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431 lines
18 KiB
431 lines
18 KiB
#!/usr/bin/env python3
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import datetime
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import os
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import time
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from typing import Dict, Optional, Tuple
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import psutil
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from smbus2 import SMBus
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import cereal.messaging as messaging
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from cereal import log
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from common.filter_simple import FirstOrderFilter
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from common.numpy_fast import clip, interp
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from common.params import Params
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from common.realtime import DT_TRML, sec_since_boot
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from selfdrive.controls.lib.alertmanager import set_offroad_alert
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from selfdrive.hardware import EON, TICI, HARDWARE
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from selfdrive.loggerd.config import get_available_percent
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from selfdrive.pandad import get_expected_signature
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from selfdrive.swaglog import cloudlog
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from selfdrive.thermald.power_monitoring import PowerMonitoring
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from selfdrive.version import get_git_branch, terms_version, training_version
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FW_SIGNATURE = get_expected_signature()
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DISABLE_LTE_ONROAD = os.path.exists("/persist/disable_lte_onroad")
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ThermalStatus = log.DeviceState.ThermalStatus
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NetworkType = log.DeviceState.NetworkType
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NetworkStrength = log.DeviceState.NetworkStrength
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CURRENT_TAU = 15. # 15s time constant
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CPU_TEMP_TAU = 5. # 5s time constant
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DAYS_NO_CONNECTIVITY_MAX = 7 # do not allow to engage after a week without internet
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DAYS_NO_CONNECTIVITY_PROMPT = 4 # send an offroad prompt after 4 days with no internet
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DISCONNECT_TIMEOUT = 5. # wait 5 seconds before going offroad after disconnect so you get an alert
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prev_offroad_states: Dict[str, Tuple[bool, Optional[str]]] = {}
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LEON = False
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last_eon_fan_val = None
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def read_tz(x):
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if x is None:
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return 0
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try:
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with open(f"/sys/devices/virtual/thermal/thermal_zone{x}/temp") as f:
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return int(f.read())
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except FileNotFoundError:
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return 0
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def read_thermal(thermal_config):
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dat = messaging.new_message('deviceState')
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dat.deviceState.cpuTempC = [read_tz(z) / thermal_config.cpu[1] for z in thermal_config.cpu[0]]
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dat.deviceState.gpuTempC = [read_tz(z) / thermal_config.gpu[1] for z in thermal_config.gpu[0]]
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dat.deviceState.memoryTempC = read_tz(thermal_config.mem[0]) / thermal_config.mem[1]
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dat.deviceState.ambientTempC = read_tz(thermal_config.ambient[0]) / thermal_config.ambient[1]
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dat.deviceState.batteryTempC = read_tz(thermal_config.bat[0]) / thermal_config.bat[1]
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return dat
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def setup_eon_fan():
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global LEON
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os.system("echo 2 > /sys/module/dwc3_msm/parameters/otg_switch")
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bus = SMBus(7, force=True)
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try:
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bus.write_byte_data(0x21, 0x10, 0xf) # mask all interrupts
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bus.write_byte_data(0x21, 0x03, 0x1) # set drive current and global interrupt disable
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bus.write_byte_data(0x21, 0x02, 0x2) # needed?
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bus.write_byte_data(0x21, 0x04, 0x4) # manual override source
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except IOError:
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print("LEON detected")
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LEON = True
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bus.close()
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def set_eon_fan(val):
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global LEON, last_eon_fan_val
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if last_eon_fan_val is None or last_eon_fan_val != val:
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bus = SMBus(7, force=True)
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if LEON:
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try:
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i = [0x1, 0x3 | 0, 0x3 | 0x08, 0x3 | 0x10][val]
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bus.write_i2c_block_data(0x3d, 0, [i])
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except IOError:
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# tusb320
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if val == 0:
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bus.write_i2c_block_data(0x67, 0xa, [0])
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#bus.write_i2c_block_data(0x67, 0x45, [1<<2])
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else:
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#bus.write_i2c_block_data(0x67, 0x45, [0])
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bus.write_i2c_block_data(0x67, 0xa, [0x20])
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bus.write_i2c_block_data(0x67, 0x8, [(val - 1) << 6])
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else:
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bus.write_byte_data(0x21, 0x04, 0x2)
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bus.write_byte_data(0x21, 0x03, (val*2)+1)
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bus.write_byte_data(0x21, 0x04, 0x4)
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bus.close()
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last_eon_fan_val = val
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# temp thresholds to control fan speed - high hysteresis
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_TEMP_THRS_H = [50., 65., 80., 10000]
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# temp thresholds to control fan speed - low hysteresis
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_TEMP_THRS_L = [42.5, 57.5, 72.5, 10000]
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# fan speed options
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_FAN_SPEEDS = [0, 16384, 32768, 65535]
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# max fan speed only allowed if battery is hot
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_BAT_TEMP_THRESHOLD = 45.
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def handle_fan_eon(max_cpu_temp, bat_temp, fan_speed, ignition):
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new_speed_h = next(speed for speed, temp_h in zip(_FAN_SPEEDS, _TEMP_THRS_H) if temp_h > max_cpu_temp)
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new_speed_l = next(speed for speed, temp_l in zip(_FAN_SPEEDS, _TEMP_THRS_L) if temp_l > max_cpu_temp)
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if new_speed_h > fan_speed:
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# update speed if using the high thresholds results in fan speed increment
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fan_speed = new_speed_h
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elif new_speed_l < fan_speed:
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# update speed if using the low thresholds results in fan speed decrement
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fan_speed = new_speed_l
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if bat_temp < _BAT_TEMP_THRESHOLD:
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# no max fan speed unless battery is hot
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fan_speed = min(fan_speed, _FAN_SPEEDS[-2])
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set_eon_fan(fan_speed // 16384)
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return fan_speed
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def handle_fan_uno(max_cpu_temp, bat_temp, fan_speed, ignition):
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new_speed = int(interp(max_cpu_temp, [40.0, 80.0], [0, 80]))
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if not ignition:
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new_speed = min(30, new_speed)
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return new_speed
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def set_offroad_alert_if_changed(offroad_alert: str, show_alert: bool, extra_text: Optional[str]=None):
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if prev_offroad_states.get(offroad_alert, None) == (show_alert, extra_text):
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return
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prev_offroad_states[offroad_alert] = (show_alert, extra_text)
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set_offroad_alert(offroad_alert, show_alert, extra_text)
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def thermald_thread():
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pm = messaging.PubMaster(['deviceState'])
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pandaState_timeout = int(1000 * 2.5 * DT_TRML) # 2.5x the expected pandaState frequency
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pandaState_sock = messaging.sub_sock('pandaState', timeout=pandaState_timeout)
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location_sock = messaging.sub_sock('gpsLocationExternal')
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managerState_sock = messaging.sub_sock('managerState', conflate=True)
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fan_speed = 0
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count = 0
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startup_conditions = {
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"ignition": False,
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}
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startup_conditions_prev = startup_conditions.copy()
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off_ts = None
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started_ts = None
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started_seen = False
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thermal_status = ThermalStatus.green
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usb_power = True
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current_branch = get_git_branch()
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network_type = NetworkType.none
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network_strength = NetworkStrength.unknown
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current_filter = FirstOrderFilter(0., CURRENT_TAU, DT_TRML)
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cpu_temp_filter = FirstOrderFilter(0., CPU_TEMP_TAU, DT_TRML)
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pandaState_prev = None
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should_start_prev = False
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handle_fan = None
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is_uno = False
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ui_running_prev = False
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params = Params()
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power_monitor = PowerMonitoring()
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no_panda_cnt = 0
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thermal_config = HARDWARE.get_thermal_config()
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while 1:
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pandaState = messaging.recv_sock(pandaState_sock, wait=True)
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msg = read_thermal(thermal_config)
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if pandaState is not None:
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usb_power = pandaState.pandaState.usbPowerMode != log.PandaState.UsbPowerMode.client
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# If we lose connection to the panda, wait 5 seconds before going offroad
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if pandaState.pandaState.pandaType == log.PandaState.PandaType.unknown:
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no_panda_cnt += 1
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if no_panda_cnt > DISCONNECT_TIMEOUT / DT_TRML:
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if startup_conditions["ignition"]:
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cloudlog.error("Lost panda connection while onroad")
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startup_conditions["ignition"] = False
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else:
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no_panda_cnt = 0
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startup_conditions["ignition"] = pandaState.pandaState.ignitionLine or pandaState.pandaState.ignitionCan
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# Setup fan handler on first connect to panda
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if handle_fan is None and pandaState.pandaState.pandaType != log.PandaState.PandaType.unknown:
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is_uno = pandaState.pandaState.pandaType == log.PandaState.PandaType.uno
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if (not EON) or is_uno:
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cloudlog.info("Setting up UNO fan handler")
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handle_fan = handle_fan_uno
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else:
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cloudlog.info("Setting up EON fan handler")
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setup_eon_fan()
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handle_fan = handle_fan_eon
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# Handle disconnect
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if pandaState_prev is not None:
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if pandaState.pandaState.pandaType == log.PandaState.PandaType.unknown and \
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pandaState_prev.pandaState.pandaType != log.PandaState.PandaType.unknown:
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params.panda_disconnect()
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pandaState_prev = pandaState
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# get_network_type is an expensive call. update every 10s
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if (count % int(10. / DT_TRML)) == 0:
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try:
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network_type = HARDWARE.get_network_type()
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network_strength = HARDWARE.get_network_strength(network_type)
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except Exception:
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cloudlog.exception("Error getting network status")
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msg.deviceState.freeSpacePercent = get_available_percent(default=100.0)
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msg.deviceState.memoryUsagePercent = int(round(psutil.virtual_memory().percent))
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msg.deviceState.cpuUsagePercent = int(round(psutil.cpu_percent()))
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msg.deviceState.networkType = network_type
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msg.deviceState.networkStrength = network_strength
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msg.deviceState.batteryPercent = HARDWARE.get_battery_capacity()
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msg.deviceState.batteryStatus = HARDWARE.get_battery_status()
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msg.deviceState.batteryCurrent = HARDWARE.get_battery_current()
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msg.deviceState.batteryVoltage = HARDWARE.get_battery_voltage()
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msg.deviceState.usbOnline = HARDWARE.get_usb_present()
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# Fake battery levels on uno for frame
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if (not EON) or is_uno:
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msg.deviceState.batteryPercent = 100
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msg.deviceState.batteryStatus = "Charging"
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msg.deviceState.batteryTempC = 0
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current_filter.update(msg.deviceState.batteryCurrent / 1e6)
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# TODO: add car battery voltage check
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max_cpu_temp = cpu_temp_filter.update(max(msg.deviceState.cpuTempC))
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max_comp_temp = max(max_cpu_temp, msg.deviceState.memoryTempC, max(msg.deviceState.gpuTempC))
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bat_temp = msg.deviceState.batteryTempC
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if handle_fan is not None:
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fan_speed = handle_fan(max_cpu_temp, bat_temp, fan_speed, startup_conditions["ignition"])
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msg.deviceState.fanSpeedPercentDesired = fan_speed
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# If device is offroad we want to cool down before going onroad
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# since going onroad increases load and can make temps go over 107
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# We only do this if there is a relay that prevents the car from faulting
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is_offroad_for_5_min = (started_ts is None) and ((not started_seen) or (off_ts is None) or (sec_since_boot() - off_ts > 60 * 5))
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if max_cpu_temp > 107. or bat_temp >= 63. or (is_offroad_for_5_min and max_cpu_temp > 70.0):
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# onroad not allowed
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thermal_status = ThermalStatus.danger
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elif max_comp_temp > 96.0 or bat_temp > 60.:
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# hysteresis between onroad not allowed and engage not allowed
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thermal_status = clip(thermal_status, ThermalStatus.red, ThermalStatus.danger)
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elif max_cpu_temp > 94.0:
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# hysteresis between engage not allowed and uploader not allowed
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thermal_status = clip(thermal_status, ThermalStatus.yellow, ThermalStatus.red)
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elif max_cpu_temp > 80.0:
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# uploader not allowed
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thermal_status = ThermalStatus.yellow
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elif max_cpu_temp > 75.0:
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# hysteresis between uploader not allowed and all good
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thermal_status = clip(thermal_status, ThermalStatus.green, ThermalStatus.yellow)
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else:
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thermal_status = ThermalStatus.green # default to good condition
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# **** starting logic ****
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# Check for last update time and display alerts if needed
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now = datetime.datetime.utcnow()
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# show invalid date/time alert
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startup_conditions["time_valid"] = (now.year > 2020) or (now.year == 2020 and now.month >= 10)
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set_offroad_alert_if_changed("Offroad_InvalidTime", (not startup_conditions["time_valid"]))
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# Show update prompt
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try:
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last_update = datetime.datetime.fromisoformat(params.get("LastUpdateTime", encoding='utf8'))
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except (TypeError, ValueError):
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last_update = now
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dt = now - last_update
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update_failed_count = params.get("UpdateFailedCount")
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update_failed_count = 0 if update_failed_count is None else int(update_failed_count)
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last_update_exception = params.get("LastUpdateException", encoding='utf8')
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if update_failed_count > 15 and last_update_exception is not None:
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if current_branch in ["release2", "dashcam"]:
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extra_text = "Ensure the software is correctly installed"
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else:
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extra_text = last_update_exception
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set_offroad_alert_if_changed("Offroad_ConnectivityNeeded", False)
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set_offroad_alert_if_changed("Offroad_ConnectivityNeededPrompt", False)
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set_offroad_alert_if_changed("Offroad_UpdateFailed", True, extra_text=extra_text)
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elif dt.days > DAYS_NO_CONNECTIVITY_MAX and update_failed_count > 1:
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set_offroad_alert_if_changed("Offroad_UpdateFailed", False)
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set_offroad_alert_if_changed("Offroad_ConnectivityNeededPrompt", False)
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set_offroad_alert_if_changed("Offroad_ConnectivityNeeded", True)
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elif dt.days > DAYS_NO_CONNECTIVITY_PROMPT:
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remaining_time = str(max(DAYS_NO_CONNECTIVITY_MAX - dt.days, 0))
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set_offroad_alert_if_changed("Offroad_UpdateFailed", False)
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set_offroad_alert_if_changed("Offroad_ConnectivityNeeded", False)
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set_offroad_alert_if_changed("Offroad_ConnectivityNeededPrompt", True, extra_text=f"{remaining_time} days.")
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else:
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set_offroad_alert_if_changed("Offroad_UpdateFailed", False)
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set_offroad_alert_if_changed("Offroad_ConnectivityNeeded", False)
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set_offroad_alert_if_changed("Offroad_ConnectivityNeededPrompt", False)
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startup_conditions["up_to_date"] = params.get("Offroad_ConnectivityNeeded") is None or params.get("DisableUpdates") == b"1"
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startup_conditions["not_uninstalling"] = not params.get("DoUninstall") == b"1"
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startup_conditions["accepted_terms"] = params.get("HasAcceptedTerms") == terms_version
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panda_signature = params.get("PandaFirmware")
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startup_conditions["fw_version_match"] = (panda_signature is None) or (panda_signature == FW_SIGNATURE) # don't show alert is no panda is connected (None)
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set_offroad_alert_if_changed("Offroad_PandaFirmwareMismatch", (not startup_conditions["fw_version_match"]))
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# with 2% left, we killall, otherwise the phone will take a long time to boot
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startup_conditions["free_space"] = msg.deviceState.freeSpacePercent > 2
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startup_conditions["completed_training"] = params.get("CompletedTrainingVersion") == training_version or \
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(current_branch in ['dashcam', 'dashcam-staging'])
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startup_conditions["not_driver_view"] = not params.get("IsDriverViewEnabled") == b"1"
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startup_conditions["not_taking_snapshot"] = not params.get("IsTakingSnapshot") == b"1"
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# if any CPU gets above 107 or the battery gets above 63, kill all processes
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# controls will warn with CPU above 95 or battery above 60
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startup_conditions["device_temp_good"] = thermal_status < ThermalStatus.danger
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set_offroad_alert_if_changed("Offroad_TemperatureTooHigh", (not startup_conditions["device_temp_good"]))
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startup_conditions["hardware_supported"] = pandaState is not None and pandaState.pandaState.pandaType not in [log.PandaState.PandaType.whitePanda,
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log.PandaState.PandaType.greyPanda]
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set_offroad_alert_if_changed("Offroad_HardwareUnsupported", pandaState is not None and not startup_conditions["hardware_supported"])
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# Handle offroad/onroad transition
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should_start = all(startup_conditions.values())
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if should_start:
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if not should_start_prev:
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params.delete("IsOffroad")
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if TICI and DISABLE_LTE_ONROAD:
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os.system("sudo systemctl stop --no-block lte")
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off_ts = None
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if started_ts is None:
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started_ts = sec_since_boot()
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started_seen = True
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else:
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if startup_conditions["ignition"] and (startup_conditions != startup_conditions_prev):
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cloudlog.event("Startup blocked", startup_conditions=startup_conditions)
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if should_start_prev or (count == 0):
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params.put("IsOffroad", "1")
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if TICI and DISABLE_LTE_ONROAD:
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os.system("sudo systemctl start --no-block lte")
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started_ts = None
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if off_ts is None:
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off_ts = sec_since_boot()
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# Offroad power monitoring
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power_monitor.calculate(pandaState)
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msg.deviceState.offroadPowerUsageUwh = power_monitor.get_power_used()
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msg.deviceState.carBatteryCapacityUwh = max(0, power_monitor.get_car_battery_capacity())
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# Check if we need to disable charging (handled by boardd)
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msg.deviceState.chargingDisabled = power_monitor.should_disable_charging(pandaState, off_ts)
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# Check if we need to shut down
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if power_monitor.should_shutdown(pandaState, off_ts, started_seen, LEON):
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cloudlog.info(f"shutting device down, offroad since {off_ts}")
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# TODO: add function for blocking cloudlog instead of sleep
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time.sleep(10)
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HARDWARE.shutdown()
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# If UI has crashed, set the brightness to reasonable non-zero value
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manager_state = messaging.recv_one_or_none(managerState_sock)
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if manager_state is not None:
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ui_running = "ui" in (p.name for p in manager_state.managerState.processes if p.running)
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if ui_running_prev and not ui_running:
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HARDWARE.set_screen_brightness(20)
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ui_running_prev = ui_running
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msg.deviceState.chargingError = current_filter.x > 0. and msg.deviceState.batteryPercent < 90 # if current is positive, then battery is being discharged
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msg.deviceState.started = started_ts is not None
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msg.deviceState.startedMonoTime = int(1e9*(started_ts or 0))
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msg.deviceState.thermalStatus = thermal_status
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pm.send("deviceState", msg)
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set_offroad_alert_if_changed("Offroad_ChargeDisabled", (not usb_power))
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should_start_prev = should_start
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startup_conditions_prev = startup_conditions.copy()
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# report to server once per minute
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if (count % int(60. / DT_TRML)) == 0:
|
|
location = messaging.recv_sock(location_sock)
|
|
cloudlog.event("STATUS_PACKET",
|
|
count=count,
|
|
pandaState=(pandaState.to_dict() if pandaState else None),
|
|
location=(location.gpsLocationExternal.to_dict() if location else None),
|
|
deviceState=msg.to_dict())
|
|
|
|
count += 1
|
|
|
|
|
|
def main():
|
|
thermald_thread()
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main()
|
|
|