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    Works.<br>
    <br>
    I've also pushed my latest (minor) Twizy update.<br>
    <br>
    Regards,<br>
    Michael<br>
    <br>
    <br>
    <div class="moz-cite-prefix">Am 13.03.2016 um 14:14 schrieb Mark
      Webb-Johnson:<br>
    </div>
    <blockquote
      cite="mid:8F356ACD-7F96-4D6D-9D4F-F7898CE5B286@openvehicles.com"
      type="cite">
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      Michael,
      <div class=""><br class="">
      </div>
      <div class="">Thanks for your fast help. I was worried about that.</div>
      <div class=""><br class="">
      </div>
      <div class="">Iíve re-worked the NET_INIT1 logic. Can you try to
        pull and see if that now works for you?</div>
      <div class=""><br class="">
      </div>
      <div class="">With the SIM808, we canít include anything else on
        the†AT+CGPSPWR=1 command (or it gives ERROR). But,
        putting†+CGPSRST=0 in front of the first CMINS? seems to work
        ok.</div>
      <div class=""><br class="">
      </div>
      <div class="">I tried here on my SIM908 and it seems ok. Could you
        try on yours?</div>
      <div class=""><br class="">
      </div>
      <div class="">Regards, Mark.</div>
      <div class=""><br class="">
        <div>
          <blockquote type="cite" class="">
            <div class="">On 13 Mar 2016, at 7:43 PM, Michael Balzer
              <<a moz-do-not-send="true"
                href="mailto:dexter@expeedo.de" class="">dexter@expeedo.de</a>>
              wrote:</div>
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              <div bgcolor="#FFFFFF" text="#000000" class=""> Mark,<br
                  class="">
                <br class="">
                unfortunately the new GPS init does not work, the module
                doesn't get coordinates.<br class="">
                <br class="">
                I remember adding +CGPSRST on purpose, somewhere the
                docs suggested it's necessary...<br class="">
                <br class="">
                ...found it: section 12.2.2 AT+CGPSRST GPS Reset Mode
                (HOT/WARM/COLD)<br class="">
                "Note: COLD start mode is recommended For first time
                reset."<br class="">
                <br class="">
                I now added it to NET_WAKEUP_GPSON, and the GPS init
                works again:<br class="">
                <br class="">
                rom char NET_WAKEUP_GPSON[] =
                "AT+CGPSPWR=1;+CGPSRST=0\r";<br class="">
                <br class="">
                ...but according to your findings on SIM808, this will
                occasionally fail, so that's no solution.<br class="">
                <br class="">
                If we need to retry NET_STATE_START if the PWR command
                fails, maybe we can prepend RST to NET_INIT1?<br
                  class="">
                <br class="">
                Or, if the SIM808 doesn't need the RST, maybe a simple
                solution is to create SIM808 / SIM908 specific images?<br
                  class="">
                <br class="">
                Regards,<br class="">
                Michael<br class="">
                <br class="">
                <br class="">
                <br class="">
                <div class="moz-cite-prefix">Am 13.03.2016 um 10:13
                  schrieb Mark Webb-Johnson:<br class="">
                </div>
                <blockquote
                  cite="mid:88404E2B-6077-4771-AF35-5C21546706DA@openvehicles.com"
                  type="cite" class="">
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                  <div class=""><br class="">
                  </div>
                  Iíve just committed the code changes discussed below.
                  This is v2.8.3.
                  <div class=""><br class="">
                  </div>
                  <div class="">I few changes to be aware of:</div>
                  <div class=""><br class="">
                  </div>
                  <div class="">
                    <ul class="MailOutline">
                      <li class="">MPLABX 3.1x support</li>
                      <li class="">An†OVMS_BUILDCONFIG #define has been
                        added to the build configs. This passes in a
                        string that is used during the VERSION commands
                        to include the build config selected during the
                        build. So we can tell a V2_Production build from
                        a V2_Twizy build, etc. Should make support
                        easier, but you may need to tweak your own build
                        configs to get them to build with this.</li>
                      <li class="">The GPS initialisation code has been
                        re-worked. Instead of the AT command used for
                        wakeup, in the configurations with a GPS, I
                        replace that with the AT_CGPSPWR command
                        appropriate (to power up the internal SIMx08 GPS
                        if internal GPS is requested by the vehicle
                        module). As a side-effect, I dropped the
                        AT+CGPSRST=0 that was used during initialisation
                        to do a cold boot - I donít think that is going
                        to be an issue, but please let me know if you
                        think it will.</li>
                    </ul>
                  </div>
                  <div class=""><br class="">
                  </div>
                  <div class="">The build config strings I am using are
                    three character:</div>
                  <div class=""><br class="">
                  </div>
                  <div class="">
                    <ul class="MailOutline">
                      <li class="">V1P - V1 Production</li>
                      <li class="">V2P - V2 Production</li>
                      <li class="">V2E - V2 Experimental</li>
                      <li class="">TRP - V2 Tesla Roadster Production</li>
                      <li class="">RTP - V2 Renault Twizy Production</li>
                    </ul>
                  </div>
                  <div class=""><br class="">
                  </div>
                  <div class="">I would appreciate it if you guys could
                    test this out on your SIM908 modules. In particular,
                    for cars with GPS. This is a release candidate
                    firmware and I am intending to send it to the
                    factory building the first batch of SIM808 modules,
                    later next week. Any feedback you can provide would
                    be appreciated.</div>
                  <div class=""><br class="">
                  </div>
                  <div class="">Regards, Mark.</div>
                  <div class=""><br class="">
                  </div>
                  <div class="">P.S. If this is ok, it should bring to a
                    close the v2.x firmware that I am working on (other
                    than simple maintenance). Iím now full time
                    concentrating on the v3 firmware that is being built
                    using FreeRTOS on the FRDM-K64 platform (as a
                    development platform for the upcoming v3 OVMS
                    hardware). More on this soon...</div>
                  <div class=""><br class="">
                    <div class="">
                      <blockquote type="cite" class="">
                        <div class="">On 8 Mar 2016, at 4:24 PM, Mark
                          Webb-Johnson <<a moz-do-not-send="true"
                            href="mailto:mark@openvehicles.com" class="">mark@openvehicles.com</a>>

                          wrote:</div>
                        <br class="Apple-interchange-newline">
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                            -webkit-line-break: after-white-space;"
                            class="">
                            <div class="">An update on SIM808. It is
                              just a stop-gap solution, but it buys us
                              some time.</div>
                            <div class=""><br class="">
                            </div>
                            <div class="">The changes Iíve made /
                              problems Iíve had:</div>
                            <div class=""><br class="">
                            </div>
                            <div class="">
                              <ol class="MailOutline">
                                <li class="">Power button needs to be
                                  held for 1 second to power down/up the
                                  modem (SIM908 was much faster). Not a
                                  bad issue, but it did waste a week
                                  going back and forth trying to find
                                  the cause.</li>
                                <li class="">The SIM808 doesnít echo
                                  LineFeed characters. That is a pain
                                  for DIAG mode console, but doesnít
                                  affect anything else. Only workaround
                                  possible is to use a terminal program
                                  that can map CR->CRLF, or CF->LF
                                  (and live with the horrible display in
                                  DIAG mode). Weíll just develop on
                                  SIM908 modules or use a fancy terminal
                                  emulator. I guess if people are using
                                  scripts to talk to DIAG mode, they may
                                  need some tuning if they are expecting
                                  CRLF and just getting CR now.</li>
                                <li class="">GPS initialisation (this is
                                  the biggy - more below).</li>
                                <li class="">Build profile in version
                                  string. This is just a simple fix to
                                  include a #define in the build
                                  profiles, and to include that where we
                                  show the version string. It means that
                                  as well as the version of firmware, we
                                  can now see the build profile. Helpful
                                  for support of new users.</li>
                              </ol>
                            </div>
                            <div class=""><br class="">
                            </div>
                            <div class="">The biggest issue has been
                              with GPS initialisation.</div>
                            <div class=""><br class="">
                            </div>
                            <div class="">Looking at the current code:</div>
                            <div class=""><br class="">
                            </div>
                            <blockquote style="margin: 0 0 0 40px;
                              border: none; padding: 0px;" class="">
                              <div class="">
                                <div class=""><font class=""
                                    face="Andale Mono">#ifdef
                                    OVMS_INTERNALGPS</font></div>
                                <div class=""><font class=""
                                    face="Andale Mono">// Using internal
                                    SIM908 GPS:</font></div>
                                <div class=""><font class=""
                                    face="Andale Mono">rom char
                                    NET_INIT1[] =
                                    "AT+CGPSPWR=1;+CGPSRST=0;+CSMINS?\r";</font></div>
                                <div class=""><font class=""
                                    face="Andale Mono">rom char
                                    NET_REQGPS[] =
                                    "AT+CGPSINF=2;+CGPSINF=64;+CGPSPWR=1\r";</font></div>
                                <div class=""><font class=""
                                    face="Andale Mono">#else</font></div>
                                <div class=""><font class=""
                                    face="Andale Mono">// Using external
                                    GPS from car:</font></div>
                                <div class=""><font class=""
                                    face="Andale Mono">rom char
                                    NET_INIT1[] = "AT+CSMINS?\r";</font></div>
                                <div class=""><font class=""
                                    face="Andale Mono">#endif</font></div>
                              </div>
                            </blockquote>
                            <div class=""><br class="">
                              So, if the build profile includes
                              OVMS_INTERNALGPS (ie; one or more vehicles
                              in the profile require GPS), then we use a
                              big sequence of initialisations
                              "AT+CGPSPWR=1;+CGPSRST=0;+CSMINS?\rĒ. We
                              have two issues with this:</div>
                            <div class=""><br class="">
                            </div>
                            <div class="">
                              <ol class="MailOutline">
                                <li class="">Weíre powering up the GPS,
                                  even if the actual vehicle we selected
                                  doesnít need SIM908/808 GPS. That
                                  costs watts - and with my new fancy
                                  bench power supply I got for OVMS v3
                                  development (ok, cheap chinese ebay) I
                                  can now see exactly how much ;-).</li>
                                <li class="">The SIM808 randomly doesnít
                                  like†AT+CGPSPWR=1 and in particular
                                  seems to hate it 100% of the time it
                                  is included with other options. You
                                  get an ERROR response back from the
                                  modem, and as this is done in
                                  NET_STATE_DOINIT, it looks like a SIM
                                  card error (but is nothing to do with
                                  SIM card). We just never
                                  saw†AT+CGPSPWR=1 fail on SIM908.</li>
                              </ol>
                            </div>
                            <div class=""><br class="">
                            </div>
                            <div class="">Now, as well as the #defined
                              OVMS_INTERNALGPS to enable the SIM908/808
                              GPS, weíve also got NET_FN_INTERNALGPS in
                              net_fnbits which is set during vehicle
                              module initialisation. The first brings in
                              the code, the second should turn it on.
                              Except it doesnít. The first one turns it
                              on.</div>
                            <div class=""><br class="">
                            </div>
                            <div class="">Accordingly, Iím having to
                              change the net.{h,c} layer to split off
                              GPS initialisation into its own states and
                              use a simple AT+CGPSPWR=1 for vehicles
                              that require SIM908/808 GPS and
                              AT+CGPSPWR=0 for vehicles that donít. Iíve
                              taken the opportunity to switch from
                              using†OVMS_INTERNALGPS to using
                              NET_FN_INTERNALGPS in net_fnbits as the
                              decision as to whether to power up the
                              SIM908/808 GPS or not.</div>
                            <div class=""><br class="">
                            </div>
                            <div class="">Building and testing that has
                              taken me the most time. It is almost done,
                              and I should be able to commit the code
                              soon.</div>
                            <div class=""><br class="">
                            </div>
                            <div class="">Production firmware then goes
                              to the manufacturer in China, and we give
                              the go-ahead for the production run. We
                              should have the modules back in stock
                              towards the end of March / first thing in
                              April.</div>
                            <div class=""><br class="">
                            </div>
                            <div class="">Regards, Mark.</div>
                            <div class=""><br class="">
                            </div>
                            <div class="">P.S. I can actually recommend
                              that cheap(ish) chinese ebay power supply.
                              Itís available from various eBay sellers,
                              or†<a moz-do-not-send="true"
href="http://www.banggood.com/CPS-3205C-0-32V-0-5A-Portable-Adjustable-DC-Power-Supply-180-264V-p-974495.html"
                                class="">banggood</a>. Controls are
                              precise, output is rock solid, ammeter is
                              as accurate as my multi-meter, and it is
                              built like a tank.</div>
                            <div class=""><br class="">
                            </div>
                          </div>
_______________________________________________<br class="">
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                <br class="">
                <pre class="moz-signature" cols="72">-- 
Michael Balzer * Helkenberger Weg 9 * D-58256 Ennepetal
Fon 02333 / 833 5735 * Handy 0176 / 206 989 26
</pre>
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    <br>
    <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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