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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
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