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493 lines
14 KiB
493 lines
14 KiB
10 years ago
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;Imitace sacovane bomby, Ondrej Hruska (c) 2010
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;-------------------------------------------------
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; Zapojeni:
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; +------u------+
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; reset --+ /RST Vcc +-- napajeni +5V
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; Anoda jednotek --+ PD0 PB7 +-- segment D
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; Anoda desitek --+ PD1 PB6 +-- sedment E
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; (nezapojeno) --+ XT2 PB5 +-- segment C
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; (nezapojeno) --+ XT1 PB4 +-- segment H
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; Spatny drat 1 --+ PD2 PB3 +-- segment G
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; Spatny drat 2 --+ PD3 PB2 +-- segment A
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; Spatny drat 3 --+ PD4 PB1 +-- segment F
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; Spatny drat 4 --+ PD5 PB0 +-- segment B
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; GND --+ GND PD6 +-- Spravny drat
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; +-------------+
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;
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; Nazvy segmentu na displeji:
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; ---A---
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; | |
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; F B
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; | |
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; ---G---
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; | |
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; E C
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; | |
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; ---D--- H
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;
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.device attiny2313
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;běží na 8MHz, ckdiv8=1 (vypnuto)
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;LFUSE: 0xE4
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;HFUSE: 0xDF
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; A L I A S Y
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.def numL = r20
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.def numH = r21
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.def dispL = r22
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.def dispH = r23
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.def wOld = r24
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.def InitLoopN = r25
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.equ CUvodniIntervaly = 60 ;pocet intervalu cekani
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.equ CInitLoopMax = 180 ;delka 1 intervalu cekani (s)
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.equ CUnitSecs = 60 ;delka 1 jednotky (s) - zacina se s 99 jednotkami
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; M A K R A
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.MACRO TimIntEnable
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ldi r16,(1<<OCIE1A)
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out TIMSK,r16 ;povolit interrupt pri Compare Match A
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.ENDMACRO
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.MACRO TimIntDisable
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ldi r16,0
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out TIMSK,r16 ;zakazat interrupt pri Compare Match A
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.ENDMACRO
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; Z A C A T E K P R O G R A M U
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.org 0x0000 ;RESET
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rjmp RESET ;skok na start po resetu
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.org 0x0004 ;TC1 Compare match A
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rjmp TIMER
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.org 0x0010
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; NASTAVENI PO RESETU
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.DB "IMITACE CASOVANE BOMBY. Ondrej Hruska 2010"
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RESET:
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ldi r16,low(RAMEND) ;nastavi stack pointer
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out SPL,r16
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cli ;zakazat vsechna preruseni
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; Nastaveni portu
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ldi r16,0b11111111 ;smer portu B - vystupni: segmenty (=katody)
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out DDRB,r16
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ldi r16,0b11111111 ;vse v PORTB na 1, segmenty zhasnuty
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out PORTB,r16
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ldi r16,0b00000011 ;smer portu D - PD0 a PD1 jsou vystupni - spinaji anody displeje. Zbytek: dratky. PD2 je spravny drat
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out DDRD,r16
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ldi r16,0b01111100 ;enable pullup, 0 na anody = zhasnout. dratky pripojeny na GND, s pullupy
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out PORTD,r16
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; 16bitovy citac - generator f=1Hz
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ldi r16,0 ;port se neovlivnuje citacem
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out TCCR1A,r16
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ldi r16,(1<<WGM12)|(1<<CS12) ;TC1 prescaler na 256 (8000000/256=31250), CTC mod
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out TCCR1B,r16
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ldi r16,0b01111010 ;Compare Match 1 A high
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ldi r17,0b00010010 ;Compare Match 1 A low (celkem 31250, overflow f=1Hz)
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out OCR1AH,r16 ;set high
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out OCR1AL,r17 ;set low
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TimIntDisable ;vypni casovac (makro)
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sei ;Global Interrupt Enable
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; Navesti, ze se povedl start
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; DEChGAFB
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ldi dispH,0b00011000
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ldi dispL,0b10010111
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ldi r16,100
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nav:
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ldi r17,255
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nav2:
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rcall multiplex
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dec r17
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brne nav2
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dec r16
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brne nav
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ldi r16,0b00000000 ;disable pullupy a 0 na anody. Musime setrit energii!
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out PORTD,r16
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clr r16
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clr r17
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; INIT LOOP
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ldi InitLoopN, CUvodniIntervaly ;cekej n intervalu
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ldi r19,CInitLoopMax ;delka prvniho intervalu jako obecny interval
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;soucasny interval: r19, defaultni interval: CInitLoopMax
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TimIntEnable ;zapni casovac (makro)
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InitLoop:
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;kontroluje se InitLoopN. snizovani zajistuje casovac.
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cpi InitLoopN,0 ;zbyva 0 intervalu?
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brne InitLoop ;pokud ne, testuj znova
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; P R I P R A V Y N A H L A V N I P R O G R A M
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cli ;vypni preruseni - skoncila uvodni smycka, zacina odpocitavani
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;vycisteni registru
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clr r16 ;vynuluj registry
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clr r17
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clr r18
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clr r19
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;pullupy PORTD
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ldi r16,0b01111100 ;enable pullup
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out PORTD,r16
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;cas 99
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ldi numL,9
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ldi numH,9
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mov r17,numL ;zpracovat numL
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rcall dec7seg ;najdi 7seg. reprezentaci jednotek a dej ji do r16
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mov dispL,r16 ;presunout vysledek do vystupu displeje
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mov r17,numH ;zpracovat numH
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rcall dec7seg ;najdi 7seg. reprezentaci jednotek a dej ji do r16
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mov dispH,r16 ;presunout vysledek do vystupu displeje
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;vychozi rozlozeni dratu
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in wOld,PIND ;nastaveni stareho rozlozeni dratu
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andi wOld,0b01111000 ;ignorovat anody a spravny drat
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;nastaveni vychoziho rozlozeni dratu k prestrihnuti
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mov r16, wOld ;uloz wOld -> r16
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;v r16 jsou pouze rozpojene draty: 0b00010000
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in r17, PORTD ;do r17 stav portu D
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mov r18,r16
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com r18
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and r17,r18 ;v r17 vynuluj bity patrici k rozpojenym dratum (ochrana X zkratu)
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out PORTD,r17 ;dej na vystup
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in r17, DDRD ;do r17 DDRD
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or r17, r16 ;k vystupnim pinum pridej prave rozpojeny drat
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out DDRD,r17
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ldi r19,CUnitSecs ;nastav citac intervalu pro hlavni odpocet
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ldi r16,0b11111111 ;255 na PORTB, vse zhasnuto
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out PORTB, r16
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sei ;zacina hlavni program s casovacem, bude se pouzivat preruseni
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loop:
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rcall WireTest ;test dratku
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sbic PIND,2 ;pokud je spravny drat PD2 = 0, preskoc
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rjmp CHCIP ;skoc na CHCIP
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;spravny drat je neprerusen
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rcall multiplex
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rjmp loop ;hlavni smycka se opakuje
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multiplex:
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push r16
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push r17
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;DISPLEJ JEDNOTEK
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ser r16 ;katody na +: vypnout vsechny segmenty
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out PORTB,r16
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cbi PORTD,0
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sbi PORTD,1 ;PORTD = 01 - zapnout anodu pro jednotky
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out PORTB,dispL ;PORTB = dispL (displej jednotek)
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ldi r17,100 ;pocet smycek
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dL: ;smycka
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nop
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nop
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nop
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dec r17
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brne dL
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;DISPLEJ DESITEK
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ser r16 ;katody na +: vypnout vsechny segmenty
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out PORTB,r16
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cbi PORTD,1
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sbi PORTD,0 ;PORTD 10 - zapnout anodu pro desitky
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out PORTB,dispH ;PORTB = dispH (displej desitek)
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ldi r17,100 ;pocet smycek
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dH:
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nop
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nop
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nop
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dec r17
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brne dH
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ser r16 ;katody na +: vypnout vsechny segmenty
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out PORTB,r16
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cbi PORTD,0
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cbi PORTD,1
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pop r17
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pop r16
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ret
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; r17 konvertuj do 7segmentovyho kodu pro displej se spol. anodou DECGAFB ---> r16
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dec7seg: ;dec7seg(r17) -> r16
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clr r16 ;do r16 budeme ukladat vystup, v r17 je vstupni cislo 0-9
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cpi r17,9 ;je r17 = 9?
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brne dec7segN8 ;neni -> pokracuj s 8
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; DEChGAFB
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ldi r16, 0b01000000 ;katody DCGAFB na 0; H = 0, ale bude prepsano pri vystupu
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rjmp dec7segReturn
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dec7segN8:
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cpi r17,8 ;je r17 = 8?
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brne dec7segN7 ;neni -> pokracuj s 7
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; DEChGAFB
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ldi r16, 0b00000000 ;katody DECGAFB na 0; H = 0, ale bude prepsano pri vystupu
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rjmp dec7segReturn
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dec7segN7:
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cpi r17,7 ;je r17 = 7?
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brne dec7segN6 ;neni -> pokracuj s 6
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; DEChGAFB
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ldi r16, 0b11001010 ;katody CAB na 0; H = 0, ale bude prepsano pri vystupu
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rjmp dec7segReturn
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dec7segN6:
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cpi r17,6 ;je r17 = 6?
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brne dec7segN5 ;neni -> pokracuj s 5
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; DEChGAFB
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ldi r16, 0b00000001 ;katody DECGAF na 0; H = 0, ale bude prepsano pri vystupu
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rjmp dec7segReturn
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dec7segN5:
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cpi r17,5 ;je r17 = 5?
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brne dec7segN4 ;neni -> pokracuj s 4
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; DEChGAFB
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ldi r16, 0b01000001 ;katody DCGAF na 0; H = 0, ale bude prepsano pri vystupu
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rjmp dec7segReturn
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dec7segN4:
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cpi r17,4 ;je r17 = 4?
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brne dec7segN3 ;neni -> pokracuj s 3
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; DEChGAFB
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ldi r16, 0b11000100 ;katody CGFB na 0; H = 0, ale bude prepsano pri vystupu
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rjmp dec7segReturn
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dec7segN3:
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cpi r17,3 ;je r17 = 3?
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brne dec7segN2 ;neni -> pokracuj s 2
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; DEChGAFB
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ldi r16, 0b01000010 ;katody DCGAB na 0; H = 0, ale bude prepsano pri vystupu
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rjmp dec7segReturn
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dec7segN2:
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cpi r17,2 ;je r17 = 2?
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brne dec7segN1 ;neni -> pokracuj s 1
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; DEChGAFB
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ldi r16, 0b00100010 ;katody DEGAB na 0; H = 0, ale bude prepsano pri vystupu
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rjmp dec7segReturn
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dec7segN1:
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cpi r17,1 ;je r17 = 1?
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brne dec7segN0 ;neni -> pokracuj s 0
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; DEChGAFB
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ldi r16, 0b11001110 ;katody CB na 0; H = 0, ale bude prepsano pri vystupu
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rjmp dec7segReturn
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dec7segN0:
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; DEChGAFB
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ldi r16, 0b00001000 ;katody DECAFB na 0; H = 0, ale bude prepsano pri vystupu
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dec7segReturn:
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ret
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; TEST DRATU (nutno volat rucne)
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WireTest:
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push r16
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push r17
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push r18
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in r16,PIND
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andi r16, 0b01111000 ;odfiltrovat anody a spravny drat
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;test dratku
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cp wOld,r16 ;porovnej r16 a wOld
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brsh WireTestReturn ;wOld >= r16: nebyl prestrizen dratek, nebo byl nejaky spojen
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;dratek byl prestrizen
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;ODECTENI 3 desitek
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cpi numH,3 ;jsou aspon 3 desitky?
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brlo WireTestMaloCasu ;nejsou-li ani 3 desitky, vynuluj vse a vybuchni
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subi numH,3 ;jinak odecti 3 desitky
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;nedoslo k vynulovani?
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brne WireTestReturn ;desitky > 0: odejdi bez vybuchu
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cpi numL,0 ;desitky = 0. kolik je jednotek?
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breq WireTestBum ;je-li 0 jednotek, vybuchni
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;0 desitek, n > 0 jednotek
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rjmp WireTestReturn ;0 desitek ale n > 0 jednotek, odejdi bez vybuchu
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WireTestMaloCasu:
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clr numL ;vymazat jednotky
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clr numH ;vymazat desitky
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WireTestBum:
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rcall BUM ;vybuchnout
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WireTestReturn:
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mov wOld, r16 ;uloz soucasny stav dratu do wOld
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;v r16 jsou pouze rozpojene draty: 0b00010000
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in r17, PORTD ;do r17 stav portu D
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mov r18,r16
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com r18
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and r17,r18 ;v r17 vynuluj bity patrici k rozpojenym dratum (ochrana X zkratu)
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out PORTD,r17 ;dej na vystup
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in r17, DDRD ;do r17 DDRD
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or r17, r16 ;k vystupnim pinum prodej prave rozpojeny drat
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out DDRD,r17
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;obnovit displej
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mov r17,numL ;zpracovat numL
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rcall dec7seg ;najdi 7seg. reprezentaci jednotek a dej ji do r16
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sbrc dispL,4 ;neni-li H nastaven na displeji, preskoc
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sbr r16,0b00010000 ;nastaveni H v novem stavu displeje
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mov dispL,r16 ;presunout vysledek do vystupu displeje
|
||
|
|
|
||
|
|
mov r17,numH ;zpracovat numL
|
||
|
|
rcall dec7seg ;najdi 7seg. reprezentaci jednotek a dej ji do r16
|
||
|
|
sbrc dispH,4 ;neni-li H nastaven na displeji, preskoc
|
||
|
|
sbr r16,0b00010000 ;nastaveni H v novem stavu displeje
|
||
|
|
mov dispH,r16 ;presunout vysledek do vystupu displeje
|
||
|
|
|
||
|
|
pop r18
|
||
|
|
pop r17
|
||
|
|
pop r16
|
||
|
|
ret ;navrat
|
||
|
|
|
||
|
|
; B U M
|
||
|
|
BUM:
|
||
|
|
;vybuch - blikajici nuly
|
||
|
|
cli ;vypni preruseni
|
||
|
|
|
||
|
|
ldi r17,0 ;0 jednotek
|
||
|
|
rcall dec7seg ;najdi 7seg. reprezentaci jednotek a dej ji do r16
|
||
|
|
sbr r16,0b00010000 ;1 na katodu H - zhasnout tecku
|
||
|
|
mov dispL,r16 ;presunout vysledek do vystupu displeje
|
||
|
|
|
||
|
|
|
||
|
|
ldi r17,0 ;0 desitek
|
||
|
|
rcall dec7seg ;najdi 7seg. reprezentaci jednotek a dej ji do r16
|
||
|
|
sbr r16,0b00010000 ;1 na katodu H - zhasnout tecku
|
||
|
|
mov dispH,r16 ;presunout vysledek do vystupu displeje
|
||
|
|
|
||
|
|
BUMsmycka: ;nekonecna smycka, blikaji nuly
|
||
|
|
ldi r16, 255
|
||
|
|
BUMsmyckaMX:
|
||
|
|
rcall multiplex
|
||
|
|
dec r16
|
||
|
|
brne BUMsmyckaMX
|
||
|
|
|
||
|
|
ldi r16, 255
|
||
|
|
BUMsmyckaPAUZA:
|
||
|
|
ldi r17, 255
|
||
|
|
BUMsmyckaPAUZAb:
|
||
|
|
dec r17
|
||
|
|
brne BUMsmyckaPAUZAb
|
||
|
|
dec r16
|
||
|
|
brne BUMsmyckaPAUZA
|
||
|
|
|
||
|
|
rjmp BUMsmycka
|
||
|
|
|
||
|
|
; C H C I P
|
||
|
|
CHCIP:
|
||
|
|
;nekdo prestrihl spravny drat
|
||
|
|
cli
|
||
|
|
;ldi dispL,0b00000000
|
||
|
|
;ldi dispH,0b00000000
|
||
|
|
ldi r16,180 ; citac delky cekani
|
||
|
|
CHCIPsmycka:
|
||
|
|
mov r17,r16
|
||
|
|
com r17
|
||
|
|
CHCIPsmyckaMX:
|
||
|
|
rcall multiplex
|
||
|
|
dec r17
|
||
|
|
brne CHCIPsmyckaMX
|
||
|
|
|
||
|
|
mov r17,r16 ; nastaveni smycky cekani
|
||
|
|
inc r16
|
||
|
|
cpi r16,255
|
||
|
|
brsh CHCIPsleep ;uz je to moc dlouhy, usnout
|
||
|
|
|
||
|
|
CHCIPsmyckaPAUZA: ;r17*200
|
||
|
|
mov r18,r16
|
||
|
|
CHCIPsmyckaPAUZAb:
|
||
|
|
dec r18
|
||
|
|
brne CHCIPsmyckaPAUZAb
|
||
|
|
dec r17
|
||
|
|
brne CHCIPsmyckaPAUZA
|
||
|
|
rjmp CHCIPsmycka
|
||
|
|
|
||
|
|
CHCIPsleep:
|
||
|
|
cli
|
||
|
|
ldi r16,(1<<SE)|(1<<SM0)
|
||
|
|
out MCUCR,r16
|
||
|
|
sleep
|
||
|
|
|
||
|
|
; PRERUSENI OD CASOVACE f=1Hz
|
||
|
|
TIMER: ; casovac ma frekvenci 1Hz
|
||
|
|
push r16
|
||
|
|
push r17
|
||
|
|
push r18
|
||
|
|
; r19 je citac intervalu
|
||
|
|
cpi InitLoopN,0 ;je InitLoopN = 0?
|
||
|
|
breq TIMERnormal ;Je-li InitLoopN = 0, pokracuj normalnim prerusenim
|
||
|
|
; probiha uvodni cekani
|
||
|
|
; test intervaloveho citace (pokud je InitLoopN > 0, pouziva k tomu se r19)
|
||
|
|
cpi r19,0 ;je r19 = 0?
|
||
|
|
breq TIMERsnizitILN ;je-li r19 = 0, snizit InitLoopN: jdi na TIMERsnizitILN
|
||
|
|
dec r19 ;jinak o 1 sniz r19 (intervalovy citac)
|
||
|
|
;out PORTB,r19 ;DEBUG test r19
|
||
|
|
rjmp TIMERreturn ;a odejdi
|
||
|
|
TIMERsnizitILN:
|
||
|
|
dec InitLoopN ;snizit InitLoopN
|
||
|
|
ldi r19,CInitLoopMax ;nastaveni delky dalsiho intervalu
|
||
|
|
rjmp TIMERreturn ;odejdi
|
||
|
|
|
||
|
|
TIMERnormal:
|
||
|
|
;invertuj tecku (Low)
|
||
|
|
ldi r16,0b00010000
|
||
|
|
eor dispL,r16
|
||
|
|
cbr dispH,0b00010000
|
||
|
|
sbrc dispL,4 ;do H zkopiruj tecku z L (tim se zajisti, ze budou vzdy stejne)
|
||
|
|
sbr dispH,0b00010000
|
||
|
|
|
||
|
|
; r19 slouzi jako citac sekund
|
||
|
|
dec r19 ;sniz citac intervalu o 1
|
||
|
|
brne TIMERreturn ;neni-li 0, odejdi
|
||
|
|
ldi r19,CUnitSecs ;nastaveni dalsiho intervalu
|
||
|
|
; ODECTENI JEDNOTKY
|
||
|
|
cpi numL,0 ;je jednotek vic nez 0?
|
||
|
|
brne TIMERnOdectiJednotku ;jednotky > 0, jdi na odecteni jednotky
|
||
|
|
;0 jednotek
|
||
|
|
cpi numH, 0 ;0 jednotek. je desitek vic nez 0?
|
||
|
|
brne TIMERnOdectiPresDesitku ;je-li desitek vic nez 0, jdi na odecteni desitky
|
||
|
|
;0 jednotek i desitek
|
||
|
|
rcall BUM
|
||
|
|
|
||
|
|
TIMERnOdectiPresDesitku:
|
||
|
|
;0 jednotek, n > 0 desitek
|
||
|
|
dec numH ;odecti desitku
|
||
|
|
ldi numL,9 ;dej jednotky=9
|
||
|
|
rjmp TIMERnOdecteniHotovo ;preskoc na TIMERnOdecteniHotovo
|
||
|
|
|
||
|
|
TIMERnOdectiJednotku:
|
||
|
|
dec numL ;odecti jednotku
|
||
|
|
|
||
|
|
TIMERnOdecteniHotovo:
|
||
|
|
cpi numH,0 ;test desitek
|
||
|
|
brne TIMERnHotovoNevybuch ; neni nula -> ok
|
||
|
|
cpi numL,0 ;test jednotek
|
||
|
|
brne TIMERnHotovoNevybuch ; neni nula -> ok
|
||
|
|
;je nula
|
||
|
|
rcall BUM ;je nula: vybuchni
|
||
|
|
|
||
|
|
TIMERnHotovoNevybuch:
|
||
|
|
;uprav displej
|
||
|
|
mov r17,numL ;zpracovat numL
|
||
|
|
rcall dec7seg ;najdi 7seg. reprezentaci jednotek a dej ji do r16
|
||
|
|
sbrc dispL,4 ;neni-li H nastaven na displeji, preskoc
|
||
|
|
sbr r16,0b00010000 ;nastaveni H v novem stavu displeje
|
||
|
|
mov dispL,r16 ;presunout vysledek do vystupu displeje
|
||
|
|
|
||
|
|
mov r17,numH ;zpracovat numH
|
||
|
|
rcall dec7seg ;najdi 7seg. reprezentaci jednotek a dej ji do r16
|
||
|
|
sbrc dispH,4 ;neni-li H nastaven na displeji, preskoc
|
||
|
|
sbr r16,0b00010000 ;nastaveni H v novem stavu displeje
|
||
|
|
mov dispH,r16 ;presunout vysledek do vystupu displeje
|
||
|
|
;je obnoven stav displeje, konec preruseni
|
||
|
|
|
||
|
|
TIMERreturn:
|
||
|
|
pop r18 ;navratit puvodni hodnoty registru
|
||
|
|
pop r17
|
||
|
|
pop r16
|
||
|
|
reti
|