91 lines
2.6 KiB
NASM
91 lines
2.6 KiB
NASM
; ***************************************************************************
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; copyright : (C) 2025 by Martin Preuss
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; email : martin@libchipcard.de
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;
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; ***************************************************************************
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; * This file is part of the project "AqHome". *
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; * Please see toplevel file COPYING of that project for license details. *
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; ***************************************************************************
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; ***************************************************************************
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;
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; AtTiny84
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; --------
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; VCC 1 14 GND
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; OWI PB0 2 13 PA0
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; PB1 3 12 PA1 COM-DATA
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; PB3 4 11 PA2
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; PB2 5 10 PA3 LED
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; COM_ATTN PA7 6 9 PA4 LED_CLK
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; LED_DATA PA6 7 8 PA5
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; --------
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;
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; ***************************************************************************
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.equ BOOTLOADER_ADDR = 0xd00
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.equ FIRMWARE_VARIANT_BOOT = 0
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.equ FIRMWARE_VARIANT_LEDSTRIPS = 1
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.equ DEVICEINFO_ID = 'N'
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.equ DEVICEINFO_VERSION = 25
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.equ DEVICEINFO_REVISION = 0
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; ---------------------------------------------------------------------------
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; LED module
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.equ LED_SIMPLE_ONTIME = 1
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.equ LED_SIMPLE_OFFTIME = 50
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.equ LED_SIMPLE_DDR = DDRA
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.equ LED_SIMPLE_PORT = PORTA
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.equ LED_SIMPLE_PORTIN = PINA
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.equ LED_SIMPLE_PINNUM = PORTA3
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; ---------------------------------------------------------------------------
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; COM module
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.equ COM_BIT_LENGTH = 52000 ; 104000ns=9600, 52000ns=19200, 26000ns=38400
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.equ COM_HALFBIT_LENGTH = 26000 ; see https://de.wikipedia.org/wiki/Universal_Asynchronous_Receiver_Transmitter
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.equ COM_DATA_DDR = DDRA
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.equ COM_DATA_INPUT = PINA
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.equ COM_DATA_OUTPUT = PORTA
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.equ COM_DATA_PIN = PORTA1
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.equ COM_ATTN_DDR = DDRA
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.equ COM_ATTN_INPUT = PINA
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.equ COM_ATTN_OUTPUT = PORTA
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.equ COM_ATTN_PIN = PORTA7
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.equ COM_IRQ_ADDR_ATTN = PCMSK0
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.equ COM_IRQ_BIT_ATTN = PCINT7 ; bit 7 in PCMSK0 (PCINT7)
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.equ COM_IRQ_GIFR_ATTN = PCIF0
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.equ COM_IRQ_GIMSK_ATTN = PCIE0
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; ---------------------------------------------------------------------------
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; 1-Wire Master
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;
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.equ OWI_DDR = DDRB
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.equ OWI_PORTOUT = PORTB
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.equ OWI_PORTIN = PINB
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.equ OWI_PINNUM = PORTB0
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; ---------------------------------------------------------------------------
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; SK6812
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.equ SK6812_DDR = DDRA
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.equ SK6812_PORT = PORTA
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.equ SK6812_PINNUM = PORTA6
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