# Consultative Committee for Space Data Systems (CCSDS) Space Packet Defenition
# Primary Header + Raw Payload
# Ref: https://public.ccsds.org/Pubs/133x0b2e1.pdfa
#
# Example Packet:
# [0xe0, 0xa1, 0xc0, 0x00, 0x05, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05]

[[formats]]
name = "ccsds"

[[formats.fields]]
name = "Version Number"
field_type = {type = "UInt", bit_width = 3}

[[formats.fields]]
name = "Packet Type"
field_type = {type = "UInt", bit_width = 1}

[[formats.fields]]
name = "Secondary Header Flag"
field_type = {type = "UInt", bit_width = 1}

[[formats.fields]]
name = "APID"
field_type = {type = "UInt", bit_width = 11}

[[formats.fields]]
name = "Sequency Flags"
field_type = {type = "UInt", bit_width = 2}

[[formats.fields]]
name = "Packet Sequence Count"
field_type = {type = "UInt", bit_width = 14}

[[formats.fields]]
name = "Data Length"
field_type = {type = "UInt", bit_width = 16}

[[formats.fields]]
name = "Data"
# Allow payloads up to the max size that can be specfied in "Data Length"
field_type = {type = "Bytes", max_len = 65535}