NavCom LAND-PAK Rev.N - Manual (Page 96)

Technical Reference Manual Rev. N
Blk = All; Blu = IOP w/Internal Radio ; Red = IOP & LBM ; Grn = Engine only 94
Response
Record
Usage Command - No
Response - Yes Input: see table above;
Output: reports the current stored file directory
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 7e(hex) U08 1
Length 0xXXXX U16 2
W1 Sub ID 0x01 U08 1
W2 0xff (response) U08 1
W3
Present Date
B15-B9: Years since 1980
B8-B5: Month (1-12)
B4-B0: Day of Month (1-31)
U16 2
W4
Present Time
B15-B11: Hours (0-23)
B10-B5: Minutes (0-59)
B4-B0: Seconds/2 (0-29)
U16 2
File List
W5
Result
B1=1: Requested page out of range
B2=1: This is the final page
B7=1: Memory Mount Failure
U08 1
W6 Number of Directory Entries in This Page U08 1
W7
Page Number
Repeat for Each Directory Entry:
U16 2
W(8+6n)
File Creation Date
B15-B9: since 1980
B8-B5:
B4-B0:
U16
years
month
day
0-65535
1-12
1-31
n+1980
2
W(9+6n)
File Creation Time
B15-B11:
B10-B5:
B4-B0:
U16
hrs
min
sec
0-23
0-59
0-29
n/2
2
W(10+6n)
Last Update Date
B15-B9: since 1980
B8-B5:
B4:B0:
U16
years
month
day
0-65535
1-12
1-31
n+1980
2
W(11+6n)
Last Update Time
B15-B11:
B10-B5:
B4-B0:
U16
hrs
min
sec
0-23
0-59
0-29
n/2
2
W(12+6n) File Attributes U08 1
W(13+6n) Reserved U08 1
W(14+6n) File Size (bytes) U32 4
W(15+6n) File Name (null-terminated string) U08[] 1[]
CKSM Checksum U08 1
ETX 03 (hex) U08 1