NavCom LAND-PAK Rev.N User Manual
Page 94
Technical Reference Manual Rev. N
Blk = All;
Blu = IOP w/Internal Radio
;
Red = IOP & LBM
;
Grn = Engine only
92
Request
Record
Usage
Command - Yes
Response - No
Input: request IOP MMC status (data logging memory);
Output: see table below
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
SubID 0x00
U08
1
W2
0x00 (request)
U08
1
CKSM Checksum
U08
1
ETX
03
(hex)
U08
1
Response
Record
Usage
Command - No
Response - Yes
Input: see table above;
Output: reports IOP data logging memory status
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 0x00
U08
1
W2
0xff (response)
U08
1
W3
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
W4
Time
B15-B11: Hours
B10:B5: Minutes
B4-B0: Seconds
U16
hrs
min
sec
0-23
0-59
0-29
n/2
2
W5
Status Bits
B7: Memory Mount Failure
B6: Memory Mounted
B5: File Open For Write
B4: File Open For Read
B3-B1: Reserved
B0: MMC Hardware Available
U08
1
W6
Reserved
U08
1
W7
Memory Size (bytes, including
used and unused storage)
U32
4
W8
Memory Free Space (bytes)
U32
4
CKSM Checksum
U08
1
ETX
03
(hex)
U08
1