1、基于51单片机的C语言程序设计资料基于51单片机的C语言程序设计实训100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/* 名称:从左到右的流水灯 说
2、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_crol_和_cror_形成来
3、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; 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 DelayMS(150); 04 花
4、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, 0xaa,0x55,0x1
5、8,0xff,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,
6、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
7、,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,
8、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,0x00,0
9、xff,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,东西向变绿灯,如此重复。*
10、/#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+);/交通灯切换void Traffi
11、c_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; break; case
12、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09/* 名
13、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 intuchar code DSY_C
copyright@ 2008-2022 冰豆网网站版权所有
经营许可证编号:鄂ICP备2022015515号-1