151 lines
4.0 KiB
NASM
151 lines
4.0 KiB
NASM
; ***************************************************************************
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; Source file for base system node on AtMega 8515
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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=8000000 ; Define the clock frequency
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.nolist
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.include "include/m8515def.inc" ; Define device ATmega8515
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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 = DDRE
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.equ LED_PORT = PORTE
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.equ LED_PIN = PINE
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.equ LED_PINNUM = PORTE2
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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 main ; 1: Reset vector RESET
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reti ; 2: INT0 External Interrupt Request 0
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reti ; 3: INT1 External Interrupt Request 1
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reti ; 4: TIMER1_CAPT Timer/Counter1 Capture Event
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reti ; 5: TIMER1_COMPA Timer/Counter1 Compare Match A
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reti ; 6: TIMER1_COMPB Timer/Counter1 Compare Match B
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reti ; 7: TIMER1_OVF Timer/Counter1 Overflow
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reti ; 8: TIMER0_OVF Timer/Counter0 Overflow
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reti ; 9: SPI_STC Serial Transfer Complete
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reti ; 10: USART_RXC USART Rx Complete
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reti ; 11: USART_UDRE USART Data Register Empty
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reti ; 12: USART_TXC USART Tx Complete
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reti ; 13: ANA_COMP Analog Comparator
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reti ; 14: INT2 External Interrupt Request 2
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reti ; 15: TIMER0_COMP Timer/Counter0 Compare Match
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reti ; 16: EE_RDY EEPROM Ready
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reti ; 17: 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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rjmp main ; will be overwritten when flashing
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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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rjmp 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_attn.asm"
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.include "modules/flash/io_uart.asm"
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;.include "modules/flash/io_uart_all_attn.asm"
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.include "modules/flash/io_uart_attn_small.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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