|
#include <reg52.h>
sbit led0=P0^0;
void main()
{
uchar i;
EA=1; //總中斷開關(guān)
EX0=1; //開外部中斷0
IT0=0/1; //設(shè)置觸發(fā)方式 低電平/下降沿
while(1)
{
for(i=0;i<10;i++)
{
p1=smg_du[];
delay_50ms(10);
}
}
}
void int0 () interrupt 0
{
led0=0;
delay_50ms(20);
led0=1;
do any thing that you want
}
|
|