[Ovmsdev] What happened to TPMS?
Chris van der Meijden
chris at arachnon.de
Thu Apr 23 02:34:32 HKT 2020
Hi all
I would like to point to this thread:
http://lists.openvehicles.com/pipermail/ovmsdev/2020-March/006730.html
The code for TMPS has been changed for vehicles that don't support TPMS
Regards
Chris
Am Mittwoch, den 22.04.2020, 11:23 -0700 schrieb Greg D.:
> Ok... So the module updated to EAP last night, as expected. The
> display (screen shot) shows zeros for Ambient, Charger/PEM,
> Motor,
> and battery; 12v is live, as is the odometer. TPMS is missing.
> Is
> there a reason that the bulk of the metrics aren't read? Are
> they
> not present on the CAN bus, or is the module explicitly not
> watching
> for them until the car wakes up?
>
>
>
> If I wake the car up, Ambient, Charger/PEM, motor, and battery
> are
> immediately updated, but TPMS is still missing.
>
>
>
> For consistency and less confusion, I would like for the TPMS to
> be
> populated in both screen shots, and showing zeros until the car
> is
> driven. And by "consistency" I do NOT mean "remove the other
> metrics too". I'm trying to be careful what I wish for...
>
>
>
> When I put it in Drive for a few minutes, the TPMS icons do
> appear
> with live data. I'll let the car sit for a few days, and see
> what
> happens to the display. What I expect is that they will remain
> present, even if not live.
>
>
>
> Greg
>
>
>
>
>
> Greg D wrote:
>
>
>
>
> >
> > Ok, EAP is set. Let's see what happens at 2am...
> >
> >
> >
> > Greg
> >
> >
> >
> >
> >
> > On April 21, 2020 11:05:01 PM PDT, Mark
> > Webb-Johnson <mark at webb-johnson.net> wrote:
> >
> > > I think best to move to EAP and see if that improves
> > > the
> > > situation. On ‘edge’, you will be getting an update
> > > (and
> > > reboot) once every night or two.
> > >
> > >
> > >
> > > Regards, Mark.
> > >
> > >
> > >
> > >
> > > > On 22 Apr 2020, at 12:58 PM, Greg D. <gregd2350
> > > > @gmail.com>
> > > > wrote:
> > > >
> > > >
> > > >
> > > >
> > > > Hi
> > > > Mark,
> > > >
> > > >
> > > >
> > > > Yes, I understand that. Not expecting such
> > > > a
> > > > dramatic change as saving data in NV RAM.
> > > > The end
> > > > user presumably won't have their module
> > > > rebooting
> > > > very often, so this isn't worth trying to
> > > > save stuff
> > > > across reboots.
> > > >
> > > >
> > > >
> > > > I'm trying think back to when the behavior
> > > > started
> > > > to change. It might have been when I moved
> > > > off the
> > > > Main branch to Edge because of the bug with
> > > > OBD2ECU
> > > > CAN initialization, so module reboots are
> > > > far more
> > > > frequent. I'm tempted to get back on Main,
> > > > or at
> > > > least EAP, but I'm also vaguely remembering
> > > > that
> > > > there was a change related specifically to
> > > > "stale"
> > > > data that put a lot of data out of reach
> > > > for a day.
> > > > This latest UI behavior change was the
> > > > straw that
> > > > caused me to write.
> > > >
> > > >
> > > >
> > > > It seems like populating data takes a lot
> > > > longer now
> > > > than, say, 6 months ago. Did something
> > > > change a
> > > > while back that has led to this? Part of
> > > > the
> > > > puzzle, perhaps, is that we have two moving
> > > > pieces,
> > > > the Module and the App. I'm on Android, if
> > > > that
> > > > matters.
> > > >
> > > >
> > > >
> > > > Greg
> > > >
> > > >
> > > >
> > > >
> > > >
> > > > Mark Webb-Johnson
> > > > wrote:
> > > >
> > > >
> > > >
> > > > >
> > > > > Greg,
> > > > >
> > > > >
> > > > >
> > > > > I think the issue you have is that
> > > > > after a firmware update the module
> > > > > will reboot.
> > > > > That will mean it will lose the
> > > > > metrics for
> > > > > TPMS.
> > > > >
> > > > >
> > > > >
> > > > > Those metrics won’t come back until
> > > > > the car has been driven.
> > > > >
> > > > >
> > > > >
> > > > > I don’t see a simple solution. We
> > > > > could address it in v2 protocol by
> > > > > not sending
> > > > > the tpms message unless the metrics
> > > > > are defined,
> > > > > but that might still mess up the
> > > > > stale
> > > > > indicator. That wouldn’t affect the
> > > > > individual
> > > > > metrics and v3 protocol we are trying
> > > > > to move to
> > > > > for the future.
> > > > >
> > > > >
> > > > >
> > > > > There is a small amount of RTC ram
> > > > > that is retained through a reboot.
> > > > > Perhaps we
> > > > > could have a mechanism to
> > > > > save+restore certain
> > > > > metrics there? But not at all simple.
> > > > >
> > > > >
> > > > >
> > > > > Regards, Mark.
> > > > >
> > > > >
> > > > >
> > > > >
> > > > > > On 22 Apr 2020, at 11:07 AM,
> > > > > > Greg D. <gregd2350 at gmail.com>
> > > > > > wrote:
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > > Hi Mark, Michael,
> > > > > >
> > > > > >
> > > > > >
> > > > > > I am on Edge, and it
> > > > > > updated 2am local
> > > > > > on the 20th (2 days ago).
> > > > > >
> > > > > > Firmware: 3.2.011-13-
> > > > > > g7d83320/ota_0/edge
> > > > > > (build idf v3.3-beta3-775-
> > > > > > gdc1ca69 Apr
> > > > > > 20 2020 15:10:37). The app
> > > > > > is 3.16.1
> > > > > > (2020031801).
> > > > > >
> > > > > >
> > > > > >
> > > > > > I just put the car in Drive
> > > > > > for a few
> > > > > > minutes, and all the stats
> > > > > > got
> > > > > > populated. The car is off
> > > > > > and sleeping
> > > > > > now, so I'll check it again
> > > > > > in the
> > > > > > morning.
> > > > > >
> > > > > >
> > > > > >
> > > > > > Greg
> > > > > >
> > > > > >
> > > > > >
> > > > > > p.s. Just saw your EAP
> > > > > > announcement.
> > > > > > With the 3.2.012 code
> > > > > > coming, it will be
> > > > > > interesting to see what
> > > > > > happens after
> > > > > > the reset. I'll let you
> > > > > > know!
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > > Mark
> > > > > > Webb-Johnson wrote:
> > > > > >
> > > > > >
> > > > > >
> > > > > > >
> > > > > > > Greg,
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > > What firmware version
> > > > > > > are you running in
> > > > > > > the module? If
> > > > > > > EAP/MAIN 3.2.011, can
> > > > > > > you try
> > > > > > > updating to the edge
> > > > > > > release? I
> > > > > > > suspect you are
> > > > > > > seeing the bug with
> > > > > > > 3.2.011 and the TPMS
> > > > > > > protocol v2
> > > > > > > message.
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > > Regards, Mark.
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > > > On 22 Apr 2020,
> > > > > > > > at
> > > > > > > > 4:09 AM, Greg
> > > > > > > > D. <gregd2350 at gmail.com>
> > > > > > > > wrote:
> > > > > > > >
> > > > > > > >
> > > > > > > >
> > > > > > > >
> > > > > > > >
> > > > > > > > Hi folks,
> > > > > > > >
> > > > > > > >
> > > > > > > >
> > > > > > > > So, I seem
> > > > > > > > to be going
> > > > > > > > backwards
> > > > > > > > with OVMS and my
> > > > > > > > Tesla
> > > > > > > > Roadster...
> > > > > > > >
> > > > > > > >
> > > > > > > >
> > > > > > > > I'm looking
> > > > > > > > at the OVMS app
> > > > > > > > on my
> > > > > > > > Android phone.
> > > > > > > >
> > > > > > > >
> > > > > > > >
> > > > > > > > Used to be
> > > > > > > > that I'd see the
> > > > > > > > TPMS data -
> > > > > > > > pressure and
> > > > > > > > temperature
> > > > > > > > - as it was the
> > > > > > > > last time
> > > > > > > > the car was
> > > > > > > > driven.
> > > > > > > >
> > > > > > > >
> > > > > > > >
> > > > > > > > Then it
> > > > > > > > turned into zeros.
> > > > > > > >
> > > > > > > >
> > > > > > > >
> > > > > > > > Today I see
> > > > > > > > it's gone
> > > > > > > > altogether.
> > > > > > > > This is not
> > > > > > > > progress.
> > > > > > > >
> > > > > > > >
> > > > > > > >
> > > > > > > > What I want
> > > > > > > > to see is the
> > > > > > > > data from
> > > > > > > > the car, as last
> > > > > > > > it was
> > > > > > > > read. I do not care
> > > > > > > > that it is
> > > > > > > > not live. In
> > > > > > > > fact, if it
> > > > > > > > were live, that
> > > > > > > > would mean
> > > > > > > > that the car is
> > > > > > > > in Drive,
> > > > > > > > which (hopefully)
> > > > > > > > means that
> > > > > > > > I am in my car.
> > > > > > > > If so, I
> > > > > > > > have no
> > > > > > > > use for
> > > > > > > > the OVMS, as
> > > > > > > > the data is
> > > > > > > > sitting right
> > > > > > > > there on
> > > > > > > > the car's display.
> > > > > > > >
> > > > > > > >
> > > > > > > >
> > > > > > > > Is there
> > > > > > > > any way to get the
> > > > > > > > old
> > > > > > > > functionality back?
> > > > > > > >
> > > > > > > >
> > > > > > > >
> > > > > > > > Greg
> > > > > > > >
> > > > > > > >
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