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AutoConnect/examples/HandlePortal/HandlePortal.ino

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/*
HandlePortal.ino, Example for the AutoConnect library.
Copyright (c) 2018, Hieromon Ikasamo
https://github.com/Hieromon/AutoConnect
This software is released under the MIT License.
https://opensource.org/licenses/MIT
*/
/*
This is a way of not explicitly declaring ESP8266WebServer. It uses
the ESP8266WebServer function without its declaration.
I recommend that you consider this example compared to HandlePortalEX.ino.
https://github.com/Hieromon/AutoConnect/blob/master/examples/HandlePortalEX/HandlePortalEX.ino
It will help you understand AutoConnect usage.
*/
#if defined(ARDUINO_ARCH_ESP8266)
#include <ESP8266WiFi.h>
#include <ESP8266WebServer.h>
#elif defined(ARDUINO_ARCH_ESP32)
#include <WiFi.h>
#include <WebServer.h>
#endif
#include <AutoConnect.h>
#ifndef BUILTIN_LED
#define BUILTIN_LED 2 // backward compatibility
#endif
AutoConnect portal;
void handleRoot() {
String page = PSTR(
"<html>"
"<head>"
"<meta name=\"viewport\" content=\"width=device-width, initial-scale=1\">"
"<style type=\"text/css\">"
"body {"
"-webkit-appearance:none;"
"-moz-appearance:none;"
"font-family:'Arial',sans-serif;"
"text-align:center;"
"}"
".menu > a:link {"
"position: absolute;"
"display: inline-block;"
"right: 12px;"
"padding: 0 6px;"
"text-decoration: none;"
"}"
".button {"
"display:inline-block;"
"border-radius:7px;"
"background:#73ad21;"
"margin:0 10px 0 10px;"
"padding:10px 20px 10px 20px;"
"text-decoration:none;"
"color:#000000;"
"}"
"</style>"
"</head>"
"<body>"
"<div class=\"menu\">" AUTOCONNECT_LINK(BAR_32) "</div>"
"BUILT-IN LED<br>"
"GPIO(");
page += String(BUILTIN_LED);
page += String(F(") : <span style=\"font-weight:bold;color:"));
page += digitalRead(BUILTIN_LED) ? String("Tomato\">HIGH") : String("SlateBlue\">LOW");
page += String(F("</span>"));
page += String(F("<p><a class=\"button\" href=\"/io?v=low\">low</a><a class=\"button\" href=\"/io?v=high\">high</a></p>"));
page += String(F("</body></html>"));
portal.host().send(200, "text/html", page);
}
void handleGPIO() {
WebServerClass& server = portal.host();
if (server.arg("v") == "low")
digitalWrite(BUILTIN_LED, LOW);
else if (server.arg("v") == "high")
digitalWrite(BUILTIN_LED, HIGH);
sendRedirect("/");
}
void sendRedirect(String uri) {
WebServerClass& server = portal.host();
server.sendHeader("Location", uri, true);
server.send(302, "text/plain", "");
server.client().stop();
}
bool atDetect(IPAddress softapIP) {
Serial.println("Captive portal started, SoftAP IP:" + softapIP.toString());
return true;
}
void setup() {
delay(1000);
Serial.begin(115200);
Serial.println();
pinMode(BUILTIN_LED, OUTPUT);
// Put the home location of the web site.
// But in usually, setting the home uri is not needed cause default location is "/".
//portal.home("/");
// Starts user web site included the AutoConnect portal.
portal.onDetect(atDetect);
if (portal.begin()) {
WebServerClass& server = portal.host();
server.on("/", handleRoot);
server.on("/io", handleGPIO);
Serial.println("Started, IP:" + WiFi.localIP().toString());
}
else {
Serial.println("Connection failed.");
while (true) { yield(); }
}
}
void loop() {
portal.handleClient();
if (WiFi.status() == WL_IDLE_STATUS) {
#if defined(ARDUINO_ARCH_ESP8266)
ESP.reset();
#elif defined(ARDUINO_ARCH_ESP32)
ESP.restart();
#endif
delay(1000);
}
}