#include <NimBLEDevice.h>

int scanTime = 5;
NimBLEScan* pBLEScan;

class MyAdvertisedDeviceCallbacks: public NimBLEAdvertisedDeviceCallbacks {
    void onResult(NimBLEAdvertisedDevice* advertisedDevice) {
      Serial.printf("Advertised Device: %s \n", advertisedDevice->toString().c_str());
    }
};

void setup() {
  Serial.begin(115200);
  Serial.println("Scanning...");

  NimBLEDevice::init("");
  pBLEScan = NimBLEDevice::getScan();
  pBLEScan->setAdvertisedDeviceCallbacks(new MyAdvertisedDeviceCallbacks());
  pBLEScan->setActiveScan(true);
  pBLEScan->setInterval(100);
  pBLEScan->setWindow(99);
}

void loop() {
  NimBLEScanResults results = pBLEScan->start(scanTime, false);

  Serial.print("Devices found: ");
  Serial.println(results.getCount());

  Serial.println("Scan done!");
  pBLEScan->clearResults();
  delay(2000);
}