基于单片机的电子密码锁

}

}

}

temp=temp&0xf0;

P3=0xfd; //扫描第二行 temp=P3&0xf0; if(temp!=0xf0) {

delay_1(10); temp=P3; temp=temp&0xf0; if(temp!=0xf0) {

count++; temp=P3; switch(temp) { }

case 0xed: keydate4();break;//4 case 0xdd: keydate5();break;//5 case 0xbd: keydate6();break;//6 case 0x7d:count--;break;

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}

}

while(temp!=0xf0) { }

temp=P3; temp=temp&0xf0;

P3=0xfb; //扫描第三行 temp=P3&0xf0; if(temp!=0xf0) {

delay_1(10); temp=P3; temp=temp&0xf0; if(temp!=0xf0) {

count++; temp=P3; switch(temp) {

case 0xeb: keydate1();break;//1 case 0xdb: keydate2();break;//2

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}

}

}

case 0xbb: keydate3();break;//3 case 0x7b: tuige();break;//删除前一位

while(temp!=0xf0) { }

temp=P3; temp=temp&0xf0;

P3=0xf7; //扫描第四行 temp=P3&0xf0; if(temp!=0xf0) {

delay_1(10); temp=P3; temp=temp&0xf0; if(temp!=0xf0) {

count++; temp=P3; switch(temp)

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}

}

}

{ }

while(temp!=0xf0) { }

temp=P3; temp=temp&0xf0;

case 0xe7: sure();break;//1 case 0xd7:keydate0();break;//2 case 0xb7:count--;a=1;break; case 0x77: close();break;//复位

void setpw() { }

void compare() {

uchari; keyscan();

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