163 lines
3.8 KiB
NASM
163 lines
3.8 KiB
NASM
; ***************************************************************************
|
|
; Source file for base system node on AtTiny 84
|
|
;
|
|
; This is for the maintenance system (i.e. the flash loader).
|
|
;
|
|
; All definitions and changes should go into this file.
|
|
; ***************************************************************************
|
|
|
|
.equ clock=1000000 ; Define the clock frequency
|
|
|
|
.nolist
|
|
.include "include/tn84def.inc" ; Define device ATtiny84
|
|
.list
|
|
|
|
.include "defs_all.asm"
|
|
.include "./defs.asm"
|
|
|
|
|
|
|
|
; ***************************************************************************
|
|
; defines
|
|
|
|
; ---------------------------------------------------------------------------
|
|
; generic
|
|
|
|
.include "common/utils_wait.asm"
|
|
.include "modules/com2/defs.asm"
|
|
.include "modules/comproto/defs.asm"
|
|
|
|
|
|
|
|
; ---------------------------------------------------------------------------
|
|
; firmware settings
|
|
|
|
.equ FIRMWARE_VERSION_MAJOR = 0
|
|
.equ FIRMWARE_VERSION_MINOR = 0
|
|
.equ FIRMWARE_VERSION_PATCHLEVEL = 1
|
|
|
|
|
|
|
|
; ---------------------------------------------------------------------------
|
|
; LED
|
|
|
|
.equ LED_DDR = DDRA
|
|
.equ LED_PORT = PORTA
|
|
.equ LED_PIN = PINA
|
|
.equ LED_PINNUM = PORTA3
|
|
|
|
|
|
; ***************************************************************************
|
|
; code segment
|
|
|
|
.cseg
|
|
.org 0x0000
|
|
|
|
|
|
|
|
; ---------------------------------------------------------------------------
|
|
; Reset and interrupt vectors
|
|
; rjmp start ; Reset vector
|
|
rjmp main ; Reset vector
|
|
reti ; EXT_INT0
|
|
reti ; PCI0
|
|
reti ; PCI1
|
|
reti ; WATCHDOG
|
|
reti ; ICP1
|
|
reti ; OC1A
|
|
reti ; OC1B
|
|
reti ; OVF1
|
|
reti ; OC0A
|
|
reti ; OC0B
|
|
reti ; OVF0
|
|
reti ; ACI
|
|
reti ; ADCC
|
|
reti ; ERDY
|
|
reti ; USI_STR
|
|
reti ; USI_OVF
|
|
|
|
|
|
devInfoBlock: ; 12 bytes
|
|
devInfoManufacturer: .db 'A', 'Q', 'U', 'A'
|
|
devInfoId: .db 'X', 0
|
|
devInfoVersion: .db 3, 0 ; version, revision
|
|
firmwareVersion: .db FIRMWARE_VARIANT_BOOT, FIRMWARE_VERSION_MAJOR
|
|
.db FIRMWARE_VERSION_MINOR, FIRMWARE_VERSION_PATCHLEVEL
|
|
|
|
firmwareStart: rjmp main ; will be overwritten when flashing
|
|
|
|
|
|
|
|
; ***************************************************************************
|
|
; main code
|
|
|
|
|
|
.org BOOTLOADER_ADDR
|
|
|
|
|
|
main:
|
|
rjmp bootLoader ; this routine is in modules/flash/proto.asm
|
|
|
|
|
|
|
|
|
|
; ***************************************************************************
|
|
; includes
|
|
|
|
.include "modules/uart_bitbang/bytelevel.asm"
|
|
.include "modules/uart_bitbang/packetlevel.asm"
|
|
.include "modules/com2/crc.asm"
|
|
.include "common/crc8.asm"
|
|
.include "common/utils_wait_fixed.asm"
|
|
.include "common/utils_copy_from_flash.asm"
|
|
.include "common/utils_copy_sdram.asm"
|
|
.include "modules/flash/bootloader.asm"
|
|
.include "modules/flash/flash.asm"
|
|
.include "modules/flash/recv.asm"
|
|
.include "modules/flash/send.asm"
|
|
.include "modules/flash/wait.asm"
|
|
.include "modules/flash/hdl_flash_start.asm"
|
|
.include "modules/flash/hdl_flash_data.asm"
|
|
.include "modules/flash/hdl_flash_end.asm"
|
|
.include "modules/flash/flash_rsp.asm"
|
|
.include "modules/flash/flash_ready.asm"
|
|
|
|
|
|
#if 0
|
|
debugStop:
|
|
cli
|
|
sbi LED_SIMPLE_DDR, LED_SIMPLE_PINNUM ; out
|
|
cbi LED_SIMPLE_PORT, LED_SIMPLE_PINNUM ; on
|
|
|
|
cbi COM_ATTN_DDR, COM_ATTN_PIN ; set ATTN port as input
|
|
cbi COM_ATTN_OUTPUT, COM_ATTN_PIN ; disable internal pullup for ATTN
|
|
|
|
ldi r18, 0
|
|
test_loop1:
|
|
ldi r16, 100
|
|
test_loop2:
|
|
ldi r17, 100
|
|
test_loop3:
|
|
Utils_WaitNanoSecs 10000, 0, r22
|
|
dec r17
|
|
brne test_loop3
|
|
dec r16
|
|
brne test_loop2
|
|
sbi LED_SIMPLE_PORTIN, LED_SIMPLE_PINNUM ; toggle
|
|
inc r18
|
|
mov r19, r18
|
|
andi r19, 1
|
|
brne test1
|
|
sbi COM_ATTN_DDR, COM_ATTN_PIN
|
|
cbi COM_ATTN_OUTPUT, COM_ATTN_PIN
|
|
rjmp test_loop1
|
|
test1:
|
|
cbi COM_ATTN_DDR, COM_ATTN_PIN
|
|
cbi COM_ATTN_OUTPUT, COM_ATTN_PIN
|
|
|
|
rjmp test_loop1
|
|
#endif
|
|
|
|
|
|
|