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garmin_struct.h
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garmin_struct.h
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#ifndef GARMIN_STRUCT_H
#define GARMIN_STRUCT_H
#ifdef GT_POSIX
# define PACK_STRUCT __attribute__((packed))
#else
# define PACK_STRUCT
# pragma pack(push, 1)
#endif
struct garmin_img {
uint8_t xor_byte;
uint8_t unknown_001[9];
uint8_t umonth;
uint8_t uyear;
uint8_t unknown_00c[3];
uint8_t checksum;
char signature[7];
uint8_t unknown_017;
uint16_t sectors;
uint16_t heads;
uint16_t cylinders;
uint16_t unknown_01e;
uint8_t unknown_020[25];
uint16_t cyear;
uint8_t cmonth;
uint8_t cdate;
uint8_t chour;
uint8_t cminute;
uint8_t csecond;
uint8_t fat_offset; // in blocks of 512bytes from the start
char identifier[7];
uint8_t unknown_048;
char desc1[20];
uint16_t heads1;
uint16_t sectors1;
uint8_t blockexp1;
uint8_t blockexp2;
uint16_t unknown_063;
char desc2[30];
uint8_t unknown_083;
uint8_t unknown_084[904];
uint32_t data_offset;
uint8_t unknown_410[16];
uint16_t blocks[240];
} PACK_STRUCT ;
struct garmin_fat {
uint8_t flag; // 0x00
char name[8]; // 0x01
char type[3]; // 0x09
uint32_t size; // 0x0c
uint16_t part; // 0x10
uint8_t unknown_012[14]; // 0x12
uint16_t blocks[240]; // 0x20
} PACK_STRUCT ;
struct garmin_subfile {
uint16_t hlen; // 0x00
char type[10]; // 0x02
uint8_t unknown_00c; // 0x0c
uint8_t locked; // 0x0d
uint16_t year; // 0x0e
uint8_t month; // 0x10
uint8_t date; // 0x11
uint8_t hour; // 0x12
uint8_t minute; // 0x13
uint8_t second; // 0x14
} PACK_STRUCT ;
struct garmin_tre {
struct garmin_subfile comm;
uint8_t northbound[3]; ///< 0x00000015 .. 0x00000017
uint8_t eastbound[3]; ///< 0x00000018 .. 0x0000001A
uint8_t southbound[3]; ///< 0x0000001B .. 0x0000001D
uint8_t westbound[3]; ///< 0x0000001E .. 0x00000020
uint32_t tre1_offset; ///< 0x00000021 .. 0x00000024
uint32_t tre1_size; ///< 0x00000025 .. 0x00000028
uint32_t tre2_offset; ///< 0x00000029 .. 0x0000002C
uint32_t tre2_size; ///< 0x0000002D .. 0x00000030
uint32_t tre3_offset; ///< 0x00000031 .. 0x00000034
uint32_t tre3_size; ///< 0x00000035 .. 0x00000038
uint16_t tre3_rec_size; ///< 0x00000039 .. 0x0000003A
uint8_t unknown_03b[4];
uint8_t POI_flags; ///< 0x0000003F
uint8_t drawprio; // map draw priority
uint8_t unknown_041[9];
uint32_t tre4_offset; ///< 0x0000004A .. 0x0000004D
uint32_t tre4_size; ///< 0x0000004E .. 0x00000051
uint16_t tre4_rec_size; ///< 0x00000052 .. 0x00000053
uint8_t unknown_054[4];
uint32_t tre5_offset; ///< 0x00000058 .. 0x0000005B
uint32_t tre5_size; ///< 0x0000005C .. 0x0000005F
uint16_t tre5_rec_size; ///< 0x00000060 .. 0x00000061
uint8_t unknown_062[4];
uint32_t tre6_offset; ///< 0x00000066 .. 0x00000069
uint32_t tre6_size; ///< 0x0000006A .. 0x0000006D
uint16_t tre6_rec_size; ///< 0x0000006E .. 0x0000006F
uint8_t unknown_070[4]; ///< 0x00000070 .. 0x00000073 break
uint32_t mapID; ///< 0x00000074 .. 0x00000077 break
uint8_t unknown_078[4];
uint32_t tre7_offset; ///< 0x0000007C .. 0x0000007F
uint32_t tre7_size; ///< 0x00000080 .. 0x00000083
uint16_t tre7_rec_size; ///< 0x00000084 .. 0x00000085
uint8_t unknown_086[4];
uint32_t tre8_offset; ///< 0x0000008A .. 0x0000008D
uint32_t tre8_size; ///< 0x0000008E .. 0x00000091
uint16_t tre8_rec_size;
uint8_t unknown_094[6];
uint8_t key[20]; ///< 0x0000009A .. 0x000000AD
uint32_t tre9_offset; ///< 0x000000AE .. 0x000000B1
uint32_t tre9_size; ///< 0x000000B2 .. 0x000000B5
uint16_t tre9_rec_size; ///< 0x000000B6 .. 0x000000B7
uint8_t unknown_0b8[4]; ///< 0x000000B8 .. 0x000000BB break
uint32_t tre10_offset; ///< 0x000000BC .. 0x000000BF
uint32_t tre10_size; ///< 0x000000C0 .. 0x000000C3
uint16_t tre10_rec_size; ///< 0x000000C4 .. 0x000000C5 break
uint8_t unknown_0c6[4]; ///< 0x000000C6 .. 0x000000C9 break
uint8_t unknown_0ca[4]; ///< 0x000000CA .. 0x000000CD break
uint8_t unknown_0ce; ///< 0x000000CE .. 0x000000CE break
} PACK_STRUCT ;
struct garmin_tre_map_level {
uint8_t level :4;
uint8_t bit456 :3;
uint8_t inherited :1;
uint8_t bits;
uint16_t nsubdiv;
} PACK_STRUCT ;
struct garmin_tre_subdiv {
uint8_t rgn_offset[3];
uint8_t elements;
uint8_t center_lng[3];
uint8_t center_lat[3];
uint16_t width :15;
uint16_t terminate :1;
uint16_t height :15;
uint16_t unknownbit :1;
uint16_t next;
} PACK_STRUCT ;
struct garmin_rgn {
struct garmin_subfile comm; // 0x000
uint32_t rgn1_offset; // 0x015
uint32_t rgn1_length; // 0x019
/* break */
uint32_t rgn2_offset; // 0x01d
uint32_t rgn2_length; // 0x021
uint8_t unknown_025[20]; // 0x025
uint32_t rgn3_offset; // 0x039
uint32_t rgn3_length; // 0x03d
uint8_t unknown_041[20]; // 0x041
uint32_t rgn4_offset; // 0x055
uint32_t rgn4_length; // 0x059
uint8_t unknown_05d[20]; // 0x05d
uint32_t rgn5_offset; // 0x071
uint32_t rgn5_length; // 0x075
uint32_t unknown_079; // 0x079
} PACK_STRUCT ;
struct garmin_lbl {
struct garmin_subfile comm;
uint32_t lbl1_offset; ///< 0x00000015 .. 0x00000018
uint32_t lbl1_length; ///< 0x00000019 .. 0x0000001C
uint8_t addr_shift; ///< 0x0000001D
uint8_t coding; ///< 0x0000001E
uint32_t lbl2_offset; ///< 0x0000001F .. 0x00000022
uint32_t lbl2_length; ///< 0x00000023 .. 0x00000026
uint16_t lbl2_recsize; ///< 0x00000027 .. 0x00000028
uint32_t lbl2_u;
uint32_t lbl3_offset; ///< 0x0000002D .. 0x00000030
uint32_t lbl3_length; ///< 0x00000031 .. 0x00000034
uint16_t lbl3_recsize; ///< 0x00000035 .. 0x00000036
uint32_t lbl3_u;
uint32_t lbl4_offset; ///< 0x0000003B .. 0x0000003E
uint32_t lbl4_length; ///< 0x0000003F .. 0x00000042
uint16_t lbl4_recsize; ///< 0x00000043 .. 0x00000044
uint32_t lbl4_u;
uint32_t lbl5_offset; ///< 0x00000049 .. 0x0000004C
uint32_t lbl5_length; ///< 0x0000004D .. 0x00000050
uint16_t lbl5_recsize; ///< 0x00000051 .. 0x00000052
uint32_t lbl5_u;
uint32_t lbl6_offset; ///< 0x00000057 .. 0x0000005A
uint32_t lbl6_length; ///< 0x0000005B .. 0x0000005E
uint8_t lbl6_addr_shift; ///< 0x0000005F
uint8_t lbl6_glob_mask; ///< 0x00000060
uint8_t lbl6_u[3];
uint32_t lbl7_offset; ///< 0x00000064 .. 0x00000067
uint32_t lbl7_length; ///< 0x00000068 .. 0x0000006B
uint16_t lbl7_recsize; ///< 0x0000006C .. 0x0000006D
uint32_t lbl7_u;
uint32_t lbl8_offset; ///< 0x00000072 .. 0x00000075
uint32_t lbl8_length; ///< 0x00000076 .. 0x00000079
uint16_t lbl8_recsize; ///< 0x0000007A .. 0x0000007B
uint32_t lbl8_u;
uint32_t lbl9_offset; ///< 0x00000080 .. 0x00000083
uint32_t lbl9_length; ///< 0x00000084 .. 0x00000087
uint16_t lbl9_recsize; ///< 0x00000088 .. 0x00000089
uint32_t lbl9_u;
uint32_t lbl10_offset; ///< 0x0000008E .. 0x00000091
uint32_t lbl10_length; ///< 0x00000092 .. 0x00000095
uint16_t lbl10_recsize; ///< 0x00000096 .. 0x00000097
uint32_t lbl10_u;
uint32_t lbl11_offset; ///< 0x0000009C .. 0x0000009F
uint32_t lbl11_length; ///< 0x000000A0 .. 0x000000A3
uint16_t lbl11_recsize; ///< 0x000000A4 .. 0x000000A5
uint32_t lbl11_u; ///< 0x000000A6 .. 0x000000A9 break
uint16_t codepage; // 0x0aa
uint16_t codepage2; // 0x0ac
uint16_t codepage3; // 0x0ae
uint32_t lbl12_offset; // 0x0b0
uint32_t lbl12_length; // 0x0b4
uint32_t lbl13_offset; // 0x0b8
uint32_t lbl13_length; // 0x0bc
uint16_t lbl13_recsize; // 0x0c0
uint16_t lbl13_u; // 0x0c2
uint32_t lbl14_offset; // 0x0c4
uint32_t lbl14_length; // 0x0c8
uint16_t lbl14_recsize; // 0x0cc
uint16_t lbl14_u; // 0x0ce
uint32_t lbl15_offset; // 0x0d0
uint32_t lbl15_length; // 0x0d4
uint16_t lbl15_recsize; // 0x0d8
uint32_t lbl15_u; // 0x0da
uint32_t lbl16_offset; // 0x0de
uint32_t lbl16_length; // 0x0e2
uint16_t lbl16_recsize; // 0x0e6
uint32_t lbl16_u; // 0x0e8
uint32_t lbl17_offset; // 0x0ec
uint32_t lbl17_length; // 0x0f0
uint16_t lbl17_recsize; // 0x0f4
uint32_t lbl17_u; // 0x0f6
uint32_t lbl18_offset; // 0x0fa
uint32_t lbl18_length; // 0x0fe
uint16_t lbl18_recsize; // 0x102
uint32_t lbl18_u; // 0x104
uint32_t lbl19_offset; // 0x108
uint32_t lbl19_length; // 0x10c
uint16_t lbl19_recsize; // 0x110
uint32_t lbl19_u; // 0x112
uint32_t lbl20_offset; // 0x116
uint32_t lbl20_length; // 0x11a
uint16_t lbl20_recsize; // 0x11e
uint32_t lbl20_u; // 0x120
uint32_t lbl21_offset; // 0x124
uint32_t lbl21_length; // 0x128
uint16_t lbl21_recsize; // 0x12c
uint32_t lbl21_u; // 0x12e
uint32_t lbl22_offset; // 0x132
uint32_t lbl22_length; // 0x136
uint16_t lbl22_recsize; // 0x13a
uint32_t lbl22_u; // 0x13c
uint32_t lbl23_offset; // 0x140
uint32_t lbl23_length; // 0x144
uint16_t lbl23_recsize; // 0x148
uint32_t lbl23_u; // 0x14a
uint32_t lbl24_offset; // 0x14e
uint32_t lbl24_length; // 0x152
uint16_t lbl24_recsize; // 0x156
uint16_t lbl24_u; // 0x158
uint32_t lbl25_offset; // 0x15a
uint32_t lbl25_length; // 0x15e
uint16_t lbl25_recsize; // 0x162
uint32_t lbl25_u; // 0x164
uint32_t lbl26_offset; // 0x168
uint32_t lbl26_length; // 0x16c
uint16_t lbl26_recsize; // 0x170
uint32_t lbl26_u; // 0x172
uint32_t lbl27_offset; // 0x176
uint32_t lbl27_length; // 0x17a
uint16_t lbl27_recsize; // 0x17e
uint32_t lbl27_u; // 0x180
uint32_t lbl28_offset; // 0x184
uint32_t lbl28_length; // 0x188
uint16_t lbl28_recsize; // 0x18c
uint32_t lbl28_u; // 0x18e
uint32_t lbl29_offset; // 0x192
uint32_t lbl29_length; // 0x196
uint32_t lbl30_offset; // 0x19a
uint32_t lbl30_length; // 0x19e
uint16_t lbl30_recsize; // 0x1a2
uint16_t lbl30_u; // 0x1a4
uint32_t lbl31_offset; // 0x1a6
uint32_t lbl31_length; // 0x1aa
uint16_t lbl31_recsize; // 0x1ae
uint16_t lbl31_u; // 0x1b0
uint32_t lbl32_offset; // 0x1b2
uint32_t lbl32_length; // 0x1b6
uint16_t lbl32_recsize; // 0x1ba
uint16_t lbl32_u; // 0x1bc
uint32_t lbl33_offset; // 0x1be
uint32_t lbl33_length; // 0x1c2
uint16_t lbl33_recsize; // 0x1c6
uint16_t lbl33_u; // 0x1c8
uint32_t lbl34_offset; // 0x1ca
uint32_t lbl34_length; // 0x1ce
uint16_t lbl34_recsize; // 0x1d2
uint32_t lbl34_u; // 0x1d4
uint32_t lbl35_offset; // 0x1d8
uint32_t lbl35_length; // 0x1dc
uint16_t lbl35_recsize; // 0x1e0
uint32_t lbl35_u; // 0x1e2
uint32_t lbl36_offset; // 0x1e6
uint32_t lbl36_length; // 0x1ea
uint16_t lbl36_recsize; // 0x1ee
uint16_t lbl36_u; // 0x1f0
} PACK_STRUCT ;
struct garmin_net {
struct garmin_subfile comm;
// NET1 Road definitions
uint32_t net1_offset; ///< 0x00000015 .. 0x00000018
uint32_t net1_length; ///< 0x00000019 .. 0x0000001C
uint8_t net1_shift; ///< 0x0000001D
// Segmented roads
uint32_t net2_offset; ///< 0x0000001E .. 0x00000021
uint32_t net2_length; ///< 0x00000022 .. 0x00000025
uint8_t net2_shift; ///< 0x00000026
// Sorted Roads
uint32_t net3_offset; ///< 0x00000027 .. 0x0000002A
uint32_t net3_length; ///< 0x0000002B .. 0x0000002E
uint16_t net3_recsize; // 0x2f
uint32_t unknown_031; // 0x31
uint16_t unknown_035; // 0x35
/* break */
uint32_t unknown_037; // 0x37
/* break */
uint32_t unknown_03b; // 0x3b
uint32_t unknown_03f; // 0x3f
uint32_t net4_offset; // 0x43
uint32_t net4_length; // 0x47
uint8_t net4_u; // 0x4b
uint32_t net5_offset; // 0x4c
uint32_t net5_length; // 0x50
uint16_t net5_recsize; // 0x54
uint32_t net6_offset; // 0x56
uint32_t net6_length; // 0x5a
uint16_t net6_recsize; // 0x5e
uint32_t unknown_060; // 0x60
} PACK_STRUCT ;
struct garmin_nod
{
struct garmin_subfile comm;
uint32_t nod1_offset; // 0x15
uint32_t nod1_length; // 0x19
uint8_t nod_bits[4]; // 0x1d
uint8_t align; // 0x21
uint8_t unknown_022; // 0x22
uint16_t roadptrsize; // 0x23
uint32_t nod2_offset; // 0x25 Road data
uint32_t nod2_length; // 0x29
uint32_t unknown_02d; // 0x2d
uint32_t nod3_offset; // 0x31 Boundary nodes
uint32_t nod3_length; // 0x35
uint16_t nod3_recsize; // 0x39 {9, a}
uint32_t unknown_03c; // 0x3c {0, 2}
/* break */
uint32_t nod4_offset; // 0x3f
uint32_t nod4_length; // 0x43
uint32_t unknown_047; // 0x47
uint32_t unknown_04b; // 0x4b
uint32_t unknown_04f; // 0x4f
uint32_t unknown_053; // 0x53
uint32_t unknown_057; // 0x57
uint8_t unknown_05b[12]; // 0x5b-0x66
uint32_t nod5_offset; // 0x67
uint32_t nod5_length; // 0x6b
uint16_t nod5_recsize; // 0x6f
uint32_t nod6_offset; // 0x71
uint32_t nod6_length; // 0x75
uint16_t nod6_recsize; // 0x79
uint32_t unknown_07b; // 0x7b
} PACK_STRUCT ;
struct garmin_dem
{
struct garmin_subfile comm;
uint32_t flags; // 0x015
uint16_t zoom_levels; // 0x019
uint32_t reserved0; // 0x01B
uint16_t record_size; // 0x01F
uint32_t points_to_block3; // 0x021
// This may not be present on every map:
uint32_t reserved2; // 0x025
} PACK_STRUCT ;
struct garmin_gmp {
struct garmin_subfile comm;
uint32_t unknown_015;
uint32_t tre_offset;
uint32_t rgn_offset;
uint32_t lbl_offset;
uint32_t net_offset;
uint32_t nod_offset;
uint32_t dem_offset;
uint32_t mar_offset;
} PACK_STRUCT ;
/* http://ati.land.cz/ */
struct garmin_typ
{
struct garmin_subfile comm;
uint16_t codepage; /* offset = 0x15 */
uint32_t point_datoff;
uint32_t point_datsize;
uint32_t line_datoff;
uint32_t line_datsize;
uint32_t polygon_datoff;
uint32_t polygon_datsize;
uint16_t fid;
uint16_t pid;
uint32_t point_arroff;
uint16_t point_arrmod;
uint32_t point_arrsize;
uint32_t line_arroff;
uint16_t line_arrmod;
uint32_t line_arrsize;
uint32_t polygon_arroff;
uint16_t polygon_arrmod;
uint32_t polygon_arrsize;
uint32_t draworder_arroff;
uint16_t draworder_arrmod;
uint32_t draworder_arrsize;
/* possible size limit here*/
uint32_t nt1_arroff; /* offset = 0x5B */
uint16_t nt1_arrmod;
uint32_t nt1_arrsize;
uint8_t nt1_flag;
uint32_t nt1_datoff;
uint32_t nt1_datsize;
/* possible size limit here*/
uint32_t blok0_x; /* offset = 0x6E */
uint32_t blok0_off;
uint32_t blok0_size;
uint32_t blok0_y;
uint32_t blok1_x;
uint32_t blok1_off;
uint32_t blok1_size;
uint32_t blok1_y;
uint32_t blok2_x;
uint32_t blok2_off;
uint32_t blok2_size;
uint16_t unknown_09a;
/* offset = 0x9C */
} PACK_STRUCT ;
#ifdef GT_POSIX
#else
# pragma pack(pop)
#endif
#endif