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260 lines
8.3 KiB
260 lines
8.3 KiB
import os
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from enum import IntEnum
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import subprocess
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from pathlib import Path
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from smbus2 import SMBus
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from cereal import log
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from selfdrive.hardware.base import HardwareBase, ThermalConfig
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NM = 'org.freedesktop.NetworkManager'
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NM_CON_ACT = NM + '.Connection.Active'
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NM_DEV_WL = NM + '.Device.Wireless'
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NM_AP = NM + '.AccessPoint'
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DBUS_PROPS = 'org.freedesktop.DBus.Properties'
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MM = 'org.freedesktop.ModemManager1'
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MM_MODEM = MM + ".Modem"
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MM_MODEM_SIMPLE = MM + ".Modem.Simple"
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MM_SIM = MM + ".Sim"
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class MM_MODEM_STATE(IntEnum):
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FAILED = -1
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UNKNOWN = 0
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INITIALIZING = 1
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LOCKED = 2
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DISABLED = 3
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DISABLING = 4
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ENABLING = 5
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ENABLED = 6
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SEARCHING = 7
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REGISTERED = 8
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DISCONNECTING = 9
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CONNECTING = 10
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CONNECTED = 11
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TIMEOUT = 0.1
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NetworkType = log.DeviceState.NetworkType
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NetworkStrength = log.DeviceState.NetworkStrength
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# https://developer.gnome.org/ModemManager/unstable/ModemManager-Flags-and-Enumerations.html#MMModemAccessTechnology
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MM_MODEM_ACCESS_TECHNOLOGY_UMTS = 1 << 5
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MM_MODEM_ACCESS_TECHNOLOGY_LTE = 1 << 14
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AMP_I2C_BUS = 0
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AMP_ADDRESS = 0x10
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def write_amplifier_reg(reg, val, offset, mask):
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with SMBus(AMP_I2C_BUS) as bus:
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v = bus.read_byte_data(AMP_ADDRESS, reg, force=True)
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v = (v & (~mask)) | ((val << offset) & mask)
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bus.write_byte_data(AMP_ADDRESS, reg, v, force=True)
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class Tici(HardwareBase):
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def __init__(self):
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import dbus # pylint: disable=import-error
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self.bus = dbus.SystemBus()
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self.nm = self.bus.get_object(NM, '/org/freedesktop/NetworkManager')
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self.mm = self.bus.get_object(MM, '/org/freedesktop/ModemManager1')
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def get_os_version(self):
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with open("/VERSION") as f:
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return f.read().strip()
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def get_device_type(self):
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return "tici"
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def get_sound_card_online(self):
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return (os.path.isfile('/proc/asound/card0/state') and
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open('/proc/asound/card0/state').read().strip() == 'ONLINE')
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def reboot(self, reason=None):
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subprocess.check_output(["sudo", "reboot"])
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def uninstall(self):
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Path("/data/__system_reset__").touch()
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os.sync()
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self.reboot()
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def get_serial(self):
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return self.get_cmdline()['androidboot.serialno']
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def get_network_type(self):
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try:
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primary_connection = self.nm.Get(NM, 'PrimaryConnection', dbus_interface=DBUS_PROPS, timeout=TIMEOUT)
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primary_connection = self.bus.get_object(NM, primary_connection)
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tp = primary_connection.Get(NM_CON_ACT, 'Type', dbus_interface=DBUS_PROPS, timeout=TIMEOUT)
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if tp in ['802-3-ethernet', '802-11-wireless']:
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return NetworkType.wifi
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elif tp in ['gsm']:
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modem = self.get_modem()
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access_t = modem.Get(MM_MODEM, 'AccessTechnologies', dbus_interface=DBUS_PROPS, timeout=TIMEOUT)
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if access_t >= MM_MODEM_ACCESS_TECHNOLOGY_LTE:
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return NetworkType.cell4G
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elif access_t >= MM_MODEM_ACCESS_TECHNOLOGY_UMTS:
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return NetworkType.cell3G
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else:
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return NetworkType.cell2G
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except Exception:
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pass
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return NetworkType.none
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def get_modem(self):
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objects = self.mm.GetManagedObjects(dbus_interface="org.freedesktop.DBus.ObjectManager", timeout=TIMEOUT)
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modem_path = list(objects.keys())[0]
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return self.bus.get_object(MM, modem_path)
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def get_wlan(self):
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wlan_path = self.nm.GetDeviceByIpIface('wlan0', dbus_interface=NM, timeout=TIMEOUT)
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return self.bus.get_object(NM, wlan_path)
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def get_sim_info(self):
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modem = self.get_modem()
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sim_path = modem.Get(MM_MODEM, 'Sim', dbus_interface=DBUS_PROPS, timeout=TIMEOUT)
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if sim_path == "/":
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return {
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'sim_id': '',
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'mcc_mnc': None,
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'network_type': ["Unknown"],
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'sim_state': ["ABSENT"],
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'data_connected': False
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}
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else:
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sim = self.bus.get_object(MM, sim_path)
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return {
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'sim_id': str(sim.Get(MM_SIM, 'SimIdentifier', dbus_interface=DBUS_PROPS, timeout=TIMEOUT)),
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'mcc_mnc': str(sim.Get(MM_SIM, 'OperatorIdentifier', dbus_interface=DBUS_PROPS, timeout=TIMEOUT)),
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'network_type': ["Unknown"],
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'sim_state': ["READY"],
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'data_connected': modem.Get(MM_MODEM, 'State', dbus_interface=DBUS_PROPS, timeout=TIMEOUT) == MM_MODEM_STATE.CONNECTED,
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}
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def get_subscriber_info(self):
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return ""
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def get_imei(self, slot):
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if slot != 0:
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return ""
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return str(self.get_modem().Get(MM_MODEM, 'EquipmentIdentifier', dbus_interface=DBUS_PROPS, timeout=TIMEOUT))
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def get_network_info(self):
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modem = self.get_modem()
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try:
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info = modem.Command("AT+QNWINFO", int(TIMEOUT * 1000), dbus_interface=MM_MODEM, timeout=TIMEOUT)
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extra = modem.Command('AT+QENG="servingcell"', int(TIMEOUT * 1000), dbus_interface=MM_MODEM, timeout=TIMEOUT)
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state = modem.Get(MM_MODEM, 'State', dbus_interface=DBUS_PROPS, timeout=TIMEOUT)
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except Exception:
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return None
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if info and info.startswith('+QNWINFO: '):
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info = info.replace('+QNWINFO: ', '').replace('"', '').split(',')
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extra = "" if extra is None else extra.replace('+QENG: "servingcell",', '').replace('"', '')
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state = "" if state is None else MM_MODEM_STATE(state).name
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if len(info) != 4:
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return None
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technology, operator, band, channel = info
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return({
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'technology': technology,
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'operator': operator,
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'band': band,
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'channel': int(channel),
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'extra': extra,
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'state': state,
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})
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else:
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return None
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def parse_strength(self, percentage):
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if percentage < 25:
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return NetworkStrength.poor
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elif percentage < 50:
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return NetworkStrength.moderate
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elif percentage < 75:
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return NetworkStrength.good
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else:
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return NetworkStrength.great
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def get_network_strength(self, network_type):
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network_strength = NetworkStrength.unknown
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try:
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if network_type == NetworkType.none:
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pass
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elif network_type == NetworkType.wifi:
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wlan = self.get_wlan()
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active_ap_path = wlan.Get(NM_DEV_WL, 'ActiveAccessPoint', dbus_interface=DBUS_PROPS, timeout=TIMEOUT)
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if active_ap_path != "/":
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active_ap = self.bus.get_object(NM, active_ap_path)
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strength = int(active_ap.Get(NM_AP, 'Strength', dbus_interface=DBUS_PROPS, timeout=TIMEOUT))
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network_strength = self.parse_strength(strength)
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else: # Cellular
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modem = self.get_modem()
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strength = int(modem.Get(MM_MODEM, 'SignalQuality', dbus_interface=DBUS_PROPS, timeout=TIMEOUT)[0])
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network_strength = self.parse_strength(strength)
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except Exception:
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pass
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return network_strength
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# We don't have a battery, so let's use some sane constants
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def get_battery_capacity(self):
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return 100
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def get_battery_status(self):
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return ""
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def get_battery_current(self):
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return 0
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def get_battery_voltage(self):
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return 0
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def get_battery_charging(self):
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return True
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def set_battery_charging(self, on):
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pass
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def get_usb_present(self):
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# Not sure if relevant on tici, but the file exists
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return self.read_param_file("/sys/class/power_supply/usb/present", lambda x: bool(int(x)), False)
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def get_current_power_draw(self):
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return (self.read_param_file("/sys/class/hwmon/hwmon1/power1_input", int) / 1e6)
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def shutdown(self):
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# Note that for this to work and have the device stay powered off, the panda needs to be in UsbPowerMode::CLIENT!
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os.system("sudo poweroff")
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def get_thermal_config(self):
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return ThermalConfig(cpu=((1, 2, 3, 4, 5, 6, 7, 8), 1000), gpu=((48,49), 1000), mem=(15, 1000), bat=(None, 1), ambient=(65, 1000))
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def set_screen_brightness(self, percentage):
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try:
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with open("/sys/class/backlight/panel0-backlight/brightness", "w") as f:
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f.write(str(int(percentage * 10.23)))
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except Exception:
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pass
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def set_power_save(self, enabled):
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# amplifier, 100mW at idle
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write_amplifier_reg(0x51, 0b0 if enabled else 0b1, 7, 0b10000000)
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# offline big cluster, leave core 4 online for boardd
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for i in range(5, 8):
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# TODO: fix permissions with udev
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val = "0" if enabled else "1"
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os.system(f"sudo su -c 'echo {val} > /sys/devices/system/cpu/cpu{i}/online'")
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if __name__ == "__main__":
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import sys
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Tici().set_power_save(bool(int(sys.argv[1])))
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