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iso statemachine make it work for CAN FD #214

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merged 4 commits into from
Oct 9, 2023
Merged

iso statemachine make it work for CAN FD #214

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f6679ad
iso statemachine make it work for CAN FD
Oct 4, 2023
c64337f
fix exception handling in snoop
Oct 4, 2023
45560de
Added consideration of runtime check for TextIOBase
Oct 6, 2023
18d61e0
removed TextIOWrapper
Oct 7, 2023
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2 changes: 1 addition & 1 deletion odxtools/cli/_parser_utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,7 @@


def add_pdx_argument(parser):
parser.add_argument("pdx_file", metavar="PDX_FILE", help="path to the .pdx file")
parser.add_argument("pdx_file", nargs="?", metavar="PDX_FILE", help="path to the .pdx file")
# parser.add_argument("pdx_files", metavar="PDX_FILES", nargs="+", help="PDX descriptions of all ECUs which shall be analyzed")


Expand Down
13 changes: 9 additions & 4 deletions odxtools/isotp_state_machine.py
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,7 @@
import re
import sys
from enum import IntEnum
from io import TextIOWrapper
from typing import AsyncGenerator, Iterable, List, Optional, TextIO, Tuple, Union

import bitstruct
Expand All @@ -26,8 +27,10 @@ class IsoTp(IntEnum):

class IsoTpStateMachine:
can_normal_frame_re = re.compile(
"([a-zA-Z0-9_-]*) *([0-9A-Fa-f ]*) *\\[[0-9]*\\] *([ 0-9A-Fa-f]*)")
can_log_frame_re = re.compile("\\([0-9.]*\\) *([a-zA-Z0-9_-]*) ([0-9A-Fa-f]*)#([0-9A-Fa-f]*)")
"([a-zA-Z0-9_-]*) *([0-9A-Fa-f ]*) *\\[[0-9]+\\] *([ 0-9A-Fa-f]+)")
can_log_frame_re = re.compile("\\([0-9.]*\\) *([a-zA-Z0-9_-]*) ([0-9A-Fa-f]+)#([0-9A-Fa-f]+)")
can_fd_log_frame_re = re.compile(
"\\([0-9.]*\\) *([a-zA-Z0-9_-]*) ([0-9A-Fa-f]+)##[0-9A-Fa-f]([0-9A-Fa-f]+)")

def __init__(self, can_rx_ids: Union[int, List[int]]):
if isinstance(can_rx_ids, int):
Expand Down Expand Up @@ -128,7 +131,7 @@ async def read_telegrams(self, bus: Union[can.Bus,
for tmp in self.decode_rx_frame(msg.arbitration_id, msg.data):
yield tmp
else:
assert isinstance(bus, TextIO)
assert isinstance(bus, (TextIO, TextIOWrapper))
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# input is a file
while bus:
cur_line = bus.readline()
Expand All @@ -145,7 +148,9 @@ async def read_telegrams(self, bus: Union[can.Bus,
for tmp in self.decode_rx_frame(frame_id, frame_data):
yield tmp

elif m := self.can_log_frame_re.match(cur_line.strip()):
elif (m := self.can_log_frame_re.match(
cur_line.strip())) or (m := self.can_fd_log_frame_re.match(
cur_line.strip())):
#frame_interface = m.group(2)
frame_id = int(m.group(2), 16)

Expand Down