Version of Watchdog timer for LPC4088 that uses the Singleton design pattern for easy access throughout a program.
Fork of WDT4088 by
Watchdog.cpp
- Committer:
- loopsva
- Date:
- 2013-12-20
- Revision:
- 0:fc62d045ca0c
- Child:
- 1:06813ae93fea
File content as of revision 0:fc62d045ca0c:
#include "mbed.h" #include "Watchdog.h" void Watchdog::kick(int WDTseconds) { if(WDTseconds < 1) WDTseconds = 1; //minimum watchdog time is 1 sec if(WDTseconds > 134) WDTseconds = 134; //maximum watchdog time is 134 sec LPC_WDT->TC = 125000 * WDTseconds; //125000 * 8uS = 1.0 second tics LPC_WDT->MOD = 0x3; //enable and restart watchdog Watchdog::kick(); } void Watchdog::kick() { LPC_WDT->FEED = 0xaa; //kick sequence into FEED register LPC_WDT->FEED = 0x55; }