152 lines
3.4 KiB
NASM
152 lines
3.4 KiB
NASM
; ***************************************************************************
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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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;
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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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; KEY1 PB2 5 10 PA3 LED
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; COM_ATTN PA7 6 9 PA4
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; PA6 7 8 PA5
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; --------
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;
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; ***************************************************************************
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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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; ***************************************************************************
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; defines
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; ---------------------------------------------------------------------------
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; generic
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.equ clock=1000000 ; Define the clock frequency
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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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#define FW_TYPE AQHOME_FW_TYPE_ATT84_BASE
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#define FW_VERSION 0x0001
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#define BASE_SYSTEM
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#define WITH_FLASH
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; ---------------------------------------------------------------------------
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; COM module
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.equ COM_BIT_LENGTH = 52000 ; 104000=9600, 52000=19200, 26000=38400
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.equ COM_DDR_DATA = DDRA
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.equ COM_PORT_DATA = PORTA
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.equ COM_PIN_DATA = PINA
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.equ COM_PINNUM_DATA = PORTA1
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.equ COM_DDR_ATTN = DDRA
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.equ COM_PORT_ATTN = PORTA
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.equ COM_PIN_ATTN = PINA
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.equ COM_PINNUM_ATTN = PORTA7
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.equ COM_IRQ_ADDR_ATTN = PCMSK0
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.equ COM_IRQ_BIT_ATTN = 7 ; bit 7 in PCMSK0
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.equ COM_IRQ_GIFR_ATTN = PCIF0
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.equ COM_IRQ_GIMSK_ATTN = PCIE0
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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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firmwareType: .dw FW_TYPE
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firmwareVersion: .dw FW_VERSION
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firmwareModules: .dw 0
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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 AQHOME_BOOTLOADER_ADDR
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main:
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rjmp bootLoader ; this routine is in modules/flash/proto.asm
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; ***************************************************************************
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; includes
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.include "modules/com2/lowlevel.asm"
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.include "modules/com2/crc.asm"
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.include "modules/com2/packets.asm"
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.include "common/crc8.asm"
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.include "modules/flash/bootloader.asm"
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.include "modules/flash/flash.asm"
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.include "modules/flash/recv.asm"
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.include "modules/flash/send.asm"
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.include "modules/flash/wait.asm"
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.include "modules/flash/hdl_flash_start.asm"
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.include "modules/flash/hdl_flash_data.asm"
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.include "modules/flash/hdl_flash_end.asm"
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.include "modules/flash/flash_rsp.asm"
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.include "modules/flash/flash_ready.asm"
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