具體情況如下
Build started: Project: mini1
Build target 'Target 1'
compiling mini1.c...
linking...
*** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS
SEGMENT: ?PR?DISPLAYONE?MINI1
*** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS
SEGMENT: ?PR?DISPLAYINPUT?MINI1
Program Size: data=46.5 xdata=0 code=2390
creating hex file from ".\Objects\mini1"...
".\Objects\mini1" - 0 Error(s), 2 Warning(s).
Build Time Elapsed: 00:00:01
程序如下
#include<reg51.h>
#include<intrins.h>
#define LCM_Data P0
#define uchar unsigned char
#define uint unsigned int
#define w 6
sbit lcd1602_rs=P2^5;
sbit lcd1602_rw=P2^6;
sbit lcd1602_en=P2^7;
sbit Scl=P3^4;
sbit Sda=P3^5;
sbit ALAM=P2^1;
sbit KEY=P3^6;
sbit open_led=P2^2;
bit operation=0;
bit pass=0;
bit ReInputEn=0;
bit s3_keydown=0;
bit key_disable=0;
unsigned char countt0,second;
void Delay5Ms(void);
unsigned char code a[]={0xFE,0xFD,0xFB,0xF7};
unsigned char code start_line[]={"password: "};
unsigned char code name[]={"===Coded LocK==="};
unsigned char code Correct[]={" correct "};
unsigned char code Error[]={" error "};
unsigned char code codepass[]={" pass "};
unsigned char code LockOpen[]={" open "};
unsigned char code SetNew[]={"SetNewWordEnable"};
unsigned char code Input[]={"input: "};
unsigned char code ResetOK[]={"ResetPasswordOK"};
unsigned char code initword[]={"Init password..."};
unsigned char code Er_try[]={"error,try again!"};
unsigned char code again[]={"input again "};
unsigned char InputData[6];
unsigned char CurrentPassword[6]={1,3,1,4,2,0};
unsigned char TempPassword[6];
unsigned char N=0;
unsigned char ErrorCont;
unsigned char CorrectCont;
unsigned char ReInputCont;
unsigned char code initpassword[6]={0,0,0,0,0,0};
void Delay5Ms(void)
{
unsigned int TempCyc=5552;
while(TempCyc--);
}
void Delay400Ms(void)
{
unsigned char TempCycA=5;
unsigned int TempCycB;
while(TempCycA--)
{
TempCycB=7269;
while(TempCycB--);
}
}
void mDelay(uint t)
{
uchar i;
while(t--)
{
for(i=0;i<125;i++)
{;}
}
}
void Nop(void)
{
_nop_();
_nop_();
_nop_();
_nop_();
}
void Start(void)
{
Sda=1;
Scl=1;
Nop();
Sda=0;
Nop();
}
void Stop(void)
{
Sda=0;
Scl=1;
Nop();
Sda=1;
Nop();
}
void Ack(void)
{
Sda=0;
Nop();
Scl=1;
Nop();
Scl=0;
}
void NoAck(void)
{
Sda=1;
Nop();
Scl=1;
Nop();
Scl=0;
}
void Send(uchar Data)
{
uchar BitCounter=8;
uchar temp;
do
{
temp=Data;
Scl=0;
Nop();
if((temp&0x80)==0x80)
Sda=1;
else
Sda=0;
Scl=1;
temp=Data<<1;
Data=temp;
BitCounter--;
}
while(BitCounter);
Scl=0;
}
uchar Read(void)
{
uchar temp=0;
uchar temp1=0;
uchar BitCounter=8;
Sda=1;
do{
Scl=0;
Nop();
Scl=1;
Nop();
if(Sda)
temp=temp|0x01;
else
temp=temp&0xfe;
if(BitCounter-1)
{
temp1=temp<<1;
temp=temp1;
}
BitCounter--;
}
while(BitCounter);
return(temp);
}
void WrToROM(uchar Data[],uchar Address,uchar Num)
{
uchar i;
uchar *PData;
PData=Data;
for(i=0;i<Num;i++)
{
Start();
Send(0xa0);
Ack();
Send(Address+i);
Ack();
Send(*(PData+i));
Ack();
Stop();
mDelay(20);
}
}
void RdFromROM(uchar Data[],uchar Address,uchar Num)
{
uchar i;
uchar *PData;
PData=Data;
for(i=0;i<Num;i++)
{
Start();
Send(0xa0);
Ack();
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)
{
uint x,y;
for(x=xms;x>0;x--)
for(y=110;y>0;y--);
}
void write_1602com(uchar com)
{
lcd1602_rs=0;
lcd1602_rw=0;
P0=com;
delay(1);
lcd1602_en=1;
delay(1);
lcd1602_en=0;
}
void write_1602dat(uchar dat)
{
lcd1602_rs=1;
lcd1602_rw=0;
P0=dat;
delay(1);
lcd1602_en=1;
delay(1);
lcd1602_en=0;
}
void lcd_init(void)
{
write_1602com(0x38);
write_1602com(0x0c);
write_1602com(0x06);
write_1602com(0x01);
}
unsigned char coding(unsigned char m)
{
unsigned char k;
switch(m)
{
case(0x11):k=1;break;
case(0x21):k=2;break;
case(0x41):k=3;break;
case(0x81):k='A';break;
case(0x12):k=4;break;
case(0x22):k=5;break;
case(0x42):k=6;break;
case(0x82):k='B';break;
case(0x14):k=7;break;
case(0x24):k=8;break;
case(0x44):k=9;break;
case(0x84):k='C';break;
case(0x18):k='*';break;
case(0x28):k=0;break;
case(0x48):k='#';break;
case(0x88):k='D';break;
}
return(k);
}
unsigned char keynum(void)
{
unsigned char row,col,i;
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)
{
col=~(P1&0xff);
break;
}
else
{
i++;
P1=a[i];
}
}
}
else
{
return 0;
}
while((P1&0xf0)!=0xf0);
return(row|col);
}
else return 0;
}
void OneAlam(void)
{
ALAM=0;
Delay5Ms();
ALAM=1;
}
void TwoAlam(void)
{
ALAM=0;
Delay5Ms();
ALAM=1;
Delay5Ms();
ALAM=0;
Delay5Ms();
ALAM=1;
}
void ThreeAlam(void)
{
ALAM=0;
Delay5Ms();
ALAM=1;
Delay5Ms();
ALAM=0;
Delay5Ms();
ALAM=1;
Delay5Ms();
ALAM=0;
Delay5Ms();
ALAM=1;
}
void DisplayOne(void)
{
// DisplayOneChar(9+N,1,'*')
write_1602com(yi+5+N);
write_1602dat('*');
}
void DisplayChar(void)
{
unsigned char i;
if(pass==1)
{
//DisplayListChar(0,1,LockOpen);
write_1602com(er);
for(i=0;i<16;i++)
{
write_1602dat(LockOpen[i]);
}
}
else
{
if(N==0)
{
//DisplayListChar(0,1,Error);
write_1602com(er);
for(i=0;i<16;i++)
{
write_1602dat(Error[i]);
}
}
else
{
//DisplayListChar(0,1,start_line);
write_1602com(er);
for(i=0;i<16;i++)
{
write_1602dat(start_line[i]);
}
}
}
}
void DisplayInput(void)
{
unsigned char i;
if(CorrectCont==1)
{
//DisplayListInput(0,0,Input);
write_1602com(er);
for(i=0;i<16;i++)
{
write_1602dat(Input[i]);
}
}
}
void ResetPassword(void)
{
unsigned char i;
unsigned char j;
if(pass==0)
{
pass=0;
DisplayChar();
ThreeAlam();
}
else
{
if(ReInputEn==1)
{
if(N==6)
{
ReInputCont++;
if(ReInputCont==2)
{
for(i=0;i<6;)
{
if(TempPassword[i]==InputData[i])
i++;
else
{
//DisplayListChar(0,1,Error);
write_1602com(er);
for(j=0;j<16;j++)
{
write_1602dat(Error[j]);
}
ThreeAlam();
pass=0;
ReInputEn=0;
ReInputCont=0;
DisplayChar();
break;
}
}
if(i==6)
{
//DisplayListChar(0,1,ResetOK);
write_1602com(er);
for(j=0;j<16;j++)
{
write_1602dat(ResetOK[j]);
}
TwoAlam();
WrToROM(TempPassword,0,6);
ReInputEn=0;
}
ReInputCont=0;
CorrectCont=0;
}
else
{
OneAlam();
write_1602com(er);
for(j=0;j<16;j++)
{
write_1602dat(again[j]);
}
for(i=0;i<6;i++)
{
TempPassword[i]=InputData[i];
}
}
N=0;
}
}
}
}
void Alam_KeyUnable(void)
{
P1=0x00;
{
ALAM=~ALAM;
Delay5Ms();
}
}
void Cancel(void)
{
unsigned char i;
unsigned char j;
//DisplayListChar(0,1,start_line);
write_1602com(er);
for(j=0;j<16;j++)
{
write_1602dat(start_line[j]);
}
TwoAlam();
for(i=0;i<6;i++)
{
InputData[i]=0;
}
KEY=1;
ALAM=1;
operation=0;
pass=0;
ReInputEn=0;
ErrorCont=0;
CorrectCont=0;
ReInputCont=0;
open_led=1;
s3_keydown=0;
key_disable=0;
N=0;
}
void Ensure(void)
{
unsigned char i,j;
RdFromROM(CurrentPassword,0,6);
if(N==6)
{
if(ReInputEn==0)
{
for(i=0;i<6;)
{
if(CurrentPassword[i]==InputData[i])
{
i++;
}
else
{
ErrorCont++;
if(ErrorCont==3)
{
write_1602com(er);
for(i=0;i<16;i++)
{
write_1602dat(Error[i]);
}
do
Alam_KeyUnable();
while(1);
}
else
{
TR0=1;
key_disable=1;
pass=0;
break;
}
}
}
if(i==6)
{
CorrectCont++;
if(CorrectCont==1)
{
//DisplayListChar(0,1,LockOPen);
write_1602com(er);
for(j=0;j<16;j++)
{
write_1602dat(LockOpen[j]);
}
TwoAlam();
KEY=0;
pass=1;
TR0=1;
open_led=0;
for(j=0;j<6;j++)
{
InputData[i]=0;
}
}
else
{
write_1602com(er);
for(j=0;j<16;j++)
{
write_1602dat(SetNew[j]);
}
TwoAlam();
ReInputEn=1;
CorrectCont=0;
}
}
else
{
if((InputData[0]==1)&&(InputData[1]==3)&&(InputData[2]==1)&&(InputData[3]==4)&&(InputData[4]==2)&&(InputData[5]==0))
{
WrToROM(initpassword,0,6);
//DisplayListChar(0,1,initword);
write_1602com(er);
for(j=0;j<16;j++)
{
write_1602dat(initword[j]);
}
TwoAlam();
Delay400Ms();
TwoAlam();
N=0;
}
else
{
//DisplayListChar(0,1,Error);
write_1602com(er);
for(j=0;j<16;j++)
{
write_1602dat(Error[j]);
}
ThreeAlam();
pass=0;
}
}
}
else
{
//DisplayListChar(0,1,Er_try);
write_1602com(er);
for(j=0;j<16;j++)
{
write_1602dat(Er_try[j]);
}
ThreeAlam();
}
}
else
{
write_1602com(er);
for(j=0;j<16;j++);
{
write_1602dat(Error[j]);
}
ThreeAlam();
pass=0;
}
N=0;
operation=1;
}
void main(void)
{
unsigned char KEY,NUM;
unsigned char i,j;
P1=0xFF;
TMOD=0x11;
TL0=0xB0;
TH0=0x3C;
EA=1;
ET0=1;
TR0=0;
Delay400Ms();
lcd_init();
write_1602com(yi);
for(i=0;i<16;i++)
{
write_1602dat(name[i]);
}
write_1602com(er);
for(i=0;i<16;i++)
{
write_1602dat(start_line[i]);
}
write_1602com(er+9);
write_1602com(0x0f);
Delay5Ms();
N=0;
while(1)
{
if(key_disable==1)
Alam_KeyUnable();
else
ALAM=1;
KEY=keynum();
if(KEY!=0)
{
if(key_disable==1)
{
second=0;
}
else
{
NUM=coding(KEY);
{
switch(NUM)
{
case('A'): ; break;
case('B'): ; break;
case('C'): ; break;
case('D'): ResetPassword(); break;
case('*'): Cancel(); break;
case('#'): Ensure(); break;
default:
{
write_1602com(er);
for(i=0;i<16;i++)
{
write_1602dat(Input[i]);
}
operation=0;
if(N<6)
{
OneAlam();
//DisplayOneChar(6+N,1,'*');
for(j=0;j<=N;j++)
{
write_1602com(er+6+j);
write_1602dat('*');
}
InputData[N]=NUM;
N++;
}
else
{
N=6;
break;
}
}
}
}
}
}
}
}
void time0_int(void) interrupt 1
{
TL0=0xB0;
TH0=0x3C;
countt0++;
if(countt0==20)
{
countt0=0;
second++;
if(pass==1)
{
if(second==1)
{
open_led=1;
TR0=0;
TL0=0xB0;
TH0=0x3C;
second=0;
}
}
else
{
if(second==3)
{
TR0=0;
second=0;
key_disable=0;
s3_keydown=0;
TL0=0xB0;
TH0=0x3C;
}
else
TR0=1;
}
}
}
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