NavCom LAND-PAK Rev.N - Manual (Page 109)

Technical Reference Manual Rev. N
Blk = All; Blu = IOP w/Internal Radio ; Red = IOP & LBM ; Grn = Engine only
107
0x7f - MMC File Dump Block
The file is dumped in 512 byte sectors as described below. The first “Sector” and Last “Sector”
are special blocks that contain file information.
Sequence 0x00000000
Record
Usage Command -
Response - Input:
Output:
Ref Message Field Description Data Type Units Range Scale
Byte
Count
STX 02 (hex) U08 1
PRA1 99 (hex) U08 1
PRA2 66 (hex) U08 1
ID 0x7f U08 1
Length 0x0212 (Max Length 530 bytes) U16 2
W1 Data Channel U08 1
W2 Spare U08 1
W3
Sequence Count
0x00000000
U32 4
W4 File Size U32 bytes 4
W5
Creation Date
B15-B9: Years since 1980
B8-B5: Month
B4:B0: Day of Month
U16
years
month
day
0-65535
1-12
1-31
n+1980
2
W6
Creation Time
B15-B11: Hours
B10:B5: Minutes
B4-B0: Seconds
U16
hrs
min
sec
0-23
0-59
0-29
n/2
2
W7
Modification Date
B15-B9: Years since 1980
B8-B5: Month
B4:B0: Day of Month
U16
years
month
day
0-65535
1-12
1-31
n+1980
2
W8
Modification Time
B15-B11: Hours
B10:B5: Minutes
B4-B0: Seconds
U16
hrs
min
sec
0-23
0-59
0-29
n/2
2
W9 File Attributes U16 2
W10
Access Date
B15-B9: Years since 1980
B8-B5: Month
B4:B0: Day of Month
U16
years
month
day
0-65535
1-12
1-31
n+1980
2
W11 File Name (Null Terminated String) U08[] 1[]
CKSM Checksum U08 1
ETX 03 (hex) U08 1