176 lines
4.8 KiB
NASM
176 lines
4.8 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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; AtMega644
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; --------
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; DSPLED PB0 1 40 PA0 DEV0
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; DC PB1 2 39 PA1 DEV1
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; INT2 PB2 3 38 PA2 DEV2
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; DSPRES PB3 4 37 PA3 PA3
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; SS PB4 5 36 PA4 PA4
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; MOSI PB5 6 35 PA5
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; MISO PB6 7 34 PA6
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; SCK PB7 8 33 PA7
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; /RESET 9 32 AREF
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; VCC 10 31 GND
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; GND 11 30 AVCC
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; XTAL2 12 29 PC7
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; XTAL1 13 28 PC6
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; RXD PD0 14 27 PC5
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; TXD PD1 15 26 PC4
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; ATTN PD2 16 25 PC3
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; INT1 PD3 17 24 PC2
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; LED PD4 18 23 PC1
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; PD5 19 22 PC0
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; PD6 20 21 PD7
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; --------
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;
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; ***************************************************************************
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.equ BOOTLOADER_ADDR = 0x7c00
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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 = 'C'
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.equ DEVICEINFO_VERSION = 2
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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 ; shorter
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.equ LED_SIMPLE_OFFTIME = 50 ; longer
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.equ LED_SIMPLE_DDR = DDRD
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.equ LED_SIMPLE_PORT = PORTD
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.equ LED_SIMPLE_PORTIN = PIND
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.equ LED_SIMPLE_PINNUM = PORTD4
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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 = DDRD
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.equ COM_DATA_INPUT = PIND
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.equ COM_DATA_OUTPUT = PORTD
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.equ COM_DATA_PIN = PORTD0
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.equ COM_ATTN_DDR = DDRD
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.equ COM_ATTN_INPUT = PIND
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.equ COM_ATTN_OUTPUT = PORTD
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.equ COM_ATTN_PIN = PORTD2
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.equ COM_IRQ_ADDR_ATTN = EIMSK
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.equ COM_IRQ_BIT_ATTN = INT0
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.equ COM_IRQ_GIFR_ATTN = INTF0
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;.equ COM_IRQ_GIMSK_ATTN = PCIE0
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; ---------------------------------------------------------------------------
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; SPI hardware module
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.equ SPIHW_SS_DDR = DDRB
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.equ SPIHW_SS_INPUT = PINB
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.equ SPIHW_SS_OUTPUT = PORTB
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.equ SPIHW_SS_PIN = PORTB4
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.equ SPIHW_MOSI_DDR = DDRB
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.equ SPIHW_MOSI_INPUT = PINB
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.equ SPIHW_MOSI_OUTPUT = PORTB
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.equ SPIHW_MOSI_PIN = PORTB5
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.equ SPIHW_MISO_DDR = DDRB
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.equ SPIHW_MISO_INPUT = PINB
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.equ SPIHW_MISO_OUTPUT = PORTB
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.equ SPIHW_MISO_PIN = PORTB6
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.equ SPIHW_SCK_DDR = DDRB
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.equ SPIHW_SCK_INPUT = PINB
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.equ SPIHW_SCK_OUTPUT = PORTB
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.equ SPIHW_SCK_PIN = PORTB7
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.equ SPIHW_SS0_DDR = DDRA
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.equ SPIHW_SS0_OUTPUT = PORTA
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.equ SPIHW_SS0_INPUT = PORTA
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.equ SPIHW_SS0_PIN = PORTA0
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.equ SPIHW_SS1_DDR = DDRA
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.equ SPIHW_SS1_OUTPUT = PORTA
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.equ SPIHW_SS1_INPUT = PORTA
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.equ SPIHW_SS1_PIN = PORTA1
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.equ SPIHW_SS2_DDR = DDRA
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.equ SPIHW_SS2_OUTPUT = PORTA
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.equ SPIHW_SS2_INPUT = PORTA
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.equ SPIHW_SS2_PIN = PORTA2
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; ---------------------------------------------------------------------------
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; ILI9341 module
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.equ ILI9341_DEVICENUM = 0
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.equ ILI9341_DSP_WIDTH = 320
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.equ ILI9341_DSP_HEIGHT = 240
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.equ ILI9341_RESET_DDR = DDRB
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.equ ILI9341_RESET_OUTPUT = PORTB
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.equ ILI9341_RESET_INPUT = PORTB
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.equ ILI9341_RESET_PIN = PORTB3
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.equ ILI9341_DC_DDR = DDRB
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.equ ILI9341_DC_OUTPUT = PORTB
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.equ ILI9341_DC_INPUT = PORTB
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.equ ILI9341_DC_PIN = PORTB1
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.equ ILI9341_LED_DDR = DDRB
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.equ ILI9341_LED_OUTPUT = PORTB
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.equ ILI9341_LED_INPUT = PORTB
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.equ ILI9341_LED_PIN = PORTB0
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; ---------------------------------------------------------------------------
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; ComOnUart module
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;.equ USART0_DATAREG = UDR
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;.equ UCSR0A = UCSRA
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;.equ UCSR0B = UCSRB
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;.equ UCSR0C = UCSRC
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;.equ UBRR0L = UBRRL
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;.equ UBRR0H = UBRRH
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;.equ UCSZ00 = UCSZ0
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;.equ UCSZ01 = UCSZ1
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;.equ UDRE0 = UDRE
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;.equ RXC0 = RXC
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;.equ TXC0 = TXC
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;.equ FE0 = FE
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;.equ DOR0 = DOR
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;.equ UPE0 = UPE
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;.equ RXEN0 = RXEN
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;.equ TXEN0 = TXEN
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;.equ USBS0 = USBS
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;.equ RXCIE0 = RXCIE
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;.equ UDRIE0 = UDRIE
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