红外遥控密码锁讲解

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红外遥控锁元件清单

附录2

/********************************************************************** 红外遥控锁全部程序

***********************************************************************/

#include

#define uint unsigned int #define uchar unsigned char uchar code table[16] = {0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};

uchar code table1[]={0x80,0x40,0x20,0x10}; uchar code table2[]={0x10,0x20,0x40,0x80};

sbit P2_0=P2^0; sbit P0_0=P0^0; sbit P0_1=P0^1; sbit P0_2=P0^2;

uchar htime;//红外时间变量

uchar startflag;//红外数据开始提取变量 uchar hdata[33];//红外数据的数组 uchar bytenumber; uchar endflag; uchar date[4];

uchar hp; uchar disp[8]; void delay1(uint a) {while(a--); }

void delay(uint del) {uint i,j;

for(i=0;i

void time0_init() {TMOD=0x02; TH0=0x00; TL0=0x00; EA=1; ET0=1; TR0=1; }

void int1init() {EA=1; EX1=1; IT1=1; }

//红外数据提取函数 void hpros() {uchar k=1,i,j; uchar value; for(j=0;j<4;j++) {

for(i=0;i<8;i++) { value=value>>1; if(hdata[k]>6) {value=value|0x80; } k++; }

date[j]=value; }

hp=1; }

//红外数据处理函数 void hchuli()

{disp[0]=date[0]/16; disp[1]=date[0];

disp[2]=date[1]/16; disp[3]=date[1]; disp[4]=date[2]/16; disp[5]=date[2]; disp[6]=date[3]/16; disp[7]=date[3]; }

//蜂鸣器发声和Led亮 void BEEP() {uchar m=20; P0_0=0; while(m--) {P2_0=1; delay(1); P2_0=0; delay(1); }

P0_0=1; }

void main()

{uint i=0,k,flag=0,b=0,d=0,FLAG=1,rflag=1,RFLAG=1,alarm=0,G=0,g=0,rag=0; uchar key[8]={4,5,4,6,4,7,4,4},key1[8],key2[8]={4,0,4,3,0,7,1,5};//电控锁密码数组为key,key2为正转和反转，key1为转载红外数据的数组 time0_init(); int1init(); while(1)

{ if(endflag) {hpros(); endflag=0; } if(hp)

{hchuli(); hp=0;

flag=1;//按键按下蜂鸣器发声和led亮的标志 }

//电控锁复位标志

if((disp[4]==1)&&(disp[5]==6)) {uchar a;

for(a=0;a<8;a++) {key1[a]=0;} FLAG=1; rflag=1; alarm=0; RFLAG=1;

i=0; } if(flag)

{BEEP();

key1[i]=disp[4]; key1[i+1]=disp[5]; i=i+2; flag=0; rag=1; alarm++; if(i==8) {i=0;} }

//修改密码

if((disp[4]==1)&&(disp[5]==9)) { uchar a;

for(a=0;a<8;a++) {key1[a]=0;} RFLAG=0; i=0; }

//进入修改密码的具体的实现 if(RFLAG==0) {

//确认要修改的密码的原密码

if((key[0]==key1[0])&&(key[1]==key1[1])&&(key[2]==key1[2])&&(key[3]==key1[3])&&(key[4]==key1[4])&&(key[5]==key1[5])&&(key[6]==key1[6])&&(key[7]==key1[7]))

{uint H; G=1;

for(H=0;H<10;H++) { P0_1=0; delay(20); P0_1=1; delay(20); }

for(H=0;H<8;H++) {key1[H]=0;} i=0; rag=0; }

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