esp-nimble-cpp/examples/Bluetooth_5/NimBLE_extended_scan/main/main.cpp
2024-12-14 16:25:52 -07:00

69 lines
2.4 KiB
C++

/**
* NimBLE Extended Scanner Demo:
*
* Demonstrates the Bluetooth 5.x scanning capabilities of the NimBLE library.
*
* Created: on November 28, 2024
* Author: H2zero
*/
#include <NimBLEDevice.h>
static uint32_t scanTimeMs = 10 * 1000; // In milliseconds, 0 = scan forever
static NimBLEScan::Phy scanPhy = NimBLEScan::Phy::SCAN_ALL;
/** Define a class to handle the callbacks when advertisements are received */
class ScanCallbacks : public NimBLEScanCallbacks {
void onResult(const NimBLEAdvertisedDevice* advertisedDevice) {
printf("Advertised Device found: %s\n PHY1: %d\n PHY2: %d\n",
advertisedDevice->toString().c_str(),
advertisedDevice->getPrimaryPhy(),
advertisedDevice->getSecondaryPhy());
}
/** Callback to process the results of the completed scan or restart it */
void onScanEnd(const NimBLEScanResults& scanResults, int reason) {
printf("Scan Ended, reason: %d; found %d devices\n", reason, scanResults.getCount());
/** Try Different PHY's */
switch (scanPhy) {
case NimBLEScan::Phy::SCAN_ALL:
printf("Scanning only 1M PHY\n");
scanPhy = NimBLEScan::Phy::SCAN_1M;
break;
case NimBLEScan::Phy::SCAN_1M:
printf("Scanning only CODED PHY\n");
scanPhy = NimBLEScan::Phy::SCAN_CODED;
break;
case NimBLEScan::Phy::SCAN_CODED:
printf("Scanning all PHY's\n");
scanPhy = NimBLEScan::Phy::SCAN_ALL;
break;
}
NimBLEScan* pScan = NimBLEDevice::getScan();
pScan->setPhy(scanPhy);
pScan->start(scanTimeMs);
}
} scanCallbacks;
extern "C" void app_main(void) {
printf("Starting Extended Scanner\n");
/** Initialize NimBLE and set the device name */
NimBLEDevice::init("NimBLE Extended Scanner");
NimBLEScan* pScan = NimBLEDevice::getScan();
/** Set the callbacks that the scanner will call on events. */
pScan->setScanCallbacks(&scanCallbacks);
/** Use active scanning to obtain scan response data from advertisers */
pScan->setActiveScan(true);
/** Set the initial PHY's to scan on, default is SCAN_ALL */
pScan->setPhy(scanPhy);
/** Start scanning for scanTimeMs */
pScan->start(scanTimeMs);
printf("Scanning for peripherals\n");
}