163 lines
4.2 KiB
NASM
163 lines
4.2 KiB
NASM
; ***************************************************************************
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; copyright : (C) 2026 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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; PB0 2 13 PA0 LUM
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; PIR PB1 3 12 PA1 COM-DATA
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; /RESET PB3 4 11 PA2
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; PB2 5 10 PA3 LED
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; COM_CLK PA7 6 9 PA4 TWI-SCL
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; TWI-SDA 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_TEMP_WINDOW = 1
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.equ DEVICEINFO_ID = 'N'
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.equ DEVICEINFO_VERSION = 29
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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 = 99 ; longer
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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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; LED Activity module
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.equ LED_ACTIVITY_DDR = DDRA
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.equ LED_ACTIVITY_PORT = PORTA
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.equ LED_ACTIVITY_PORTIN = PINA
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.equ LED_ACTIVITY_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_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_PIN = PORTA7
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.equ COM_IRQ_ADDR_CLK = PCMSK0
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.equ COM_IRQ_BIT_CLK = PCINT7 ; bit 7 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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; TWI master module
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;.equ TWI_BIT_LENGTH = 10000 ; 100000 and 200000 works for display: 10000, 100000, 200000
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.equ TWI_BIT_LENGTH = 1 ; 10, 100, 500, 100000 and 200000 works for display: 10000, 100000, 200000
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.equ TWI_DDR_SCL = DDRA
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.equ TWI_PORT_SCL = PORTA
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.equ TWI_PIN_SCL = PINA
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.equ TWI_PINNUM_SCL = PORTA4
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.equ TWI_DDR_SDA = DDRA
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.equ TWI_PORT_SDA = PORTA
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.equ TWI_PIN_SDA = PINA
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.equ TWI_PINNUM_SDA = PORTA6
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; ---------------------------------------------------------------------------
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; SI 7021
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.equ SI7021_ADDR = 0x40
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; ---------------------------------------------------------------------------
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; SGB 30
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.equ SGP30_ADDR = 0x58
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; ---------------------------------------------------------------------------
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; SGB 40
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.equ SGP40_ADDR = 0x59
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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 = PORTB2
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; ---------------------------------------------------------------------------
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; Motion Sensor
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;
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.equ MOTION_DDR = DDRB
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.equ MOTION_INPUT = PINB
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.equ MOTION_OUTPUT = PORTB
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.equ MOTION_PIN = PORTB1
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; ---------------------------------------------------------------------------
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; CCS 811
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;
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.equ CCS811_ADDR = 0x5a ; or 0x5b
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; ---------------------------------------------------------------------------
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; Brightness
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.equ BRIGHTNESS_ADC_PORT = PORTA ; adc0
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.equ BRIGHTNESS_ADC_DDR = DDRA
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.equ BRIGHTNESS_ADC_PIN = PORTA0
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.equ BRIGHTNESS_ADC_MUX = 0
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