int.c

将s3c2410作为usb设备

#include "smdk2410.h"
#include "Uart.h"
#include "Public.h"
#include "Int.h"
#include "UsbAddr.h"

void IrqInit()
{
	/*
	//LBT
	rSRCPND = rSRCPND | 0x1<<25;
	rINTMOD = 0x0;
	rINTMSK = rINTMSK & ~(0x1<<25);
	rINTPND = rINTPND | 0x1<<25;
	*/
	//MY
	rINTMSK&=(~(0x1<<25));			//不屏蔽INT_USBD
	rINTMOD&=(~(0x1<<25));			//设置INT_USBD为IRQ中断类型
	
	rSRCPND|=(0x1<<25);
	rINTPND|=(0x1<<25);	
	return;	
}

/*
void IrqHandler()
{
	
	UPrint("intrrupt.......\r\n");
	vpEINTPEND = vpEINTPEND|0x1;
	vSRCPND	=vSRCPND|0x1;	
	vINTPND	=vINTPND|0x1;	

}

// GPFCON
	ldr		r0, =0x56000050
	mov		r1,#0X22
	str		r1,[r0]
//SRCPND
	ldr		r0, =0x4A000000
	ldr		r1, [r0]
	orr		r1, r1,#0x25
	str		r1,[r0]
//INTMOD
	ldr		r0, =0X4A000004
	ldr		r1, [r0]
	bic		r1, r1,#0x12
	str		r1,[r0]
//INTMSK
	ldr		r0, =0X4A000008
	ldr		r1, =0XFFFFFFDA
	str		r1,[r0]
//INTPND
	ldr		r0, =0X4A000010
	ldr		r1, [r0]
	orr		r1, r1,#0x25
	str		r1,[r0]
//CPSR
	mrs		r0, cpsr
	bic		r0, r0,#0x80
	msr		cpsr_c,r0


*/