Advanced Navigation GNSS Compass, Reference Manual

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10 Advanced Navigation Packet Protocol
The Advanced Navigation Packet Protocol (ANPP) is a binary protocol designed with high error checking, high
efficiency and safe design practices. It has a well defined specification and is very flexible. It is used across all
Advanced Navigation products. A packet type can be identified by its unique Packet ID. For more information
about packets, see
10.1 About Packets .
The following packet types are available:
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10.3 System Packets - These packets have ID values of less than 20.
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10.4 State Packets - These packets have ID values between 20 and 179.
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10.5 Configuration Packets - These packets have IDs greater than 179.
The following table lists Advanced Navigation packets by type.
Packet
ID Name Length R/W
System Packets
0 10.3.1 Acknowledge Packet 4 R
1 10.3.2 Request Packet - W
2 10.3.3 Boot Mode Packet 1 R/W
3 10.3.4 Device Information
Packet 24 R
4 10.3.5 Restore Factory Set-
tings Packet 4 W
5 10.3.6 Reset Packet 4 W
10 10.3.7 Serial Port
Passthrough Packet - R/W
11 10.3.8 IP Configuration
Packet 30 R/W
Packet
ID Name Length R/W
State Packets
20 10.4.1 System
State Packet 100 R
21 10.4.2 Unix Time
Packet 8 R
22 10.4.3 Formatted
Time Packet 14 R
23 10.4.4 Status
Packet 4 R
24 10.4.5 Position
Standard Devi-
ation Packet 12 R
v2.0 Page 70 04 Nov 2021
GNSS Compass Reference Manual • Advanced Navigation Packet Protocol