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vhdl多功能數(shù)字萬(wàn)年歷
全部源代碼，已調(diào)試成功
基本要求：采用VHDL硬件描述語(yǔ)言或者電路圖描述的方式完成設(shè)
計(jì)。
1)設(shè)計(jì)一個(gè)萬(wàn)年歷系統(tǒng)，可現(xiàn)實(shí)從秒到年的計(jì)數(shù)功能；
2)由于開僅具備四位數(shù)碼管，因此需要進(jìn)行功能切換，即利用開
發(fā)板上的一個(gè)按鍵完成小時(shí)/分鐘月/日、年等三種顯示的切換。
3)秒計(jì)數(shù)采用開發(fā)板上獨(dú)立的LED以秒閃進(jìn)行顯示；
4)同時(shí)切換設(shè)置模式與顯示模式(一個(gè)按鍵完成切換)，完成每個(gè)
顯示的增減設(shè)置(兩個(gè)按鍵實(shí)現(xiàn)增減)。
說明：基本要求不需要提供閏月識(shí)別功能。
發(fā)揮要求：
1)提供整點(diǎn)時(shí)間報(bào)警功能；
2)提供鬧鐘功能；
3)提供閏月檢測(cè)功能；
4)以7個(gè)獨(dú)立的LED顯示星期。
全部源代碼如下，已調(diào)試成功
1,將50mhz轉(zhuǎn)為1ms時(shí)鐘count
LIBRARYIEEE;
USEIEEE.STD_LOGIC_1164.ALL;
USEIEEE.STD_LOGIC_UNSIGNED.ALL;
ENTITYcountIS
PORT(clk:INSTD_LOGIC;
co:OUTSTD_LOGIC);
ENDcount;
ARCHITECTUREbehavOFcountIS
signalcount1:integerrange0to49999;
BEGIN
PROCESS(clk)
BEGIN
IFrising_edge(clk)THEN
count!<=countl+l;
ifcount1=49999then
countl<=0;co<='l';
elseco<='0';
endif;
endif;
endprocess;
endbehav;
2.秒模塊
LIBRARYIEEE;
USEIEEE.STD_LOGIC_1164.ALL;
USEIEEE.STD_LOGIC_UNSIGNED.ALL;
ENTITYsecondIS
PORT(clk:INSTD_LOGIC;
sec:OUTintegerrange0to59;
miao:outstd_logic;
co:OUTSTD_LOGIC);
ENDsecond;
ARCHITECTUREbehavOFsecondIS
signalsect:integerrange0to59;
signaltemp:integerrange0to1000;
BEGIN
process(clk)
begin
IFrising_edge(clk)THEN
iftemp=1000thentemp<=0;
ifsect=59then
sect<=0;co<=T;
elsesect<=sect+l;co<='0';
endif;
elsetemp<=temp+1;co<='0';
endif;
endif;
endprocess;
process(temp,sect)
begin
iftemp<500then
miao<='l';
elsemiao<='0';
endif;
sec<=sect;
endprocess;
endbehav;
3?分模塊
LIBRARYIEEE;
USEIEEE.STD_LOGIC_1164.ALL;
USEIEEE.STD_LOGIC_UNSIGNED.ALL;
ENTITYcentIS
PORT(clk,seco,centkeyadd,centkeysub:INSTD_LOGIC;
cent:outintegerrange0to59;
co:OUTSTD_LOGIC);
ENDcent;
ARCHITECTUREbehavOFcentIS
signalcentt:integerrange0to59;
begin
process(clk,seco)
begin
ifrising_edge(clk)then
ifseco='l'then
ifcentt=59thencentt<=0;co<='l';
elsecentt<=centt+l;co<='0';
endif;
elsifcentkeyadd='O'then
ifcentt=59thencentt<=0;
elsecentt<=centt+1;
endif;
elsifcentkeysub='O'then
ifcentt=Othencentt<=59;
elsecentt<=centt-1;
endif;
elseco<='0';
endif;
endif;
endprocess;
cent<=centt;
endbehav;
4時(shí)模塊
LIBRARYIEEE;
USEIEEE.STD_LOGIC_1164.ALL;
USEIEEE.STD_LOGIC_UNSIGNED.ALL;
ENTITYhourIS
PORT(clk,cento,hourkeyadd,hourkeysub:INSTD_LOGIC;
hour:outintegerrange0to23;
co:OUTSTD_LOGIC);
ENDhour;
ARCHITECTUREbehavOFhourIS
signalhourt:integerrange0to59:=9;
begin
process(clk,cento)
begin
ifrising_edge(clk)then
ifcento=Tthen
ifhourt=23thenhourt<=0;co<='l';
elsehourt<=hourt+1;co<='0';
endif;
elsifhourkeyadd='0'then
ifhourt=23thenhourt<=0;
elsehourt<=hourt+1;
endif;
elsifhourkeysub='0'then
ifhourt=0thenhourt<=23;
elsehourt<=hourt-1;
endif;
elseco<='0';
endif;
endif;
endprocess;
hour<=hourt;
endbehav;
5.日模塊
LIBRARYIEEE;
USEIEEE.STD_LOGIC_1164.ALL;
USEIEEE.STD_LOGIC_UNSIGNED.ALL;
ENTITYdayIS
PORT(clk,houro,daykeyadd,daykeysub:INSTD_LOGIC;
yue:inintegerrange1to31;
day:OUTintegerrange1to31;
co:OUTSTD_LOGIC);
ENDday;
ARCHITECTUREbehavOFdayIS
signaldayt:integerrange0to31:=24;
signalyuet:integerrange1to31;
begin
yuet<=yue;
process(clk,houro)
begin
ifrising_edge(clk)then
ifhouro=Tthen
ifdayt=yuetthendayt<=0;co<=T;
elsedayt<=dayt+1;
endif;
elsifdaykeyadd='O'then
ifdayt=yuetthendayt<=0;
elsedayt<=dayt+1;
endif;
elsifdaykeysub='O'then
ifdayt=Othendayt<=yuet;
elsedayt<=dayt-1;
endif;
elseco<='0';
endif;
endif;
endprocess;
day<=dayt;
endbehav;
6.月模塊
LIBRARYIEEE;
USEIEEE.STD_LOGIC_1164.ALL;
USEIEEE.STD_LOGIC_UNSIGNED.ALL;
ENTITYmonthIS
PORT(clk,dayo,monthkeyadd,monthkeysub,run:INSTD_LOGIC;
month:outintegerrange1to12;
yue:outintegerrange1to31;
co:OUTSTD_LOGIC);
ENDmonth;
ARCHITECTUREbehavOFmonthIS
signalmontht:integerrange1to12:=2;
begin
process(clk,dayo)
begin
ifrising_edge(clk)then
ifdayo='l'then
ifmontht=12thenmontht<=1;co<='1';
elsemontht<=montht+1;
endif;
elsifmonthkeyadd='0'then
ifmontht=12thenmontht<=1;
elsemontht<=montht+1;
endif;
elsifmonthkeysub='0'then
ifmontht=lthenmontht<=12;
elsemontht<=montht-1;
endif;
elseco<='0';
endif;
endif;
endprocess;
month<=montht;
—閏月檢測(cè)功能
process(montht,run)
begin
CASEmonthtIS
WHEN2=>ifrun='1'thenyue<=29;elseyue<=28;endif;——二月
WHEN3=>yue<=30;
—四月
WHEN6=>yue<=30;
-六月
WHEN9=>yue<=30;
WHENll=>yue<=30;
-H~月
WHENothers=>yue<=31;
ENDCASE;
ENDPROCESS;
ENDbehav;
3?年模塊
LIBRARYIEEE;
USEIEEE.STD_LOGIC_1164.ALL;
USEIEEE.STD_LOGIC_UNSIGNED.ALL;
ENTITYyearIS
PORT(clk,montho,yearkeyadd,yearkeysub:INSTD_LOGIC;
year:outintegerrange0to99;
run:OUTSTD_LOGIC);
ENDyear;
ARCHITECTUREbehavOFyearIS
signalyeart:integerrange0to59:=13;
begin
process(clk,montho)
begin
ifrising_edge(clk)then
ifmontho='rthen
ifyeart=59thenyeart<=0;
elseyeart<=yeart+l;
endif;
elsifyearkeyadd='O'then
ifyeart=59thenyeart<=0;
elseyeart<=yeart+1;
endif;
elsifyearkeysub='O'then
ifyeart=Othenyeart<=59;
elseyeart<=yeart-1;
endif;
endif;
endif;
endprocess;
year<=yeart;
process(yeart)
begin
if(yeartmod4)=0then
run<='l';
elserun<='0';
endif;
endprocess;
endbehav;
9.顯示模塊
-顯示模塊
LIBRARYIEEE;
USEIEEE.STD_LOGIC_1164.ALL;
USEIEEE.STD_LOGIC_UNSIGNED.ALL;
ENTITYdisplayIS
PORT(
sec,cent:inintegerrange0to59;
hour:inintegerrange0to23;
day:inintegerrange1to31;
month:inintegerrange1to12;
year:inintegerrange0to99;
cento,houro,elk,keyO,keyI,key2,key3:INSTD_LOGIC;
dis:OUTSTD_LOGIC_VECTOR(7DOWNTO0);
centkeyadd,centkeysub,hourkeyadd,hourkeysub,daykeyadd,daykeysu
b,monthkeyadd,monthkeysub:outstd_logic;--力口減控制輸出
yearkeyadd,yearkeysub:outstd_logic;
dis1en,dis2en,dis3en,dis4en,beep:outstd_logic;--數(shù)碼管使能，設(shè)
置指示，蜂鳴器輸出
ledweekend:outstd_logic_vector(6downto0));
ENDdisplay;
ARCHITECTUREbehavOFdisplayIS
typestate_typeis(sO,sI,s2,s3,s4);
signalpre_s,next_s:state_type;
typestateis(cl,c2,c3,c4);
signalpre_c,next_c:state;
constantledO:std_logic_vector(7downto0):="l1000000";
constantledl:std_logic_vector(7downto0):="11111001";
constantled2:std_logic_vector(7downto0):="10100100";
constantled3:std_logic_vector(7downto0):="10110000";
constantled4:std_logic_vector(7downto0):="10011001";
constantled5:std_logic_vector(7downto0):="10010010";
constantled6:std_logic_vector(7downto0):="10000010";
constantled7:std_logic_vector(7downto0):="l1111000";
constantled8:std_logic_vector(7downto0):="10000000";
constantled9:std_logic_vector(7downto0):="10010000";
signalcount1:integerrange0to99;
signalcount2:integerrange0to99;
signalcount3:integerrange0to99;
signalcount4:integerrange0to99;
signalset:std_logic_vector(1downto0):="00";
signalweekend:std_logic_vector(6downto0):="0000001";
signalacentadd,acentsub,ahouradd,ahoursub:std_logic:='0';
signalahour,acent,centadd,centsub,houradd,hoursub:integerrange0to
59;
signalweekendset:std_logic:='1
signal
centl,centh,hourl,hourh,dayl,dayh,monthl,monthh,yearl,yearh:integer
range0to9;
signalsec1,sec2,sec3,sec4,acentl,acenth,ahourl,ahourh:integerrange0
to9;
begin
--界nn轉(zhuǎn)換狀態(tài)機(jī)
process(keyO)
begin
iffalling_edge(keyO)then
pre_s<=next_s;
endif;
endprocess;
-掃描狀態(tài)機(jī)
process(clk)
begin
ifrising_edge(clk)then
pre_c<=next_c;
endif;
endprocess;
process(keyl)
begin
iffalling_edge(key1)then
ifset=2then
set<="00";
else
set<=set+l;
endif;
endif;
endprocess;
centl<=centmod10;centh<=cent/10;
hourl<=hourmod10;hourh<=hourh/10;
dayl<=daymod10;dayh<=day/10;
monthl<=monthmod10;monthh<=month/10;
yearl<=yearmod10;yearh<=year/l0;
acentl<=acentmod10;acenth<=acent/10;
ahourl<=ahourmod10;ahourh<=ahourh/10;
-顯示切換狀態(tài)機(jī)
Pl：
process(pre_s,set,centl,centh,hourl,hourh,dayl,dayh,monthl,monthh,yearl,
yearh,key2,key3,acentl,acenth,ahourl,ahourh)
begin
casepre_sis
whensO=>count4<=centl;count3<=centh;--顯示時(shí)鐘
count2<=hourl;countl<=hourh;
next_s<=s1;weekendset<=T;
daykeyadd<='1';daykeysub<='l';monthkeyadd<='l';monthkeysub<='1';
yearkeyadd<='1';yearkeysub<='1';
acentadd<='l';acentsub<='1';ahouradd<='1';ahoursub<='1
ifset=1then
centkeyadd<=key2;centkeysub<=key3;hourkeyadd<='r；hourkeysub<='l'
elsifset=2then
hourkeyadd<=key2;hourkeysub<=key3;centkeyadd<='l';centkeysub<='1'
elsecentkeyadd<='r；centkeysub<='l';
hourkeyadd<='1';hourkeysub<=T;
endif;
whensl=>count4<=dayl;count3<=dayh;--顯示日期
count2<=monthl;countl<=monthh;
next_s<=s2;weekendset<='1';
centkeyadd<='l';centkeysub<='1';hourkeyadd<='1';hourkeysub<='1';
yearkeyadd<='1';yearkeysub<='1';
acentadd<='l';acentsub<='1';ahouradd<='1';ahoursub<='1
ifset=lthen
daykeyadd<=key2;daykeysub<=key3;monthkeyadd<='l';monthkeysub<=
T；
elsifset=2then
monthkeyadd<=key2;monthkeysub<=key3;daykeyadd<='r；daykeysub<=
T;
elsedaykeyadd<='1';daykeysub<='1';monthkeyadd<='1';monthkeysub<='1
?.
endif;
whens2=>count4<=yearl;count3<=yearh;--顯示年份
count2<=0;count1<=2;
next_s<=s3;weekendset<='l';
daykeyadd<='l';daykeysub<='l';monthkeyadd<='1';monthkeysub<='1';
centkeyadd<=T;centkeysub<='1';hourkeyadd<='1';hourkeysub<='1';
acentadd<='l';acentsub<='1ahouradd<='1';ahoursub<='1
ifset=lorset=2thenyearkeyadd<=key2;yearkeysub<=key3;
elseyearkeyadd<='1';yearkeysub<='1
endif;
whens3=>count4<=l;count3<=l;--星期控制狀態(tài)
count2<=1;count1<=1;
next_s<=s4;
daykeyadd<='1';daykeysub<='l';monthkeyadd<='l';monthkeysub<='1';
centkeyadd<='l';centkeysub<='1';hourkeyadd<='1';hourkeysub<='1';
acentadd<='l';acentsub<='1';ahouradd<='1';ahoursub<='1
yearkeyadd<='1';yearkeysub<='1weekendset<='O';
whens4=>count4<=acentl;count3<=acenth;--鬧鐘設(shè)置
狀態(tài)
count2<=ahourl;countl<=ahourh;
next_s<=sO;
daykeyadd<='1';daykeysub<='l';monthkeyadd<='l';monthkeysub<='1';
centkeyadd<='l';centkeysub<='1';hourkeyadd<='1';hourkeysub<='1';
yearkeyadd<='1';yearkeysub<='1weekendset<='1
ifset=lthenacentadd<=key2;acentsub<=key3;
ahouradd<='r；ahoursub<='l';
elsifset=2then
ahouradd<=key2;ahoursub<=key3;acentadd<='l';acentsub<=T;
elseacentadd<='1';acentsub<='l';ahouradd<='r；ahoursub<='l';
endif;
endcase;
endprocess;
-鬧鐘功能
process(clk,acent,centadd,centsub)
begin
ifrising_edge(clk)then
ifacent=59then
acent<=0;
else
acent<=centadd-centsub;
endif;
endif;
endprocess;
process(acentadd)
begin
iffalling_edge(acentadd)then
ifacent<60then
centadd<=centadd+1;
elsecentadd<=0;
endif;
endif;
endprocess;
process(acentsub)
begin
iffalling_edge(acentsub)then
ifacent<60then
ifacent>0then
centsub<=centsub+1;
elsenull;
endif;
elsecentsub<=0;
endif;
endif;
endprocess;
process(clk,ahour,houradd,hoursub)
begin
ifrising_edge(clk)then
ifahour=23then
ahour<=0;
elseahour<=houradd-hoursub;
endif;
endif;
endprocess;
process(ahouradd)
begin
iffalling_edge(ahouradd)then
ifahour<23then
houradd<=houradd+1;
elsehouradd<=0;
endif;
endif;
endprocess;
process(ahoursub)
begin
iffalling_edge(ahoursub)then
ifahour<23then
ifahour>0then
hoursub<=hoursub+l;
elsenull;
endif;
elsehoursub<=0;
endif;
endif;
endprocess;
-鬧鐘
process(clk,cent,hour,acent,ahour)
variableacount:integerrange0to30;
begin
ifrising_edge(clk)then
ifacent=centandahour=hourthen
beep<='0';
elsifcento=Tthen
beep<='0';
elsebeep<=T;
endif;
endif;
endprocess;
-星期顯示和設(shè)置
process(weekendset,clk,key2,key3)
begin
ifrising_edge(clk)then
ifweekend="0000000"then
weekend<="0000001";
elsifhouro=Tthen
weekend<=weekend(5downto0)&'0';
elsifweekendset='O'then
ifkey2='O'then
weekend<=weekend(5downto0)&'0';
elsifkey3='O'then
weekend<='0'&weekend(6downto1);
endif;
elsenull;
endif;
endif;
endprocess;
ledweekend<=weekend;
p3:process(pre_c,count4,count3,count2,countl)
begin
casepre_cis
whencl=>next_c<=c2;
dis1en<='1';dis2en<='l';dis3en<='l';dis4en<='0';
casecount4is
when0=>dis<=ledO;
when1=>dis<=ledl;
when2=>dis<=led2;
when3=>dis<=led3;
when4=>dis<=led4;
when5=>dis<=led5;
when6=>dis<=led6;
when7=>dis<=led7;
when8=>dis<=led8;
when9=>dis<=led9;
whenothers=>dis<=ledO;
endcase;
whenc2=>
next_c<=c3;
dislen<='l';dis2en<='1';dis3en<='0';dis4en<='1';
casecount3is
when0=>dis<=ledO;
when1=>dis<=ledl;
when2=>dis<=led2;
when3=>dis<=led3;
when4=>dis<=led4;
when5=>dis<=led5;
when6=>dis<=led6;
when7=>dis<=led7;
when8=>dis<=led8;
when9=>dis<=led9;
whenothers=>dis<=ledO;
endcase;
whenc3=>
next_c<=c4;
dis1en<='1';dis2en<='0';dis3en<='l';dis4en<='1';
casecount?is
when0=>dis<=ledO;
when1=>dis<=ledl;
when2=>dis<=led2;
when3=>dis<=led3;
when4=>dis<=led4;
when5=>dis<=led5;
when6=>dis<=led6;
when7=>dis<=led7;
when8=>dis<=led8;
when9=>dis<=led9;
whenothers=>dis<=ledO;
endcase;
whenc4=>
next_c<=cl;
dis1en<='0';dis2en<='1';dis3en<='l';dis4en<='1';
casecount1is
when0=>dis<=ledO;
when1=>dis<=ledl;
when2=>dis<=led2;
when3=>dis<=led3;
when4=>dis<=led4;
when5=>dis<=led5;
when6=>dis<=led6;
when7=>dis<=led7;
when8=>dis<=led8;
when9=>dis<=led9;
whenothers=>dis<=ledO;
endcase;
endcase;
endprocess;
endbehav;
10.頂層文件
LIBRARYIEEE;
USEIEEE.STD_LOGIC_1164.ALL;
USEIEEE.STD_LOGIC_UNSIGNED.ALL;
ENTITYcalendarIS
PORT(clk,keyO,key1,key2,key3:INSTD_LOGIC;
disIen,dis2en,dis3en,dis4en,setled,beep:outstd_logic;
dis:OUTSTD_LOGIC_VECTOR(7DOWNTO0);
ledweekend:outstd_logic_vector(6downto0));
ENDcalendar;
ARCHITECTUREbehavOFcalendarIS
componentkey
PORT(CLK,kin:INSTD_LOGIC;
kout:OUTSTD_LOGIC);
ENDcomponent;
componentcount
PORT(clk:INSTD_LOGIC;
co:OUTSTD_LOGIC);
ENDcomponent;
componentsecond
PORT(clk:INSTD_LOGIC;
sec:OUTintegerrange0to59;
miao:outstd_logic;
co:OUTSTD_LOGIC);
ENDcomponent;
componentcent
PORT(clk,seco,centkeyadd,centkeysub:INSTD_LOGIC;
cent:outintegerrange0to59;
co:OUTSTD_LOGIC);
ENDcomponent;
componenthour
PORT(clk,cento,hourkeyadd,hourkeysub:INSTD_LOGIC;
hour:outintegerrange0to23;
co:OUTSTD_LOGIC);
ENDcomponent;
componentday
PORT(elk,houro,daykeyadd,daykeysub:INSTD_LOGIC;
yue:inintegerrange1to31;
day:OUTintegerrange1to31;
co:OUTSTD_LOGIC);
ENDcomponent;
componentmonth
PORT(clk,dayo,monthkeyadd,monthkeysub,run:INSTD_LOGIC;
month:outintegerrange1to12;
yue:outintegerrange1to31;
co:OUTSTD_LOGIC);
ENDcomponent;
componentyear
PORT(clk,montho,yearkeyadd,yearkeysub:INSTD_LOGIC;
year:outintegerrange0to99;
run:OUTSTD_LOGIC);
ENDcomponent;
componentdisplay
PORT(
sec,cent:inintegerrange0to59;
hour:inintegerrange0to23;
day:inintegerrange1to31;
monthrinintegerrange1to12;
year:inintegerrange0to99;
cento,houro,elk,keyO,keyI,key2,key3:INSTD_LOGIC;
dis:OUTSTD_LOGIC_VECTOR(7DOWNTO0);
centkeyadd,centkeysub,hourkeyadd,hourkeysub,daykeyadd,daykeysu
b,monthkeyadd,monthkeysub:outstd_k)gic;--加減控制輸出
yearkeyadd,yearkeysub:outstd_logic;
dis1en
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