MP3 player control with webserver using ESP32 WIFI

1#include <WiFi.h>
2#include <ESPAsyncWebServer.h>
3#include <HardwareSerial.h>
4// Configuración de la red Wi-Fi
5const char* ssid = "Tu_Red_Wifi";
6const char* password = "Tu_Clave_wifi";
7// Creación del servidor web
8AsyncWebServer server(80);
9// Configuración del puerto serial para el YX5300
10HardwareSerial mp3Serial(2); // Usamos Serial2 para la comunicación con el YX5300
11// Función para enviar comandos al módulo YX5300
12void sendCommand(uint8_t cmd, uint8_t arg1 = 0, uint8_t arg2 = 0) {
13  uint8_t command[8] = {0x7E, 0xFF, 0x06, cmd, 0x00, arg1, arg2, 0xEF};
14  mp3Serial.write(command, sizeof(command));
15}
16void setup() {
17  // Inicialización de seriales
18  Serial.begin(115200);
19  mp3Serial.begin(9600, SERIAL_8N1, 16, 17); // RX=16, TX=17
20  // Conexión a la red Wi-Fi
21  WiFi.begin(ssid, password);
22  while (WiFi.status() != WL_CONNECTED) {
23    delay(1000);
24    Serial.println("Conectando a WiFi...");
25  }
26  Serial.println("Conectado a WiFi");
27  Serial.println(WiFi.localIP());
28  // Configuración de las rutas en el servidor web
29  server.on("/", HTTP_GET, [](AsyncWebServerRequest *request) {
30    String html = "<h1>Control de Modulo YX5300</h1>";
31    html += "<button onclick=\"fetch('/play')\">Play</button><br>";
32    html += "<button onclick=\"fetch('/pause')\">Paus</button><br>";
33    html += "<button onclick=\"fetch('/stop')\">Stop</button><br>";
34    html += "<button onclick=\"fetch('/next')\">Prox</button><br>";
35    html += "<button onclick=\"fetch('/previous')\">Prev</button><br>";
36    html += "<button onclick=\"fetch('/volumeup')\">Vol +</button><br>";
37    html += "<button onclick=\"fetch('/volumedown')\">Vol -</button><br>";
38    request->send(200, "text/html", html);
39  });
40  // Rutas para controlar el módulo
41  server.on("/play", HTTP_GET, [](AsyncWebServerRequest *request) {
42    sendCommand(0x0D); // Play
43    request->send(200, "text/plain", "Playing Track 1");
44  });
45  server.on("/pause", HTTP_GET, [](AsyncWebServerRequest *request) {
46    sendCommand(0x0E); // Pausar
47    request->send(200, "text/plain", "Paused");
48  });
49  server.on("/stop", HTTP_GET, [](AsyncWebServerRequest *request) {
50    sendCommand(0x16); // Detener
51    request->send(200, "text/plain", "Stopped");
52  });
53  server.on("/next", HTTP_GET, [](AsyncWebServerRequest *request) {
54    sendCommand(0x01); // Siguiente pista
55    request->send(200, "text/plain", "Next Track");
56  });
57  server.on("/previous", HTTP_GET, [](AsyncWebServerRequest *request) {
58    sendCommand(0x02); // Pista anterior
59    request->send(200, "text/plain", "Previous Track");
60  });
61  server.on("/volumeup", HTTP_GET, [](AsyncWebServerRequest *request) {
62    static uint8_t volume = 15;
63    if (volume < 30) volume++;
64    sendCommand(0x04, 0x00, volume); // Subir volumen
65    request->send(200, "text/plain", "Volume Up");
66  });
67  server.on("/volumedown", HTTP_GET, [](AsyncWebServerRequest *request) {
68    static uint8_t volume = 15;
69    if (volume > 0) volume--;
70    sendCommand(0x05, 0x00, volume); // Bajar volumen
71    request->send(200, "text/plain", "Volume Down");
72  });
73  // Iniciar el servidor
74  server.begin();
75}
76void loop() {
77}