System Packets

Acknowledge Packet

Acknowledgement Packet
Packet ID 0
Length 4
Read / Write Read
Field # Bytes Offset Data Type Size Description
1 0 u8 1 Packet ID being acknowledged
2 1 u16 2 CRC of packet being acknowledged
3 3 u8 1 Acknowledge Result

Acknowledge Packet

Acknowledge Result

Value Description
0 Acknowledge success
1 Acknowledge failure, CRC error
2 Acknowledge failure, packet size incorrect
3 Acknowledge failure, values outside of valid ranges
4 Acknowledge failure, system flash memory failure
5 Acknowledge failure, system not ready
6 Acknowledge failure, unknown packet

Acknowledge Result

Request Packet

Request Packet
Packet ID 1
Length 1 x number of packets requested
Read / Write Write
Field # Bytes Offset Data Type Size Description
1 0 u8 1 Packet ID requested
+       Field 1 repeats for additional packet requests

Request Packet

Boot Mode Packet

Boot Mode Packet
Packet ID 2
Length 1
Read / Write Read / Write
Field # Bytes Offset Data Type Size Description
1 0 u8 1 Boot Mode Types

Boot Mode Packet

Boot Mode Types

Value Description
0 Bootloader
1 Main Program

Boot Mode Types

Device Information Packet

Device Information Packet
Packet ID 3
Length 24
Read / Write Read
Field # Bytes Offset Data Type Size Description
1 0 u32 4 Software version
2 4 u32 4 Device ID
3 8 u32 4 Hardware revision
4 12 u32 4 Boreas Serial number part 1
5 16 u32 4 Boreas Serial number part 2
6 20 u32 4 Boreas Serial number part 3

Device Information Packet

Device ID

Value Description
1 Spatial
4 Spatial FOG
5 Spatial Dual
11 Orientus (>v3)
13 Air Data Unit
14 Subsonus
16 Spatial FOG Dual
17 Motus
19 GNSS Compass
21 Subsonus Tag
22 Poseidon
26 Certus
28 Boreas D90
41 Boreas D70
43 Boreas A90
44 Boreas A70
49 Certus Mini A
50 Certus Mini N
51 Certus Mini D

Device IDs

Restore Factory Settings Packet

Note: A Factory Reset will re-enable the DHCP Client and lose any static IP address settings.

Restore Factory Settings Packet
Packet ID 4
Length 4
Read / Write Write
Field # Bytes Offset Data Type Size Description
1 0 u32 4 Verification sequence (set to 0x85429E1C)

Restore Factory Settings Packet

Reset Packet

Reset Packet
Packet ID 5
Length 4
Read / Write Write
Field # Bytes Offset Data Type Size Description
1 0 u32 4 Verification Sequence Values

Reset Packet

Verification Sequence Values

Value Description
0x21057A7E Standard hot start reset
0x9A5D38B7 Cold start reset

Verification Sequence Values

Serial Port Passthrough Packet

Serial Port Passthrough Packet
Packet ID 10
Length Variable, up to 255 bytes
Read / Write Read / Write
Field # Bytes Offset Data Type Size Description
1 0 u8 1 Passthrough Route
2 1     Passthrough Data

Serial Port Passthrough Packet

Passthrough Route

Value Description
1 GPIO 1 and 2
2 Auxiliary

Passthrough Route

IP Configuration Packet

IP Configuration Packet
Packet ID 11
Length 30
Read / Write Read / Write
Field # Bytes Offset Data Type Size Description
1 0 u8 1 Permanent
2 1 u8 1 DHCP Mode
3 2 u32 4 IP Address
4 6 u32 4 IP Netmask
5 10 u32 4 IP Gateway
6 14 u32 4 DNS Server
7 18 u32 4 Boreas Serial number part 1
8 22 u32 4 Boreas Serial number part 2
9 26 u32 4 Boreas Serial number part 3

IP Configuration Packet

DHCP Mode

Bit Description
0 DHCP Enabled
1 Automatic DNS
2-4 Link Mode. See Link Mode Index
5-7 Reserved (set to zero)

DHCP Mode

Link Mode Index

Value Bit 4 Bit 3 Bit 2 Description
0 0 0 0 Auto

Link Mode Index

Discovery Network Setting Overwrite

Settings 7,8 and 9 are optional over standard network interfaces but required to overwrite settings over multi-cast discovery. To overwrite network settings for a device over multi-cast send this packet to address 239.48.81.7 port 48817, the serial number must be set to the serial number of the device you want to overwrite settings for.

Subcomponent Information Packet

Only Advanced Navigation sub-components will be shown here, for GNSS Receiver see GNSS Receiver Information Packet

Subcomponent Information Packet
Packet ID 14
Length 24 x number of subcomponents
Read / Write Read
Field # Bytes Offset Data Type Size Description
1 0 u32 4 Subcomponent Software version
2 4 u32 4 Subcomponent Device ID
3 8 u32 4 Subcomponent Hardware Revision
4 12 u32[3] 12 Subcomponent Serial Number
Fields 1-4 repeat for additional subcomponents

Subcomponent Information Packet

Subcomponent Device ID

Value Description
5 Spatial MEMS IMU
17 Evo MEMS IMU
27 Aries

Subcomponent Device IDs