spacepackets 0.5.4

Various CCSDS and ECSS packet implementations

ECSS and CCSDS Spacepackets

This package contains generic implementations for various CCSDS (Consultative Committee for Space Data Systems) and ECSS (European Cooperation for Space Standardization) packet standards.

Currently, this includes the following components:

• Space Packet implementation according to CCSDS Blue Book 133.0-B-2
• PUS Telecommand and PUS Telemetry implementation according to the ECSS-E-ST-70-41C standard. It supports PUS A as well.
• CCSDS File Delivery Protcol (CFDP) packet implementations according to CCSDS Blue Book 727.0-B-5.

Install

You can install this package from PyPI

Linux:

python3 -m pip install spacepackets

Windows:

py -m pip install spacepackets

Examples

You can find all examples listed here in the example folder as well.

ECSS PUS Packets

This examples shows how to generate PUS packets using the PUS ping telecommand and a PUS ping telemetry reply.

from spacepackets.ecss.tc import PusTelecommand
from spacepackets.ecss.tm import PusTelemetry
from spacepackets.util import get_printable_data_string, PrintFormats


def main():
  ping_cmd = PusTelecommand(
    service=17,
    subservice=1,
    apid=0x01
  )
  cmd_as_bytes = ping_cmd.pack()
  print_string = get_printable_data_string(print_format=PrintFormats.HEX, data=cmd_as_bytes)
  print(f'Ping telecommand [17,1]: {print_string}')

  ping_reply = PusTelemetry(
    service=17,
    subservice=2,
    apid=0x01
  )
  tm_as_bytes = ping_reply.pack()
  print_string = get_printable_data_string(print_format=PrintFormats.HEX, data=tm_as_bytes)
  print(f'Ping reply [17,2]: {print_string}')


if __name__ == "__main__":
  main()

CCSDS Space Packet

This example shows how to generate a space packet header

from spacepackets.ccsds.spacepacket import SpacePacketHeader, PacketTypes
from spacepackets.util import get_printable_data_string, PrintFormats


def main():
    spacepacket_header = SpacePacketHeader(
        packet_type=PacketTypes.TC,
        apid=0x01,
        source_sequence_count=0,
        data_length=0
    )
    header_as_bytes = spacepacket_header.pack()
    print_string = get_printable_data_string(print_format=PrintFormats.HEX, data=header_as_bytes)
    print(f'Space packet header: {print_string}')


if __name__ == "__main__":
    main()

License

Copyright 2019-2021 Robin Mueller, Institute of Space Systems Stuttgart, KSat e.V. Stuttgart

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.