="file">
+  <input type="submit" value="Update"> </form>
+<div id="prg_wrap" style="border: 0px solid; width: 100%;">
+  <div id="prg" style="text-shadow: 2px 2px 3px black; padding: 5px 0; display: none; border: 1px solid #008aff; background: #002180; text-align: center; color: white;"></div>
+</div>
+<script>
+var domReady = function(callback) {
+  document.readyState === "interactive" || document.readyState === "complete" ? callback() : document.addEventListener("DOMContentLoaded", callback);
+};
+domReady(function() {
+  var myform = document.getElementById('upload_form');
+  var filez = document.getElementById('file');
+  myform.onsubmit = function(event) {
+    event.preventDefault();
+    var formData = new FormData();
+    var file = filez.files[0];
+    if(!file) {
+      return false;
+    }
+    formData.append("files", file, file.name);
+    var xhr = new XMLHttpRequest();
+    xhr.upload.addEventListener("progress", function(evt) {
+      if(evt.lengthComputable) {
+        var per = Math.round((evt.loaded / evt.total) * 100);
+        var prg = document.getElementById('prg');
+        prg.innerHTML = per + "%"
+        prg.style.width = per + "%"
+        prg.style.display = "block"
+      }
+    }, false);
+    xhr.open('POST', location.href, true);
+    // Set up a handler for when the request finishes.
+    xhr.onload = function() {
+      if(xhr.status === 200) {
+        //alert('Success');
+      } else {
+        //alert('An error occurred!');
+      }
+    };
+    xhr.send(formData);
+  }
+});
+</script>
+</body>
+</html>
+)=====";
+
+static const char PAGE_INFO[] PROGMEM = R"=====(
+<!DOCTYPE html><html lang="en"><head><meta charset= "utf-8"><meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no">
+<title>)=====" WIFICONFIG_WEBTITLE R"=====(</title>
+<style>
+.c{text-align: center;}
+div,input{padding:5px;font-size:1em;}
+input{width:95%;}
+body{text-align: center;font-family:verdana;}
+button{border:0;border-radius:0.3rem;background-color:#1fa3ec;color:#fff;line-height:2.4rem;font-size:1.2rem;width:100%;}
+.q{float: right;width: 64px;text-align: right;}
+</style>
+</head><body><h1>)=====" WIFICONFIG_TITLE R"=====(</h1><div style='text-align:left;display:inline-block;min-width:260px;'>
+<form><table><tr><th>System Info<th>
+<tr><td>Core Version:<td>$SDK$
+<tr><td>Flash Size:<td>$FS$ kB
+<tr><td>Sketch Size/Free:<td>$SS$ kB / $FSS$ kB
+<tr><td>STA MAC:<td>$STAMAC$
+<tr><td>AP MAC:<td>$APMAC$
+<tr><td>ESP Chip ID:<td>$ESPID$
+<tr><td>Flash Chip ID:<td>$FID$
+</table></form>
+)=====";
+
+static const char PAGE_RESTORE[] PROGMEM = R"=====(
+<form action="/o" method="post">
+<button class="yellow">Předminulá konfigurace</button>
+</form><br/>
+)=====";