[Ovmsdev] CAN bus logging not working

Tue Feb 7 17:38:50 HKT 2023

I meant the cars own covers, the module is tacked away behind the upper
panels.

Oscar

On Tue, Feb 7, 2023, 09:14 Michael Geddes <frog at bunyip.wheelycreek.net>
wrote:

> You can get the sdcard out and in with the help of something to push it
> with, without opening it up.
>
> Michael
>
> On Tue, 7 Feb 2023, 2:42 pm Christos Oscar Kambiselis, <
> ckambiselis at gmail.com> wrote:
>
>> This is the latest return
>>
>> vfs ls /sd
>> 191.4M 09-Jan-2004 14:20 191.4M 09-Jan-2004 14:20 191.4M 09-Jan-2004
>> 14:20 191.4M 09-Jan-2004 14:20 ! 191.4M 09-Jan-2004 14:20 ) 191.4M
>> 09-Jan-2004 14:20 1 191.4M 09-Jan-2004 14:20 9 191.4M 09-Jan-2004 14:20 A
>> 191.4M 09-Jan-2004 14:20 i 191.4M 09-Jan-2004 14:20 Q 191.4M 09-Jan-2004
>> 14:20 y 191.4M 09-Jan-2004 14:20 a 191.4M 09-Jan-2004 14:20 i 191.4M
>> 09-Jan-2004 14:20 ��� r 191.4M 09-Jan-2004 14:20 y
>>
>> I guess I have to open the covers again.
>>
>> Thanks for the help
>> Oscar
>>
>> On Tue, Feb 7, 2023 at 8:22 AM Mark Webb-Johnson <mark at webb-johnson.net>
>> wrote:
>>
>>>
>>> That SD looks messed up. There is no ‘format’ command that I know of in
>>> the ESP IDF. I did try a while (years) ago, but it wasn’t trivial at the
>>> time. If it detects an empty SDCARD it will format automatically, or you
>>> will need to format on a workstation.
>>>
>>> Your ‘can can1 status’ is showing packets, so I suggest you try:
>>>
>>> can log start vfs crtd /sd/can.crtd
>>>
>>> (Wait a minute)
>>>
>>> can log stop
>>>
>>> vfs ls /sd
>>>
>>> (and see if /sd/can.crtd has data)
>>>
>>>
>>> Regards, Mark
>>>
>>> On 7 Feb 2023, at 2:16 PM, Christos Oscar Kambiselis <
>>> ckambiselis at gmail.com> wrote:
>>>
>>> Hi,
>>>
>>> The first time I tested it I started logging from the Web UI and stopped
>>> it from there too and the next time I tested it I did it from the shell,
>>> running status commands to make sure it had started and stopped.
>>>
>>> vfs ls /sd gives,
>>> 0 30-Nov-1979 00:00 log 0 30-Nov-1979 00:00 0 30-Nov-1979 00:00 0
>>> 30-Nov-1979 00:00 0 30-Nov-1979 00:00 ! 0 30-Nov-1979 00:00 ) 0 30-Nov-1979
>>> 00:00 1 0 30-Nov-1979 00:00 9 0 30-Nov-1979 00:00 A 0 30-Nov-1979 00:00 i 0
>>> 30-Nov-1979 00:00 Q 0 30-Nov-1979 00:00 y 0 30-Nov-1979 00:00 a 0
>>> 30-Nov-1979 00:00 i 0 30-Nov-1979 00:00 ���r 0 30-Nov-1979 00:00 y
>>>
>>>
>>> which I noticed on the "Editor", and the reason I wanted to format the
>>> card in the OVMS.
>>>
>>> can can1 status
>>> CAN: can1 Mode: Active Speed: 500000 DBC: none Interrupts: 214034 Rx
>>> pkt: 120472 Rx ovrflw: 0 Tx pkt: 90774 Tx delays: 0 Tx ovrflw: 0 Tx fails:
>>> 254 Err flags: 0x008040d9 Rx err: 0 Tx err: 128 Rx invalid: 0 Wdg Resets: 0
>>> Wdg Timer: 2 sec(s) Err Resets: 0
>>> can can2 status
>>> CAN: can2 Mode: Listen Speed: 500000 DBC: none Interrupts: 0 Rx pkt: 0
>>> Rx ovrflw: 0 Tx pkt: 0 Tx delays: 0 Tx ovrflw: 0 Tx fails: 0 Err flags:
>>> 0x00000000 Rx err: 0 Tx err: 0 Rx invalid: 0 Wdg Resets: 91 Wdg Timer: 3
>>> sec(s) Err Resets: 0
>>> The command to start logging is the all CAN messages command from the
>>> guide
>>> *can log start vfs crtd /sd/can.crtd *
>>>
>>> and it returns
>>> CAN logging to VFS active: Type:vfs Format:crtd(discard) Vehicle:KN
>>> Path:/sd/can.cr
>>>
>>> also
>>> can log status
>>> #2: open Type:vfs Format:crtd(discard) Vehicle:KN Path:/sd/can.crtd
>>> Messages:214 Dropped:0 Filtered:0 Rate:0.0% /sd/can.crtd: running
>>> Messages:214 Discarded:0 Dropped:0 Filtered:0 Rate:0.0%
>>>
>>>
>>> On Tue, Feb 7, 2023, 02:08 Mark Webb-Johnson <mark at webb-johnson.net>
>>> wrote:
>>>
>>>> First guess is that you have to ‘can log stop’ to close the logging
>>>> file before you will be able to see the content.
>>>>
>>>> If that is not it, please provide details of the logging commands you
>>>> are typing, and what ‘vfs ls /sd’, ‘can can1 status’, ‘can can2 status’,
>>>> show.
>>>>
>>>> Regards, Mark.
>>>>
>>>> P.S. If you have a modern OVMS module, I also suggest you double-check
>>>> the sdcard maxfreq.khz setting to optimise performance:
>>>>
>>>>
>>>> https://docs.openvehicles.com/en/latest/userguide/logging.html?highlight=sdcard#performance-impact
>>>>
>>>>
>>>> On 7 Feb 2023, at 4:08 AM, Christos Oscar Kambiselis <
>>>> ckambiselis at gmail.com> wrote:
>>>>
>>>> Hi,
>>>> Has anyone had any problems with CAN bus logging?
>>>>
>>>> I have a 32GB SD card installed and "SD status" gives:
>>>>
>>>> *SD CARD is inserted*
>>>> *Status: available*
>>>> *Name: SD32G*
>>>> *Size:  30419 MB*
>>>> *Free:  29767 MB*
>>>>
>>>> *Card type: SDHC/SDXC*
>>>> *Max speed: 25000 kHz*
>>>> *Capacity: 30436 MB*
>>>> *CSD: ver=1; sector_size=512; capacity=62333952 read_bl_len=9*
>>>> *SCR: sd_spec=2; bus_width=5*
>>>>
>>>> I have setup CAN1 and 2 to "listen" and started the logging like it's
>>>> mentioned in the user guide, checked the status, I stopped it some time
>>>> later, and when I go to open it from the Web UI it is empty, also tried
>>>> from the Editor and it is also empty, removing the card is a bit tricky
>>>> since the hardware is pretty tucked away in the console. I searched the
>>>> manual for a format command but can't find anything.
>>>>
>>>> I do get messages and readings on the OVMS Android app, so at least the
>>>> OBD CAN is fine.
>>>>
>>>> Oscar
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>>>>
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