问题:单片机点阵程序在单片机上无任何现象
代码:#include <reg52.h>
sbit SRCLK=P3^6;
sbit rCLK=P3^5;
sbit SER=P3^4;
#define LEDDZ P0
int ghc595[8]={0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80};
void delay(int a)
{
while(a--);
}
void hc595(int dat)
{
int i=0;
for(i=0;i<8;i++)
{
SER=dat>>7;
dat<<=1;
SRCLK=0;
delay(10);
SRCLK=1;
delay(10);
}
rCLK=0;
delay(10);
rCLK=1;
}
void main()
{
int i=0;
LEDDZ=0x00;
while(1)
{
for(i=0;i<8;i++)
{
hc595(0x00);
hc595(ghc595[i]);
delay(50000);
}
}
}