277 lines
7.8 KiB
NASM
277 lines
7.8 KiB
NASM
; ***************************************************************************
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; copyright : (C) 2024 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/tn841def.inc" ; Define device ATtiny841
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.list
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.include "./defs.asm"
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.include "defs_all.asm"
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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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; ---------------------------------------------------------------------------
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; firmware settings including list of modules used
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.equ FIRMWARE_VERSION_MAJOR = 0
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.equ FIRMWARE_VERSION_MINOR = 0
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.equ FIRMWARE_VERSION_PATCHLEVEL = 1
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;#define MODULES_TIMER
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;#define MODULES_COM
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;#define MODULES_COM_WITH_ADDR_PROTO
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;#define MODULES_LED
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#define MODULES_LED_SIMPLE
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;#define MODULES_TWI_MASTER
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;#define MODULES_LCD
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;#define LCD_MINIMAL_FONT
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;#define MODULES_SI7021
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;#define MODULES_STATS
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;#define MODULES_CNY70
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;#define MODULES_REED
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;#define MODULES_OWI_MASTER
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;#define MODULES_DS18B20
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;#define MODULES_MOTION
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.equ UART_HW_FIXEDBUFFERS_NUM = 32
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.equ UART_HW_FIXEDBUFFERS_SIZE = 6
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.equ UART_HW_MSGNUMINBUF_SIZE = 6
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.equ UART_HW_MSGNUMOUTBUF_SIZE = 6
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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 (will be removed as soon as we can flash data over COM)
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rjmp BOOTLOADER_ADDR ; 1: RESET Reset vector use this for flashed system
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reti ; 2: INT0 External Interrupt Request 0
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reti ; 3: PCINT0 Pin Change Interrupt 0
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reti ; 4: PCINT1 Pin Change Interrupt 1
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reti ; 5: WDT Watchdog Time-out
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reti ; 6: TIM1_CAPT Timer/Counter1 Capture Event
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reti ; 7: TIM1_COMPA (OC1A) Timer/Counter1 Compare Match A
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reti ; 8: TIM1_COMPB (OC1B) Timer/Counter1 Compare Match B
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reti ; 9: TIM1_OVF (OVF1) Timer/Counter1 Overflow
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rjmp baseTimerIrqOC0A ; 10: TIM0_COMPA (OC0A) Timer/Counter0 Compare Match A
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reti ; 11: TIM0_COMPB (OC0B) Timer/Counter0 Compare Match B
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reti ; 12: TIM0_OVF (OVF0) Timer/Counter0 Overflow
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reti ; 13: ANA_COMP0 Analog Comparator 0
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reti ; 14: ADC_READY ADC Conversion Complete
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reti ; 15: EE_RDY (ERDY) EEPROM Ready
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reti ; 16: ANA_COMP1 Analog Comparator 1
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reti ; 17: TIM2_CAPT Timer/Counter2 Capture Event
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reti ; 18: TIM2_COMPA (OC2A) Timer/Counter2 Compare Match A
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reti ; 19: TIM2_COMPB (OC2B) Timer/Counter2 Compare Match B
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reti ; 20: TIM2_OVF (OVF2) Timer/Counter2 Overflow
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reti ; 21: SPI SPI Serial Transfer Complete
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reti ; 22: USART0_RXS USART0 Rx Start
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reti ; 23: USART0_RXC USART0 Rx Complete
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reti ; 24: USART0_DRE USART0 Data Register Empty
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reti ; 25: USART0_TXC USART0 Tx Complete
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reti ; 26: USART1_RXS USART1 Rx Start
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reti ; 27: USART1_RXC USART1 Rx Complete
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reti ; 28: USART1_DRE USART1 Data Register Empty
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reti ; 29: USART1_TXC USART1 Tx Complete
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reti ; 30: TWI Two-Wire-Interface
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reti ; 31: RESERVED reserved
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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_TEMP_WINDOW, FIRMWARE_VERSION_MAJOR
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.db FIRMWARE_VERSION_MINOR, FIRMWARE_VERSION_PATCHLEVEL
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;firmwareStart: rjmp main
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firmwareStart:
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cli
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; setup stack
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.ifdef SPH ; if SPH is defined
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ldi r16, High(RAMEND)
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out SPH, r16 ; init MSB stack pointer
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.endif
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ldi r16, Low(RAMEND)
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out SPL, r16 ; init LSB stack pointer
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rcall systemSetSpeed
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rcall initHardware
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; rcall watchdogOff ; turn off watchdog timer (sometimes it stays on after reboot)
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rcall initModules
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rcall Utils_SetupUid
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sbi LED_SIMPLE_DDR, LED_SIMPLE_PINNUM ; out
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sbi LED_SIMPLE_PORT, LED_SIMPLE_PINNUM ; off
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sei
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main_loop:
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; only modify SE, SM1 and SM0
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cli
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in r16, MCUCR
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ldi r17, (1<<SE) | (1<<SM1) | (1<<SM0)
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neg r17
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and r16, r17
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ori r16, (1<<SE) ; sleep mode "idle", enable
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out MCUCR, r16
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sei ; make sure interrupts really are enabled
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sleep ; sleep, wait for interrupt
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rcall BaseTimer_Run
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rjmp main_loop
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systemSetSpeed:
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.if clock == 1000000
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ldi r17, 0xd8
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ldi r16, (1<<CLKPS1) | (1<<CLKPS0) ; SUT=0, CLKPS=0011b
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sts CCP, r17
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sts CLKPR, r16
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.endif
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.if clock == 8000000
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ldi r17, 0xd8
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clr r16 ; SUT=0, CLKPS=0
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sts CCP, r17
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sts CLKPR, r16
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.endif
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ret
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; ---------------------------------------------------------------------------
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; Called every 100ms. Add your routine calls here. No arguments, no results.
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onSystemTimerTick:
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#ifdef MODULES_LED_SIMPLE
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rcall LedSimple_Every100ms
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#endif
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ret
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initHardware:
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; set all ports as inputs and enable internal pull-up resistors
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ldi r16, 0xff
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clr r17
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.ifdef PORTA
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out DDRA, r17 ; all input
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sts PUEA, r16 ; enable pull-up on all
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.endif
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.ifdef PORTB
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out DDRB, r17 ; all input
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sts PUEB, r16 ; enable pull-up on all
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.endif
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.ifdef PORTC
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out DDRC, r17 ; all input
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sts PUEC, r16 ; enable pull-up on all
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.endif
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ret
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; @end
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initModules:
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rcall Utils_Init
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rcall BaseTimer_Init
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rcall LedSimple_Init
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rcall UART_HW_Init
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ret
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; @end
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; ***************************************************************************
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; includes
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.include "common/utils.asm"
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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 "common/m_ringbuffer_y.asm"
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.include "common/ringbuffer_y.asm"
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.include "common/m_fixedbuffers.asm"
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.include "common/crc8.asm"
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.include "modules/flash/wait.asm"
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.include "modules/basetimer/main.asm"
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.include "modules/led_simple/main.asm"
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.include "modules/uart_hw/defs.asm"
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.include "modules/uart_hw/buffers.asm"
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.include "modules/uart_hw/lowlevel.asm"
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.include "modules/uart_hw/lowlevel_uart1.asm"
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.include "modules/uart_hw/msglevel_recv.asm"
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.include "modules/uart_hw/msglevel_send.asm"
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; ***************************************************************************
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; data in SRAM
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.dseg
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programRamBegin:
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; nothing for now
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flashUid: .byte 4
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programRamEnd:
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