基于-单片机8路抢答器设计

1.1

1.2

动钮立即并LED扬声出音此外封输入电止他发挥局部1.且可以由如30秒动立并扬声发声秒间间并止如间次并输入电路止间00如FF

电路555电"所如果没问完全话做教师指导下选proteus6.9keil进第三章

3.1总根据答根如下：图3-1总如图3-1P3.0开抢答P3.2为P1.0-P1.7为抢答选0选2为P3.6为P3.3为1图3选,*TAL23V,:进C1,C2为30PF9RST,4:3-3,,,,,3-44.1.5

常开开关3-5键这常开开关组成键简也杂消"这法延法原："毛刺〞脉冲般短ms键般这,键(这里10ms)原,键这里产生延〞〞系统始化模块法答显示N模块显示系统始化模块法答显示N模块显示间序初化R1增R1置按键发声

4.14-14.2按键块T00非确P3.7抢答模模定时值块

整间模块T1铃标为计值0回主数加1键下N4-5N

R1到

备，示Y减1键按下P3.1NR1到0.P0P2P3.6

答N

回键下

R11

R1置9ORG0000HAJMPMAINORG0003HAJMPINT0SUBORG000BHAJMPT0INTORG001BHAJMPT1INTOKEQU20H;RINGEQU22H;ORG0040HMAIN:MOVR1,*0FH;15sMOVR2,*0AH;10sMOVTMOD,*11H;/1MOVTH0,*0F0HMOVTL0,*0FFH;,MOVTH1,*3CHMOVTL1,*0B0H;50msSETBEASETBET0SETBET1SETBE*0SETBE*1;,T0/T1/INT0/INT1CLROKCLRRINGSETBTR1SETB,,TH1/TL1:START:MOVR5,*0BHMOVR4,*0BHMOVR3,*0BHACALLDISPLAY;FFFACALLP3.0,NE*T;,"ACALLBARK;MOVA,R1MOVR6,A;,MOV,COUNT;COUNTJNBP1.0,FALSE1P1.1,FALSE2P1.2,FALSE3P1.3,FALSE4P1.4,FALSE5P1.5,FALSE6P1.6,FALSE7P1.7,FALSE8START:():COUNT:MOVR0,*00H;MOVTH1,*3CHMOVTL1,*0B0HRECOUNT:MOVA,R6;R6MOVB,*0AHDIVAB;/MOV30H,A;(30H)MOV31H,B;(31H)MOVR5,30H;MOVR4,31H;MOVA,R6CLRCJNC5sLARGER,5sMOVA,*0AH,FULL;1s0.5sCLRA,*14H,CHECK;1s,R0,MOVMOV1MOVCJNEA,*14H,CHECK;1s,"/DECR6;R6MOVR0,*00HCHECK:JNBP3.1,QUIT;ACALLDISPLAYJNBP1.0,TRUE1JNBP1.1,TRUE2JNBP1.2,TRUE3JNBP1.3,TRUE4JNBP1.4,TRUE5JNBP1.5,TRUE6JNBP1.6,TRUE7JNBP1.7,TRUE8AJMPRECOUNTQUIT:CLROK;"CLRRINGACALLBARKAJMPSTARTTRUE1:ACALLBARK;MOVA,R2MOVR6,A;R2R6MOVR3,*01HCLROK;AJMPLOOP2TRUE2:ACALLBARK;A,R2R6,AR3,*02HCLROKAJMPLOOP2TRUE3:ACALLBARK;A,R2R6,AR3,*03HCLROKAJMPLOOP2TRUE4:ACALLBARK;A,R2R6,AR3,*04HCLROKAJMPLOOP2TRUE5:ACALLBARK;A,R2R6,AR3,*05HCLROKAJMPLOOP2TRUE6:ACALLBARK;A,R2R6,AMOVR3,*06HCLROKAJMPLOOP2TRUE7:ACALLBARK;MOVA,R2MOVR6,AMOVR3,*07HCLROKAJMPLOOP2TRUE8:ACALLBARK;MOVA,R2MOVR6,AMOVR3,*08HCLROKLOOP2:AJMPDISPLAY;SETBRINGJNBP3.1:;R4,*0BH;FFCLRRING

"CLROKAJMPSTART:DISPLAY:MOV,/P2MOVMOVMOVMOVMOVMOVMOVMOVMOVMOVRET;"MOVLOOP0:ACALLDISPLAYDJNZ35H,LOOP0RET():DELAY:MOV32H,*12HLOOP:MOV33H,*0AFHLOOP1:DJNZ33H,LOOP1DJNZ32H,LOOPRET:BARK:SETBRINGACALLACALLCLRRING;RETINT0(R1A,R1MOVB,*0AHDIVABMOVR5,AMOVR4,BMOVACALLDISPLAYLEDJNBP3.2,INC0;P3.2+1sINCOJNBP3.3,DEC0;P3.3,JNBP3.4,BACK0;P3.4,BACKOAJMPINT0SUBINC0:MOVA,R1CJNEA,*63H,ADD0;1,99MOVR1,*