LED飛翔的鳥(niǎo)電路設(shè)計(jì)與仿真 8*8點(diǎn)陣驅(qū)動(dòng)源程序

ID:193801 · 發(fā)表于 2017-4-26 13:58

大家可以參照一下LED飛翔的鳥(niǎo)電路設(shè)計(jì)仿真原理圖如下：

單片機(jī)源程序：

;*********16X16圖形跳變程序設(shè)計(jì)************
TIM EQU 30H ;定議列掃描總數(shù)緩沖區(qū)
CNTA EQU 31H ;定議一屏列掃描緩沖區(qū)
CNTB EQU 32H ;定儀下一屏緩沖區(qū)
ORG 00H
LJMP START
ORG 0BH ;T0中斷入口地址
LJMP T0X
ORG 0100H
;**************初始化部分*************
START:
MOV TIM,#00H ;送初值
MOV CNTA,#00H
MOV CNTB,#00H
MOV TMOD,#01H ;T0定時(shí)方式1
MOV TH0,#253;(65536-4000)/256
MOV TL0,#96
SETB TR0 ;起動(dòng)T0
SETB ET0 ;充許T0中斷
SETB EA ;充許總中斷
SJMP $
;**************顯示部分***************
T0X:
MOV TH0,#251;//(65536-4000)/256
MOV TL0,#50
MOV A,CNTA
MOV P1,A ;送列數(shù)據(jù)(第一次:0000 0000)
MOV DPTR,#DIGIT ;//定義點(diǎn)陣上半部行首表地址
MOV A,CNTB ;選擇下一屏數(shù)據(jù)
MOV B,#16 ;//
MUL AB ;低8位在A中高8位在B中.目的是從哪里開(kāi)始選擇
;下一屏數(shù)據(jù)(0~15、16~31、….)
;第一屏CNTB=0,A=0
;第二屏CNTB=1,A=16
ADD A,CNTA
MOV 33H,A
MOVC A,@A+DPTR ;送上部分行型碼數(shù)據(jù)
MOV P0,A
MOV A,33H
M0: MOV DPTR,#TAB
MOVC A,@A+DPTR ;送下部分行型碼數(shù)據(jù)
MOV P2,A
INC CNTA ;下一列
MOV A,CNTA
CJNE A,#16,NEX ;不到16列則續(xù)繼
MOV CNTA,#00H
NEXT:
INC TIM ;TIM+1,顯示這一屏開(kāi)始計(jì)數(shù)
MOV A,TIM
CJNE A,#10,NEX ;一屏態(tài)顯示不到4次則續(xù)繼,屏態(tài)變化速度
MOV TIM,#00H
;************開(kāi)始下一屏顯示*******
INC CNTB ;下一屏開(kāi)始
MOV A,CNTB
CJNE A,#3,NEX ;共顯示4種屏態(tài)了嗎?
MOV CNTB,#00H ; 不斷重復(fù)這5種屏態(tài)
NEX:
RETI
DIGIT: ;送到P0口
DB 1EH,64H,88H,10H,20H,60H,70H,78H
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ID:185661 · 發(fā)表于 2017-4-27 08:48

值得學(xué)習(xí)，感謝分享

ID:213247 · 發(fā)表于 2017-6-21 11:07

值得學(xué)習(xí)，很有幫助，謝謝

ID:213247 · 發(fā)表于 2017-6-21 11:26

TIM EQU 30H
CNTA EQU 31H
CNTB EQU 32H
ORG 00H
LJMP START
ORG 0BH
LJMP T0X
ORG 0100H

START: MOV TIM,#00H
MOV CNTA,#00H
MOV CNTB,#00H
MOV TMOD,#01H
MOV TH0,#253
MOV TL0,#96
SETB TR0
SETB ET0
SETB EA
SJMP $
T0X: MOV TH0,#251
MOV TL0, #50
MOV A,CNTA
MOV P1,A
MOV DPTR,#DIGIT
MOV A,CNTB
MOV B,#16
MUL AB
ADD A,CNTA
MOV 33H,A
MOVC A,@A+DPTR
MOV P0,A
MOV A,33H
M0: MOV DPTR,#TAB
MOVC A,@A+DPTR
MOV P2,A
INC CNTA
MOV A,CNTA
CJNE A,#16, NEX
MOV CNTA,#00H
NEXT: INC TIM
MOV A,TIM
CJNE A,#10,NEX
MOV TIM , #00H
INC CNTB
MOV A,CNTB
CJNE A,#3,NEX
MOV CNTB,#00H
NEX: RETI
DIGIT: DB 1EH,64H,88H,10H,20H,60H,70H,78H
DB 7CH,0FEH,60H,90H,0B0H,90H,60H,40H
DB 00H,00H,00H,00H,80H,80H,40H,40H
DB 0C0H,40H,60H,90H,0B0H,90H,60H,40H
DB 00H,00H,00H,00H,00H,00H,80H,0C0H
DB 0C0H,0C0H,60H,90H,0B0H,90H,60H,40H
TAB: DB 40H,60H,60H,31H,2AH,24H,14H,14H
DB 12H,09H,04H,02H,01H,00H,00H,00H
DB 44H,66H,67H,37H,2FH,24H,12H,11H
DB 10H,08H,04H,02H,01H,00H,00H,00H
DB 40H,60H,60H,30H,28H,2FH,1FH,3FH
DB 7FH,0FFH,04H,06H,09H,11H,3EH,00H
END

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