from __future__ import annotations import dataclasses import enum import struct from spacepackets.ecss.tc import PacketId, PacketType EXAMPLE_PUS_APID = 0x02 EXAMPLE_PUS_PACKET_ID_TM = PacketId(PacketType.TM, True, EXAMPLE_PUS_APID) TM_PACKET_IDS = [EXAMPLE_PUS_PACKET_ID_TM] class EventSeverity(enum.IntEnum): INFO = 0 LOW = 1 MEDIUM = 2 HIGH = 3 @dataclasses.dataclass class EventU32: severity: EventSeverity group_id: int unique_id: int @classmethod def unpack(cls, data: bytes) -> EventU32: if len(data) < 4: raise ValueError("passed data too short") event_raw = struct.unpack("!I", data[0:4])[0] return cls( severity=EventSeverity((event_raw >> 30) & 0b11), group_id=(event_raw >> 16) & 0x3FFF, unique_id=event_raw & 0xFFFF, ) class RequestTargetId(enum.IntEnum): ACS = 1 class AcsHkIds(enum.IntEnum): MGM_SET = 1 def make_addressable_id(target_id: int, unique_id: int) -> bytes: byte_string = bytearray(struct.pack("!I", target_id)) byte_string.extend(struct.pack("!I", unique_id)) return byte_string