# distutils: language = c++
# cython: language_level=3
from libc.stdint cimport uint8_t , uint32_t , uint64_t
from libcpp cimport bool
from libcpp.pair cimport pair
from libcpp.set cimport set
from libcpp.string cimport string
from libcpp.vector cimport vector
from libcpp.unordered_map cimport unordered_map
ctypedef unsigned int ( * calc_checksum_type ) ( uint32_t , const Signal & , const vector [ uint8_t ] & )
cdef extern from " common_dbc.h " :
ctypedef enum SignalType :
DEFAULT ,
COUNTER ,
HONDA_CHECKSUM ,
TOYOTA_CHECKSUM ,
PEDAL_CHECKSUM ,
VOLKSWAGEN_MQB_MEB_CHECKSUM ,
XOR_CHECKSUM ,
SUBARU_CHECKSUM ,
CHRYSLER_CHECKSUM
HKG_CAN_FD_CHECKSUM ,
FCA_GIORGIO_CHECKSUM ,
cdef struct Signal :
string name
int start_bit , msb , lsb , size
bool is_signed
double factor , offset
bool is_little_endian
SignalType type
calc_checksum_type calc_checksum
cdef struct Msg :
string name
uint32_t address
unsigned int size
vector [ Signal ] sigs
cdef struct Val :
string name
uint32_t address
string def_val
vector [ Signal ] sigs
cdef struct DBC :
string name
vector [ Msg ] msgs
vector [ Val ] vals
unordered_map [ uint32_t , const Msg * ] addr_to_msg
unordered_map [ string , const Msg * ] name_to_msg
cdef struct SignalPackValue :
string name
double value
cdef extern from " common.h " :
cdef const DBC * dbc_lookup ( const string ) except +
cdef cppclass MessageState :
vector [ Signal ] parse_sigs
vector [ double ] vals
vector [ vector [ double ] ] all_vals
uint64_t last_seen_nanos
cdef struct CanFrame :
long src
uint32_t address
vector [ uint8_t ] dat
cdef struct CanData :
uint64_t nanos
vector [ CanFrame ] frames
cdef cppclass CANParser :
bool can_valid
bool bus_timeout
CANParser ( int , string , vector [ pair [ uint32_t , int ] ] ) except + nogil
set [ uint32_t ] update ( vector [ CanData ] & ) except + nogil
MessageState * getMessageState ( uint32_t address ) nogil
cdef cppclass CANPacker :
CANPacker ( string ) nogil
vector [ uint8_t ] pack ( uint32_t , vector [ SignalPackValue ] & ) nogil
