矩阵式键盘

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include<reg52.h>

#define uint unsigned int

#define uchar unsigned char

uint temp,aa,wang,qian,bai,shi,ge;

sbit dula=P2^6;

sbit wela=P2^7;

uchar code table[]={

0x3f,0x06,0x5b,0x4f,

0x66,0x6d,0x7d,0x07,

0x7f,0x6f,0x77,0x7c,

0x39,0x5e,0x79,0x71};

void display( uint wang,uint qian,uint bai,uint shi,uint ge);

void delay(uint z);

void init();

void main()

{

init();//初始化子程序

while(1)

{

if(aa==20)

  {

aa=0;

temp++;

if(temp==99999)

   {

temp=0;

   }

wang=temp/10000;

qian=(temp-wang*10000)/1000;

bai=(temp-wang*10000-qian*1000)/100;

shi=(temp-wang*10000-qian*1000-bai*100)/10;

ge=temp%10;

  }

display(wang,qian, bai,shi,ge);

}

}

 

void delay(uint z)

{

uint x,y;

for(x=z;x>0;x--)

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

}

 

void display(uint wang,uint qian,uint bai,uint shi,uint ge)

{

        dula=1;

P0=table[wang];

dula=0;

P0=0xff;

wela=1;

P0=0xfe;

wela=0;

delay(1);

 

dula=1;

P0=table[qian];

dula=0;

P0=0xff;

wela=1;

P0=0xfd;

wela=0;

delay(1);

 

        dula=1;

P0=table[bai];

dula=0;

P0=0xff;

wela=1;

P0=0xfb;

wela=0;

delay(1);

 

dula=1;

P0=table[shi];

dula=0;

P0=0xff;

wela=1;

P0=0xf7;

wela=0;

delay(1);

 

dula=1;

P0=table[ge];

dula=0;

P0=0xff;

wela=1;

P0=0xef;

wela=0;

delay(1);

}

 

void init()

{

wela=0;

dula=0;

temp=0;

TMOD=0x01;

TH0=(65536-50000)/256;

TL0=(65536-50000)%256;

EA=1;

ET0=1;

TR0=1;

}

 

void timer0() interrupt 1

{

TH0=(65536-50000)/256;

TL0=(65536-50000)%256;

aa++;

}

include<reg52.h>

#define uint unsigned int

#define uchar unsigned char

uint temp,aa,wang,qian,bai,shi,ge;

sbit dula=P2^6;

sbit wela=P2^7;

uchar code table[]={

0x3f,0x06,0x5b,0x4f,

0x66,0x6d,0x7d,0x07,

0x7f,0x6f,0x77,0x7c,

0x39,0x5e,0x79,0x71};

void display( uint wang,uint qian,uint bai,uint shi,uint ge);

void delay(uint z);

void init();

void main()

{

init();//初始化子程序

while(1)

{

if(aa==20)

  {

aa=0;

temp++;

if(temp==99999)

   {

temp=0;

   }

wang=temp/10000;

qian=(temp-wang*10000)/1000;

bai=(temp-wang*10000-qian*1000)/100;

shi=(temp-wang*10000-qian*1000-bai*100)/10;

ge=temp%10;

  }

display(wang,qian, bai,shi,ge);

}

}

 

void delay(uint z)

{

uint x,y;

for(x=z;x>0;x--)

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

}

 

void display(uint wang,uint qian,uint bai,uint shi,uint ge)

{

        dula=1;

P0=table[wang];

dula=0;

P0=0xff;

wela=1;

P0=0xfe;

wela=0;

delay(1);

 

dula=1;

P0=table[qian];

dula=0;

P0=0xff;

wela=1;

P0=0xfd;

wela=0;

delay(1);

 

        dula=1;

P0=table[bai];

dula=0;

P0=0xff;

wela=1;

P0=0xfb;

wela=0;

delay(1);

 

dula=1;

P0=table[shi];

dula=0;

P0=0xff;

wela=1;

P0=0xf7;

wela=0;

delay(1);

 

dula=1;

P0=table[ge];

dula=0;

P0=0xff;

wela=1;

P0=0xef;

wela=0;

delay(1);

}

 

void init()

{

wela=0;

dula=0;

temp=0;

TMOD=0x01;

TH0=(65536-50000)/256;

TL0=(65536-50000)%256;

EA=1;

ET0=1;

TR0=1;

}

 

void timer0() interrupt 1

{

TH0=(65536-50000)/256;

TL0=(65536-50000)%256;

aa++;

}

include<reg52.h>

#define uint unsigned int

#define uchar unsigned char

uint temp,aa,wang,qian,bai,shi,ge;

sbit dula=P2^6;

sbit wela=P2^7;

uchar code table[]={

0x3f,0x06,0x5b,0x4f,

0x66,0x6d,0x7d,0x07,

0x7f,0x6f,0x77,0x7c,

0x39,0x5e,0x79,0x71};

void display( uint wang,uint qian,uint bai,uint shi,uint ge);

void delay(uint z);

void init();

void main()

{

init();//初始化子程序

while(1)

{

if(aa==20)

  {

aa=0;

temp++;

if(temp==99999)

   {

temp=0;

   }

wang=temp/10000;

qian=(temp-wang*10000)/1000;

bai=(temp-wang*10000-qian*1000)/100;

shi=(temp-wang*10000-qian*1000-bai*100)/10;

ge=temp%10;

  }

display(wang,qian, bai,shi,ge);

}

}

 

void delay(uint z)

{

uint x,y;

for(x=z;x>0;x--)

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

}

 

void display(uint wang,uint qian,uint bai,uint shi,uint ge)

{

        dula=1;

P0=table[wang];

dula=0;

P0=0xff;

wela=1;

P0=0xfe;

wela=0;

delay(1);

 

dula=1;

P0=table[qian];

dula=0;

P0=0xff;

wela=1;

P0=0xfd;

wela=0;

delay(1);

 

        dula=1;

P0=table[bai];

dula=0;

P0=0xff;

wela=1;

P0=0xfb;

wela=0;

delay(1);

 

dula=1;

P0=table[shi];

dula=0;

P0=0xff;

wela=1;

P0=0xf7;

wela=0;

delay(1);

 

dula=1;

P0=table[ge];

dula=0;

P0=0xff;

wela=1;

P0=0xef;

wela=0;

delay(1);

}

 

void init()

{

wela=0;

dula=0;

temp=0;

TMOD=0x01;

TH0=(65536-50000)/256;

TL0=(65536-50000)%256;

EA=1;

ET0=1;

TR0=1;

}

 

void timer0() interrupt 1

{

TH0=(65536-50000)/256;

TL0=(65536-50000)%256;

aa++;

}

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