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; *****************************************************
; * ATtiny2313-Eggwatch, Version 1, 20.10.2006 *
; * (C)2006 by G.Schmidt info!at!avr-asm-tutorial.net *
; *****************************************************
;
.NOLIST
.INCLUDE "tn2313def.inc"
.LIST
;
; ***************************************
; Fuses-setting in the ATtiny2313V
; ***************************************
;
; - Interal RC-Oscillator to 4 Mcs/s, CLKSEL3:0 = 0010, SUT1:0 = 10
; - Internal Clock prescaler to 8, CKDIV8 = Enabled
;
; ***************************************
; Hardware - scheme
; ***************************************
;
; __________
; / |_| |
; +3V O--|Res VCC|--O +3V
; | |
; L1K O--|PD0 PB7|--O L10A
; | |
;L1A/L2K O--|PD1 PB6|--O L9A/L10K
; | AT |
; O--|PA1 PB5|--O L8A/L9K
; | tiny |
; O--|PA0 PB4|--O L7A/L8K
; | 2313 |
;L2A/L3K O--|PD2 PB3|--O
; | V |
;L4K/L3A O--|PD3 PB2|--||--O Lsp
; | (OC0A)|
;L5K/L4A O--|PD4 PB1|--O
; | |
;L6K/L5A O--|PD5 PB0|--O L0K
; | |
; GND O--|GND PD6|--O L6A/L7K
; |___________|
;
;
; ***************************************
; Define Ports and Portbits
; ***************************************
;
.EQU pOcO = PORTB
.EQU dOcO = DDRB
.EQU bOcO = 2
;
.EQU pL0K = PORTB
.EQU dL0K = DDRB
.EQU bL0K = 0
;
.EQU pL1K = PORTD
.EQU dL1K = DDRD
.EQU bL1K = 0
;
.EQU pL1A = PORTD
.EQU dL1A = DDRD
.EQU bL1A = 1
;
.EQU pL2K = PORTD
.EQU dL2K = DDRD
.EQU bL2K = 1
;
.EQU pL2A = PORTD
.EQU dL2A = DDRD
.EQU bL2A = 2
;
.EQU pL3K = PORTD
.EQU dL3K = DDRD
.EQU bL3K = 2
;
.EQU pL3A = PORTD
.EQU dL3A = DDRD
.EQU bL3A = 3
;
.EQU pL4K = PORTD
.EQU dL4K = DDRD
.EQU bL4K = 3
;
.EQU pL4A = PORTD
.EQU dL4A = DDRD
.EQU bL4A = 4
;
.EQU pL5K = PORTD
.EQU dL5K = DDRD
.EQU bL5K = 4
;
.EQU pL5A = PORTD
.EQU dL5A = DDRD
.EQU bL5A = 5
;
.EQU pL6K = PORTD
.EQU dL6K = DDRD
.EQU bL6K = 5
;
.EQU pL6A = PORTD
.EQU dL6A = DDRD
.EQU bL6A = 6
;
.EQU pL7K = PORTD
.EQU dL7K = DDRD
.EQU bL7K = 6
;
.EQU pL7A = PORTB
.EQU dL7A = DDRB
.EQU bL7A = 4
;
.EQU pL8K = PORTB
.EQU dL8K = DDRB
.EQU bL8K = 4
;
.EQU pL8A = PORTB
.EQU dL8A = DDRB
.EQU bL8A = 5
;
.EQU pL9K = PORTB
.EQU dL9K = DDRB
.EQU bL9K = 5
;
.EQU pL9A = PORTB
.EQU dL9A = DDRB
.EQU bL9A = 6
;
.EQU pL10K = PORTB
.EQU dL10K = DDRB
.EQU bL10K = 6
;
.EQU pL10A = PORTB
.EQU dL10A = DDRB
.EQU bL10A = 7
;
; ***************************************
; Function of Timing
; ***************************************
;
; Timer1 = time measuring
; _______ ______ ______ ______ _____ ______
; |RC-Osc.| | CDiv |500|Presc.|62,5|TC1CNT|5cs| LED |0,5|MinCnt|
; | 4 Mcs |===>| / 8 |==>| / 8 |===>|/12500|==>|Count|==>| / 30 |==>1 Min.
; |_______| |______|kcs|______|kcs |______| |_____|cs |______|
; |
; Timer0= Audio-gener. |
; | ______ ______
; | |Presc.| |TC0CNT|992cs/s
; |=>| / 8 |==>| / 63 |===> OC0A = Beep-Loudspeaker
; |______| |______|
;
;
; ***************************************
; Register
; ***************************************
;
.DEF rmp = R16
.DEF rFlg = R17
.DEF rLed = R18
.DEF rSec = R19
.DEF rMin = R20
.DEF rNb = R21
;
; ***************************************
; Reset and Interrupt-Vectors
; ***************************************
;
.CSEG
.ORG $0000
rjmp Main ; Reset
reti ; INT0 Interrupt
reti ; INT1 Interrupt
reti ; TC1Capt Interrupt
rjmp TC1CmpA ; Timer 1 Compare A match
reti ; TC1 Overflow Int
reti ; TC0 Overflow Int
reti ; UART0 RX Int
reti ; UART0 TX Int
reti ; Ana Comp Int
reti ; PCINT
reti ; TC1 CompB Int
reti ; TC0 Compare Match A Int
reti ; TC0 Compare Match B Int
reti ; USISTART Int
reti ; USIOverflow Int
reti ; EERDY Int
reti ; WDT Overflow Int
;
; ***************************************
; TC1 Compare Match A Interrupt Routine
; ***************************************
;
TC1CmpA:
set
reti
;
; ***************************************
; Main program
; ***************************************
;
Main:
; Stack init
ldi rmp,LOW(RAMEND) ; Set Stack pointer
out SPL,rmp
; Init Register
ldi rFlg,0 ; Init Flag
ldi rLed,0 ; Init LEDs
ldi rSec,0 ; Init 0.5-Second counter
ldi rMin,1 ; Init Minute counter
ldi rNb,1 ; Init Beep-counter
; Init OCR0A-Output for Beep
sbi dOcO,bOcO
; Init Timer 1 for time measuring and LED control
ldi rmp,HIGH(12500) ; CTC-value
out OCR1AH,rmp
ldi rmp,LOW(12500)
out OCR1AL,rmp
clr rmp ; Controlword A
out TCCR1A,rmp
ldi rmp,(1<<WGM12)|(1<<CS11) ; to CTC mode
out TCCR1B,rmp
ldi rmp,1<<OCIE1A ; Timer1-Interrupt
out TIMSK,rmp
; Init Timer 0 for Beep-Output
ldi rmp,(1<<COM0A0)|(1<<WGM01) ; CTC, Toggle Compare A
out TCCR0A,rmp
ldi rmp,1<<CS01 ; beep on
out TCCR0B,rmp
ldi rmp,63 ; CTC-value
out OCR0A,rmp
ldi rmp,1<<SE ; sleep idle
out MCUCR,rmp
sei ; Enable Ints
;
; ***************************************
; Main program - Loop
; ***************************************
;
; to sleep mode idle
An:
sleep ; Sleep on
nop ; wake up
brtc An ; T-Flag not activated by Timer
clt ; T-Flag reset
sbrc rLed,0 ; Bit 0 is Beep-control
rjmp BeepAus
tst rNb ; test beeps = 0
breq BeepAus ; switch Beeps off
ldi rmp,1<<CS01 ; beep on
out TCCR0B,rmp
dec rNb ; decrement Beeps
rjmp LedAus
BeepAus:
ldi rmp,0 ; Beep off, stop Timer
out TCCR0B,rmp
LedAus:
ldi ZH,HIGH(TabAus) ; jump table LED off
ldi ZL,LOW(TabAus)
add ZL,rLed ; add current LED
brcc MachAus
inc ZH
MachAus:
ijmp ; current LED deactivation
Aus: ; LED is off
inc rLed ; increase conter
cpi rLed,10 ; already at ten
brne Weiter ; no
clr rLed ; yes, start again
inc rSec ; inc 0.5-second counter
cpi rSec,30 ; reached 30?
brcs Weiter ; no, not yet
clr rSec ; yes, clear 0.5-second counter
mov rNb,rMin ; copy Minutes to Beep-counter
inc rMin ; inc Minute counter
cpi rMin,11 ; 10 Minutes over?
brcs Weiter ; no
clr rMin ; restart Minute counter
ldi rNb,255 ; Beep for a whole Minute
sbi dL0K,bL0K ; Output yellow LED on
cbi pL0K,bL0K ; yellow LED on
Weiter: ; current LED red or green?
ldi ZH,HIGH(TabRot) ; try with red
ldi ZL,LOW(TabRot)
cp rLed,rMin ; current LED smaller than Minute counter
brcs Weiter1 ; yes
ldi ZH,HIGH(TabGruen) ; no, it's green
ldi ZL,LOW(TabGruen)
Weiter1: ; switch LED on
add ZL,rLed ; add LED to base address
brcc MachAn
inc ZH
MachAn: ; switch LED on
ijmp
;
; ***************************************
; Jump tables
; ***************************************
;
; Jump table for LEDs red
TabRot:
rjmp L1R
rjmp L2R
rjmp L3R
rjmp L4R
rjmp L5R
rjmp L6R
rjmp L7R
rjmp L8R
rjmp L9R
rjmp L10R
; Jump table for LEDs green
TabGruen:
rjmp L1G
rjmp L2G
rjmp L3G
rjmp L4G
rjmp L5G
rjmp L6G
rjmp L7G
rjmp L8G
rjmp L9G
rjmp L10G
; Jump table for LEDs off
TabAus:
rjmp L1A
rjmp L2A
rjmp L3A
rjmp L4A
rjmp L5A
rjmp L6A
rjmp L7A
rjmp L8A
rjmp L9A
rjmp L10A
;
; ***************************************
; LED switching routines
; ***************************************
;
; LEDs off
L1A:
cbi pL1A,bL1A
cbi pL1K,bL1K
cbi dL1A,bL1A
cbi dL1K,bL1K
rjmp Aus
L2A:
cbi pL2A,bL2A
cbi pL2K,bL2K
cbi dL2A,bL2A
cbi dL2K,bL2K
rjmp Aus
L3A:
cbi pL3A,bL3A
cbi pL3K,bL3K
cbi dL3A,bL3A
cbi dL3K,bL3K
rjmp Aus
L4A:
cbi pL4A,bL4A
cbi pL4K,bL4K
cbi dL4A,bL4A
cbi dL4K,bL4K
rjmp Aus
L5A:
cbi pL5A,bL5A
cbi pL5K,bL5K
cbi dL5A,bL5A
cbi dL5K,bL5K
rjmp Aus
L6A:
cbi pL6A,bL6A
cbi pL6K,bL6K
cbi dL6A,bL6A
cbi dL6K,bL6K
rjmp Aus
L7A:
cbi pL7A,bL7A
cbi pL7K,bL7K
cbi dL7A,bL7A
cbi dL7K,bL7K
rjmp Aus
L8A:
cbi pL8A,bL8A
cbi pL8K,bL8K
cbi dL8A,bL8A
cbi dL8K,bL8K
rjmp Aus
L9A:
cbi pL9A,bL9A
cbi pL9K,bL9K
cbi dL9A,bL9A
cbi dL9K,bL9K
rjmp Aus
L10A:
cbi pL10A,bL10A
cbi pL10K,bL10K
cbi dL10A,bL10A
cbi dL10K,bL10K
rjmp Aus
; LEDs green
L1G:
sbi pL1A,bL1A
cbi pL1K,bL1K
sbi dL1A,bL1A
sbi dL1K,bL1K
rjmp An
L2G:
sbi pL2A,bL2A
cbi pL2K,bL2K
sbi dL2A,bL2A
sbi dL2K,bL2K
rjmp An
L3G:
sbi pL3A,bL3A
cbi pL3K,bL3K
sbi dL3A,bL3A
sbi dL3K,bL3K
rjmp An
L4G:
sbi pL4A,bL4A
cbi pL4K,bL4K
sbi dL4A,bL4A
sbi dL4K,bL4K
rjmp An
L5G:
sbi pL5A,bL5A
cbi pL5K,bL5K
sbi dL5A,bL5A
sbi dL5K,bL5K
rjmp An
L6G:
sbi pL6A,bL6A
cbi pL6K,bL6K
sbi dL6A,bL6A
sbi dL6K,bL6K
rjmp An
L7G:
sbi pL7A,bL7A
cbi pL7K,bL7K
sbi dL7A,bL7A
sbi dL7K,bL7K
rjmp An
L8G:
sbi pL8A,bL8A
cbi pL8K,bL8K
sbi dL8A,bL8A
sbi dL8K,bL8K
rjmp An
L9G:
sbi pL9A,bL9A
cbi pL9K,bL9K
sbi dL9A,bL9A
sbi dL9K,bL9K
rjmp An
L10G:
sbi pL10A,bL10A
cbi pL10K,bL10K
sbi dL10A,bL10A
sbi dL10K,bL10K
rjmp An
; LEDs red
L1R:
cbi pL1A,bL1A
sbi pL1K,bL1K
sbi dL1A,bL1A
sbi dL1K,bL1K
rjmp An
L2R:
cbi pL2A,bL2A
sbi pL2K,bL2K
sbi dL2A,bL2A
sbi dL2K,bL2K
rjmp An
L3R:
cbi pL3A,bL3A
sbi pL3K,bL3K
sbi dL3A,bL3A
sbi dL3K,bL3K
rjmp An
L4R:
cbi pL4A,bL4A
sbi pL4K,bL4K
sbi dL4A,bL4A
sbi dL4K,bL4K
rjmp An
L5R:
cbi pL5A,bL5A
sbi pL5K,bL5K
sbi dL5A,bL5A
sbi dL5K,bL5K
rjmp An
L6R:
cbi pL6A,bL6A
sbi pL6K,bL6K
sbi dL6A,bL6A
sbi dL6K,bL6K
rjmp An
L7R:
cbi pL7A,bL7A
sbi pL7K,bL7K
sbi dL7A,bL7A
sbi dL7K,bL7K
rjmp An
L8R:
cbi pL8A,bL8A
sbi pL8K,bL8K
sbi dL8A,bL8A
sbi dL8K,bL8K
rjmp An
L9R:
cbi pL9A,bL9A
sbi pL9K,bL9K
sbi dL9A,bL9A
sbi dL9K,bL9K
rjmp An
L10R:
cbi pL10A,bL10A
sbi pL10K,bL10K
sbi dL10A,bL10A
sbi dL10K,bL10K
rjmp An
;
; End of source code
;
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