lpc2000 arm7的中断设定如果每次都写比较讨厌,如下的方法,可以使设置多个中断时候,比较简化
/////interrupt.h//////////////
#ifndef _INTERRUPT_H
#define _INTERRUPT_H
#include <lpc2103.h>
#define WDT 0
#define T0 4
#define T1 5
#define UART0 6
#define UART1 7
#define I2C0 9
#define SPI0 10
#define SSP 11
#define PLL 12
#define RTC 13
#define EINT0 14
#define EINT1 15
#define EINT2 16
#define ADC 18
#define I2C1 19
#define T2 26
#define T3 27
#define BASE_VIC_VECT_ADDR 0xFFFFF100
#define BASE_VIC_VECT_CNTL 0xFFFFF200
void InitInterrupt(void);
void SetInterrupt(unsigned char intSource,unsigned long irqAddr,unsigned char intPRI);
#endif
///////////////interrupt.c////////////////
#include "interrupt.h"
void InitInterrupt()
{
VICIntSelect = 0;//全部为IRQ，无FRQ
VICIntEnable = 0;
}
//参数为中断源,中断处理函数地址,中断优先级
void SetInterrupt(unsigned char intSource,unsigned long irqAddr,unsigned char intPRI)
{
(*((volatile unsigned long *) (BASE_VIC_VECT_ADDR+(intPRI<<2)))) = (unsigned long)irqAddr;//VICVectAddrn =
(*((volatile unsigned long *) (BASE_VIC_VECT_CNTL+(intPRI<<2)))) = (0x00000020|intSource);//VICVectCntln =
VICIntEnable |= (0x01<<intSource);
}
要使用T0中断
SetInterrupt(T0,(unsigned long)T0IRQ,0);
即可
要使用ADC中断
SetInterrupt(ADC,(unsigned long)ADCIRQ,1);
即可
一次预定义好,不必都去查中断号,使用起来比较方便
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