interrupts.c

来自「analog device vdsp watch dog timer tutor」· C语言 代码 · 共 20 行

#include "..\BF561_Watchdog.h"

EX_INTERRUPT_HANDLER(WDOGA_ISR)
{
	*pFIO2_FLAG_T = TOGGLE_LOWER;		// toggle LEDs 13-20
	*pWDOGA_CTL = DISABLE_WDOG;			// disable watchdog
	*pWDOGA_CTL |= WDOG_EXPIRED_BIT;	// clear IRQ
	*pWDOGA_CNT = TWO_SECOND_WDOG;		// set WDOG Count for 2 seconds
	*pWDOGA_CTL = ENABLE_GPI;			// re-enable WDOG for GPI
} // end WDOG ISR

EX_INTERRUPT_HANDLER(PFA_ISR)
{
	*pFIO0_FLAG_C = 0x0060;	// Acknowledge Flag Interrupt (Both PF5&6)
	
	*pWDOGA_STAT = 0xBEEF;	// Write any value to WDOG STAT to hold off interrupt
	ssync();
} // end PFA ISR