<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>Ok.</div><div><br></div><div>But, lets keep the *- prefix for generic. Easier to split the fields later in the database, and only 2 bytes extra per record.</div><div><br></div><div>I'll try to get the server side of this done today.</div><div><br></div><div>Regards, Mark<br><br>On 15 Dec, 2012, at 7:19 PM, Michael Balzer <<a href="mailto:dexter@expeedo.de">dexter@expeedo.de</a>> wrote:<br><br></div><blockquote type="cite"><div>
  
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    Too fast... regarding the class definitions, to achieve readability
    here as well I would then suggest using a 3 letter abbreviation.<br>
    <br>
    ...main classes:<br>
        <br>
        Power                PWR<br>
        Engine                ENG<br>
        Transmission        TRX<br>
        Chassis                CHS<br>
        Body                BDY<br>
        Electrics            ELC<br>
        <br>
    ...auxiliary classes?<br>
        <br>
        Safety                SAF        (Chassis, Body, Electrics)<br>
        Security            SEC        (Power?, Body, Electrics)<br>
        Comfort                CMF        (Chassis, Body, Electrics)<br>
        Entertainment        ENT        (Body, Electrics)<br>
        Communication        COM        (Body, Electrics)<br>
        <br>
    <br>
    Also I would prefer "-" as a separator over ".".<br>
    <br>
    For my current application (battery pack + cell data), that would
    result in type codes...<br>
    <br>
        RT-PWR-BattPack<br>
        RT-PWR-BattCell<br>
    <br>
    ...or general form<br>
    <br>
        *-PWR-BattPack<br>
        *-PWR-BattCell<br>
    <br>
    Btw: general purpose codes could be written without "*-" prefix as
    well? That would be...<br>
    <br>
        PWR-BattPack<br>
        PWR-BattCell<br>
    <br>
    Regards,<br>
    Michael<br>
    <br>
    <br>
    <div class="moz-cite-prefix">Am 15.12.2012 12:01, schrieb Michael
      Balzer:<br>
    </div>
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      Silly me just assumed you'd prefer integer... I'm using text codes
      in my own DB designs whenever possible due to readability.<br>
      <br>
      In other words: of course! :-)<br>
      <br>
      I'll modify my code now accordingly.<br>
      <br>
      <br>
      <div class="moz-cite-prefix">Am 15.12.2012 11:48, schrieb Mark
        Webb-Johnson:<br>
      </div>
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        <div>The coding looks good, and sensible.</div>
        <div><br>
        </div>
        <div>How about we just make it a text string, rather than
          integer. Much clearer to read, and almost no impact on size.</div>
        <div><br>
        </div>
        <div>VV.C.P</div>
        <div><br>
        </div>
        <div>VV the normal vehicle types, or '*' for generic.</div>
        <div>C your class</div>
        <div>P your property<br>
          <br>
          On 15 Dec, 2012, at 6:53 AM, Michael Balzer <<a moz-do-not-send="true" href="mailto:dexter@expeedo.de">dexter@expeedo.de</a>>

          wrote:<br>
          <br>
        </div>
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            Mark, List,<br>
            <br>
            <div class="moz-cite-prefix">Am 04.12.2012 20:43, schrieb
              Michael Balzer:<br>
            </div>
            <blockquote cite="mid:50BE5251.5080700@expeedo.de" type="cite">
              <div>
                <ul class="MailOutline">
                  <ul>
                    <li>type (integer type code)</li>
                  </ul>
                </ul>
              </div>
              For general purpose type codes, maybe some classification
              scheme would make sense? Maybe adopt some standard scheme
              already defined for automotive data? ...if there is one...<br>
            </blockquote>
            <br>
            It seems there is none suitable, so here's my attempt at
            defining one. Please comment.<br>
            <br>
            Regards,<br>
            Michael<br>
            <br>
            <br>
            Type classification scheme:<br>
                id size: 32 bit integer<br>
            <br>
            Generic / standard props:<br>
            <br>
                0x 0000 C PPP<br>
            <br>
            Vehicle specific props:<br>
            <br>
                0x VVVV C PPP<br>
            <br>
                VVVV = Vehicle ID<br>
                    0001 = Tesla Roadster<br>
                    0002 = Tesla Model S<br>
                    0003 = GM Volt / Opel Ampera<br>
                    0004 = Renault Twizy<br>
                    ...<br>
            <br>
            C = Class:<br>
            <br>
            ...main classes:<br>
                <br>
                0 = Power                <br>
                1 = Engine                <br>
                2 = Transmission        <br>
                3 = Chassis                <br>
                4 = Body                <br>
                5 = Electrics            <br>
                <br>
            ...auxiliary classes?<br>
                <br>
                6 = Safety                (Chassis, Body, Electrics)<br>
                7 = Security            (Power?, Body, Electrics)<br>
                8 = Comfort                (Chassis, Body, Electrics)<br>
                9 = Entertainment        (Body, Electrics)<br>
                a = Communication        (Body, Electrics)<br>
                <br>
                <br>
                b = reserved<br>
                c = reserved<br>
                d = reserved<br>
                e = reserved<br>
                f = reserved<br>
                <br>
            <br>
            PPP = Property<br>
                ...allowing for 4096 properties per class.<br>
            <br>
            <br>
            <br>
            <br>
            <pre class="moz-signature" cols="72">-- 
Michael Balzer * Paradestr. 8 * D-42107 Wuppertal
Fon 0202 / 272 2201 * Handy 0176 / 206 989 26
</pre>
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        <blockquote type="cite">
          <div><dexter.vcf></div>
        </blockquote>
        <blockquote type="cite">
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      <pre class="moz-signature" cols="72">-- 
Michael Balzer * Paradestr. 8 * D-42107 Wuppertal
Fon 0202 / 272 2201 * Handy 0176 / 206 989 26
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    <pre class="moz-signature" cols="72">-- 
Michael Balzer * Paradestr. 8 * D-42107 Wuppertal
Fon 0202 / 272 2201 * Handy 0176 / 206 989 26
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