initialization.c

来自「analog device vdsp watch dog timer tutor」· C语言 代码 · 共 28 行

#include "..\BF561_Watchdog.h"

void Setup_Flags()
{
	*pFIO2_DIR = TOGGLE_ALL;	// Activate LEDs On EZ-KIT For Access

	*pFIO0_INEN = 0x01E0;		// PF5-8 input enable
	*pFIO0_EDGE = 0x01E0;		// PF5-8 edge sensitive
	*pFIO0_MASKA_D = 0x0060;	// PF5-6 Interrupt A
	*pFIO0_MASKB_D = 0x0180;	// PF7-8 Interrupt B
}

void Setup_Interrupts()
{
	register_handler(ik_ivg13, WDOGA_ISR);	// IVG13 is default watchdog vector
	register_handler(ik_ivg11, PFA_ISR);	// IVG11 is default PFA0 vector
	*pSICA_IMASK1 |= 0x08008000;			// Watchdog (Bit 59) and PFA0 (Bit 47)
}

void Setup_Watchdog()
{
	*pWDOGA_CNT = TWO_SECOND_WDOG;			// set WDOG Count for 2 second IRQ

	// writing 0s to TMR_EN[11:4] will enable the watchdog
	// writing ENABLE_GPI (0x4) will enable the PF interrupt in ICTL[2:1]
	*pWDOGA_CTL = ENABLE_GPI;
}