电子密码锁控制电路设计-毕业设计(6)

void RdFromROM(uchar Data[],uchar Address,uchar Num) {

uchar i; uchar *PData; PData=Data; for(i=0;i

Send(Address+i); Ack(); Start(); Send(0xa1); Ack();

*(PData+i)=Read(); Scl=0; NoAck(); Stop(); } }

#define yi 0x80 #define er 0x80+0x40 void delay(uint xms) { }

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uint x,y;

for(x=xms;x>0;x--) for(y=110;y>0;y--);

write_1602com(uchar com) {

lcd1602_rs=0; lcd1602_rw=0; P0=com; delay(1); lcd1602_en=1; delay(1); lcd1602_en=0;

}

write_1602dat(uchar dat) { }

void lcd_init(void) { }

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lcd1602_rs=1; lcd1602_rw=0; P0=dat; delay(1); lcd1602_en=1; delay(1); lcd1602_en=0;

write_1602com(0x38); write_1602com(0x0c); write_1602com(0x06); write_1602com(0x01);

unsigned char coding(unsigned char m) { }

unsigned char k;

switch(m) { }

return(k);

case (0x18): k=1;break; case (0x28): k=2;break; case (0x48): k=3;break; case (0x88): k='A';break; case (0x14): k=4;break; case (0x24): k=5;break; case (0x44): k=6;break; case (0x84): k='B';break; case (0x12): k=7;break; case (0x22): k=8;break; case (0x42): k=9;break; case (0x82): k='C';break; case (0x11): k='*';break; case (0x21): k=0;break; case (0x41): k='#';break; case (0x81): k='D';break;

unsigned char keynum(void) {

unsigned char row,col,i;

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P1=0xf0;

if((P1&0xf0)!=0xf0) {

Delay5Ms();

Delay5Ms();

if((P1&0xf0)!=0xf0) {

row=P1^0xf0; i=0;

P1=a[i]; while(i<4) { }

if((P1&0xf0)!=0xf0) { } else { }

i++; P1=a[i];

col=~(P1&0xff); break;

}

else { }

return 0;

while((P1&0xf0)!=0xf0);

return (row|col);

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}

else return 0; }

void ResetPassword(void) {

unsigned char i; unsigned char j;

if(pass==0) { } else {

pass=0;

DisplayChar(); Alam(4);

if(ReInputEn==1) {

if(N==4) {

ReInputCont++;

if(ReInputCont==2) {

for(i=0;i<4;) {

if(TempPassword[i]==InputData[i])

i++;

else {

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