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 01: Watchdog timer interrupt

This example shows how to set the watchdog timer interrupt.

Required Materials

1 x Waspmote
1 x MiniUSB wire
1 x Battery

Notes

This example can be executed in Waspmote v12

Code

/*  
 *  ------ [Int_1] Waspmote watchdog timer interrupt example -------- 
 *  
 *  Explanation: This example shows how to set the watchdog timer interrupt
 *  
 *  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:           0.2
 *  Design:            Marcos Yarza
 *  Implementation:    Marcos Yarza
 */
 
void setup()
{  
  // open serial port
  USB.ON();
  
  // print message
  USB.println(F("Waspmote watchdog timer interrupt example"));
  
}

void loop()
{
  // Go to sleep disconnecting all the switches and modules
  // After 8 seconds, Waspmote wakes up thanks to internal watchdog
  PWR.setWatchdog(WTD_ON,WTD_8S);
  
  PWR.sleep(ALL_OFF);
  
  if( intFlag & WTD_INT )
  {
      // blink LEDs
      Utils.blinkLEDs(1000);
      Utils.blinkLEDs(1000);
      Utils.blinkLEDs(1000);
      
      // print info
      USB.ON();
      USB.println(F("++++++++++++++++++++++++++++++++"));
      USB.println(F("++ Wachdog interrupt detected ++"));
      USB.println(F("++++++++++++++++++++++++++++++++")); 
      
      USB.print("intArray[WTD_POS]:");
      USB.println(intArray[WTD_POS],DEC);
      USB.print("intCounter:");
      USB.println(intCounter,DEC);
      USB.println();
      
      // clear flags
      if(intArray[WTD_POS]==1) intFlag &= ~(WTD_INT);
      intCounter--;
      intArray[WTD_POS]--;
  }

}

Output

E#
Waspmote watchdog timer interrupt example
++++++++++++++++++++++++++++++++
++ Wachdog interrupt detected ++
++++++++++++++++++++++++++++++++
intArray[WTD_POS]:1
intCounter:1

++++++++++++++++++++++++++++++++
++ Wachdog interrupt detected ++
++++++++++++++++++++++++++++++++
intArray[WTD_POS]:1
intCounter:1

...

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