; ***************************************************************************
; 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 "version.asm"
.include "../defs.asm"
.include "devices/all/defs.asm"

.include "common/calls.asm"
.include "common/utils_io.asm"
.include "common/utils_wait.asm"



; ***************************************************************************
; defines

; ---------------------------------------------------------------------------
; 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 main                   ;  1: Reset vector
  reti                        ;  2: EXT_INT0
  reti                        ;  3: PCI0
  reti                        ;  4: PCI1
  reti                        ;  5: WDT
  reti                        ;  6: TIM1_CAPT
  reti                        ;  7: TIM1_COMPA
  reti                        ;  8: TIM1_COMPB
  reti                        ;  9: TIM1_OVF
  reti                        ; 10: TIM0_COMPA
  reti                        ; 11: TIM0_COMPB
  reti                        ; 12: TIM0_OVF
  reti                        ; 13: ANA_COMP
  reti                        ; 14: ADC
  reti                        ; 15: EE_RDY
  reti                        ; 16: USI_STR
  reti                        ; 17: USI_OVF

devInfoBlock:        ; 12 bytes
devInfoManufacturer: .db 'A', 'Q', 'U', 'A'
devInfoId:           .db DEVICEINFO_ID, 0
devInfoVersion:      .db DEVICEINFO_VERSION, DEVICEINFO_REVISION             ; 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/bootloader/main.asm



; ***************************************************************************
; includes

.include "common/utils_wait_fixed.asm"
.include "common/utils_copy_from_flash.asm"
.include "common/utils_copy_sdram.asm"

.include "modules/flash/defs.asm"
.include "modules/flash/eeprom.asm"
.include "modules/flash/io.asm"
.include "modules/flash/io_com2w.asm"
.include "modules/flash/flashxp.asm"
.include "modules/flash/flash1p.asm"
.include "modules/flash/flashprocess.asm"
.include "modules/flash/wait.asm"
.include "modules/bootloader/main.asm"
.include "modules/network/msg/defs.asm"
.include "modules/network/msg/crc.asm"



systemSetSpeed:
.if clock == 8000000
  ldi r16, (1<<CLKPCE)
  ldi r17, 0
  out CLKPR, r16
  out CLKPR, r17
.endif

.if clock == 1000000
  ldi r16, (1<<CLKPCE)
  ldi r17, (1<<CLKPS1) | (1<<CLKPS0)
  out CLKPR, r16
  out CLKPR, r17
.endif
  ret