模拟交通灯控制完整系统文档格式.docx

模拟交通灯控制完整系统文档格式.docx

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6）要求为该系统设计一个直流5V单电源供电的稳压电路，保障系统的正常运行。

4、电路原理图

5、参考电路板图

6、装配图

7、制作实物照片

8、参考程序

ORG0000H

LJMPMAIN

ORG000BH;

T0中断服务程序入口

LJMPT0FW

ORG0030H

MAIN:

MOV30H,#15

MOV40H,#15

MOV36H,#00H

MOV46H,#0FFH

MOVTMOD,#01H

MOVTH0,#3CH

MOVTL0,#0B0H

MOVR1,#20

SETBET0

SETBEA

SETBTR0

STAR:

ACALLDISP

ACALLDEL

AJMPSTAR

DISP:

PUSHA

MOVDPTR,#TAB

MOVA,40H

MOVB,#10

DIVAB

MOV50H,A

MOV51H,B

MOV54H,A

MOV55H,B

MOVA,30H

MOV52H,A

MOV53H,B

MOV56H,A

MOV57H,B

MOVR5,#8

MOVR0,#50H

LOOP:

MOVA,@R0

MOVCA,@A+DPTR

MOVSBUF,A

JNBTI,$

CLRTI

INCR0

DJNZR5,LOOP

MOVR2,36H

CJNER2,#0,N1;

36H=1,跳到N1,绿灯亮

CLRP1.0;

否则36H=0,红灯亮

CLRP2.0

SETBP1.1

SETBP2.1

SETBP1.2

SETBP2.2

AJMPN2

N1:

CLRP1.2;

N1,绿灯亮

CLRP2.2

SETBP1.0

SETBP2.0

N2:

MOVR2,30H

CJNER2,#3,N3;

30H>

<

3,跳到N3,

CLRP1.1;

否则30H=3,黄灯亮

CLRP2.1

clrP3.2

SETBP3.2

N3:

CJNER2,#2,N4;

2,跳到N4,

否则30H=2,黄灯亮

N4:

CJNER2,#1,N5;

1,跳到N5,

否则30H=1,黄灯亮

N5:

MOVR2,46H

CJNER2,#0,N6;

46H=1,跳到N6,绿灯亮

CLRP1.5;

否则46H=0,红灯亮

CLRP2.5

SETBP1.4

SETBP2.4

SETBP1.3

SETBP2.3

AJMPN7

N6:

CLRP1.3;

N6,绿灯亮

CLRP2.3

SETBP1.5

SETBP2.5

N7:

MOVR2,40H

CJNER2,#3,N8;

40H>

3,跳到N8,

CLRP1.4;

否则40H=3,黄灯亮

CLRP2.4

N8:

CJNER2,#2,N9;

2,跳到N9,

否则40H=2,黄灯亮

N9:

CJNER2,#1,N10;

1,跳到N10,

否则40H=1,黄灯亮

N10:

POPA

RET

TAB:

DB11H,0D7H,32H,92H,0D4H

DB98H,18H,0D3H,10H,90H,0C4H

DEL:

MOVR7,#200;

125.775mS

DEL1:

MOVR6,#240

DJNZR6,$

DJNZR7,DEL1

T0FW:

DJNZR1,EXIT0

CLREA

DJNZ30H,M1

MOVA,36H

CPLA

mov36H,A

;

AJMPEXIT

M1:

DJNZ40H,EXIT

MOVA,46H

mov46H,A

EXIT:

EXIT0:

RETI

END