; *************************************************************************** ; 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. * ; *************************************************************************** ; *************************************************************************** ; Source file for base system node on AtTiny 84 ; ; This is for the maintenance system (i.e. the flash loader). ; ; All definitions and changes should go into this file. ; *************************************************************************** .equ clock=1000000 ; Define the clock frequency .nolist .include "include/tn861Adef.inc" ; Define device ATtiny861A .list .include "common/calls.asm" .include "common/utils_io.asm" .include "devices/all/io_1.asm" .include "version.asm" .include "../defs.asm" .include "devices/all/defs.asm" #define COM_ACCEPT_ALL_DEST ; *************************************************************************** ; defines ; --------------------------------------------------------------------------- ; generic .include "common/utils_wait.asm" ; --------------------------------------------------------------------------- ; firmware settings ; --------------------------------------------------------------------------- ; LED .equ LED_DDR = DDRA .equ LED_PORT = PORTA .equ LED_PIN = PINA .equ LED_PINNUM = PORTA3 ; *************************************************************************** ; code segment .cseg .org 0x0000 ; --------------------------------------------------------------------------- ; Reset and interrupt vectors rjmp main ; 0x00: Reset vector Reset Vector reti ; 0x01: INT0 External Interrupt 0 reti ; 0x02: PCI Pin Change Interrupt reti ; 0x03: OC1A Timer/Counter1 Compare Match 1A reti ; 0x04: OC1B Timer/Counter1 Compare Match 1B reti ; 0x05: OVF1 Timer/Counter1 Overflow reti ; 0x06: OVF0 Timer/Counter0 Overflow reti ; 0x07: USI_START USI Start reti ; 0x08: USI_OVF USI Overflow reti ; 0x09: ERDY EEPROM Ready reti ; 0x0a: ACI Analog Comparator reti ; 0x0b: ADCC ADC Conversion Complete reti ; 0x0c: WDT Watchdog Time-Out reti ; 0x0d: INT1 External Interrupt 1 reti ; 0x0e: OC0A Timer/Counter0 Compare Match A reti ; 0x0f: OC0B Timer/Counter0 Compare Match B reti ; 0x10: ICP0 Interrupt Capture Event for Timer/Counter0 reti ; 0x11: OC1D Timer/Counter1 Compare Match D reti ; 0x12: FAULT_PROT Timer/Counter1 Fault Protection devInfoBlock: ; 12 bytes devInfoManufacturer: .db 'A', 'Q', 'U', 'A' devInfoId: .db DEVICEINFO_ID, 0 devInfoVersion: .db DEVICEINFO_VERSION, DEVICEINFO_REVISION ; version, revision firmwareVersion: .db FIRMWARE_VARIANT_BOOT, FIRMWARE_VERSION_MAJOR .db FIRMWARE_VERSION_MINOR, FIRMWARE_VERSION_PATCHLEVEL firmwareStart: rjmp main ; will be overwritten when flashing ; *************************************************************************** ; main code .org BOOTLOADER_ADDR main: rjmp bootLoader ; this routine is in modules/bootloader/main.asm ; *************************************************************************** ; includes .include "common/utils_wait_fixed.asm" .include "common/utils_copy_from_flash.asm" .include "common/utils_copy_sdram.asm" .include "modules/flash/defs.asm" .include "modules/flash/eeprom.asm" .include "modules/flash/io.asm" .include "modules/flash/io_com2w.asm" .include "modules/flash/flash1p.asm" .include "modules/flash/flashxp.asm" .include "modules/flash/flashprocess.asm" .include "modules/flash/wait.asm" .include "modules/bootloader/main.asm" .include "modules/network/msg/defs.asm" .include "modules/network/msg/crc.asm" ;.include "common/debug.asm" systemSetSpeed: .if clock == 8000000 ldi r16, (1<