基于单片机数码管电子钟设计-毕设资料

1480下载地址 https://docs.qq.com/doc/DWEpnR2pOWU91b3p4?pub=1&dver=2.1.0

 

//#include <reg51.h>
//# include <absacc.h>
# include <STC12C5A60S2.h>
# define uchar unsigned char 
# define uint unsigned int 
# define uint32 unsigned long int
# define sint32 signed long int
# define vtim1	50000   //定时50ms，一帧8*50=40ms,频率=40Hz
# define vtim2	2500   //定时2.5ms，一帧8*2.5=20ms,频率=50Hz
//# define vt		DBYTE[0x21^0]
# define vt		((unsigned char volatile data  *) 0)[0x21^0]
//sbit	vt=0xe8;

//数码管位选循环变量
uchar	wi=0;
//共阴数码管段码表
uchar code distable[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71,0X40,0x00,0x31};
//位选码表
uchar  code numi[]={0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80};
//显示缓存
uchar V_ram[]={0x01,0x02,0x10,0x03,0x04,0x10,0x05,0x06};
sbit p32=P3^2;
sbit p33=P3^3;
uchar   i=0;
uchar   	j=0,k=0,ss=0;
uchar   x=0;
uchar   key_num=0xff;

void main()
{
  vt=1;
  vt=0;
  vt=1;
  IT0=0;
  IT1=0;
  EA=1;
  ET0=1;