單片機(jī)控制led流水燈從中間向兩邊

1、單片機(jī)控制LED流水燈從中間向兩邊從兩邊向中間這個(gè)就是把先奇數(shù)亮再偶數(shù)亮，循環(huán)三次；一個(gè)燈上下循環(huán)三次；兩個(gè)分別從兩邊往中間流動(dòng)三次；再?gòu)闹虚g往兩邊流動(dòng)三次；不過(guò)這個(gè)程序?qū)崿F(xiàn)的應(yīng)該是這樣的先奇數(shù)亮再偶數(shù)亮，循環(huán)三次；一個(gè)燈上下循環(huán)三次；兩個(gè)分別從兩邊往中間流動(dòng)；再?gòu)闹虚g往兩邊流動(dòng)；#include#include#defineuintunsignedint#defineuunsignedvoiddelay()voidmain()utem

2、ptemp1temp2abP3=0xffwhile(1)f(b=3b0b)temp=0xaaP1=tempdelay()temp=0x55P1=tempdelay()f(a=3a0a)temp=0xfef(b=7b0b)P1=temptemp=_crol_(temp1)delay()P1=tempdelay()temp1=0xfetemp2=0x7ff(a=8a0a)temp=temp1P1=tempdelay()temp1=_crol

3、_(temp11)elsei=0匯編程序如下：花樣流水燈(8個(gè)發(fā)光二極管以各種形式循環(huán)點(diǎn)亮)功能：流水燈(8個(gè)發(fā)光二極管循環(huán)以1S間隔以各種形式循環(huán)點(diǎn)亮)G0000H偽指令，指定程序從0000H開始存放LJMPMAIN跳轉(zhuǎn)指令，程序跳轉(zhuǎn)至MAIN處執(zhí)行G0030H偽指令，指定程序從0030H開始存放MAIN:MOVSP#60H給堆棧指針賦初值MOVP1#0FFH給P1口賦值MOVDPTR#TABLE查表LIGHT:MOVR4#42設(shè)置循

4、環(huán)次數(shù)LOOP:MOVA#42給A賦初值SUBBAR4將A的值與R4的值相減，結(jié)果存在A中MOVCA@ADPTR將ADPTR的值所對(duì)應(yīng)的TABLE中的值賦給AMOVP1A將A的值賦給P1口LCALLDEL1S調(diào)用1S延時(shí)子程序DJNZR4LOOP判斷R4是否為0，不為0跳轉(zhuǎn)，為0順序執(zhí)行LJMPLIGHT跳轉(zhuǎn)指令，跳轉(zhuǎn)至LIGHT處繼續(xù)執(zhí)行1S延時(shí)子程序（11.0592MHz晶振，誤差0微秒）DEL1S:MOVR5#089HDL1S0:

5、MOVR6#0A4HDL1S1:MOVR7#013HDJNZR7$DJNZR6DL1S1DJNZR5DL1S0RETTABLE:定義表格數(shù)據(jù)DB0FFH全滅DB0FEH0FDH0FBH0F7H0EFH0DFH0BFH07FH依次逐個(gè)點(diǎn)亮DB0FEH0FCH0F8H0F0H0E0H0C0H080H000H依次逐個(gè)疊加DB080H0C0H0E0H0F0H0F8H0FCH0FEH0FFH依次逐個(gè)遞減DB07EH0BDH0DBH0E7H0E7H

6、0DBH0BDH07EH兩邊靠攏后分開DB07EH03CH018H000H000H018H03CH07EH兩邊疊加后遞減DB000H全亮END程序結(jié)束指令C語(yǔ)言程序如下：該實(shí)驗(yàn)是花樣流水燈(8個(gè)發(fā)光二極管以各種方式循環(huán)點(diǎn)亮)，功能是花樣流水燈(8個(gè)發(fā)光二極管以1S間隔以各種方式循環(huán)點(diǎn)亮)#include包含reg.52文件#defineuintunsignedint宏定義#defineuunsigned宏定義voiddelay(uint

7、z)聲明延時(shí)函數(shù)uinta定義循環(huán)用變量ucodetable[]=0xff全滅0xfe0xfd0xfb0xf70xef0xdf0xbf0x7f依次逐個(gè)點(diǎn)亮0xfe0xfc0xf80xf00xe00xc00x800x00依次逐個(gè)疊加0x800xc00xe00xf00xf80xfc0xfe0xff依次逐個(gè)遞減0x7e0xbd0xdb0xe70xe70xdb0xbd0x7e兩邊靠攏后分開0x7e0x3c0x180x000x000x180x3c

8、0x7e兩邊疊加后遞減0x00全亮定義循環(huán)用數(shù)據(jù)表格亮的現(xiàn)象：先是全滅，然后依次逐個(gè)點(diǎn)亮，然后依次逐個(gè)疊加，然后依次逐個(gè)遞減，然后兩邊靠攏后分開，然后兩邊疊加后遞減，最后全亮。循環(huán)！voidmain()main函數(shù)a=0給a賦初值while(1)while循環(huán)P1=table[a]將a所在的table中的值賦給P1口delay(1000)1S延時(shí)子程序aa的值加一if(a==42)測(cè)試a是否等于42a=0給a賦值voiddelay(ui