40 lines
1.3 KiB
C++
40 lines
1.3 KiB
C++
/*
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Based on Neil Kolban example for IDF: https://github.com/nkolban/esp32-snippets/blob/master/cpp_utils/tests/BLE%20Tests/SampleScan.cpp
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Ported to Arduino ESP32 by Evandro Copercini
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*/
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#include <BLEDevice.h>
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#include <BLEUtils.h>
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#include <BLEScan.h>
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#include <BLEAdvertisedDevice.h>
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int scanTime = 5; //In seconds
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BLEScan *pBLEScan;
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class MyAdvertisedDeviceCallbacks : public BLEAdvertisedDeviceCallbacks {
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void onResult(BLEAdvertisedDevice advertisedDevice) {
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Serial.printf("Advertised Device: %s \n", advertisedDevice.toString().c_str());
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}
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};
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void setup() {
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Serial.begin(115200);
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Serial.println("Scanning...");
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BLEDevice::init("");
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pBLEScan = BLEDevice::getScan(); //create new scan
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pBLEScan->setAdvertisedDeviceCallbacks(new MyAdvertisedDeviceCallbacks());
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pBLEScan->setActiveScan(true); //active scan uses more power, but get results faster
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pBLEScan->setInterval(100);
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pBLEScan->setWindow(99); // less or equal setInterval value
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}
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void loop() {
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// put your main code here, to run repeatedly:
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BLEScanResults *foundDevices = pBLEScan->start(scanTime, false);
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Serial.print("Devices found: ");
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Serial.println(foundDevices->getCount());
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Serial.println("Scan done!");
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pBLEScan->clearResults(); // delete results fromBLEScan buffer to release memory
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delay(2000);
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}
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