8 Commits

7 changed files with 529 additions and 483 deletions

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@ -2,4 +2,4 @@
![Screenshot](doc/images/Screenshot_20180507-100906.png)
Knihovna pro konfiguraci WiFi rozhraní modulu ESP8266
Knihovna pro konfiguraci WiFi rozhraní modulu ESP8266 a ESP32, obsahující Captive portal.

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@ -1,6 +1,6 @@
{
"name":"WiFiConfig",
"description":"Web based WiFi part configuration for the ESP8266 SoC",
"description":"Web based WiFi part configuration for the ESP8266 and ESP32 SoC",
"keywords":"wifi, configuration",
"authors":
{
@ -12,10 +12,10 @@
"type": "git",
"url": "http://git.xpablo.cz/pablo2048/WiFiConfig.git"
},
"version": "5.9",
"version": "6.0",
"license": "MIT",
"frameworks": "arduino",
"platforms": "espressif8266",
"platforms": ["espressif8266", "espressif32"],
"build": {
"libCompatMode": 2
}

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@ -1,9 +1,9 @@
name=WiFiConfig
version=5.9
version=6.0
author=Pavel Brychta
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 WiFi. 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
architectures=esp8266
architectures=esp8266,esp32

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@ -1,4 +1,11 @@
/*
* 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)
@ -67,11 +74,16 @@
* 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>
#if defined(ESP8266)
#include <ESP8266WebServer.h>
#else
#include <WebServer.h>
#endif
#include "WiFiConfig.h"
#include <EEPROM.h>
#include <Ticker.h>
#include <encipheredEEPROMStrings.h>
#include "embHTML.h"
#ifdef DEBUG_ESP_PORT
@ -80,13 +92,19 @@
#define DEBUG_MSG(...)
#endif
#if defined(ESP8266)
extern "C" {
#include "user_interface.h"
}
#define ESP_getChipId() (ESP.getChipId())
#else
#include <esp_wifi.h>
#define ESP_getChipId() ((uint32_t)ESP.getEfuseMac())
#endif
#define DNS_PORT 53
char WiFiDeviceName[elementSize(wificonfigarea_t, devname)]; // misto pro jmeno zarizeni (dodane do DNS, DHCP NBNS apod...)
extern char WiFiDeviceName[];
enum
{
@ -104,7 +122,11 @@ enum
static int configBase; // musi byt trvale ulozene, aby fungovaly metody pro ziskani retezcu z EEPROM
static std::unique_ptr<DNSServer> dnsServer;
#if defined(ESP8266)
static std::unique_ptr<ESP8266WebServer> server;
#else
static std::unique_ptr<WebServer> server;
#endif
static std::unique_ptr<Ticker> rsttick;
const char VALUE[] PROGMEM = "value='";
@ -320,20 +342,32 @@ void WiFiConfig::_handleInfo(void)
reply.concat(F("<form><table><TR><TH>System Info<TH>"));
reply.concat(F("<TR><TD>Core Version:<TD>"));
reply.concat(ESP.getCoreVersion());
#if defined(ESP8266)
reply.concat(ESP.getFullVersion());
#else
// TODO
reply.concat(ESP.getSdkVersion());
#endif
reply.concat(F("<TR><TD>Flash Size:<TD>"));
#if defined(ESP8266)
reply.concat(ESP.getFlashChipRealSize() / 1024);
#else
// TODO
reply.concat(ESP.getFlashChipSize());
#endif
reply.concat(F(" kB"));
#if defined(ESP8266)
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"));
#endif
reply.concat(F("<TR><TD>STA MAC:<TD>"));
uint8_t mac[] = {0, 0, 0, 0, 0, 0};
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]);
@ -345,12 +379,21 @@ void WiFiConfig::_handleInfo(void)
reply.concat(macaddress);
reply.concat(F("<TR><TD>ESP Chip ID:<TD>"));
sprintf_P(buff, PSTR("%06X"), ESP.getChipId());
sprintf_P(buff, PSTR("%06X"), ESP_getChipId());
reply.concat(buff);
#if defined(ESP8266)
reply.concat(F("<TR><TD>Flash Chip ID:<TD>"));
sprintf_P(buff, PSTR("%08X"), ESP.getFlashChipId());
reply.concat(buff);
#endif
#if defined(ESP8266)
uint8_t stations = wifi_softap_get_station_num();
reply.concat(F("<TR><TD>Clients:<TD>"));
reply.concat(stations);
#endif
reply.concat(F("</table></form>"));
server->send(200, FPSTR(TEXTHTML), reply);
@ -364,6 +407,7 @@ void WiFiConfig::_handleRoot(void)
content = FPSTR(PAGE_CAPTIVEPORTALCATCH); // 1. cast stranky
// pridame informaci o stavu pokusu o pripojeni
content.concat(F("<div class=\"vl-info\">Pokus o připojení: "));
#if defined(ESP8266)
switch (_status)
{
case STATION_IDLE:
@ -402,6 +446,9 @@ void WiFiConfig::_handleRoot(void)
content.concat(F("Neznámý"));
break;
}
#else
content.concat(F("Prozatím nedostupné"));
#endif
content.concat(F("</div>"));
content.concat(FPSTR(PAGE_CAPTIVEPORTALCATCH2)); // 2. cast stranky (ukonceni)
server->send(200, FPSTR(TEXTHTML), content);
@ -438,26 +485,25 @@ void WiFiConfig::_handleDisplayAP(void)
s = FPSTR(SSID_ITEM);
s.replace(F("{v}"), WiFi.SSID(i));
s.replace(F("{a}"), String(quality));
#if defined(ESP8266)
s.replace(F("{s}"), (ENC_TYPE_NONE == WiFi.encryptionType(i)) ? F("") : F("l"));
#else
s.replace(F("{s}"), (WIFI_AUTH_OPEN == WiFi.encryptionType(i)) ? F("") : F("l"));
#endif
content.concat(s);
}
}
s = FPSTR(PAGE_INDEX2);
v = _readString(configBase + offsetof(wificonfigarea_t, ssid), elementSize(wificonfigarea_t, ssid));
v = EES_readString(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 = _readString(configBase + offsetof(wificonfigarea_t, pass), elementSize(wificonfigarea_t, pass));
s.replace(F("{s}"), F(""));
v = EES_readString(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 = _readString(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'"));
s.replace(F("{p}"), F(""));
if (EEPROM.read(configBase + offsetof(wificonfigarea_t, mode)) == WIFIMODE_AP)
s.replace(F("{a}"), FPSTR(CHECKED));
else
@ -510,13 +556,10 @@ void WiFiConfig::_handleSetAP(void)
str = server->arg(F("_s"));
if (str.length() > 0)
{
_storeString(configBase + offsetof(wificonfigarea_t, ssid), elementSize(wificonfigarea_t, ssid), str);
EES_storeString(configBase + offsetof(wificonfigarea_t, ssid), elementSize(wificonfigarea_t, ssid), str);
str = server->arg(F("_p"));
_storeString(configBase + offsetof(wificonfigarea_t, pass), elementSize(wificonfigarea_t, pass), str);
str = server->arg(F("_n"));
_storeString(configBase + offsetof(wificonfigarea_t, devname), elementSize(wificonfigarea_t, devname), str);
EES_storeString(configBase + offsetof(wificonfigarea_t, pass), elementSize(wificonfigarea_t, pass), str);
str = server->arg(F("_a"));
if (str.length() > 0)
@ -572,20 +615,20 @@ void WiFiConfig::_handleSetAP(void)
WiFi.disconnect(); // vsechno odpojime
WiFi.persistent(true); // chceme, aby si modul zapamatoval konfiguraci
String s = _readString(configBase + offsetof(wificonfigarea_t, devname), elementSize(wificonfigarea_t, devname));
strcpy(WiFiDeviceName, s.c_str());
s = _readString(configBase + offsetof(wificonfigarea_t, ssid), elementSize(wificonfigarea_t, ssid));
String pass = _readString(configBase + offsetof(wificonfigarea_t, pass), elementSize(wificonfigarea_t, pass));
String s = EES_readString(configBase + offsetof(wificonfigarea_t, ssid), elementSize(wificonfigarea_t, ssid));
String pass = EES_readString(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");
#if defined(ESP8266)
if (strlen(WiFiDeviceName))
{
WiFi.hostname(WiFiDeviceName); // nastavime jmeno zarizeni
}
#endif
if (IPCONFIG_STATIC == EEPROM.read(configBase + offsetof(wificonfigarea_t, ip)))
{
DEBUG_MSG("Static configuration.\r\n");
@ -595,7 +638,18 @@ void WiFiConfig::_handleSetAP(void)
}
WiFi.mode(WIFI_STA); // startujeme WiFi v rezimu klienta
WiFi.begin(s.c_str(), pass.c_str());
#if !defined(ESP8266)
if (strlen(WiFiDeviceName))
{
WiFi.setHostname(WiFiDeviceName); // nastavime jmeno zarizeni
}
#endif
#if defined(ESP8266)
wifi_station_set_auto_connect(true);
#else
//esp_wifi_set_auto_connect(true);
#endif
delay(1000);
}
break;
@ -636,7 +690,11 @@ wificonfigresult_t WiFiConfig::_setupAP(wificonfig_cb cb)
WiFi.persistent(false); // chranime flash pred zbytecnymi prepisy
dnsServer.reset(new DNSServer());
#if defined(ESP8266)
server.reset(new ESP8266WebServer(80));
#else
server.reset(new WebServer(80));
#endif
/* Soft AP network parameters */
IPAddress apIP(192, 168, 4, 1);
@ -648,13 +706,9 @@ wificonfigresult_t WiFiConfig::_setupAP(wificonfig_cb cb)
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());
sprintf_P(lmac, PSTR("%06X"), ESP_getChipId());
ssid.replace(F("?"), String(lmac));
}
WiFi.softAP(ssid.c_str(), NULL, SETUP_CHANNEL);
@ -696,76 +750,66 @@ wificonfigresult_t WiFiConfig::_setupAP(wificonfig_cb cb)
return WCR_TIMEOUT; // nepripojeno, vyprsel timeout konfiguracniho AP
}
String WiFiConfig::_readString(unsigned int start, size_t maxlen)
{
uint8_t mac[WL_MAC_ADDR_LENGTH];
unsigned int enciphidx = 0;
String result;
unsigned int top = EEPROM.read(start);
unsigned int i;
result.reserve(maxlen);
WiFi.softAPmacAddress(mac);
if ((top > 0) && (top < (maxlen - 2)))
{
uint8_t b;
for (i = start + 1; i < + start + top + 1; ++i)
{
b = EEPROM.read(i);
b ^= mac[enciphidx];
++enciphidx;
enciphidx %= WL_MAC_ADDR_LENGTH;
result.concat(char(b));
}
b = EEPROM.read(i) ^ mac[enciphidx];
if (b != 0)
result = F(""); // spatna ukoncovaci nula - neplatny retezec
}
return result;
}
bool WiFiConfig::_storeString(unsigned int start, size_t maxlen, String &string)
{
uint8_t mac[WL_MAC_ADDR_LENGTH];
unsigned int enciphidx = 0;
unsigned int si = 0;
unsigned int top;
char c;
bool result = false; // retezec nebyl ulozeny cely (nevesel s do bufferu)
unsigned int i;
if (string.length() > maxlen - 2)
top = maxlen - 2;
else
{
result = true; // retezec se do urceneho mista vejde
top = string.length();
}
WiFi.softAPmacAddress(mac);
EEPROM.write(start, (uint8_t)top); // ulozime delku retezce (pouzite pr kontrolu pri vycitani)
for (i = start + 1; i < start + maxlen + 1; ++i)
{
c = string[si];
c ^= mac[enciphidx];
++enciphidx;
enciphidx %= WL_MAC_ADDR_LENGTH;
EEPROM.write(i, c);
++si;
}
c = 0 ^ mac[enciphidx];
EEPROM.write(i, c); // ukoncovaci a kontrolni nula
return result;
}
// Testovani, zda se modul pripojil k AP
bool WiFiConfig::_testWifi(wificonfig_cb cb)
{
uint32_t startt = millis();
#if !defined(ESP8266)
// nakonfigurujeme ESP dle nove nastavenych parametru
WiFi.disconnect(); // vsechno odpojime
s = EES_readString(configBase + offsetof(wificonfigarea_t, ssid), elementSize(wificonfigarea_t, ssid));
String pass = EES_readString(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");
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))));
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 (strlen(WiFiDeviceName))
{
WiFi.setHostname(WiFiDeviceName); // nastavime jmeno zarizeni
}
}
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;
}
#endif
DEBUG_MSG("Trying to connect.\r\n");
while ((millis() - startt) < WIFI_STA_CONNECT_TIMEOUT)
{
@ -781,11 +825,15 @@ bool WiFiConfig::_testWifi(wificonfig_cb 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 configarea, uint8_t forceConfigure, wificonfig_cb cb)
wificonfigresult_t WiFiConfig::begin(int configarea, int forceConfigure, wificonfig_cb cb)
{
wificonfigresult_t result = WCR_OK; // predpokladame, ze se pripojeni podari
@ -800,22 +848,25 @@ wificonfigresult_t WiFiConfig::begin(int configarea, uint8_t forceConfigure, wif
}
else
{
#if defined(ESP8266)
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");
DEBUG_MSG("Wrong config (%d, %d)\r\n", EEPROM.read(configBase + offsetof(wificonfigarea_t, mode)), WiFi.getMode());
_status = 0xfe;
result = _setupAP(cb);
}
else
#endif
{
String s = _readString(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:
{
#if defined(ESP8266)
WiFi.hostname(WiFiDeviceName); // nastavime jmeno zarizeni
#else
WiFi.setHostname(WiFiDeviceName);
#endif
if (IPCONFIG_STATIC == EEPROM.read(configBase + offsetof(wificonfigarea_t, ip)))
{
DEBUG_MSG("Static configuration SET.\r\n");
@ -848,18 +899,14 @@ wificonfigresult_t WiFiConfig::begin(int configarea, uint8_t forceConfigure, wif
return result; // mame vyreseno
}
wificonfigresult_t WiFiConfig::begin(int configarea, uint8_t forceConfigure, int timeout, wificonfig_cb cb = NULL)
wificonfigresult_t WiFiConfig::begin(int configarea, int 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

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@ -30,7 +30,11 @@
#ifndef __WiFiConfig_h__
#define __WiFiConfig_h__
#if defined(ESP8266)
#include <ESP8266WiFi.h>
#else
#include <WiFi.h>
#endif
#include <memory>
#define elementSize(type, element) sizeof(((type *)0)->element)
@ -44,7 +48,6 @@ typedef struct
uint8_t ip; // konfigurace ip (staticka/DHCP)
char ssid[32 + 2]; // SSID site
char pass[64 + 2]; // heslo
char devname[32 + 2]; // 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
@ -139,8 +142,6 @@ uint32_t getEEPROMuint32(int start);
*/
void setEEPROMuint32(int start, uint32_t val);
extern char WiFiDeviceName[]; // jmeno zarizeni, pouzivane i pro DHCP
class WiFiConfigUsrParameter
{
public:
@ -169,8 +170,8 @@ 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);
wificonfigresult_t begin(int configarea, int forceConfigure, wificonfig_cb cb);
wificonfigresult_t begin(int configarea, int forceConfigure, int timeout, wificonfig_cb cb);
void addParameter(WiFiConfigUsrParameter *p);
private:
wificonfigresult_t _setupAP(wificonfig_cb cb);

View File

@ -37,7 +37,6 @@ static const char SSID_ITEM[] PROGMEM = R"=====(
/* Zacatek formulare pro vyplneni
{s} - SSID
{p} - password
{n} - Netbios name
{a} - AP mode (checkbox)
{ch}- cislo kanalu AP
{c} - staticka IP konfigurace (checkbox)
@ -48,9 +47,8 @@ static const char SSID_ITEM[] PROGMEM = R"=====(
*/
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}$' title='Jméno dle NetBios konvence (max. 16 znaků písmena, čísla a znaky "_.")' {n}></label><br>
<label>SSID<br><input id='_s' name='_s' maxlength=32 required placeholder='SSID' {s}></label><br>
<label>Heslo<br><input id='_p' name='_p' maxlength=64 {p} type='password' placeholder='heslo'></label><br>
<div>
<label><input id='_a' name='_a' type='checkbox' style="width: 10%; float: left; margin-top: 5px;" onclick='hAP();' {a}>Režim AP</label>
<div id="apconfig">
@ -58,7 +56,7 @@ static const char PAGE_INDEX2[] PROGMEM = R"=====(
</div>
</div>
<div>
<label><input id='_st' name='_st' type='checkbox' style="width: 10%; float: left; margin-top: 5px;" onclick='hSC();' {c}>Staticka IP konfigurace</label>
<label><input id='_st' name='_st' type='checkbox' style="width: 10%; float: left; margin-top: 5px;" onclick='hSC();' {c}>Statická IP konfigurace</label>
<div id="staticip">
<label>IP adresa<br><input type="text" name="_i" pattern='((^|\.)((25[0-5])|(2[0-4]\d)|(1\d\d)|([1-9]?\d))){4}$' 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>