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    You can first try to scan the ID range 700 - 7FF, as all currently
    known e-Up devices are in that range.<br>
    <br>
    If you scan for unknown devices, you need to try different standard
    requests and check for responses on all CAN IDs, as ISO-TP allows
    devices to respond with arbitrary IDs.<br>
    <br>
    In case of no unknown OBD/ISO-TP responses you may also try doing a
    CANopen scan:<br>
    <a
href="https://docs.openvehicles.com/en/latest/components/canopen/docs/Howto-detect-CANopen-nodes.html">https://docs.openvehicles.com/en/latest/components/canopen/docs/Howto-detect-CANopen-nodes.html</a><br>
    <br>
    …but chances are possibly low VW mixes ISO-TP with CANopen devices
    (Renault does).<br>
    <br>
    Regards,<br>
    Michael<br>
    <br>
    <br>
    <div class="moz-cite-prefix">Am 31.07.20 um 10:54 schrieb Mark
      Webb-Johnson:<br>
    </div>
    <blockquote type="cite"
      cite="mid:B7E0F74A-92EA-4315-9F67-630029A20907@webb-johnson.net">
      <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
      The other suggestion I have is to see if the gateway itself is
      alive for query. If you know the gateway ECU can bus arbitration
      ID (assuming you are not already doing that for polling). Perhaps
      it responds to a normal OBDII standard poll (for things like
      speed, etc), or a UDS style diagnostic query.
      <div class=""><br class="">
      </div>
      <div class="">Regards, Mark.<br class="">
        <div><br class="">
          <blockquote type="cite" class="">
            <div class="">On 31 Jul 2020, at 3:50 PM, Michael Balzer
              <<a href="mailto:dexter@expeedo.de" class=""
                moz-do-not-send="true">dexter@expeedo.de</a>> wrote:</div>
            <br class="Apple-interchange-newline">
            <div class="">
              <meta http-equiv="Content-Type" content="text/html;
                charset=UTF-8" class="">
              <div class=""> Soko,<br class="">
                <br class="">
                you only had the door open, but not turned on the car?
                If there are additional buses, they may be switched off
                until the car is turned on…<br class="">
                <br class="">
                The OBD connector scheme is the general pin assignment,
                I meant the specific VW e-Up schematics. But if you
                don't see any voltages with the car turned on, that's
                bad news.<br class="">
                <br class="">
                There may still be some command interface for the OBD
                gateway to enable live data, but without any info about
                the gateway, it will be hard to even find out how to
                address it.<br class="">
                <br class="">
                Regards,<br class="">
                Michael<br class="">
                <br class="">
                <br class="">
                <div class="moz-cite-prefix">Am 31.07.20 um 09:06
                  schrieb Soko:<br class="">
                </div>
                <blockquote type="cite"
                  cite="mid:d26bd0bc-4f57-d727-1b86-183c030fbbb3@soko.cc"
                  class="">
                  <meta http-equiv="Content-Type" content="text/html;
                    charset=UTF-8" class="">
                  <p class="">Hey guys,</p>
                  <p class="">If I did nothing wrong I have bad news:</p>
                  <p class="">@Michael:<br class="">
                    With OBD port schematics I think you mean this <a
                      class="moz-txt-link-freetext"
href="https://en.wikipedia.org/wiki/On-board_diagnostics#OBD-II_diagnostic_connector"
                      moz-do-not-send="true">https://en.wikipedia.org/wiki/On-board_diagnostics#OBD-II_diagnostic_connector</a><br
                      class="">
                    Specifically if there are some other pins used than
                    the standard CAN pins 6 and 14.<br class="">
                    So I had the drivers door open, no key in ignition
                    and measured the voltages of all pins in relation to
                    pin 5 (signal ground). There is no voltage on any
                    pin besides 2.5V on 6 and 14, and 12V on 16 of
                    course. So there are no hidden CAN buses (or any
                    other signals) afaict.</p>
                  <p class="">@Mark:<br class="">
                    Thanks for the hint with the can log. It's way
                    easier than RE Tools for just checking if there is
                    any traffic.<br class="">
                    Having said that... there is no traffic whatsoever
                    besides what I am polling and the reply. Even when
                    ignition is on I only see the poll and the reply on
                    the can log</p>
                  <p class="">So it seems devmarxx was right: The
                    gateway shields everything and there are even no
                    other hidden signals on the OBD port.</p>
                  <p class="">I'm happy to try any other ideas you guys
                    have. Just let me know!</p>
                  <p class="">Soko<br class="">
                  </p>
                  <div class="moz-cite-prefix"><br class="">
                  </div>
                  <div class="moz-cite-prefix">On 31.07.2020 02:11, Mark
                    Webb-Johnson wrote:<br class="">
                  </div>
                  <blockquote type="cite"
                    cite="mid:9A478EA0-DC29-4367-A25D-9407EAEB2E8F@webb-johnson.net"
                    class="">
                    <meta http-equiv="Content-Type" content="text/html;
                      charset=UTF-8" class="">
                    If you are just looking for traffic on the CAN bus,
                    a simple can log would be the easiest. Assuming you
                    are on USB console, it is:
                    <div class=""><br class="">
                    </div>
                    <blockquote style="margin: 0 0 0 40px; border: none;
                      padding: 0px;" class="">
                      <div class="">OVMS# log level verbose
                        canlog-monitor</div>
                      <div class="">OVMS# can log start monitor crtd</div>
                    </blockquote>
                    <div class="">
                      <div class=""><br class="">
                      </div>
                      <div class="">If you are using ssh, you need to
                        add a:</div>
                      <div class=""><br class="">
                      </div>
                    </div>
                    <blockquote style="margin: 0 0 0 40px; border: none;
                      padding: 0px;" class="">
                      <div class="">
                        <div class="">OVMS# log monitor yes</div>
                      </div>
                    </blockquote>
                    <div class="">
                      <div class=""><br class="">
                      </div>
                      <div class="">To stop the logging:</div>
                      <div class=""><br class="">
                      </div>
                    </div>
                    <blockquote style="margin: 0 0 0 40px; border: none;
                      padding: 0px;" class="">
                      <div class="">
                        <div class="">OVMS# can log stop</div>
                      </div>
                    </blockquote>
                    <div class="">
                      <div class=""><br class="">
                      </div>
                      <div class="">Documentation here:</div>
                      <div class=""><br class="">
                      </div>
                    </div>
                    <blockquote style="margin: 0 0 0 40px; border: none;
                      padding: 0px;" class="">
                      <div class="">
                        <div class=""><a
                            href="https://docs.openvehicles.com/en/latest/crtd/can_logging.html"
                            class="" moz-do-not-send="true">https://docs.openvehicles.com/en/latest/crtd/can_logging.html</a></div>
                      </div>
                    </blockquote>
                    <div class="">
                      <div class=""><br class="">
                      </div>
                      <div class="">
                        <div class="">
                          <div class="">For my work, I personally prefer
                            this arrangement:</div>
                          <div class=""><br class="">
                          </div>
                        </div>
                        <blockquote style="margin: 0px 0px 0px 40px;
                          border: none; padding: 0px;" class="">
                          <div class="">OVMS# can log start tcpserver
                            transmit gvret-b :23</div>
                        </blockquote>
                        <div class="">
                          <div style="caret-color: rgb(0, 0, 0);"
                            class=""><br class="">
                          </div>
                        </div>
                        <div style="caret-color: rgb(0, 0, 0);" class="">And
                          then I use <a href="https://www.savvycan.com/"
                            class="" moz-do-not-send="true">SavvyCAN</a> on
                          a laptop to connect over wifi and work.</div>
                        <div style="caret-color: rgb(0, 0, 0);" class=""><br
                            class="">
                        </div>
                      </div>
                      <div class="">Regarding the ‘re’ system, it is a
                        work-in-progress, and not currently documented.
                        It is still kind of a mess at the moment
                        (particularly for multiplexed message IDs), as I
                        continue to work on DBC integration. That said,
                        it is basically functional.</div>
                      <div class=""><br class="">
                      </div>
                    </div>
                    <div class="">To start it:</div>
                    <div class=""><br class="">
                    </div>
                    <blockquote style="margin: 0 0 0 40px; border: none;
                      padding: 0px;" class="">
                      <div class="">
                        <div class="">OVMS# re start</div>
                      </div>
                    </blockquote>
                    <div class="">
                      <div class=""><br class="">
                      </div>
                      <div class="">To stop it:</div>
                      <div class=""><br class="">
                      </div>
                    </div>
                    <blockquote style="margin: 0 0 0 40px; border: none;
                      padding: 0px;" class="">
                      <div class="">
                        <div class="">OVMS# re stop</div>
                      </div>
                    </blockquote>
                    <div class="">
                      <div class=""><br class="">
                      </div>
                      <div class="">To see discovered IDs:</div>
                      <div class=""><br class="">
                      </div>
                    </div>
                    <blockquote style="margin: 0 0 0 40px; border: none;
                      padding: 0px;" class="">
                      <div class="">
                        <div class="">OVMS# re list</div>
                      </div>
                    </blockquote>
                    <div class="">
                      <div class=""><br class="">
                      </div>
                      <div class="">It will (by default) listen on all
                        open CAN buses, and show you the discovered ID,
                        message count, interval (in ms), and last
                        message seen.</div>
                      <div class=""><br class="">
                      </div>
                      <div class="">It has some rudimentary ability to
                        monitor active polling protocols with ‘re obdii
                        extended <min> <max>’ (or standard),
                        specifying the range of IDs used by the ECUs.</div>
                      <div class=""><br class="">
                      </div>
                    </div>
                    <div class="">
                      <div class="">Regards, Mark</div>
                      <div class=""><br class="">
                        <blockquote type="cite" class="">
                          <div class="">On 30 Jul 2020, at 11:56 PM,
                            Soko <<a href="mailto:ovms@soko.cc"
                              class="" moz-do-not-send="true">ovms@soko.cc</a>>
                            wrote:</div>
                          <br class="Apple-interchange-newline">
                          <div class="">
                            <meta http-equiv="Content-Type"
                              content="text/html; charset=UTF-8"
                              class="">
                            <div class="">
                              <p class="">@devmarxx: Is there any
                                doc/guide on how to use this RE Tools?</p>
                              <p class="">@Michael: Yeah, I know. You
                                would have done my 1-day work in 5 mins.
                                I know C++ but I don't know the OVMS
                                framework. But its like with any
                                project: The issue is not the language,
                                its the framework.</p>
                              <p class="">Until you have yours you have
                                to settle with me unfortunately ;)</p>
                              <p class="">My cousin has a working VCDS
                                HEX interface and I have an y-adapter so
                                I can listen with an ELM327 adapter to
                                the commands VCDS is sending. Maybe I
                                can find any car status there. Device 09
                                is a good hint. <br class="">
                              </p>
                              <p class="">But as you said: I have still
                                have to poll this, even if I find a
                                status.</p>
                              <p class="">I can't say (of course) if
                                there's another CAN bus @ OBD port. All
                                this CAN/OBD/Bus stuff is completely new
                                to me.. ModBus RTU/TCP, MBus etc. I
                                would know ;)</p>
                              <p class="">So if you can point me in any
                                direction what to try - or what you
                                would do - I happy to dig into it.</p>
                              <p class="">Soko</p>
                              <p class="">PS: Any idea when you'll get
                                your Mii?<br class="">
                              </p>
                              <div class="moz-cite-prefix">On 30.07.2020
                                17:14, Michael Balzer wrote:<br class="">
                              </div>
                              <blockquote type="cite"
                                cite="mid:193a06ae-81aa-52a0-047e-6bde5107dbdc@expeedo.de"
                                class="">
                                <meta http-equiv="Content-Type"
                                  content="text/html; charset=UTF-8"
                                  class="">
                                If only I had my Mii already…<br
                                  class="">
                                <br class="">
                                If the OBD port is shielded from the CAN
                                traffic, you need to poll some device.
                                ECU = Engine Control Unit = device 01.<br
                                  class="">
                                <br class="">
                                I would suspect the basic car status
                                info to be available from device 09
                                (central electrics), but it seems no
                                PIDs have been RE'd from there yet. So
                                maybe you need to derive the info from
                                some other mode/status register.<br
                                  class="">
                                <br class="">
                                It's bad needing to continuosly poll to
                                get the live status data. Is possibly
                                another, unfiltered CAN bus available at
                                the OBD port?<br class="">
                                <br class="">
                                Regards,<br class="">
                                Michael<br class="">
                                <br class="">
                                <br class="">
                                <div class="moz-cite-prefix">Am 30.07.20
                                  um 16:43 schrieb Soko:<br class="">
                                </div>
                                <blockquote type="cite"
                                  cite="mid:c46c65de-ae20-f2db-4c2b-052843756691@soko.cc"
                                  class="">
                                  <meta http-equiv="Content-Type"
                                    content="text/html; charset=UTF-8"
                                    class="">
                                  <p class="">Ahhh OK, I've found
                                    OvmsVehicle::virtual void
                                    TickerXXX(uint32_t ticker);<br
                                      class="">
                                    Got it! This was exactly my issue as
                                    I didn't know about any function
                                    which gets called regularly so I
                                    could check something like this...<br
                                      class="">
                                    It's not an ideal situation though:
                                    I just can slow down the poll after
                                    my fail-counter gets too high as I
                                    need to check when the car gets
                                    powered again. So all I can do is
                                    polling, lets say every 60 secs when
                                    the car is off, and increase it once
                                    its on. But there is now way around
                                    this 60-sec polling if the only
                                    thing I can do is poll :(<br
                                      class="">
                                  </p>
                                  <p class="">Afaik there is only the
                                    sharkcow's list below, reverse
                                    engineered by him from ODBeleven.</p>
                                  <p class="">(dev)marxx exlpained to
                                    me: There is a gateway between the
                                    CAN-Buses and the OBD Connector in
                                    all VW-AG vehicles which only
                                    replies to polls and also acts as
                                    security gateway if you want to
                                    write to the buses.</p>
                                  <p class="">So I think I cannot really
                                    do a can log or use re tool as the
                                    OBD interface stays quiet if I'm not
                                    polling it...</p>
                                  <p class="">And as there is no other
                                    vehicle from VW,Seat,Skoda,Audi,etc.
                                    in OVMS. So I have no cheat-sheet :(</p>
                                  <p class="">Anyhow... I would need to
                                    poll one ECU (is this the correct
                                    therm?) which doesn't shuts down...
                                    or maybe the issue is the
                                    OBD-gateway shutting down.<br
                                      class="">
                                  </p>
                                  <p class="">What do you think?</p>
                                  <p class="">Soko<br class="">
                                  </p>
                                  <div class="moz-cite-prefix">On
                                    30.07.2020 16:17, Michael Balzer
                                    wrote:<br class="">
                                  </div>
                                  <blockquote type="cite"
                                    cite="mid:429f9711-74bd-828c-0c9c-3872f9b0bfac@expeedo.de"
                                    class="">
                                    <meta http-equiv="Content-Type"
                                      content="text/html; charset=UTF-8"
                                      class="">
                                    Soko,<br class="">
                                    <br class="">
                                    nice progress :-)<br class="">
                                    <br class="">
                                    If you can't detect vehicle state by
                                    listening to regular status CAN
                                    frames, you can check the time since
                                    the last poll reply in the per
                                    second ticker.<br class="">
                                    <br class="">
                                    As poll replies normally come in
                                    fast, you should be able to detect a
                                    switch-off by a small timeout, say 3
                                    seconds… probably need to add a
                                    counter, as a single poll may get
                                    lost / ignored.<br class="">
                                    <br class="">
                                    CAN tx errors can be caused by other
                                    issues as well, so should generally
                                    not be interpreted that way.<br
                                      class="">
                                    <br class="">
                                    But… are you sure there are no
                                    status frames on the bus? Have you
                                    done a can log or tried the re tool?<br
                                      class="">
                                    <br class="">
                                    Regards,<br class="">
                                    Michael<br class="">
                                    <br class="">
                                    <br class="">
                                    <div class="moz-cite-prefix">Am
                                      30.07.20 um 14:43 schrieb Soko:<br
                                        class="">
                                    </div>
                                    <blockquote type="cite"
                                      cite="mid:dfef03ed-b0e1-1fda-7eab-de5b6e49cc67@soko.cc"
                                      class="">Hi guys, <br class="">
                                      <br class="">
                                      Want to report success on
                                      connecting and reading my VW e-Up
                                      via OBD cable using the Poller. As
                                      you can see in the screenshot of
                                      the log attached I get an
                                      IncomingPollReply(..) call and an
                                      SoC value of 33.333% <br class="">
                                      <br class="">
                                      Once I turn of the ignition and
                                      lock the car though I don't get
                                      any replies no more (line D
                                      793813) and then I get can1
                                      errors... I'm polling with 10
                                      seconds intervall. <br class="">
                                      <br class="">
                                      I know that this is as it should
                                      be... but my issue is: I don't
                                      have any way to know if the
                                      ignition is on, the key is in, the
                                      car is running, the car is
                                      charging as the PIDs are not known
                                      for such values (afaik by the
                                      lists of sharkcow <a
                                        class="moz-txt-link-freetext"
                                        href="https://www.goingelectric.de/wiki/Liste-der-OBD2-Codes/"
                                        moz-do-not-send="true">https://www.goingelectric.de/wiki/Liste-der-OBD2-Codes/</a>).
                                      <br class="">
                                      <br class="">
                                      So what would be the best approach
                                      to change the different polling
                                      states? Can I somehow get called
                                      (in my vehicle-class) if an
                                      can-error is thrown? Then I would
                                      increase the poll frequency. <br
                                        class="">
                                      <br class="">
                                      Any suggestions? <br class="">
                                      <br class="">
                                      thanks <br class="">
                                      <br class="">
                                      Soko <br class="">
                                      <br class="">
                                      <br class="">
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                                    <pre class="moz-signature" cols="72">-- 
Michael Balzer * Helkenberger Weg 9 * D-58256 Ennepetal
Fon 02333 / 833 5735 * Handy 0176 / 206 989 26
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Fon 02333 / 833 5735 * Handy 0176 / 206 989 26
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                <pre class="moz-signature" cols="72">-- 
Michael Balzer * Helkenberger Weg 9 * D-58256 Ennepetal
Fon 02333 / 833 5735 * Handy 0176 / 206 989 26
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Fon 02333 / 833 5735 * Handy 0176 / 206 989 26
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