opengnc.ops.ground_segment package

Submodules

opengnc.ops.ground_segment.ccsds module

CCSDS Space Packet Protocol (Blue Book 133.0-B-2) and time code formats.

class opengnc.ops.ground_segment.ccsds.CUC[source]

Bases: object

SIZE = 6

static pack(t: float | None = None) → bytes[source]

static unpack(data: bytes) → float[source]

class opengnc.ops.ground_segment.ccsds.PacketType(value)[source]

Bases: IntEnum

TELECOMMAND = 1

TELEMETRY = 0

class opengnc.ops.ground_segment.ccsds.SequenceFlags(value)[source]

Bases: IntEnum

CONTINUATION = 0

FIRST = 1

LAST = 2

UNSEGMENTED = 3

class opengnc.ops.ground_segment.ccsds.SpacePacket(apid: int, packet_type: PacketType = PacketType.TELEMETRY, sec_header_flag: bool = False, seq_flags: SequenceFlags = SequenceFlags.UNSEGMENTED, seq_count: int = 0, data: bytes = b'')[source]

Bases: object

HEADER_SIZE = 6

property data_length_field: int

pack() → bytes[source]

classmethod unpack(buffer: bytes) → SpacePacket[source]

opengnc.ops.ground_segment.decom module

Telemetry de-commutation engine.

class opengnc.ops.ground_segment.decom.DecomEngine(fields: list[TelemetryField])[source]

Bases: object

TYPE_SIZES = {'B': 1, 'H': 2, 'I': 4, 'Q': 8, 'b': 1, 'd': 8, 'f': 4, 'h': 2, 'i': 4, 'q': 8}

decommutate(payload: bytes) → dict[str, Any][source]

classmethod from_dict(config: list[dict[str, Any]]) → DecomEngine[source]

class opengnc.ops.ground_segment.decom.TelemetryField(name: 'str', data_type: 'str', offset: 'int', scale: 'float' = 1.0, offset_val: 'float' = 0.0)[source]

Bases: object

data_type: str

name: str

offset: int

offset_val: float = 0.0

scale: float = 1.0

Module contents

Ground segment operations helpers.

class opengnc.ops.ground_segment.CUC[source]

Bases: object

SIZE = 6

static pack(t: float | None = None) → bytes[source]

static unpack(data: bytes) → float[source]

class opengnc.ops.ground_segment.DecomEngine(fields: list[TelemetryField])[source]

Bases: object

TYPE_SIZES = {'B': 1, 'H': 2, 'I': 4, 'Q': 8, 'b': 1, 'd': 8, 'f': 4, 'h': 2, 'i': 4, 'q': 8}

decommutate(payload: bytes) → dict[str, Any][source]

classmethod from_dict(config: list[dict[str, Any]]) → DecomEngine[source]

class opengnc.ops.ground_segment.PacketType(value)[source]

Bases: IntEnum

TELECOMMAND = 1

TELEMETRY = 0

class opengnc.ops.ground_segment.SequenceFlags(value)[source]

Bases: IntEnum

CONTINUATION = 0

FIRST = 1

LAST = 2

UNSEGMENTED = 3

class opengnc.ops.ground_segment.SpacePacket(apid: int, packet_type: PacketType = PacketType.TELEMETRY, sec_header_flag: bool = False, seq_flags: SequenceFlags = SequenceFlags.UNSEGMENTED, seq_count: int = 0, data: bytes = b'')[source]

Bases: object

HEADER_SIZE = 6

property data_length_field: int

pack() → bytes[source]

classmethod unpack(buffer: bytes) → SpacePacket[source]

class opengnc.ops.ground_segment.TelemetryField(name: 'str', data_type: 'str', offset: 'int', scale: 'float' = 1.0, offset_val: 'float' = 0.0)[source]

Bases: object

data_type: str

name: str

offset: int

offset_val: float = 0.0

scale: float = 1.0