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ESPAsyncWebServer/examples/SmartSwitch/SmartSwitch.ino

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/*
SmartSwitch application
Based on ESP_AsyncFSBrowser
Temperature Control for heater with schedule
Main purpose - for winter outside car block heater or battery charger
Wide browser compatibility, no other server-side needed.
HTTP server and WebSocket, single port
Standalone, no JS dependencies for the browser from Internet (I hope)
Based on ESP_AsyncFSBrowser
Real Time (NTP) w/ Time Zones
Memorized settings to EEPROM
Multiple clients can be connected at same time, they see each other requests
Use latest ESP core lib (from Github)
*/
// Defaulut is SPIFFS, FatFS: only on ESP32
// Comment 2 lines below or uncomment only one of them
#define USE_LittleFS
//#define USE_FatFS // select partition scheme w/ ffat!
#define USE_WFM // to use ESPAsyncWiFiManager
//#define DEL_WFM // delete Wifi credentials stored
//(use once then comment and flash again), also HTTP /erase-wifi can do the same live
// AUTH COOKIE uses only the password and unsigned long MY_SECRET_NUMBER
#define http_username "smart"
#define http_password "switch"
#define MY_SECRET_NUMBER 0xA217B02F
//See https://github.com/me-no-dev/ESPAsyncWebServer/pull/684
//SSWI or other 4 chars
#define USE_AUTH_COOKIE
#define MY_COOKIE_DEL "SSWI=;Max-Age=-1;Path=/;"
#define MY_COOKIE_PREF "SSWI="
#define MY_COOKIE_SUFF ";Max-Age=31536000;Path=/;"
#ifndef USE_AUTH_COOKIE
#define USE_AUTH_STAT //Base Auth for stat, /commands and SPIFFSEditor
//#define USE_AUTH_WS //Base Auth also for WS, not very supported
#endif
#include <ArduinoOTA.h>
#ifdef ESP32
#include <FS.h>
#ifdef USE_LittleFS
#define HSTNM "ssw32-littlefs"
#define MYFS LITTLEFS
#include "LITTLEFS.h"
#elif defined(USE_FatFS)
#define HSTNM "ssw32-ffat"
#define MYFS FFat
#include "FFat.h"
#else
#define MYFS SPIFFS
#include <SPIFFS.h>
#define HSTNM "ssw32-spiffs"
#endif
#include <ESPmDNS.h>
#include <WiFi.h>
#include <AsyncTCP.h>
#elif defined(ESP8266)
#ifdef USE_LittleFS
#include <FS.h>
#define HSTNM "ssw8266-littlefs"
#define MYFS LittleFS
#include <LittleFS.h>
#elif defined(USE_FatFS)
#error "FatFS only on ESP32 for now!"
#else
#define HSTNM "ssw8266-spiffs"
#define MYFS SPIFFS
#endif
#include <ESP8266WiFi.h>
#include <ESPAsyncTCP.h>
#include <ESP8266mDNS.h>
#endif
#include <ESPAsyncWebServer.h>
#ifdef USE_WFM
#include "ESPAsyncWiFiManager.h"
#endif
#include <SPIFFSEditor.h>
#include <EEPROM.h>
#include <Ticker.h>
#include <DHT.h>
#ifdef USE_AUTH_COOKIE
#include <stdint.h>
#include "Xtea.h"
#endif
#define RTC_UTC_TEST 1577836800 // Some Date
#define MYTZ PSTR("EST5EDT,M3.2.0,M11.1.0")
#define EESC 100 // fixed eeprom address for sched choice
#define EECH 104 // fixed eeprom address to keep selected active channel, only for reference here
#define EEBEGIN EECH + 1
#define EEMARK 0x5A
#define MEMMAX 2 // 0,1,2... last max index (only 3 channels)
#define EEALL 512
#define HYST 0.5 // C +/- hysteresis
// DHT
#define DHTTYPE DHT22 // DHT 11 // DHT 22, AM2302, AM2321 // DHT 21, AM2301
#define DHTPIN 4 //D2
#define DHT_T_CORR -0.3 //Temperature offset compensation of the sensor (can be -)
#define DHT_H_CORR -2.2 //Humidity offset compensation of the sensor
// SKETCH BEGIN MAIN DECLARATIONS
DHT dht(DHTPIN, DHTTYPE);
Ticker tim;
AsyncWebServer server(80); //single port - easy for forwarding
AsyncWebSocket ws("/ws");
#ifdef USE_WFM
#ifdef USE_EADNS
AsyncDNSServer dns;
#else
DNSServer dns;
#endif
//Fallback timeout in seconds allowed to config or it creates an own AP, then serves 192.168.4.1
#define FBTO 120
const char* fbssid = "FBSSW";
const char* fbpassword = "FBpassword4";
#else
const char* ssid = "MYROUTERSSD";
const char* password = "MYROUTERPASSWD";
#endif
const char* hostName = HSTNM;
// RTC
static timeval tv;
static time_t now;
// HW I/O
const int btnPin = 0; //D3
const int ledPin = 2; //D4
#ifdef ESP32
#define LED_ON 0x1
#define LED_OFF 0x0
#elif defined(ESP8266)
#define LED_ON 0x0
#define LED_OFF 0x1
#endif
int btnState = HIGH;
// Globals
uint8_t count = 0;
uint8_t sched = 0; // automatic schedule
byte memch = 0; // select memory "channel" to work with
float t = 0;
float h = 0;
bool udht = false;
bool heat_enabled_prev = false;
int ledState = LED_OFF;
struct EE_bl {
byte memid; //here goes the EEMARK stamp
uint8_t hstart;
uint8_t mstart;
uint8_t hstop;
uint8_t mstop;
float tempe;
};
EE_bl ee = {0,0,0,0,0,0.1}; //populate as initial
// SUBS
void writeEE() {
ee.memid = EEMARK;
//EEPROM.put(EESC, sched); // only separately when needed with commit()
//EEPROM.put(EECH, memch); // not need to store and retrieve memch
EEPROM.put(EEBEGIN + memch*sizeof(ee), ee);
EEPROM.commit(); //needed for ESP8266?
}
void readEE() {
byte ChkEE;
if (memch > MEMMAX) memch = 0;
EEPROM.get(EEBEGIN + memch*sizeof(ee), ChkEE);
if (ChkEE == EEMARK){ //otherwise stays with defaults
EEPROM.get(EEBEGIN + memch*sizeof(ee), ee);
EEPROM.get(EESC, sched);
if (sched > MEMMAX + 1) sched = 0;
}
}
void showTime()
{
byte tmpch = 0;
bool heat_enabled = false;
gettimeofday(&tv, nullptr);
now = time(nullptr);
const tm* tm = localtime(&now);
ws.printfAll("Now,Clock,%02d:%02d,%d", tm->tm_hour, tm->tm_min, tm->tm_wday);
if ((2==tm->tm_hour )&&(2==tm->tm_min)) {
configTzTime(MYTZ, "pool.ntp.org");
Serial.print(F("Sync Clock at 02:02\n"));
}
Serial.printf("RTC: %02d:%02d\n", tm->tm_hour, tm->tm_min);
if (sched == 0) { // automatic
if ((tm->tm_wday > 0)&&(tm->tm_wday < 6)) tmpch = 0; //Mon - Fri
else if (tm->tm_wday == 6) tmpch = 1; //Sat
else if (tm->tm_wday == 0) tmpch = 2; //Sun
} else { // manual
tmpch = sched - 1; //and stays
}
if (tmpch != memch) { // update if different
memch = tmpch;
readEE();
ws.printfAll("Now,Setting,%02d:%02d,%02d:%02d,%+2.1f", ee.hstart, ee.mstart, ee.hstop, ee.mstop, ee.tempe);
}
// process smart switch by time and temperature
uint16_t xmi = (uint16_t)(60*tm->tm_hour) + tm->tm_min; // max 24h = 1440min, current time
uint16_t bmi = (uint16_t)(60*ee.hstart) + ee.mstart; // begin in minutes
uint16_t emi = (uint16_t)(60*ee.hstop) + ee.mstop; // end in minutes
if (bmi == emi) heat_enabled = false;
else { //enable smart if different
if (((bmi < emi)&&(bmi <= xmi)&&(xmi < emi))||
((emi < bmi)&&((bmi <= xmi)||(xmi < emi)))) {
heat_enabled = true;
} else heat_enabled = false;
}
if (heat_enabled_prev) { // smart control (delayed one cycle)
if (((t - HYST) < ee.tempe)&&(ledState == LED_OFF)) { // OFF->ON once
ledState = LED_ON;
digitalWrite(ledPin, ledState); // apply change
ws.textAll("led,ledon");
}
if ((((t + HYST) > ee.tempe)&&(ledState == LED_ON))||(!heat_enabled)) { // ON->OFF once, also turn off at end of period.
ledState = LED_OFF;
digitalWrite(ledPin, ledState); // apply change
ws.textAll("led,ledoff");
}
Serial.printf(ledState == LED_ON ? "LED ON" : "LED OFF");
Serial.print(F(", Smart enabled\n"));
}
heat_enabled_prev = heat_enabled; //update
}
void updateDHT(){
float h1 = dht.readHumidity();
float t1 = dht.readTemperature(); //Celsius or dht.readTemperature(true) for Fahrenheit
if (isnan(h1) || isnan(t1)) {
Serial.println(F("Failed to read from DHT sensor!"));
} else {
h = h1 + DHT_H_CORR;
t = t1 + DHT_T_CORR;
}
}
void analogSample()
{
ws.printfAll("wpMeter,Arduino,%+2.1f,%2.1f,%d", t, h, heat_enabled_prev);
Serial.printf("T/H.: %+2.1f°C/%2.1f%%,%d\n", t, h, heat_enabled_prev);
}
void checkPhysicalButton()
{
if (digitalRead(btnPin) == LOW) {
if (btnState != LOW) { // btnState is used to avoid sequential toggles
ledState = !ledState;
digitalWrite(ledPin, ledState);
if (ledState == LED_OFF) {
ws.textAll("led,ledoff");
Serial.println(F("LED-OFF"));
} else {
ws.textAll("led,ledon");
Serial.println(F("LED-ON"));
}
}
btnState = LOW;
} else {
btnState = HIGH;
}
}
void mytimer() {
++count; //200ms increments
checkPhysicalButton();
if ((count % 25) == 1) { // update temp every 5 seconds
analogSample();
udht = true;
}
if ((count % 50) == 0) { // update temp every 10 seconds
ws.cleanupClients();
}
if (count >= 150) { // cycle every 30 sec
showTime();
count = 0;
}
}
#ifdef USE_AUTH_COOKIE
unsigned long key[4] = {0x01F20304,0x05060708,0x090a0b0c,0x0d0e0f00};
Xtea x(key);
void encip(String &mtk, unsigned long token){
unsigned long res[2] = {(unsigned long)random(0xFFFFFFFF),token};
x.encrypt(res);
char buf1[18];
sprintf(buf1, "%08X_%08X",res[0],res[1]); //8 bytes for encryping the IP cookie
mtk = (String)buf1;
}
unsigned long decip(const char *pch){
unsigned long res[2] = {0,0};
res[0] = strtoul(pch, NULL, 16);
res[1] = strtoul(&pch[9], NULL, 16);
x.decrypt(res);
return res[1];
}
bool myHandshake(AsyncWebServerRequest *request){ // false will 401
bool rslt = false;
if (request->hasHeader("Cookie")){
String cookie = request->header("Cookie");
Serial.println(cookie);
uint8_t pos = cookie.indexOf(MY_COOKIE_PREF);
if (pos != -1){
unsigned long ix = decip(cookie.substring(pos+5, pos+22).c_str());
Serial.printf("Ask:%08X Got:%08X\n", MY_SECRET_NUMBER, ix);
if (MY_SECRET_NUMBER == ix)
rslt=true;
} else rslt=false;
} else rslt=false;
Serial.printf(rslt ? "C-YES\n" : "C-NO\n");
return rslt;
}
#endif
// server
void onWsEvent(AsyncWebSocket * server, AsyncWebSocketClient * client, AwsEventType type, void * arg, uint8_t *data, size_t len){
if(type == WS_EVT_CONNECT){
Serial.printf("ws[%s][%u] connect\n", server->url(), client->id());
//client->printf("Hello Client %u :)", client->id());
//client->ping();
IPAddress ip = client->remoteIP();
Serial.printf("[%u] Connected from %d.%d.%d.%d\n", client->id(), ip[0], ip[1], ip[2], ip[3]);
showTime();
analogSample();
if (ledState == LED_OFF) ws.textAll("led,ledoff");
else ws.textAll("led,ledon");
ws.printfAll("Now,Setting,%02d:%02d,%02d:%02d,%+2.1f", ee.hstart, ee.mstart, ee.hstop, ee.mstop, ee.tempe);
ws.printfAll("Now,sched,%d", sched);
} else if(type == WS_EVT_DISCONNECT){
Serial.printf("ws[%s][%u] disconnect\n", server->url(), client->id());
ws.textAll("Now,remoff");
} else if(type == WS_EVT_ERROR){
Serial.printf("ws[%s][%u] error(%u): %s\n", server->url(), client->id(), *((uint16_t*)arg), (char*)data);
} else if(type == WS_EVT_PONG){
Serial.printf("ws[%s][%u] pong[%u]: %s\n", server->url(), client->id(), len, (len)?(char*)data:"");
} else if(type == WS_EVT_DATA){
AwsFrameInfo * info = (AwsFrameInfo*)arg;
String msg = "";
if(info->final && info->index == 0 && info->len == len){
//the whole message is in a single frame and we got all of it's data
Serial.printf("ws[%s][%u] %s-message[%llu]: ", server->url(), client->id(), (info->opcode == WS_TEXT)?"text":"binary", info->len);
if(info->opcode == WS_TEXT){
for(size_t i=0; i < info->len; i++) { //debug
msg += (char) data[i];
}
if(data[0] == 'L') { // LED
if(data[1] == '1') {
ledState = LED_ON;
ws.textAll("led,ledon"); // for others
}
else if(data[1] == '0') {
ledState = LED_OFF;
ws.textAll("led,ledoff");
}
digitalWrite(ledPin, ledState); // apply change
} else if(data[0] == 'T') { // timeset
if (len > 11) {
data[3] = data[6] = data[9] = data[12] = 0; // cut strings
ee.hstart = (uint8_t) atoi((const char *) &data[1]);
ee.mstart = (uint8_t) atoi((const char *) &data[4]);
ee.hstop = (uint8_t) atoi((const char *) &data[7]);
ee.mstop = (uint8_t) atoi((const char *) &data[10]);
Serial.printf("[%u] Timer set %02d:%02d - %02d:%02d\n", client->id(), ee.hstart, ee.mstart, ee.hstop, ee.mstop);
writeEE();
memch = 255; // to force showTime()to send Setting
showTime();
}
} else if(data[0] == 'W') { // temperatureset
if (len > 3) {
if (ee.tempe != (float) atof((const char *) &data[1])){
ee.tempe = (float) atof((const char *) &data[1]);
Serial.printf("[%u] Temp set %+2.1f\n", client->id(), ee.tempe);
writeEE();
memch = 255; // to force showTime()to send Setting
showTime();
}
}
} else if ((data[0] == 'Z')&&(len > 2)) { // sched
data[2] = 0;
if (sched != (uint8_t) atoi((const char *) &data[1])){
sched = (uint8_t) atoi((const char *) &data[1]);
EEPROM.put(EESC, sched); //separately
EEPROM.commit(); //needed for ESP8266?
ws.printfAll("Now,sched,%d", sched);
showTime();
}
}
} else {
char buff[3];
for(size_t i=0; i < info->len; i++) {
sprintf(buff, "%02x ", (uint8_t) data[i]);
msg += buff ;
}
}
Serial.printf("%s\n",msg.c_str());
if(info->opcode == WS_TEXT)
client->text("I got your text message");
else
client->binary("I got your binary message");
} else {
//message is comprised of multiple frames or the frame is split into multiple packets
if(info->index == 0){
if(info->num == 0)
Serial.printf("ws[%s][%u] %s-message start\n", server->url(), client->id(), (info->message_opcode == WS_TEXT)?"text":"binary");
Serial.printf("ws[%s][%u] frame[%u] start[%llu]\n", server->url(), client->id(), info->num, info->len);
}
Serial.printf("ws[%s][%u] frame[%u] %s[%llu - %llu]: ", server->url(), client->id(), info->num, (info->message_opcode == WS_TEXT)?"text":"binary", info->index, info->index + len);
if(info->opcode == WS_TEXT){
for(size_t i=0; i < len; i++) {
msg += (char) data[i];
}
} else {
char buff[3];
for(size_t i=0; i < len; i++) {
sprintf(buff, "%02x ", (uint8_t) data[i]);
msg += buff ;
}
}
Serial.printf("%s\n",msg.c_str());
if((info->index + len) == info->len){
Serial.printf("ws[%s][%u] frame[%u] end[%llu]\n", server->url(), client->id(), info->num, info->len);
if(info->final){
Serial.printf("ws[%s][%u] %s-message end\n", server->url(), client->id(), (info->message_opcode == WS_TEXT)?"text":"binary");
if(info->message_opcode == WS_TEXT)
client->text("I got your text message");
else
client->binary("I got your binary message");
}
}
}
}
}
// setup -----------------------------------
void setup(){
Serial.begin(115200);
Serial.setDebugOutput(true);
//Wifi
#ifdef USE_WFM
AsyncWiFiManager wifiManager(&server,&dns);
#ifdef DEL_WFM
wifiManager.resetSettings();
#endif
wifiManager.setTimeout(FBTO); // seconds to config or it creates an own AP, then browse 192.168.4.1
if (!wifiManager.autoConnect(hostName)){
Serial.print(F("*FALLBACK AP*\n"));
WiFi.mode(WIFI_AP);
WiFi.softAP(fbssid, fbpassword);
// MDNS.begin(fbssid);
// MDNS.addService("http","tcp",80); // Core SVN 5179 use STA as default interface in mDNS (#7042)
}
#else
// Manual simple STA mode to connect to known router
//WiFi.mode(WIFI_AP_STA); // Core SVN 5179 use STA as default interface in mDNS (#7042)
//WiFi.softAP(hostName); // Core SVN 5179 use STA as default interface in mDNS (#7042)
WiFi.mode(WIFI_STA); // Core SVN 5179 use STA as default interface in mDNS (#7042)
WiFi.begin(ssid, password);
if (WiFi.waitForConnectResult() != WL_CONNECTED) {
Serial.print(F("STA: Failed!\n"));
WiFi.disconnect(false);
delay(1000);
WiFi.begin(ssid, password);
}
#endif
Serial.print(F("*CONNECTED* OWN IP:"));
Serial.println(WiFi.localIP());
//DHT
dht.begin();
updateDHT(); //first reading takes time, hold here than the loop;
//Real Time
time_t rtc = RTC_UTC_TEST;
timeval tv = { rtc, 0 };
//timezone tz = { 0, 0 }; //(insert) <#5194
settimeofday(&tv, nullptr); //settimeofday(&tv, &tz); // <#5194
configTzTime(MYTZ, "pool.ntp.org");
//MDNS (not needed)
// MDNS.begin(hostName);
// MDNS.addService("http","tcp",80); // Core SVN 5179 use STA as default interface in mDNS (#7042)
//I/O & DHT
pinMode(ledPin, OUTPUT);
pinMode(btnPin, INPUT_PULLUP);
//EE
EEPROM.begin(EEALL);
//EEPROM.get(EECH, memch); //current channel, no need
readEE(); // populate structure if healthy
digitalWrite(ledPin, ledState);
Serial.printf("Timer set %02d:%02d - %02d:%02d\n", ee.hstart, ee.mstart, ee.hstop, ee.mstop);
Serial.printf("Temp set %+2.1f\n", ee.tempe);
//FS
#ifdef USE_FatFS
if (MYFS.begin(false,"/ffat",3)) { //limit the RAM usage, bottom line 8kb + 4kb takes per each file, default is 10
#else
if (MYFS.begin()) {
#endif
Serial.print(F("FS mounted\n"));
} else {
Serial.print(F("FS mount failed\n"));
}
#ifdef USE_AUTH_WS
ws.setAuthentication(http_username,http_password);
#endif
#ifdef USE_AUTH_COOKIE
ws.handleHandshake(myHandshake);
#endif
ws.onEvent(onWsEvent);
server.addHandler(&ws);
#ifdef ESP32
#ifdef USE_AUTH_STAT
server.addHandler(new SPIFFSEditor(MYFS, http_username,http_password));
#elif defined(USE_AUTH_COOKIE)
server.addHandler(new SPIFFSEditor(MYFS)).setFilter(myHandshake);
#else
server.addHandler(new SPIFFSEditor(MYFS));
#endif
#elif defined(ESP8266)
#ifdef USE_AUTH_STAT
server.addHandler(new SPIFFSEditor(http_username,http_password,MYFS));
#elif defined(USE_AUTH_COOKIE)
server.addHandler(new SPIFFSEditor("","",MYFS)).setFilter(myHandshake);
#else
server.addHandler(new SPIFFSEditor("","",MYFS));
#endif
#endif
#ifdef USE_AUTH_COOKIE
server.on("/lg2n", HTTP_POST, [](AsyncWebServerRequest *request){
String ckx;
encip(ckx, MY_SECRET_NUMBER);
AsyncWebServerResponse *response;
if(request->hasParam("lg0f",true)){
response = request->beginResponse(200, "text/html;charset=utf-8", "<h1>Logged Out! <a href='/'>Back</a></h1>");
response->addHeader("Cache-Control", "no-cache");
response->addHeader("Set-Cookie", MY_COOKIE_DEL);
} else if(request->hasParam("pa2w",true) && (String(request->getParam("pa2w",true)->value().c_str()) == String(http_password))){
response = request->beginResponse(301);
response->addHeader("Location", "/");
response->addHeader("Cache-Control", "no-cache");
response->addHeader("Set-Cookie", MY_COOKIE_PREF + ckx + MY_COOKIE_SUFF);
} else response = request->beginResponse(200, "text/html;charset=utf-8", "<h1>Wrong password! <a href='/'>Back</a></h1>");
request->send(response);
});
#endif
// below paths need individual auth ////////////////////////////////////////////////
server.on("/free-ram", HTTP_GET, [](AsyncWebServerRequest *request){ // direct request->answer
#ifdef USE_AUTH_STAT
if(!request->authenticate(http_username, http_password)) return request->requestAuthentication();
#endif
#ifdef ESP32
request->send(200, "text/plain", String(ESP.getMinFreeHeap()) + ':' + String(ESP.getFreeHeap()) + ':'+ String(ESP.getHeapSize()));
#else
request->send(200, "text/plain", String(ESP.getFreeHeap()));
#endif
#ifdef USE_AUTH_COOKIE
}).setFilter(myHandshake);
#else
});
#endif
server.on("/get-time", HTTP_GET, [](AsyncWebServerRequest *request){
#ifdef USE_AUTH_STAT
if(!request->authenticate(http_username, http_password)) return request->requestAuthentication();
#endif
if(request->hasParam("btime")){
time_t rtc = (request->getParam("btime")->value()).toInt();
timeval tv = { rtc, 0 };
settimeofday(&tv, nullptr);
}
request->send(200, "text/plain","Got browser time ...");
#ifdef USE_AUTH_COOKIE
}).setFilter(myHandshake);
#else
});
#endif
server.on("/hw-reset", HTTP_GET, [](AsyncWebServerRequest *request){
#ifdef USE_AUTH_STAT
if(!request->authenticate(http_username, http_password)) return request->requestAuthentication();
#endif
request->onDisconnect([]() {
#ifdef ESP32
ESP.restart();
#elif defined(ESP8266)
ESP.reset();
#endif
});
request->send(200, "text/plain","Restarting ...");
#ifdef USE_AUTH_COOKIE
}).setFilter(myHandshake);
#else
});
#endif
server.on("/erase-wifi", HTTP_GET, [](AsyncWebServerRequest *request){
#ifdef USE_AUTH_STAT
if(!request->authenticate(http_username, http_password)) return request->requestAuthentication();
#endif
request->onDisconnect([]() {
WiFi.disconnect(true);
#ifdef ESP32
ESP.restart();
#elif defined(ESP8266)
ESP.reset();
#endif
});
request->send(200, "text/plain","Erasing WiFi data ...");
#ifdef USE_AUTH_COOKIE
}).setFilter(myHandshake);
#else
});
#endif
// above paths need individual auth ////////////////////////////////////////////////
#ifdef USE_AUTH_COOKIE
server.serveStatic("/", MYFS, "/").setDefaultFile("index.htm").setFilter(myHandshake);
server.serveStatic("/", MYFS, "/login/").setDefaultFile("index.htm");
#else
#ifdef USE_AUTH_STAT
server.serveStatic("/", MYFS, "/").setDefaultFile("index.htm").setAuthentication(http_username,http_password);
#else
server.serveStatic("/", MYFS, "/").setDefaultFile("index.htm");
#endif
#endif
server.onNotFound([](AsyncWebServerRequest *request){ // nothing known
Serial.print(F("NOT_FOUND: "));
if (request->method() == HTTP_OPTIONS) request->send(200); //CORS
else request->send(404);
});
DefaultHeaders::Instance().addHeader("Access-Control-Allow-Origin", "*");//CORS
server.begin();
//Timer tick
tim.attach(0.2, mytimer); //every 0.2s
//OTA
ArduinoOTA.setHostname(hostName);
ArduinoOTA.onStart([]() {
Serial.print(F("OTA Started ...\n"));
MYFS.end(); // Clean FS
ws.textAll("Now,OTA"); // for all clients
ws.enable(false);
ws.closeAll();
});
ArduinoOTA.begin();
} // setup end
// loop -----------------------------------
void loop(){
if (udht){ // 5sec
updateDHT();
udht = false;
}
ArduinoOTA.handle();
}
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