vic.c.bak

来自「UcosiiForLPC21xx 在ads1.2 建立的工程」· BAK 代码 · 共 37 行

#include "VIC.h"

typedef void (VICHandler)(void) ;

static void __irq IrqDefaultHandler( void )
{
   VICVectAddr = 0;
}

void  IRQOpen(uint IntID,uint prority, VICHandler IntHandler )
{ 
   uint mask;
   mask                     = 1<<IntID;
   VIC->VICIntEnClr         = mask;
   VIC->VICIntSelect       &= ~mask:
   VIC->VICVectAddr[IntID]  = IntHandler;
   VIC->VICVectCntl[IntID]  = prority | (1<<5);
   VIC->VICIntEnable        = mask;
}

void  IRQClose(uint IntID)
{
   uint mask;
   mask                    = 1<<IntID;	
   VIC->VICIntEnClr        = mask;	
   VIC->VICVectCntl[IntID] = 0;
   VIC->VICVectAddr[IntID] = IrqDefaultHandler;   	
}

void IRQSoftTriger(uint IntID)
{
   uint mask;
   mask                    = 1<<IntID;
   VIC->VICSoftInt         = mask;
}