52 lines
1.0 KiB
Python
52 lines
1.0 KiB
Python
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from __future__ import annotations
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import dataclasses
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import enum
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import struct
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class Apid(enum.IntEnum):
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SCHED = 1
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GENERIC_PUS = 2
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ACS = 3
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CFDP = 4
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class EventSeverity(enum.IntEnum):
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INFO = 0
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LOW = 1
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MEDIUM = 2
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HIGH = 3
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@dataclasses.dataclass
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class EventU32:
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severity: EventSeverity
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group_id: int
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unique_id: int
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@classmethod
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def unpack(cls, data: bytes) -> EventU32:
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if len(data) < 4:
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raise ValueError("passed data too short")
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event_raw = struct.unpack("!I", data[0:4])[0]
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return cls(
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severity=EventSeverity((event_raw >> 30) & 0b11),
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group_id=(event_raw >> 16) & 0x3FFF,
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unique_id=event_raw & 0xFFFF,
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)
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class AcsId(enum.IntEnum):
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MGM_0 = 0
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class AcsHkIds(enum.IntEnum):
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MGM_SET = 1
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def make_addressable_id(target_id: int, unique_id: int) -> bytes:
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byte_string = bytearray(struct.pack("!I", target_id))
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byte_string.extend(struct.pack("!I", unique_id))
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return byte_string
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