电子密码锁设计.docx

电子密码锁设计

#include<reg51.h>

#include "intrins.h"

#define uchar unsigned char

#define uint unsigned int

uchar old1,old2,old3,old4,old5,old6;//定义六位原始数据变量

unsigned char PassWord[6];

uchar a=8,b=8,c=8,d=8,e=8,f=8; //数码管原始显示数据

sbit GLED=P3^5;

sbit RLED=P3^4;

sbit SCL = P3^3;

sbit SDA = P3^2; //定义引脚变量

unsigned char code table[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,

0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71,0x00,0x40,0x5e,0x79,0x77,0x08}; // 定 义 数

组

void InitI2C();

void I2CStart();

void I2CStop();

void InitI2C()

{SDA = 1;SCL = 1;} //配置模拟 I2C 的 IO 端口

void I2CStart()

{SDA = 1;

delay(1);

SCL = 1;delay(1);

SDA = 0;

delay(1);

SCL = 0;

} //发送 I2C 总线起始状态

void I2CStop()

{SCL = 0;

delay(1);

SDA = 0;

delay(1);

SCL = 1;

void I2CSend(uchar byte)

{uchar mask;

uchar i;

delay(1);

{SDA = 0;}

else

{SDA = 1;}

mask >>= 1;

delay(1);

SCL = 1;

SCL = 1;

delay(1);

SCL = 0;

} //向 I2C 总线发送一个一个字节数据，并检测应答

uchar I2CRead()

{uchar byte;

uchar i;

byte = 0;

for(i = 0; i < 8; i++)

{SCL = 0;

SDA = 1;

delay(1);

SCL = 1;

delay(1);

byte <<= 1;

if(SDA == 1)

{byte |= 0x01;

}

delay(1);