51单片机仿真100实例.docx

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51单片机仿真100实例.docx

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51单片机仿真100实例.docx

51单片机仿真100实例

《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

#defineucharunsignedchar

#defineuintunsignedint

sbitLED=P1^0;

//延时

voidDelayMS(uintx)

{

uchari;

while(x--)

{

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

}

}

//主程序

voidmain()

{

while

(1)

{

LED=~LED;

DelayMS(150);

}

}

02从左到右的流水灯

/*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

#include

#defineucharunsignedchar

#defineuintunsignedint

//延时

voidDelayMS(uintx)

{

uchari;

while(x--)

{

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

}

}

//主程序

voidmain()

{

P0=0xfe;

while

(1)

{

P0=_crol_(P0,1);//P0的值向左循环移动

DelayMS(150);

}

}

038只LED左右来回点亮

/*名称:

8只LED左右来回点亮

说明:

程序利用循环移位函数_crol_和_cror_形成来回滚动的效果

*/

#include

#include

#defineucharunsignedchar

#defineuintunsignedint

//延时

voidDelayMS(uintx)

{

uchari;

while(x--)

{

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

}

}

//主程序

voidmain()

{

uchari;

P2=0x01;

while

(1)

{

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

{

P2=_crol_(P2,1);//P2的值向左循环移动

DelayMS(150);

}

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

{

P2=_cror_(P2,1);//P2的值向右循环移动

DelayMS(150);

}

}

}

04花样流水灯

/*名称:

花样流水灯

说明:

16只LED分两组按预设的多种花样变换显示

*/

#include

#defineucharunsignedchar

#defineuintunsignedint

ucharcodePattern_P0[]=

{

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

};

ucharcodePattern_P2[]=

{

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

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

voidDelayMS(uintx)

{

uchari;

while(x--)

{

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

}

}

//主程序

voidmain()

{

uchari;

while

(1)

{//从数组中读取数据送至P0和P2口显示

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

{

P0=Pattern_P0[i];

P2=Pattern_P2[i];

DelayMS(100);

}

}

}

05LED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,南北向由红灯变为绿灯,若干秒后南北向黄灯闪烁5此后变红灯,东西向变绿灯,如此重复。

*/

#include

#defineucharunsignedchar

#defineuintunsignedint

sbitRED_A=P0^0;//东西向灯

sbitYELLOW_A=P0^1;

sbitGREEN_A=P0^2;

sbitRED_B=P0^3;//南北向灯

sbitYELLOW_B=P0^4;

sbitGREEN_B=P0^5;

ucharFlash_Count=0,Operation_Type=1;//闪烁次数,操作类型变量

//延时

voidDelayMS(uintx)

{

uchari;

while(x--)for(i=0;i<120;i++);

}

//交通灯切换

voidTraffic_Light()

{

switch(Operation_Type)

{

case1:

//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;

case2:

//东西向黄灯闪烁,绿灯关闭

DelayMS(300);

YELLOW_A=~YELLOW_A;GREEN_A=1;

if(++Flash_Count!

=10)return;//闪烁5次

Flash_Count=0;

Operation_Type=3;

break;

case3:

//东西向红灯,南北向绿灯亮

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

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

DelayMS(2000);

Operation_Type=4;

break;

case4:

//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

voidmain()

{

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

#include

#defineucharunsignedchar

#defineuintunsignedint

ucharcodeDSY_CODE[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0xff};

//延时

voidDelayMS(uintx)

{

uchart;

while(x--)for(t=0;t<120;t++);

}

//主程序

voidmain()

{

uchari=0;

P0=0x00;

while

(1)

{/*for(;i<11;i++){P0=~DSY_CODE[i];DelayMS(300);}//注:

另一方案*/

P0=~DSY_CODE[i];

i=(i+1)%10;

DelayMS(300);

}

}

078只数码管滚动显示单个数字

/*名称:

8只数码管滚动显示单个数字

说明:

数码管从左到右依次滚动显示0~7,程序通过每次仅循环选通一只数码管

*/

#include

#include

#defineucharunsignedchar

#defineuintunsignedint

uchar

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