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96 lines
2.7 KiB
96 lines
2.7 KiB
/*
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HelloWorld.ino, Example for the AutoConnect library.
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Copyright (c) 2019, Hieromon Ikasamo
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https://github.com/Hieromon/AutoConnect
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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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/*
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To experience this example, upload the JSON file which is style.json
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from the data folder. Its file contains the attributes for the Caption
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of AutoConnectText. You can change the elements for your realization.
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*/
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#if defined(ARDUINO_ARCH_ESP8266)
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#include <ESP8266WiFi.h>
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#include <ESP8266WebServer.h>
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typedef ESP8266WebServer WEBServer;
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#elif defined(ARDUINO_ARCH_ESP32)
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#include <WiFi.h>
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#include <WebServer.h>
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#include <SPIFFS.h>
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typedef WebServer WEBServer;
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#endif
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#include <AutoConnect.h>
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/*
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AC_USE_SPIFFS indicates SPIFFS or LittleFS as available file systems that
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will become the AUTOCONNECT_USE_SPIFFS identifier and is exported as showng
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the valid file system. After including AutoConnect.h, the Sketch can determine
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whether to use FS.h or LittleFS.h by AUTOCONNECT_USE_SPIFFS definition.
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*/
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#ifdef AUTOCONNECT_USE_SPIFFS
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#include <FS.h>
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FS& FlashFS = SPIFFS;
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#else
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#include <LittleFS.h>
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FS& FlashFS = LittleFS;
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#endif
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#define HELLO_URI "/hello"
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#define PARAM_STYLE "/style.json"
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// Declare AutoConnectText with only a value.
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// Qualify the Caption by reading style attributes from the style.json file.
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ACText(Caption, "Hello, world");
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//AutoConnectAux for the custom Web page.
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AutoConnectAux helloPage(HELLO_URI, "Hello", true, { Caption });
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AutoConnect portal;
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// JSON document loading buffer
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String ElementJson;
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// Redirects from root to the hello page.
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void onRoot() {
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WEBServer& webServer = portal.host();
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webServer.sendHeader("Location", String("http://") + webServer.client().localIP().toString() + String(HELLO_URI));
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webServer.send(302, "text/plain", "");
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webServer.client().flush();
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webServer.client().stop();
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}
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// Load the attribute of the element to modify at runtime from external.
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String onHello(AutoConnectAux& aux, PageArgument& args) {
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aux.loadElement(ElementJson);
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return String();
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}
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// Load the element from specified file in the flash on board.
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void loadParam(const char* fileName) {
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Flash.begin();
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File param = FlashFS.open(fileName, "r");
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if (param) {
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ElementJson = param.readString();
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param.close();
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}
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FlashFS.end();
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}
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void setup() {
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delay(1000);
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Serial.begin(115200);
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loadParam(PARAM_STYLE); // Pre-load the element from JSON.
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helloPage.on(onHello); // Register the attribute overwrite handler.
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portal.join(helloPage); // Join the hello page.
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portal.begin();
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WEBServer& webServer = portal.host();
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webServer.on("/", onRoot); // Register the root page redirector.
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}
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void loop() {
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portal.handleClient();
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}
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