单片机C语言程序设计实训100例基于8051+Proteus仿真.docx

1、单片机C语言程序设计实训100例基于8051+Proteus仿真基于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#define uchar unsigned char#define uint unsigned intsbit LED=P10;/延时void DelayMS(uint x) uchar i; while(x-) for(i=0;i120;i+); /主程序void main() while(1) LED=LED; DelayMS(150); 02 从左到右的流水灯/* 名

2、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#define uchar unsigned char#define uint unsigned int/延时void DelayMS(uint x) uchar i; while(x-) for(i=0;i120;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_cro

3、l_和_cror_形成来回滚动的效果*/#include#include#define uchar unsigned char#define uint unsigned int/延时void DelayMS(uint x) uchar i; while(x-) for(i=0;i120;i+); /主程序void main() uchar i; P2=0x01;延时 while(1) for(i=0;i7;i+) P2=_crol_(P2,1); /P2的值向左循环移动 DelayMS(150); for(i=0;i7;i+) P2=_cror_(P2,1); /P2的值向右循环移动 Dela

4、yMS(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#define uchar unsigned char#define uint unsigned intuchar 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,

5、 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,0

6、xef,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,

7、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,0

8、xff,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, 0x

9、00,0xff,0x00,0xff,0x00,0xff,0x00,0xff;/延时void DelayMS(uint x) uchar i; while(x-) for(i=0;i120;i+); /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;i136;i+) P0=Pattern_P0i; P2=Pattern_P2i; 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

10、，东西向变绿灯，如此重复。*/#include#define uchar unsigned char#define uint unsigned intsbit RED_A=P00; /东西向灯sbit YELLOW_A=P01;sbit GREEN_A=P02;sbit RED_B=P03; /南北向灯sbit YELLOW_B=P04;sbit GREEN_B=P05;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;i120;i+);/交通

11、灯切换void Traffic_Light() switch(Operation_Type) 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; case 2: /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

12、; 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

13、只数码管循环显示09/* 名称：单只数码管循环显示09 说明：主程序中的循环语句反复将09的段码送至P0口，使数字09循环显示*/#include#include#define uchar unsigned char#define uint unsigned intuchar code DSY_CODE=0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0xff;/延时void DelayMS(uint x) uchar t; while(x-) for(t=0;t120;t+);/主程序void main() uchar i=0; P0=0x00; while(1) /* for(;i11;i+) P0=DSY_CODEi; DelayMS(300); /注:另一方案 */ P0=DSY_CODEi; i=(i+1)%10; DelayMS(300); 07 8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07，程序通过每次仅循环选通一只数码管*/#include#include#define uchar unsigned char#define uint unsigned int