You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
151 lines
3.3 KiB
151 lines
3.3 KiB
10 years ago
|
;Kostka pro attiny13
|
||
|
|
;sestupna hrana impulzu na PB0 spousti kostku, vzestupna hrana spousti zpomalovani
|
||
|
|
;kostka se zastavi na nahodnem cisle.
|
||
|
|
;segmenty:
|
||
|
|
|
||
|
|
; PB2 PB3
|
||
|
|
; PB4 PB1 PB4
|
||
|
|
; PB3 PB2
|
||
|
|
|
||
|
|
; diody na spolecne noze maji kazda svuj odpor. muze byt pole odporu
|
||
|
|
|
||
|
|
.device attiny13
|
||
|
|
.def i=r20 ;prvni citac, cita jen pro zpomaleni
|
||
|
|
.def j=r21 ;druhy citac, cita az do TOP, pak se oba vynulujou
|
||
|
|
.def top=r22 ;maximalni hodnota pro citac j -> vynulovani a dalsi faze
|
||
|
|
.def faze=r23 ;faze kostky. jsou zde cisla 0-5
|
||
|
|
.def plus=r24 ;prirustek v dobe cekani na timer overflow - vzdy se inkrementuje
|
||
|
|
.def fx=r25
|
||
|
|
|
||
|
|
.org 0x0000 ;RESET
|
||
|
|
rjmp RESET ;skok na start po resetu
|
||
|
|
.org 0x0006 ;TC0 overflow A
|
||
|
|
rjmp CASOVAC
|
||
|
|
|
||
|
|
|
||
|
|
.org 0x0010
|
||
|
|
RESET:
|
||
|
|
ldi r16,low(RAMEND) ;nastavi stack pointer
|
||
|
|
out SPL,r16
|
||
|
|
|
||
|
|
cli ;zakazat vsechna preruseni
|
||
|
|
|
||
|
|
ldi r16,0b11111110 ;smer pinu
|
||
|
|
out DDRB,r16
|
||
|
|
|
||
|
|
ldi r16,1 ;PullUpy
|
||
|
|
out PORTB,r16
|
||
|
|
|
||
|
|
ldi r16,(1<<CS01)|(1<<CS00) ;TC0 prescaler na 64
|
||
|
|
out TCCR0B,r16 ;4800000/64=75000Hz
|
||
|
|
|
||
|
|
ldi r16,(1<<WGM01) ;TC0 je v rezimu CTC
|
||
|
|
out TCCR0A,r16
|
||
|
|
|
||
|
|
ldi r16,75 ;Compare Match 0 A je 75
|
||
|
|
out OCR0A,r16 ;75000/75=1000Hz interrupt
|
||
|
|
|
||
|
|
in r16, TIMSK0 ;povolit interrupt od preteceni
|
||
|
|
ori r16, (1<<OCIE0A)
|
||
|
|
out timsk0,r16
|
||
|
|
|
||
|
|
clr i ;nastavime pocatecni hodnoty
|
||
|
|
clr j
|
||
|
|
ldi top,2
|
||
|
|
ldi fx,5
|
||
|
|
ldi faze,0
|
||
|
|
ldi plus,1
|
||
|
|
|
||
|
|
sei ;Global Interrupt Enable
|
||
|
|
|
||
|
|
LOOP:
|
||
|
|
inc fx
|
||
|
|
cpi fx,6
|
||
|
|
brne fxok
|
||
|
|
ldi fx, 0
|
||
|
|
fxok:
|
||
|
|
in r16,PINB ;kontrola jestli je PINB0 vypnutej (stisknuto)
|
||
|
|
andi r16, 1
|
||
|
|
sbrc r16, 0
|
||
|
|
rjmp LOOP ;NE -> jdi na loop
|
||
|
|
mov faze, fx
|
||
|
|
cli
|
||
|
|
ldi top,1 ;ANO -> nastavit top na 1 a vymazat citace
|
||
|
|
ldi plus,1
|
||
|
|
clr i
|
||
|
|
clr j
|
||
|
|
sei
|
||
|
|
CEKANI:
|
||
|
|
ldi top,2 ;cekame na uvolneni, zatim se prepina s top=2
|
||
|
|
ldi plus,1
|
||
|
|
|
||
|
|
inc fx
|
||
|
|
cpi fx,6
|
||
|
|
brne fxok2
|
||
|
|
ldi fx, 0
|
||
|
|
fxok2:
|
||
|
|
in r16,PINB ;kontrola jestli je PINB0 zapnutej (pusteny tlacitko)
|
||
|
|
andi r16, 1
|
||
|
|
sbrs r16, 0
|
||
|
|
rjmp CEKANI
|
||
|
|
cli
|
||
|
|
mov faze, fx
|
||
|
|
ldi top,1
|
||
|
|
ldi plus,1
|
||
|
|
clr i
|
||
|
|
clr j
|
||
|
|
sei
|
||
|
|
rjmp LOOP ;skok na loop
|
||
|
|
|
||
|
|
CASOVAC:
|
||
|
|
cpi top,50 ;porovnam top s 50, kdyz vetsi nebo rovno
|
||
|
|
brge CASEND ;tak se dal nepocita - preskok na konec
|
||
|
|
inc i ;i++
|
||
|
|
cpi i,8 ;je i == 8 ?
|
||
|
|
brne CASEND ; ne -> konec, citam dal
|
||
|
|
clr i ;i=0
|
||
|
|
inc j ;j++
|
||
|
|
cp j,top ;je j == top?
|
||
|
|
brne CASEND ; ne -> konec, citam dal
|
||
|
|
add top,plus ;k top prictu plus
|
||
|
|
inc plus ;a plus zvysim o 1
|
||
|
|
clr i ;vymazu pomocne
|
||
|
|
clr j
|
||
|
|
inc faze ;dalsi faze kostky
|
||
|
|
cpi faze,6 ;je faze 6?
|
||
|
|
brne VYBER ; neni -> skok na VYBER
|
||
|
|
ldi faze,0 ; je -> nuluju fazi
|
||
|
|
VYBER: cpi faze,0 ;podminene se vybere, co se ma zobrazit
|
||
|
|
breq F0
|
||
|
|
cpi faze,1
|
||
|
|
breq F1
|
||
|
|
cpi faze,2
|
||
|
|
breq F2
|
||
|
|
cpi faze,3
|
||
|
|
breq F3
|
||
|
|
cpi faze,4
|
||
|
|
breq F4
|
||
|
|
cpi faze,5
|
||
|
|
breq F5
|
||
|
|
|
||
|
|
F0: ldi r16,0b00000011
|
||
|
|
out PORTB,r16
|
||
|
|
rjmp CASEND
|
||
|
|
F1: ldi r16,0b00000101
|
||
|
|
out PORTB,r16
|
||
|
|
rjmp CASEND
|
||
|
|
F2: ldi r16,0b00001011
|
||
|
|
out PORTB,r16
|
||
|
|
rjmp CASEND
|
||
|
|
F3: ldi r16,0b00001101
|
||
|
|
out PORTB,r16
|
||
|
|
rjmp CASEND
|
||
|
|
F4: ldi r16,0b00001111
|
||
|
|
out PORTB,r16
|
||
|
|
rjmp CASEND
|
||
|
|
F5: ldi r16,0b00011101
|
||
|
|
out PORTB,r16
|
||
|
|
CASEND: ;navrat z preruseni
|
||
|
|
reti
|
||
|
|
|