Cómo usar el Watchdog con tu PLC industrial

Software

Debes usar la biblioteca de Watchdog "#include <avr/wdt.h>" proporcionada por Arduino para programar tu propio Watchdog.

Funciones:

IMPORTANTE: El Watchdog del Ardbox no puede trabajar por debajo de los 500ms. No hay limitaciones para el PLC M-Duino.

A continuación encontrarás un ejemplo de cómo usarlo: el Watchdog lib

/*
   Copyright (c) 2017 Boot&Work Corp., S.L. All rights reserved

   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU Lesser 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 Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include <avr/wdt.h>

//////////////////////////////////////////////////////////////////////////////////////////////
void setup() {
	Serial.begin(9600L);
  // Set the watchdog on 500 ms 
  wdt_enable(WDTO_500MS);
}

//////////////////////////////////////////////////////////////////////////////////////////////
void loop() {
  // Refresh the watchdog
  wdt_reset();

  // WORK HERE, but faster than 500ms
  
  Serial.println("Watchdog is working if you don't see the points");
  delay(550);
  
  

  Serial.println("...");
}