Development v12

Warning - Product Update

All the resources present on this section belong to Waspmote v12, Waspmote Plug & Sense! v12 and Meshlium v3.8.

If you have a Waspmote v15, Waspmote Plug & Sense! v15 or Meshlium v4.0 please go to the new Development Section.

Check what is your version and what are the differences between the old and the new one in this document.

» 802 07: Energy scan

This program shows how to scan all XBee channels in order to show the energy level of each channel

Required Materials

1 x Waspmote PRO
1 x Battery
1 x MiniUSB wire
1 x XBee-802.15.4 module

Notes

- The battery has to be connected.
- This example can be executed in Waspmote v12 and Waspmote v15

Code

/*  
 *  ------ [802_07] - energy scan  -------- 
 *  
 *  Explanation: This program shows how to scan all XBee channels
 *  in order to show the energy level of each channel
 *  
 *  Copyright (C) 2016 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:           3.0
 *  Design:            David Gascón 
 *  Implementation:    Yuri Carmona
 */
 
 #include <WaspXBee802.h>


void setup()
{ 
  // Init USB port
  USB.ON();
  USB.println(F("802_07 example"));

  // init XBee
  xbee802.ON();
}

void loop()
{ 

  // set the list of channels to scan as a Bitmap. 
  // 0xFFFF scan all possible channels
  xbee802.setScanningChannels(0xFF,0xFF); 
  
  // get the maximal energy on each scanned channel
  // The actual scan time on each channel is measured as 
  //   Time = [3000 + (2 ^ input) x 16 x 100] ms
  // Range: from 0 to 6
  xbee802.setDurationEnergyChannels(6);

  // print information
  printEnergyChannel();

}  



/*
*  printEnergyChannel 
*
*  This function prints all stored energy 
*  for each channel in units of dBm
*/
void printEnergyChannel()
{
  USB.print(F("\n\n----------------------"));
  USB.print(F("\nEnergy Scan (dBm)"));
  USB.print(F("\n----------------------"));
  
  USB.print(F("\nchannel 0x0C: "));
  USB.print(xbee802.energyChannel[0]*(-1),DEC);
  
  USB.print(F("\nchannel 0x0D: "));
  USB.print(xbee802.energyChannel[1]*(-1),DEC);
  
  USB.print(F("\nchannel 0x0E: "));
  USB.print(xbee802.energyChannel[2]*(-1),DEC);
  
  USB.print(F("\nchannel 0x0F: "));
  USB.print(xbee802.energyChannel[3]*(-1),DEC);
  
  USB.print(F("\nchannel 0x10: "));
  USB.print(xbee802.energyChannel[4]*(-1),DEC);
  
  USB.print(F("\nchannel 0x11: "));
  USB.print(xbee802.energyChannel[5]*(-1),DEC);
  
  USB.print(F("\nchannel 0x12: "));
  USB.print(xbee802.energyChannel[6]*(-1),DEC);
  
  USB.print(F("\nchannel 0x13: "));
  USB.print(xbee802.energyChannel[7]*(-1),DEC);
  
  USB.print(F("\nchannel 0x14: "));
  USB.print(xbee802.energyChannel[8]*(-1),DEC);
  
  USB.print(F("\nchannel 0x15: "));
  USB.print(xbee802.energyChannel[9]*(-1),DEC);
  
  USB.print(F("\nchannel 0x16: "));
  USB.print(xbee802.energyChannel[10]*(-1),DEC);
  
  USB.print(F("\nchannel 0x17: "));
  USB.print(xbee802.energyChannel[11]*(-1),DEC);
  
}

Output

H#
802_07 example


----------------------
Energy Scan (dBm)
----------------------
channel 0x0C: -93
channel 0x0D: -96
channel 0x0E: -85
channel 0x0F: -86
channel 0x10: -75
channel 0x11: -87
channel 0x12: -91
channel 0x13: -95
channel 0x14: -87
channel 0x15: -92
channel 0x16: -87
channel 0x17: -85
...

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