DBC issue: Unable to mix J1939 PGNs with standard CAN IDs about canmatrix

[ebroecker]

Thanks for this report, gonna have a look on it...

[ebroecker]

Hi @MatinF ,

which version of canmatrix do you use?
I just tried to reproduce the issue, but was not successful...

import canmatrix.formats

my_matrix = canmatrix.formats.loadp_flat(r"CSS-Electronics-OBD2-incl-extended-v2.0.dbc")

for num, frame in enumerate(my_matrix.frames):
    print(f"Frame {num}: {frame}")
    print(f" is j1939: {frame.is_j1939}")
    print(f" id:  {frame.arbitration_id}")
    print(f' Format: {frame.attributes["VFrameFormat"]}')
    if frame.is_j1939:
        print(f" pgn: {hex(frame.arbitration_id.pgn)}")

gives me this output:

Frame 0: OBD2
 is j1939: False
 id:  ArbitrationId(id=2024, extended=False)
 Format: StandardCAN
Frame 1: OBD2
 is j1939: True
 id:  ArbitrationId(id=417001749, extended=True)
 Format: J1939PG
 pgn: 0xda00

[MatinF]

Hi Eduard,

This was tested via asammdf v7.3.16 GUI build on Windows 10 64 bit. I'm not entirely sure which canmatrix version is being used here. In this version, nothing is returned when I try to decode the test MF4 with the DBC. When I run a dev version with a console, that's where I see the previously reported error.

@danielhrisca is it possible to try and update to the latest canmatrix in asammdf to see if this resolves this issue?

[danielhrisca]

@MatinF please try the development branch code

[MatinF]

Thanks, I'll update on this in the separate ticket on the asammdf github danielhrisca/asammdf#930