; *************************************************************************** ; copyright : (C) 2026 by Martin Preuss ; email : martin@libchipcard.de ; ; *************************************************************************** ; * This file is part of the project "AqHome". * ; * Please see toplevel file COPYING of that project for license details. * ; *************************************************************************** ; *************************************************************************** ; ; AtTiny 841 ; ------- ; VCC 1 14 GND ; UART_CTS PB0 2 13 PA0 COM_CLK ; UART_RTS PB1 3 12 PA1 TXD0 (UART0) ; /RESET PB3 4 11 PA2 RXD0 (UART0) ; LED PB2 5 10 PA3 COM_DATA ; 1-wire PA7 6 9 PA4 PRG_SCK ; PRG_MOSI PA6 7 8 PA5 PRG_MISO ; ------- ; ; *************************************************************************** .equ BOOTLOADER_ADDR = 0xd00 .equ FIRMWARE_VARIANT_BOOT = 0 .equ FIRMWARE_VARIANT_TEMP_WINDOW = 1 .equ DEVICEINFO_ID = 'E' .equ DEVICEINFO_VERSION = 1 .equ DEVICEINFO_REVISION = 0 ; --------------------------------------------------------------------------- ; LED module .equ LED_SIMPLE_ONTIME = 2 .equ LED_SIMPLE_OFFTIME = 30 .equ LED_SIMPLE_DDR = DDRB .equ LED_SIMPLE_PORT = PORTB .equ LED_SIMPLE_PORTIN = PINB .equ LED_SIMPLE_PINNUM = PORTB2 ; --------------------------------------------------------------------------- ; LED signal module .equ LED_SIGNAL_DDR = DDRB .equ LED_SIGNAL_PORT = PORTB .equ LED_SIGNAL_PORTIN = PINB .equ LED_SIGNAL_PINNUM = PORTB2 ; --------------------------------------------------------------------------- ; LED activity module .equ LED_ACTIVITY_DDR = DDRB .equ LED_ACTIVITY_PORT = PORTB .equ LED_ACTIVITY_PORTIN = PINB .equ LED_ACTIVITY_PINNUM = PORTB2 ; --------------------------------------------------------------------------- ; COM module .equ COM_BIT_LENGTH = 52000 ; 104000ns=9600, 52000ns=19200, 26000ns=38400 .equ COM_DATA_DDR = DDRA .equ COM_DATA_INPUT = PINA .equ COM_DATA_OUTPUT = PORTA .equ COM_DATA_PUE = PUEA .equ COM_DATA_PIN = PORTA3 .equ COM_CLK_DDR = DDRA .equ COM_CLK_INPUT = PINA .equ COM_CLK_OUTPUT = PORTA .equ COM_CLK_PUE = PUEA .equ COM_CLK_PIN = PORTA0 .equ COM_IRQ_ADDR_CLK = PCMSK0 .equ COM_IRQ_BIT_CLK = PCINT0 ; bit 0 in PCMSK0 .equ COM_IRQ_GIFR_CLK = PCIF0 .equ COM_IRQ_GIMSK_CLK = PCIE0 ; --------------------------------------------------------------------------- ; 1-Wire Master ; .equ OWI_DDR = DDRA .equ OWI_PORTOUT = PORTA .equ OWI_PORTIN = PINA .equ OWI_PINNUM = PORTA7 ; --------------------------------------------------------------------------- ; ComOnUart module .equ USART0_DATAREG = UDR0 .equ USART1_DATAREG = UDR1