Some old AVR projects
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;SETI navigation module of extraterrestrial spaceship BY Ondrej Hruska (c) 2011
;-------------------------------------------------
;Co to dela:
;Po spusteni plynule rozsviti a zhasle LED MAIN, behem toho houka s promennou frekvenci
;Povoli uspani zmenou stavu pinu PB7
; Zapojeni:
; +------u------+
; Vcc -> reset --+ /RST Vcc +-- napajeni +5V
; SW0 G --+ PD0 PB7 +---[wakeswitch]--GND
; SW1 G --+ PD1 PB6 +-- LED MAIN K
; --+ PA1 PB5 +-- LED 5 K
; Vcc-[speaker]----+ PA0 PB4 +-- LED 4 K
; SW2 G --+ PD2 PB3 +-- LED 3 K
; SW3 G --+ PD3 PB2 +-- LED 2 K
; SW4 G --+ PD4 PB1 +-- LED 1 K
; SW5 G --+ PD5 PB0 +-- LED 0 K
; GND --+ GND PD6 +--
; +-------------+
;"K" = katoda (ledka zapojena mezi Vcc a timhle pinem, aktivni je 0)
;"G" = ground (spinac mezi tomhle pionem a zemi, aktivni je 0)
.device attiny2313
;běží na 4MHz, ckdiv8=1 (vypnuto)
;LFUSE: 0xE2
;HFUSE: 0xDF
;N A S T A V E N I V Y S I L A N E M O R S E O V K Y
.equ DelkaTecky = 4 ;delka tecky v desetinach
.equ DelkaCarky = 14 ;3x delka tecky = delka carky
.equ MezeraMorspart = 4 ;mezera mezi teckami/carkami v pismene
.equ MezeraZnak = 16 ;mezera za znakem (pripojena za vnitrni mezeru)
.equ FrekvenceMorse = 42 ;62500/tohle Hz
;K O N S T A N T Y + P R E Z D I V K Y P O U R T U A P I N U
;PORTA
.equ SYSPORT = PORTA
.equ SYSPIN = PINA
.equ SYSDDR = DDRA
.equ speak = 0
;PORTB
.equ LEDPORT = PORTB
.equ LEDDDR = DDRB
.equ LEDPIN = PINB
.equ led0 = 0
.equ led1 = 1
.equ led2 = 2
.equ led3 = 3
.equ led4 = 4
.equ led5 = 5
.equ ledm = 6
.equ wakepin = 7
.equ AFTER_SLEEP = 0b10101010 ;informace ze byl predtim sleep
;PORTD
.equ SWPORT = PORTD
.equ SWPIN = PIND
.equ SWDDR = DDRD
.equ sw0 = 0
.equ sw1 = 1
.equ sw2 = 2
.equ sw3 = 3
.equ sw4 = 4
.equ sw5 = 5
;A L I A S Y R E G I S T R U
.def cmatch = r19
.def louter = r18
.def linner = r17
.def curchar = r25
.def morspart = r24
;aliasy pointerů
.def ZH = r31
.def ZL = r30
.def YH = r29
.def YL = r28
.def XH = r27
.def XL = r26
; M A K R A
;Reprak (zapnuti a vypnuti pipani 1kHz)
.MACRO BuzzOn
sbi SYSPORT,speak
ldi r16,(1<<CS01)|(1<<CS00) ;TC0 zapnut, prescaler na 64 (4000000/64=62500)
out TCCR0B,r16
.ENDMACRO
.MACRO BuzzOff
clr r16 ;TC0 vypnut (hodiny zastaveny)
out TCCR0B,r16
sbi SYSPORT,speak ;vymazat speak (aby netekl proud reprakem)
.ENDMACRO
.MACRO SetTone
out OCR0A,r16
.ENDMACRO
.MACRO DefaultTone
ldi r16,FrekvenceMorse
out OCR0A,r16
.ENDMACRO
; Z A C A T E K P R O G R A M U
;vektory preruseni
.org 0x0000 ;RESET
rjmp RESET ;skok na start po resetu
.org 0x000B ;pin change
rjmp PINCHANGE ;probuzeni nebo preruseni cinnosti
.org 0x000D ;TC0 Compare match A
sbi SYSPIN,speak ;přepnout speak
reti ;návrat do programu (0x000E)
.org 0x0013
;nastaveni po resetu
.DB "MORSE PIPAC SETI 2011",0 ;(nazev programu)
RESET:
ldi r16,low(RAMEND) ;nastavi stack pointer
out SPL,r16
cli ;zakazat vsechna preruseni
clr r5 ;vymaz navesti ze je po probuzeni (r5=AFTER_SLEEP, ted bude 0)
ldi r16, (1<<SM0) ;nastavi sleep mode = power-down (nejuspornejsi)
out MCUCR, r16
; Nastaveni portu
;PORTA = SYSPORT
ldi r16,0b00000011 ;smer portu A - vse na výstup (shutdown a speak)
out SYSDDR,r16
ldi r16,0b00000001 ;shutdown=0 (continue), speak=1 (je mezi Vcc a timhle, takze skrz nej nic netece)
out SYSPORT,r16
;PORTB = LEDPORT
ldi r16,0b01111111 ;smer portu B - vystupni (ledky) - použijou se piny 0-6, 7. = wakepin
out LEDDDR,r16
ldi r16,0b11111111 ;vse v PORTB na 1 = ledky zhasnuty, wakepin pullup enabled
out LEDPORT,r16
;PORTD = SWPORT
ldi r16,0b00000000 ;smer portu D - vse na vstup (tlačítka) - použijou se jen piny 0-5, 6. zbyde
out SWDDR,r16
ldi r16,0b01111111 ;enable pullup
out SWPORT,r16
; timer0 - generator f=1kHz (pipak)
ldi r16,(1<<WGM01) ;port se neovlivnuje citacem, CTC mod
out TCCR0A,r16
ldi r16,62 ;compare match = 62 (vystupni frekvence 1kHz)
out OCR0A,r16
ldi r16,(1<<OCIE0A) ;povolit interupt z casovace (jeste nutno zapnout: makro BuzzOn)
out TIMSK,r16
;pipani aktivuje makro BuzzOn, vypne makro BuzzOff
;konfigurace pinchange interruptu (jeste je treba zapnout PCIE v GIMSK)
ldi r16,(1<<PCINT7)
out PCMSK,r16 ;povol pinchange interrupt pro PB7 (=wakepin)
sei ;Global Interrupt Enable
;plynule rozsviceni ledm + stoupajici ton
BuzzOn
ldi cmatch,255 ;comparematch (cita se od 255 do 0, tady se ledka vypne)
L1NEXTSTEP:
dec cmatch ;zvys jas
breq L1DONE ;je jas=255(full)? pak L1DONE
mov r16,cmatch
SetTone
ldi louter,25 ;vnejsi smycka (pocet cyklu se stejnym jasem)
L1OUTER:
dec louter ;je konec louter? pak novy jas
breq L1NEXTSTEP
ldi linner,255 ;vnitrni smycka, stara se o regulaci jasu
cbi LEDPORT,ledm ;rozsviť ledmain
L1INNER:
dec linner
breq L1OUTER
cp linner,cmatch ;je cmatch?
brne L1Ib
sbi LEDPORT,ledm ;jo -> zhasni ledmain
L1Ib:
rjmp L1INNER
L1DONE:
cbi LEDPORT, ledm ;rozsvit ledku (pro jistotu)
;plynule zhasnuti ledm + klesajici ton
ldi cmatch,0 ;comparematch (cita se od 255 do 0, tady se ledka vypne)
L2NEXTSTEP:
inc cmatch ;sniz jas
cpi cmatch,255 ;je jas=0? pak L2DONE
breq L2DONE
mov r16,cmatch
SetTone
ldi louter,20 ;vnejsi smycka (pocet cyklu se stejnym jasem)
L2OUTER:
dec louter ;je konec louter? pak novy jas
breq L2NEXTSTEP
ldi linner,255 ;vnitrni smycka, stara se o regulaci jasu
cbi LEDPORT,ledm ;rozsvit ledmain
L2INNER:
dec linner
breq L2OUTER
cp linner,cmatch ;je cmatch?
brne L2Ib
sbi LEDPORT,ledm ;jo -> zhasni ledmain
L2Ib:
rjmp L2INNER
L2DONE:
sbi LEDPORT, ledm ;zhasni ledm (pro jistotu)
ldi r16,1 ;prodleva, aby ton neznel tak uriznute
rcall delay
BuzzOff ;vypnout zvuk
;ted uz je dost douho po resetu, zepneme moznost uspani wakepinem
;vymaz zasobnik ext. preruseni
in r16,EIFR
andi r16,(1<<PCIF)
out EIFR,r16
;povol interrupt změny pinu PB7
ldi r16,(1<<PCIE)
out GIMSK,r16 ;povol pinchange interrupt (general)
;krouzeni cervenych ledek + pipani
ldi r18,24 ;celkem 24 preklopeni
ldi r17,0b11111110 ;posuvny registr - inicializace
KRUH1:
sbr r17,0b11000000 ;1 na nepouzite bity (ledky zhasnuty)
out LEDPORT, r17 ;vystup
lsr r17 ;rotuj doprava pres carry
brcs KRUH1b ;neni carry? preskoc
cbr r17,0b00100000 ;dopln mezeru na zacatek (emulace 6bitoveho posuvneho registru)
KRUH1b:
mov r16,r17 ;vypocet tonu pipnuti
com r16
lsl r16
eor r16,r18
SetTone
BuzzOn ;pipni
ldi r16,2
rcall delay
BuzzOff
dec r18
brne KRUH1 ;neni-li to posledni preklopeni, opakuj
K1DONE:
DefaultTone ;nastav normalni ton = 1kHz (pro morseovku)
;zhasni vse
ldi r16,0b11111111
out LEDPORT,r16 ;vypni ledky
ldi r16,4
rcall delay ;cekej 0.4s
;ukaz co je zapojeno (cervenymi ledkami)
in r25, SWPIN ;prijmout stav SWPORTu
andi r25,0b00111111 ;ignoruj nepouzite piny
mov r16,r25
sbr r16,0b11000000
out LEDPORT,r16 ;ukazat na LEDPORTu
;cekej 2 sekundy
ldi r16,20 ;pauza 2s
rcall delay
;spocitani zapnutych jumperu
;r25 obsahuje stav SWPINu (bity 0-5)
sbr r25,0b11000000 ;zapni i nepouzite bity
com r25 ;neguj (jumpery jsou na zem) -> aktivni budou 1
clr r24 ;priprav citac aktivnich jumperu
clr r16 ;nulovej registr pro ADC (aby procetl jen carry)
COUNTL:
lsr r25 ;(r25>>1) bit 0 do carry
adc r24,r16 ;pricti k citaci r24 carry (r16 je 0)
cpi r25,0 ;je r25 prazdny? ne -> opakuj COUNTL
brne COUNTL
;r24 obsahuje pocet zaplych bitu
COUNTDONE:
cpi r24,6 ;je 6 jumperu?
brne TEST5
ldi ZH,high(TEXT6*2)
ldi ZL,low(TEXT6*2)
rjmp TESTDONE
TEST5:
cpi r24,5 ;je 5 jumperu?
brne TEST4
ldi ZH,high(TEXT5*2)
ldi ZL,low(TEXT5*2)
rjmp TESTDONE
TEST4:
cpi r24,4 ;jsou 4 jumpery?
brne TEST3
ldi ZH,high(TEXT4*2)
ldi ZL,low(TEXT4*2)
rjmp TESTDONE
TEST3:
cpi r24,3 ;jsou 3 jumpery?
brne TEST2
ldi ZH,high(TEXT3*2)
ldi ZL,low(TEXT3*2)
rjmp TESTDONE
TEST2:
cpi r24,2 ;jsou 2 jumpery?
brne TEST1
ldi ZH,high(TEXT2*2)
ldi ZL,low(TEXT2*2)
rjmp TESTDONE
TEST1:
cpi r24,1 ;je 1 jumper?
brne TEST0
ldi ZH,high(TEXT1*2)
ldi ZL,low(TEXT1*2)
rjmp TESTDONE
TEST0:
ldi ZH,high(TEXT0*2) ;je 0 jumperu.
ldi ZL,low(TEXT0*2)
TESTDONE:
;Z obsahuje pointer na zacatek vysilaneho textu.
;Dalsi znak textu (nebo prvni)
NextCharTxt:
lpm curchar,Z+ ;do curchar nacti soucasny znak. Z je pointer na dalsi
cpi curchar,0
breq EndCom ;curchar = 0? (konec komunikace) - jdi na konec
push ZH ;uschovej Z pointer (bude pouzivan jako pointer tabulky)
push ZL
;hledani znaku v tabulce
ldi ZH,high(MORSE*2) ;zacatek MORSE tabulky do Z
ldi ZL,low(MORSE*2)
NextCharTbl:
lpm morspart,Z+ ;precti znak z tabulky
cpi morspart,0 ;je to 0? (= konec tabulky)
breq CharDone ;pak jdi na CharDone
cp morspart,curchar ;je to hledany znak?
breq CharFound ;pak jdi na CharFound
adiw ZL,7 ;jinak jdi na nasledujici znak v tabulce (1 z postincrementu + 7 dalsich bytu)
rjmp NextCharTbl
;znak nalezen v tabulce
CharFound:
lpm morspart,Z+ ;nacti MorsPart
cpi morspart,0 ;je to 0? (= konec znaku)
breq CharDone ;pak jdi na CharDone
cpi morspart,1 ;je to tecka? (=1) - zustan tady
brne CARKA ;je to carka? (=3) - jdi na CARKA
;TECKA
cbi LEDPORT, ledm ;rozsvit ledm
BuzzOn ;zacni pipnuti
ldi r16,DelkaTecky ;cekej podle DelkaTecky
rcall delay
BuzzOff ;konec pipnuti
sbi LEDPORT, ledm ;zhasni ledm
rjmp MorsPartDone ;konec morspartu -> MorsPartDone
;CARKA
CARKA:
cbi LEDPORT, ledm ;rozsvit ledm
BuzzOn ;zacni pipnuti
ldi r16,DelkaCarky ;cekej podle DelkaTecky
rcall delay
BuzzOff ;konec pipnuti
sbi LEDPORT, ledm ;zhasni ledm
;tecka/carka dokoncena
MorsPartDone: ;konec morspartu (=tecka/carka)
ldi r16,MezeraMorspart ;udelej mezeru
rcall delay
rjmp CharFound ;jdi na dalsi cast morspartu
;znak dokoncen
CharDone:
ldi r16,MezeraZnak ;mezera za znakem
rcall delay
pop ZL ;obnov pointer pro text
pop ZH
rjmp NextCharTxt ;jdi na dalsi znak textu
EndCom:
ldi r16,10
rcall delay
BuzzOn
;plynule zhasnuti ledm + klesajici ton
ldi cmatch,0 ;comparematch (cita se od 255 do 0, tady se ledka vypne)
L3NEXTSTEP:
inc cmatch ;sniz jas
cpi cmatch,255 ;je jas=0? pak L3DONE
breq L3DONE
mov r16,cmatch
lsr r16
SetTone
ldi louter,25 ;vnejsi smycka (pocet cyklu se stejnym jasem)
L3OUTER:
dec louter ;je konec louter? pak novy jas
breq L3NEXTSTEP
ldi linner,255 ;vnitrni smycka, stara se o regulaci jasu
cbi LEDPORT,ledm ;rozsvit ledmain
L3INNER:
dec linner
breq L3OUTER
cp linner,cmatch ;je cmatch?
brne L3Ib
sbi LEDPORT,ledm ;jo -> zhasni ledmain
L3Ib:
rjmp L3INNER
L3DONE:
sbi LEDPORT, ledm ;zhasni ledm (pro jistotu)
ldi r16,2 ;prodleva, aby ton neznel tak uriznute
rcall delay
BuzzOff ;vypnout zvuk
USNI:
;SLEEP (a po probuzeni skok na RESET)
clr r16
out SWPORT,r16 ;vypni pullupy jumperu
sbi SYSPORT, speak ;vypni speaker (pro jistotu)
ser r16
out LEDPORT,r16 ;zhasni ledky, PB7 (ext. interrupt) pullup enabled
;nastavit navesti, ze jde o probuzeni po spanku
ldi r16,AFTER_SLEEP
mov r5,r16
;probudi se pinchange interruptem na PB7
in r16, MCUCR
ori r16, (1<<SE)
out MCUCR, r16 ;sleep enable && sleep
sleep
in r16, MCUCR
andi r16, ~(1<<SE)
out MCUCR, r16 ;sleep disable
;reset
rjmp RESET
;R U T I N Y
delay:
;ldi r16,#desetin
push r17
push r18
;255*225*7
d0:
ldi r17,255
d1:
ldi r18,227
d2:
nop
nop
nop
dec r18
brne d2
dec r17
brne d1
dec r16
brne d0
pop r18
pop r17
ret
PINCHANGE:
mov r16,r5
cpi r16,AFTER_SLEEP
brne NENIPOSLEEPU
;je po SLEEPu -> reset
ldi r16,2 ;cekej 0.2s
rcall delay
clr r5 ;vymazat navesti ze byl SLEEP
clr r16
out GIMSK,r16 ;zakaz pinchange interrupt (general)
sei
rjmp RESET ;pri resetu se vynuluje SP a sei uz bylo, takze se reti delat nemusi. bude reset
;preruseni normalniho behu programu tlacitkem -> usnout
NENIPOSLEEPU:
ser r16 ;zhasne ledky
out LEDPORT,r16
BuzzOff ;pro jistotu vypne speaker
ldi r16,20 ;ceka 2 sekundy (aby se tlacitko urcite stihlo uvolnit -> jinak se udela dalsi "pinchange" a hned se to probudi)
rcall delay
sei ;povol preruseni (vypnuto pri interruptu)
rjmp USNI ;usnout (probudi se zmenou PB7)
; T A B U L K A Z N A K U
MORSE:
.DB "A",1,3,0,0,0,0,0 ;A
.DB "B",3,1,1,1,0,0,0 ;B
.DB "C",3,1,3,1,0,0,0 ;C
.DB "D",3,1,1,0,0,0,0 ;D
.DB "E",1,0,0,0,0,0,0 ;E
.DB "F",1,1,3,1,0,0,0 ;F
.DB "G",3,3,1,0,0,0,0 ;G
.DB "H",1,1,1,1,0,0,0 ;H
.DB "I",1,1,0,0,0,0,0 ;I
.DB "J",1,3,3,3,0,0,0 ;J
.DB "K",3,1,3,0,0,0,0 ;K
.DB "L",1,3,1,1,0,0,0 ;L
.DB "M",3,3,0,0,0,0,0 ;M
.DB "N",3,1,0,0,0,0,0 ;N
.DB "O",3,3,3,0,0,0,0 ;O
.DB "P",1,3,3,1,0,0,0 ;P
.DB "Q",3,3,1,3,0,0,0 ;Q
.DB "R",1,3,1,0,0,0,0 ;R
.DB "S",1,1,1,0,0,0,0 ;S
.DB "T",3,0,0,0,0,0,0 ;T
.DB "U",1,1,3,0,0,0,0 ;U
.DB "V",1,1,1,3,0,0,0 ;V
.DB "W",1,3,3,0,0,0,0 ;W
.DB "X",3,1,1,3,0,0,0 ;X
.DB "Y",3,1,3,3,0,0,0 ;Y
.DB "Z",3,3,1,1,0,0,0 ;Z
.DB "0",3,3,3,3,3,0,0 ;0
.DB "1",1,3,3,3,3,0,0 ;1
.DB "2",1,1,3,3,3,0,0 ;2
.DB "3",1,1,1,3,3,0,0 ;3
.DB "4",1,1,1,1,3,0,0 ;4
.DB "5",1,1,1,1,1,0,0 ;5
.DB "6",3,1,1,1,1,0,0 ;6
.DB "7",3,3,1,1,1,0,0 ;7
.DB "8",3,3,3,1,1,0,0 ;8
.DB "9",3,3,3,3,1,0,0 ;9
.DB ".",1,3,1,3,1,3,0 ;.
.DB ",",3,3,1,1,3,3,0 ;,
.DB " ",0,0,0,0,0,0,0 ;space
.DB 0,0,0,0,0,0,0,0 ;nic
;T E X T Y K O D V Y S I L A N I
TEXT0:
.db "TOTO JE NAVIGATOR CHYBI ANTENA BYLA ZAMERENA NA POZICI N 50S 12.345 E014S 12.345",0
TEXT1:
.db "POTREBUJI ZESILOVAC LEZI TADY N 50S 12.345 E014S 12.345",0
TEXT2:
.db "SLABY SIGNAL DALSI ANTENA JE ZDE N 50S 12.345 E 14S 12.345",0
TEXT3:
.db "DOCHAZI ENERGIE IONTOVY GENERATOR DOPADL NA N 50S 12.345 E014S 12.345",0
TEXT4:
.db "POLOHA DALSI ANTENY JE N 50S 12.345 E014S 12.345",0
TEXT5:
.db "PRESNOST ZVYSI SUPERSENZOR N 50S 12.345 E014S 12.345",0
TEXT6:
.db "VRAK MODULU LOKALIZOVAN NA N 50S 12.345 E014S 12.345 SLIZ JE NESKODNY",0