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.

» Int 08: Accelerometer interrupt with No Sleep mode

This example shows how to manage Accelerometer Interruption without setting any low-power consumption state

Required Materials

1 x Waspmote
1 x MiniUSB wire
1 x Battery

Notes

This example can be executed in Waspmote v12

Code

/*
 *  ------ [INT_08] Accelerometer interrupt with No Sleep mode example -------- 
 *
 *  Explanation: This example shows how to manage Accelerometer 
 *  Interruption without setting any low-power consumption state
 *
 *  Copyright (C) 2013 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:         Yuri Carmona
 */


void setup()
{

  USB.ON();
  USB.println(F("INT_09 example"));

  ///////////////////////////////////////////////
  // 1. Starts accelerometer
  ///////////////////////////////////////////////
  ACC.ON();

  ///////////////////////////////////////////////
  // 2. Enable interruption: ACC Free Fall interruption 
  ///////////////////////////////////////////////
  ACC.setFF(); 
}


void loop()
{
  ///////////////////////////////////////////////
  // 3. Check the interruption flag 
  ///////////////////////////////////////////////
  if( intFlag & ACC_INT ) 
  { 
    // Disable interruption: ACC Free Fall interrupt 
    ACC.unsetFF(); 

    USB.ON();
    USB.println(F("++++++++++++++++++++++++++++++++++"));
    USB.println(F("++ Free Fall interrupt detected ++"));
    USB.println(F("++++++++++++++++++++++++++++++++++")); 
    USB.println();
    
    // Enable interruption: ACC Free Fall interruption    
    ACC.setFF(); 
  }

  ///////////////////////////////////////////////////////////////////////
  // 4. Clear 'intFlag' 
  ///////////////////////////////////////////////////////////////////////
  // This is mandatory, if not this interruption will not be deleted and 
  // Waspmote could think in the future that a not existing interruption arrived
  clearIntFlag(); 

  ///////////////////////////////////////////////////////////////////////
  // 5. Clear interruption pin   
  ///////////////////////////////////////////////////////////////////////
  // This function is used to make sure the interruption pin is cleared
  // if a non-captured interruption has been produced
  PWR.clearInterruptionPin();

}

Output

E#
INT_09 example
++++++++++++++++++++++++++++++++++
++ Free Fall interrupt detected ++
++++++++++++++++++++++++++++++++++

++++++++++++++++++++++++++++++++++
++ Free Fall interrupt detected ++
++++++++++++++++++++++++++++++++++

++++++++++++++++++++++++++++++++++
++ Free Fall interrupt detected ++
++++++++++++++++++++++++++++++++++

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