NavCom LAND-PAK Rev.N - Manual (Page 104)

Technical Reference Manual Rev. N
Blk = All; Blu = IOP w/Internal Radio ; Red = IOP & LBM ; Grn = Engine only 102
W3 B7 is only used by IOP to send resume logging command to Starlight. Normal user
operation should set B7 to 0.
Request
Record
Usage Command - Yes
Response - No Input: Resume data logging after power failure request;
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 Sub ID 0x07 U08 1
W2 0x00 (request) U08 1
W3
Control
B7=1: Resume logging after power failure
0: Don’t’ resume logging after power failure
B6-B1: Spare
B0=1: Append to File
0: Open New File
U08 1
W4 Spare U08 1
W5 Filename – Null Terminated String U08[] 1[]
CKSM Checksum U08 1
ETX 03 (hex) U08 1
Response
Record
Usage Command - No
Response - Yes Input: see table above;
Output: reports the failure mode of the appended or resumed file
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 0x07 U08 1
W2 0xff (response) U08 1
W3
Result
B7=1: Memory Mount Failure
B6-B4: Spare
B3=1: File already exists
B2=1: File Open Failed
B1=1: Illegal file name
B0=1: Append Failed
if W3 = 0, rest of the bytes appear
U08 1
W4 Reserved U08 1
W5 Reserved U16 2
W6 Filename – Null Terminated String U08[] 1[]
CKSM Checksum U08 1
ETX 03 (hex) U08 1
0x08 – Open File for Reading