openpilot is an open source driver assistance system. openpilot performs the functions of Automated Lane Centering and Adaptive Cruise Control for over 200 supported car makes and models.
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#!/usr/bin/env python3
import capnp
from dataclasses import dataclass, field
import struct
from typing import Dict, List, Optional, Tuple
import panda.python.uds as uds
def p16(val):
return struct.pack("!H", val)
class StdQueries:
# FW queries
TESTER_PRESENT_REQUEST = bytes([uds.SERVICE_TYPE.TESTER_PRESENT, 0x0])
TESTER_PRESENT_RESPONSE = bytes([uds.SERVICE_TYPE.TESTER_PRESENT + 0x40, 0x0])
SHORT_TESTER_PRESENT_REQUEST = bytes([uds.SERVICE_TYPE.TESTER_PRESENT])
SHORT_TESTER_PRESENT_RESPONSE = bytes([uds.SERVICE_TYPE.TESTER_PRESENT + 0x40])
DEFAULT_DIAGNOSTIC_REQUEST = bytes([uds.SERVICE_TYPE.DIAGNOSTIC_SESSION_CONTROL,
uds.SESSION_TYPE.DEFAULT])
DEFAULT_DIAGNOSTIC_RESPONSE = bytes([uds.SERVICE_TYPE.DIAGNOSTIC_SESSION_CONTROL + 0x40,
uds.SESSION_TYPE.DEFAULT, 0x0, 0x32, 0x1, 0xf4])
EXTENDED_DIAGNOSTIC_REQUEST = bytes([uds.SERVICE_TYPE.DIAGNOSTIC_SESSION_CONTROL,
uds.SESSION_TYPE.EXTENDED_DIAGNOSTIC])
EXTENDED_DIAGNOSTIC_RESPONSE = bytes([uds.SERVICE_TYPE.DIAGNOSTIC_SESSION_CONTROL + 0x40,
uds.SESSION_TYPE.EXTENDED_DIAGNOSTIC, 0x0, 0x32, 0x1, 0xf4])
MANUFACTURER_SOFTWARE_VERSION_REQUEST = bytes([uds.SERVICE_TYPE.READ_DATA_BY_IDENTIFIER]) + \
p16(uds.DATA_IDENTIFIER_TYPE.VEHICLE_MANUFACTURER_ECU_SOFTWARE_NUMBER)
MANUFACTURER_SOFTWARE_VERSION_RESPONSE = bytes([uds.SERVICE_TYPE.READ_DATA_BY_IDENTIFIER + 0x40]) + \
p16(uds.DATA_IDENTIFIER_TYPE.VEHICLE_MANUFACTURER_ECU_SOFTWARE_NUMBER)
UDS_VERSION_REQUEST = bytes([uds.SERVICE_TYPE.READ_DATA_BY_IDENTIFIER]) + \
p16(uds.DATA_IDENTIFIER_TYPE.APPLICATION_SOFTWARE_IDENTIFICATION)
UDS_VERSION_RESPONSE = bytes([uds.SERVICE_TYPE.READ_DATA_BY_IDENTIFIER + 0x40]) + \
p16(uds.DATA_IDENTIFIER_TYPE.APPLICATION_SOFTWARE_IDENTIFICATION)
OBD_VERSION_REQUEST = b'\x09\x04'
OBD_VERSION_RESPONSE = b'\x49\x04'
# VIN queries
OBD_VIN_REQUEST = b'\x09\x02'
OBD_VIN_RESPONSE = b'\x49\x02\x01'
UDS_VIN_REQUEST = bytes([uds.SERVICE_TYPE.READ_DATA_BY_IDENTIFIER]) + p16(uds.DATA_IDENTIFIER_TYPE.VIN)
UDS_VIN_RESPONSE = bytes([uds.SERVICE_TYPE.READ_DATA_BY_IDENTIFIER + 0x40]) + p16(uds.DATA_IDENTIFIER_TYPE.VIN)
@dataclass
class Request:
request: List[bytes]
response: List[bytes]
whitelist_ecus: List[int] = field(default_factory=list)
rx_offset: int = 0x8
bus: int = 1
@dataclass
class FwQueryConfig:
requests: List[Request]
# TODO: make this automatic and remove hardcoded lists, or do fingerprinting with ecus
# Overrides and removes from essential ecus for specific models and ecus (exact matching)
non_essential_ecus: Dict[capnp.lib.capnp._EnumModule, List[str]] = field(default_factory=dict)
# Ecus added for data collection, not to be fingerprinted on
extra_ecus: List[Tuple[capnp.lib.capnp._EnumModule, int, Optional[int]]] = field(default_factory=list)