[Ovmsdev] Can bus error while read canbus

[Michael Balzer]

Didier,

the error message tells the now separated poller isn't started and also 
cannot be started for the request.

Check "poller status":

OVMS# poller status
Poller on Can1
   List: active
   State: 0
   Last Request: 1s (ticks)
Time between polling ticks: 1000ms
Last Poll Received: 0s (ticks) ago
Poll Queue Length: 0
OBD polling is Resumed

Enable logging for tag "vehicle-poll" and issue "poller trace on" or 
possibly "poller trace all" if that doesn't show the cause.

Regards,
Michael


Am 30.10.24 um 22:55 schrieb didier--- via OvmsDev:
> Hi,
>
> I don't know what changed on my OVMS box, but I am no longer abl to 
> read manually (in the shell) any PID with the "obdii can1 request...". 
> I receive the tranmission failure error. But it used to work fine a 
> couple of days ago. Other commands works great like "re obdii scan 
> start...", so the connection with the OMVS box, communication on the 
> OBD2 port, etc works fine. What could go wrong ? I tried to download 
> the lasted image. Same error.
>
> Here is a session that I did :
>
> *OVMS#*  re obdii scan start 1 7e4 dd00 de00 -r7ec
> Scan started: bus 1, ecu 7e4, rxid 7ec-7ec, polltype 22, PID dd00-de00 (step 1), timeout 3 seconds
> I (804831) webcommand: HttpCommandStream[0x3f8d76b0]: 3317288 bytes 
> free, executing: re obdii scan start 1 7e4 dd00 de00 -r7ec
> I (810981) re-pid: Scan of 7e4 complete
> I (817271) webserver: HTTP POST /api/execute
> *OVMS#*  re obdii scan status
> Scan complete (7e4 dd00-de00)
> Scan started : 2024-10-30 17:46:53 EDT
> Last response: 2024-10-30 17:46:53 EDT
> 7e4[7ec]:dd00 70 e8 79 bb
> 7e4[7ec]:dd01 01 1c f8
> 7e4[7ec]:dd02 3a
> 7e4[7ec]:dd04 3d
> 7e4[7ec]:dd05 3a
> 7e4[7ec]:dd06 e7
> 7e4[7ec]:dd08 00
> 7e4[7ec]:dd09 00
> I (817271) webcommand: HttpCommandStream[0x3f8d7350]: 3314968 bytes 
> free, executing: re obdii scan status
> I (821941) webserver: HTTP POST /api/execute
> I (821941) webcommand: HttpCommandStream[0x3f8d7414]: 3318624 bytes 
> free, executing: obdii can1 request device 7E4 7EC 22dd00
> *OVMS#*  obdii can1 request device 7E4 7EC 22dd00
> 7e4[7ec] 22dd00: ERROR: transmission failure (CAN bus error)
> Didier
>
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-- 
Michael Balzer * Am Rahmen 5 * D-58313 Herdecke
Fon 02330 9104094 * Handy 0176 20698926

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