[Ovmsdev] MyMetrics - create a metric but don't initialise a value and set modified
steve at telviva.co.za
Sun Jan 17 22:04:33 HKT 2021
Is there an "official" way to Init my private metrics without setting a
value and having them marked modified?
The problem I am trying to solve is that if I do this, for instance:
> mt_i3_range_ecoproplus = MyMetrics.InitInt
("xi3.v.b.range.ecoproplus", SM_STALE_HIGH, 0, Kilometers);
Then "0" is officially published as the range. This is unlikely and messes
up my charts. I'd rather not publish a value until I get one from the car.
I see that the standard metrics are just created with:
> ms_v_bat_range_full = new OvmsMetricFloat(MS_V_BAT_RANGE_FULL,
where V_BAT_RANGE_FULL is "v.b.range.full"
They have no value until they are explicitly set.
So would it be acceptable to rather create my private metrics like that?
I guess then it falls on me to check if the metric already exists - which
is done as part of InitFloat.
So I guess I'd write:
> mt_i3_range_ecoproplus =
> if (mt_i3_range_ecoproplus==NULL) mt_i3_range_ecoproplus = new
OvmsMetricInt("xi3.v.b.range.ecoproplus", SM_STALE_HIGH, Kilometers, 0);
Is this a reasonable approach or am I going about this the wrong way?
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