interrupts.c

analog device vdsp watch dog timer tutorial.

#include "..\BF561_Watchdog.h"

EX_INTERRUPT_HANDLER(WDOGB_ISR)
{
	*pFIO2_FLAG_T = TOGGLE_UPPER;		// toggle LEDs 5-12
	*pWDOGB_CTL = DISABLE_WDOG;			// disable watchdog
	*pWDOGB_CTL |= WDOG_EXPIRED_BIT;	// clear IRQ
	*pWDOGB_CNT = TWO_SECOND_WDOG;		// set WDOG Count for 2 second IRQ
	*pWDOGB_CTL = ENABLE_GPI;			// re-enable WDOG for GP Interrupt
} // end WDOG ISR

EX_INTERRUPT_HANDLER(PFB_ISR)
{
	*pFIO0_FLAG_C = 0x0180;	// Acknowledge Flag Interrupt (Any of PF7&8)
	
	*pWDOGB_STAT = 0xBEEF;	// Write any value to WDOG STAT to hold off interrupt
	ssync();
} // end PFB ISR