332 lines
10 KiB
Python
332 lines
10 KiB
Python
import binascii
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import itertools
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import os
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import re
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import struct
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import subprocess
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from cereal import log
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from selfdrive.hardware.base import HardwareBase
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NetworkType = log.ThermalData.NetworkType
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NetworkStrength = log.ThermalData.NetworkStrength
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def service_call(call):
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try:
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ret = subprocess.check_output(["service", "call", *call], encoding='utf8').strip()
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if 'Parcel' not in ret:
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return None
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return parse_service_call_bytes(ret)
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except subprocess.CalledProcessError:
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return None
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def parse_service_call_unpack(r, fmt):
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try:
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return struct.unpack(fmt, r)[0]
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except Exception:
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return None
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def parse_service_call_string(r):
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try:
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r = r[8:] # Cut off length field
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r = r.decode('utf_16_be')
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# All pairs of two characters seem to be swapped. Not sure why
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result = ""
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for a, b, in itertools.zip_longest(r[::2], r[1::2], fillvalue='\x00'):
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result += b + a
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result = result.replace('\x00', '')
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return result
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except Exception:
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return None
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def parse_service_call_bytes(ret):
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try:
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r = b""
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for hex_part in re.findall(r'[ (]([0-9a-f]{8})', ret):
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r += binascii.unhexlify(hex_part)
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return r
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except Exception:
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return None
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def getprop(key):
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return subprocess.check_output(["getprop", key], encoding='utf8').strip()
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class Android(HardwareBase):
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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 get_imei(self, slot):
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slot = str(slot)
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if slot not in ("0", "1"):
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raise ValueError("SIM slot must be 0 or 1")
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return parse_service_call_string(service_call(["iphonesubinfo", "3", "i32", str(slot)]))
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def get_serial(self):
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ret = getprop("ro.serialno")
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if ret == "":
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ret = "cccccccc"
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return ret
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def get_subscriber_info(self):
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ret = parse_service_call_string(service_call(["iphonesubinfo", "7"]))
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if ret is None or len(ret) < 8:
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return ""
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return ret
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def reboot(self, reason=None):
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# e.g. reason="recovery" to go into recover mode
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if reason is None:
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reason_args = ["null"]
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else:
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reason_args = ["s16", reason]
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subprocess.check_output([
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"service", "call", "power", "16", # IPowerManager.reboot
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"i32", "0", # no confirmation,
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*reason_args,
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"i32", "1" # wait
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])
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def get_sim_info(self):
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# Used for athena
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# TODO: build using methods from this class
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sim_state = getprop("gsm.sim.state").split(",")
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network_type = getprop("gsm.network.type").split(',')
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mcc_mnc = getprop("gsm.sim.operator.numeric") or None
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sim_id = parse_service_call_string(service_call(['iphonesubinfo', '11']))
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cell_data_state = parse_service_call_unpack(service_call(['phone', '46']), ">q")
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cell_data_connected = (cell_data_state == 2)
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return {
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'sim_id': sim_id,
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'mcc_mnc': mcc_mnc,
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'network_type': network_type,
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'sim_state': sim_state,
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'data_connected': cell_data_connected
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}
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def get_network_type(self):
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wifi_check = parse_service_call_string(service_call(["connectivity", "2"]))
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if wifi_check is None:
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return NetworkType.none
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elif 'WIFI' in wifi_check:
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return NetworkType.wifi
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else:
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cell_check = parse_service_call_unpack(service_call(['phone', '59']), ">q")
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# from TelephonyManager.java
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cell_networks = {
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0: NetworkType.none,
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1: NetworkType.cell2G,
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2: NetworkType.cell2G,
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3: NetworkType.cell3G,
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4: NetworkType.cell2G,
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5: NetworkType.cell3G,
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6: NetworkType.cell3G,
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7: NetworkType.cell3G,
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8: NetworkType.cell3G,
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9: NetworkType.cell3G,
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10: NetworkType.cell3G,
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11: NetworkType.cell2G,
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12: NetworkType.cell3G,
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13: NetworkType.cell4G,
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14: NetworkType.cell4G,
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15: NetworkType.cell3G,
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16: NetworkType.cell2G,
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17: NetworkType.cell3G,
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18: NetworkType.cell4G,
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19: NetworkType.cell4G
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}
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return cell_networks.get(cell_check, NetworkType.none)
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def get_network_strength(self, network_type):
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network_strength = NetworkStrength.unknown
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# from SignalStrength.java
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def get_lte_level(rsrp, rssnr):
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INT_MAX = 2147483647
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if rsrp == INT_MAX:
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lvl_rsrp = NetworkStrength.unknown
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elif rsrp >= -95:
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lvl_rsrp = NetworkStrength.great
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elif rsrp >= -105:
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lvl_rsrp = NetworkStrength.good
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elif rsrp >= -115:
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lvl_rsrp = NetworkStrength.moderate
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else:
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lvl_rsrp = NetworkStrength.poor
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if rssnr == INT_MAX:
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lvl_rssnr = NetworkStrength.unknown
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elif rssnr >= 45:
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lvl_rssnr = NetworkStrength.great
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elif rssnr >= 10:
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lvl_rssnr = NetworkStrength.good
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elif rssnr >= -30:
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lvl_rssnr = NetworkStrength.moderate
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else:
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lvl_rssnr = NetworkStrength.poor
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return max(lvl_rsrp, lvl_rssnr)
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def get_tdscdma_level(tdscmadbm):
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lvl = NetworkStrength.unknown
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if tdscmadbm > -25:
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lvl = NetworkStrength.unknown
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elif tdscmadbm >= -49:
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lvl = NetworkStrength.great
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elif tdscmadbm >= -73:
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lvl = NetworkStrength.good
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elif tdscmadbm >= -97:
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lvl = NetworkStrength.moderate
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elif tdscmadbm >= -110:
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lvl = NetworkStrength.poor
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return lvl
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def get_gsm_level(asu):
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if asu <= 2 or asu == 99:
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lvl = NetworkStrength.unknown
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elif asu >= 12:
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lvl = NetworkStrength.great
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elif asu >= 8:
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lvl = NetworkStrength.good
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elif asu >= 5:
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lvl = NetworkStrength.moderate
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else:
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lvl = NetworkStrength.poor
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return lvl
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def get_evdo_level(evdodbm, evdosnr):
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lvl_evdodbm = NetworkStrength.unknown
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lvl_evdosnr = NetworkStrength.unknown
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if evdodbm >= -65:
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lvl_evdodbm = NetworkStrength.great
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elif evdodbm >= -75:
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lvl_evdodbm = NetworkStrength.good
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elif evdodbm >= -90:
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lvl_evdodbm = NetworkStrength.moderate
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elif evdodbm >= -105:
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lvl_evdodbm = NetworkStrength.poor
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if evdosnr >= 7:
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lvl_evdosnr = NetworkStrength.great
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elif evdosnr >= 5:
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lvl_evdosnr = NetworkStrength.good
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elif evdosnr >= 3:
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lvl_evdosnr = NetworkStrength.moderate
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elif evdosnr >= 1:
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lvl_evdosnr = NetworkStrength.poor
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return max(lvl_evdodbm, lvl_evdosnr)
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def get_cdma_level(cdmadbm, cdmaecio):
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lvl_cdmadbm = NetworkStrength.unknown
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lvl_cdmaecio = NetworkStrength.unknown
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if cdmadbm >= -75:
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lvl_cdmadbm = NetworkStrength.great
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elif cdmadbm >= -85:
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lvl_cdmadbm = NetworkStrength.good
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elif cdmadbm >= -95:
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lvl_cdmadbm = NetworkStrength.moderate
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elif cdmadbm >= -100:
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lvl_cdmadbm = NetworkStrength.poor
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if cdmaecio >= -90:
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lvl_cdmaecio = NetworkStrength.great
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elif cdmaecio >= -110:
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lvl_cdmaecio = NetworkStrength.good
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elif cdmaecio >= -130:
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lvl_cdmaecio = NetworkStrength.moderate
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elif cdmaecio >= -150:
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lvl_cdmaecio = NetworkStrength.poor
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return max(lvl_cdmadbm, lvl_cdmaecio)
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if network_type == NetworkType.none:
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return network_strength
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if network_type == NetworkType.wifi:
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out = subprocess.check_output('dumpsys connectivity', shell=True).decode('utf-8')
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network_strength = NetworkStrength.unknown
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for line in out.split('\n'):
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signal_str = "SignalStrength: "
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if signal_str in line:
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lvl_idx_start = line.find(signal_str) + len(signal_str)
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lvl_idx_end = line.find(']', lvl_idx_start)
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lvl = int(line[lvl_idx_start : lvl_idx_end])
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if lvl >= -50:
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network_strength = NetworkStrength.great
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elif lvl >= -60:
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network_strength = NetworkStrength.good
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elif lvl >= -70:
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network_strength = NetworkStrength.moderate
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else:
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network_strength = NetworkStrength.poor
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return network_strength
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else:
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# check cell strength
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out = subprocess.check_output('dumpsys telephony.registry', shell=True).decode('utf-8')
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for line in out.split('\n'):
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if "mSignalStrength" in line:
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arr = line.split(' ')
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ns = 0
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if ("gsm" in arr[14]):
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rsrp = int(arr[9])
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rssnr = int(arr[11])
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ns = get_lte_level(rsrp, rssnr)
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if ns == NetworkStrength.unknown:
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tdscmadbm = int(arr[13])
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ns = get_tdscdma_level(tdscmadbm)
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if ns == NetworkStrength.unknown:
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asu = int(arr[1])
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ns = get_gsm_level(asu)
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else:
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cdmadbm = int(arr[3])
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cdmaecio = int(arr[4])
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evdodbm = int(arr[5])
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evdosnr = int(arr[7])
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lvl_cdma = get_cdma_level(cdmadbm, cdmaecio)
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lvl_edmo = get_evdo_level(evdodbm, evdosnr)
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if lvl_edmo == NetworkStrength.unknown:
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ns = lvl_cdma
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elif lvl_cdma == NetworkStrength.unknown:
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ns = lvl_edmo
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else:
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ns = min(lvl_cdma, lvl_edmo)
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network_strength = max(network_strength, ns)
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return network_strength
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def get_battery_capacity(self):
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return self.read_param_file("/sys/class/power_supply/battery/capacity", int, 100)
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def get_battery_status(self):
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# This does not correspond with actual charging or not.
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# If a USB cable is plugged in, it responds with 'Charging', even when charging is disabled
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return self.read_param_file("/sys/class/power_supply/battery/status", lambda x: x.strip(), '')
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def get_battery_current(self):
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return self.read_param_file("/sys/class/power_supply/battery/current_now", int)
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def get_battery_voltage(self):
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return self.read_param_file("/sys/class/power_supply/battery/voltage_now", int)
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def get_battery_charging(self):
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# This does correspond with actually charging
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return self.read_param_file("/sys/class/power_supply/battery/charge_type", lambda x: x.strip() != "N/A", True)
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def set_battery_charging(self, on):
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with open('/sys/class/power_supply/battery/charging_enabled', 'w') as f:
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f.write(f"{1 if on else 0}\n")
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def get_usb_present(self):
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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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# We don't have a good direct way to measure this on android
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return None
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