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    EEPW首頁(yè) > 嵌入式系統(tǒng) > 設(shè)計(jì)應(yīng)用 > 51單片機(jī)的LCD1602液晶密碼鎖C語(yǔ)言程序

    51單片機(jī)的LCD1602液晶密碼鎖C語(yǔ)言程序

    作者: 時(shí)間:2016-11-28 來(lái)源:網(wǎng)絡(luò) 收藏
    #include
    #include
    #define uchar unsigned char
    sbit rs=P2^0;
    sbit rw=P2^1;
    sbit en=P2^2;
    sbit psb=P2^3;
    sbit ret=P2^5;
    sbit gg=P3^7;
    uchar importcode[]={0,0,0,0,0,0};
    uchar i;
    uchar kk;
    uchar js;
    uchar j;
    uchar ecode;
    uchar bb;
    uchar tcount,second;
    uchar code key[]={0x77,0x7b,0x7d,0x7e,0xb7,0xbb,0xbd,0xbe,0xd7,0xdb,0xdd,0xde,0xe7,0xeb,0xed,0xee};
    uchar code code1[8][6]={{0,6,0,4,9,8},{3,5,1,5,6,5},{2,5,4,3,9,5},{1,4,9,8,7,0},{1,3,9,7,8,5},{1,3,8,7,5,6},{2,9,1,9,9,5},{7,1,4,7,3,8}};
    uchar code kp[]={0xf7,0xfd,0xfb,0xfe};
    void lcd_int(void);
    void functionset(void);
    void write_order(uchar command);
    void write_date(uchar date);
    void display(void);
    uchar keyy(void);
    uchar gkey(void);
    void keyc(void);
    uchar comparecode(void);
    void display(void);
    void display0(void);
    void display1(void);
    void display2(void);
    void display3(void);
    void delay(int ms);
    void clear_lcd(void);
    void dscsh(void);
    uchar keyy(void)
    { uchar key;
    P1=0xf0;
    while(P1!=0xf0);
    do{
    for(j=0;j<4;j++)
    { P1=kp[j];
    if(P1!=kp[j])
    {delay(100);
    key=P1;
    if(key!=kp[j])
    {return(key);}
    }
    }
    }while(1);
    }
    uchar gkey(void)
    {
    uchar number;
    number=keyy();
    for(j=0;j<16;j++)
    {if(number==key[j])
    return(j);
    }
    }
    void keyc(void)
    {
    uchar v;
    v=gkey();
    switch(v)
    {
    case 0:kk++;
    if(js<6)
    {importcode[js]=0;
    js++;
    if(js==1)
    {TR0=1;}
    display();}
    break;
    case 1:kk++;
    if(js<6)
    {importcode[js]=1;
    js++;
    if(js==1)
    {TR0=1;}
    display();}
    break;
    case 2:kk++;
    if(js<6)
    {importcode[js]=2;
    js++;
    if(js==1)
    {TR0=1;}
    display();}
    break;
    case 3:kk++;
    if(js<6)
    {importcode[js]=3;
    js++;
    if(js==1)
    {TR0=1;}
    display();}
    break;
    case 4:kk++;
    if(js<6)
    {importcode[js]=4;
    js++;
    if(js==1)
    {TR0=1;}
    display();}
    break;
    case 5:kk++;
    if(js<6)
    {importcode[js]=5;
    js++;
    if(js==1)
    {TR0=1;}
    display();}
    break;
    case 6:kk++;
    if(js<6)
    {importcode[js]=6;
    js++;
    if(js==1)
    {TR0=1;}
    display();}
    break;
    case 7:kk++;
    if(js<6)
    {importcode[js]=7;
    js++;
    if(js==1)
    {TR0=1;}
    display();}
    break;
    case 8:kk++;
    if(js<6)
    {importcode[js]=8;
    js++;
    if(js==1)
    {TR0=1;}
    display();}
    break;
    case 9:kk++;
    if(js<6)
    {importcode[js]=9;
    js++;
    if(js==1)
    {TR0=1;}
    display();}
    break;
    case 14:
    if(js==6)
    {js=0;
    ecode=1;}
    else
    {ecode=0;}
    break;
    case 10: clear_lcd();
    js=0;kk=0;
    gg=1;
    TR0=0;
    for(j=0;j<6;j++)
    {importcode[j]=0;}
    break;
    case 11:gg=1;
    break;
    }
    }
    uchar comparecode(void)
    {
    for(j=0;j<6;j++)
    {if(code1[i][j]==importcode[j])
    bb=1;
    else
    {bb=0;break;}
    }
    return(bb);
    }
    void delay(int ms)
    { while(--ms);}
    void dscsh(void)
    {
    TMOD=0x01;
    TH0=(65536-50000)/256;
    TL0=(65536-50000)%6;
    ET0=1;
    EA=1;
    }
    void main(void)
    {
    dscsh();
    lcd_int();
    functionset();
    while(1)
    {
    display0();
    keyc();
    if(ecode==1)
    { ecode=0;
    TR0=0;
    bb=comparecode();
    for(j=0;j<6;j++)
    {importcode[j]=0;}
    if(bb==1)
    { i++;
    if(i==8)
    {i=0;}
    kk=0;
    gg=0;
    display1();
    delay(50000);
    delay(50000);
    clear_lcd();
    gg=1;
    }
    else
    {kk=0;
    display2();
    gg=0;
    delay(50000);
    delay(50000);
    clear_lcd();
    }
    }
    }
    }

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