51 单片机闹钟C代码

#include <reg51.h>
sbit key1=P1^1;
sbit key4=P1^2;
sbit key5=P1^3;
sbit irIn=P3^3;
typedef unsigned char uint8;
typedef   char int8;
typedef unsigned short uint16;
/****************?¦Ì¨ª3¡Á¡ä¨¬??¡§¨°?*****************/
#define NOMAR  0 //??¨º??y3¡ê¨º¡À??
#define MDFTIME 1 //DT??¨º¡À??
#define MDFCLK 2 //¨¦¨¨?????¨®
#define CLOCK 3 //???¨®?¨¬
uint8 sysStat=NOMAR;
uint8 mdfPlace=0;
bit clkOn=0; //???¨®?a??¡Á¡ä¨¬??a?¡ã1??¡À
bit bitOff=0;
/****************o¡¥¨ºy¨¦¨º?¡Â*****************/
void flashNum();
void irReceive();
void disTime();
void dellWithIr();
/************???¨®?¨¹?¨¬?¨®?¨²***************/
#define KEYPORT P1
sbit IRIN=P3^3;
sbit LED=P1^0;
/************12????¨ºy??1¨¹?????¨¤1?***************/
#define Shap P2
#define NumOn(n) P0=P0&~(0x01<<n)
#define NumOff(n) P0=P0|(0x01<<n)

#define MASK 16 //"¨ºy??1¨¹2???¨º?"¡ä¨²??
uint8 code table[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,
0x80,0x90,0x88,0x83,0xc6,0xa1,0x86,0x8e,0xff};
/*********************?o¡ä?************************/
uint8 disBuf[4]={9,0,0,13}; //??¡ä?
uint8 time[3]={0,0,0};
uint8 clkTime[2]={0,0};
uint8 irBuf[4]; //o¨¬¨ªa?o¡ä?
uint8 uartData;
bit irNew=0,irReSend=0,oldEA;
volatile bit disFlash=0,irClk=0,timeFlush=0;
void uartInit()
{
ES=1;
REN=1;
SM0=0;
SM1=1;
SM2=1;
PCON |= 0x80;
TMOD &= 0X0F;
TMOD |= 0x20;
TH1=TL1= 0x100-(11059200/12/16/9600);
TR1=1;
}
main()
{
P1=0XFF;
IT0=1;
ET0=1;
EA=1;