藍橋杯省賽第十屆模擬題
2020-10-15 14:00:23
main.c
#include<stc15f2k60s2.h>
#include<iic.h>
#include<intrins.h>
#define uchar unsigned char
#define uint unsigned int
uchar code duan[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0xbf,0xff,0xc0,0x8c,0x86,0xc8,0xc6};
uchar disbuf[]={11,11,11,11,11,11,11,11};//10111111
uchar password[]={8,8,8,8,8,8,8};
uchar intword[]={8,8,8,8,8,8,8};
uchar keyvalue=20;
uchar word;
uchar wait_time=1;
uchar run=1;
bit output=0;
bit wait=1;
uchar t1,t2;
void delay1ms(uchar q)//延時函數
{
uchar m;
uchar i, j;
for(m=0;m<q;m++)
{
_nop_();
_nop_();
_nop_();
i = 11;
j = 190;
do
{
while (--j);
} while (--i);
}
}
void display()//數碼管顯示
{
uchar i;
for(i=0;i<=7;i++)
{
P2=(P2&0x1f)|0xc0;
P0=0x01<<i;
P2=P2&0x1f;
P2=(P2&0x1f)|0xe0;
P0=duan[disbuf[i]];
P2=P2&0x1f;
delay1ms(1);
P2=(P2&0x1f)|0xe0;
P0=0xff;
P2=P2&0x1f;
}
}
void init0all() //初始化函數
{
P2=(P2&0x1f)|0xa0;
P0=0x00;
P2=P2&0x1f;
P2=(P2&0x1f)|0x80;
P0=0xff;
P2=P2&0x1f;
disbuf[0]=11;
disbuf[1]=11;
disbuf[2]=11;
disbuf[3]=11;
disbuf[4]=11;
disbuf[5]=11;
disbuf[6]=11;
disbuf[7]=11;
display();
}
void key16()
{
keyvalue=20;
P3=0x0f,P42=0,P44=0;
while(wait_time==1)
{
ET0=1;
EA=1;
if(P3!=0x0f)
{
wait=0;
ET0=0;
EA=0;
wait_time=0;
t1=0;
t2=0;
}
}
wait_time=1;
if(P3!=0x0f)
{
if(P3==0x07)
{
keyvalue=4;
}
if(P3==0x0b)
{
keyvalue=5;
}
if(P3==0x0d)
{
keyvalue=6;
}
if(P3==0x0e)
{
keyvalue=7;
}
}
P3=0xf0,P42=1,P44=1;
if(P3!=0xf0||P42!=1||P44!=1)
{
if(P44==0)
{
keyvalue=keyvalue;
}
if(P42==0)
{
keyvalue=keyvalue+4;
}
if(P3==0xd0)
{
keyvalue=keyvalue+8;
}
if(P3==0xe0)
{
keyvalue=keyvalue+12;
}
}
while(P3!=0xf0||P42!=1||P44!=1);
}
uchar getword()
{
switch(keyvalue)
{
case 7:word=0;break;
case 11:word=1;break;
case 15:word=2;break;
case 19:word=3;break;
case 6:word=4;break;
case 10:word=5;break;
case 14:word=6;break;
case 18:word=7;break;
case 5:word=8;break;
case 9:word=9;break;
}
return word;
}
void inputkey()
{
int i;
disbuf[0]=10;
disbuf[1]=11;
disbuf[2]=11;
display();
for(i=0;i<6;i++)
{
if(i==5)
{
run=0;
key16();
if(keyvalue==8)
{
disbuf[7]=11;
disbuf[6]=11;
disbuf[5]=11;
disbuf[4]=11;
disbuf[3]=11;
i=-1;
run=1;
}
intword[5] =getword();
}
if(run==1)
{
key16();
if(i==1)
{
disbuf[6]=disbuf[7];
}
if(i==2)
{
disbuf[5]=disbuf[6];
disbuf[6]=disbuf[7];
}
if(i==3)
{
disbuf[4]=disbuf[5];
disbuf[5]=disbuf[6];
disbuf[6]=disbuf[7];
}
if(i==4)
{
disbuf[3]=disbuf[4];
disbuf[4]=disbuf[5];
disbuf[5]=disbuf[6];
disbuf[6]=disbuf[7];
}
disbuf[7]=getword();
intword[i]=getword();
display();
if(keyvalue==8)
{
i=-1;
disbuf[7]=11;
disbuf[6]=11;
disbuf[5]=11;
disbuf[4]=11;
disbuf[3]=11;
}
}
}
run=1;
}
void write_key()
{
uchar i;
for(i=0;i<6;i++)
{
write_eeprom(0x02,password[i]);
}
}
void changekey()
{
uchar i;
disbuf[0]=16;
disbuf[1]=11;
disbuf[2]=11;
display();
for(i=0;i<6;i++)
{
if(i==5)
{
run=0;
key16();
password[5]=getword();
delay1ms(2);
}
if(run==1)
{
key16();
if(i==1)
{
disbuf[6]=disbuf[7];
}
if(i==2)
{
disbuf[5]=disbuf[6];
disbuf[6]=disbuf[7];
}
if(i==3)
{
disbuf[4]=disbuf[5];
disbuf[5]=disbuf[6];
disbuf[6]=disbuf[7];
}
if(i==4)
{
disbuf[3]=disbuf[4];
disbuf[4]=disbuf[5];
disbuf[5]=disbuf[6];
disbuf[6]=disbuf[7];
}
disbuf[7]=getword();
password[i]=getword();
display();
}
}
run=1;
write_key();
}
void init_time0()
{
AUXR |= 0x80; //定時器時鐘1T模式
TMOD &= 0xF0; //設定定時器模式
TL0 = 0xCD; //設定定時初值
TH0 = 0xD4; //設定定時初值
TF0 = 0; //清除TF0標誌
TR0 = 1; //定時器0開始計時
//ET0 = 1;
//EA=1;
}
void do_time0() interrupt 1
{
t1++;
display();
if(t1==50)
{
t1=0;
t2++;
if(t2==100)
{
t2=0;
wait_time=0;
ET0=0;
EA=0;
}
}
}
void warn_delay()
{
uchar i;
for(i=0;i<50;i++)
{
delay1ms(100);
}
}
void checkkey()
{
uchar i;
output=1;
for(i=0;i<6;i++)
{
if(password[i] != intword[i])
{
output=0;
}
}
}
void read_key()
{
uchar i;
for(i=0;i<6;i++)
{
password[i]=read_eeprom(0x02);
delay1ms(1);
}
}
void main()
{
init0all();
init_time0();
//write_key();//初始化
read_key();
while(1)
{
key16();
if(keyvalue==16)
{
inputkey();
checkkey();
if(output==1)
{
P2=(P2&0x1f)|0xa0;
P0=0x40;
P2=P2&0x1f;
disbuf[7]=15;
disbuf[6]=14;
disbuf[5]=13;
disbuf[4]=12;
disbuf[3]=11;
disbuf[2]=11;
disbuf[1]=11;
disbuf[0]=12;
display();
key16();
if(keyvalue==12)
{
init0all();
changekey();
}
init0all();
disbuf[0]=11;
disbuf[1]=11;
disbuf[2]=11;
disbuf[3]=11;
disbuf[4]=11;
disbuf[5]=11;
disbuf[6]=11;
disbuf[7]=11;
}
if(output==0)
{
P2=(P2&0x1f)|0x80;
P0=0xfe;
P2=P2&0x1f;
warn_delay();
P2=(P2&0x1f)|0x80;
P0=0xff;
P2=P2&0x1f;
init0all();
}
}
}
}
iic.c
/*
程式說明: IIC匯流排驅動程式
軟體環境: Keil uVision 4.10
硬體環境: CT107微控制器綜合實訓平臺 8051，12MHz
日 期: 2011-8-9
*/
#include "reg52.h"
#include "intrins.h"
#define DELAY_TIME 5
#define SlaveAddrW 0xA0
#define SlaveAddrR 0xA1
//匯流排引腳定義
sbit SDA = P2^1; /* 傳輸線 */
sbit SCL = P2^0; /* 時鐘線 */
void IIC_Delay(unsigned char i)
{
do{_nop_();_nop_();_nop_();_nop_();
_nop_();_nop_();_nop_();_nop_();
_nop_();_nop_();_nop_();_nop_();}
while(i--);
}
//匯流排啟動條件
void IIC_Start(void)
{
SDA = 1;
SCL = 1;
IIC_Delay(DELAY_TIME);
SDA = 0;
IIC_Delay(DELAY_TIME);
SCL = 0;
}
//匯流排停止條件
void IIC_Stop(void)
{
SDA = 0;
SCL = 1;
IIC_Delay(DELAY_TIME);
SDA = 1;
IIC_Delay(DELAY_TIME);
}
//等待應答
bit IIC_WaitAck(void)
{
bit ackbit;
SCL = 1;
IIC_Delay(DELAY_TIME);
ackbit = SDA;
SCL = 0;
IIC_Delay(DELAY_TIME);
return ackbit;
}
//通過I2C匯流排傳送資料
void IIC_SendByte(unsigned char byt)
{
unsigned char i;
for(i=0; i<8; i++)
{
SCL = 0;
IIC_Delay(DELAY_TIME);
if(byt & 0x80) SDA = 1;
else SDA = 0;
IIC_Delay(DELAY_TIME);
SCL = 1;
byt <<= 1;
IIC_Delay(DELAY_TIME);
}
SCL = 0;
}
//從I2C匯流排上接收資料
unsigned char IIC_RecByte(void)
{
unsigned char i, da;
for(i=0; i<8; i++)
{
SCL = 1;
IIC_Delay(DELAY_TIME);
da <<= 1;
if(SDA) da |= 1;
SCL = 0;
IIC_Delay(DELAY_TIME);
}
return da;
}
//eeprom讀
void write_eeprom(unsigned char add,unsigned char dat)
{
IIC_Start();
IIC_SendByte(0xa0);
IIC_WaitAck();
IIC_SendByte(add);
IIC_WaitAck();
IIC_SendByte(dat);
IIC_WaitAck();
IIC_Stop();
}
//eeprom寫
unsigned char read_eeprom(unsigned char add)
{
unsigned char du;
IIC_Start();
IIC_SendByte(0xa0);
IIC_WaitAck();
IIC_SendByte(add);
IIC_WaitAck();
IIC_Start();
IIC_SendByte(0xa1);
IIC_WaitAck();
du=IIC_RecByte();
IIC_Stop();
return du;
}
iic.h
#ifndef _IIC_H
#define _IIC_H
void IIC_Start(void);
void IIC_Stop(void);
bit IIC_WaitAck(void);
void IIC_SendByte(unsigned char byt);
unsigned char IIC_RecByte(void);
void write_eeprom(unsigned char add,unsigned char dat);
unsigned char read_eeprom(unsigned char add);
#endif
沒用解決無功能位在輸入密碼狀態下按下輸入為0的問題…
希望有大佬指導解決辦法