我的it道路1，12周13周的学习编写。

#include<reg52.h>

#include<intrins.h>

sbit T=P3^5;

sbit SRCLK=P3^6;

sbit SER=P3^4;

typedef unsigned char u8;

typedef unsigned int u16;

void hc595(u8 m)

{

u8 a;

SRCLK=0;

T=0;

for(a=1;a<8;a++)

{

SER=m>>7;

m<<=1;

SRCLK=1;

_nop_();

_nop_();

SRCLK=0;

}

T=1;

_nop_();

_nop_();

T=0;

}

void main()

{

hc595(0x80);

P0=0x7f;

while(1);

}

/*#include<reg52.h>

typedef unsigned char u8;

typedef unsigned int u16;

#define aj P1

#define sg P0

sbit led=P2^0;

sbit led1=P2^7;

sbit a=P2^2;

sbit b=P2^3;

sbit c=P2^4;

u8 code su[]={0x30,0x38,0x3f,0x3e,0x79,0x6e,0x3f,0x3e};

u8 code sm[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7c,0x07,0x7f};

void delay(u16 i)

{

while(i--);

}

void xunl()

{

    u8 i;

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

{

switch(i)

{

case (0):

a=1;b=1;c=1;break;

case (1):

a=0;b=1;c=1;break;

case (2):

a=1;b=0;c=1;break;

case (3):

a=0;b=0;c=1;break;

case (4):

a=1;b=1;c=0;break;

case (5):

a=0;b=1;c=0;break;

case (6):

a=1;b=0;c=0;break;

case (7):

a=0;b=0;c=0;break;

}

P0=sm[i];

delay(50000);

P0=0x00;

}

}

void ss()

{

u8 m;

m=0x55;

P2=m;

delay(50000);

m=0xaa;

P2=m;

delay(50000);

}

void lv()

{

u8 o;

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

{

switch(o)

{

case (0):

a=1;b=1;c=1;break;

case (1):

a=0;b=1;c=1;break;

case (2):

a=1;b=0;c=1;break;

case (3):

a=0;b=0;c=1;break;

case (4):

a=1;b=1;c=0;break;

case (5):

a=0;b=1;c=0;break;

case (6):

a=1;b=0;c=0;break;

case (7):

a=0;b=0;c=0;break;

}

P0=su[o];

delay(100);

P0=0x00;

}

}

void main()

{

u8 x;

while(1)

{

aj=0x0f;

if(aj!=0x0f)

{

aj=0x0f;

delay(1000);

if(aj!=0x0f)

{

for(x=1;x<100;x++)

{

switch(aj)

{

case 0x07:lv();break;

  case 0x0b:ss();break;

case 0x0d:xunl();break;

}

aj=0xf0;

switch(aj)

{

case 0x70:ss();break;

case 0xb0:xunl();break;

case 0xd0:lv();break;

}

}

}

}

}

}

*/

/////////////////////////////////////////////////////////////////////////////综合程序玩耍乎

/*#include<reg52.h>

typedef unsigned char u8;

typedef unsigned int u16;

void delay(u16 i)

{

while(i--);

}

void main()

{

u8 m;

while(1)

{

m=0x55;

P2=m;

delay(50000);

m=0xaa;

P2=m;

delay(50000);

}

}//////////////////////////////////////////////////////////////////////////////////////////led奇数偶数的换闪，彩灯闪烁。

*/

/*#include<reg52.h>

typedef unsigned char u8;

typedef unsigned int u16;

u8 m;

#define aj P1

#define sg P0

sbit a=P2^2;

sbit b=P2^3;

sbit c=P2^4;

u8 code sm[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7c,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};

void delay(u16 i)

{

while(i--);

}

void shuzi()

{

aj=0x0f;

if(aj!=0x0f)

{

aj=0x0f;

delay(1000);

if(aj!=0x0f)

{

switch(aj)

{

case 0x07:m=0;break;

case 0x0b:m=1;break;

case 0x0d:m=2;break;

case 0x0e:m=3;break;

}

aj=0xf0;

switch(aj)

{

case 0x70:m=m;break;

case 0xb0:m=m+4;break;

case 0xd0:m=m+8;break;

case 0xe0:m=m+12;break;

}

delay(1000);

}

}

}

void main()

{

a=0;

b=0;

c=0;

while(1)

{

shuzi();

sg=sm[m];

delay(5);

}

} ///////////////////////////////////////////////////////////////////////////////////////////自定义模拟数字1-f。（矩阵按键）

*/

/*#include<reg52.h>

#define aj P1

#define sg P0

sbit a=P2^2;

sbit b=P2^3;

sbit c=P2^4;

typedef unsigned char u8;

typedef unsigned int u16;

u8 i;

u8 code sm[]={0x38,0x3f,0x3e,0x79,0x6e,0x3f,0x3e,0x6d,0x5b,0x3f,0x30,0x4f,0x30,0x66,0x6f,0x6f};

void delay(u16 i)

{

while(i--);

}

void bb()

{

u8 v=0; /////////////////////////////////////////////////////youcuowud

aj=0x0f;

if(aj!=0x0f)

{ //////////////////////////////////////////////////kuohaocuowul

delay(1000);

if(aj!=0x0f)

{

aj=0x0f;//////////////////////////////////////////////////////////////////youcuowu

switch(aj)

{

case 0x07:i=0;break;

case 0x0b:i=1;break;

case 0x0d:i=2;break;

case 0x0e:i=3;break;

}

aj=0xf0;

switch(aj)

{

case 0x70:i=i;break;

case 0xb0:i=i+4;break;

case 0xd0:i=i+8;break;

case 0xe0:i=i+12;break;

}

while((v<5)&&(aj!=0xf0))

{

delay(1000);

v++;

}

}

}

}

void main()

{

a=0;

b=0;

c=0;

while(1)

{

bb();

sg=sm[i];

  }

} //////////////////////////////////////////////////////////////////////////////////////////////////                  、、、、、///////也就是简单的表白一下矩阵控制数码管第一个(love you 520131399)

*/

/*#include<reg52.h>

sbit a=P2^2;

sbit b=P2^3;

sbit c=P2^4;

typedef unsigned char u8;

typedef unsigned int u16;

u8 code sm[]={0x30,0x38,0x3f,0x3e,0x79,0x6e,0x3f,0x3e};

void delay(u16 i)

{

while(i--);

}

void lv()

{

u8 i;

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

{

switch(i)

{

case (0):

a=1;b=1;c=1;break;

case (1):

a=0;b=1;c=1;break;

case (2):

a=1;b=0;c=1;break;

case (3):

a=0;b=0;c=1;break;

case (4):

a=1;b=1;c=0;break;

case (5):

a=0;b=1;c=0;break;

case (6):

a=1;b=0;c=0;break;

case (7):

a=0;b=0;c=0;break;

}

P0=sm[i];

delay(3);

P0=0x00;

}

}

void main()

{

while(1)

{

lv();

}

} /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////这么秀 ，loveyou

*/

/*#include<reg52.h>

sbit a=P2^2;

sbit b=P2^3;

sbit c=P2^4;

typedef unsigned char u8;

typedef unsigned int u16;

unsigned char x=1;

  unsigned char y=1;

  unsigned int z;

  u8 code sm[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7c,0x07,0x7f};

void delay(u16 i)

{

while(i--);

}

void main()

{

while(1)

{

for(z=0;z<250;z++)

{

P0=sm[x%10];

a=0;b=0;c=0;

delay(1);

P0=sm[x/10];

a=1;b=0;c=0;

delay(1);

P0=sm[y%10];

a=0;b=1;c=0;

delay(1);  

P0=sm[y/10];

  a=1;b=1;c=0;

delay(1);

}

x=x+1;

if(x<99){x=1;}   

y=y+2;

if(y<99){y=1;}

}

}*/

///////////////////////////////////////////////////////////////////////////////////////////////////////局部变量xy的显示

/*#include<reg52.h>

sbit a=P2^2;

sbit b=P2^3;

sbit c=P2^4;

typedef unsigned char u8;

typedef unsigned int u16;

unsigned int x=32;

  unsigned int y=52;

  unsigned int z;

  u8 code sm[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7c,0x07,0x7f};

void delay(u16 i)

{

while(i--);

}

void main()

{

z=x*y;

while(1)

{

P0=sm[z/1000];

  a=1;b=1;c=0;

delay(1);

P0=sm[(z%1000)/100];

a=0;b=1;c=0;

delay(1);

P0=sm[(z%100)/10];

a=1;b=0;c=0;

delay(1);

P0=sm[z%10];

a=0;b=0;c=0;

delay(1);

}

}/////////////////////////////////////////////////////////////////////////////////////////////////////////////这是计算，用数码管显示结果

*/

/*#include<reg52.h>

typedef unsigned char u8;

typedef unsigned int u16;

sbit led=P2^0;

sbit k1=P3^1;

sbit k2=P3^0;

sbit a=P2^2;

sbit b=P2^3;

sbit c=P2^4;

u8 code sm[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7c,0x07,0x7f};

void delay(u16 i)

{

while(i--);

}

void qiujiu()

{

while(1)

{

u8 i;

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

{

switch(i)

{

case 0: a=1;b=1;c=1;P0=sm[5];delay(3);break;

case 1: a=0;b=1;c=1;P0=sm[0];delay(3);break;

case 2: a=1;b=0;c=1;P0=sm[5];delay(3);break;

case 3: a=1;b=1;c=1;P0=sm[5];delay(3);break;

case 4: a=0;b=1;c=1;P0=sm[0];delay(3);break;

case 5: a=1;b=0;c=1;P0=sm[5];delay(3);break;

}

}

}

}

  void ok()

{

while(1)

{

u8 i;

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

{

switch(i)

{

case 0: a=1;b=1;c=1;P0=sm[1];delay(30000);break;

case 1: a=0;b=1;c=1;P0=sm[1];delay(30000);break;

case 2: a=1;b=0;c=1;P0=sm[3];delay(30000);break;

case 3: a=1;b=1;c=1;P0=sm[5];delay(30000);break;

case 4: a=0;b=1;c=1;P0=sm[0];delay(30000);break;

case 5: a=1;b=0;c=1;P0=sm[5];delay(30000);break;

}

}

}

}

void xun()

{

u8 i;

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

{

switch(i)

{

case 0:

a=1;b=1;c=1;break;

case 1:

a=0;b=1;c=1;break;

case 2:

a=1;b=0;c=1;break;

case 3:

a=0;b=0;c=1;break;

case 4:

a=1;b=1;c=0;break;

case 5:

a=0;b=1;c=0;break;

case 6:

a=1;b=0;c=0;break;

case 7:

a=0;b=0;c=0;break;

}

P0=sm[i];

delay(50000);

P0=0x00;

if(k2==0);

delay(1000);

if(k2==0)

{

ok();

}

}

}

void main()

{

while(1)

{

if(k1==0)

{

delay(1000);

if(k1==0)

{

  u16 i;

xun();

for(i=0;i<5;i++)

{

led=0;

delay(50000);

led=1;

delay(50000);

}

qiujiu();

}

}

}

}*/ /////////////求救信号

/**********************************************************************************//////////////////////////////////////////////////////////////////////////

/*#include<reg52.h>

typedef unsigned char u8;

typedef unsigned int u16;

sbit k1=P3^1;

sbit k2=P3^0;

sbit led=P2^0;

sbit led1=P2^7;

sbit a=P2^2;

sbit b=P2^3;

sbit c=P2^4;

u8 code sm[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7c,0x07,0x7f};

void delay(u16 i)

{

while(i--);

}

void xunl()

{

    u8 i;

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

{

switch(i)

{

case (0):

a=1;b=1;c=1;break;

case (1):

a=0;b=1;c=1;break;

case (2):

a=1;b=0;c=1;break;

case (3):

a=0;b=0;c=1;break;

case (4):

a=1;b=1;c=0;break;

case (5):

a=0;b=1;c=0;break;

case (6):

a=1;b=0;c=0;break;

case (7):

a=0;b=0;c=0;break;

}

P0=sm[i];

delay(50000);

P0=0x00;

}

}*/

/*  void kk()

{

if(k1==0)

{

delay(1000);

if(k1==0)

{

led=~led;

}

while(!k1);

}

}

  */

/*void main()

{

while(1)

{

if(k2==0)

delay(1000);

if(k2==0)

{

u8 i;

xunl();

for(i=1;i<60;i++)

{

led=~led;

delay(5000);

led=~led;

delay(5000);

}

}

while(!k2);

}

}*/   ///////////////////////////////////////////////////////////////////////////闪烁着玩

/******************************************************************************//////////////////////////////////////////////////////////