[Ovmsdev] can log

Mark Webb-Johnson mark at webb-johnson.net
Mon Jun 17 16:57:02 HKT 2019


Yes, it seems SD CARD is too slow.

Can you check ‘config list sdcard’ and see if you have a ‘maxfreq.khz’ value set? The default is 16000.

If you have a reasonably modern OVMS module, or are running from USB power (even if 12v is connected as well), you can set:

config set sdcard maxfreq.khz 20000

and reboot, to improve the SD CARD write speed.

The 1R11 means reception of a 11bit (standard) CAN message on CAN1 bus. A 1T11 would mean transmission. I think you should be able to download via the browser - personally, I just scp the files off the module over wifi.

Regards, Mark.

> On 15 Jun 2019, at 1:58 AM, Tamás Kovács <kommykt at gmail.com> wrote:
> I want to create log file from can messages while Lexia connected to obd, but many message has dropped. My sd card is too slow to write all data?
> I start logging with can log crtd /sd/lexia.crtd command
> Closing log: Type:crtd; Path:'/sd/lexia.crtd'; Filter:off; Vehicle:MI;
> Statistics: total messages: 3334194, dropped: 2707476 = 81.2%
> In can log i can see the incoming messages?
> This is a RX message:
> 175594.785 1R11 346 27 10 40 00 00 00 00 42
> if 1R11 is 1T11 this is a TX message on CAN1?
> How can i download the log file, the easiest way, because if i use browser and add the file url (ip/lexia.crtd) the browser load its content.
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> OvmsDev at lists.openvehicles.com
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