0ac20ba82c
e02 now expects this message. If for at least 10mins no such msg is received the USB interface is reset.
309 lines
8.3 KiB
NASM
309 lines
8.3 KiB
NASM
; ***************************************************************************
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; copyright : (C) 2025 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 "version.asm"
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;.include "defs_all.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_wait.asm"
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.include "common/utils_io.asm"
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; ***************************************************************************
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; defines
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; ---------------------------------------------------------------------------
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; generic
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.equ COMONUART0_IFACENUM = 1
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.equ TTYONUART0_IFACENUM = 2
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; debug
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;.equ T03_FLAGS_ALLOC = 0x01
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;.equ T03_FLAGS_I1_SKIPPING = 0x02
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;.equ T03_FLAGS_I1_RESTARTED = 0x04
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;.equ T03_FLAGS_ADDIN = 0x08
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;.equ T03_FLAGS_I1_ADDOUT = 0x10
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;.equ T03_FLAGS_I2_ADDOUT = 0x20
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; ---------------------------------------------------------------------------
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; firmware settings including list of modules used
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#define MAIN_WITHOUT_MSG_HANDLING ; we do message handling ourselfes
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#define COM_ACCEPT_ALL_DEST ; accept all messages!
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#define APP_STATS_NETDEV2
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#define APP_ROUTER_NO_ADDR_MGR
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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 MODULES_UARTFD0
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#define APPS_STATS
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#define APPS_FORWARDER
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.equ NET_BUFFERS_NUM = 10
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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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.equ HEARTBEAT_MAXTIME_IN_MINS = 10 ; 10 minutes
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.equ LEDMCPRESET_ONTIME = 2
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.equ LEDMCPRESET_OFFTIME = 2
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.equ LEDMCPRESET_REPEATS = 50 ; 50*0.4=20s
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; ---------------------------------------------------------------------------
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; defines for values
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; none
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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 ; 1: RESET Reset vector use this for flashed system
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reti ; 2: INT0 External Interrupt Request 0
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rjmp com2wPcintIsr ; 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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rjmp UARTFD0_RxCharIsr ; 23: USART0_RXC USART0 Rx Complete
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rjmp UARTFD0_TxUdreIsr ; 24: USART0_DRE USART0 Data Register Empty
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rjmp UARTFD0_TxCharIsr ; 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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; ---------------------------------------------------------------------------
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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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ldi r16, 0xf0
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sts netInterfaceData+NET_IFACE_OFFS_ADDRESS, r16
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sts netInterfaceData2+NET_IFACE_OFFS_ADDRESS, r16
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ldi r16, HEARTBEAT_MAXTIME_IN_MINS
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sts heartbeatTimer, r16
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rcall resetMcp2221
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ret
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; @end
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onEveryMinute:
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lds r16, heartbeatTimer
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tst r16
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breq onEverySecond_ret
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dec r16
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sts heartbeatTimer, r16
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brne onEverySecond_ret
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rcall resetMcp2221
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ldi r16, HEARTBEAT_MAXTIME_IN_MINS
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sts heartbeatTimer, r16
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onEverySecond_ret:
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ret
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; @end
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onEvery100ms:
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onEverySecond:
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onEveryHour:
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onEveryDay:
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ret
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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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onEveryLoop:
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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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adiw xh:xl, NETMSG_OFFS_CMD
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ld r16, X
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sbiw xh:xl, NETMSG_OFFS_CMD
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cpi r16, NETMSG_CMD_HEARTBEAT
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brne onMessageReceived_ret
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ldi r16, HEARTBEAT_MAXTIME_IN_MINS
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sts heartbeatTimer, r16
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onMessageReceived_ret:
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clc
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ret
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; @end
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; ---------------------------------------------------------------------------
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; @routine resetMcp2221
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;
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; Reset MCP2221 by pulling /RST low for 10us.
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resetMcp2221:
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push r15
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inr r15, SREG
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cli
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sbi MCP2221_RESET_DDR, MCP2221_RESET_PINNUM ; out
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cbi MCP2221_RESET_PORT, MCP2221_RESET_PINNUM ; set RST low
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Utils_WaitNanoSecs 10000, 0, r22 ; minimum is 2us, use 10us to be safe
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sbi MCP2221_RESET_PORT, MCP2221_RESET_PINNUM ; set RST high
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outr SREG, r15
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pop r15
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#ifdef MODULES_LED_SIMPLE
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ldi r18, LEDMCPRESET_ONTIME
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ldi r19, LEDMCPRESET_OFFTIME
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ldi r20, LEDMCPRESET_REPEATS
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bigcall LedSimple_SetTiming
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#endif
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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_tn841.asm"
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.include "devices/all/includes.asm"
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.include "common/debug.asm"
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; ---------------------------------------------------------------------------
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; defines for network interface
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.equ netInterfaceData = uartFd0_iface
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.equ netInterfaceData2 = com2w_iface
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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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; ***************************************************************************
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; data segment
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.dseg
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heartbeatTimer: .byte 1
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