单片机技能大赛编程大全

1、精选优质文档-倾情为你奉上一 开关检测器程序编写：ORG 00HSTART: MOV A,P1ANL A,#0F0HRR ARR ARR ARR AORl A,#0F0HMOV P1,ASJMP STARTORG 00HSTART: MOV A,P1ANL A,#0F0HRR ARR ARR ARR AORl A,#0F0HMOV P1,ASJMP START二：节日彩灯控制器编程：#include<reg51.h> #define uchar unsigned char #define uint unsigned intsbit key=P12; uchar code table

2、_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,0x00,0x

3、00,0xff,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, 0x00,0x00,0x00,0x00,0x00,0x0

4、0,0x00,0x00,0x00,0x80,0xc0,0xe0,0xf0,0xf8,0xfc,0xfe, 0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff ; uchar code table_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,0x

5、f0,0x0f,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

6、, 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 delay(uint xms) uint i,j; for(i=xms;i>0;i-) for(j=110;j>0;j-); /主程序 void main()

7、 uchar i; if(key=0) delay(10);if(key=0) while(!key); 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=table_P0i; P2=table_P2i; delay(100); 三 简单的左右循环流水灯的制作#include<reg51.h>#include<intrins.h>unsigned char temp; /定义字符变量temp,temp左移或右移并给连接LED的P1口赋值int a; /定义延迟函数delay()void delay(void);

8、void main() temp=0xfe; /给temp赋初值P1=temp; /temp赋值给P1口，第一个LED（红色）点亮while(1) /主程序，括号中的程序将一直循环 for(a=0;a<7;a+) /左移部分，LED从左到右依次点亮 temp=_crol_(temp,1); /_crol_语句控制变量temp左移delay(); /每个灯点亮之后延迟一会在点下一个灯P1=temp;for(a=0;a<7;a+) /右移部分，LED从右到左依次点亮 temp=_cror_(temp,1); /第8个灯点亮后开始右移程序，LED从右向左点亮delay(); P1=tem

9、p;void delay() /延时子程序int i,j; /定义局部变量i,jfor(i=200;i>0;i-) /i,j不断计数占用CPU时间，达到延时目的for(j=1;j<150;j+);四可控的左右循环流水灯的制作ORG       0000H            ；单片机上电后从0000H地址执行AJMP     START   &

10、#160;       ；跳转到主程序存放地址处ORG       0030H            ；设置主程序开始地址START：MOV      SP，#60H      ；设置堆栈起始地址为60HCLR     

11、   P1.0               ；P1.0输出低电平，使LED1点亮ACALLDELAY          ；调用延时子程序SETBP1.0             ；P1.0输出高电平，使LED1熄灭CLR P1.1

12、             ；P1.1输出低电平，使LED2点亮ACALLDELAY          ；调用延时子程序SETBP1.1             ；P1.1输出高电平，使LED2熄灭CLR P1.2     

13、;        ；P1.2输出低电平，使LED3点亮ACALLDELAY          ；调用延时子程序SETBP1.2             ；P1.2输出高电平，使LED3熄灭CLR P1.3         

14、0;   ；P1.3输出低电平，使LED4点亮ACALLDELAY          ；调用延时子程序SETBP1.3             ；P1.3输出高电平，使LED4熄灭CLR P1.4             ；P1.4输出低电平，使LE

15、D5点亮ACALLDELAY          ；调用延时子程序SETBP1.4             ；P1.4输出高电平，使LED5熄灭CLR P1.5             ；P1.5输出低电平，使LED6点亮ACALLDELAY  

16、60;       ；调用延时子程序SETBP1.5             ；P1.5输出高电平，使LED6熄灭CLR P1.6             ；P1.6输出低电平，使LED7点亮ACALLDELAY       &#

17、160;  ；调用延时子程序SETBP1.6             ；P1.6输出高电平，使LED7熄灭CLR P1.7             ；P1.7输出低电平，使LED8点亮ACALLDELAY          ；调用延时子程序SETBP1.7&#

18、160;            ；P1.7输出高电平，使LED8熄灭ACALLDELAY          ；调用延时子程序AJMP  START           ；8个LED流了一遍后返回到标号START处再循环DELAY：      

19、;                         ；延时子程序MOV      R0，#255；延时一段时间D1：      MOV      R1，#255DJNZ      R1，$DJNZ      R0，D1RET             &#