单片机电子密码锁LCD1602显示(7)

delayms(5); aa=Recstring(0xa0,1,buffer,6); delayms(10); P1=0x0f; while(1) { if(P1!=0x0f) { temp=Keys_Scan(); switch(temp) {

case 0: case 1: case 2: case 3: case 4: case 5: case 6: case 7: case 8: case 9:

if (i<=5) //密码限制在6位以内 {

Userpassword[i]=temp; DSY_BUFFER[i]='*';

Display_String(DSY_BUFFER,0xc0); i++; } break;

case 10: //按A键开锁 for(k=0;k<6;k++) { if(buffer[k]==(Userpassword[k]+48)) flag=1; else flag=0; }

if (flag==1) { flag=0; i=0;

led=0; //点亮LED clear_password();

Display_String("OPEN OK! ",0xc0); IS_valid_user = 1; j=0; } else { j++;