[Ovmsdev] Auto start/init (was Re: Crash / reboot loop with log level Info)

[Michael Balzer]

Greg,

thanks for testing & feedback.

I'm working on the Twizy web UI now. If you'd like to implement the obd2ecu configuration, add it to the obd2ecu module. Have a look at the rt_web module for an
example on how to extend the webserver from another module, it's really easy.

For the PID mapping, I think a tabular form like for the Wifi config would be suitable. You can copy that form as a template, it's in the web_cfg module and
consists of three methods:

  * HandleCfgWifi -- main handler & Javascript
  * OutputWifiTable -- table view
  * UpdateWifiTable -- table controller

The Javascript for adding and deleting table rows can be used for any table form, you just need to change the row template.

Regards,
Michael


Am 04.03.2018 um 04:47 schrieb Greg D.:
> Hi Michael,
>
> Looks good! 
>
> The order for starting the obdii ecu task and the vehicle it draws data from isn't critical; nothing bad will happen if by some chance the OBDII device starts
> requesting information before the vehicle task makes it available.  I suppose, the "most correct" sequence would start the vehicle task, then the obdii ecu
> task, then enable the ext12v power last, but in practice and by design there is no issue with starting any of them in pretty much any order.  Worst case, the
> device it would get zeros if it wins the race, but I catch those internally and prevent the apparent lack of a running ICE engine from causing the device to
> shut down by supplying dummy information.
>
> The only thing missing in the web server, I suppose, would be a way to customize the PID-to-Metric mapping.  I supply a default for the most common ones, but
> there are many more possible if you are using, say, an ELM 327 dongle with Torque-like application.  Changing the mapping is easily done through the shell
> (unless you want to tackle that with the web server too).  'config set obd2ecu.map <pid> <metric>' to set the mapping, and 'obdii ecu list' to display the
> mapping and current values.
>
> Thanks for doing this!
>
> Greg
>
>
> Michael Balzer wrote:
>> Greg,
>>
>> I've just added ext12v and obd2ecu to the auto init system & web config.
>>
>> So except for the metric set command, you should now be able to start your module without a script.
>>
>> The autostart sequence is slightly different from yours, the obd2ecu init is done after the vehicle module init, as I see the vehicle module as the data
>> provider for the obd2ecu module -- correct me if I'm wrong.
>>
>> Can you please verify the start sequence is working as expected?
>>
>> Regards,
>> Michael
>>
>>
>> Am 25.02.2018 um 22:08 schrieb Greg D.:
>>>
>>> Here's my system.start event file:
>>>
>>>     OVMS > vfs cat /store/events/system.start/mystartup
>>>     obdii ecu start can3
>>>     power ext12v on
>>>     wifi mode client gregnet3
>>>     # power simcom on
>>>     vehicle module TR
>>>     server v2 start
>>>     metric set v.b.soc 55
>>>     OVMS >
>>>
>>> (Before you ask, the setting of the soc metric is so that I can see the server is actually talking to the module, when the module's on the bench.)
>>
>> -- 
>> Michael Balzer * Helkenberger Weg 9 * D-58256 Ennepetal
>> Fon 02333 / 833 5735 * Handy 0176 / 206 989 26
>>
>>
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>
>
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-- 
Michael Balzer * Helkenberger Weg 9 * D-58256 Ennepetal
Fon 02333 / 833 5735 * Handy 0176 / 206 989 26

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