avr: added device "minimal" (minimal example for a device using AqOS4Avr).
This commit is contained in:
Martin Preuss
@@ -27,6 +27,7 @@
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s03
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t03
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t04
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minimal
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</subdirs>
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</gwbuild>
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2
avr/devices/minimal/.gitignore
vendored
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2
avr/devices/minimal/.gitignore
vendored
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*.eep.hex
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*.obj
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18
avr/devices/minimal/0BUILD
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18
avr/devices/minimal/0BUILD
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<?xml?>
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<gwbuild>
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<subdirs>
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boot
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main
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</subdirs>
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<extradist>
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defs.asm
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README
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</extradist>
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</gwbuild>
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11
avr/devices/minimal/README
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11
avr/devices/minimal/README
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Minimal
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=======
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- Role: Example for minimal system
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- MCU: AtTiny84
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- Frequency: 1MHz
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- Connection: RJ45
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- COM: COM2W
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- Predecessor: none
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- Periphery: none
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32
avr/devices/minimal/boot/0BUILD
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32
avr/devices/minimal/boot/0BUILD
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<?xml?>
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<gwbuild>
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<target type="AvrHexFile" name="minimal_boot" >
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<includes type="avrasm" >
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-I $(builddir)
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-I $(srcdir)
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-I $(topsrcdir)/avr
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-I $(topbuilddir)/avr
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</includes>
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<sources type="avrasm" >
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boot.asm
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</sources>
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</target>
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<subdirs>
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</subdirs>
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<extradist>
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</extradist>
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</gwbuild>
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157
avr/devices/minimal/boot/boot.asm
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157
avr/devices/minimal/boot/boot.asm
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; ***************************************************************************
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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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; Source file for base system node on AtTiny 84
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;
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; This is for the maintenance system (i.e. the flash loader).
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;
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; All definitions and changes should go into this file.
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; ***************************************************************************
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.equ clock=1000000 ; Define the clock frequency
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.nolist
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.include "include/tn84def.inc" ; Define device ATtiny84
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.list
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.include "version.asm"
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.include "../defs.asm"
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.include "common/calls.asm"
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.include "common/utils_io.asm"
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.include "devices/all/defs.asm"
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#define COM_ACCEPT_ALL_DEST
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; ***************************************************************************
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; defines
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; ---------------------------------------------------------------------------
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; generic
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.include "common/utils_wait.asm"
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.include "modules/com2/defs.asm"
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.include "modules/comproto/defs.asm"
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; ---------------------------------------------------------------------------
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; firmware settings
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; ---------------------------------------------------------------------------
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; LED
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.equ LED_DDR = DDRA
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.equ LED_PORT = PORTA
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.equ LED_PIN = PINA
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.equ LED_PINNUM = PORTA3
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; ***************************************************************************
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; code segment
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.cseg
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.org 0x0000
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; ---------------------------------------------------------------------------
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; Reset and interrupt vectors
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; rjmp start ; Reset vector
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rjmp main ; Reset vector
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reti ; EXT_INT0
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reti ; PCI0
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reti ; PCI1
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reti ; WATCHDOG
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reti ; ICP1
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reti ; OC1A
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reti ; OC1B
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reti ; OVF1
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reti ; OC0A
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reti ; OC0B
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reti ; OVF0
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reti ; ACI
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reti ; ADCC
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reti ; ERDY
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reti ; USI_STR
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reti ; USI_OVF
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devInfoBlock: ; 12 bytes
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devInfoManufacturer: .db 'A', 'Q', 'U', 'A'
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devInfoId: .db DEVICEINFO_ID, 0
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devInfoVersion: .db DEVICEINFO_VERSION, DEVICEINFO_REVISION ; version, revision
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firmwareVersion: .db FIRMWARE_VARIANT_BOOT, FIRMWARE_VERSION_MAJOR
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.db FIRMWARE_VERSION_MINOR, FIRMWARE_VERSION_PATCHLEVEL
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firmwareStart: rjmp main ; will be overwritten when flashing
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; ***************************************************************************
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; main code
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.org BOOTLOADER_ADDR
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main:
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rjmp bootLoader ; this routine is in modules/bootloader/main.asm
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; ***************************************************************************
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; includes
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.include "common/utils_wait_fixed.asm"
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.include "common/utils_copy_from_flash.asm"
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.include "common/utils_copy_sdram.asm"
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.include "modules/flash/defs.asm"
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.include "modules/flash/eeprom.asm"
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.include "modules/flash/io.asm"
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.include "modules/flash/io_com2w.asm"
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.include "modules/flash/flash1p.asm"
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.include "modules/flash/flashxp.asm"
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.include "modules/flash/flashprocess.asm"
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.include "modules/flash/wait.asm"
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.include "modules/bootloader/main.asm"
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.include "modules/network/msg/defs.asm"
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.include "modules/network/msg/crc.asm"
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;.include "common/debug.asm"
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systemSetSpeed:
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.if clock == 8000000
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ldi r16, (1<<CLKPCE)
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ldi r17, 0
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out CLKPR, r16
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out CLKPR, r17
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.endif
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.if clock == 1000000
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ldi r16, (1<<CLKPCE)
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ldi r17, (1<<CLKPS1) | (1<<CLKPS0)
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out CLKPR, r16
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out CLKPR, r17
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.endif
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ret
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73
avr/devices/minimal/defs.asm
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73
avr/devices/minimal/defs.asm
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; ***************************************************************************
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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
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; 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_DEFAULT = 1
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.equ DEVICEINFO_ID = 'X'
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.equ DEVICEINFO_VERSION = 0
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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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; 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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33
avr/devices/minimal/main/0BUILD
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33
avr/devices/minimal/main/0BUILD
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@@ -0,0 +1,33 @@
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<?xml?>
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<gwbuild>
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<target type="AvrHexFile" name="minimal_firmware" >
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<includes type="avrasm" >
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-I $(builddir)
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-I $(srcdir)
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-I $(topsrcdir)/avr
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-I $(topbuilddir)/avr
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</includes>
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<sources type="avrasm" >
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main.asm
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</sources>
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</target>
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<subdirs>
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</subdirs>
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<extradist>
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</extradist>
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</gwbuild>
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192
avr/devices/minimal/main/main.asm
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192
avr/devices/minimal/main/main.asm
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; ***************************************************************************
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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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; Source file for temperature sensor node on AtTiny 84
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;
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; This is for the full system (i.e. not the boot loader).
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;
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; All definitions and changes should go into this file.
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;
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;
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; ***************************************************************************
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.equ clock=1000000 ; Define the clock frequency
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;.equ clock=8000000 ; Define the clock frequency
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.nolist
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.include "include/tn84def.inc" ; Define device ATtiny84
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.list
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.include "../defs.asm"
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.include "version.asm"
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.include "devices/all/defs.asm"
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.include "common/calls.asm"
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.include "common/utils_io.asm"
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.include "common/utils_wait.asm"
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; ***************************************************************************
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; defines
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; ---------------------------------------------------------------------------
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; generic
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.equ NET_BUFFERS_NUM = 6
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.equ NET_MSGNUMINBUF_SIZE = 8 ; max buffer nums in ringbuffer (global incoming)
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.equ NET_IFACE_OUTMSGBUF_SIZE = 8 ; max buffer nums in ringbuffer (per interface outbound)
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; ---------------------------------------------------------------------------
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; firmware settings including list of modules used
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#define MODULES_CLOCK
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#define MODULES_LED_SIMPLE
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#define MODULES_NETWORK
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#define MODULES_COM2W
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#define APPS_NETWORK
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#define APPS_STATS
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; ***************************************************************************
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; code segment
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.cseg
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.org 000000
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; ---------------------------------------------------------------------------
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; Reset and interrupt vectors
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rjmp BOOTLOADER_ADDR ; Reset vector ; use this for flashed system
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reti ; EXT_INT0
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#ifdef MODULES_COM2W.
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rjmp com2wPcintIsr ; PCI0
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#else
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reti ; PCI0
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#endif
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reti ; PCI1
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reti ; WATCHDOG
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reti ; ICP1
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reti ; OC1A
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reti ; OC1B
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reti ; OVF1
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rjmp baseTimerIrqOC0A ; OC0A
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reti ; OC0B
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reti ; OVF0
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reti ; ACI
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reti ; ADCC
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reti ; ERDY
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reti ; USI_STR
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reti ; USI_OVF
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devInfoBlock: ; 12 bytes
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devInfoManufacturer: .db 'A', 'Q', 'U', 'A'
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devInfoId: .db DEVICEINFO_ID, 0
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devInfoVersion: .db DEVICEINFO_VERSION, DEVICEINFO_REVISION ; version, revision
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firmwareVersion: .db FIRMWARE_VARIANT_DEFAULT, FIRMWARE_VERSION_MAJOR
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.db FIRMWARE_VERSION_MINOR, FIRMWARE_VERSION_PATCHLEVEL
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; ---------------------------------------------------------------------------
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; @routine firmwareStart @global
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firmwareStart:
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rjmp main
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; @end
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; ---------------------------------------------------------------------------
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; @routine onSystemStart
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onSystemStart:
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ret
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; @end
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; ---------------------------------------------------------------------------
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; @routine onMessageReceived
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;
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; Called on every message received
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onMessageReceived:
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clc
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ret
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; @end
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; ---------------------------------------------------------------------------
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; @routine onEvery100ms
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;
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; Called every 100ms. Add your routine calls here. No arguments, no results.
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onEvery100ms:
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onEverySecond:
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onEveryMinute:
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onEveryHour:
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onEveryDay:
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ret
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; @end
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; ---------------------------------------------------------------------------
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; @routine onEveryLoop
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;
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; Called on every loop (i.e. after awakening from sleep).
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;
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onEveryLoop:
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ret
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; @end
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; ***************************************************************************
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; includes
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.include "devices/all/hw_tn84.asm"
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.include "devices/all/includes.asm"
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; ---------------------------------------------------------------------------
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; defines for network interface
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#ifdef MODULES_COM2W
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.equ netInterfaceData = com2w_iface
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#endif
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deviceCodeEnd:
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.if deviceCodeEnd >= BOOTLOADER_ADDR
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.warning "Code reaches into boot loader!"
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.endif
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