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/*
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WebUpdate.ino, Example for the AutoConnect library. |
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Copyright (c) 2018, Hieromon Ikasamo |
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https://github.com/Hieromon/AutoConnect
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This example is an implementation of a lightweight update feature |
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that updates the ESP8266's firmware from your web browser. It embeds |
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ESP8266HTTPUpdateServer into the AutoConnect menu and can invoke the |
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firmware update UI via a Web browser. |
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You need a compiled sketch binary file to the actual update and can |
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retrieve it using Arduino-IDE menu: [Sketck] -> [Export compiled binary]. |
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Then you will find the .bin file in your sketch folder. Select the.bin |
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file on the update UI page to update the firmware. |
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|
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Notes: |
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1. This example is valid only for ESP8266. In order to apply this |
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example to ESP32, it is necessary to quote WebUpdate.ino included |
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in the ESP32 arduino core distribution and implement a class |
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equivalent to ESP8266HTTPUpdateServer. But it is not included in this |
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example. |
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|
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2. To experience this example, your client OS needs to be running a |
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service that can respond to multicast DNS. |
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For Mac OSX support is built in through Bonjour already. |
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For Linux, install Avahi. |
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For Windows10, available since Windows10 1803(April 2018 Update/RS4). |
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3. If you receive an error as follows: |
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Update error: ERROR[11]: Invalid bootstrapping state, reset ESP8266 before updating. |
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You need reset the module before sketch running. |
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Refer to https://hieromon.github.io/AutoConnect/faq.html#hang-up-after-reset for details.
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This software is released under the MIT License. |
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https://opensource.org/licenses/MIT
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*/ |
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#ifdef ARDUINO_ARCH_ESP8266 |
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#include <ESP8266WiFi.h> |
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#include <WiFiClient.h> |
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#include <ESP8266WebServer.h> |
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#include <ESP8266mDNS.h> |
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#include <ESP8266HTTPUpdateServer.h> |
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#include <AutoConnect.h> |
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// This page for an example only, you can prepare the other for your application.
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static const char AUX_AppPage[] PROGMEM = R"( |
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{ |
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"title": "Hello world", |
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"uri": "/", |
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"menu": true, |
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"element": [ |
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{ |
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"name": "caption", |
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"type": "ACText", |
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"value": "<h2>Hello, world</h2>", |
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"style": "text-align:center;color:#2f4f4f;padding:10px;" |
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}, |
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{ |
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"name": "content", |
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"type": "ACText", |
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"value": "In this page, place the custom web page handled by the sketch application." |
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} |
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] |
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} |
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)"; |
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// Fix hostname for mDNS. It is a requirement for the lightweight update feature.
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static const char* host = "esp8266-webupdate"; |
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#define HTTP_PORT 80 |
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// ESP8266WebServer instance will be shared both AutoConnect and UpdateServer.
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ESP8266WebServer httpServer(HTTP_PORT); |
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// Declare AutoConnectAux to bind the HTTPWebUpdateServer via /update url
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// and call it from the menu.
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// The custom web page is an empty page that does not contain AutoConnectElements.
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// Its content will be emitted by ESP8266HTTPUpdateServer.
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ESP8266HTTPUpdateServer httpUpdater; |
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AutoConnectAux update("/update", "Update"); |
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// Declare AutoConnect and the custom web pages for an application sketch.
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AutoConnect portal(httpServer); |
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AutoConnectAux hello; |
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void setup() { |
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delay(1000); |
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Serial.begin(115200); |
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Serial.println("\nBooting Sketch..."); |
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// Prepare the ESP8266HTTPUpdateServer
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// The /update handler will be registered during this function.
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httpUpdater.setup(&httpServer); |
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// Load a custom web page for a sketch and a dummy page for the updater.
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hello.load(AUX_AppPage); |
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portal.join({ hello, update }); |
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if (portal.begin()) { |
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if (MDNS.begin(host)) { |
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MDNS.addService("http", "tcp", HTTP_PORT); |
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Serial.printf("HTTPUpdateServer ready! Open http://%s.local/update in your browser\n", host); |
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} |
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else |
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Serial.println("Error setting up MDNS responder"); |
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} |
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} |
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void loop() { |
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// Sketch the application here.
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// Invokes mDNS::update and AutoConnect::handleClient() for the menu processing.
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MDNS.update(); |
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portal.handleClient(); |
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} |
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#else |
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void setup() {} |
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void loop() {} |
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#endif |
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