电子密码锁完整代码

#include

#include

#include

#include "VIIC_C51.h"

#define uchar unsigned char

#define uint unsigned int

#define CSI24WC02 0XA0

#define uchar unsigned char

sbit lcdrs=P2^0;

sbit lcdrw=P2^1;

sbit lcden=P2^2;

sbit alarm=P2^3;

sbit red=P2^7;

sbit green=P2^6;

sbit KEY_INT=P3^2;

//led test

sbit LED1=P3^5;

sbit LED2=P3^1;

uchar hour,min,sec,us;

uchar flag=1,canscan=0,lock=0;

uchar password[8]={0,0,0,0,0,0,0,0};

uchar input[8]={0,1,2,3,4,5,6,7};

uchar code a[]={0xF7,0xFB,0xFD,0xFE};

unsigned char DelayNS(unsigned char no) {

unsigned char i,j;

for(; no>0; no--)

{

for(i=0; i<100; i++)

for(j=0; j<100; j++);

}

return 0;

}

unsigned char delay_eep(unsigned char j) {

unsigned char k,l;

for(l=0;l<=j;l++)

for(k=0;k<=250;k++);

return 0;

}

void t0_init()

{

TMOD=0x01;

TL0=0xb0;

TH0=0x3c;

TR0=0;

EA=1;

ET0=1;

}

void delay(uchar n)

{

uchar i;

while(n--)

for(i=125;i>0;i--);

}

//lcd 写命令

void write_com(uchar com) {

lcdrs=0;

lcdrw=0;

P0=com;

delay(2);

lcden=1;

delay(2);

lcden=0;

}

//lcd 写数据

void write_data(uchar date) {

lcdrs=1;

lcdrw=0;

P0=date;

delay(2);

lcden=1;

delay(2);

lcden=0;

//lcd 的初始化

void init_lcd()

{

write_com(0x38);

write_com(0x0c);

write_com(0x06);

write_com(0x01);

}

// lcd 清屏

void clearscn()

{

write_com(0x06);

write_com(0x01);

}

//lcd 显示坐标

void gotoxy(uchar x,uchar y) {

if(x==1)

write_com(0x80+y);

if(x==2)

write_com(0xc0+y);

}

//写lcd字符串

void write_str(uchar *str) {

while(*str!='\0')

{

write_data(*str);

delay(2);

str++;

}

}

//写一位数字

void write_num(uchar num) {

write_data(0x30+num);

}

//写两位数

void write_num2(uchar num)

uchar x,y;

x=num/10;

y=num%10;

write_num(x);

write_num(y);

}

// 矩阵键盘扫描函数

uchar scan(void)

{

uchar row,col;

uchar j,m;

P1=0xF0;

if((P1&0xF0)!=0xF0)

{

delay(1);

if((P1&0xF0)!=0xF0)

col=~(P1|0x0F);

j=0;

P1=a[j];

while(j<=3)

{

if((P1&0xF0)!=0xF0)

{

row=~a[j];

break;

}

else

{j++;P1=a[j];}

}

m=row+col;

return(m);

}

else

return(0);

}

uchar coding(uchar m)

{

uchar k;

switch(m)

{

case(0x08+0x80):k=0;break;

case(0x08+0x40):k=1;break;