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176 lines
3.9 KiB
176 lines
3.9 KiB
10 years ago
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; Zapojeni:
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; +------u------+
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; Vcc -> reset --+ /RST Vcc +-- napajeni +5V
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; SW0 G --+ PD0 PB7 +---[wakeswitch]--GND
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; SW1 G --+ PD1 PB6 +-- LED MAIN K
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; --+ PA1 PB5 +-- LED 5 K
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; Vcc-[speaker]----+ PA0 PB4 +-- LED 4 K
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; SW2 G --+ PD2 PB3 +-- LED 3 K
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; SW3 G --+ PD3 PB2 +-- LED 2 K
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; SW4 G --+ PD4 PB1 +-- LED 1 K
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; SW5 G --+ PD5 PB0 +-- LED 0 K
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; GND --+ GND PD6 +--
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; +-------------+
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;"K" = katoda (ledka zapojena mezi Vcc a timhle pinem, aktivni je 0)
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;"G" = ground (spinac mezi tomhle pionem a zemi, aktivni je 0)
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.device attiny2313
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;běží na 4MHz, ckdiv8=1 (vypnuto)
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;LFUSE: 0xE2
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;HFUSE: 0xDF
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.equ FrekvenceMorse = 50 ;62500/tohle Hz tón 42
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;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
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;PORTA
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.equ SYSPORT = PORTA
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.equ SYSPIN = PINA
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.equ SYSDDR = DDRA
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.equ speak = 0
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.equ inkey = 7
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;PORTB
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.equ LEDPORT = PORTB
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.equ LEDDDR = DDRB
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.equ LEDPIN = PINB
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.equ ledm = 6
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;PORTD
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.equ SWPORT = PORTD
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.equ SWPIN = PIND
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.equ SWDDR = DDRD
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;A L I A S Y R E G I S T R U
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.def cmatch = r19
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.def louter = r18
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.def linner = r17
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.def curchar = r25
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.def morspart = r24
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;aliasy pointerů
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.def ZH = r31
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.def ZL = r30
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;.def YH = r29
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;.def YL = r28
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;.def XH = r27
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;.def XL = r26
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; M A K R A
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;Reprak (zapnuti a vypnuti pipani 1kHz)
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.MACRO BuzzOn
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sbi SYSPORT,speak
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ldi r16,(1<<CS01)|(1<<CS00) ;TC0 zapnut, prescaler na 64 (4000000/64=62500)
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out TCCR0B,r16
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.ENDMACRO
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.MACRO BuzzOff
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clr r16 ;TC0 vypnut (hodiny zastaveny)
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out TCCR0B,r16
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sbi SYSPORT,speak ;vymazat speak (aby netekl proud reprakem)
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.ENDMACRO
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.MACRO SetTone
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out OCR0A,r16
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.ENDMACRO
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;.MACRO DefaultTone
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; ldi r16,FrekvenceMorse
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; out OCR0A,r16
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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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;vektory preruseni
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.org 0x0000 ;RESET
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rjmp RESET ;skok na start po resetu
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.org 0x000D ;TC0 Compare match A
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sbi SYSPIN,speak ;přepnout speak
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reti ;návrat do programu (0x000E)
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.org 0x0013
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;nastaveni po resetu
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.DB "PIPAC PRO PUNTU NA MORSE"
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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
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; Nastaveni portu
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;PORTA = SYSPORT
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ldi r16,0b00000011 ;smer portu A - vse na výstup (speak)
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out SYSDDR,r16
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ldi r16,0b00000001 ;speak=1 (je mezi Vcc a timhle, takze skrz nej nic netece)
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out SYSPORT,r16
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;PORTB = LEDPORT
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ldi r16,0b01111111 ;smer portu B - vystupni (ledky) - použijou se piny 0-6, 7. = pip
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out LEDDDR,r16
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ldi r16,0b11111111 ;vse v PORTB na 1 = ledky zhasnuty, pip pullup enabled
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out LEDPORT,r16
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;PORTD = SWPORT
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ldi r16,0b00000000 ;smer portu D - vse na vstup (tlačítka) - použijou se jen piny 0-5, 6. zbyde
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out SWDDR,r16
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ldi r16,0b01111111 ;enable pullup
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out SWPORT,r16
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; timer0 - generator f=1kHz (pipak)
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ldi r16,(1<<WGM01) ;port se neovlivnuje citacem, CTC mod
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out TCCR0A,r16
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ldi r16,62 ;compare match = 62 (vystupni frekvence 1kHz)
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out OCR0A,r16
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ldi r16,(1<<OCIE0A) ;povolit interupt z casovace (jeste nutno zapnout: makro BuzzOn)
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out TIMSK,r16
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ldi r16,50
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SetTone
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;pipani aktivuje makro BuzzOn, vypne makro BuzzOff
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sei ;Global Interrupt Enable
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ldi r20,0b10000000
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loop:
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in r19,LEDPIN
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andi r19,0b10000000
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cp r19,r20
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breq loop ;beze zmeny, opakuj test
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ldi r16,255
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l1: in r18,LEDPIN
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andi r18,0b10000000
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cp r18,r19 ;nacti LEDPIN. je porad stajny? (255x)
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brne loop ;ne -> loop
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dec r16 ;jo -> dalsi test shodnosti, l1
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brne l1
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mov r20,r19 ;uloz jako minulou hodnotu pinu
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cpi r20,0b10000000 ;je nestisknuto?
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breq beepoff ;vypni pip
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ldi r16,0b10000000
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out LEDPORT,r16 ;rozsvit ledky
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BuzzOn ;jinak pipej
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rjmp loop
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beepoff:
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BuzzOff
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ldi r16,0b11111111
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out LEDPORT, r16 ;zhasni ledky
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out LEDPORT,r16
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rjmp loop
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