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CmdHeader - Telemetry Struct


"CCSDS telecommand header" (SVC/ITC)

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Definition:

    Alignment:2-byte boundary
    APID:720/0x2D0
    Attribute(s):
    Length: 64 bits (8 bytes)

Description:

    CCSDS telecommand header

Layout: (show detail; help)

CCSDS telecommand header (CmdHeader)
Telemetry Field Format
0x 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
000 Hdr0 hdr0
002 Hdr1 hdr1
004 Cmd_len cmd_len
006 Hdr3 hdr3

Fields:

      Attribute(s):  

      Brief:  "CCSDS telecommand packet length"

      Instance(s):  cmd_len

      CCSDS packet length (CCSDS definition, which is a little wierd).

      Attribute(s):  

      Brief:  "CCSDS telecommand header (bytes 0-1)"

      Instance(s):  hdr0

      Bitfields for the bytes 0-1 of a standard CCSDS telecommand header

      Attribute(s):  

      Brief:  "CCSDS telecommand header (bytes 2-3)"

      Instance(s):  hdr1

      Bitfileds for bytes 2-3 of a standard CCSDS telecommand header

      Attribute(s):  

      Brief:  "CCSDS telecommand header (bytes 6-7)"

      Instance(s):  hdr3

      Bitfields for bytes 6-7 of a standard CCSDS telecommand header, where a two-byte secondary header containing a function code has been defined.

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