/* * Copyright (c) 2015, Majenko Technologies * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright notice, this * list of conditions and the following disclaimer in the documentation and/or * other materials provided with the distribution. * * * Neither the name of Majenko Technologies nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include #include #include #include const char* ssid = "mieu mieu 01"; const char* password = "09471919479"; ESP32WebServer server ( 80 ); const int led = 13; void handleRoot() { digitalWrite ( led, 1 ); char temp[400]; int sec = millis() / 1000; int min = sec / 60; int hr = min / 60; snprintf ( temp, 400, "\ \ \ ESP32 Demo\ \ \ \

Hello from ESP32!

\

Uptime: %02d:%02d:%02d

\ \ \ ", hr, min % 60, sec % 60 ); server.send ( 200, "text/html", temp ); digitalWrite ( led, 0 ); } void handleNotFound() { digitalWrite ( led, 1 ); String message = "File Not Found\n\n"; message += "URI: "; message += server.uri(); message += "\nMethod: "; message += ( server.method() == HTTP_GET ) ? "GET" : "POST"; message += "\nArguments: "; message += server.args(); message += "\n"; for ( uint8_t i = 0; i < server.args(); i++ ) { message += " " + server.argName ( i ) + ": " + server.arg ( i ) + "\n"; } server.send ( 404, "text/plain", message ); digitalWrite ( led, 0 ); } void setup ( void ) { pinMode ( led, OUTPUT ); digitalWrite ( led, 0 ); Serial.begin ( 115200 ); WiFi.begin ( ssid, password ); Serial.println ( "" ); // Wait for connection while ( WiFi.status() != WL_CONNECTED ) { delay ( 500 ); Serial.print ( "." ); } Serial.println ( "" ); Serial.print ( "Connected to " ); Serial.println ( ssid ); Serial.print ( "IP address: " ); Serial.println ( WiFi.localIP() ); if ( MDNS.begin ( "esp32" ) ) { Serial.println ( "MDNS responder started" ); } server.on ( "/", handleRoot ); server.on ( "/test.svg", drawGraph ); server.on ( "/inline", []() { server.send ( 200, "text/plain", "this works as well" ); } ); server.onNotFound ( handleNotFound ); server.begin(); Serial.println ( "HTTP server started" ); } void loop ( void ) { server.handleClient(); } void drawGraph() { String out = ""; char temp[100]; out += "\n"; out += "\n"; out += "\n"; int y = rand() % 130; for (int x = 10; x < 390; x+= 10) { int y2 = rand() % 130; sprintf(temp, "\n", x, 140 - y, x + 10, 140 - y2); out += temp; y = y2; } out += "\n\n"; server.send ( 200, "image/svg+xml", out); }