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/*********************************************************************
This is an example for our nRF52 based Bluefruit LE modules
Pick one up today in the adafruit shop!
Adafruit invests time and resources providing this open source code,
please support Adafruit and open-source hardware by purchasing
products from Adafruit!
MIT license, check LICENSE for more information
All text above, and the splash screen below must be included in
any redistribution
*********************************************************************/
#include <bluefruit.h>
void setup()
{
Serial.begin(115200);
while ( !Serial ) delay(10); // for nrf52840 with native usb
Serial.println("Bluefruit52 Central Scan Example");
Serial.println("--------------------------------\n");
// Initialize Bluefruit with maximum connections as Peripheral = 0, Central = 1
// SRAM usage required by SoftDevice will increase dramatically with number of connections
Bluefruit.begin(0, 1);
// Set max power. Accepted values are: -40, -30, -20, -16, -12, -8, -4, 0, 4
Bluefruit.setTxPower(4);
Bluefruit.setName("Bluefruit52");
// Start Central Scan
Bluefruit.setConnLedInterval(250);
Bluefruit.Scanner.setRxCallback(scan_callback);
Bluefruit.Scanner.start(0);
Serial.println("Scanning ...");
}
void scan_callback(ble_gap_evt_adv_report_t* report)
{
Serial.println("Timestamp Addr Rssi Data");
Serial.printf("%09d ", millis());
// MAC is in little endian --> print reverse
Serial.printBufferReverse(report->peer_addr.addr, 6, ':');
Serial.print(" ");
Serial.print(report->rssi);
Serial.print(" ");
Serial.printBuffer(report->data.p_data, report->data.len, '-');
Serial.println();
// Check if advertising contain BleUart service
if ( Bluefruit.Scanner.checkReportForUuid(report, BLEUART_UUID_SERVICE) )
{
Serial.println(" BLE UART service detected");
}
Serial.println();
// For Softdevice v6: after received a report, scanner will be paused
// We need to call Scanner resume() to continue scanning
Bluefruit.Scanner.resume();
}
void loop()
{
// nothing to do
}
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