Packet last_frame_packet

Uncompressed frame, last frame data packet structure

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Summary of Packet Fields

The packets of type last_frame_packet contain the following fields:

Name	DataType	BitLength	BitOffset	ByteOrder
Instrument SCLK Time secondTime tag, J2000 (seconds)	uint	32	0	big
Instrument SCLK Time subsecFractional time (1/216 seconds)	uint	16	32	big
Accountability IDAccountability ID	uint	32	48	big
Data	uint[]	16	80	big
Time (MS)	uint	32	96	big
Time (LS)	uint	32	128	big
Pad	fill	80	160	big
PEC (CRC-16-CCITT)Packet Error Control field, using CRC-16-CCITT algorithm	uint	16	240	big

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Packet Field Details

Here follows the detailed description of the packet fields.

Instrument SCLK Time second

Time tag, J2000 (seconds)

DataType	uint
BitLength	32
BitOffset	0
ByteOrder	big

Instrument SCLK Time subsec

Fractional time (1/216 seconds)

DataType	uint
BitLength	16
BitOffset	32
ByteOrder	big

Accountability ID

Accountability ID

DataType	uint
BitLength	32
BitOffset	48
ByteOrder	big

Data

DataType	uint[]
BitLength	16
BitOffset	80
ByteOrder	big
ArrayShape	expand
ArrayOrder	C

Time (MS)

DataType	uint
BitLength	32
BitOffset	96
ByteOrder	big

Time (LS)

DataType	uint
BitLength	32
BitOffset	128
ByteOrder	big

Pad

DataType	fill
BitLength	80
BitOffset	160
ByteOrder	big

PEC (CRC-16-CCITT)

Packet Error Control field, using CRC-16-CCITT algorithm

DataType	uint
BitLength	16
BitOffset	240
ByteOrder	big