160 lines
5.1 KiB
NASM
160 lines
5.1 KiB
NASM
; ***************************************************************************
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; Source file for base system node on AtMega 644P
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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=20000000 ; Define the clock frequency
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.nolist
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.include "include/m644Pdef.inc" ; Define device ATmega644P
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.list
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.include "../defs.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 NET_BUFFERS_NUM = 6
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.equ NET_BUFFERS_SIZE = 32
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; ---------------------------------------------------------------------------
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; firmware settings
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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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; ---------------------------------------------------------------------------
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; LED
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.equ LED_DDR = DDRB
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.equ LED_PORT = PORTB
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.equ LED_PIN = PINB
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.equ LED_PINNUM = PORTB0
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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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jmp main ; 1: Reset vector RESET
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jmp irqNotSet ; 2: INT0 External Interrupt Request 0
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jmp irqNotSet ; 3: INT1 External Interrupt Request 1
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jmp irqNotSet ; 4: INT2 External Interrupt Request 2
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jmp irqNotSet ; 5: PCINT0 Pin Change Interrupt Request 0
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jmp irqNotSet ; 6: PCINT1 Pin Change Interrupt Request 1
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jmp irqNotSet ; 7: PCINT2 Pin Change Interrupt Request 2
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jmp irqNotSet ; 8: PCINT3 Pin Change Interrupt Request 3
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jmp irqNotSet ; 9: WDT Watchdog Time-out Interrupt
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jmp irqNotSet ; 10: TIMER2_COMPA Timer/Counter2 Compare Match A
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jmp irqNotSet ; 11: TIMER2_COMPB Timer/Counter2 Compare Match B
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jmp irqNotSet ; 12: TIMER2_OVF Timer/Counter2 Overflow
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jmp irqNotSet ; 13: TIMER1_CAPT Timer/Counter1 Capture Event
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jmp irqNotSet ; 14: TIMER1_COMPA Timer/Counter1 Compare Match A
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jmp irqNotSet ; 15: TIMER1_COMPB Timer/Counter1 Compare Match B
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jmp irqNotSet ; 16: TIMER1_OVF Timer/Counter1 Overflow
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jmp irqNotSet ; 17: TIMER0_COMPA Timer/Counter0 Compare Match A
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jmp irqNotSet ; 18: TIMER0_COMPB Timer/Counter0 Compare Match B
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jmp irqNotSet ; 19: TIMER0_OVF Timer/Counter0 Overflow
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jmp irqNotSet ; 20: SPI_STC Serial Transfer Complete
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jmp irqNotSet ; 21: USART0_RXC USART0 Rx Complete
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jmp irqNotSet ; 22: USART0_UDRE USART0 Data Register Empty
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jmp irqNotSet ; 23: USART0_TXC USART0 Tx Complete
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jmp irqNotSet ; 24: ANA_COMP Analog Comparator
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jmp irqNotSet ; 25: ADC ADC Conversion Complete
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jmp irqNotSet ; 26: EE_RDY EEPROM Ready
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jmp irqNotSet ; 27: TWI 2-Wire Interface
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jmp irqNotSet ; 28: SPM_RDY Store Program Memory Ready
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; ---------------------------------------------------------------------------
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; Device Info Block
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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:
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jmp main ; will be overwritten when flashing
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irqNotSet:
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reti
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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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; ldi r16, 0xb0 ; orig: a0
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; out OSCCAL, r16
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jmp bootLoader ; this routine is in modules/bootloader/main.asm
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; ***************************************************************************
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; includes
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.include "common/wait_10us.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/flash1pmega.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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; speed not changeable at runtime on this device
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ret
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