interrupt.c

ES44b0开发板的LCD驱动程序

/*
 *************************************************************************
 * Copyright (c) 2003, The Lab of Embedded System and Net Security,WHUT..
 * All rights reserved. 
 *
 * Filename:    interrupt.c
 * Discription: This file concerns to basic file operations
 * 
 * version:            1.0
 * Author:             Qiu Yanfei <[e-mail]>
 * Accomplished Date:  2004/5/8 10:29:00
 *************************************************************************
*/
#include "def.h"
#include "..\cpu\44breg.h"
#include "..\cpu\44blib.h"
#include "..\uart\uart.h"


#define INT_GLOBALS
#include "interrupt.h"

static void BreakPoint(void)
{
	Uart_Printf("!!!Enter break point.I_ISPR=%x",rI_ISPR);	

	while(1) {
		Led_Display(0xf);
		Delay(1000);
		Led_Display(0x0);
		Delay(1000);
	}
}

//Initialze interrupts.
void int_init(void)
{
    rINTCON = 0x0;	            //vectored,IRQ disable,FIQ disable
    rINTMOD = 0x0;	            //All=IRQ mode 
    rINTMSK &= ~(BIT_GLOBAL);	//all irq disabled
    
    pISR_UNDEF     = (unsigned) BreakPoint;
	pISR_SWI       = (unsigned) BreakPoint;
	pISR_PABORT    = (unsigned) BreakPoint;
	pISR_DABORT    = (unsigned) BreakPoint;
//	pISR_RESERVED
//	pISR_IRQ       = (unsigned) 0;
	pISR_FIQ       = (unsigned) BreakPoint;
	pISR_ADC       = (unsigned) BreakPoint;
	pISR_RTC       = (unsigned) BreakPoint;
	pISR_UTXD1     = (unsigned) BreakPoint;
	pISR_UTXD0     = (unsigned) BreakPoint;
	pISR_SIO       = (unsigned) BreakPoint;
	pISR_IIC       = (unsigned) BreakPoint;
	pISR_URXD1     = (unsigned) BreakPoint;
	pISR_URXD0     = (unsigned) BreakPoint;
	pISR_EINT4567  = (unsigned) BreakPoint;
	pISR_WDT       = (unsigned) BreakPoint;
	pISR_TIMER3    = (unsigned) BreakPoint;
	pISR_TIMER2    = (unsigned) BreakPoint;
	pISR_TIMER1    = (unsigned) BreakPoint;
	pISR_TIMER0    = (unsigned) BreakPoint;
	pISR_UERR01    = (unsigned) BreakPoint;
	pISR_BDMA1     = (unsigned) BreakPoint;
	pISR_BDMA0     = (unsigned) BreakPoint;
	pISR_ZDMA1     = (unsigned) BreakPoint;
	pISR_ZDMA0     = (unsigned) BreakPoint;
	pISR_EINT3     = (unsigned) BreakPoint;
	pISR_EINT0     = (unsigned) BreakPoint;
	pISR_EINT1     = (unsigned) BreakPoint;
	pISR_EINT2     = (unsigned) BreakPoint;	 
} 

void int_start(void)
{
    rI_ISPC = 0x7ffffff;
	rINTMSK = ~BIT_GLOBAL;
}
        

void int_enable(U32 int_bit)
{
    rINTMSK &= ~(int_bit);    	
}

void int_disable(U32 int_bit)
{
    rINTMSK |= (int_bit);
}