[Ovmsdev] Metrics: Cabin Fan

[Michael Balzer]

Jaunius,

generally speaken, a constraint isn't a metric, it's an inherent 
property of the vehicle.

Most metrics have constraints. For example every battery cell voltage 
has a valid range, that depends on the actual chemistry. Metrics are not 
meant to transport these constant properties, they are meant to 
represent dynamic measurements, states and readings.

We had a discussion on the former "capabilities" feature (MP message 
code "V"), that was meant to transport constant vehicle & feature 
support properties of this kind to clients. Currently, clients need to 
know the vehicle specific capabilities & constraints. Capabilities 
messages would formalize these and enable vehicle modules to send them.

You could work on defining a new capabilities mechanism, which is 
extendable to all kinds of properties we do and may need.

Regards,
Michael


Am 05.01.21 um 16:23 schrieb jaunius at gmx.com:
> Hi,
>
> Any toughts on bellow?
>
> New Year Greetings,
> Jaunius
>
> Sent using the GMX mail app
>
> On 2020-11-22 at 14:53, jaunius at gmx.com wrote:
>
>> Hi,
>>
>> I would like to bring back this topic.
>>
>> Back in 2019 we discussed on how the standard metrics for climate and cabin should look like.
>>
>> I remember we initially discussed of adding cabinfan as number of steps, but latter decided to go with percentage. However as it is still better for the user to show the same scale as in car, we need to relay the number of steps available. I added this metric a while to Nissan Leaf. And it works great for me. So would suggest to add it to the standard metrics as well like this.
>>
>> v.e.cabinfansteps [integer] Number of cabin fan speed steps.
>>
>> Kind Regards,
>> Jaunius
>>
>> Sent using the GMX mail app
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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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