[Ovmsdev] can log

[Tamás Kovács]

Now set 20000, and now the dropped package about 25%.

Mark Webb-Johnson <mark at webb-johnson.net> ezt írta (időpont: 2019. jún.
18., K, 7:14):

> The Mac processor and I/O is a little bit faster than the little esp32.
>
> You can try to set to 20000 then reboot. Should be about 5 times faster
> than default. But if running old hardware without 5v usb connected, then
> may crash. Recent modules, or when you have USB connected, can operate at
> high speed.
>
> Regards, Mark
>
> On 18 Jun 2019, at 11:56 AM, Tamás Kovács <kommykt at gmail.com> wrote:
>
> Now i remove the SD card in my Mac the speed is 10MB/s / 80MB /s (W/R).
> I have a 1.5 year old modell with the following numbers (2018020219PTWU)
> If run ‘config list sdcard’ only show 'sdcard (readable writeable)'
> if i run 'config set sdcard maxfreq.khz 16000' now show this value for
> ‘config list sdcard’.
>
> For download, if i copy the log to another folder than sd root, i can
> browse the folder tree, and download directly.
>
> Mark Webb-Johnson <mark at webb-johnson.net> ezt írta (időpont: 2019. jún.
> 18., K, 2:14):
>
>> Tamás,
>>
>> 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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>>
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>
>
> --
> Üdvözlettel:
> Kovács Tamás
>
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-- 
Üdvözlettel:
Kovács Tamás
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