51单片机模拟计算器数字输入及显示.docx
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51单片机模拟计算器数字输入及显示
51单片机模拟计算器数字输入及显示
23,模拟计算器数字输入及显示
1（实验任务
（1（开机时，显示“0”
（2（第一次按下时，显示“D1”;第二次按下时，显示“D1D2”;第三按
下时，显示“D1D2D3”，8个全显示完毕，再按下按键下时，给出“嘀”
提示音。
2（电路原理图
图4.23.1
3（系统板上硬件连线
（1（把“单片机系统”区域中的P1.0端口用导线连接到“音频放大模块”
区域中的SPKIN端口上;
andspecialtoolsforemergencyresponseequipmentandfacilities.Emergencypreparednessandresponseplan1）emergencyresponse
（1）Ifamajoraccidentoccurs,theprojectshouldsetupemergencyresponseteams,chairedbytheprojectmanager,headofproductionandsafetycoordinators,professionalforemanforthecrew,primarilyresponsiblefortheorderlyrescuewhenanemergencyoccursorprocessing,outsourcing,teammanagerandsupportstaff,assistingtheDeputyProjectManagerforrelatedauxiliarywork.
（2）aftertheaccident,theprojectmanagerisresponsibleforfieldcommander,advancetheestablishmentofemergencyresponseteampersonnel,accountability,seriouslyinjuredofficerssentoutrescue,haveprocedurestodealwithaccidents,incidents,maximumreductionincasualtiesandpropertyloss.（3）Ifanaccidentoccurs,pressDivisioninadvanceforemergencypersonnelcleared,concentratemanpowerandmaterialandfinancialresourcestorescuetheinjured,decreaseofthemaximumloss.（4）aftertheaccidentprocessingwork（5）identifiedthecauseoftheaccidentandthepersonresponsible.（6）thewrittenreporttothesupervisorinwriting,includingthetimeandplaceoftheaccident,injury（death）person'sname,sex,age,trades,injuries,injuries.（7）thedevelopmentofeffectivepreventivemeasurestopreventsuchaccidentsfromhappeningagain.（8）educationofallpersonneloftheorganization.（9）informedcriticismofthoseresponsible.（10）allpersonnelreadouttheresults,andresponsibledisposal.（11）maintenanceofemergencysupplies,maintenanceandtesting?
strengtheningtheday-to-daymanagementofthevariousfirefightingequipmentfire-fightingequipment,authoritiesshouldbestaffed,equippedwithfireextinguishers.Firehydrantsidentifiedpersonresponsibleforregularlyinspecting,testing,atanytimeingoodcondition.?
Guardmonthlycheck-fireextinguishersandfire-fightingequipment.?
onceeveryquarter,inspectionsandtestsofafirehydrantingoodcondition.2）,planstodevelop
（1）casualtiesoccurredinconstruction,suchasaccidentsoraccidentsofthedirecteconomic
（2（把“单片机系统“区域中的P3.0,P3.7端口用8芯排线连接到“4X4
行列式键盘”区域中的C1,C4R1,R4端口上;
（3（把“单片机系统”区域中的P0.0,P0.7端口用8芯排线连接到“动
态数码显示”区域中的A,H端口上;
（4（把“单片机系统:
区域中的P2.0,P2.7端口用8芯排线连接到“动
态数码显示”区域中的S1,S8端口上;
4（相关程序设计内容
（1（行列式键盘输入及按键功能设定;
（2（动态数码显示;
（3（数码显示方式处理;
5（汇编源程序
（略）
6（C语言源程序
#include
unsignedcharcode
dispcode[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,
0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71,0x00};
unsignedcharcode
dispbitcode[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};unsignedchardispbuf[8]={0,16,16,16,16,16,16,16};unsignedchardispbitcount;
unsignedchartemp;
unsignedchari,j;
unsignedcharkey;
unsignedcharkeypos;
bitalarmflag;
voidchange（unsignedchar*p,unsignedcharcount）andspecialtoolsforemergencyresponseequipmentandfacilities.Emergencypreparednessandresponseplan1）emergencyresponse
（1）Ifamajoraccidentoccurs,theprojectshouldsetupemergencyresponseteams,chairedbytheprojectmanager,headofproductionandsafetycoordinators,professionalforemanforthecrew,primarilyresponsiblefortheorderlyrescuewhenanemergencyoccursorprocessing,outsourcing,teammanagerandsupportstaff,assistingtheDeputyProjectManagerforrelatedauxiliarywork.
（2）aftertheaccident,theprojectmanagerisresponsibleforfieldcommander,advancetheestablishmentofemergencyresponseteampersonnel,accountability,seriouslyinjuredofficerssentoutrescue,haveprocedurestodealwithaccidents,incidents,maximumreductionincasualtiesandpropertyloss.（3）Ifanaccidentoccurs,pressDivisioninadvanceforemergencypersonnelcleared,concentratemanpowerandmaterialandfinancialresourcestorescuetheinjured,decreaseofthemaximumloss.（4）aftertheaccidentprocessingwork（5）identifiedthecauseoftheaccidentandthepersonresponsible.（6）thewrittenreporttothesupervisorinwriting,includingthetimeandplaceoftheaccident,injury（death）person'sname,sex,age,trades,injuries,injuries.（7）thedevelopmentofeffectivepreventivemeasurestopreventsuchaccidentsfromhappeningagain.（8）educationofallpersonneloftheorganization.（9）informedcriticismofthoseresponsible.（10）allpersonnelreadouttheresults,andresponsibledisposal.（11）maintenanceofemergencysupplies,maintenanceandtesting?
strengtheningtheday-to-daymanagementofthevariousfirefightingequipmentfire-fightingequipment,authoritiesshouldbestaffed,equippedwithfireextinguishers.Firehydrantsidentifiedpersonresponsibleforregularlyinspecting,testing,atanytimeingoodcondition.?
Guardmonthlycheck-fireextinguishersandfire-fightingequipment.?
onceeveryquarter,inspectionsandtestsofafirehydrantingoodcondition.2）,planstodevelop
（1）casualtiesoccurredinconstruction,suchasaccidentsoraccidentsofthedirecteconomic
{
while（count>0）
{
*（p+count）=*（p+count-1）;
count--;
}
}
voidmain（void）
{
TMOD=0x01;
TH0=（65536-4000）/256;
TL0=（65536-4000）%256;
TR0=1;
ET0=1;
EA=1;
while
（1）
{
P3=0xff;
P3_4=0;
temp=P3;
temp=temp&0x0f;
if（temp!
=0x0f）
{
for（i=50;i>0;i--）
for（j=200;j>0;j--）;
temp=P3;
temp=temp&0x0f;andspecialtoolsforemergencyresponseequipmentandfacilities.Emergencypreparednessandresponseplan1）emergencyresponse
（1）Ifamajoraccidentoccurs,theprojectshouldsetupemergencyresponseteams,chairedbytheprojectmanager,headofproductionandsafetycoordinators,professionalforemanforthecrew,primarilyresponsiblefortheorderlyrescuewhenanemergencyoccursorprocessing,outsourcing,teammanagerandsupportstaff,assistingtheDeputyProjectManagerforrelatedauxiliarywork.
（2）aftertheaccident,theprojectmanagerisresponsibleforfieldcommander,advancetheestablishmentofemergencyresponseteampersonnel,accountability,seriouslyinjuredofficerssentoutrescue,haveprocedurestodealwithaccidents,incidents,maximumreductionincasualtiesandpropertyloss.（3）Ifanaccidentoccurs,pressDivisioninadvanceforemergencypersonnelcleared,concentratemanpowerandmaterialandfinancialresourcestorescuetheinjured,decreaseofthemaximumloss.（4）aftertheaccidentprocessingwork（5）identifiedthecauseoftheaccidentandthepersonresponsible.（6）thewrittenreporttothesupervisorinwriting,includingthetimeandplaceoftheaccident,injury（death）person'sname,sex,age,trades,injuries,injuries.（7）thedevelopmentofeffectivepreventivemeasurestopreventsuchaccidentsfromhappeningagain.（8）educationofallpersonneloftheorganization.（9）informedcriticismofthoseresponsible.（10）allpersonnelreadouttheresults,andresponsibledisposal.（11）maintenanceofemergencysupplies,maintenanceandtesting?
strengtheningtheday-to-daymanagementofthevariousfirefightingequipmentfire-fightingequipment,authoritiesshouldbestaffed,equippedwithfireextinguishers.Firehydrantsidentifiedpersonresponsibleforregularlyinspecting,testing,atanytimeingoodcondition.?
Guardmonthlycheck-fireextinguishersandfire-fightingequipment.?
onceeveryquarter,inspectionsandtestsofafirehydrantingoodcondition.2）,planstodevelop
（1）casualtiesoccurredinconstruction,suchasaccidentsoraccidentsofthedirecteconomic
if（temp!
=0x0f）
{
temp=P3;
temp=temp&0x0f;
switch（temp）
{
case0x0e:
key=7;
break;
case0x0d:
key=8;
break;
case0x0b:
key=9;
break;
case0x07:
key=10;
break;
}
if（（key>=0）&&（key<10））
{
keypos++;
if（keypos<8）
{
change（dispbuf,keypos）;
dispbuf[0]=key;
}
andspecialtoolsforemergencyresponseequipmentandfacilities.Emergencypreparednessandresponseplan1）emergencyresponse
（1）Ifamajoraccidentoccurs,theprojectshouldsetupemergencyresponseteams,chairedbytheprojectmanager,headofproductionandsafetycoordinators,professionalforemanforthecrew,primarilyresponsiblefortheorderlyrescuewhenanemergencyoccursorprocessing,outsourcing,teammanagerandsupportstaff,assistingtheDeputyProjectManagerforrelatedauxiliarywork.
（2）aftertheaccident,theprojectmanagerisresponsibleforfieldcommander,advancetheestablishmentofemergencyresponseteampersonnel,accountability,seriouslyinjuredofficerssentoutrescue,haveprocedurestodealwithaccidents,incidents,maximumreductionincasualtiesandpropertyloss.（3）Ifanaccidentoccurs,pressDivisioninadvanceforemergencypersonnelcleared,concentratemanpowerandmaterialandfinancialresourcestorescuetheinjured,decreaseofthemaximumloss.（4）aftertheaccidentprocessingwork（5）identifiedthecauseoftheaccidentandthepersonresponsible.（6）thewrittenreporttothesupervisorinwriting,includingthetimeandplaceoftheaccident,injury（death）person'sname,sex,age,trades,injuries,injuries.（7）thedevelopmentofeffectivepreventivemeasurestopreventsuchaccidentsfromhappeningagain.（8）educationofallpersonneloftheorganization.（9）informedcriticismofthoseresponsible.（10）allpersonnelreadouttheresults,andresponsibledisposal.（11）maintenanceofemergencysupplies,maintenanceandtesting?
strengtheningtheday-to-daymanagementofthevariousfirefightingequipmentfire-fightingequipment,authoritiesshouldbestaffed,equippedwithfireextinguishers.Firehydrantside
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