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Communication / Bluetooth Low Energy:

» BLE 01 Normal scan

This example shows how to make a normal scan with Bluetooth low energy, printing number of discovered devices and scan results stored in EEPROM.

Required Materials

1 x Waspmote
1 x Battery
1 x Bluetooth Low Energy module
1 x Bluetooth module antenna
1 x Expansion board (if socket 1 is used)
1 x SD card

Notes

Socket 0 is used by default
EEPROM is used in this example by default.
Never unplug module while Waspmote is turned ON.
Bluetooth module antenna should be connected.
The battery must be connected in ANY example.

Code

/*
 *  ------------------ [BLE_01] - Normal scan ------------------- 
 *
 *  Explanation: This example shows how to make a normal scan with 
 *  Bluetooth low energy, printing number of discovered devices 
 *  and scan results stored in EEPROM. 
 *
 *  Copyright (C) 2014 Libelium Comunicaciones Distribuidas S.L.
 *  http://www.libelium.com
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 * 
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 * 
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 *  Version:		0.1
 *  Design:		David Gascón
 *  Implementation:	Javier Siscart
 */

#include <WaspBLE.h>

// Auxiliary variable
uint8_t aux = 0;

void setup() 
{  
  USB.println(F("BLE_01 Example"));  

  // 0. Turn BLE module ON
  BLE.ON(SOCKET0);

}

void loop() 
{

  // 1. Normal scan
  USB.println(F("New scan for 5s.."));  
  BLE.scanNetwork(5);
  
  // Printing information
  USB.print("discovered devices: ");
  USB.println(BLE.numberOfDevices, DEC);
  USB.println();

  USB.println(F("Printing Last inquiry saved on EEPROM:"));  
  aux = BLE.printInquiry();
  USB.print("devices printed: ");
  USB.println(aux, DEC);
  USB.println();
  
  // 2. Normal scan specifying TX power
  USB.println(F("New scan at MAX TX power"));  
  BLE.scanNetwork(5, TX_POWER_MAX);

  // Printing information
  USB.print("discovered devices: ");
  USB.println(BLE.numberOfDevices, DEC);
  USB.println();

  USB.println(F("Printing Last inquiry saved on EEPROM:"));  
  aux = BLE.printInquiry();
  USB.print("devices printed: ");
  USB.println(aux, DEC);
  USB.println();
}

Output

D#
BLE_01 Example
New scan for 5s..
discovered devices: 1

Printing Last inquiry saved on EEPROM:
Scan params: GAP mode=2; scan_interval=75: scan_window=50; scan_duplicate_filtering=1; TXPower=15;
Device 0; 000780789ebf; RSSI:-39; Name:
devices printed:1

New scan at MAX TX power
discovered devices: 1

Printing Last inquiry saved on EEPROM:
Scan params: GAP mode=2; scan_interval=75: scan_window=50; scan_duplicate_filtering=1; TXPower=15;
Device 0; 000780789ebf; RSSI:-39; Name:
devices printed:1

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