11.3 System Packets
11.3.1 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 11.3.1.1 Acknowledge Result
Table 41: Acknowledge Packet
11.3.1.1 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
Table 42: Acknowledge Result
11.3.2 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
Table 43: Request Packet
v1.2 Page 114 11 Oct 2022
Boreas Reference Manual • Advanced Navigation Packet Protocol