diff --git a/avr/devices/0BUILD b/avr/devices/0BUILD
index b0006d8..f35b7bd 100644
--- a/avr/devices/0BUILD
+++ b/avr/devices/0BUILD
@@ -16,6 +16,7 @@
n21
n22
r02
+ t03
x03
diff --git a/avr/devices/t03/.gitignore b/avr/devices/t03/.gitignore
new file mode 100644
index 0000000..8e0618c
--- /dev/null
+++ b/avr/devices/t03/.gitignore
@@ -0,0 +1,2 @@
+*.eep.hex
+*.obj
diff --git a/avr/devices/t03/0BUILD b/avr/devices/t03/0BUILD
new file mode 100644
index 0000000..4dc1f0b
--- /dev/null
+++ b/avr/devices/t03/0BUILD
@@ -0,0 +1,52 @@
+
+
+
+
+
+
+
+ -I $(builddir)
+ -I $(srcdir)
+ -I $(topsrcdir)/avr
+ -I $(topbuilddir)/avr
+
+
+
+
+ main.asm
+
+
+
+
+
+
+
+
+
+
+ -I $(builddir)
+ -I $(srcdir)
+ -I $(topsrcdir)/avr
+ -I $(topbuilddir)/avr
+
+
+
+
+ boot.asm
+
+
+
+
+
+
+
+
+
+
+ defs.asm
+
+
+
+
+
+
diff --git a/avr/devices/t03/boot.asm b/avr/devices/t03/boot.asm
new file mode 100644
index 0000000..a733c66
--- /dev/null
+++ b/avr/devices/t03/boot.asm
@@ -0,0 +1,178 @@
+; ***************************************************************************
+; 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/tn841def.inc" ; Define device ATtiny841
+.list
+
+.include "./defs.asm"
+.include "defs_all.asm"
+
+
+
+; ***************************************************************************
+; defines
+
+; ---------------------------------------------------------------------------
+; generic
+
+.include "common/utils_wait.asm"
+.include "modules/com2/defs.asm"
+.include "modules/comproto/defs.asm"
+
+
+
+; ---------------------------------------------------------------------------
+; firmware settings
+
+.equ FIRMWARE_VERSION_MAJOR = 0
+.equ FIRMWARE_VERSION_MINOR = 0
+.equ FIRMWARE_VERSION_PATCHLEVEL = 1
+
+
+
+; ---------------------------------------------------------------------------
+; LED
+
+.equ LED_DDR = DDRB
+.equ LED_PORT = PORTB
+.equ LED_PIN = PINB
+.equ LED_PINNUM = PORTB2
+
+
+; ***************************************************************************
+; code segment
+
+.cseg
+.org 0x0000
+
+
+
+; ---------------------------------------------------------------------------
+; Reset and interrupt vectors
+
+ rjmp main ; 1: RESET Reset vector use this for flashed system
+ reti ; 2: INT0 External Interrupt Request 0
+ reti ; 3: PCINT0 Pin Change Interrupt 0
+ reti ; 4: PCINT1 Pin Change Interrupt 1
+ reti ; 5: WDT Watchdog Time-out
+ reti ; 6: TIM1_CAPT Timer/Counter1 Capture Event
+ reti ; 7: TIM1_COMPA (OC1A) Timer/Counter1 Compare Match A
+ reti ; 8: TIM1_COMPB (OC1B) Timer/Counter1 Compare Match B
+ reti ; 9: TIM1_OVF (OVF1) Timer/Counter1 Overflow
+ reti ; 10: TIM0_COMPA (OC0A) Timer/Counter0 Compare Match A
+ reti ; 11: TIM0_COMPB (OC0B) Timer/Counter0 Compare Match B
+ reti ; 12: TIM0_OVF (OVF0) Timer/Counter0 Overflow
+ reti ; 13: ANA_COMP0 Analog Comparator 0
+ reti ; 14: ADC_READY ADC Conversion Complete
+ reti ; 15: EE_RDY (ERDY) EEPROM Ready
+ reti ; 16: ANA_COMP1 Analog Comparator 1
+ reti ; 17: TIM2_CAPT Timer/Counter2 Capture Event
+ reti ; 18: TIM2_COMPA (OC2A) Timer/Counter2 Compare Match A
+ reti ; 19: TIM2_COMPB (OC2B) Timer/Counter2 Compare Match B
+ reti ; 20: TIM2_OVF (OVF2) Timer/Counter2 Overflow
+ reti ; 21: SPI SPI Serial Transfer Complete
+ reti ; 22: USART0_RXS USART0 Rx Start
+ reti ; 23: USART0_RXC USART0 Rx Complete
+ reti ; 24: USART0_DRE USART0 Data Register Empty
+ reti ; 25: USART0_TXC USART0 Tx Complete
+ reti ; 26: USART1_RXS USART1 Rx Start
+ reti ; 27: USART1_RXC USART1 Rx Complete
+ reti ; 28: USART1_DRE USART1 Data Register Empty
+ reti ; 29: USART1_TXC USART1 Tx Complete
+ reti ; 30: TWI Two-Wire-Interface
+ reti ; 31: RESERVED reserved
+
+
+
+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 debugStop
+ rjmp bootLoader ; this routine is in modules/flash/proto.asm
+
+
+
+
+; ***************************************************************************
+; includes
+
+.include "modules/uart_bitbang/bytelevel.asm"
+.include "modules/uart_bitbang/packetlevel.asm"
+.include "modules/com2/crc.asm"
+.include "common/crc8.asm"
+.include "common/utils_wait_fixed.asm"
+.include "common/utils_copy_from_flash.asm"
+.include "common/utils_copy_sdram.asm"
+.include "modules/flash/bootloader.asm"
+.include "modules/flash/flash.asm"
+.include "modules/flash/recv.asm"
+.include "modules/flash/send.asm"
+.include "modules/flash/wait.asm"
+.include "modules/flash/hdl_flash_start.asm"
+.include "modules/flash/hdl_flash_data.asm"
+.include "modules/flash/hdl_flash_end.asm"
+.include "modules/flash/flash_rsp.asm"
+.include "modules/flash/flash_ready.asm"
+
+
+#if 1
+debugStop:
+ cli
+ sbi LED_SIMPLE_DDR, LED_SIMPLE_PINNUM ; out
+ cbi LED_SIMPLE_PORT, LED_SIMPLE_PINNUM ; on
+
+ cbi COM_ATTN_DDR, COM_ATTN_PIN ; set ATTN port as input
+ cbi COM_ATTN_OUTPUT, COM_ATTN_PIN ; disable internal pullup for ATTN
+
+ ldi r18, 0
+test_loop1:
+ ldi r16, 100
+test_loop2:
+ ldi r17, 100
+test_loop3:
+ Utils_WaitNanoSecs 10000, 0, r22
+ dec r17
+ brne test_loop3
+ dec r16
+ brne test_loop2
+ sbi LED_SIMPLE_PORTIN, LED_SIMPLE_PINNUM ; toggle
+ inc r18
+ mov r19, r18
+ andi r19, 1
+ brne test1
+ sbi COM_ATTN_DDR, COM_ATTN_PIN
+ cbi COM_ATTN_OUTPUT, COM_ATTN_PIN
+ rjmp test_loop1
+test1:
+ cbi COM_ATTN_DDR, COM_ATTN_PIN
+ cbi COM_ATTN_OUTPUT, COM_ATTN_PIN
+
+ rjmp test_loop1
+#endif
+
+
+
diff --git a/avr/devices/t03/defs.asm b/avr/devices/t03/defs.asm
new file mode 100644
index 0000000..a880829
--- /dev/null
+++ b/avr/devices/t03/defs.asm
@@ -0,0 +1,91 @@
+; ***************************************************************************
+; copyright : (C) 2024 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
+; PB0 2 13 PA0 ATTN0
+; PB1 3 12 PA1 TXD0 (UART0)
+; /RESET PB3 4 11 PA2 RXD0 (UART0)
+; LED PB2 5 10 PA3 ATTN1
+; 1-wire PA7 6 9 PA4 RXD1 (UART1) [SCK, PRG]
+; [MOSI,PRG] SDA (I2C) PA6 7 8 PA5 TXD1 (UART1) [MISO, PRG]
+; -------
+;
+; ***************************************************************************
+
+
+
+.equ BOOTLOADER_ADDR = 0xd00
+
+.equ FIRMWARE_VARIANT_BOOT = 0
+.equ FIRMWARE_VARIANT_TEMP_WINDOW = 1
+
+.equ DEVICEINFO_ID = 'T'
+.equ DEVICEINFO_VERSION = 3
+.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
+
+
+
+; ---------------------------------------------------------------------------
+; COM module
+
+.equ COM_BIT_LENGTH = 52000 ; 104000ns=9600, 52000ns=19200, 26000ns=38400
+.equ COM_HALFBIT_LENGTH = 26000 ; see https://de.wikipedia.org/wiki/Universal_Asynchronous_Receiver_Transmitter
+
+.equ COM_DATA_DDR = DDRA
+.equ COM_DATA_INPUT = PINA
+.equ COM_DATA_OUTPUT = PORTA
+.equ COM_DATA_PIN = PORTA2
+
+.equ COM_ATTN_DDR = DDRA
+.equ COM_ATTN_INPUT = PINA
+.equ COM_ATTN_OUTPUT = PORTA
+.equ COM_ATTN_PIN = PORTA0
+
+.equ COM_IRQ_ADDR_ATTN = PCMSK0
+.equ COM_IRQ_BIT_ATTN = PCINT0 ; bit 7 in PCMSK0
+.equ COM_IRQ_GIFR_ATTN = PCIF0
+.equ COM_IRQ_GIMSK_ATTN = PCIE0
+
+
+
+; ---------------------------------------------------------------------------
+; LCD module
+
+.equ LCD_TWI_ADDRESS = 0x3c
+
+
+
+; ---------------------------------------------------------------------------
+; 1-Wire Master
+;
+
+.equ OWI_DDR = DDRA
+.equ OWI_PORTOUT = PORTA
+.equ OWI_PORTIN = PINA
+.equ OWI_PINNUM = PORTA7
+
+
+
diff --git a/avr/devices/t03/main.asm b/avr/devices/t03/main.asm
new file mode 100644
index 0000000..c67652c
--- /dev/null
+++ b/avr/devices/t03/main.asm
@@ -0,0 +1,461 @@
+; ***************************************************************************
+; copyright : (C) 2024 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 temperature sensor node on AtTiny 84
+;
+; This is for the full system (i.e. not the boot loader).
+;
+; All definitions and changes should go into this file.
+;
+;
+; ***************************************************************************
+
+
+.equ clock=1000000 ; Define the clock frequency
+;.equ clock=8000000 ; Define the clock frequency
+
+
+
+.nolist
+.include "include/tn841def.inc" ; Define device ATtiny841
+.list
+
+.include "./defs.asm"
+.include "defs_all.asm"
+
+
+
+; ***************************************************************************
+; defines
+
+; ---------------------------------------------------------------------------
+; generic
+
+
+.include "common/utils_wait.asm"
+
+
+; ---------------------------------------------------------------------------
+; firmware settings including list of modules used
+
+.equ FIRMWARE_VERSION_MAJOR = 0
+.equ FIRMWARE_VERSION_MINOR = 0
+.equ FIRMWARE_VERSION_PATCHLEVEL = 1
+
+
+#define MODULES_TIMER
+#define MODULES_COM
+#define MODULES_COM_WITH_ADDR_PROTO
+;#define MODULES_LED
+#define MODULES_LED_SIMPLE
+;#define MODULES_TWI_MASTER
+;#define MODULES_LCD
+#define LCD_MINIMAL_FONT
+;#define MODULES_SI7021
+#define MODULES_STATS
+;#define MODULES_CNY70
+;#define MODULES_REED
+#define MODULES_OWI_MASTER
+;#define MODULES_DS18B20
+;#define MODULES_MOTION
+
+
+
+; ***************************************************************************
+; code segment
+
+.cseg
+.org 000000
+
+
+
+; ---------------------------------------------------------------------------
+; Reset and interrupt vectors (will be removed as soon as we can flash data over COM)
+
+ rjmp BOOTLOADER_ADDR ; 1: RESET Reset vector use this for flashed system
+ reti ; 2: INT0 External Interrupt Request 0
+ rjmp uartBitbangIsrPcint0 ; 3: PCINT0 Pin Change Interrupt 0
+ reti ; 4: PCINT1 Pin Change Interrupt 1
+ reti ; 5: WDT Watchdog Time-out
+ reti ; 6: TIM1_CAPT Timer/Counter1 Capture Event
+ reti ; 7: TIM1_COMPA (OC1A) Timer/Counter1 Compare Match A
+ reti ; 8: TIM1_COMPB (OC1B) Timer/Counter1 Compare Match B
+ reti ; 9: TIM1_OVF (OVF1) Timer/Counter1 Overflow
+ rjmp baseTimerIrqOC0A ; 10: TIM0_COMPA (OC0A) Timer/Counter0 Compare Match A
+ reti ; 11: TIM0_COMPB (OC0B) Timer/Counter0 Compare Match B
+ reti ; 12: TIM0_OVF (OVF0) Timer/Counter0 Overflow
+ reti ; 13: ANA_COMP0 Analog Comparator 0
+ reti ; 14: ADC_READY ADC Conversion Complete
+ reti ; 15: EE_RDY (ERDY) EEPROM Ready
+ reti ; 16: ANA_COMP1 Analog Comparator 1
+ reti ; 17: TIM2_CAPT Timer/Counter2 Capture Event
+ reti ; 18: TIM2_COMPA (OC2A) Timer/Counter2 Compare Match A
+ reti ; 19: TIM2_COMPB (OC2B) Timer/Counter2 Compare Match B
+ reti ; 20: TIM2_OVF (OVF2) Timer/Counter2 Overflow
+ reti ; 21: SPI SPI Serial Transfer Complete
+ reti ; 22: USART0_RXS USART0 Rx Start
+ reti ; 23: USART0_RXC USART0 Rx Complete
+ reti ; 24: USART0_DRE USART0 Data Register Empty
+ reti ; 25: USART0_TXC USART0 Tx Complete
+ reti ; 26: USART1_RXS USART1 Rx Start
+ reti ; 27: USART1_RXC USART1 Rx Complete
+ reti ; 28: USART1_DRE USART1 Data Register Empty
+ reti ; 29: USART1_TXC USART1 Tx Complete
+ reti ; 30: TWI Two-Wire-Interface
+ reti ; 31: RESERVED reserved
+
+
+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_TEMP_WINDOW, FIRMWARE_VERSION_MAJOR
+ .db FIRMWARE_VERSION_MINOR, FIRMWARE_VERSION_PATCHLEVEL
+
+firmwareStart: rjmp main
+
+
+; ***************************************************************************
+; includes
+
+.include "common/utils.asm"
+.include "common/utils_wait_fixed.asm"
+.include "common/utils_copy_from_flash.asm"
+.include "common/utils_copy_sdram.asm"
+.include "common/crc8.asm"
+
+.include "modules/basetimer/main.asm"
+
+#ifdef MODULES_TIMER
+ .include "modules/timer/main.asm"
+#endif
+#ifdef MODULES_LED
+.include "modules/led/main.asm"
+#endif
+#ifdef MODULES_LED_SIMPLE
+.include "modules/led_simple/main.asm"
+#endif
+#ifdef MODULES_COM
+ .include "modules/com2/defs.asm"
+ .include "modules/com2/main.asm"
+ .include "modules/com2/buffer.asm"
+ .include "modules/uart_bitbang/defs.asm"
+ .include "modules/uart_bitbang/main.asm"
+ .include "modules/uart_bitbang/bytelevel.asm"
+ .include "modules/uart_bitbang/packetlevel.asm"
+ #ifdef MODULES_COM_WITH_ADDR_PROTO
+ .include "modules/comproto/defs.asm"
+ .include "modules/comproto/main.asm"
+ .include "modules/comproto/addr.asm"
+ .include "modules/comproto/msg_recvstats.asm"
+ .include "modules/comproto/msg_sendstats.asm"
+ .include "modules/comproto/msg_sysstats.asm"
+ .include "modules/comproto/msg_memstats.asm"
+ .include "modules/comproto/msg_pong.asm"
+ .include "modules/comproto/msg_value.asm"
+ .include "modules/comproto/msg_device.asm"
+ .include "modules/comproto/msg_reboot.asm"
+ #endif
+ #ifdef MODULES_LCD
+ .include "modules/com2/screen.asm"
+ .include "modules/comproto/screen.asm"
+ #endif
+#endif
+#ifdef MODULES_TWI_MASTER
+ .include "modules/twimaster/main.asm"
+#endif
+#ifdef MODULES_OWI_MASTER
+ .include "modules/owimaster/main.asm"
+#endif
+#ifdef MODULES_LCD
+ .include "modules/lcd/main.asm"
+#endif
+#ifdef MODULES_SI7021
+ .include "modules/si7021/main.asm"
+#endif
+#ifdef MODULES_DS18B20
+ .include "modules/ds18b20/main.asm"
+#endif
+#ifdef MODULES_STATS
+ .include "modules/stats/main.asm"
+#endif
+#ifdef MODULES_CNY70
+ .include "modules/cny70/main.asm"
+#endif
+#ifdef MODULES_REED
+ .include "modules/reed/main.asm"
+#endif
+
+#ifdef MODULES_MOTION
+ .include "modules/motion/main.asm"
+#endif
+
+; test
+;#include "modules/uart_irq/defs.asm"
+;#include "modules/uart_irq/iface.asm"
+;#include "modules/uart_irq/iface1.asm"
+
+
+; ***************************************************************************
+; data in SRAM
+
+.dseg
+
+programRamBegin:
+#ifdef MODULES_LCD
+ screenCounter: .byte 1
+#endif
+
+programRamEnd:
+
+
+
+#ifdef MODULES_LCD
+ sramTimerWriteStats: .byte 2
+ sramTimerScreen: .byte 2
+#endif
+#ifdef MODULES_SI7021
+ sramTimerSI7021Measure: .byte 2
+ sramTimerSI7021SendTemp: .byte 2
+ sramTimerSI7021SendHumidity: .byte 2
+#endif
+#ifdef MODULES_CNY70
+ sramTimerCny70SendAdc: .byte 2
+#endif
+#ifdef MODULES_LCD
+ sramPeriodicalLcdMark: .byte 2
+#endif
+#ifdef MODULES_DS18B20
+ sramDs18b20Timer: .byte 2
+ sramSendDs18b20TempTimer: .byte 2
+#endif
+
+
+; ***************************************************************************
+; data in FLASH
+
+.cseg
+
+
+
+; ---------------------------------------------------------------------------
+; timer list
+
+
+timerList:
+; SRAM variable/counter routine flags secs (0=don't start or restart)
+#ifdef MODULES_COM_WITH_ADDR_PROTO
+ .dw cproAddresModeTimer, CPRO_Address_OnTimer, 0, 0 ; (no restart)
+#endif
+#ifdef MODULES_STATS
+ .dw statsSendTimer, Stats_Timer, TIMER_FLAGS_IF_ADDR, 9000 ; every 15m
+#endif
+#ifdef MODULES_LCD
+; .dw sramPeriodicalLcdMark, periodicalLcdMark, 0, 20 ; every 2s
+; .dw sramTimerWriteStats, writeStats, 0, 100
+ .dw sramTimerScreen, printScreen, TIMER_FLAGS_IF_ADDR, 50 ; every 5s
+#endif
+#ifdef MODULES_SI7021
+ .dw sramTimerSI7021Measure, SI7021_OnTimer, 0, 300 ; every 30s
+ .dw sramTimerSI7021SendTemp, sendSI7021Temp, TIMER_FLAGS_IF_ADDR, 600 ; every 60s
+ .dw sramTimerSI7021SendHumidity, sendSI7021Humidity, TIMER_FLAGS_IF_ADDR, 600 ; every 60s
+#endif
+#ifdef MODULES_CNY70
+ .dw sramTimerCny70SendAdc, CNY70_OnTimer, TIMER_FLAGS_IF_ADDR, 50 ; every 5s
+#endif
+#ifdef MODULES_DS18B20
+ .dw sramDs18b20Timer, Ds18b20_OnTimer, 0, 300 ; every 30s
+ .dw sramSendDs18b20TempTimer, sendDs18b20Temp, TIMER_FLAGS_IF_ADDR, 600 ; every 60s
+#endif
+ .dw 0 ; end of list
+
+
+
+
+
+.include "main_all.asm"
+
+
+
+systemSetSpeed:
+.if clock == 8000000
+ ldi r16, (1<