数据驱动、坚持为客户提供有价值的服务和内容
#include "reg52.h"
#include "intrins.h"
#define uint unsigned int
#define uchar unsigned char
uchar code table[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};
sbit L4=P2^3;
sbit L3=P2^2;