数码管动态显示

源程序：

#include
sbit SH_CP=P2^4;
sbit ST_CP=P2^3;
sbit DS=P2^2;
unsigned char code duan[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};
unsigned char code wei[]={0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80};
void out595();
void delay(int x);
void send595(unsigned char dat);
void out595()
{
  ST_CP=0;
  ST_CP=1;
}
void send595(unsigned char dat)
{
  int i;
  for(i=0;i<8;i++)
  {
    if((dat<<i)&0x80)
      DS=1;
    else
      DS=0;
    SH_CP=0;
    SH_CP=1;
  }
}
void main()
{
  int i;
  while(1)
  {
    for(i=0;i<8;i++)
 {
   send595(wei[i]);
   send595(wei[i]);
   out595();
   send595(duan[i]);
   out595();
   delay(1000);
 }
  }
}
void delay(int x)
{
  int i,j;
  for(i=0;i
    for(j=0;j<120;j++);
}