https://wiki.raumzeitlabor.de/index.php?action=history&feed=atom&title=Hausbus%2FPaketformat 2026-05-03T12:25:36Z Versionsgeschichte dieser Seite in RaumZeitLabor Wiki MediaWiki 1.43.5 https://wiki.raumzeitlabor.de/index.php?title=Hausbus/Paketformat&diff=16419&oldid=prev 2023-11-05T12:27:04Z

<p></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="de"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Nächstältere Version</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Version vom 5. November 2023, 12:27 Uhr</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1">Zeile 1:</td> <td colspan="2" class="diff-lineno">Zeile 1:</td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">{{Archiv|title=RZL-Historie|msg=Diese Seite wurde archiviert, um RaumZeitLabor Historie zu erhalten}} </ins></div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Formatbeschreibung ==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Formatbeschreibung ==</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr> </table>

Eiswürfelchen https://wiki.raumzeitlabor.de/index.php?title=Hausbus/Paketformat&diff=1387&oldid=prev 2010-09-17T23:36:08Z

<p>Die Seite wurde neu angelegt: „== Formatbeschreibung == {| border=&quot;1&quot; cellspacing=&quot;0&quot; cellpadding=&quot;10&quot; ! Byte || Name || Bedeutung |----- | 00 || destination || Zieladresse |----- | 01 || sour…“</p> <p><b>Neue Seite</b></p><div>== Formatbeschreibung ==<br /> <br /> {| border=&quot;1&quot; cellspacing=&quot;0&quot; cellpadding=&quot;10&quot;<br /> ! Byte || Name || Bedeutung<br /> |-----<br /> | 00 || destination || Zieladresse<br /> |-----<br /> | 01 || source || Senderadresse<br /> |-----<br /> | 02 || header_chk || Prüfsumme des Headers<br /> |-----<br /> | 03 || payload_chk || Prüfsumme des Payloads<br /> |-----<br /> | 04 || length_hi || Most Significant Bits der Payloadlänge<br /> |-----<br /> | 05 || length_lo || Least Significant Bits der Payloadlänge<br /> |-----<br /> | 06 || || Payload<br /> |-----<br /> | … || || …<br /> |}<br /> <br /> == Beispiel ==<br /> uint8_t buffer[32];<br /> struct buspkt *packet = (struct buspkt*)buffer;<br /> uint8_t *payload = buffer;<br /> payload += sizeof(struct buspkt);<br /> <br /> packet-&gt;destination = 0x01; /* pinpad-controller */<br /> packet-&gt;source = 0x00; /* busmaster */<br /> packet-&gt;length_hi = 0x00;<br /> packet-&gt;length_lo = 10;<br /> packet-&gt;payload_chk = 0xFF; /* not yet implemented */<br /> packet-&gt;header_chk = packet-&gt;destination + packet-&gt;source + packet-&gt;payload_chk + packet-&gt;length_hi + packet-&gt;length_lo;<br /> strncpy(payload, &quot;get_status&quot;, strlen(&quot;get_status&quot;));<br /> …ergibt:<br /> {<br /> 0x01, 0x00, 0x0a, 0xff, 0x00, 0x0a,<br /> 0x67, 0x65, 0x74, 0x5f, 0x73, 0x74, 0x61, 0x74, 0x75, 0x73<br /> }<br /> &#039;&#039;&#039;Vorsicht:&#039;&#039;&#039; Pakete befüllen sollte keiner selber müssen. Das nimmt einem die &#039;&#039;lib/bus.c&#039;&#039; ab mit &#039;&#039;fmt_packet()&#039;&#039;.</div>

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