密码锁

main.c

#include 
#include 
#include 
#include 
#include "kenscan.h"
#include "config.h"
#include "anjian.h"

sbit DX=P2^0;
sbit WX=P2^1;
sbit BEEP=P2^3;
sbit green=P2^6;
sbit red=P2^7;
unsigned char password[8]={16,16,16,16,16,16,16,16};//存放输入的按键，初始为16，不显示
u8 code key[]={'0','1','2','3','4','5','6','7','8','9','*','#'};//3*4手机拨号键盘号码
//初始密码
unsigned char admin[8]={1,9,9,8,0,4,2,2};
unsigned char code table[]={
0x3f,0x06,0x5b,0x4f,
0x66,0x6d,0x7d,0x07,
0x7f,0x6f,0x77,0x7c,
0x39,0x5e,0x79,0x71,0x00};

u8 keynum;
u8 flag=0,esc=0;//验证标志、清零标志

void led8_display()//数码管动态显示一个字符串（不超过8位）函数*/
{
    u8 i;
    u8 temp=0xfe;//位选
    unsigned char tag=0;//高位连续0标记

    //从左往右(从高位到低为)开始显示
    for(i=1;i<=8;i++)
    {
        P0=0xff;//位选消影
        WX=1;//开位选
        P0=temp;//送位选
        WX=0;//锁存位选
        temp=_crol_(temp,1);//更新位选变量

        P0=0x00; //段选消影
        DX=1;//开段选
        P0=table[password[i-1]]; //送段选
        DX=0;//锁存段选

        delay(1);
    }
}
void init()
{
   TMOD=0x01;

    //打开蜂鸣器
    EA=1;
    ET0=1;  //允许计数器T0中断
    TR0=0;
}

void anjiansound()
{
  TR0=1;    //启动计数器T0驱动蜂鸣器
  sound(keynum);
  delay(300);
  BEEP=1;  
  TR0=0;//停止定时器，关闭蜂鸣器
}

/******************密码验证********************************************/
unsigned char cmpstr(unsigned char p[],unsigned char q[])
{
    u8 j=1;
    int i;
    for(i=7;i>=0;i--)
        if(p[i]!=q[i])
        {
            j=0;
            break;
        }
    return j;
}

/******************清除输入********************************************/
void clear()
{
    unsigned char i;
    for(i=0;i<8;i++)
    password[i]=16;
    led8_display();
}


void main()
{
    unsigned char i;
    init();
    while(1){
            keynum=keyscanphone();
//          delay(300);
            if(keynum<12)
            {
                 if(keynum<10){
                    for(i=0;i<7;i++)
                    password[i]=password[i+1];//左移
                    password[7]=keynum; 
                    }
               if(keynum==10){
                    if(cmpstr(password,admin)==1)
                    {
                        green=0;
                        delay(3000);
                        green=1;
                    }
                    else
                    {
                        red=0;
                        delay(3000);
                        red=1;
                    }
                    clear();
                }
                if(keynum==11){
                    clear();
                }
                anjiansound();
            }
            led8_display();
    }
}

void Time0() interrupt 1//定时器T0中断       
{     
    TH0 = TH00;
    TL0 = TL00;
    BEEP=~BEEP;    
}