單片機技能大賽編程大全

1、精選優(yōu)質(zhì)文檔-傾情為你奉上一 開關(guān)檢測器程序編寫：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：節(jié)日彩燈控制器編程：#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 ; /延時 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) /從數(shù)組中讀取數(shù)據(jù)送至P0 和P2 口顯示 for(i=0;i<136;i+) P0=table_P0i; P2=table_P2i; delay(100); 三 簡單的左右循環(huán)流水燈的制作#include<reg51.h>#include<intrins.h>unsigned char temp; /定義字符變量temp,temp左移或右移并給連接LED的P1口賦值int a; /定義延遲函數(shù)delay()void delay(void);

8、void main() temp=0xfe; /給temp賦初值P1=temp; /temp賦值給P1口，第一個LED（紅色）點亮while(1) /主程序，括號中的程序?qū)⒁恢毖h(huán) for(a=0;a<7;a+) /左移部分，LED從左到右依次點亮 temp=_crol_(temp,1); /_crol_語句控制變量temp左移delay(); /每個燈點亮之后延遲一會在點下一個燈P1=temp;for(a=0;a<7;a+) /右移部分，LED從右到左依次點亮 temp=_cror_(temp,1); /第8個燈點亮后開始右移程序，LED從右向左點亮delay(); P1=tem

9、p;void delay() /延時子程序int i,j; /定義局部變量i,jfor(i=200;i>0;i-) /i,j不斷計數(shù)占用CPU時間，達到延時目的for(j=1;j<150;j+);四可控的左右循環(huán)流水燈的制作ORG       0000H            ；單片機上電后從0000H地址執(zhí)行AJMP     START   &

10、#160;       ；跳轉(zhuǎn)到主程序存放地址處ORG       0030H            ；設(shè)置主程序開始地址START：MOV      SP，#60H      ；設(shè)置堆棧起始地址為60HCLR     

11、   P1.0               ；P1.0輸出低電平，使LED1點亮ACALLDELAY          ；調(diào)用延時子程序SETBP1.0             ；P1.0輸出高電平，使LED1熄滅CLR P1.1

12、             ；P1.1輸出低電平，使LED2點亮ACALLDELAY          ；調(diào)用延時子程序SETBP1.1             ；P1.1輸出高電平，使LED2熄滅CLR P1.2     

13、;        ；P1.2輸出低電平，使LED3點亮ACALLDELAY          ；調(diào)用延時子程序SETBP1.2             ；P1.2輸出高電平，使LED3熄滅CLR P1.3         

14、0;   ；P1.3輸出低電平，使LED4點亮ACALLDELAY          ；調(diào)用延時子程序SETBP1.3             ；P1.3輸出高電平，使LED4熄滅CLR P1.4             ；P1.4輸出低電平，使LE

15、D5點亮ACALLDELAY          ；調(diào)用延時子程序SETBP1.4             ；P1.4輸出高電平，使LED5熄滅CLR P1.5             ；P1.5輸出低電平，使LED6點亮ACALLDELAY  

16、60;       ；調(diào)用延時子程序SETBP1.5             ；P1.5輸出高電平，使LED6熄滅CLR P1.6             ；P1.6輸出低電平，使LED7點亮ACALLDELAY       &#

17、160;  ；調(diào)用延時子程序SETBP1.6             ；P1.6輸出高電平，使LED7熄滅CLR P1.7             ；P1.7輸出低電平，使LED8點亮ACALLDELAY          ；調(diào)用延時子程序SETBP1.7&#

18、160;            ；P1.7輸出高電平，使LED8熄滅ACALLDELAY          ；調(diào)用延時子程序AJMP  START           ；8個LED流了一遍后返回到標號START處再循環(huán)DELAY：      

19、;                         ；延時子程序MOV      R0，#255；延時一段時間D1：      MOV      R1，#255DJNZ      R1，$DJNZ      R0，D1RET             &#