Tugas Akhir - ESP32 Gateway

#include <WiFi.h>
#include <painlessMesh.h>

const char* ssid =      "vivo V29";
const char* password =  "Nabila041185";

#define MESH_PREFIX     "yourMeshNetwork"
#define MESH_PASSWORD   "yourMeshPassword"
#define MESH_PORT       5555

#define LED_PIN 2

Scheduler userScheduler;
painlessMesh mesh;

void receivedCallback(uint32_t from, String &msg) {
  Serial.printf("Received from %u msg=%s\n", from, msg.c_str());
  Serial.println("Data diterima dari Node Mesh: " + msg);                 // Tambahkan baris ini untuk mencetak data ke serial monitor
}

void newConnectionCallback(uint32_t nodeId) {
  Serial.printf("--> New Connection, nodeId = %u\n", nodeId);
}

void changedConnectionCallback() {
  Serial.printf("Changed connections\n");
  if (mesh.getNodeList().size() == 0) {
    digitalWrite(LED_PIN, LOW); // Matikan LED jika tidak ada koneksi
  } else {
    digitalWrite(LED_PIN, HIGH); // Nyalakan LED jika ada koneksi
  }
}

void nodeTimeAdjustedCallback(int32_t offset) {
  Serial.printf("Adjusted time %u. Offset = %d\n", mesh.getNodeTime(), offset);
}

void setup() {
  Serial.begin(115200);

  pinMode(LED_PIN, OUTPUT);
  digitalWrite(LED_PIN, LOW); // Matikan LED pada awalnya

  WiFi.begin(ssid, password);
  while (WiFi.status() != WL_CONNECTED) {
    delay(1000);
    Serial.println("Connecting to WiFi...");
  }
  Serial.println("Connected to WiFi");

  mesh.setDebugMsgTypes(ERROR | STARTUP);
  mesh.init(MESH_PREFIX, MESH_PASSWORD, &userScheduler, MESH_PORT);
  mesh.onReceive(&receivedCallback);
  mesh.onNewConnection(&newConnectionCallback);
  mesh.onChangedConnections(&changedConnectionCallback);
  mesh.onNodeTimeAdjusted(&nodeTimeAdjustedCallback);
}

void loop() {
  mesh.update();
}