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# SPDX-License-Identifier: LGPL-2.1-or-later
# SPDX-FileCopyrightText: 2022 Bartosz Golaszewski <brgl@bgdev.pl>
from . import _ext
from dataclasses import dataclass
from enum import Enum
__all__ = "EdgeEvent"
@dataclass(frozen=True, init=False, repr=False)
class EdgeEvent:
"""
Immutable object containing data about a single edge event.
"""
class Type(Enum):
"""Possible edge event types."""
RISING_EDGE = _ext.EDGE_EVENT_TYPE_RISING
"""Rising edge event."""
FALLING_EDGE = _ext.EDGE_EVENT_TYPE_FALLING
"""Falling edge event."""
event_type: Type
"""Edge event type."""
timestamp_ns: int
"""Timestamp of the event in nanoseconds."""
line_offset: int
"""Offset of the line on which this event was registered."""
global_seqno: int
"""Global sequence number of this event."""
line_seqno: int
"""Event sequence number specific to the concerned line."""
def __init__(
self,
event_type: int,
timestamp_ns: int,
line_offset: int,
global_seqno: int,
line_seqno: int,
):
object.__setattr__(self, "event_type", EdgeEvent.Type(event_type))
object.__setattr__(self, "timestamp_ns", timestamp_ns)
object.__setattr__(self, "line_offset", line_offset)
object.__setattr__(self, "global_seqno", global_seqno)
object.__setattr__(self, "line_seqno", line_seqno)
def __str__(self):
return "<EdgeEvent type={} timestamp_ns={} line_offset={} global_seqno={} line_seqno={}>".format(
self.event_type,
self.timestamp_ns,
self.line_offset,
self.global_seqno,
self.line_seqno,
)
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