pcf8563.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<reg52.h>
#include<intrins.h>

#define uchar unsigned char

code uchar led[]={0x11,0xd7,0x32,0x92,0xd4,0x98,0x18,0xd3,0x10,0x90	,0xff};

sbit sda_pcf8563=P0^7;
sbit scl_pcf8563=P0^6;
sbit sda_164=P0^2;
sbit scl_164=P0^3;


delay(int k)
{
 int l;
 for(;k>0;k--)
 for(l=0;l<200;l++);
 }