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#------------------------------------------------------------------------------
# $File: map,v 1.10 2023/02/03 20:41:57 christos Exp $
# map: file(1) magic for Map data
#
# Garmin .FIT files https://pub.ks-and-ks.ne.jp/cycling/edge500_fit.shtml
8 string .FIT FIT Map data
>15 byte 0
>>35 belong x \b, unit id %d
>>39 lelong x \b, serial %u
# https://pub.ks-and-ks.ne.jp/cycling/edge500_fit.shtml
# 20 years after unix epoch
# TZ=GMT date -d '1989-12-31 0:00' +%s
>>43 leldate+631065600 x \b, %s
>>47 leshort x \b, manufacturer %d
>>47 leshort 1 \b (garmin)
>>49 leshort x \b, product %d
>>53 byte x \b, type %d
>>53 byte 1 \b (Device)
>>53 byte 2 \b (Settings)
>>53 byte 3 \b (Sports/Cycling)
>>53 byte 4 \b (Activity)
>>53 byte 8 \b (Elevations)
>>53 byte 10 \b (Totals)
# Summary: Garmin map
# From: Joerg Jenderek
# URL: https://en.wikipedia.org/wiki/Garmin_.img
# Reference: https://wiki.openstreetmap.org/wiki/OSM_Map_On_Garmin/IMG_File_Format
# sourceforge.net/projects/garmin-img/files/IMG%20File%20Format/1.0/imgformat-1.0.pdf
# GRR: similar to MBR boot sector handled by ./filesystems
0x1FE leshort =0xAA55
# look for valid map signature
>0x13 string =IMG\0
>>0 use garmin-map
0 name garmin-map
>0 ubyte x Garmin
!:mime application/x-garmin-map
# If non-zero, every byte of the entire .img file is to be XORed with this value
>0 ubyte !0 \b, %#x XORed
# goto block before FAT
>(0x40.b*512) ubyte x
# 1st fat name "DLLINFO TXT" only found for vpm
>>&512 string =DLLINFO\ TXT map (Voice Processing)
# there exist 2 other Garmin VPM formats; see ./audio
!:ext vpm
# Deutsch__Yannick_D4481-00_0210.vpm
#>>>512 search/0x0116da60/s RIFF \b; with
# determine type voice type by ./riff
#>>>>&0 indirect x \b
>>&512 string !DLLINFO\ TXT map
!:ext img
# 9 zeros
>1 ubelong !0 \b, zeroes %#x
# Map's version major
>8 ubyte x v%u
# Map's version minor
>9 ubyte x \b.%.2u
# Map description[20], 0x20 padded
>0x49 string x %.20s
# Map name, continued (0x20 padded, \0 terminated)
>0x65 string >\ \b%.31s
# Update year (+1900 for val >= 0x63, +2000 for val <= 0x62)
>0xB ubyte x \b, updated
>>0xB ubyte >0x62
>>>0xB ubyte-100 x 20%.2u
>>0xB ubyte <0x63
>>>0xB ubyte x 20%.2u
# Update month (0-11)
>0xA ubyte x \b-%.2u
# All zeroes
>0xc uleshort !0 \b, zeroes %#x
# Mapsource flag, 1 - file created by Mapsource, 0 - Garmin map visible in Basecamp and Homeport
#>0xE ubyte !0 \b, Mapsource flag %#x
>0xE ubyte 1 \b, Mapsource
# Checksum, sum of all bytes modulo 256 should be 0
#>0xF ubyte x \b, Checksum %#x
# Signature: DSKIMG 0x00 or DSDIMG 0x00 for demo map
>0x10 string !DSKIMG \b, signature "%.7s"
>0x39 use garmin-date
# Map file identifier like GARMIN\0
>0x41 string !GARMIN \b, id "%.7s"
# Block size exponent, E1; appears to always be 0x09; minimum block size 512 bytes
>0x61 ubyte !0x09 \b, E1=%u
# Block size exponent, E2 ; file blocksize=2**(E1+E2)
>>0x62 ubyte x \b, E2=%u
>0x61 ubyte =0x09 \b, blocksize
>>0x62 ubyte 0 512
>>0x62 ubyte 1 1024
>>0x62 ubyte 2 2048
>>0x62 ubyte 3 4096
>>0x62 ubyte 4 8192
>>0x62 ubyte 5 16384
>>0x62 default x
>>>0x62 ubyte x E2=%u
# MBR signature
>0x1FE leshort !0xAA55 \b, invalid MBR
# 512 zeros
>0x200 uquad !0 \b, zeroes %#llx
# First sub-file offset (absolute); sometimes NO/UNKNOWN sub file!
>0x40C ulelong >0 \b, at %#x
# sub-file Header length
#>>(0x40C.l) uleshort x \b, header len %#x
>>(0x40C.l) uleshort x %u bytes
# sub-file Type[10] like "GARMIN RGN" "GARMIN TRE", "GARMIN TYP", etc.
>>(0x40C.l+2) ubyte >0x1F
>>>(0x40C.l+2) ubyte <0xFF
>>>>(0x40C.l+2) string x "%.10s"
# 0x00 for most maps, 0x80 for locked maps (City Nav, City Select, etc.)
>>>>(0x40C.l+13) ubyte >0 \b, locked %#x
# Block sequence numbers like 0000 0100 0200 ... FFFF
# >0x420 ubequad >0 \b, seq. %#16.16llx
# >>0x428 ubequad >0 \b%16.16llx
# >>>0x430 ubequad >0 \b%16.16llx
# >>>>0x438 ubequad >0 \b%16.16llx
# >>>>>0x440 ubequad >0 \b%16.16llx
# >>>>>>0x448 ubequad >0 \b%16.16llx
# >>>>>>>0x450 ubequad >0 \b%16.16llx
# >>>>>>>>0x458 ubequad >0 \b%16.16llx
# >>>>>>>>>0x460 ubequad >0 \b%16.16llx
# >>>>>>>>>>0x468 ubequad >0 \b%16.16llx
# >>>>>>>>>>>0x470 ubequad >0 \b%16.16llx
# >>>>>>>>>>>>0x478 ubequad >0 \b%16.16llx
# >>>>>>>>>>>>>0x480 ubequad >0 \b%16.16llx
# >>>>>>>>>>>>>>0x488 ubequad >0 \b%16.16llx
# >>>>>>>>>>>>>>>0x490 ubequad >0 \b%16.16llx
# >>>>>>>>>>>>>>>>0x498 ubequad >0 \b%16.16llx
# >>>>>>>>>>>>>>>>>0x4A0 ubequad >0 \b%16.16llx
# >>>>>>>>>>>>>>>>>>0x4A8 ubequad >0 \b%16.16llx
# look for end of FAT
#>>0x420 search/512/s \xff\xff FAT END
# Physical block number of FAT header
#>0x40 ubyte x \b, FAT at phy. block %u
>0x40 ubyte x
>>(0x40.b*512) ubyte x
# 1st FAT block
>>>&511 use garmin-fat
# 2nd FAT block
>>>&1023 use garmin-fat
# 3th FAT block
>>>&1535 use garmin-fat
# 4th FAT block
>>>&2047 use garmin-fat
# ... xth FAT block
#
# 314 zeros but not in vpm and also gmaptz.img
>0x84 uquad !0 \b, at 0x84 %#llx
# display FileAllocationTable block entry in garmin map
0 name garmin-fat
>0 ubyte x \b;
# sub file part; 0x0003 seems to be garbage
>0x10 uleshort !0 next %#4.4x
>0x10 uleshort =0
# fat flag 0~dummy block 1~true sub file
>>0 ubyte !1 flag %u
>>0 ubyte =1
# sub-file name like MAKEGMAP 12345678
>>>0x1 string x %.8s
# sub-file typ like RGN TRE MDR LBL
>>>0x9 string x \b.%.3s
# size of sub file
>>>0xC ulelong x \b, %u bytes
# 32-bit block sequence numbers
#>>>0x20 ubequad x \b, seq. %#16.16llx
# display date stored inside Garmin maps like yyyy-mm-dd h:mm:ss
0 name garmin-date
# year like 2018
>0 uleshort x \b, created %u
# month (0-11)
>2 ubyte x \b-%.2u
# day (1-31)
>3 ubyte x \b-%.2u
# hour (0-23)
>4 ubyte x %u
# minute (0-59)
>5 ubyte x \b:%.2u
# second (0-59)
>6 ubyte x \b:%.2u
# Summary: Garmin Map subfiles
# From: Joerg Jenderek
# URL: https://wiki.openstreetmap.org/wiki/OSM_Map_On_Garmin/IMG_File_Format
# Garmin Common Header
2 string GARMIN\
# skip ASCII text by checking for low header length
>0 uleshort <0x1000 Garmin map,
# URL: https://wiki.openstreetmap.org/wiki/OSM_Map_On_Garmin/GMP_Subfile_Format
>>9 string GMP subtile
!:mime application/x-garmin-gpm
!:ext gmp
# copyright message
>>>(0.s) string x %s
>>>0x0E use garmin-date
# URL: https://wiki.openstreetmap.org/wiki/OSM_Map_On_Garmin/MDR_Subfile_Format
# This contains the searchable address table used for finding routing destinations
>>9 string MDR address table
!:mime application/x-garmin-mdr
!:ext mdr
# URL: https://wiki.openstreetmap.org/wiki/OSM_Map_On_Garmin/NOD_Subfile_Format
# http://svn.parabola.me.uk/display/trunk/doc/nod.txt
# This contains the routing information
>>9 string NOD routing
!:mime application/x-garmin-nod
!:ext nod
>>>0x0E use garmin-date
#>>>0x15 ulelong x \b, at %#x
#>>>0x19 ulelong x %#x bytes NOD1
#>>>0x25 ulelong x \b, at %#x
#>>>0x29 ulelong x %#x bytes NOD2
#>>>0x31 ulelong x \b, at %#x
#>>>0x35 ulelong x %#x bytes NOD3
# URL: http://www.pinns.co.uk/osm/net.html
# routable highways (length, direction, allowed speed,house address information)
>>9 string NET highways
!:mime application/x-garmin-net
!:ext net
#>>>0x15 ulelong x \b, at %#x
#>>>0x19 ulelong x %#x bytes NET1
#>>>0x22 ulelong >0
#>>>>0x1E ulelong x \b, at %#x
#>>>>0x22 ulelong x %#x bytes NET2
#>>>0x2B ulelong >0
#>>>>0x27 ulelong x \b, at %#x
#>>>>0x2B ulelong x %#x bytes NET3
# URL: https://wiki.openstreetmap.org/wiki/OSM_Map_On_Garmin/LBL_Subfile_Format
>>9 string LBL labels
!:mime application/x-garmin-lbl
!:ext lbl
>>>(0.s) string x %s
# Label coding type 6h 9h and ah
>>>0x1E ubyte x \b, coding type %#x
#>>>0x15 ulelong x \b, at %#x
#>>>0x19 ulelong x %#x bytes LBL1
#>>>0x1F ulelong x \b, at %#x
#>>>0x23 ulelong x %#x bytes LBL2
#>>>0x2D ulelong x \b, at %#x
#>>>0x31 ulelong x %#x bytes LBL3
# URL: https://wiki.openstreetmap.org/wiki/OSM_Map_On_Garmin/SRT_Subfile_Format
# A lookup table of the chars in the map's codepage, and their collating sequence
>>9 string SRT sort table
!:mime application/x-garmin-srt
!:ext srt
>>>0x0E use garmin-date
# URL: https://wiki.openstreetmap.org/wiki/OSM_Map_On_Garmin/TRE_Subfile_Format
>>9 string TRE tree
!:mime application/x-garmin-tre
!:ext tre
# title like City Nav Europe NTU 2019.2 Basemap
# or OSM Street map
>>>(0.s) string x %s
# 2nd title like Copyright 1995-2018 by GARMIN Corporation.
# or http://www.openstreetmap.org/
>>>>&1 string x %s
>>>0x0E use garmin-date
#>>>0x21 ulelong x \b, at %#x
#>>>0x25 ulelong x %#x bytes TRE1
#>>>0x29 ulelong x \b, at %#x
#>>>0x2D ulelong x %#x bytes TRE2
#>>>0x31 ulelong x \b, at %#x
#>>>0x35 ulelong x %#x bytes TRE3
# Copyright record size
#>>>0x39 uleshort x \b, copyright record size %u
# Map ID
>>>0x74 ulelong x \b, ID %#x
# URL: https://www.gpspower.net/garmin-tutorials/353310-basecamp-installing-free-desktop-map.html
# For road traffic information service (RDS/TMS/TMC). Commonly seen in City Navigator maps
>>9 string TRF traffic,
!:mime application/x-garmin-trf
!:ext trf
# city/region like Preitenegg
>>>(0.s+1) string x 1st %s
# highway part like L606/L148
>>>>&1 string x %s
# URL: https://wiki.openstreetmap.org/wiki/OSM_Map_On_Garmin/Format
# Reference: http://www.pinns.co.uk/osm/typformat.html
# customize the appearance of objects. For GPS and MapSource/Qlandkarte better looking maps
>>9 string TYP types
!:mime application/x-garmin-typ
!:ext typ
>>>0x0E use garmin-date
# character set 1252 65001~UTF8
>>>0x15 uleshort x \b, code page %u
# POIs
#>>>0x17 ulelong x \b, at %#x
#>>>0x1B ulelong x %#x bytes TYP1
# extra pois
#>>>0x5B ulelong x \b, at %#x
#>>>0x5F ulelong x %#x bytes TYP8
# URL: https://wiki.openstreetmap.org/wiki/OSM_Map_On_Garmin/RGN_Subfile_Format
# http://www.pinns.co.uk/osm/RGN.html
# region data used by the Garmin software
>>9 string RGN region
!:mime application/x-garmin-rgn
!:ext rgn
# POIs,Indexed POIs,Polylines or Polygons or first map level
#>>>0x15 ulelong x \b, at %#x
#>>>0x19 ulelong x %#x bytes RGN1
# polygons with extended types
#>>>0x21 ulelong >0
#>>>>0x1D ulelong x \b, at %#x
#>>>>0x21 ulelong x %#x bytes RGN2
# polylines with extended types
#>>>0x3D ulelong >0
#>>>>0x39 ulelong x \b, at %#x
#>>>>0x3D ulelong x %#x bytes RGN3
# extended POIs
#>>>0x59 ulelong >0
#>>>>0x55 ulelong x \b, at %#x
#>>>>0x59 ulelong x %#x bytes RGN3
#>>9 default x unknown map type
# Header length; GMP:31h 35h 3Dh,MDR:11Eh 238h 2C4h 310h,NOD:3Fh 7Fh,NET:64h,
# LBL:2A9h,SRT:1Dh 25h 27h,TRE:CFh 135h,TRF:5Ah,TYP:5Bh 6Eh 7Ch AEh,RGN:7Dh
>>0 uleshort x \b, header length %#x
# URL: https://www.memotech.franken.de/FileFormats/
# Reference: https://www.memotech.franken.de/FileFormats/Garmin_RGN_Format.pdf
# From: Joerg Jenderek
0 string KpGr Garmin update
# format version like: 0064h~1.0
>0x4 uleshort !0x0064
>>4 uleshort/100 x \b, version %u
>>4 uleshort%100 x \b.%u
# 1st Garmin entry
>6 use garmin-entry
# 2nd Garmin entry
>(0x6.l+10) ubyte x
>>&0 use garmin-entry
# 3rd entry
>(0x6.l+10) ubyte x
>>&(&0.l+4) ubyte x
>>>&0 use garmin-entry
# look again at version to use default clause
>0x4 uleshort x
# test for region content by looking for
# Garmin *.srf by ./images with normal builder name "SQA" or longer "hales"
# 1 space after equal sign
>>0x3a search/5/s GARMIN\ BITMAP \b=
!:mime image/x-garmin-exe
!:ext exe
>>>&0 indirect x
# if not bitmap *.srf then region; 1 space after equal sign
>>0x3a default x \b=
!:mime application/x-garmin-rgn
!:ext rgn
# recursiv embedded
>>>0x3a search/5/s KpGrd
>>>>&0 indirect x
# look for ZIP or JAR archive by ./archive and ./zip
>>>0x3a search/5/s PK\003\004
>>>>&0 indirect x
# TODO: other garmin RGN record content like foo
#>>0x3a search/5/s bar BAR
# display information of Garmin RGN record
0 name garmin-entry
# record length: 2 for Data, for Application often 1Bh sometimes 1Dh, "big" for Region
#>0 ulelong x \b, length %#x
# data record (ID='D') with version content like 0064h~1.0
>4 ubyte =0x44
>>5 uleshort !0x0064 \b; Data
>>>5 uleshort/100 x \b, version %u
>>>5 uleshort%100 x \b.%u
# Application Record (ID='A')
>4 ubyte =0x41 \b; App
# version content like 00c8h~2.0
>>5 uleshort !0x00C8
>>>5 uleshort/100 x \b, version %u
>>>5 uleshort%100 x \b.%u
# builder name like: SQA sqa build hales
>>7 string x \b, build by %s
# build date like: Oct 25 1999, Oct 1 2008, Feb 23 2009, Dec 15 2009
>>>&1 string x %s
# build time like: 11:26:12, 11:45:54, 14:16:13, 18:23:01
>>>>&1 string x %s
# region record (ID='R')
>4 ubyte =0x52 \b; Region
# region ID:14~fw_all.bin: 78~ZIP, RGN or SRF bitmap; 148~ZIP or JAR; 249~display firmware; 251~WiFi or GCD firmware; 255~ZIP
>>5 uleshort x ID=%u
# delay in ms: like 0, 500
>>7 ulelong !0 \b, %u ms
# region size (is record length - 10)
#>>11 ulelong x \b, length %#x
# region content like:
# "KpGr"~recursiv embedded,"GARMIN BITMAP"~Garmin Bitmap *.srf, "PK"~ZIP archive
#>>15 string x \b, content "%s"
>>15 ubequad x \b, content %#llx...
# This does NOT WORK!
#>>15 indirect x \b; contains
>4 default x \b; other
# garmin Record ID Identifies the record content like: D A R
>>4 ubyte x ID '%c'
# TOM TOM GPS watches ttbin files:
# https://github.com/ryanbinns/ttwatch/tree/master/ttbin
# From: Daniel Lenski
0 byte 0x20
>1 leshort 0x0007
>>0x76 byte 0x20
>>>0x77 leshort 0x0075 TomTom activity file, v7
>>>>8 leldate x (%s,
>>>>3 byte x device firmware %d.
>>>>4 byte x \b%d.
>>>>5 byte x \b%d,
>>>>6 leshort x product ID %04d)
# Garmin firmware:
# https://www.memotech.franken.de/FileFormats/Garmin_GCD_Format.pdf
# https://www.gpsrchive.com/GPSMAP/GPSMAP%2066sr/Firmware.html
0 string GARMIN
>6 uleshort 100 GARMIN firmware (version 1.0)
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