284 lines
12 KiB
C
284 lines
12 KiB
C
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/**************************************************************
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WiFiManager is a library for the ESP8266/Arduino platform
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(https://github.com/esp8266/Arduino) to enable easy
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configuration and reconfiguration of WiFi credentials using a Captive Portal
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inspired by:
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http://www.esp8266.com/viewtopic.php?f=29&t=2520
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https://github.com/chriscook8/esp-arduino-apboot
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https://github.com/esp8266/Arduino/tree/esp8266/hardware/esp8266com/esp8266/libraries/DNSServer/examples/CaptivePortalAdvanced
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Built by AlexT https://github.com/tzapu
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Ported to Async Web Server by https://github.com/alanswx
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Licensed under MIT license
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**************************************************************/
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#ifndef ESPAsyncWiFiManager_h
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#define ESPAsyncWiFiManager_h
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#if defined(ESP8266)
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#include <ESP8266WiFi.h> //https://github.com/esp8266/Arduino
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#else
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#include <WiFi.h>
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#include "esp_wps.h"
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#define ESP_WPS_MODE WPS_TYPE_PBC
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#endif
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#include <ESPAsyncWebServer.h>
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//#define USE_EADNS //Uncomment to use ESPAsyncDNSServer
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#ifdef USE_EADNS
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#include <ESPAsyncDNSServer.h> //https://github.com/devyte/ESPAsyncDNSServer
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//https://github.com/me-no-dev/ESPAsyncUDP
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#else
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#include <DNSServer.h>
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#endif
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#include <memory>
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// fix crash on ESP32 (see https://github.com/alanswx/ESPAsyncWiFiManager/issues/44)
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#if defined(ESP8266)
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typedef int wifi_ssid_count_t;
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#else
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typedef int16_t wifi_ssid_count_t;
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#endif
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#if defined(ESP8266)
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extern "C" {
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#include "user_interface.h"
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}
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#else
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#if __has_include(<esp32/rom/rtc.h>)
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#include <esp32/rom/rtc.h>
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#else
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#include <rom/rtc.h>
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#endif
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#endif
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const char WFM_HTTP_HEAD[] PROGMEM = "<!DOCTYPE html><html lang=\"en\"><head><meta name=\"viewport\" content=\"width=device-width, initial-scale=1, user-scalable=no\"/><title>{v}</title>";
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const char HTTP_STYLE[] PROGMEM = "<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;}</style>";
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const char HTTP_SCRIPT[] PROGMEM = "<script>function c(l){document.getElementById('s').value=l.innerText||l.textContent;document.getElementById('p').focus();}</script>";
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const char HTTP_HEAD_END[] PROGMEM = "</head><body><div style='text-align:left;display:inline-block;min-width:260px;'>";
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const char HTTP_PORTAL_OPTIONS[] PROGMEM = "<form action=\"/wifi\" method=\"get\"><button>Configure WiFi</button></form><br/><form action=\"/0wifi\" method=\"get\"><button>Configure WiFi (No Scan)</button></form><br/><form action=\"/i\" method=\"get\"><button>Info</button></form><br/><form action=\"/r\" method=\"post\"><button>Reset</button></form>";
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const char HTTP_ITEM[] PROGMEM = "<div><a href='#p' onclick='c(this)'>{v}</a> <span class='q {i}'>{r}%</span></div>";
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const char HTTP_FORM_START[] PROGMEM = "<form method='get' action='wifisave'><input id='s' name='s' length=32 placeholder='SSID'><br/><input id='p' name='p' length=64 type='password' placeholder='password'><br/>";
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const char HTTP_FORM_PARAM[] PROGMEM = "<br/><input id='{i}' name='{n}' length={l} placeholder='{p}' value='{v}' {c}>";
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const char HTTP_FORM_END[] PROGMEM = "<br/><button type='submit'>save</button></form>";
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const char HTTP_SCAN_LINK[] PROGMEM = "<br/><div class=\"c\"><a href=\"/wifi\">Scan</a></div>";
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const char HTTP_SAVED[] PROGMEM = "<div>Credentials Saved<br />Trying to connect ESP to network.<br />If it fails reconnect to AP to try again</div>";
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const char HTTP_END[] PROGMEM = "</div></body></html>";
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#define WIFI_MANAGER_MAX_PARAMS 10
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class AsyncWiFiManagerParameter {
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public:
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AsyncWiFiManagerParameter(const char *custom);
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AsyncWiFiManagerParameter(const char *id, const char *placeholder, const char *defaultValue, int length);
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AsyncWiFiManagerParameter(const char *id, const char *placeholder, const char *defaultValue, int length, const char *custom);
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const char *getID();
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const char *getValue();
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const char *getPlaceholder();
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int getValueLength();
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const char *getCustomHTML();
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private:
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const char *_id;
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const char *_placeholder;
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char *_value;
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int _length;
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const char *_customHTML;
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void init(const char *id, const char *placeholder, const char *defaultValue, int length, const char *custom);
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friend class AsyncWiFiManager;
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};
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class WiFiResult
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{
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public:
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bool duplicate;
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String SSID;
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uint8_t encryptionType;
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int32_t RSSI;
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uint8_t* BSSID;
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int32_t channel;
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bool isHidden;
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WiFiResult()
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{
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}
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};
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class AsyncWiFiManager
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{
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public:
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#ifdef USE_EADNS
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AsyncWiFiManager(AsyncWebServer * server, AsyncDNSServer *dns);
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#else
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AsyncWiFiManager(AsyncWebServer * server, DNSServer *dns);
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#endif
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void scan();
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String scanModal();
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void loop();
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void safeLoop();
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void criticalLoop();
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String infoAsString();
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boolean autoConnect(unsigned long maxConnectRetries = 1, unsigned long retryDelayMs = 1000);
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boolean autoConnect(char const *apName, char const *apPassword = NULL, unsigned long maxConnectRetries = 1, unsigned long retryDelayMs = 1000);
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//if you want to always start the config portal, without trying to connect first
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boolean startConfigPortal(char const *apName, char const *apPassword = NULL);
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void startConfigPortalModeless(char const *apName, char const *apPassword);
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// get the AP name of the config portal, so it can be used in the callback
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String getConfigPortalSSID();
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void resetSettings();
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//sets timeout before webserver loop ends and exits even if there has been no setup.
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//usefully for devices that failed to connect at some point and got stuck in a webserver loop
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//in seconds setConfigPortalTimeout is a new name for setTimeout
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void setConfigPortalTimeout(unsigned long seconds);
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void setTimeout(unsigned long seconds);
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//sets timeout for which to attempt connecting, usefull if you get a lot of failed connects
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void setConnectTimeout(unsigned long seconds);
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//wether or not the wifi manager tries to connect to configured access point even when
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//configuration portal (ESP as access point) is running [default true/on]
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void setTryConnectDuringConfigPortal(boolean v);
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void setDebugOutput(boolean debug);
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//defaults to not showing anything under 8% signal quality if called
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void setMinimumSignalQuality(int quality = 8);
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//sets a custom ip /gateway /subnet configuration
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void setAPStaticIPConfig(IPAddress ip, IPAddress gw, IPAddress sn);
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//sets config for a static IP
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void setSTAStaticIPConfig(IPAddress ip, IPAddress gw, IPAddress sn, IPAddress dns1=(uint32_t)0x00000000, IPAddress dns2=(uint32_t)0x00000000);
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//called when AP mode and config portal is started
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void setAPCallback( void (*func)(AsyncWiFiManager*) );
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//called when settings have been changed and connection was successful
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void setSaveConfigCallback( void (*func)(void) );
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//adds a custom parameter
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void addParameter(AsyncWiFiManagerParameter *p);
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//if this is set, it will exit after config, even if connection is unsucessful.
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void setBreakAfterConfig(boolean shouldBreak);
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//if this is set, try WPS setup when starting (this will delay config portal for up to 2 mins)
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//TODO
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//if this is set, customise style
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void setCustomHeadElement(const char* element);
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//if this is true, remove duplicated Access Points - defaut true
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void setRemoveDuplicateAPs(boolean removeDuplicates);
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//sets a custom element to add to options page
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void setCustomOptionsElement(const char* element);
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private:
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AsyncWebServer *server;
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#ifdef USE_EADNS
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AsyncDNSServer *dnsServer;
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#else
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DNSServer *dnsServer;
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#endif
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boolean _modeless;
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int scannow;
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int shouldscan;
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boolean needInfo = true;
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//const int WM_DONE = 0;
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//const int WM_WAIT = 10;
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//const String HTTP_HEAD = "<!DOCTYPE html><html lang=\"en\"><head><meta name=\"viewport\" content=\"width=device-width, initial-scale=1\"/><title>{v}</title>";
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void setupConfigPortal();
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#ifdef NO_EXTRA_4K_HEAP
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void startWPS();
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#endif
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String pager;
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wl_status_t wifiStatus;
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const char* _apName = "no-net";
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const char* _apPassword = NULL;
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String _ssid = "";
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String _pass = "";
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unsigned long _configPortalTimeout = 0;
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unsigned long _connectTimeout = 0;
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unsigned long _configPortalStart = 0;
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IPAddress _ap_static_ip;
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IPAddress _ap_static_gw;
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IPAddress _ap_static_sn;
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IPAddress _sta_static_ip;
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IPAddress _sta_static_gw;
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IPAddress _sta_static_sn;
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IPAddress _sta_static_dns1= (uint32_t)0x00000000;
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IPAddress _sta_static_dns2= (uint32_t)0x00000000;
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int _paramsCount = 0;
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int _minimumQuality = -1;
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boolean _removeDuplicateAPs = true;
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boolean _shouldBreakAfterConfig = false;
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#ifdef NO_EXTRA_4K_HEAP
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boolean _tryWPS = false;
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#endif
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const char* _customHeadElement = "";
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const char* _customOptionsElement = "";
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//String getEEPROMString(int start, int len);
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//void setEEPROMString(int start, int len, String string);
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int status = WL_IDLE_STATUS;
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int connectWifi(String ssid, String pass);
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uint8_t waitForConnectResult();
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void setInfo();
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String networkListAsString();
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void handleRoot(AsyncWebServerRequest *);
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void handleWifi(AsyncWebServerRequest*,boolean scan);
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void handleWifiSave(AsyncWebServerRequest*);
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void handleInfo(AsyncWebServerRequest*);
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void handleReset(AsyncWebServerRequest*);
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void handleNotFound(AsyncWebServerRequest*);
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void handle204(AsyncWebServerRequest*);
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boolean captivePortal(AsyncWebServerRequest*);
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// DNS server
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const byte DNS_PORT = 53;
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//helpers
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int getRSSIasQuality(int RSSI);
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boolean isIp(String str);
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String toStringIp(IPAddress ip);
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boolean connect;
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boolean _debug = true;
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WiFiResult *wifiSSIDs;
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wifi_ssid_count_t wifiSSIDCount;
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boolean wifiSSIDscan;
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boolean _tryConnectDuringConfigPortal = true;
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void (*_apcallback)(AsyncWiFiManager*) = NULL;
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void (*_savecallback)(void) = NULL;
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AsyncWiFiManagerParameter* _params[WIFI_MANAGER_MAX_PARAMS];
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template <typename Generic>
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void DEBUG_WM(Generic text);
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template <class T>
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auto optionalIPFromString(T *obj, const char *s) -> decltype( obj->fromString(s) ) {
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return obj->fromString(s);
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}
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auto optionalIPFromString(...) -> bool {
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DEBUG_WM("NO fromString METHOD ON IPAddress, you need ESP8266 core 2.1.0 or newer for Custom IP configuration to work.");
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return false;
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}
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};
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#endif
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