mirror of
https://github.com/h2zero/esp-nimble-cpp.git
synced 2024-12-22 19:10:46 +01:00
69 lines
2.3 KiB
C++
69 lines
2.3 KiB
C++
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/**
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* NimBLE Extended Scanner Demo:
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*
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* Demonstrates the Bluetooth 5.x scanning capabilities of the NimBLE library.
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*
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* Created: on November 28, 2024
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* Author: H2zero
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*
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*/
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#include <NimBLEDevice.h>
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static uint32_t scanTime = 10 * 1000; // In milliseconds, 0 = scan forever
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static NimBLEScan::Phy scanPhy = NimBLEScan::Phy::SCAN_ALL;
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// Define a class to handle the callbacks when advertisements are received
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class scanCallbacks: public NimBLEScanCallbacks {
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void onResult(const NimBLEAdvertisedDevice* advertisedDevice) {
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printf("Advertised Device found: %s\n PHY1: %d\n PHY2: %d\n", advertisedDevice->toString().c_str(),
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advertisedDevice->getPrimaryPhy(), advertisedDevice->getSecondaryPhy());
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}
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// Callback to process the results of the completed scan or restart it
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void onScanEnd(const NimBLEScanResults& scanResults, int reason) {
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printf("Scan Ended, reason: %d; found %d devices\n", reason, scanResults.getCount());
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// Try Different PHY's
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switch (scanPhy) {
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case NimBLEScan::Phy::SCAN_ALL:
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printf("Scanning only 1M PHY\n");
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scanPhy = NimBLEScan::Phy::SCAN_1M;
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break;
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case NimBLEScan::Phy::SCAN_1M:
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printf("Scanning only CODED PHY\n");
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scanPhy = NimBLEScan::Phy::SCAN_CODED;
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break;
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case NimBLEScan::Phy::SCAN_CODED:
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printf("Scanning all PHY's\n");
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scanPhy = NimBLEScan::Phy::SCAN_ALL;
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break;
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}
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NimBLEScan* pScan = NimBLEDevice::getScan();
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pScan->setPhy(scanPhy);
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pScan->start(scanTime);
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}
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} scanCb;
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extern "C" void app_main (void) {
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printf("Starting Extended Scanner\n");
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// Initialize NimBLE, no device name specified as we are not advertising
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NimBLEDevice::init("");
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NimBLEScan* pScan = NimBLEDevice::getScan();
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// Set the callbacks that the scanner will call on events.
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pScan->setScanCallbacks(&scanCb);
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// Use active scanning to obtain scan response data from advertisers
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pScan->setActiveScan(true);
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// Set the initial PHY's to scan on, default is SCAN_ALL
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pScan->setPhy(scanPhy);
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// Start scanning for scanTime, 0 = forever
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pScan->start(scanTime);
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printf("Scanning for peripherals\n");
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}
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