1.c

此中含有单片机开发实例

#include <AT89X51.H> 

unsigned char code table[]={0x3f,0x06,0x5b,0x4f,0x66, 

                            0x6d,0x7d,0x07,0x7f,0x6f}; 

unsigned char dispcount; 

  

void delay02s(void) 

{ 

  unsigned char i,j,k; 

  for(i=20;i>0;i--) 

  for(j=20;j>0;j--) 

  for(k=248;k>0;k--); 

} 

  

void main(void) 

{ 

  while(1) 

    { 

      for(dispcount=0;dispcount<10;dispcount++) 

        { 

          P0=table[dispcount]; 

          delay02s(); 

        } 

    } 

}