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/*
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Simple.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 software is released under the MIT License.
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https://opensource.org/licenses/MIT
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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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#elif defined(ARDUINO_ARCH_ESP32)
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#include <WiFi.h>
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#include <WebServer.h>
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#endif
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#include <time.h>
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#include <AutoConnect.h>
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static const char AUX_TIMEZONE[] PROGMEM = R"(
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{
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"title": "TimeZone",
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"uri": "/timezone",
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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": "Sets the time zone to get the current local time.",
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"style": "font-family:Arial;font-weight:bold;text-align:center;margin-bottom:10px;color:DarkSlateBlue"
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},
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{
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"name": "timezone",
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"type": "ACSelect",
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"label": "Select TZ name",
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"option": []
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},
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{
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"name": "newline",
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"type": "ACElement",
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"value": "<br>"
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},
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{
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"name": "start",
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"type": "ACSubmit",
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"value": "OK",
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"uri": "/start"
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}
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]
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}
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)";
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typedef struct {
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const char* zone;
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const char* ntpServer;
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int8_t tzoff;
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} Timezone_t;
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static const Timezone_t TZ[] = {
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{ "Europe/London", "europe.pool.ntp.org", 0 },
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{ "Europe/Berlin", "europe.pool.ntp.org", 1 },
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{ "Europe/Helsinki", "europe.pool.ntp.org", 2 },
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{ "Europe/Moscow", "europe.pool.ntp.org", 3 },
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{ "Asia/Dubai", "asia.pool.ntp.org", 4 },
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{ "Asia/Karachi", "asia.pool.ntp.org", 5 },
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{ "Asia/Dhaka", "asia.pool.ntp.org", 6 },
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{ "Asia/Jakarta", "asia.pool.ntp.org", 7 },
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{ "Asia/Manila", "asia.pool.ntp.org", 8 },
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{ "Asia/Tokyo", "asia.pool.ntp.org", 9 },
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{ "Australia/Brisbane", "oceania.pool.ntp.org", 10 },
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{ "Pacific/Noumea", "oceania.pool.ntp.org", 11 },
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{ "Pacific/Auckland", "oceania.pool.ntp.org", 12 },
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{ "Atlantic/Azores", "europe.pool.ntp.org", -1 },
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{ "America/Noronha", "south-america.pool.ntp.org", -2 },
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{ "America/Araguaina", "south-america.pool.ntp.org", -3 },
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{ "America/Blanc-Sablon", "north-america.pool.ntp.org", -4},
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{ "America/New_York", "north-america.pool.ntp.org", -5 },
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{ "America/Chicago", "north-america.pool.ntp.org", -6 },
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{ "America/Denver", "north-america.pool.ntp.org", -7 },
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{ "America/Los_Angeles", "north-america.pool.ntp.org", -8 },
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{ "America/Anchorage", "north-america.pool.ntp.org", -9 },
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{ "Pacific/Honolulu", "north-america.pool.ntp.org", -10 },
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{ "Pacific/Samoa", "oceania.pool.ntp.org", -11 }
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};
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#if defined(ARDUINO_ARCH_ESP8266)
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ESP8266WebServer Server;
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#elif defined(ARDUINO_ARCH_ESP32)
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WebServer Server;
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#endif
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AutoConnect Portal(Server);
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AutoConnectConfig Config; // Enable autoReconnect supported on v0.9.4
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AutoConnectAux Timezone;
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void rootPage() {
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String content =
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"<html>"
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"<head>"
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"<meta name=\"viewport\" content=\"width=device-width, initial-scale=1\">"
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"</head>"
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"<body>"
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"<h2 align=\"center\" style=\"color:blue;margin:20px;\">Hello, world</h2>"
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"<h3 align=\"center\" style=\"color:gray;margin:10px;\">{{DateTime}}</h3>"
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"<p style=\"text-align:center;\">Reload the page to update the time.</p>"
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"<p></p><p style=\"padding-top:15px;text-align:center\">" AUTOCONNECT_LINK(COG_24) "</p>"
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"</body>"
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"</html>";
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static const char *wd[7] = { "Sun","Mon","Tue","Wed","Thr","Fri","Sat" };
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struct tm *tm;
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time_t t;
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char dateTime[26];
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t = time(NULL);
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tm = localtime(&t);
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sprintf(dateTime, "%04d/%02d/%02d(%s) %02d:%02d:%02d.",
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tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,
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wd[tm->tm_wday],
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tm->tm_hour, tm->tm_min, tm->tm_sec);
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content.replace("{{DateTime}}", String(dateTime));
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Server.send(200, "text/html", content);
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}
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void startPage() {
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// Retrieve the value of AutoConnectElement with arg function of WebServer class.
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// Values are accessible with the element name.
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String tz = Server.arg("timezone");
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for (uint8_t n = 0; n < sizeof(TZ) / sizeof(Timezone_t); n++) {
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String tzName = String(TZ[n].zone);
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if (tz.equalsIgnoreCase(tzName)) {
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configTime(TZ[n].tzoff * 3600, 0, TZ[n].ntpServer);
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Serial.println("Time zone: " + tz);
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Serial.println("ntp server: " + String(TZ[n].ntpServer));
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break;
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}
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}
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// The /start page just constitutes timezone,
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// it redirects to the root page without the content response.
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Server.sendHeader("Location", String("http://") + Server.client().localIP().toString() + String("/"));
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Server.send(302, "text/plain", "");
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Server.client().flush();
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Server.client().stop();
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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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Serial.println();
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// Enable saved past credential by autoReconnect option,
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// even once it is disconnected.
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Config.autoReconnect = true;
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Portal.config(Config);
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// Load aux. page
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Timezone.load(AUX_TIMEZONE);
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// Retrieve the select element that holds the time zone code and
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// register the zone mnemonic in advance.
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AutoConnectSelect& tz = Timezone["timezone"].as<AutoConnectSelect>();
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for (uint8_t n = 0; n < sizeof(TZ) / sizeof(Timezone_t); n++) {
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tz.add(String(TZ[n].zone));
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}
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Portal.join({ Timezone }); // Register aux. page
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// Behavior a root path of ESP8266WebServer.
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Server.on("/", rootPage);
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Server.on("/start", startPage); // Set NTP server trigger handler
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// Establish a connection with an autoReconnect option.
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if (Portal.begin()) {
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Serial.println("WiFi connected: " + WiFi.localIP().toString());
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}
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}
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void loop() {
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Portal.handleClient();
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}
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