watchdog.h

00001 /*
00002 *           Using code Simon Ford written in his example
00003 *           to implement WDT. 
00004 *           It can run in seconds, milliseconds, and microseconds. 
00005 *           All there is to do, is keep feeding the watchdog. 
00006 */
00007 
00008 #ifndef WATCHDOG_H
00009 #define WATCHDOG_H
00010 
00011 #include "mbed.h"
00012 
00013 /** Watchdog timer implementation (in seconds) */
00014 class WatchDog {
00015 public: 
00016     /** Creates Watchdog timer
00017     * 
00018     * @param Sets the WDT in seconds
00019     */
00020     WatchDog(float s);
00021     
00022     /** Keep feeding the watchdog in routine
00023     *
00024     * xxx.feed(); does the trick
00025     */
00026     void feed();
00027 };
00028 /** Watchdog timer implementation (in milliseconds) */
00029 class WatchDog_ms {
00030 public: 
00031     /** Creates Watchdog timer
00032     * 
00033     * @param Sets the WDT in milliseconds
00034     */
00035     WatchDog_ms(int ms);
00036     /** Keep feeding the watchdog in routine
00037     *
00038     * xxx.feed(); does the trick
00039     */
00040     void feed();
00041 };
00042 /** Watchdog timer implementation (in microseconds) */
00043 class WatchDog_us {
00044 public:
00045     /** Creates Watchdog timer
00046     * 
00047     * @param Sets the WDT in microseconds
00048     */
00049     WatchDog_us(int us);
00050     /** Keep feeding the watchdog in routine
00051     *
00052     * xxx.feed(); does the trick
00053     */    
00054     void feed();
00055 };
00056 
00057 #endif
00058