carrot/selfdrive/controls/lib/alertmanager.py
Vehicle Researcher d64fb1838d openpilot v0.9.7 release
date: 2024-06-11T01:36:39
master commit: f8cb04e4a8b032b72a909f68b808a50936184bee
2024-06-11 16:32:27 -07:00

62 lines
1.8 KiB
Python

import copy
import os
import json
from collections import defaultdict
from dataclasses import dataclass
from openpilot.common.basedir import BASEDIR
from openpilot.common.params import Params
from openpilot.selfdrive.controls.lib.events import Alert
with open(os.path.join(BASEDIR, "selfdrive/controls/lib/alerts_offroad.json")) as f:
OFFROAD_ALERTS = json.load(f)
def set_offroad_alert(alert: str, show_alert: bool, extra_text: str = None) -> None:
if show_alert:
a = copy.copy(OFFROAD_ALERTS[alert])
a['extra'] = extra_text or ''
Params().put(alert, json.dumps(a))
else:
Params().remove(alert)
@dataclass
class AlertEntry:
alert: Alert | None = None
start_frame: int = -1
end_frame: int = -1
def active(self, frame: int) -> bool:
return frame <= self.end_frame
class AlertManager:
def __init__(self):
self.alerts: dict[str, AlertEntry] = defaultdict(AlertEntry)
def add_many(self, frame: int, alerts: list[Alert]) -> None:
for alert in alerts:
entry = self.alerts[alert.alert_type]
entry.alert = alert
if not entry.active(frame):
entry.start_frame = frame
min_end_frame = entry.start_frame + alert.duration
entry.end_frame = max(frame + 1, min_end_frame)
def process_alerts(self, frame: int, clear_event_types: set) -> Alert | None:
current_alert = AlertEntry()
for v in self.alerts.values():
if not v.alert:
continue
if v.alert.event_type in clear_event_types:
v.end_frame = -1
# sort by priority first and then by start_frame
greater = current_alert.alert is None or (v.alert.priority, v.start_frame) > (current_alert.alert.priority, current_alert.start_frame)
if v.active(frame) and greater:
current_alert = v
return current_alert.alert