Proiect Uc Cornelia

7/24/2019 Proiect Uc Cornelia

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Universitatea Politehnica BucurestiFacultatea Transporturi

Catedra Telecomenzi si Electronica in Transporturi

PROIECT MICROCONTROLERE

utori! Indrumator!BURCETE Cornelia

Grupa 8312 As. Inginer NICULESCU

Mihai

ENACE An!a

Grupa 8311

N UNI"ER#ITR


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$%%&'$%(%

Cuprins!

Capitolul (! Tema Proiect

Capitolul $! Proiectare hardware

2.1: Schema bloc2.2: Descriere blocuri

2.3: Schema electrica generala

Capitolul )! Proiectare software

3.1: Descriere generala3.2: Schema logica

3.3: Listing software

Capitolul *! Bibliografie


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Capitolul (! Tema Proiect

Ceas i calendar !rogramabil !rin interfata seriala de catre un PC."rae#acta si data se $or transmite la cerere catre PC.


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Capitolul $! Proiectarea +ard,are

$-( #chema .loc


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2.2 Descriere blocuri

Tme/a (0

%Tmega 1& este un microcontroller C'"S de ( biti de mica !utereba)at !e arhitectura *+SC %,* -mbunt/it. Dis!une de un set de 131 de

instructiuni si 32 de regitrii de u) general. Cele 32 de registre sunt direct

adresabile de 0nitatea Logic i %ritmetic %L0 !ermi/4nd accesarea adou registre inde!endente -ntr5o singur instruc/iune. Se ob/ine astfel o

eficien/ s!orit -n e#ecu/ie de !4n la )ece ori mai ra!ide dec4tmicrocontrorelerele con$en/ionale C+SC.

Caracteristicile !rinci!ale ale acestuia sunt:

5 1&6B de memorie 7lash reinscri!tibil !entru stocarea !rogramelor 85 16B de memorie *%' 8

5 912B de memorie P*"' 8

5 dou numrtoare;tem!ori)atoare de ( bi/i 85 un numrtor;tem!ori)ator de 1& bi/i 8

5 con/ine un con$ertor analog < digital de 1= bi/i cu intrri multi!le 8

5 con/ine un com!arator analogic 85 con/ine un modul 0S%*T !entru comunica/ie serial !ort serial 8

5 dis!une de un cronometru cu oscilator intern 8

5 ofer 32 de linii +;" organi)ate -n !atru !orturi P% PB PC PD.

#ist o magistral general de date la care sunt conectate mai multemodule:

5 unitatea aritmetic i logic %L0 85 registrele generale 8

5 memoria *%' i memoria P*"' 85 liniile de intrare !orturile < +;" Lines i celelalte blocuri de intrare;ieire.

%ceste ultime module sunt controlate de un set s!ecial de registre fiecare

modul a$4nd asociat un numr de registre s!ecifice.Placa de dezvoltare Eas1 "R*

as> %,*? este o !laca de de)$oltare reali)ata de firma 'i@roelectroni@ai !ermite reli)area de a!lica/ii de microcontrolere %tmel.

Placa dis!une de urmatoarele resurse hardware:

5!rogramator cu interfa/a 0SB

5bloc de alimentare a !lacii cu !osibilitatea de a utili)a o sursa de tensiunee#terna sau tensiunea furni)ata de interfa/a 0SB


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5socluri !entru conectarea microcontrolelor %tmel in ca!sule

D+P?=D+P2(D+P1(D+P2=D+P1? S%0 D+P( 5SA !ushbuton conectate la toate !orturile microcontrolerului

5LD5uri conectate la toate !orturile microcontrolerului

5re)isten/e e#terne de !ull5u! !entru fiecare !in al fiecarui !ort.5referin/a e#terna !recisa de tensiune !entru utili)area blocului de %DC cu

aceasta facilitate5generator de semnal da tact cu frec$en/a de ( ')

5modul de afiare cu LD5uri de ti! segmente

5inter2a3a seriala R#'$)$5sen)or de tem!eratura DS 1(2= cu interfa/a +2C

5modul de afiare LCD 21& caractere


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$-) #chema electrica /enerala

C 3

1 u F

V 7

0 V d c

1 u F

U 5

A T m e g a 1 6 2 - D I L 4 0 s m

3

1 81 9

2

1 21 31 41 5

2 0

4 0

876 3 5

3 43 33 23 1

3 6

1

45

91 01 1

1 61 7

3 93 8

3 7

3 02 92 82 72 62 52 42 32 22 1

P B 2

T A L 2 T A L 1

P B 1

P D 2P D 3

P D 4P D 5

! " D

V c c

P B 7P B 6P B 5 P A 4

P A 5P A 6P A 7P # 0

P A 3

P B 0

P B 3P B 4

$ # % # TP D 0P D 1

P D 6P D 7

P A 0

P A 1P A 2

P # 1P # 2P C 7

P C 6P C 5P C 4P C 3P C 2P C 1P C 0

1 u F

0

C 4

1 u F

U 4

& A 2 3 2

134526

1 29

1 1

1 0

1 38

1 4

7

C 1 'C 1 -C 2 'C 2 -V 'V -

$ 1 ( U T$ 2 ( U T

T 1 I "T 2 I "

$ 1 I "$ 2 I "

T 1 ( U TT 2 ( U T

0

D B 9

59

4837261

0


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Capitolul )! Proiectarea #o2t,are

)-( 4escrierea /enerala

Programul func/ionea)a conform schemei logice mai e#act:

5 numara o secunda du!a ce a trecut o secunda incrementea)a ceasul

secundarul minutarul ora85 daca a!asam !e tasta EaE o sa se afie)e unde a aFuns cu numararea

ceasului

5 daca a!asam !e tasta EcE !utem regla ora minutul i secunda e#em!lu: "raG Hscriem o $aloare intre == si 23I 'inutulG Hscriem o $aloare intre ==

i 9JI SecundaG Hscriem o $aloare intre == si 9JI

5 daca a!asam tasta EdE !utem regla )iua luna i anul e#em!lu: %nulG Hscriem o $aloare intre == i JJI %nulLG Hscriem o $aloare intre

== i JJI LunaG Hscriem o $aloare intre == i 11I KiuaG Hscriem o $aloareintre == i 2JI


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)-$ #chema lo/ica


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)-) Listin/ so2t,are.include Em1&def.incE.def secundaGr1(.def minutGr1J.def oraGr2=.def )iGr21


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.def lunaGr22

.def anhighGr23

.def anlowGr2?

.org =#==rFm! reset

.org =#1&rFm! rece!tiereset:ldi r1&low*%'MDout SPLr1&ldi r1&high*%'MDout SPr1&ldi r1&=b1==11===out 0CS*Br1&ldi r1&=b1=1==11=out 0CS*Cr1&

ldi r1&=#==out 0B**r1&ldi r1&=#33out 0B**Lr1&ldi secunda=#==ldi minut=#==ldi ora=#==ldi )i=#=1ldi luna=#=1ldi anhigh=#==ldi anlow=#==

ldi r1&=#%out "C*1%r1&ldi r1&=#12out "C*1%Lr1&ceas:seildi r1&=b====11==out TCC*1Br1&in r1&T+7*sbrs r1&"C71%rFm! PC52cbr r1&"C71%out T+7*r1&clr r1&out TCC*1Br1&cliinc secundamo$ r1&secundaandi r1&=#=7


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c!i r1&=#=%brne ceasldi r1&=#=&add secundar1&c!i secunda=#&=

brne ceasclr secundainc minutmo$ r1&minutandi r1&=#=7c!i r1&=#=%brne ceasldi r1&=#=&add minutr1&c!i minut=#&=brne ceas

clr minutinc oramo$ r1&oraandi r1&=#=7c!i r1&=#=%brne PCN3ldi r1&=#=&add orar1&c!i ora=#2?brne ceasclr ora

inc )imo$ r1&)iandi r1&=#=7c!i r1&=#=%brne ceasldi r1&=#=&add )ir1&c!i )i=#3=brne ceasclr )iinc lunamo$ r1&lunaandi r1&=#=7c!i r1&=#=%brne PCN3ldi r1&=#=&add lunar1&c!i luna=#12brne end


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clr lunainc anlowmo$ r1&anlowandi r1&=#=7c!i r1&=#=%

brne endldi r1&=#=&add anlowr1&c!i anlow=#%=brne endclr anlowinc anhighmo$ r1&anhighandi r1&=#=7c!i r1&=#=%brne end

ldi r1&=#=&add anhighr1&c!i anhigh=#%=brne endclr anhighend:rFm! ceasrece!tie:in r10D*c!i r1OaObre af

c!i r1OcObre schimbareceasc!i r1OdObre schdretiaf: Fm! afisareschd: Fm! schimbaredataschimbareceas:ldi r1O"Oout 0D*r1call waitldi r1OrOout 0D*r1call waitldi r1OaOout 0D*r1call waitldi r1OGOout 0D*r1


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call waitin r1&0D*mo$ r1r1&andi r1=#7=c!i r1=#3=

brne PC5?out 0D*r1&call waitandi r1&=#=7swa! r1&mo$ orar1&in r1&0D*mo$ r1r1&andi r1=#7=c!i r1=#3=brne PC5?

out 0D*r1&call waitandi r1&=#=7add orar1&in r1&0D*c!i r1&O Obrne PC52in r1&0D*c!i r1&O Obrne PC52ldi r1O O

out 0D*r1call waitldi r1O'Oout 0D*r1call waitldi r1OiOout 0D*r1call waitldi r1OnOout 0D*r1call waitldi r1OuOout 0D*r1call waitldi r1OtOout 0D*r1call waitldi r1OuOout 0D*r1


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call waitldi r1OlOout 0D*r1call waitldi r1OGO

out 0D*r1call waitin r1&0D*mo$ r1r1&andi r1=#7=c!i r1=#3=brne PC5?out 0D*r1&call waitandi r1&=#=7swa! r1&

mo$ minutr1&in r1&0D*mo$ r1r1&andi r1=#7=c!i r1=#3=brne PC5?out 0D*r1&call waitandi r1&=#=7add minutr1&in r1&0D*

c!i r1&O Obrne PC52in r1&0D*c!i r1&O Obrne PC52ldi r1O Oout 0D*r1call waitldi r1OSOout 0D*r1call waitldi r1OeOout 0D*r1call waitldi r1OcOout 0D*r1call waitldi r1OuOout 0D*r1


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call waitldi r1OnOout 0D*r1call waitldi r1OdO

out 0D*r1call waitldi r1OaOout 0D*r1call waitldi r1OGOout 0D*r1call waitin r1&0D*mo$ r1r1&andi r1=#7=

c!i r1=#3=brne PC5?out 0D*r1&call waitandi r1&=#=7swa! r1&mo$ secundar1&in r1&0D*mo$ r1r1&andi r1=#7=c!i r1=#3=

brne PC5?out 0D*r1&call waitandi r1&=#=7add secundar1&in r1&0D*c!i r1&O Obrne PC52in r1&0D*c!i r1&O Obrne PC52ldi r1=#=Dout 0D*r1call waitldi r1=#=%out 0D*r1call waitFm! afisareschimbaredata:


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ldi r1O%Oout 0D*r1call waitldi r1OnOout 0D*r1

call waitldi r1OuOout 0D*r1call waitldi r1OlOout 0D*r1call waitldi r1OOout 0D*r1call waitldi r1OO

out 0D*r1call waitldi r1OOout 0D*r1call waitldi r1OGOout 0D*r1call waitin r1&0D*mo$ r1r1&andi r1=#7=

c!i r1=#3=brne PC5?out 0D*r1&call waitandi r1&=#=7swa! r1&mo$ anhighr1&in r1&0D*mo$ r1r1&andi r1=#7=c!i r1=#3=brne PC5?out 0D*r1&call waitandi r1&=#=7add anhighr1&

in r1&0D*c!i r1&O O


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brne PC52in r1&0D*c!i r1&O Obrne PC52

ldi r1O Oout 0D*r1call waitldi r1O%Oout 0D*r1call waitldi r1OnOout 0D*r1call waitldi r1OuOout 0D*r1

call waitldi r1OlOout 0D*r1call waitldi r1OOout 0D*r1call waitldi r1OLOout 0D*r1call waitldi r1OO

out 0D*r1call waitldi r1OGOout 0D*r1call wait

in r1&0D*mo$ r1r1&andi r1=#7=c!i r1=#3=brne PC5?out 0D*r1&call waitandi r1&=#=7swa! r1&mo$ anlowr1&in r1&0D*mo$ r1r1&andi r1=#7=


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c!i r1=#3=brne PC5?out 0D*r1&call waitandi r1&=#=7

add anlowr1&

in r1&0D*c!i r1&O Obrne PC52in r1&0D*c!i r1&O Obrne PC52

ldi r1O Oout 0D*r1

call waitldi r1OLOout 0D*r1call waitldi r1OuOout 0D*r1call waitldi r1OnOout 0D*r1call waitldi r1OaO

out 0D*r1call waitldi r1OGOout 0D*r1call wait

in r1&0D*mo$ r1r1&andi r1=#7=c!i r1=#3=brne PC5?out 0D*r1&call waitandi r1&=#=7swa! r1&mo$ lunar1&in r1&0D*mo$ r1r1&andi r1=#7=


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c!i r1=#3=brne PC5?out 0D*r1&call waitandi r1&=#=7

add lunar1&

in r1&0D*c!i r1&O Obrne PC52in r1&0D*c!i r1&O Obrne PC52

in r1&0D*c!i r1&O O

brne PC52in r1&0D*c!i r1&O Obrne PC52

ldi r1O Oout 0D*r1call waitldi r1OKOout 0D*r1call wait

ldi r1OiOout 0D*r1call waitldi r1OuOout 0D*r1call waitldi r1OaOout 0D*r1call waitldi r1OGOout 0D*r1call wait

in r1&0D*mo$ r1r1&andi r1=#7=c!i r1=#3=brne PC5?out 0D*r1&


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call waitandi r1&=#=7swa! r1&mo$ )ir1&in r1&0D*

mo$ r1r1&andi r1=#7=c!i r1=#3=brne PC5?out 0D*r1&call waitandi r1&=#=7add )ir1&in r1&0D*c!i r1&O Obrne PC52

in r1&0D*c!i r1&O Obrne PC52ldi r1=#=Dout 0D*r1call waitldi r1=#=%out 0D*r1call waitFm! afisareafisare:

mo$ r1)iandi r1=#7=swa! r1ori r1=b==11====out 0D*r1call waitmo$ r1)iandi r1=#=7ori r1=b==11====out 0D*r1call waitldi r1O;Oout 0D*r1call wait

mo$ r1lunaandi r1=#7=swa! r1ori r1=b==11====


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out 0D*r1call waitmo$ r1lunaandi r1=#=7ori r1=b==11====

out 0D*r1call waitldi r1O;Oout 0D*r1call waitmo$ r1anhighandi r1=#7=swa! r1ori r1=b==11====out 0D*r1call wait

mo$ r1anhighandi r1=#=7ori r1=b==11====out 0D*r1call waitmo$ r1anlowandi r1=#7=swa! r1ori r1=b==11====out 0D*r1call wait

mo$ r1anlowandi r1=#=7ori r1=b==11====out 0D*r1call waitldi r1O Oout 0D*r1call wait

mo$ r1oraandi r1=#7=swa! r1ori r1=b==11====out 0D*r1call wait

mo$ r1oraandi r1=#=7ori r1=b==11====


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out 0D*r1call wait

ldi r1O:Oout 0D*r1

call wait

mo$ r1minutandi r1=#7=swa! r1ori r1=b==11====out 0D*r1call wait

mo$ r1minutandi r1=#=7

ori r1=b==11====out 0D*r1call wait

ldi r1O:Oout 0D*r1call wait

mo$ r1secundaandi r1=#7=swa! r1

ori r1=b==11====out 0D*r1call wait

mo$ r1secundaandi r1=#=7ori r1=b==11====out 0D*r1call waitldi r1=#=Dout 0D*r1call waitldi r1=#=%out 0D*r1call waitretiwait:in r10CS*%sbrs r10D*


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rFm! waitret

Capitolul *! Bi.lio/ra2ie


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Curs %Tmega1& scomelco.ro
http://www.datasheetcatalog.com/http://www.datasheetcatalog.com/

Proiect Uc Cornelia

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