u-blox ZED-F9P Interface Description - Manual
Advance Information
5.9.5 UBX-CFG-DYNSEED (0x06 0x85)
5.9.5.1 Programming the dynamic seed for the host interface signature
Message
UBX-CFG-DYNSEED
Description
Programming the dynamic seed for the host interface signature
Firmware
Supported on:
•
u-blox 9 with protocol version 27
Type
Set
Comment
The message can be used to program the dynamic seed for the host interface signature. If
successfully configured, the message will answer with ACK, otherwise with NAK. Before
the first programming, it is assumed that the dynamic seed is all '0'.
Header
Class
ID
Length (Bytes)
Payload
Checksum
Message Structure
0xB5 0x62
0x06 0x85 12
see below
CK_A CK_B
Payload Contents:
Byte Offset
Number
Format
Scaling
Name
Unit
Description
0
U1
-
version
-
Message version (0x01 for this version)
1
U1[3]
-
reserved1
-
4
U4
-
seedHi
-
high word of dynamic seed
8
U4
-
seedLo
-
low word of dynamic seed
5.9.6 UBX-CFG-FIXSEED (0x06 0x84)
5.9.6.1 Programming the fixed seed for host interface signature
Message
UBX-CFG-FIXSEED
Description
Programming the fixed seed for host interface signature
Firmware
Supported on:
•
u-blox 9 with protocol version 27
Type
Set
Comment
The message can be used to program the fixed seed for the host interface signature.
Moreover it will configure the set of messages that will be signed (min. 1, max. 10). If the
class ID of the message is 0 the configuration is ignored for that message. If successfully
configured, the message will answer with ACK, otherwise with NAK.
Header
Class
ID
Length (Bytes)
Payload
Checksum
Message Structure
0xB5 0x62
0x06 0x84 12 + 2*length
see below
CK_A CK_B
Payload Contents:
Byte Offset
Number
Format
Scaling
Name
Unit
Description
0
U1
-
version
-
Message version (0x02 for this version)
1
U1
-
length
-
Number of registered messages (min. 1, max.
10)
2
U1[2]
-
reserved1
-
4
U4
-
seedHi
-
high word of fixed seed
8
U4
-
seedLo
-
low word of fixed seed
Start of repeated block (length times)
12 + 2*N
U1
-
classId
-
Class ID on the message
13 + 2*N
U1
-
msgId
-
Message ID on the message
UBX-18010854 - R04
Advance Information
Page 44 of 259
