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1、单片机C语言程序设计实训100例-基于8051和PROTEUS仿真单片机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#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
2、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#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_
3、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;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 花样流水灯/*
4、 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,0x55,0x18,0xff,
5、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,0x
6、fe, 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,0
7、x3f,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,0x
8、fd,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,0x0
9、0,0xff,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。*/#include#define ucha
10、r 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 Traffic_Light()switch(Operati
11、on_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 3:/东西向红灯，南北向绿灯亮RED_A=0;YELLOW_A=1;GREEN_
12、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*/#inclu
13、de#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#includeintrins.h
