单片机C语言程序设计实训100例-基于8051+Proteus仿真Word版共76页.doc

《单片机 C 语言程序设计实训 100 例—基于 8051+Proteus 仿真》案例

第 01 篇 基础程序设计

01 闪烁的 LED

/* 名称：闪烁的 LED

说明：LED 按设定的时间间隔闪烁

*/

#include<reg51.h>

uchar i;

while(x--)

{

for(i=0;i<120;i++);

}

}

//主程序

void main()

{

while(1)

/* 名称：从左到右的流水灯

说明：接在 P0 口的 8 个

LED 从左到右循环依次点亮，

产生走马灯效果

*/

#include<reg51.h>

#include<intrins.h>

#define uchar unsigned char

#define uint unsigned int

//延时

}

}

//主程序

void main()

{

P0=0xfe;

while(1)

{

P0=_crol_(P0,1); //P0 的值向左循环移动

DelayMS(150);

#include<reg51.h>

#include<intrins.h>

#define uchar unsigned char

#define uint unsigned int

//延时

void DelayMS(uint x)

{

uchar i;

while(x--)

{

uchar i;

P2=0x01;

while(1)

{

for(i=0;i<7;i++)

{

P2=_crol_(P2,1); //P2 的值向左循环移动

P2=_cror_(P2,1); //P2 的值向右循环移动

DelayMS(150);

}

}

}

04 花样流水灯

说明：16 只 LED 分两组

0xfc,0xf9,0xf3,0xe7,0xcf,0x9f,0x3f,0x7f,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,

0xe7,0xdb,0xbd,0x7e,0xbd,0xdb,0xe7,0xff,0xe7,0xc3,0x81,0x00,0x81,0xc3,0xe7,0xff,

0xaa,0x55,0x18,0xff,0xf0,0x0f,0x00,0xff,0xf8,0xf1,0xe3,0xc7,0x8f,0x1f,0x3f,0x7f,

0x7f,0x3f,0x1f,0x8f,0xc7,0xe3,0xf1,0xf8,0xff,0x00,0x00,0xff,0xff,0x0f,0xf0,0xff,

0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,

0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x7f,0xbf,0xdf,0xef,0xf7,0xfb,0xfd,0xfe,

0xfe,0xfc,0xf8,0xf0,0xe0,0xc0,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0xc0,0xe0,0xf0,0xf8,0xfc,0xfe,

0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff

};

uchar code Pattern_P2[]=

0xaa,0x55,0x18,0xff,0xf0,0x0f,0x00,0xff,0xf8,0xf1,0xe3,0xc7,0x8f,0x1f,0x3f,0x7f,

0x7f,0xbf,0xdf,0xef,0xf7,0xfb,0xfd,0xfe,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,

0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xfe,0xfc,0xf8,0xf0,0xe0,0xc0,0x80,0x00,

0x00,0x80,0xc0,0xe0,0xf0,0xf8,0xfc,0xfe,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,

0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff

};

//延时

}

}

//主程序

void main()

{

uchar i;

while(1)

for(i=0;i<136;i++)

{

05 LED 模拟交通灯

/* 名称：LED 模拟交通灯

说明：东西向绿灯亮若干秒，黄

灯闪烁 5 次后红灯亮， 红灯亮后，

*/

#include<reg51.h>

#define uchar unsigned char

sbit GREEN_A=P0^2;

sbit GREEN_B=P0^5;

//延时

void DelayMS(uint x)

{

uchar i;

//交通灯切换

{

case 1: //东西向绿灯与南北向红灯亮

RED_A=1;YELLOW_A=1;GREEN_A=0;

RED_B=0;YELLOW_B=1;GREEN_B=1;

DelayMS(2000);

Operation_Type=2;

break;

DelayMS(300);

YELLOW_A=~YELLOW_A;GREEN_A=1;

if(++Flash_Count!=10) return; //闪烁 5 次

case 3: //东西向红灯，南北向绿灯亮

RED_B=1;YELLOW_B=1;GREEN_B=0;

Operation_Type=4;

break;

case 4: //南北向黄灯闪烁 5 次

DelayMS(300);

YELLOW_B=~YELLOW_B;GREEN_B=1;

if(++Flash_Count!=10) return;

Flash_Count=0;

Operation_Type=1;

}

}

//主程序

while(1) Traffic_Light();

06 单只数码管循环显示 0~9

/* 名称：单只数码管循环显示 0~9

说明：主程序中的循环语句反复将 0~9 的段码送至 P0 口，使数字 0~9 循环显示

*/

#include<reg51.h>