《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>
#define uchar unsigned char
#define uint unsigned int
sbit LED=P1^0;
//延时
void DelayMS<uint x>
{
uchar i;
while<x-->
{
for<i=0;i<120;i++>;
}
}
//主程序
void main<>
{
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<reg51.h>
#include<intrins.h>
#define uchar unsigned char
#define uint unsigned int
//延时
void DelayMS<uint x>
{
while<x-->
{
for<i=0;i<120;i++>;
}
}
//主程序
void main<>
{
P0=0xfe;
while<1>
{
P0=_crol_<P0,1>; //P0的值向左循环移动
DelayMS<150>;
}
}
03 8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<reg51.h>
#include<intrins.h>
#define uchar unsigned char
#define uint unsigned int
//延时
void DelayMS<uint x>
{
uchar i;
while<x-->
{
for<i=0;i<120;i++>;
}
}
//主程序
void main<>
{
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
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<reg51.h>
#define uchar unsigned char
#define uint unsigned int
uchar code Pattern_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
};
uchar code Pattern_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
void DelayMS<uint x>
{
uchar i;
while<x-->
{
}
}
//主程序
void main<>
{
uchar i;
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>;
}
}
}
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，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<reg51.h>
#define uchar unsigned char
#define uint unsigned int
sbit RED_A=P0^0;  //东西向灯
sbit YELLOW_A=P0^1;
sbit GREEN_A=P0^2;
sbit RED_B=P0^3;  //南北向灯
sbit YELLOW_B=P0^4;
sbit GREEN_B=P0^5;
uchar Flash_Count=0,Operation_Type=1; //闪烁次数，操作类型变量//延时
void DelayMS<uint x>
{
uchar i;
while<x--> for<i=0;i<120;i++>;
}
/
/交通灯切换
void Traffic_Light<>
{
switch<Operation_Type>
{
RED_A=1;YELLOW_A=1;GREEN_A=0;
RED_B=0;YELLOW_B=1;GREEN_B=1;
DelayMS<2000>;
Operation_Type=2;
break;
case 2: //东西向黄灯闪烁，绿灯关闭
单片机编程100例详解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;
case 3: //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;
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
void main<>
{
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>
#include<intrins.h>
#define uchar unsigned char
#define uint unsigned int
uchar code DSY_CODE[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0xff};