GNSS Compass Reference Manual
Page 75 of 85
Version 1.1
13/01/2021
10.11.1.1
Flags
Bit
Description
0
Permanent
1-3
Port
4
Port field valid
5-7
Reserved
8
Clear existing packet periods, see section 10.11.1.2
9-15
Reserved
Table 91: Packet periods flags
10.11.1.2
Clear Existing Packets
This is a boolean field, when set to one it deletes any existing packet rates. When set to zero
existing packet rates remain. Only one packet rate can exist per packet ID, so new packet rates will
overwrite existing packet rates for the same packet ID.
10.11.1.3
Packet Period
This indicates the period in milliseconds. The packet rate can be calculated as follows.
Packet Rate = 1000/(Packet Period) Hz
For example setting packet ID 20 with a packet period of 50 will give the following.
Packet 20 Rate = 1000/(50)
Packet 20 Rate = 20 Hz
10.11.2
Baud Rates Packet
Baud Rates Packet
Packet ID
182
Length
17
Field #
Bytes
Offset
Data
Type
Size
Description
1
0
u8
1
Permanent
2
1
u32
4
Primary serial port baud rate (1200 to 1000000)
3
5
u32
4
Secondary serial port Baud Rate (1200 to 1000000)
4
9
8
Reserved (set to zero)
Table 92: Baud rates packet
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