<div dir="auto">Also, all the command status displays should probably be in user units. There is already stuff there to check for miles/km... But that becomes simpler.<div dir="auto"><br></div><div dir="auto">For example:</div><div dir="auto"><br></div><div dir="auto"><div dir="auto"><span style="background-color:rgb(165,214,167)"><font color="#f44336">Not charging</font></span></div><div dir="auto"><span style="background-color:rgb(165,214,167)"><font color="#f44336">SOC: 895.0‰</font></span></div><div dir="auto"><span style="background-color:rgb(165,214,167)"><font color="#f44336">Ideal range: 245M</font></span></div><div dir="auto"><span style="background-color:rgb(165,214,167)"><font color="#f44336">Est. range: 253M</font></span></div><div dir="auto"><span style="background-color:rgb(165,214,167)"><font color="#f44336">ODO: 6754.9M</font></span></div><div dir="auto"><span style="background-color:rgb(165,214,167)"><font color="#f44336">CAC: 974.7Ah</font></span></div><div dir="auto"><span style="background-color:rgb(165,214,167)"><font color="#f44336">SOH: 1000‰</font></span></div><div dir="auto"><br></div><div dir="auto">I mean not my choice of units... But you can! </div><div dir="auto"><br></div><div dir="auto">Michael </div></div><div dir="auto"><br></div><div dir="auto"><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, 15 Nov 2022, 8:26 am Michael Geddes, <<a href="mailto:frog@bunyip.wheelycreek.net">frog@bunyip.wheelycreek.net</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div dir="ltr">If you're ok with the [default] option I'll stick with that. I mean in some ways it would be nice to have a button choice</div><div dir="ltr">metric | usa | europe | asia | custom etc and I kind of considered something like that but figured it's only a handful of choices.. and it's an embedded device.. so simpler is better.</div><div dir="ltr"><br></div><div>On a related note - I was thinking how it would be nice if the dashboard (etc) had access to the 'user' units, so went hunting down that little rabbit hole. Quite a nice mechanism with the web socket updating the "metrics" object in the UI. </div><div>This is a snippet of one idea, which is that for any metric that has the possibility of a user unit, we set the extra values of the metric with '#unit' and '#user' appended - see below. (I've chosen '#' arbitrarily.. but it could be '/' or ':' or '>' but maybe not '.' )</div><br>v.p.odometer#unit: "M"<br>v.p.odometer#user: 6754.91<br>v.p.satcount: 13<br>v.p.speed: 0<br>v.p.speed#unit: "km/h"<br>v.p.speed#user: null<br><b>v.p.trip: 28</b><br><b>v.p.trip#unit: "M"<br>v.p.trip#user: 17.3984</b><div><br></div><div>Then we can use this in the dials to populate the values and captions! (not that I like Miles).</div><div>I</div><div><div><br></div><div><img src="cid:ii_lahgu3ib1" alt="image.png" width="217" height="136"><br></div><div><br></div><div>The other (similar) way was to have something like the following:</div><div>"v.p.trip#user" : { "value": 17.3984, "unit": "M" }</div><div>It wouldn't make the total message any shorter.. soo.. dunno.</div><div><br></div><div>There's also some complications with setting up the dials (for min/max values) - like for the speed.</div><div><br></div><div>Notice also that I'm returning null for undefined values. It's nice - but I'm not sure how javascript handles null when used / printed etc.</div><div><br></div><div>//.ichael</div><div><br></div><div><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sun, 13 Nov 2022 at 21:06, Michael Balzer <<a href="mailto:dexter@expeedo.de" target="_blank" rel="noreferrer">dexter@expeedo.de</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div>
Michael,<br>
<br>
looks good.<br>
<br>
I think having an explicit 'default' option is better than taking
the 'Metric' equivalent for that, as in your example you already
show unit alternatives within the metric system to support different
scalings (kW / W, kWh / Wh). (Btw… waiting for someone to miss
Horsepower & BTU here ;-))<br>
<br>
@Patrick, I think that also answers your implicit question:<br>
<blockquote type="cite">
<pre>The default button makes it unclear what the actual setting is.
</pre>
</blockquote>
<br>
The default (native unit) is always metric, but you may have a mix
of scalings, as we try to find the one that fits best for the given
application when defining a metric. For example the current driving
energy consumption is stored natively in Wh/km, while the energy
used or regenerated is in kWh, and the odometer & trip counters
are in km, while the altitude ist in m.<br>
<br>
Regards,<br>
Michael<br>
<br>
<br>
<div>Am 13.11.22 um 08:42 schrieb Michael
Geddes:<br>
</div>
<blockquote type="cite">
<div dir="ltr">Greetings,<br>
<div>so this is my idea of being able to select which units
various groups use (in addition to Distance).</div>
<div>This can be then accessed by the special 'user' unit code.
(or 'metrics list -u ' )</div>
<div>The idea of [Default] selection below simply means storing
the value to blank - meaning use whatever unit the particular
metric uses. The other idea I had was to actually default it
to the equivalent of 'Metric' special unit code and not have
the [Default] button.</div>
<div><br>
</div>
<div><br>
</div>
<img src="cid:184789cf1d8cb971f161" alt="image.png" width="472" height="395"><br>
<div><br>
</div>
<div>Currently I've made it so that if there are more than 3
choices other than [default] that it uses the choice/combo box
rather than the Radio buttons. (ie this list is auto-generated
from the Metric Units table and the Metric Groups table).</div>
<div><br>
</div>
<div>Thoughts / comments?</div>
<div><br>
</div>
<div>//.ichael </div>
</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Sat, 12 Nov 2022 at 17:35,
Michael Geddes <<a href="mailto:frog@bunyip.wheelycreek.net" target="_blank" rel="noreferrer">frog@bunyip.wheelycreek.net</a>>
wrote:<br>
</div>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div dir="ltr">
<div dir="ltr"><a href="https://github.com/openvehicles/Open-Vehicle-Monitoring-System-3/pull/771" target="_blank" rel="noreferrer">https://github.com/openvehicles/Open-Vehicle-Monitoring-System-3/pull/771</a><br>
<div><br>
</div>
<div>I'm hoping this P/R is ok in this form (made of 5
separate commits).</div>
<div><br>
</div>
<div>I will have a look at implementing the "user" unit
code. The base for how it would work is already a part
of the above pull request. I'll just look at the module
configuration for distance.</div>
<div><br>
</div>
<div>The 'power consumption' is one where it's not just a
check-box.. there're 5 possible choice!</div>
<div><br>
</div>
<div>I should also add 'bar' for pressure given that for
some reason that's still a thing people want.</div>
<div><br>
</div>
<div>//.ichael</div>
</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Sat, 12 Nov 2022 at
16:24, Michael Balzer <<a href="mailto:dexter@expeedo.de" target="_blank" rel="noreferrer">dexter@expeedo.de</a>>
wrote:<br>
</div>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div> I think this is pretty decent & complete now.<br>
<br>
I also like the approach of the 'user' unit code.
Moving all user unit prefs into the module
configuration is an old todo. Currently only the
distance unit is defined at the module side,
temperature and pressure are App prefs.<br>
<br>
Regards,<br>
Michael<br>
<br>
<br>
<div>Am 11.11.22 um 09:54 schrieb Michael Geddes:<br>
</div>
<blockquote type="cite">
<div dir="ltr">Ok - so here's what I have
implemented for Duktape and Metrics. (I added
IsDefined() as well).
<div>Any thoughts on this?<br>
<div><br>
<div>Noting</div>
<div> OvmsMetrics.Float( {metric} ) ->
Outputs metric as float (same)</div>
<div> OvmsMetrics.Float( {metric}, {unit})
-> Outputs metric as float converted to
given unit (new)</div>
<div> OvmsMetrics.Value( {metric} ) ->
Outputs Metric in native value (same)</div>
<div> OvmsMetrics.Value( {metric} , false)
-> Outputs Metric as string and no units
(same) </div>
OvmsMetrics.Value( {metric} , {unit})
-> Outputs Metric converted to given unit
as native value. (new)
<div> OvmsMetrics.Value( {metric} , {unit},
false ) -> Outputs Metric converted to
given unit as string including any unit
specifier. (new)
<div>also OvmsMetric.GetValues( {metric}
[,{unit}] [, {converted} ] ) Adds similar
behaviour to Value() above.</div>
<div>also the special units '<b>imperial</b>'
and '<b>metric</b>' will convert to the
associated imperial / metric version of
the units as appropriate.</div>
<div><br>
<div><font face="monospace">(function() {<br>
dump = function (metric) { print(
metric+ " ["+(typeof metric)+"]\n" );
}<br>
dump_obj = function (obj ) {<br>
print('--- Object ----\n')<br>
for (var k in obj) {<br>
xk = obj[k];<br>
print( k+':'+ xk + ' ['+typeof
xk+ "]\n");<br>
}<br>
}<br>
dump(OvmsMetrics.Value("xiq.v.trip.consumption"));<br>
dump(OvmsMetrics.Value("xiq.v.trip.consumption",
false));<br>
dump(OvmsMetrics.Value("xiq.v.trip.consumption","kmpkwh"));<br>
dump(OvmsMetrics.Value("xiq.v.trip.consumption",
"mipkwh", false));<br>
dump(OvmsMetrics.AsFloat("xiq.v.trip.consumption"));<br>
dump(OvmsMetrics.AsFloat("xiq.v.trip.consumption","kmpkwh"));<br>
dump(OvmsMetrics.Value("xiq.v.trip.consumption","imperial"))<br>
dump(OvmsMetrics.Value("xiq.v.trip.consumption","imperial",
false))<br>
dump_obj(OvmsMetrics.GetValues("trip",
"metric"))<br>
dump_obj(OvmsMetrics.GetValues("trip",
"imperial", false))<br>
})();<br>
</font></div>
<div><br>
</div>
<div>With this output:</div>
<div>
<div>
<pre id="m_-7368944095912544575m_8405494616978842232m_-5904723395924573806m_1733173679174480992m_-138117451584655546m_5484224439251412587gmail-output" style="box-sizing:border-box;overflow:auto;font-family:ui-monospace,"Cascadia Mono","Segoe UI Mono",Hack,"Source Code Pro","Roboto Mono",Menlo,Monaco,Consolas,monospace;font-size:13px;padding:9.5px;margin-top:0px;margin-bottom:10px;line-height:1.42857;color:rgb(0,34,0);word-break:break-all;background-color:rgb(245,245,245);border:1px solid rgb(204,204,204);border-radius:4px;height:406px;white-space:pre-wrap">19.2308 [number]
19.2308 [string]
5.2 [number]
3.23112mi/kWh [string]
19.2308 [number]
5.2 [number]
309.49 [number]
309.49Wh/mi [string]
--- Object ----
v.p.trip:13 [number]
xiq.e.trip:0 [number]
xiq.e.trip.energy.recuperated:0 [number]
xiq.e.trip.energy.used:0 [number]
xiq.v.trip.consumption:19.2308 [number]
--- Object ----
v.p.trip:8.07781M [string]
xiq.e.trip:0M [string]
xiq.e.trip.energy.recuperated:0kWh [string]
xiq.e.trip.energy.used:0kWh [string]
xiq.v.trip.consumption:309.49Wh/mi [string]</pre>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Wed, 9 Nov
2022 at 05:47, Michael Geddes <<a href="mailto:frog@bunyip.wheelycreek.net" target="_blank" rel="noreferrer">frog@bunyip.wheelycreek.net</a>>
wrote:<br>
</div>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div dir="ltr">Yeah - I like HasValue. I
implemented IsDefined() but I will rename it..
that's a much clearer name.
<div><br>
</div>
<div>Another thought. How about if we did this
(but also with GetValues() as well - see the
special values below) </div>
<div><br>
<div>OvmsMetrics.Value("xiq.v.trip.consumption",
true) -> <span style="background-color:rgb(245,245,245);color:rgb(0,34,0);font-family:ui-monospace,"Cascadia Mono","Segoe UI Mono",Hack,"Source Code Pro","Roboto Mono",Menlo,Monaco,Consolas,monospace;font-size:13px;white-space:pre-wrap">17.0582</span><span style="background-color:rgb(245,245,245);color:rgb(0,34,0);font-family:ui-monospace,"Cascadia Mono","Segoe UI Mono",Hack,"Source Code Pro","Roboto Mono",Menlo,Monaco,Consolas,monospace;font-size:13px;white-space:pre-wrap"> (Number)</span><br>
</div>
<div>
<div>OvmsMetrics.Value("xiq.v.trip.consumption",
false) -> <span style="background-color:rgb(245,245,245);color:rgb(0,34,0);font-family:ui-monospace,"Cascadia Mono","Segoe UI Mono",Hack,"Source Code Pro","Roboto Mono",Menlo,Monaco,Consolas,monospace;font-size:13px;white-space:pre-wrap">17.0582</span><span style="background-color:rgb(245,245,245);color:rgb(0,34,0);font-family:ui-monospace,"Cascadia Mono","Segoe UI Mono",Hack,"Source Code Pro","Roboto Mono",Menlo,Monaco,Consolas,monospace;font-size:13px;white-space:pre-wrap"> (String)</span></div>
</div>
</div>
<div>OvmsMetrics.Value("xiq.v.trip.consumption",
"mipkwh", true) -> <span style="background-color:rgb(245,245,245);color:rgb(0,34,0);font-family:ui-monospace,"Cascadia Mono","Segoe UI Mono",Hack,"Source Code Pro","Roboto Mono",Menlo,Monaco,Consolas,monospace;font-size:13px;white-space:pre-wrap">3.64264</span><span style="background-color:rgb(245,245,245);color:rgb(0,34,0);font-family:ui-monospace,"Cascadia Mono","Segoe UI Mono",Hack,"Source Code Pro","Roboto Mono",Menlo,Monaco,Consolas,monospace;font-size:13px;white-space:pre-wrap"> (Number)</span><br>
</div>
<div>OvmsMetrics.Value("xiq.v.trip.consumption",
"mipkwh", false) -> <span style="background-color:rgb(245,245,245);color:rgb(0,34,0);font-family:ui-monospace,"Cascadia Mono","Segoe UI Mono",Hack,"Source Code Pro","Roboto Mono",Menlo,Monaco,Consolas,monospace;font-size:13px;white-space:pre-wrap">3.64264Mi/kWh</span><span style="background-color:rgb(245,245,245);color:rgb(0,34,0);font-family:ui-monospace,"Cascadia Mono","Segoe UI Mono",Hack,"Source Code Pro","Roboto Mono",Menlo,Monaco,Consolas,monospace;font-size:13px;white-space:pre-wrap"> (String)</span><br>
</div>
<div> OvmsMetrics.Value("xiq.v.trip.consumption",
"native", false) -> <span style="font-size:13px;background-color:rgb(245,245,245);color:rgb(0,34,0);font-family:ui-monospace,"Cascadia Mono","Segoe UI Mono",Hack,"Source Code Pro","Roboto Mono",Menlo,Monaco,Consolas,monospace;white-space:pre-wrap">17.0582km/kWh</span><span style="font-size:13px;background-color:rgb(245,245,245);color:rgb(0,34,0);font-family:ui-monospace,"Cascadia Mono","Segoe UI Mono",Hack,"Source Code Pro","Roboto Mono",Menlo,Monaco,Consolas,monospace;white-space:pre-wrap"> (String)</span> </div>
<div><br>
</div>
<div>and</div>
<div>
<div>OvmsMetrics.Value("xiq.v.trip.consumption",
"imperial", false) -> <span style="background-color:rgb(245,245,245);color:rgb(0,34,0);font-family:ui-monospace,"Cascadia Mono","Segoe UI Mono",Hack,"Source Code Pro","Roboto Mono",Menlo,Monaco,Consolas,monospace;font-size:13px;white-space:pre-wrap">3.64264Mi/kWh</span><span style="background-color:rgb(245,245,245);color:rgb(0,34,0);font-family:ui-monospace,"Cascadia Mono","Segoe UI Mono",Hack,"Source Code Pro","Roboto Mono",Menlo,Monaco,Consolas,monospace;font-size:13px;white-space:pre-wrap"> (String)</span><br>
</div>
</div>
<div><br>
</div>
<div>I have already implemented the special
values 'native' (existing), 'imperial' and
'metric'. </div>
<div><br>
</div>
<div>I was also thinking that in the future
you could have 'user'. Where for each group
of values:</div>
<div>'temperature', 'distance',
'shortdistance', 'power' etc.. you could
have a user preference. I probably won't
implement it now,.but it could be cool that
any UI could just ask for the user defined
units (rather than having a separate
choice).</div>
<div><br>
</div>
<div><br>
</div>
<div><br>
</div>
<div>//.ichael</div>
</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Tue, 8
Nov 2022 at 21:57, Mark Webb-Johnson <<a href="mailto:mark@webb-johnson.net" target="_blank" rel="noreferrer">mark@webb-johnson.net</a>>
wrote:<br>
</div>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div>
<div dir="ltr" style="color:rgb(0,0,0)">Or
perhaps something more specific?</div>
<div dir="ltr" style="color:rgb(0,0,0)"><br>
</div>
<div dir="ltr" style="color:rgb(0,0,0)">
HasValue()</div>
<div dir="ltr" style="color:rgb(0,0,0)"><br>
</div>
<div dir="ltr" style="color:rgb(0,0,0)">Mark</div>
<div><br>
<blockquote type="cite">
<div>On 8 Nov 2022, at 9:01 PM,
Michael Balzer <<a href="mailto:dexter@expeedo.de" target="_blank" rel="noreferrer">dexter@expeedo.de</a>>
wrote:</div>
<br>
<div>
<div>
<div>
<div>Signed PGP part</div>
<div>
<div> That's basically a good
approach, but be aware
'IsDefined()' has an
ambiguous meaning here, as
with the API stem
"OvmsMetrics" it would
naturally be expected to
mean "is this metric
defined", not "does this
metric have a defined
value".<br>
<br>
An undefined metric
currently can be derived
from 'Values()' returning
undefined, but that's more
an undocumented side effect
than intended.<br>
<br>
Maybe 'GetDefined()' could
be a better name, leveraging
this behaviour, i.e.
returning 'undefined' for an
actually undefined metric,
and 'null' for a defined
metric without a value.<br>
<br>
Regards,<br>
Michael<br>
<br>
<br>
<div>Am 08.11.22 um 13:46
schrieb Michael Geddes:<br>
</div>
<blockquote type="cite">
<div dir="ltr">
<div>Ah yes. Arrays -
will check those.
Yeah, how about we add
a 'IsDefined' method
to metrics instead of
the null thing (it
does sound like it
will upset too many
applecarts).</div>
<div><br>
</div>
<div>//.</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On
Tue, 8 Nov 2022 at
20:35, Michael
Balzer <<a href="mailto:dexter@expeedo.de" target="_blank" rel="noreferrer">dexter@expeedo.de</a>> wrote:<br>
</div>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div> Michael,<br>
<br>
looks all good to
me, once again
nice find with the
decode argument.
Adding decode to
the Value() call
was only for
symmetry IIRC, the
main use was with
GetValues() (<a href="https://docs.openvehicles.com/en/latest/userguide/scripting.html#ovmsmetrics" target="_blank" rel="noreferrer">https://docs.openvehicles.com/en/latest/userguide/scripting.html#ovmsmetrics</a>).<br>
<br>
Don't forget to
test arrays, e.g.
"v.t.pressure"
& "v.t.temp".<br>
<br>
Returning null for
an undefined
metric seems like
a natural choice,
but is a rather
deep change, as
for consistency
not only the
Duktape metrics
API but also the
Web UI metrics API
would need to be
changed
accordingly.
Unless you've got
a real use case
that needs that,
we should be
careful.<br>
<br>
Regards,<br>
Michael<br>
<br>
<br>
<div>Am 07.11.22
um 15:00 schrieb
Michael Geddes:<br>
</div>
<blockquote type="cite">
<div dir="ltr">
<div dir="ltr">I
have figured
out a bunch of
stuff and have
implemented
the following:
(having done
away with
needing
AsFloatUnit)
<div><br>
</div>
<div>OvmsMetrics.Value(
{metric} [,
{decode}])</div>
<div>OvmsMetrics.Value(
{metric},
{unit}
[,{decode}])</div>
<div><br>
</div>
<div>It turns
out that the
[decode] flag
wasn't working
anyway (since
the function
was being
registered as
only having 1
param)...</div>
<div>This way
it is still
really 1
function.. but
I check it the
second
parameter is a
'boolean', and
if not.. try
the second
form. </div>
<div><br>
</div>
<div>OvmsMetrics.AsFloat(
{metric}
[,{unit}] )</div>
<div><br>
</div>
<div>and add
the function</div>
<div><br>
</div>
<div>Ovms.Metrics.ValueUnit(
{metric}
[,{unit}]) </div>
<div>This
prints the
value and the
unit.</div>
<div><br>
</div>
<div>Here's a
sample
function and
the output!
This also
shows the
types of the
output.</div>
<div><br>
</div>
<div><font face="monospace">(function()
{<br>
x =
OvmsMetrics.Value("xiq.v.trip.consumption");<br>
print(
(typeof x) +
": "+ x+"\n"
);<br>
x =
OvmsMetrics.Value("xiq.v.trip.consumption",
false);<br>
print(
(typeof x) +
": "+ x +"\n"
);<br>
x =
OvmsMetrics.Value("xiq.v.trip.consumption","kmpkwh")<br>
print(
(typeof x) +
": "+ x
+"\n");<br>
x =
OvmsMetrics.Value("xiq.v.trip.consumption",
"mipkwh",
false) <br>
print(
(typeof x) +
": "+ x
+"\n");<br>
x =
OvmsMetrics.ValueUnit("xiq.v.trip.consumption")<br>
print(
(typeof x) +
": "+ x
+"\n");<br>
x =
OvmsMetrics.ValueUnit("xiq.v.trip.consumption","mipkwh")<br>
print(
(typeof x) +
": "+ x
+"\n");<br>
x =
OvmsMetrics.AsFloat("xiq.v.trip.consumption")<br>
print(
(typeof x) +
": "+ x
+"\n");<br>
x =
OvmsMetrics.AsFloat("xiq.v.trip.consumption","kmpkwh")<br>
print(
(typeof x) +
": "+ x
+"\n");<br>
})();</font><br>
</div>
<div><br>
</div>
<div>
<pre id="m_-7368944095912544575m_8405494616978842232m_-5904723395924573806m_1733173679174480992m_-138117451584655546m_5484224439251412587m_-6783916119872647666m_7514939671383041717m_-2249740601380801512gmail-output" style="box-sizing:border-box;overflow:auto;font-family:ui-monospace,"Cascadia Mono","Segoe UI Mono",Hack,"Source Code Pro","Roboto Mono",Menlo,Monaco,Consolas,monospace;font-size:13px;padding:9.5px;margin-top:0px;margin-bottom:10px;line-height:1.42857;color:rgb(0,34,0);word-break:break-all;background-color:rgb(245,245,245);border:1px solid rgb(204,204,204);border-radius:4px;height:165px;white-space:pre-wrap">number: 17.0582
string: 17.0582
number: 5.86227
string: 3.64264
string: 17.0582kWh/100km
string: 3.64264mi/kWh
number: 17.0582
number: 5.86227</pre>
</div>
<div><br>
</div>
<div><br>
</div>
<div>It still
might be an
idea to use
'null' as a
return value
if the metrics
is<font face="monospace">
!IsDefined() </font><font face="arial,
sans-serif">but
that would be
changing the
existing
behaviour
slightly.</font></div>
<div><font face="arial,
sans-serif"><br>
</font></div>
<div><font face="arial,
sans-serif">//.ichael</font></div>
<div><br>
</div>
</div>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Mon, 7 Nov 2022 at 08:12, Michael Geddes <<a href="mailto:frog@bunyip.wheelycreek.net" target="_blank" rel="noreferrer">frog@bunyip.wheelycreek.net</a>>
wrote:<br>
</div>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div dir="ltr">I've
worked out
what the
decode flag is
for and how it
works, and I
think how
optional
params work. <br>
<div>I'm
pretty sure I
won't need
the
'AsFloatUnit'
function; the
unit would be
an option to
AsFloat();
I'll know that
soon.</div>
<div><br>
</div>
<div>The
'Value'
function is
more
complicated
because of the
optional
decode bool. I
guess I could
add the Unit
to the end of
that.</div>
<div><br>
</div>
<div>ValueUnit
could be still
useful then to
provide a
'Value +
Unit'.</div>
<div><br>
</div>
<div>Question:
Is there a
reason we
shouldn't be
returning
with <span style="color:rgb(220,220,170);background-color:rgb(30,30,30);font-family:Consolas,"Courier New",monospace;font-size:14px;white-space:pre-wrap">duk_push_null</span>
if the
metric
!IsDefined()
in both
AsFloat() and
Value(metric,true) cases?</div>
<div><br>
</div>
<div>//.ichael</div>
</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Sun, 6 Nov 2022 at 11:22, Michael Geddes <<a href="mailto:frog@bunyip.wheelycreek.net" target="_blank" rel="noreferrer">frog@bunyip.wheelycreek.net</a>>
wrote:<br>
</div>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div dir="ltr">
<div>Right, so
I've
implemented
some stuff
that seems to
work quite
well. <br>
</div>
<div><br>
</div>
<div><a href="https://github.com/openvehicles/Open-Vehicle-Monitoring-System-3/pull/764" target="_blank" rel="noreferrer">https://github.com/openvehicles/Open-Vehicle-Monitoring-System-3/pull/764</a>
should be
ready now
after a couple
of stupid
mistakes
slipped
through.
This
absolutely
needs somebody
to review it
please!
(There's a
reason why
I've converted
some if()'s to
switch() -
which is that
it will be
used in the
follow-up
commit).</div>
<div><br>
</div>
<div>The
commit that
will follow on
from that it
implements the
new Units:
kWh/100km,
km/kWh and
mi/kWh.</div>
<div><br>
</div>
<div>This is a
summary of
what I've
implemented
for scripting
- including
showing the
unit codes I
have so far.
I've
considered a
few things:</div>
<div> *
Should some of
the longer
unit codes be
shortened (eg
mi, mins, m,
ft, deg, perc)</div>
<div> * The
unit codes
could be much
more re<font face="arial,
sans-serif">gular
and separated
by dots eg: </font></div>
<div><font face="arial,
sans-serif">
watthours
-> w.h</font></div>
<div><font face="arial,
sans-serif">
kwhp100km
->
kw.h_100km or
kw.h/100km</font></div>
<div><font face="arial,
sans-serif">
miph
-> mi_h or
mi/h (or
should it be
mph).</font></div>
<div><font face="arial,
sans-serif">
psi
-> <a href="http://p_in.in/" target="_blank" rel="noreferrer">p_in.in</a> or p/<a href="http://in.in/" target="_blank" rel="noreferrer">in.in</a> or <a href="http://lb_in.in/" target="_blank" rel="noreferrer">lb_in.in</a> (yes, slightly
weird, but
predictable)</font></div>
<div><font face="arial,
sans-serif"> </font><br>
</div>
<b style="font-family:monospace">OVMS#
metric units</b><br>
<font face="monospace">
km :
km</font><br>
<font face="monospace">
miles : M</font><br>
<font face="monospace">
meters : m</font><br>
<font face="monospace">
feet :
ft</font><br>
<font face="monospace">
celcius :
°C</font><br>
<font face="monospace">
fahrenheit :
°F</font><br>
<font face="monospace">
kpa :
kPa</font><br>
<font face="monospace">
pa :
Pa</font><br>
<font face="monospace">
psi :
psi</font><br>
<font face="monospace">
volts : V</font><br>
<font face="monospace">
amps : A</font><br>
<font face="monospace">
</font>amphours<font face="monospace"> : Ah</font><br>
<font face="monospace">
kw :
kW</font><br>
<font face="monospace">
kwh :
kWh</font><br>
<font face="monospace">
watts : W</font><br>
<font face="monospace">
</font>watthours<font face="monospace"> : Wh</font><br>
<font face="monospace">
seconds :
Sec</font><br>
<font face="monospace">
minutes :
Min </font><br>
<font face="monospace">
hours :
Hour</font><br>
<font face="monospace">
utc :
UTC</font><br>
<font face="monospace">
degrees : °</font><br>
<font face="monospace">
kmph :
km/h</font><br>
<font face="monospace">
</font>miph<font face="monospace"> : Mph</font><br>
<font face="monospace">
</font>kmphps<font face="monospace"> : km/h/s</font><br>
<font face="monospace">
</font>miphps<font face="monospace"> : Mph/s</font><br>
<font face="monospace">
mpss :
m/s²</font><br>
<font face="monospace">
dbm :
dBm</font><br>
<font face="monospace">
sq :
sq</font><br>
<font face="monospace">
percent : %</font><br>
<font face="monospace">
whpkm :
Wh/km</font><br>
<font face="monospace">
</font>whpmi<font face="monospace"> : Wh/mi</font><br>
<font face="monospace">
kwhp100km :
kWh/100km</font><br>
<font face="monospace">
</font>kmpkwh<font face="monospace"> : km/kWh</font><br>
<font face="monospace">
</font>mipkwh<font face="monospace"> : mi/kWh</font><br>
<font face="monospace">
nm :
Nm</font><br>
<font face="monospace"><br>
<b>OVMS#
metric unit mi</b><br>
miles :
M<br>
minutes :
Min<br>
miph :
Mph<br>
miphps :
Mph/s<br>
whpmi :
Wh/mi<br>
mipkwh :
mi/kWh</font><br>
<br>
<b style="font-family:monospace">OVMS#
metric get
xiq.v.trip.consumption<br>
</b><font face="monospace">17.0597kWh/100km</font><br>
<b style="font-family:monospace">OVMS#
metric get
xiq.v.trip.consumption
kpkwh<br>
</b><font face="monospace">5.86177km/kWh</font><br>
<b style="font-family:monospace">OVMS#
metric get
xiq.v.trip.consumption
mpkwh<br>
</b><font face="monospace">3.64233mi/kWh</font><br>
<br>
<b style="font-family:monospace">OVMS#
metric set
xiq.c.speed 5
miph<br>
</b><font face="monospace">Metric
set</font><br>
<b style="font-family:monospace">OVMS#
metric get
xiq.c.speed<br>
</b><font face="monospace">8.04673km/h</font><br>
<b style="font-family:monospace">OVMS#
metric get
xiq.c.speed
miph<br>
</b><font face="monospace">5Mph</font><br>
<br>
<font face="arial,
sans-serif">And
then in
DukTape -
there are some
questions I
have about the
implementation:</font>
<div><font face="arial,
sans-serif">*
Names of
functions?
Better ideas? </font></div>
<div><font face="arial,
sans-serif">*
Should
ValueUnit
output the
units?</font></div>
<div><font face="arial,
sans-serif">*
In Value()
there is the
line </font>
bool decode =
duk_opt_boolean(ctx, 1, true);</div>
<div> *
What does
'decode' mean
here?</div>
<div> * Do
I need it for
ValueUnit() ?</div>
<div><br>
<div><b><br>
<font face="monospace">(function()
{</font><br>
<font face="monospace">
print(
OvmsMetrics.Value("xiq.v.trip.consumption"));</font><br>
<font face="monospace">
print("\n")</font><br>
<font face="monospace">
print(
OvmsMetrics.ValueUnit("xiq.v.trip.consumption",""));</font><br>
<font face="monospace">
print("\n")</font><br>
<font face="monospace">
print(
OvmsMetrics.ValueUnit("xiq.v.trip.consumption","</font>mipkwh<font face="monospace">"));</font><br>
<font face="monospace">
print("\n")</font><br>
<br>
<font face="monospace">
print(
OvmsMetrics.AsFloatUnit("xiq.v.trip.consumption","</font>kmpkwh<font face="monospace">"));</font><br>
<font face="monospace">})();</font></b><br>
<font face="monospace">---
Output ---</font><br>
<font face="monospace">17.0597</font><br>
<font face="monospace">17.0597kWh/100km</font><br>
<font face="monospace">3.64233mi/kWh</font><br>
<font face="monospace">5.86177</font><br>
<font face="monospace">------</font><br>
<br>
</div>
</div>
<div>The basic
stuff all
works - it's
just quibbling
over the
details.. but
let's get them
right!</div>
<div><br>
</div>
<div>//.ichael</div>
</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Sat, 5 Nov 2022 at 20:09, Michael Geddes <<a href="mailto:frog@bunyip.wheelycreek.net" target="_blank" rel="noreferrer">frog@bunyip.wheelycreek.net</a>>
wrote:<br>
</div>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div dir="ltr">
<div>Yeah -
this was
copied code
from kia/kona
and is what
triggered
these ideas; I
totally agree
this shouldn't
be doubled up
on.</div>
<div><br>
</div>
<div>I've got
some commits
centred round
Metrics that
I'll just
check over and
push up ...
and then I'll
just have the
single <span style="font-family:monospace">xiq.v.</span><span style="font-family:monospace">trip.consumption </span>metric (unless you
have some
ideas for the
namespace)
which will be
much neater.</div>
<div><br>
</div>
<div>If it's
ok with you
then I might
do that unit
conversion
proposal.</div>
<div>Would it
ok if the unit
specifications
were the same
as to the
programatic codes
in
ovms_metrics.h?</div>
<div>(kWh,
WattHours
, MetersPSS ) </div>
<div>I would
probably add a
command</div>
<div><font face="monospace">metric
units</font>
<spec> <br>
</div>
<div>to list
all (matching)
units and
their
associated
Labels.</div>
<div><br>
</div>
<div>//.ichael </div>
<div><br>
</div>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Sat, 5 Nov 2022 at 18:48, Michael Balzer <<a href="mailto:dexter@expeedo.de" target="_blank" rel="noreferrer">dexter@expeedo.de</a>>
wrote:<br>
</div>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div> Michael,<br>
<br>
adding unit
conversion
support to the
shell and
Duktape
commands is a
good idea.<br>
<br>
Metrics are
not meant to
provide a user
interface,
they should be
defined to be
efficient and
non-redundant.<br>
<br>
Btw, metrics
names also
shall not use
upper case
characters,
and shall only
use "." as a
separator.<br>
<br>
Regards,<br>
Michael<br>
<br>
<br>
<div>Am
05.11.22 um
11:22 schrieb
Michael
Geddes:<br>
</div>
<blockquote type="cite">
<div dir="ltr">Hi
all,<br>
<div>Some of
the code I
copied from
Kona/Kia code
had both
kwh/100km and
km/kwh metrics
in the code as
'Other'. </div>
<div>Adding
the various
power
consumption
Units is not
particularly
hard (I will
have a
pull-request
soon) - though
the
conversions
between them
all required
some thought!</div>
<div>... but
it also made
me think these
two metrics
that are (with
the
consumption
units added)
defined like
this: </div>
<div><font face="monospace">m_v_trip_consumption1
=
MyMetrics.InitFloat("xiq.v.trip.consumption.KWh/100km",
10, 0,
kWHP100K);<br>
m_v_trip_consumption2 = MyMetrics.InitFloat("<a href="http://xiq.v.trip.consumption.km/kWh" target="_blank" rel="noreferrer">xiq.v.trip.consumption.km/kWh</a>",
10, 0, kPkWH);<br>
</font></div>
<div><br>
</div>
<div>These are
effectively
the same
metric but in
different
units!</div>
<div>I'm
wondering if
we would be
better to have
scripting and
Duktape
support for
converting
metrics to
different
unit! This
might be also
quite useful
for those
strange
countries that
insist on
using miles as
a measurement.</div>
<div><br>
</div>
<div>On top of
the 'metric
list' and
'metric set'
we could add a
'metric get'
which gets a
single value..
and add unit
support for
get/set.</div>
<div><br>
</div>
<div>I've also
got a pull
request that
improves the
precision of
the
km<->mi
conversions
and factors it
out.</div>
<div><br>
</div>
<div>//.ichael</div>
</div>
<br>
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