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  46. AutoConnect for ESP8266/ESP32
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  49. AutoConnect API
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  116. <ul class="md-nav__list" data-md-scrollfix>
  117. <li class="md-nav__item">
  118. <a href="index.html" class="md-nav__link">
  119. Overview
  120. </a>
  121. </li>
  122. <li class="md-nav__item">
  123. <a href="gettingstarted.html" class="md-nav__link">
  124. Getting started
  125. </a>
  126. </li>
  127. <li class="md-nav__item">
  128. <a href="menu.html" class="md-nav__link">
  129. AutoConnect menu
  130. </a>
  131. </li>
  132. <li class="md-nav__item">
  133. <a href="basicusage.html" class="md-nav__link">
  134. Basic usage
  135. </a>
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  138. <input class="md-nav__toggle md-toggle" data-md-toggle="nav-5" type="checkbox" id="nav-5" >
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  140. Advanced usage
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  146. Advanced usage
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  148. <ul class="md-nav__list" data-md-scrollfix>
  149. <li class="md-nav__item">
  150. <a href="advancedusage.html" class="md-nav__link">
  151. Advanced usage
  152. </a>
  153. </li>
  154. <li class="md-nav__item">
  155. <a href="adconnection.html" class="md-nav__link">
  156. AutoConnect WiFi connection control
  157. </a>
  158. </li>
  159. <li class="md-nav__item">
  160. <a href="adcpcontrol.html" class="md-nav__link">
  161. Captive portal control
  162. </a>
  163. </li>
  164. <li class="md-nav__item">
  165. <a href="adnetwork.html" class="md-nav__link">
  166. Settings and controls for network and WiFi
  167. </a>
  168. </li>
  169. <li class="md-nav__item">
  170. <a href="adauthentication.html" class="md-nav__link">
  171. Authentication settings
  172. </a>
  173. </li>
  174. <li class="md-nav__item">
  175. <a href="adcredential.html" class="md-nav__link">
  176. Credential accesses
  177. </a>
  178. </li>
  179. <li class="md-nav__item">
  180. <a href="adexterior.html" class="md-nav__link">
  181. Customizing page appearance
  182. </a>
  183. </li>
  184. <li class="md-nav__item">
  185. <a href="adothers.html" class="md-nav__link">
  186. Other operation settings and controls
  187. </a>
  188. </li>
  189. </ul>
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  193. <input class="md-nav__toggle md-toggle" data-md-toggle="nav-6" type="checkbox" id="nav-6" >
  194. <label class="md-nav__link" for="nav-6">
  195. Custom Web pages
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  197. </label>
  198. <nav class="md-nav" aria-label="Custom Web pages" data-md-level="1">
  199. <label class="md-nav__title" for="nav-6">
  200. <span class="md-nav__icon md-icon"></span>
  201. Custom Web pages
  202. </label>
  203. <ul class="md-nav__list" data-md-scrollfix>
  204. <li class="md-nav__item">
  205. <a href="acintro.html" class="md-nav__link">
  206. Custom Web pages with AutoConnect
  207. </a>
  208. </li>
  209. <li class="md-nav__item">
  210. <a href="acelements.html" class="md-nav__link">
  211. AutoConnectElements
  212. </a>
  213. </li>
  214. <li class="md-nav__item">
  215. <a href="acjson.html" class="md-nav__link">
  216. Custom Web pages with JSON
  217. </a>
  218. </li>
  219. <li class="md-nav__item">
  220. <a href="achandling.html" class="md-nav__link">
  221. Handling the custom Web pages
  222. </a>
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  224. </ul>
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  229. <label class="md-nav__link" for="nav-7">
  230. OTA Updates
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  232. </label>
  233. <nav class="md-nav" aria-label="OTA Updates" data-md-level="1">
  234. <label class="md-nav__title" for="nav-7">
  235. <span class="md-nav__icon md-icon"></span>
  236. OTA Updates
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  238. <ul class="md-nav__list" data-md-scrollfix>
  239. <li class="md-nav__item">
  240. <a href="otaupdate.html" class="md-nav__link">
  241. OTA Updates
  242. </a>
  243. </li>
  244. <li class="md-nav__item">
  245. <a href="otabrowser.html" class="md-nav__link">
  246. Using Web Browser
  247. </a>
  248. </li>
  249. <li class="md-nav__item">
  250. <a href="otaserver.html" class="md-nav__link">
  251. Using Update Server
  252. </a>
  253. </li>
  254. </ul>
  255. </nav>
  256. </li>
  257. <li class="md-nav__item md-nav__item--active md-nav__item--nested">
  258. <input class="md-nav__toggle md-toggle" data-md-toggle="nav-8" type="checkbox" id="nav-8" checked>
  259. <label class="md-nav__link" for="nav-8">
  260. Library APIs
  261. <span class="md-nav__icon md-icon"></span>
  262. </label>
  263. <nav class="md-nav" aria-label="Library APIs" data-md-level="1">
  264. <label class="md-nav__title" for="nav-8">
  265. <span class="md-nav__icon md-icon"></span>
  266. Library APIs
  267. </label>
  268. <ul class="md-nav__list" data-md-scrollfix>
  269. <li class="md-nav__item md-nav__item--active">
  270. <input class="md-nav__toggle md-toggle" data-md-toggle="toc" type="checkbox" id="__toc">
  271. <label class="md-nav__link md-nav__link--active" for="__toc">
  272. AutoConnect API
  273. <span class="md-nav__icon md-icon"></span>
  274. </label>
  275. <a href="api.html" class="md-nav__link md-nav__link--active">
  276. AutoConnect API
  277. </a>
  278. <nav class="md-nav md-nav--secondary" aria-label="Table of contents">
  279. <label class="md-nav__title" for="__toc">
  280. <span class="md-nav__icon md-icon"></span>
  281. Table of contents
  282. </label>
  283. <ul class="md-nav__list" data-md-scrollfix>
  284. <li class="md-nav__item">
  285. <a href="#include-headers" class="md-nav__link">
  286. Include headers
  287. </a>
  288. <nav class="md-nav" aria-label=" Include headers">
  289. <ul class="md-nav__list">
  290. <li class="md-nav__item">
  291. <a href="#autoconnecth" class="md-nav__link">
  292. AutoConnect.h
  293. </a>
  294. </li>
  295. </ul>
  296. </nav>
  297. </li>
  298. <li class="md-nav__item">
  299. <a href="#defined-macros" class="md-nav__link">
  300. Defined macros
  301. </a>
  302. </li>
  303. <li class="md-nav__item">
  304. <a href="#constructors" class="md-nav__link">
  305. Constructors
  306. </a>
  307. <nav class="md-nav" aria-label=" Constructors">
  308. <ul class="md-nav__list">
  309. <li class="md-nav__item">
  310. <a href="#autoconnect" class="md-nav__link">
  311. AutoConnect
  312. </a>
  313. </li>
  314. </ul>
  315. </nav>
  316. </li>
  317. <li class="md-nav__item">
  318. <a href="#public-member-functions" class="md-nav__link">
  319. Public member functions
  320. </a>
  321. <nav class="md-nav" aria-label=" Public member functions">
  322. <ul class="md-nav__list">
  323. <li class="md-nav__item">
  324. <a href="#append" class="md-nav__link">
  325. append
  326. </a>
  327. </li>
  328. <li class="md-nav__item">
  329. <a href="#aux" class="md-nav__link">
  330. aux
  331. </a>
  332. </li>
  333. <li class="md-nav__item">
  334. <a href="#begin" class="md-nav__link">
  335. begin
  336. </a>
  337. </li>
  338. <li class="md-nav__item">
  339. <a href="#config" class="md-nav__link">
  340. config
  341. </a>
  342. </li>
  343. <li class="md-nav__item">
  344. <a href="#detach" class="md-nav__link">
  345. detach
  346. </a>
  347. </li>
  348. <li class="md-nav__item">
  349. <a href="#disablemenu" class="md-nav__link">
  350. disableMenu
  351. </a>
  352. </li>
  353. <li class="md-nav__item">
  354. <a href="#enablemenu" class="md-nav__link">
  355. enableMenu
  356. </a>
  357. </li>
  358. <li class="md-nav__item">
  359. <a href="#end" class="md-nav__link">
  360. end
  361. </a>
  362. </li>
  363. <li class="md-nav__item">
  364. <a href="#geteepromusedsize" class="md-nav__link">
  365. getEEPROMUsedSize
  366. </a>
  367. </li>
  368. <li class="md-nav__item">
  369. <a href="#handleclient" class="md-nav__link">
  370. handleClient
  371. </a>
  372. </li>
  373. <li class="md-nav__item">
  374. <a href="#handlerequest" class="md-nav__link">
  375. handleRequest
  376. </a>
  377. </li>
  378. <li class="md-nav__item">
  379. <a href="#home" class="md-nav__link">
  380. home
  381. </a>
  382. </li>
  383. <li class="md-nav__item">
  384. <a href="#host" class="md-nav__link">
  385. host
  386. </a>
  387. </li>
  388. <li class="md-nav__item">
  389. <a href="#join" class="md-nav__link">
  390. join
  391. </a>
  392. </li>
  393. <li class="md-nav__item">
  394. <a href="#load" class="md-nav__link">
  395. load
  396. </a>
  397. </li>
  398. <li class="md-nav__item">
  399. <a href="#on" class="md-nav__link">
  400. on
  401. </a>
  402. </li>
  403. <li class="md-nav__item">
  404. <a href="#onconnect" class="md-nav__link">
  405. onConnect
  406. </a>
  407. </li>
  408. <li class="md-nav__item">
  409. <a href="#ondetect" class="md-nav__link">
  410. onDetect
  411. </a>
  412. </li>
  413. <li class="md-nav__item">
  414. <a href="#onnotfound" class="md-nav__link">
  415. onNotFound
  416. </a>
  417. </li>
  418. <li class="md-nav__item">
  419. <a href="#where" class="md-nav__link">
  420. where
  421. </a>
  422. </li>
  423. <li class="md-nav__item">
  424. <a href="#whilecaptiveportal" class="md-nav__link">
  425. whileCaptivePortal
  426. </a>
  427. </li>
  428. </ul>
  429. </nav>
  430. </li>
  431. </ul>
  432. </nav>
  433. </li>
  434. <li class="md-nav__item">
  435. <a href="apiaux.html" class="md-nav__link">
  436. AutoConnectAux API
  437. </a>
  438. </li>
  439. <li class="md-nav__item">
  440. <a href="apiconfig.html" class="md-nav__link">
  441. AutoConnectConfig API
  442. </a>
  443. </li>
  444. <li class="md-nav__item">
  445. <a href="apielements.html" class="md-nav__link">
  446. AutoConnectElements API
  447. </a>
  448. </li>
  449. <li class="md-nav__item">
  450. <a href="apiupdate.html" class="md-nav__link">
  451. AutoConnectUpdate API
  452. </a>
  453. </li>
  454. <li class="md-nav__item">
  455. <a href="apiextra.html" class="md-nav__link">
  456. Something extra
  457. </a>
  458. </li>
  459. </ul>
  460. </nav>
  461. </li>
  462. <li class="md-nav__item md-nav__item--nested">
  463. <input class="md-nav__toggle md-toggle" data-md-toggle="nav-9" type="checkbox" id="nav-9" >
  464. <label class="md-nav__link" for="nav-9">
  465. Examples
  466. <span class="md-nav__icon md-icon"></span>
  467. </label>
  468. <nav class="md-nav" aria-label="Examples" data-md-level="1">
  469. <label class="md-nav__title" for="nav-9">
  470. <span class="md-nav__icon md-icon"></span>
  471. Examples
  472. </label>
  473. <ul class="md-nav__list" data-md-scrollfix>
  474. <li class="md-nav__item">
  475. <a href="howtoembed.html" class="md-nav__link">
  476. How to embed
  477. </a>
  478. </li>
  479. <li class="md-nav__item">
  480. <a href="datatips.html" class="md-nav__link">
  481. Tips for data conversion
  482. </a>
  483. </li>
  484. <li class="md-nav__item">
  485. <a href="menuize.html" class="md-nav__link">
  486. Attach the menus
  487. </a>
  488. </li>
  489. <li class="md-nav__item">
  490. <a href="wojson.html" class="md-nav__link">
  491. Custom Web pages w/o JSON
  492. </a>
  493. </li>
  494. </ul>
  495. </nav>
  496. </li>
  497. <li class="md-nav__item md-nav__item--nested">
  498. <input class="md-nav__toggle md-toggle" data-md-toggle="nav-10" type="checkbox" id="nav-10" >
  499. <label class="md-nav__link" for="nav-10">
  500. Appendix
  501. <span class="md-nav__icon md-icon"></span>
  502. </label>
  503. <nav class="md-nav" aria-label="Appendix" data-md-level="1">
  504. <label class="md-nav__title" for="nav-10">
  505. <span class="md-nav__icon md-icon"></span>
  506. Appendix
  507. </label>
  508. <ul class="md-nav__list" data-md-scrollfix>
  509. <li class="md-nav__item">
  510. <a href="lsbegin.html" class="md-nav__link">
  511. Inside AutoConnect::begin
  512. </a>
  513. </li>
  514. <li class="md-nav__item">
  515. <a href="credit.html" class="md-nav__link">
  516. Saved credentials access
  517. </a>
  518. </li>
  519. <li class="md-nav__item">
  520. <a href="acupload.html" class="md-nav__link">
  521. File upload handler
  522. </a>
  523. </li>
  524. <li class="md-nav__item">
  525. <a href="colorized.html" class="md-nav__link">
  526. Custom colorized
  527. </a>
  528. </li>
  529. <li class="md-nav__item">
  530. <a href="changelabel.html" class="md-nav__link">
  531. Change label text
  532. </a>
  533. </li>
  534. </ul>
  535. </nav>
  536. </li>
  537. <li class="md-nav__item">
  538. <a href="faq.html" class="md-nav__link">
  539. FAQ
  540. </a>
  541. </li>
  542. <li class="md-nav__item">
  543. <a href="changelog.html" class="md-nav__link">
  544. Change log
  545. </a>
  546. </li>
  547. <li class="md-nav__item">
  548. <a href="license.html" class="md-nav__link">
  549. License
  550. </a>
  551. </li>
  552. </ul>
  553. </nav>
  554. </div>
  555. </div>
  556. </div>
  557. <div class="md-sidebar md-sidebar--secondary" data-md-component="toc">
  558. <div class="md-sidebar__scrollwrap">
  559. <div class="md-sidebar__inner">
  560. <nav class="md-nav md-nav--secondary" aria-label="Table of contents">
  561. <label class="md-nav__title" for="__toc">
  562. <span class="md-nav__icon md-icon"></span>
  563. Table of contents
  564. </label>
  565. <ul class="md-nav__list" data-md-scrollfix>
  566. <li class="md-nav__item">
  567. <a href="#include-headers" class="md-nav__link">
  568. Include headers
  569. </a>
  570. <nav class="md-nav" aria-label=" Include headers">
  571. <ul class="md-nav__list">
  572. <li class="md-nav__item">
  573. <a href="#autoconnecth" class="md-nav__link">
  574. AutoConnect.h
  575. </a>
  576. </li>
  577. </ul>
  578. </nav>
  579. </li>
  580. <li class="md-nav__item">
  581. <a href="#defined-macros" class="md-nav__link">
  582. Defined macros
  583. </a>
  584. </li>
  585. <li class="md-nav__item">
  586. <a href="#constructors" class="md-nav__link">
  587. Constructors
  588. </a>
  589. <nav class="md-nav" aria-label=" Constructors">
  590. <ul class="md-nav__list">
  591. <li class="md-nav__item">
  592. <a href="#autoconnect" class="md-nav__link">
  593. AutoConnect
  594. </a>
  595. </li>
  596. </ul>
  597. </nav>
  598. </li>
  599. <li class="md-nav__item">
  600. <a href="#public-member-functions" class="md-nav__link">
  601. Public member functions
  602. </a>
  603. <nav class="md-nav" aria-label=" Public member functions">
  604. <ul class="md-nav__list">
  605. <li class="md-nav__item">
  606. <a href="#append" class="md-nav__link">
  607. append
  608. </a>
  609. </li>
  610. <li class="md-nav__item">
  611. <a href="#aux" class="md-nav__link">
  612. aux
  613. </a>
  614. </li>
  615. <li class="md-nav__item">
  616. <a href="#begin" class="md-nav__link">
  617. begin
  618. </a>
  619. </li>
  620. <li class="md-nav__item">
  621. <a href="#config" class="md-nav__link">
  622. config
  623. </a>
  624. </li>
  625. <li class="md-nav__item">
  626. <a href="#detach" class="md-nav__link">
  627. detach
  628. </a>
  629. </li>
  630. <li class="md-nav__item">
  631. <a href="#disablemenu" class="md-nav__link">
  632. disableMenu
  633. </a>
  634. </li>
  635. <li class="md-nav__item">
  636. <a href="#enablemenu" class="md-nav__link">
  637. enableMenu
  638. </a>
  639. </li>
  640. <li class="md-nav__item">
  641. <a href="#end" class="md-nav__link">
  642. end
  643. </a>
  644. </li>
  645. <li class="md-nav__item">
  646. <a href="#geteepromusedsize" class="md-nav__link">
  647. getEEPROMUsedSize
  648. </a>
  649. </li>
  650. <li class="md-nav__item">
  651. <a href="#handleclient" class="md-nav__link">
  652. handleClient
  653. </a>
  654. </li>
  655. <li class="md-nav__item">
  656. <a href="#handlerequest" class="md-nav__link">
  657. handleRequest
  658. </a>
  659. </li>
  660. <li class="md-nav__item">
  661. <a href="#home" class="md-nav__link">
  662. home
  663. </a>
  664. </li>
  665. <li class="md-nav__item">
  666. <a href="#host" class="md-nav__link">
  667. host
  668. </a>
  669. </li>
  670. <li class="md-nav__item">
  671. <a href="#join" class="md-nav__link">
  672. join
  673. </a>
  674. </li>
  675. <li class="md-nav__item">
  676. <a href="#load" class="md-nav__link">
  677. load
  678. </a>
  679. </li>
  680. <li class="md-nav__item">
  681. <a href="#on" class="md-nav__link">
  682. on
  683. </a>
  684. </li>
  685. <li class="md-nav__item">
  686. <a href="#onconnect" class="md-nav__link">
  687. onConnect
  688. </a>
  689. </li>
  690. <li class="md-nav__item">
  691. <a href="#ondetect" class="md-nav__link">
  692. onDetect
  693. </a>
  694. </li>
  695. <li class="md-nav__item">
  696. <a href="#onnotfound" class="md-nav__link">
  697. onNotFound
  698. </a>
  699. </li>
  700. <li class="md-nav__item">
  701. <a href="#where" class="md-nav__link">
  702. where
  703. </a>
  704. </li>
  705. <li class="md-nav__item">
  706. <a href="#whilecaptiveportal" class="md-nav__link">
  707. whileCaptivePortal
  708. </a>
  709. </li>
  710. </ul>
  711. </nav>
  712. </li>
  713. </ul>
  714. </nav>
  715. </div>
  716. </div>
  717. </div>
  718. <div class="md-content">
  719. <article class="md-content__inner md-typeset">
  720. <h1>AutoConnect API</h1>
  721. <h2 id="include-headers"><i class="fa fa-code"></i> Include headers<a class="headerlink" href="#include-headers" title="Permanent link">&para;</a></h2>
  722. <h3 id="autoconnecth">AutoConnect.h<a class="headerlink" href="#autoconnecth" title="Permanent link">&para;</a></h3>
  723. <div class="highlight" style="background: #272822"><pre style="line-height: 125%; margin: 0;"><span></span><code><span style="color: #75715e">#include</span> <span style="color: #75715e">&lt;AutoConnect.h&gt;</span>
  724. </code></pre></div>
  725. <h2 id="defined-macros"><i class="fa fa-code"></i> Defined macros<a class="headerlink" href="#defined-macros" title="Permanent link">&para;</a></h2>
  726. <p>They contain in <code>AutoConnectDefs.h</code>.</p>
  727. <div class="highlight" style="background: #272822"><pre style="line-height: 125%; margin: 0;"><span></span><code><span style="color: #75715e">#define AC_USE_SPIFFS // Use SPIFFS for the file system on the onboard flash, assumes LittleFS if not defined.</span>
  728. <span style="color: #75715e">#define AC_DEBUG // Monitor message output activation</span>
  729. <span style="color: #75715e">#define AC_DEBUG_PORT Serial // Default message output device</span>
  730. <span style="color: #75715e">#define AUTOCONNECT_AP_IP 0x011CD9AC // Default SoftAP IP</span>
  731. <span style="color: #75715e">#define AUTOCONNECT_AP_GW 0x011CD9AC // Default SoftAP Gateway IP</span>
  732. <span style="color: #75715e">#define AUTOCONNECT_AP_NM 0x00FFFFFF // Default subnet mask</span>
  733. <span style="color: #75715e">#define AUTOCONNECT_DNSPORT 53 // Default DNS port at captive portal</span>
  734. <span style="color: #75715e">#define AUTOCONNECT_HTTPPORT 80 // Default HTTP</span>
  735. <span style="color: #75715e">#define AUTOCONNECT_MENU_TITLE &quot;AutoConnect&quot; // Default AutoConnect menu title</span>
  736. <span style="color: #75715e">#define AUTOCONNECT_URI &quot;/_ac&quot; // Default AutoConnect root path</span>
  737. <span style="color: #75715e">#define AUTOCONNECT_TIMEOUT 30000 // Default connection timeout[ms]</span>
  738. <span style="color: #75715e">#define AUTOCONNECT_CAPTIVEPORTAL_TIMEOUT 0 // Captive portal timeout value</span>
  739. <span style="color: #75715e">#define AUTOCONNECT_STARTUPTIME 30 // Default waiting time[s] for after reset</span>
  740. <span style="color: #75715e">#define AUTOCONNECT_USE_JSON // Allow AutoConnect elements to be handled by JSON format</span>
  741. <span style="color: #75715e">#define AUTOCONNECT_USE_UPDATE // Indicator of whether to use the AutoConnectUpdate feature.</span>
  742. <span style="color: #75715e">#define AUTOCONNECT_UPDATE_PORT 8000 // Available HTTP port number for the update</span>
  743. <span style="color: #75715e">#define AUTOCONNECT_UPDATE_TIMEOUT 8000 // HTTP client timeout limitation for the update [ms]</span>
  744. <span style="color: #75715e">#define AUTOCONNECT_TICKER_PORT LED_BUILTIN // Ticker port</span>
  745. <span style="color: #75715e">#endif</span>
  746. </code></pre></div>
  747. <div class="admonition note">
  748. <p class="admonition-title">Macros placement moved</p>
  749. <p>Source code placement of the above macros provided for user sketch changed from v0.9.7. The new code is in <code>AutoConnectDefs.h</code>.</p>
  750. </div>
  751. <h2 id="constructors"><i class="fa fa-code"></i> Constructors<a class="headerlink" href="#constructors" title="Permanent link">&para;</a></h2>
  752. <h3 id="autoconnect">AutoConnect<a class="headerlink" href="#autoconnect" title="Permanent link">&para;</a></h3>
  753. <div class="highlight" style="background: #272822"><pre style="line-height: 125%; margin: 0;"><span></span><code><span style="color: #f8f8f2">AutoConnect()</span>
  754. </code></pre></div>
  755. <p>AutoConnect default constructor. This entry internally allocates the ESP8266WebServer for ESP8266 or WebServer for ESP32 and is activated internally.</p>
  756. <p>AutoConnect will call the user added handler to respond to the HTTP request using the <a href="https://github.com/esp8266/Arduino/tree/master/libraries/ESP8266WebServer#client-request-handlers"><strong>ESP8266WebServer::on</strong></a> (WebServer::on for ESP32) funtion. This call will be made from during the <a href="api.html#handleclient"><strong>handleClient</strong></a> of AutoConnect function.<br />
  757. Therefore, in the use case of assigning AutoConnect in this constructor, it is necessary to know the instance of ESP8266WebServer in order to register the request handler. Sketch can use <a href="api.html#host"><strong>host</strong></a> functions to obtain a reference to an ESP8266WebServer instance that is internally hosted by AutoConnect.</p>
  758. <ul>
  759. <li>For ESP8266</li>
  760. </ul>
  761. <div class="highlight" style="background: #272822"><pre style="line-height: 125%; margin: 0;"><span></span><code><span style="color: #f8f8f2">AutoConnect(ESP8266WebServer</span><span style="color: #f92672">&amp;</span> <span style="color: #f8f8f2">webServer)</span>
  762. </code></pre></div>
  763. <ul>
  764. <li>For ESP32</li>
  765. </ul>
  766. <div class="highlight" style="background: #272822"><pre style="line-height: 125%; margin: 0;"><span></span><code><span style="color: #f8f8f2">AutoConnect(WebServer</span><span style="color: #f92672">&amp;</span> <span style="color: #f8f8f2">webServer)</span>
  767. </code></pre></div>
  768. <p>Run the AutoConnect site using the externally ensured ESP8266WebServer for ESP8266 or WebServer for ESP32.<dl class="apidl">
  769. <dt><strong>Parameter</strong></dt>
  770. <dd><span class="apidef">webServer</span><span class="apidesc">A reference of ESP8266WebServer or WebServer instance.</span></dd></dl></p>
  771. <h2 id="public-member-functions"><i class="fa fa-code"></i> Public member functions<a class="headerlink" href="#public-member-functions" title="Permanent link">&para;</a></h2>
  772. <h3 id="append"><i class="fa fa-caret-right"></i> append<a class="headerlink" href="#append" title="Permanent link">&para;</a></h3>
  773. <ul>
  774. <li>ESP8266/ESP32 Common</li>
  775. </ul>
  776. <div class="highlight" style="background: #272822"><pre style="line-height: 125%; margin: 0;"><span></span><code><span style="color: #f8f8f2">AutoConnectAux</span><span style="color: #f92672">*</span> <span style="color: #f8f8f2">append(</span><span style="color: #66d9ef">const</span> <span style="color: #f8f8f2">String</span><span style="color: #f92672">&amp;</span> <span style="color: #f8f8f2">uri,</span> <span style="color: #66d9ef">const</span> <span style="color: #f8f8f2">String</span><span style="color: #f92672">&amp;</span> <span style="color: #f8f8f2">title)</span>
  777. </code></pre></div>
  778. <ul>
  779. <li>For ESP8266</li>
  780. </ul>
  781. <div class="highlight" style="background: #272822"><pre style="line-height: 125%; margin: 0;"><span></span><code><span style="color: #f8f8f2">AutoConnectAux</span><span style="color: #f92672">*</span> <span style="color: #f8f8f2">append(</span><span style="color: #66d9ef">const</span> <span style="color: #f8f8f2">String</span><span style="color: #f92672">&amp;</span> <span style="color: #f8f8f2">uri,</span> <span style="color: #66d9ef">const</span> <span style="color: #f8f8f2">String</span><span style="color: #f92672">&amp;</span> <span style="color: #f8f8f2">title,</span> <span style="color: #f8f8f2">ESP8266WebServer</span><span style="color: #f92672">::</span><span style="color: #f8f8f2">THandlerFunction</span> <span style="color: #f8f8f2">handler)</span>
  782. </code></pre></div>
  783. <ul>
  784. <li>For ESP32</li>
  785. </ul>
  786. <div class="highlight" style="background: #272822"><pre style="line-height: 125%; margin: 0;"><span></span><code><span style="color: #f8f8f2">AutoConnectAux</span><span style="color: #f92672">*</span> <span style="color: #f8f8f2">append(</span><span style="color: #66d9ef">const</span> <span style="color: #f8f8f2">String</span><span style="color: #f92672">&amp;</span> <span style="color: #f8f8f2">uri,</span> <span style="color: #66d9ef">const</span> <span style="color: #f8f8f2">String</span><span style="color: #f92672">&amp;</span> <span style="color: #f8f8f2">title,</span> <span style="color: #f8f8f2">WebServer</span><span style="color: #f92672">::</span><span style="color: #f8f8f2">THandlerFunction</span> <span style="color: #f8f8f2">handler)</span>
  787. </code></pre></div>
  788. <p>Creates an AutoConnectAux dynamically with the specified URI and integrates it into the menu. Calls with a request handler parameter can use this function as menu registration for a legacy page of ESP8266WebServer/WebServer. If the <strong>handler</strong> parameter specified, also it will register the request handler for the ESP8266WebServer/WebServer.<br />
  789. AutoConnect manages the menu items using a sequence list, and this function always adds the item to the end of the list. Therefore, the order of the menu items is the additional order.<br />
  790. Returns the pointer to created AutoConnectAux instance, the <code>nullptr</code> if an AutoConnectAux with the same URI already exists.<dl class="apidl">
  791. <dt><strong>Parameter</strong></dt>
  792. <dd><span class="apidef">uri</span><span class="apidesc">A string of the URI.</span></dd>
  793. <dd><span class="apidef">title</span><span class="apidesc">Title for menu item.</span></dd>
  794. <dd><span class="apidef">handler</span><span class="apidesc">Request handler function as type of <strong>ESP8266WebServer::THandlerFunction</strong>/<strong>WebServer::THandlerFunction</strong>.</span></dd>
  795. <dt><strong>Return value</strong></dt>
  796. <dd>A Pointer to a created AutoConnectAux instance.</dd></dl></p>
  797. <div class="admonition note">
  798. <p class="admonition-title">An instance of ESP8266WebServer/WebServer is needed</p>
  799. <p>The WebServer must have instantiated for calling with a request handler parameter. AutoConnect can instantiate and host a WebServer internally, but in that case, the point in time to call the append function with a request handler parameter must be after AutoConnect::begin.</p>
  800. </div>
  801. <h3 id="aux"><i class="fa fa-caret-right"></i> aux<a class="headerlink" href="#aux" title="Permanent link">&para;</a></h3>
  802. <div class="highlight" style="background: #272822"><pre style="line-height: 125%; margin: 0;"><span></span><code><span style="color: #f8f8f2">AutoConnectAux</span><span style="color: #f92672">*</span> <span style="color: #f8f8f2">aux(</span><span style="color: #66d9ef">const</span> <span style="color: #f8f8f2">String</span><span style="color: #f92672">&amp;</span> <span style="color: #f8f8f2">uri)</span> <span style="color: #66d9ef">const</span>
  803. </code></pre></div>
  804. <p>Returns a pointer to AutoConnectAux with the URI specified by <em>uri</em>. If AutoConnectAux with that URI is not bound, it returns <strong>nullptr</strong>.<dl class="apidl">
  805. <dt><strong>Parameter</strong></dt>
  806. <dd><span class="apidef">uri</span><span class="apidesc">A string of the URI.</span></dd>
  807. <dt><strong>Return value</strong></dt>
  808. <dd>A Pointer of the AutoConnectAux instance.</dd>
  809. </dl></p>
  810. <h3 id="begin"><i class="fa fa-caret-right"></i> begin<a class="headerlink" href="#begin" title="Permanent link">&para;</a></h3>
  811. <div class="highlight" style="background: #272822"><pre style="line-height: 125%; margin: 0;"><span></span><code><span style="color: #66d9ef">bool</span> <span style="color: #f8f8f2">begin()</span>
  812. </code></pre></div>
  813. <p></p>
  814. <div class="highlight" style="background: #272822"><pre style="line-height: 125%; margin: 0;"><span></span><code><span style="color: #66d9ef">bool</span> <span style="color: #f8f8f2">begin(</span><span style="color: #66d9ef">const</span> <span style="color: #66d9ef">char</span><span style="color: #f92672">*</span> <span style="color: #f8f8f2">ssid,</span> <span style="color: #66d9ef">const</span> <span style="color: #66d9ef">char</span><span style="color: #f92672">*</span> <span style="color: #f8f8f2">passphrase)</span>
  815. </code></pre></div>
  816. <p></p>
  817. <div class="highlight" style="background: #272822"><pre style="line-height: 125%; margin: 0;"><span></span><code><span style="color: #66d9ef">bool</span> <span style="color: #f8f8f2">begin(</span><span style="color: #66d9ef">const</span> <span style="color: #66d9ef">char</span><span style="color: #f92672">*</span> <span style="color: #f8f8f2">ssid,</span> <span style="color: #66d9ef">const</span> <span style="color: #66d9ef">char</span><span style="color: #f92672">*</span> <span style="color: #f8f8f2">passphrase,</span> <span style="color: #66d9ef">unsigned</span> <span style="color: #66d9ef">long</span> <span style="color: #f8f8f2">timeout)</span>
  818. </code></pre></div>
  819. <p>Starts establishing the WiFi connection. The WiFi mode at this time is WIFI_STA.<br />
  820. AutoConnect first invokes <em>WiFi.begin</em>. If the <em>ssid</em> and the <em>passphrase</em> are missing, its <em>WiFi.begin</em> has no SSID and Password. Regardless of the result, ESP8266WebServer/WebServer will start immediately after the first <em>WiFi.begin</em>.<br />
  821. The captive portal will not be started if the connection has been established with first <em>WiFi.begin</em>. If the connection cannot establish, switch to WIFI_AP_STA mode and activate SoftAP. Then DNS server starts.<dl class="apidl">
  822. <dt><strong>Parameters</strong></dt>
  823. <dd><span class="apidef">ssid</span><span class="apidesc">SSID to be connected.</span></dd>
  824. <dd><span class="apidef">passphrase</span><span class="apidesc">Password for connection.</span></dd>
  825. <dd><span class="apidef">timeout</span><span class="apidesc">A time out value in milliseconds for waiting connection.</span></dd>
  826. <dt><strong>Return value</strong></dt>
  827. <dd><span class="apidef">true</span><span class="apidesc">Connection established, AutoConnect service started with WIFI_STA mode.</span></dd>
  828. <dd><span class="apidef">false</span><span class="apidesc">Could not connected, Captive portal started with WIFI_AP_STA mode.</span></dd></dl></p>
  829. <h3 id="config"><i class="fa fa-caret-right"></i> config<a class="headerlink" href="#config" title="Permanent link">&para;</a></h3>
  830. <div class="highlight" style="background: #272822"><pre style="line-height: 125%; margin: 0;"><span></span><code><span style="color: #66d9ef">bool</span> <span style="color: #f8f8f2">config(AutoConnectConfig</span><span style="color: #f92672">&amp;</span> <span style="color: #f8f8f2">config)</span>
  831. </code></pre></div>
  832. <p></p>
  833. <div class="highlight" style="background: #272822"><pre style="line-height: 125%; margin: 0;"><span></span><code><span style="color: #66d9ef">bool</span> <span style="color: #f8f8f2">config(</span><span style="color: #66d9ef">const</span> <span style="color: #66d9ef">char</span><span style="color: #f92672">*</span> <span style="color: #f8f8f2">ap,</span> <span style="color: #66d9ef">const</span> <span style="color: #66d9ef">char</span><span style="color: #f92672">*</span> <span style="color: #f8f8f2">password</span> <span style="color: #f92672">=</span> <span style="color: #66d9ef">nullptr</span><span style="color: #f8f8f2">)</span>
  834. </code></pre></div>
  835. <p>Set AutoConnect configuration settings.<dl class="apidl">
  836. <dt><strong>Parameters</strong></dt>
  837. <dd><span class="apidef">config</span><span class="apidesc">Reference to <a href="apiconfig.html"><strong>AutoConnectConfig</strong></a> containing SoftAP's parameters and static IP parameters.</span></dd>
  838. <dd><span class="apidef">ap</span><span class="apidesc">SSID for SoftAP. The default value is <strong>esp8266ap</strong> for ESP8266, <strong>esp32ap</strong> for ESP32.</span></dd>
  839. <dd><span class="apidef">password</span><span class="apidesc">Password for SodtAP. The default value is <strong>12345678</strong>.</span></dd>
  840. <dt><strong>Return value</strong></dt>
  841. <dd><span class="apidef">true</span><span class="apidesc">Successfully configured.</span></dd>
  842. <dd><span class="apidef">false</span><span class="aidesc">Configuration parameter is invalid, some values out of range.</span></dd></dl></p>
  843. <h3 id="detach"><i class="fa fa-caret-right"></i> detach<a class="headerlink" href="#detach" title="Permanent link">&para;</a></h3>
  844. <div class="highlight" style="background: #272822"><pre style="line-height: 125%; margin: 0;"><span></span><code><span style="color: #66d9ef">bool</span> <span style="color: #f8f8f2">detach(</span><span style="color: #66d9ef">const</span> <span style="color: #f8f8f2">String</span><span style="color: #f92672">&amp;</span> <span style="color: #f8f8f2">uri)</span>
  845. </code></pre></div>
  846. <p>Detach the AutoConnectAux with the specified URI from the management of AutoConnect. An unmanaged AutoConnectAux will no longer appear in menu items, and its page handler will no longer respond even if the URI is accessed directly.<dl class="apidl">
  847. <dt><strong>Parameter</strong></dt>
  848. <dd><span class="apidef">uri</span><span class="apidesc">URI of AutoConnectAux to be detached.</span></dd>
  849. <dt><strong>Return value</strong></dt>
  850. <dd><span class="apidef">true</span><span class="apidesc">Successfully detached.</span></dd>
  851. <dd><span class="apidef">false</span><span class="aidesc">An AutoConnectAux with the specified URI does not exist.</span></dd></dl></p>
  852. <p>If the request handler registered in the detaching AutoConnectAux is for a legacy page of the ESP8266WebServer/WebServer, the URI is still valid after detaching. AutoConnect does not delete the request handler registered to ESP8266WebServer/WebServer with the <code>on</code> function. (It cannot be removed)</p>
  853. <div class="admonition hint">
  854. <p class="admonition-title">Deleting the AutoConnectAux</p>
  855. <p>If the AutoConnectAux to detach was added by <a href="api.html#append">AutoConnect::append</a>, it will be automatically removed and freed from memory.</p>
  856. </div>
  857. <h3 id="disablemenu"><i class="fa fa-caret-right"></i> disableMenu<a class="headerlink" href="#disablemenu" title="Permanent link">&para;</a></h3>
  858. <div class="highlight" style="background: #272822"><pre style="line-height: 125%; margin: 0;"><span></span><code><span style="color: #66d9ef">void</span> <span style="color: #f8f8f2">disableMenu(</span><span style="color: #66d9ef">const</span> <span style="color: #66d9ef">uint16_t</span> <span style="color: #f8f8f2">items)</span>
  859. </code></pre></div>
  860. <p>Disable the <a href="menu.html">AutoConnect menu</a> items specified by the items parameter with logical OR value using <strong>AC_MENUITEM_t</strong> constant.<br />
  861. This function only works for AutoConnect primary menu items. It has no effect on disable for AutoConnectAux items. To disable the items by AutoConnectAux, use the <a href="apiaux.html#menu">AutoConnectAux::menu</a> function.<dl class="apidl">
  862. <dt><strong>Parameter</strong></dt>
  863. <dd><span class="apidef">items</span><span class="apidesc">Specify the combined value of <strong>AC_MENUITEM_t</strong> of the items deleting from the AutoConnect menu. It provides the value calculated from the <strong>logical OR</strong> by the AC_MENUITEM_t value of each item. Refer to the <a href="#enablemenu">enableMenu</a> about AC_MENUITEM_t.</span></dd></dl></p>
  864. <h3 id="enablemenu"><i class="fa fa-caret-right"></i> enableMenu<a class="headerlink" href="#enablemenu" title="Permanent link">&para;</a></h3>
  865. <div class="highlight" style="background: #272822"><pre style="line-height: 125%; margin: 0;"><span></span><code><span style="color: #66d9ef">void</span> <span style="color: #f8f8f2">enableMenu(</span><span style="color: #66d9ef">const</span> <span style="color: #66d9ef">uint16_t</span> <span style="color: #f8f8f2">items)</span>
  866. </code></pre></div>
  867. <dl>
  868. <dt>Enable the <a href="menu.html">AutoConnect menu</a> items specified by the items parameter with logical OR value using <strong>AC_MENUITEM_t</strong> constant.</dt>
  869. <dt>This function only works for AutoConnect primary menu items. It has no effect on enable for AutoConnectAux items. To enable the items by AutoConnectAux, use the <a href="apiaux.html#menu">AutoConnectAux::menu</a> function.<dl class="apidl"></dt>
  870. <dt><dt><strong>Parameter</strong></dt></dt>
  871. <dt><dd><span class="apidef">items</span><span class="apidesc">Specify the combined value of <strong>AC_MENUITEM_t</strong> of the items applying to the AutoConnect menu. It provides the value calculated from the <strong>logical OR</strong> by the AC_MENUITEM_t value of each item applied as a menu. AC_MENUITEM_t is enumeration type to identify each menu item and it has the below values.</span></dd></dt>
  872. <dd>
  873. <ul>
  874. <li><strong>AC_MENUITEM_CONFIGNEW</strong> :
  875. <a href="menu.html#configure-new-ap">Configure new AP</a></li>
  876. </ul>
  877. </dd>
  878. <dd>
  879. <ul>
  880. <li><strong>AC_MENUITEM_OPENSSIDS</strong> :
  881. <a href="menu.html#open-ssids">Open SSIDs</a></li>
  882. </ul>
  883. </dd>
  884. <dd>
  885. <ul>
  886. <li><strong>AC_MENUITEM_DISCONNECT</strong> :
  887. <a href="menu.html#disconnect">Disconnect</a></li>
  888. </ul>
  889. </dd>
  890. <dd>
  891. <ul>
  892. <li><strong>AC_MENUITEM_RESET</strong> :
  893. <a href="menu.html#reset">Reset...</a></li>
  894. </ul>
  895. </dd>
  896. <dd>
  897. <ul>
  898. <li><strong>AC_MENUITEM_HOME</strong> :
  899. <a href="menu.html#home">HOME</a></li>
  900. </ul>
  901. </dd>
  902. <dd>
  903. <ul>
  904. <li><strong>AC_MENUITEM_DEVINFO</strong> :
  905. <a href="menu.html#where-the-from">Device statistics</a> as AutoConnect root page</dl></li>
  906. </ul>
  907. </dd>
  908. </dl>
  909. <div class="admonition note">
  910. <p class="admonition-title">It is added, not replaced.</p>
  911. <p>The initial configuration of the AutoConnect menu items:<br />
  912. <code>AC_MENUITEM_CONFIGNEW | AC_MENUITEM_OPENSSIDS | AC_MENUITEM_DISCONNECT | AC_MENUITEM_RESET | AC_MENUITEM_HOME</code><br />
  913. The enableMenu function adds an indication of the specified items to the current. Therefore, use the <a href="#disableMenu">disableMenu</a> to remove the specified item from the initial menu.</p>
  914. </div>
  915. <h3 id="end"><i class="fa fa-caret-right"></i> end<a class="headerlink" href="#end" title="Permanent link">&para;</a></h3>
  916. <div class="highlight" style="background: #272822"><pre style="line-height: 125%; margin: 0;"><span></span><code><span style="color: #66d9ef">void</span> <span style="color: #f8f8f2">end(</span><span style="color: #66d9ef">void</span><span style="color: #f8f8f2">)</span>
  917. </code></pre></div>
  918. <p>Stops AutoConnect captive portal service. Release ESP8266WebServer/WebServer and DNSServer. </p>
  919. <div class="admonition warning">
  920. <p class="admonition-title">Attention to end</p>
  921. <p>The end function releases the instance of ESP8266WebServer/WebServer and DNSServer. It can not process them after the end function.</p>
  922. </div>
  923. <h3 id="geteepromusedsize"><i class="fa fa-caret-right"></i> getEEPROMUsedSize<a class="headerlink" href="#geteepromusedsize" title="Permanent link">&para;</a></h3>
  924. <div class="highlight" style="background: #272822"><pre style="line-height: 125%; margin: 0;"><span></span><code><span style="color: #66d9ef">uint16_t</span> <span style="color: #f8f8f2">getEEPROMUsedSize(</span><span style="color: #66d9ef">void</span><span style="color: #f8f8f2">)</span>
  925. </code></pre></div>
  926. <p>Returns the total amount of memory required to hold the AutoConnect credentials and any custom configuration settings stored in EEPROM. The Sketch that writes its own custom data to the EEPROM must call <code>EEPROM.begin</code> with this value.<dl class="apidl">
  927. <dt><strong>Return value</strong></dt>
  928. <dd>Total amount size of saved AutoConnect credentials and custom data.</dd></dl></p>
  929. <div class="admonition note">
  930. <p class="admonition-title">The getEEPROMUsedSize is available for only ESP8266 use</p>
  931. <p>It is available for only ESP8266 use and will return 0 when used with ESP32.</p>
  932. </div>
  933. <h3 id="handleclient"><i class="fa fa-caret-right"></i> handleClient<a class="headerlink" href="#handleclient" title="Permanent link">&para;</a></h3>
  934. <div class="highlight" style="background: #272822"><pre style="line-height: 125%; margin: 0;"><span></span><code><span style="color: #66d9ef">void</span> <span style="color: #f8f8f2">handleClient(</span><span style="color: #66d9ef">void</span><span style="color: #f8f8f2">)</span>
  935. </code></pre></div>
  936. <p>Process the AutoConnect menu interface. The <a href="https://github.com/esp8266/Arduino/tree/master/libraries/ESP8266WebServer#handling-incoming-client-requests">ESP8266WebServer::handleClient</a><sup id="fnref:1"><a class="footnote-ref" href="#fn:1">1</a></sup> function hosted by AutoConnect is also called from within AutoConnect to handle the request handlers contained in Sketch.</p>
  937. <div class="admonition info">
  938. <p class="admonition-title">Enhanced AutoConnect::handleClient</p>
  939. <p>The handleClient function enhanced since AutoConnect 1.2.0 can start the captive portal according to the WiFi connection status.<br />
  940. By properly specifying <a href="apiconfig.html#retainportal">AutoConnectConfig::<strong>retainPortal</strong></a> and <a href="apiconfig.html#autorise">AutoConnectConfig::<strong>autoRise</strong></a>, when handleClient detects WiFi disconnection, it shifts WiFi mode to <strong>WIFI_AP_STA</strong> and starts the DNS server together with <strong>SoftAP</strong> dynamically. Then trapping for incoming HTTP requests from client devices will be started by AutoConnect. Thus it will open the captive portal behind the execution of the sketch <code>loop()</code> function. The captive portal launched by enhanced handleClient does not interfere with sketch execution except waiting for the result of WiFi.begin.<br />
  941. Also, <a href="apiconfig.html#autoreconnect">AutoConnectConfig::<strong>autoReconnect</strong></a> has improved. The Sketch can specify the <a href="apiconfig.html#reconnectinterval">AutoConnectConfig::<strong>reconnectInterval</strong></a> to continue retrying the reconnection with enhanced handleClient.</p>
  942. </div>
  943. <h3 id="handlerequest"><i class="fa fa-caret-right"></i> handleRequest<a class="headerlink" href="#handlerequest" title="Permanent link">&para;</a></h3>
  944. <div class="highlight" style="background: #272822"><pre style="line-height: 125%; margin: 0;"><span></span><code><span style="color: #66d9ef">void</span> <span style="color: #f8f8f2">handleRequest(</span><span style="color: #66d9ef">void</span><span style="color: #f8f8f2">)</span>
  945. </code></pre></div>
  946. <p>Handling for the AutoConnect menu request.</p>
  947. <div class="admonition warning">
  948. <p class="admonition-title">About used in combination with handleClient</p>
  949. <p>The handleRequest function is not supposed to use with AutoConnect::handleClient. It should be used following ESP8266WebServer::handleClient or WebServer::handleClient.</p>
  950. </div>
  951. <h3 id="home"><i class="fa fa-caret-right"></i> home<a class="headerlink" href="#home" title="Permanent link">&para;</a></h3>
  952. <div class="highlight" style="background: #272822"><pre style="line-height: 125%; margin: 0;"><span></span><code><span style="color: #66d9ef">void</span> <span style="color: #f8f8f2">home(String</span><span style="color: #f92672">&amp;</span> <span style="color: #f8f8f2">uri)</span>
  953. </code></pre></div>
  954. <p>Put a user site's home URI. The URI specified by home is linked from "HOME" in the AutoConnect menu.<dl class="apidl">
  955. <dt><strong>Parameter</strong></dt>
  956. <dd><span class="apidef">uri</span><span class="aidesc">A URI string of user site's home path.</span></dd></dl></p>
  957. <h3 id="host"><i class="fa fa-caret-right"></i> host<a class="headerlink" href="#host" title="Permanent link">&para;</a></h3>
  958. <ul>
  959. <li>For ESP8266</li>
  960. </ul>
  961. <div class="highlight" style="background: #272822"><pre style="line-height: 125%; margin: 0;"><span></span><code><span style="color: #f8f8f2">ESP8266WebServer</span><span style="color: #f92672">&amp;</span> <span style="color: #f8f8f2">host(</span><span style="color: #66d9ef">void</span><span style="color: #f8f8f2">)</span>
  962. </code></pre></div>
  963. <ul>
  964. <li>For ESP32</li>
  965. </ul>
  966. <div class="highlight" style="background: #272822"><pre style="line-height: 125%; margin: 0;"><span></span><code><span style="color: #f8f8f2">WebServer</span><span style="color: #f92672">&amp;</span> <span style="color: #f8f8f2">host(</span><span style="color: #66d9ef">void</span><span style="color: #f8f8f2">)</span>
  967. </code></pre></div>
  968. <p>Returns the reference of the ESP8266WebServer/WebServer which is allocated in AutoConnect automatically.<dl class="apidl">
  969. <dt><strong>Return value</strong></dt>
  970. <dd>A reference of the ESP8266WebServer/WebServer.</dd></dl></p>
  971. <div class="admonition note">
  972. <p class="admonition-title">&amp;reference is not a pointer</p>
  973. <p>A reference cannot be re-assigned, and must be assigned at initialization. It's like as bind as alias. <br />
  974. <div class="highlight" style="background: #272822"><pre style="line-height: 125%; margin: 0;"><span></span><code><span style="color: #f8f8f2">ESP8266WebServer</span><span style="color: #f92672">&amp;</span> <span style="color: #f8f8f2">server</span> <span style="color: #f92672">=</span> <span style="color: #f8f8f2">portal.host();</span>
  975. <span style="color: #f8f8f2">server.handleClient();</span>
  976. </code></pre></div>
  977. or<br />
  978. <div class="highlight" style="background: #272822"><pre style="line-height: 125%; margin: 0;"><span></span><code><span style="color: #f8f8f2">portal.host().handleClient();</span>
  979. </code></pre></div></p>
  980. </div>
  981. <h3 id="join"><i class="fa fa-caret-right"></i> join<a class="headerlink" href="#join" title="Permanent link">&para;</a></h3>
  982. <div class="highlight" style="background: #272822"><pre style="line-height: 125%; margin: 0;"><span></span><code><span style="color: #66d9ef">void</span> <span style="color: #f8f8f2">join(AutoConnectAux</span><span style="color: #f92672">&amp;</span> <span style="color: #f8f8f2">aux)</span>
  983. </code></pre></div>
  984. <p></p>
  985. <div class="highlight" style="background: #272822"><pre style="line-height: 125%; margin: 0;"><span></span><code><span style="color: #66d9ef">void</span> <span style="color: #f8f8f2">join(std</span><span style="color: #f92672">::</span><span style="color: #f8f8f2">vector</span><span style="color: #f92672">&lt;</span><span style="color: #f8f8f2">std</span><span style="color: #f92672">::</span><span style="color: #f8f8f2">reference_wrapper</span><span style="color: #f92672">&lt;</span><span style="color: #f8f8f2">AutoConnectAux</span><span style="color: #f92672">&gt;&gt;</span> <span style="color: #f8f8f2">aux)</span>
  986. </code></pre></div>
  987. <p>Join the AutoConnectAux object to AutoConnect. AutoConnectAux objects can be joined one by one, or joined altogether. The AutoConnectAux object joined by the join function can be handled from the AutoConnect menu.<dl class="apidl">
  988. <dt><strong>Parameter</strong></dt>
  989. <dd><span class="apidef">aux</span><span class="apidesc">Reference to AutoConnectAux. It can be std::vector of std::reference_wrapper of AutoConnectAux with <a href="https://en.cppreference.com/w/cpp/language/list_initialization">list initialization</a>.</span></dd></dl></p>
  990. <h3 id="load"><i class="fa fa-caret-right"></i> load<a class="headerlink" href="#load" title="Permanent link">&para;</a></h3>
  991. <div class="highlight" style="background: #272822"><pre style="line-height: 125%; margin: 0;"><span></span><code><span style="color: #66d9ef">bool</span> <span style="color: #f8f8f2">load(</span><span style="color: #66d9ef">const</span> <span style="color: #f8f8f2">String</span><span style="color: #f92672">&amp;</span> <span style="color: #f8f8f2">aux)</span>
  992. </code></pre></div>
  993. <p></p>
  994. <div class="highlight" style="background: #272822"><pre style="line-height: 125%; margin: 0;"><span></span><code><span style="color: #66d9ef">bool</span> <span style="color: #f8f8f2">load(PGM_P</span> <span style="color: #f8f8f2">aux)</span>
  995. </code></pre></div>
  996. <p></p>
  997. <div class="highlight" style="background: #272822"><pre style="line-height: 125%; margin: 0;"><span></span><code><span style="color: #66d9ef">bool</span> <span style="color: #f8f8f2">load(</span><span style="color: #66d9ef">const</span> <span style="color: #f8f8f2">__FlashStringHelper</span><span style="color: #f92672">*</span> <span style="color: #f8f8f2">aux)</span>
  998. </code></pre></div>
  999. <p></p>
  1000. <div class="highlight" style="background: #272822"><pre style="line-height: 125%; margin: 0;"><span></span><code><span style="color: #66d9ef">bool</span> <span style="color: #f8f8f2">load(Stream</span><span style="color: #f92672">&amp;</span> <span style="color: #f8f8f2">aux)</span>
  1001. </code></pre></div>
  1002. <p>Load JSON document of AutoConnectAux which contains AutoConnectElements. If there is a syntax error in the JSON document, false is returned.<dl class="apidl">
  1003. <dt><strong>Parameter</strong></dt>
  1004. <dd><span class="apidef">aux</span><span class="apidesc">The input string to be loaded.</span></dd>
  1005. <dt><strong>Return value</strong></dt>
  1006. <dd><span class="apidef">true</span><span class="apidesc">The JSON document as AutoConnectAux successfully loaded.</span></dd>
  1007. <dd><span class="apidef">false</span><span class="apidesc">Loading JSON document unsuccessful, probably syntax errors have occurred or insufficient memory. You can diagnose the cause of loading failure using the <a href="https://arduinojson.org/v5/assistant/">ArduinoJson Assistant</a>.</span></dd></dl></p>
  1008. <h3 id="on"><i class="fa fa-caret-right"></i> on<a class="headerlink" href="#on" title="Permanent link">&para;</a></h3>
  1009. <div class="highlight" style="background: #272822"><pre style="line-height: 125%; margin: 0;"><span></span><code><span style="color: #66d9ef">bool</span> <span style="color: #f8f8f2">on(</span><span style="color: #66d9ef">const</span> <span style="color: #f8f8f2">String</span><span style="color: #f92672">&amp;</span> <span style="color: #f8f8f2">uri,</span> <span style="color: #66d9ef">const</span> <span style="color: #f8f8f2">AuxHandlerFunctionT</span> <span style="color: #f8f8f2">handler,</span> <span style="color: #f8f8f2">AutoConnectExitOrder_t</span> <span style="color: #f8f8f2">order</span> <span style="color: #f92672">=</span> <span style="color: #f8f8f2">AC_EXIT_AHEAD)</span>
  1010. </code></pre></div>
  1011. <dl>
  1012. <dt>Register the handler function of the AutoConnectAux.<dl class="apidl"></dt>
  1013. <dt><dt><strong>Parameters</strong></dt></dt>
  1014. <dt><dd><span class="apidef">uri</span><span class="apidesc">A string of the URI assigned to the AutoConnectAux page.</span></dd></dt>
  1015. <dt><dd><span class="apidef">handler</span><span class="apidesc">A function that behaves when a request to the AutoConnectAux page occurs. AuxHandlerFunctionT type is defined by the following declaration.<p class=""apidesc"><code>String handler(AutoConnectAux&amp;, PageArgument&amp;)</code></p></span></dd></dt>
  1016. <dt><dd><span class="apidef">order</span><span class="apidesc">Specifies when the handler is called with the following enumeration value.</span></dd></dt>
  1017. <dd>
  1018. <ul>
  1019. <li><strong>AC_EXIT_AHEAD</strong> :
  1020. Called before AutoConnect generates the HTML of the page. You set the value of AutoConnectElements in the handler then its value will be displayed on the page.</li>
  1021. </ul>
  1022. </dd>
  1023. <dd>
  1024. <ul>
  1025. <li><strong>AC_EXIT_LATER</strong> :
  1026. Called after AutoConnect generates the HTML of the page. You can append to HTML generated by AutoConnect.</li>
  1027. </ul>
  1028. </dd>
  1029. <dd>
  1030. <ul>
  1031. <li><strong>AC_EXIT_BOTH</strong> :
  1032. Called even before generating HTML and after generated.</dl></li>
  1033. </ul>
  1034. </dd>
  1035. </dl>
  1036. <div class="admonition caution">
  1037. <p class="admonition-title">It is not ESP8266WebServer::on, not WebServer::on for ESP32.</p>
  1038. <p>This function effects to AutoConnectAux only. However, it coexists with that of ESP8266WebServer::on or WebServer::on of ESP32. </p>
  1039. </div>
  1040. <h3 id="onconnect"><i class="fa fa-caret-right"></i> onConnect<a class="headerlink" href="#onconnect" title="Permanent link">&para;</a></h3>
  1041. <div class="highlight" style="background: #272822"><pre style="line-height: 125%; margin: 0;"><span></span><code><span style="color: #66d9ef">void</span> <span style="color: #f8f8f2">onConnect(ConnectExit_ft</span> <span style="color: #f8f8f2">fn)</span>
  1042. </code></pre></div>
  1043. <p>Register the function which will call from AutoConnect at the WiFi connection established.<dl class="apidl">
  1044. <dt><strong>Parameter</strong></dt>
  1045. <dd><span class="apidef">fn</span><span class="apidesc">Function called at the WiFi connected.</span></dd></dl></p>
  1046. <p>An <em>fn</em> specifies the function called when the WiFi connected. Its prototype declaration is defined as <em>ConnectExit_ft</em>.</p>
  1047. <div class="highlight" style="background: #272822"><pre style="line-height: 125%; margin: 0;"><span></span><code><span style="color: #66d9ef">typedef</span> <span style="color: #f8f8f2">std</span><span style="color: #f92672">::</span><span style="color: #f8f8f2">function</span><span style="color: #f92672">&lt;</span><span style="color: #66d9ef">void</span><span style="color: #f8f8f2">(IPAddress</span><span style="color: #f92672">&amp;</span> <span style="color: #f8f8f2">localIP)</span><span style="color: #f92672">&gt;</span> <span style="color: #f8f8f2">ConnectExit_ft;</span>
  1048. </code></pre></div>
  1049. <dl class="apidl">
  1050. <dt><strong>Parameter</strong></dt>
  1051. <dd><span class="apidef">localIP</span><span class="apidesc">An IP address of the ESP module as STA.</span></dd>
  1052. </dl>
  1053. <h3 id="ondetect"><i class="fa fa-caret-right"></i> onDetect<a class="headerlink" href="#ondetect" title="Permanent link">&para;</a></h3>
  1054. <div class="highlight" style="background: #272822"><pre style="line-height: 125%; margin: 0;"><span></span><code><span style="color: #66d9ef">void</span> <span style="color: #f8f8f2">onDetect(DetectExit_ft</span> <span style="color: #f8f8f2">fn)</span>
  1055. </code></pre></div>
  1056. <p>Register the function which will call from AutoConnect at the start of the captive portal.<dl class="apidl">
  1057. <dt><strong>Parameter</strong></dt>
  1058. <dd><span class="apidef">fn</span><span class="apidesc">Function called at the captive portal start.</span></dd></dl></p>
  1059. <p>An <em>fn</em> specifies the function called when the captive portal starts. Its prototype declaration is defined as <em>DetectExit_ft</em>.</p>
  1060. <div class="highlight" style="background: #272822"><pre style="line-height: 125%; margin: 0;"><span></span><code><span style="color: #66d9ef">typedef</span> <span style="color: #f8f8f2">std</span><span style="color: #f92672">::</span><span style="color: #f8f8f2">function</span><span style="color: #f92672">&lt;</span><span style="color: #66d9ef">bool</span><span style="color: #f8f8f2">(IPAddress</span><span style="color: #f92672">&amp;</span> <span style="color: #f8f8f2">softapIP)</span><span style="color: #f92672">&gt;</span> <span style="color: #f8f8f2">DetectExit_ft</span>
  1061. </code></pre></div>
  1062. <dl class="apidl">
  1063. <dt><strong>Parameter</strong></dt>
  1064. <dd><span class="apidef">softapIP</span><span class="apidesc">An IP address of SoftAP for the captive portal.</span></dd>
  1065. <dt><strong>Return value</strong></dt>
  1066. <dd><span class="apidef">true</span><span class="apidesc">Continues captive portal handling.</span></dd>
  1067. <dd><span class="apidef">false</span><span class="apidesc">Cancel the captive portal. AutoConnect::begin function will return with a false.</span></dd>
  1068. </dl>
  1069. <h3 id="onnotfound"><i class="fa fa-caret-right"></i> onNotFound<a class="headerlink" href="#onnotfound" title="Permanent link">&para;</a></h3>
  1070. <ul>
  1071. <li>For ESP8266</li>
  1072. </ul>
  1073. <div class="highlight" style="background: #272822"><pre style="line-height: 125%; margin: 0;"><span></span><code><span style="color: #66d9ef">void</span> <span style="color: #f8f8f2">onNotFound(ESP8266WebServer</span><span style="color: #f92672">::</span><span style="color: #f8f8f2">THandlerFunction</span> <span style="color: #f8f8f2">fn)</span>
  1074. </code></pre></div>
  1075. <ul>
  1076. <li>For ESP32</li>
  1077. </ul>
  1078. <div class="highlight" style="background: #272822"><pre style="line-height: 125%; margin: 0;"><span></span><code><span style="color: #66d9ef">void</span> <span style="color: #f8f8f2">onNotFound(WebServer</span><span style="color: #f92672">::</span><span style="color: #f8f8f2">THandlerFunction</span> <span style="color: #f8f8f2">fn)</span>
  1079. </code></pre></div>
  1080. <p>Register the handler function for undefined URL request detected.<dl class="apidl">
  1081. <dt><strong>Parameter</strong></dt>
  1082. <dd><span class="apidef">fn</span><span class="apidesc">A function of the "not found" handler.</span></dd></dl></p>
  1083. <h3 id="where"><i class="fa fa-caret-right"></i> where<a class="headerlink" href="#where" title="Permanent link">&para;</a></h3>
  1084. <div class="highlight" style="background: #272822"><pre style="line-height: 125%; margin: 0;"><span></span><code><span style="color: #f8f8f2">String</span> <span style="color: #f8f8f2">where(</span><span style="color: #66d9ef">void</span><span style="color: #f8f8f2">)</span>
  1085. </code></pre></div>
  1086. <p>Returns an uri string of the AutoConnectAux uri object of the custom Web page that caused the request to the page.<br>
  1087. AutoConnect identifies the URI (ie. the referrer URI) that caused the request each time from the client occurs and will save the URI If the request source is a custom Web page of AutoConnectAux. The <strong>where</strong> function returns a pointer of AutoConnectAux which is a URI of a least recent request from the custom Web page.<br>
  1088. This function is provided to access the fields (ie. the AutoConnectElements) with a custom Web page handler of a page and is available only for request source that is the custom Web pages. It is invalid for HTTP requests from individual pages registered with the <strong>on</strong> handler of ESP8266WebServer/WebServer for ESP32. In other words, this function only returns the AutoConnecAux page which is a least recently displayed.<dl class="apidl">
  1089. <dt><strong>Return value</strong></dt>
  1090. <dd>An uri string of the AutoConnectAux that caused the request the page.</dd></dl></p>
  1091. <p>The <strong>where</strong> function usage is described in the section <a href="achandling.html#where-to-pick-up-the-values"><em>Where to pick up the values</em></a>.</p>
  1092. <h3 id="whilecaptiveportal"><i class="fa fa-caret-right"></i> whileCaptivePortal<a class="headerlink" href="#whilecaptiveportal" title="Permanent link">&para;</a></h3>
  1093. <div class="highlight" style="background: #272822"><pre style="line-height: 125%; margin: 0;"><span></span><code><span style="color: #66d9ef">void</span> <span style="color: #f8f8f2">whileCaptivePortal(WhileCaptivePortalExit_ft</span> <span style="color: #f8f8f2">fn)</span>
  1094. </code></pre></div>
  1095. <p>Register the function which will call from AutoConnect during a stay in the captive portal.<dl class="apidl">
  1096. <dt><strong>Parameter</strong></dt>
  1097. <dd><span class="apidef">fn</span><span class="apidesc">Function called at the captive portal start.</span></dd></dl></p>
  1098. <p>An <em>fn</em> specifies the function called while staying in the captive portal. Its prototype declaration is defined as <em>WhileCaptivePortalExit_ft</em>.</p>
  1099. <div class="highlight" style="background: #272822"><pre style="line-height: 125%; margin: 0;"><span></span><code><span style="color: #66d9ef">typedef</span> <span style="color: #f8f8f2">std</span><span style="color: #f92672">::</span><span style="color: #f8f8f2">function</span><span style="color: #f92672">&lt;</span><span style="color: #66d9ef">bool</span><span style="color: #f8f8f2">(</span><span style="color: #66d9ef">void</span><span style="color: #f8f8f2">)</span><span style="color: #f92672">&gt;</span> <span style="color: #f8f8f2">WhileCaptivePortalExit_ft</span>
  1100. </code></pre></div>
  1101. <dl class="apidl">
  1102. <dt><strong>Return value</strong></dt>
  1103. <dd><span class="apidef">true</span><span class="apidesc">Continues captive portal handling.</span></dd>
  1104. <dd><span class="apidef">false</span><span class="apidesc">Cancel the captive portal. AutoConnect::begin function will return with a false.</span></dd>
  1105. </dl>
  1106. <div class="footnote">
  1107. <hr />
  1108. <ol>
  1109. <li id="fn:1">
  1110. <p>Equivalent to the <strong>WebServer::handleClient</strong> function on the <strong>ESP32</strong> platform.&#160;<a class="footnote-backref" href="#fnref:1" title="Jump back to footnote 1 in the text">&#8617;</a></p>
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