mirror of
https://github.com/h2zero/esp-nimble-cpp.git
synced 2024-10-22 16:09:44 +02:00
6a2f558ea5
This replaces NimBLEAdvertisedDeviceCallbacks with NimBLEScanCallbacks and adds a onScanEnd callback. The callback parameter for NimBLEScan::start has been removed and the blocking overload for NimBLEScan::start has been replaced by an overload of NimBLEScan::getResults with the same parameters.
52 lines
1.7 KiB
C++
52 lines
1.7 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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Refactored back to IDF by H2zero
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*/
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/** NimBLE differences highlighted in comment blocks **/
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/*******original********
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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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***********************/
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#include <NimBLEDevice.h>
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extern "C"{void app_main(void);}
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int scanTime = 5 * 1000; // In milliseconds, 0 = scan forever
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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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printf("Advertised Device: %s \n", advertisedDevice->toString().c_str());
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}
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};
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void scanTask (void * parameter){
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for(;;) {
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// put your main code here, to run repeatedly:
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BLEScanResults foundDevices = pBLEScan->getResults(scanTime, false);
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printf("Devices found: %d\n", foundDevices.getCount());
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printf("Scan done!\n");
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pBLEScan->clearResults(); // delete results fromBLEScan buffer to release memory
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vTaskDelay(2000/portTICK_PERIOD_MS); // Delay a second between loops.
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}
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vTaskDelete(NULL);
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}
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void app_main(void) {
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printf("Scanning...\n");
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BLEDevice::init("");
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pBLEScan = BLEDevice::getScan(); //create new scan
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pBLEScan->setScanCallbacks(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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xTaskCreate(scanTask, "scanTask", 5000, NULL, 1, NULL);
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}
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