.include "../inc/common.inc"
.include "../inc/commonprint.inc"
.include "../inc/net.inc"

.export start

.import exit_to_basic

.import dns_set_hostname
.import dns_resolve
.import dns_ip
.import dns_status
.import sntp_ip
.import sntp_utc_timestamp
.import sntp_get_time


; keep LD65 happy
.segment "INIT"
.segment "ONCE"


.segment "STARTUP"

  lda #14
  jsr print_a                   ; switch to lower case

start:
  jsr print_cr
  init_ip_via_dhcp
  jsr print_ip_config

  ldax #time_server_msg
  jsr print
  ldax #time_server_host
  jsr print
  jsr print_cr
  ldax #time_server_host
  jsr dns_set_hostname
  bcs @dns_error
  jsr dns_resolve
  bcs @dns_error
  ldx #3                        ; set destination address
: lda dns_ip,x
  sta sntp_ip,x
  dex
  bpl :-

  ldax #sending_query
  jsr print
  ldax #sntp_ip
  jsr print_dotted_quad
  jsr print_cr
  jsr sntp_get_time
  bcc @ok
  ldax #sntp_error
  jmp @print_error
@ok:
  ldy #3
: lda sntp_utc_timestamp,y
  jsr print_hex
  dey
  bpl :-
  jmp exit_to_basic

@dns_error:
  ldax #dns_error
@print_error:
  jsr print
  jsr print_errorcode
  jmp exit_to_basic


.data

time_server_msg:
  .byte "TIME SERVER : ",0

time_server_host:
  .byte "jamtronix.com",0
; .byte "150.101.112.134",0
  .byte "0.POOL.SNTP.ORG",0

sending_query:
  .byte "SENDING SNTP QUERY TO ",0
sntp_error:
  .byte "ERROR DURING SNTP QUERY",13,0
dns_error:
  .byte "ERROR RESOLVING HOSTNAME",13,0

 divs:
  .byte $02,$30,$00,$00
  .byte $05,$00,$00,$00



; -- LICENSE FOR sntp.s --
; The contents of this file are subject to the Mozilla Public License
; Version 1.1 (the "License"); you may not use this file except in
; compliance with the License. You may obtain a copy of the License at
; http://www.mozilla.org/MPL/
;
; Software distributed under the License is distributed on an "AS IS"
; basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
; License for the specific language governing rights and limitations
; under the License.
;
; The Original Code is ip65.
;
; The Initial Developer of the Original Code is Jonno Downes,
; jonno@jamtronix.com.
; Portions created by the Initial Developer are Copyright (C) 2009
; Jonno Downes. All Rights Reserved.
; -- LICENSE END --