https://forge.codesys.com/forge/talk/CODESYS-V2/thread/82103cb0e0/2020-02-27T21:37:29.613000ZRecent posts to Using Ethernet.lib2020-02-27T21:37:29.613000Z2020-02-27T21:37:29.613000Zraoulhttps://forge.codesys.com/u/raoul/https://forge.codesys.com0aa6c661dca567de802ff6e842e24ef965ef6045

<div class="markdown_content"><p>Thank you, I'll try this example...</p> <p>Raoul</p></div>

2020-02-27T21:37:25.403000Z2020-02-27T21:37:25.403000ZErik Böhmhttps://forge.codesys.com/u/erik-boehm/https://forge.codesys.com065fbedaf1d64bf88c64f1054f639d13ca6cd24f

<div class="markdown_content"><p>Hi</p> <p>I have a (fully working and tested) Sample for you.</p> <p>Maybe it helps you to understand the mechanism.</p> <p>Greets</p> <p>Erik</p> <p><a class="" href="https://forum.codesys.com//download/file.php?id=66" rel="nofollow">WagoEthernetServer.zip <span><span>[12.42 KiB]</span></span></a></p></div>

2020-02-27T21:37:23.826000Z2020-02-27T21:37:23.826000Zraoulhttps://forge.codesys.com/u/raoul/https://forge.codesys.com146282467813156157979dc3ac212832698bbe17

<div class="markdown_content"><p>Yes I tried that, but It's exactly the same...</p> <p>Raoul</p></div>

2020-02-27T21:37:19.682000Z2020-02-27T21:37:19.682000ZErik Böhmhttps://forge.codesys.com/u/erik-boehm/https://forge.codesys.comee621a55bed1ec35c0f19ab5b5df81c4690582b3

<div class="markdown_content"><p>Hi</p> <p>Did you try it like this:</p> <p>Read(EN:=1, SOCKET:=socket.SOCKET, DATA:=buffer); </p> <p>IF (Read.LEN_OUT &gt; 0) THEN </p> <div class="codehilite"><pre><span></span><span class="nv">Read</span><span class="ss">(</span><span class="nv">EN</span>:<span class="o">=</span><span class="mi">0</span>, <span class="nv">DATA</span>:<span class="o">=</span><span class="nv">buffer</span><span class="ss">)</span><span class="c1">;</span> <span class="ss">(</span><span class="o">*</span> <span class="k">Do</span> <span class="nv">somthing</span> <span class="o">*</span><span class="ss">)</span> </pre></div> <p>END_IF</p></div>

2020-02-27T21:37:18.170000Z2020-02-27T21:37:18.170000Zraoulhttps://forge.codesys.com/u/raoul/https://forge.codesys.comd74c02e134a2866afa000e59d8b68fa16a5c2827

<div class="markdown_content"><p>Hello all.</p> <p>I'm trying to use the Ethernet.lib library with a 750-842 controller. I want to make an UDP server listenning to UDP packet wich are broadcasted on the network.</p> <p>I'm doing this:</p> <div class="codehilite"><pre><span></span><span class="nv">VAR</span> <span class="nv">socket</span>: <span class="nv">ETHERNET_SERVER_OPEN</span><span class="c1">;</span> <span class="nv">Read</span>: <span class="nv">ETHERNET_READ</span><span class="c1">;</span> <span class="nv">END_VAR</span> <span class="k">IF</span> <span class="ss">(</span><span class="nv">socket</span>.<span class="nv">SOCKET</span> <span class="o">=</span> <span class="mi">0</span><span class="ss">)</span> <span class="k">THEN</span>     <span class="nv">socket</span><span class="ss">(</span><span class="nv">EN</span>:<span class="o">=</span><span class="mi">1</span>, <span class="nv">TYP</span>:<span class="o">=</span><span class="nv">SOCK_DGRAM</span>, <span class="nv">PROTO</span>:<span class="o">=</span><span class="nv">IPPROTO_UDP</span>, <span class="nv">PORT</span>:<span class="o">=</span><span class="mi">4545</span><span class="ss">)</span><span class="c1">;</span> <span class="nv">END_IF</span> <span class="nv">Read</span><span class="ss">(</span><span class="nv">EN</span>:<span class="o">=</span><span class="mi">1</span>, <span class="nv">SOCKET</span>:<span class="o">=</span><span class="nv">socket</span>.<span class="nv">SOCKET</span>, <span class="nv">DATA</span>:<span class="o">=</span><span class="nv">buffer</span><span class="ss">)</span><span class="c1">;</span> <span class="nv">Read</span><span class="ss">(</span><span class="nv">EN</span>:<span class="o">=</span><span class="mi">0</span>, <span class="nv">DATA</span>:<span class="o">=</span><span class="nv">buffer</span><span class="ss">)</span><span class="c1">;</span> <span class="k">IF</span> <span class="ss">(</span><span class="nv">Read</span>.<span class="nv">LEN_OUT</span> <span class="o">&gt;</span> <span class="mi">0</span><span class="ss">)</span> <span class="k">THEN</span>     <span class="ss">(</span><span class="o">*</span> <span class="k">Do</span> <span class="nv">somthing</span> <span class="o">*</span><span class="ss">)</span> <span class="nv">END_IF</span> </pre></div> <p>The socket is successfully created with no error, but when a packet comes nothing is read from the ETHERNET_READ function block...</p> <p>Why? Does anybody know if I've done something wrong?</p> <p>Thank</p> <p>Raoul</p></div>