text1.c

本文件包含了使用C语言编写单片机的各种入门程序

#include<reg51.h>
sbit sda=P0^2
sbit scl=P0^3

code char led[16]={0x11,0xD7,0x32,0x92, /* 0 1 2 3 4 */
                   0xD4,0x98,0x18,0xD3,0x10,0x90, /* 5 6 7 8 9 */
                   0x50,0x1C,0x39,0x16,0x38,0x78};/* A B C D E F*/
int hour,munite,second;

shift(int t)
{ int i,ledbulf;
  ledbulf=led[t];
  scl=0;