Ocean Optics NeoFox Engineering Note User Manual
Page 28
NeoFox Communication Interfaces
28 013-20000-010-04-201211
Type 3 Structure Format
Addr
Type
Name
Description
0
uchar
Stx
Start of transmission character. Set to 0x03.
1
uchar
PacketType
Set to 0xDC
2
ushort FrameSize
Set to 5036 (0x13AC)
4
uchar
FrameCount
Number of frames uploaded since the device powered on. This rolls
over after 255. It can be used to determine whether any frames
have been missed.
5
uchar
ProtocolRev
This byte will always be 0x03 when the Data Copy Type is 0x03.
6
uchar
Reserved1
Reserved. Do not depend on this value.
7
uchar
Reserved2
Reserved. Do not depend on this value.
8
ulong
MillisecondCount
Millisecond Count
12
float
fOxygenConverted
Converted Oxygen
16
ulong
uiOxygenUnits
Oxygen Units
20
float
fTau
Tau
24
float
fSelectedTemperature The sensor temperature (converted to a float, in °C or the fixed
temperature depending on the value of the temperature source.
28
uchar
Reserved3
Reserved. Do not depend on this value.
29
uchar
Reserved4
Reserved. Do not depend on this value.
30
uchar
Checksum
Set to the aggregate sum of all previous bytes modulus 256.
31
uchar
Eof
End of transmission character. Set to 0x04