232 lines
8.1 KiB
Arduino
232 lines
8.1 KiB
Arduino
/*
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Sources:
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https://www.youtube.com/watch?v=kq2RLz65_w0
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https://www.dfrobot.com/wiki/index.php/DFPlayer_Mini_SKU:DFR0299
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https://github.com/pcbreflux/espressif/blob/master/esp32/arduino/sketchbook/ESP32_DFPlayer_full/ESP32_DFPlayer_full.ino
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https://github.com/pcbreflux/espressif/blob/master/esp32/arduino/sketchbook/ESP32_DFPlayer_full/setup.png
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https://randomnerdtutorials.com/esp32-web-server-arduino-ide/
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https://randomnerdtutorials.com/solved-reconnect-esp32-to-wifi/
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*/
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/* Anmerkungen:
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- Übertragung aus Arduino IDE mit Board "ESP32 Dev Module", siehe https://github.com/espressif/arduino-esp32/blob/master/docs/arduino-ide/boards_manager.md
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- Zum Übertragen an das ESP-32-WROOM muss (manchmal?) der BOOT-Button gedrückt werden
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- Die Library DFRobotDFPlayerMini-1.0.3.zip muss in der Arduino IDE über Sketch > Bibliothek einbinden > .ZIP-Bibliothek geöffnet werden
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*/
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#include <Arduino.h>
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#include "DFRobotDFPlayerMini.h"
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#include <WiFi.h>
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HardwareSerial hwSerial(1);
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DFRobotDFPlayerMini dfPlayer;
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int volume = 22;
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const char* ssid = "LeWe";
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const char* password = "5275274365464843";
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WiFiServer server(80); // Set web server port number to 80
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String header;
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const int ledPin = 26;
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int charCount = 0;
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unsigned long previousMillis = 0;
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unsigned long interval = 120000;
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unsigned long lastcheck = 120000;
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void setup()
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{
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btStop(); // turn off bluetooth
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hwSerial.begin(9600, SERIAL_8N1, 18, 19); // speed, type, TX, RX
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Serial.begin(115200);
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pinMode(ledPin, OUTPUT);
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digitalWrite(ledPin, LOW);
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Serial.println("Connecting to dfPlayer");
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dfPlayer.begin(hwSerial); //Use softwareSerial to communicate with mp3
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dfPlayer.setTimeOut(500); //Set serial communication time out 500ms
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dfPlayer.volume(volume); //Set volume value (0~30).
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dfPlayer.EQ(DFPLAYER_EQ_NORMAL);
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dfPlayer.outputDevice(DFPLAYER_DEVICE_SD);
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setupServer();
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}
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void setupServer() {
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digitalWrite(ledPin, LOW);
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// Connect to Wi-Fi network with SSID and password
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Serial.print("Connecting to ");
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Serial.println(ssid);
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WiFi.begin(ssid, password);
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while (WiFi.status() != WL_CONNECTED) {
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delay(500);
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Serial.print(".");
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charCount++;
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if (charCount >= 80) {
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charCount = 0;
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Serial.println("");
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}
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}
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// Print local IP address and start web server
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Serial.println("");
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Serial.println("WiFi connected.");
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Serial.println("IP address: ");
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Serial.println(WiFi.localIP());
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server.begin();
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delay(500);
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dfPlayer.play(2); // play the second mp3
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digitalWrite(ledPin, HIGH);
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Serial.println("Setup completed");
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}
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void loop() {
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if ((WiFi.status() == WL_CONNECTED)) {
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WiFiClient client = server.available(); // Listen for incoming clients
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if (client) {
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String currentLine = ""; // make a String to hold incoming data from the client
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while (client.connected()) { // loop while the client's connected
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if (client.available()) { // if there's bytes to read from the client,
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char c = client.read(); // read a byte, then
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Serial.write(c); // print it out the serial monitor
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header += c;
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if (c == '\n') { // if the byte is a newline character
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// if the current line is blank, you got two newline characters in a row.
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// that's the end of the client HTTP request, so send a response:
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if (currentLine.length() == 0) {
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// HTTP headers always start with a response code (e.g. HTTP/1.1 200 OK)
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// and a content-type so the client knows what's coming, then a blank line:
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client.println("HTTP/1.1 200 OK");
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client.println("Content-type:text/html");
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client.println("Connection: close");
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client.println();
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// turns the GPIOs on and off
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if (header.indexOf("GET /bell/on") >= 0) {
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dfPlayer.play(1); //Play the first mp3
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}
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else if (header.indexOf("GET /volume/") >= 0) { // yes, I know this is not RESTful
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String str1 = header;
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str1 = str1.substring(header.indexOf("GET /volume/") + 12);
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volume = str1.substring(0, str1.indexOf(" ")).toInt();
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if (volume < 0) {
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volume = 0;
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}
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else if (volume > 30) {
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volume = 30;
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}
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dfPlayer.volume(volume);
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Serial.print("volume set to ");
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Serial.println(volume);
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}
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// Display the HTML web page
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client.println("<!DOCTYPE html><html>");
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client.println("<head><meta name=\"viewport\" content=\"width=device-width, initial-scale=1\">");
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client.println("<link rel=\"icon\" href=\"data:,\">");
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client.println("<style>html { font-family: sans-serif; display: inline-block; margin: 0px auto; text-align: center; }");
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client.println(".button { background-color: #4CAF50; border: none; color: white; padding: 16px 40px; text-decoration: none; font-size: 30px; margin: 2px; cursor: pointer;}");
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client.println(".button2 { background-color: #4CAF50; border: none; color: white; padding: 4px 10px; text-decoration: none; margin: 1px; cursor: pointer;}</style></head>");
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client.println("<body><h1>LeWe Türklingel</h1>");
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client.println("<p>Volume: <a href=\"/volume/" + String(volume-1) + "\"><button class=\"button2\">−</button></a> " + String(volume) + " <a href=\"/volume/" + String(volume+1) + "\"><button class=\"button2\">+</button></a></p>");
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client.println("<p><a href=\"/bell/on\"><button class=\"button\">Klingeln</button></a></p>");
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client.println("<p style='margin-top: 40px; font-size: 8px;'>dfplayer status: " + printDetail(dfPlayer.readType(), dfPlayer.read()) + "</p>");
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client.println("</body></html>");
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// The HTTP response ends with another blank line
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client.println();
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// Break out of the while loop
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break;
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} else { // if you got a newline, then clear currentLine
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currentLine = "";
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}
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} else if (c != '\r') { // if you got anything else but a carriage return character,
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currentLine += c; // add it to the end of the currentLine
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}
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}
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}
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// Clear the header variable
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header = "";
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// Close the connection
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client.stop();
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Serial.println("Client disconnected");
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Serial.println("");
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}
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}
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else if (lastcheck >= interval) {
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Serial.println("Reconnecting...");
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dfPlayer.play(3); // play the third mp3
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WiFi.disconnect();
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WiFi.reconnect();
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previousMillis = millis();
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}
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else {
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lastcheck = millis() - previousMillis;
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}
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}
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String printDetail(uint8_t type, int value){
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switch (type) {
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case TimeOut:
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return "Time Out!";
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break;
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case WrongStack:
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return "Stack Wrong!";
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break;
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case DFPlayerCardInserted:
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return "Card Inserted!";
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break;
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case DFPlayerCardRemoved:
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return "Card Removed!";
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break;
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case DFPlayerCardOnline:
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return "Card Online!";
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break;
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case DFPlayerPlayFinished:
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return "Play Finished!";
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break;
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case DFPlayerError:
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switch (value) {
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case Busy:
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return "Error: Card not found";
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break;
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case Sleeping:
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return "Error: Sleeping";
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break;
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case SerialWrongStack:
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return "Error: Get Wrong Stack";
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break;
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case CheckSumNotMatch:
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return "Error: Check Sum Not Match";
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break;
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case FileIndexOut:
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return "Error: File Index Out of Bound";
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break;
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case FileMismatch:
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return "Error: Cannot Find File";
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break;
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case Advertise:
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return "Error: In Advertise";
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break;
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default:
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return "UNKNOWN ERROR";
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break;
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}
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break;
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default:
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return "UNKNOWN TYPE";
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break;
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}
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} |