111 lines
3.0 KiB
NASM
111 lines
3.0 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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; AtTiny 841
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; -------
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; VCC 1 14 GND
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; UART_CTS PB0 2 13 PA0 COM_CLK
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; UART_RTS PB1 3 12 PA1 TXD0 (UART0)
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; /RESET PB3 4 11 PA2 RXD0 (UART0)
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; LED PB2 5 10 PA3 COM_DATA
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; 1-wire PA7 6 9 PA4 PRG_SCK
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; PRG_MOSI PA6 7 8 PA5 PRG_MISO
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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_TEMP_WINDOW = 1
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.equ DEVICEINFO_ID = 'T'
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.equ DEVICEINFO_VERSION = 4
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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 = 2
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.equ LED_SIMPLE_OFFTIME = 30
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.equ LED_SIMPLE_DDR = DDRB
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.equ LED_SIMPLE_PORT = PORTB
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.equ LED_SIMPLE_PORTIN = PINB
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.equ LED_SIMPLE_PINNUM = PORTB2
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; ---------------------------------------------------------------------------
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; LED signal module
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.equ LED_SIGNAL_DDR = DDRB
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.equ LED_SIGNAL_PORT = PORTB
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.equ LED_SIGNAL_PORTIN = PINB
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.equ LED_SIGNAL_PINNUM = PORTB2
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; ---------------------------------------------------------------------------
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; LED activity module
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.equ LED_ACTIVITY_DDR = DDRB
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.equ LED_ACTIVITY_PORT = PORTB
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.equ LED_ACTIVITY_PORTIN = PINB
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.equ LED_ACTIVITY_PINNUM = PORTB2
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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_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_PUE = PUEA
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.equ COM_DATA_PIN = PORTA3
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.equ COM_CLK_DDR = DDRA
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.equ COM_CLK_INPUT = PINA
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.equ COM_CLK_OUTPUT = PORTA
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.equ COM_CLK_PUE = PUEA
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.equ COM_CLK_PIN = PORTA0
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.equ COM_IRQ_ADDR_CLK = PCMSK0
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.equ COM_IRQ_BIT_CLK = PCINT0 ; bit 0 in PCMSK0
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.equ COM_IRQ_GIFR_CLK = PCIF0
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.equ COM_IRQ_GIMSK_CLK = PCIE0
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; ---------------------------------------------------------------------------
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; 1-Wire Master
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;
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.equ OWI_DDR = DDRA
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.equ OWI_PORTOUT = PORTA
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.equ OWI_PORTIN = PINA
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.equ OWI_PINNUM = PORTA7
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; ---------------------------------------------------------------------------
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; ComOnUart module
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.equ USART0_DATAREG = UDR0
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.equ USART1_DATAREG = UDR1
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