https://forge.codesys.com/forge/talk/Deutsch/thread/8e5f2c6f5c/2022-08-24T08:45:55.220000ZRecent posts to Array mit 6144 Werten in I2C-Devis schreiben2022-08-24T08:45:55.220000Z2022-08-24T08:45:55.220000Zandraxhttps://forge.codesys.com/u/andrax/https://forge.codesys.comf7a3ad1f329dabf4e1b6428b3602826091f3324a

<div class="markdown_content"><p>Hallo zusammen,</p> <p>ich konnte das Problem lösen und der Sensor läuft jetzt.<br/> Ich erreiche zwar nur eine Samplingrate von 250Hz, aber immerhin.</p> <p>Grüße</p></div>

2022-08-24T08:45:48.107000Z2022-08-24T08:45:48.107000Zandraxhttps://forge.codesys.com/u/andrax/https://forge.codesys.com5a4cbdf30d9d16aa17b5d16511b83e35a61ad370

<div class="markdown_content"><p>Hallo zusammen,</p> <p>ich konnte das Problem lösen und der Sensor läuft jetzt.<br/> Ich erreiche zwar nur eine Samplingrate von 250Hz, aber immerhin.</p> <p>Grüße</p></div>

2022-08-11T10:39:14.454000Z2022-08-11T10:39:14.454000Zandraxhttps://forge.codesys.com/u/andrax/https://forge.codesys.comcd80375124d5d575bfb7e7f027869a9faf64cc52

<div class="markdown_content"><p>Hallo Leute,</p> <p>ich muss ein Array mit 6144 Config-daten in mein I2c Device schreiben.<br/> Dazu benutze ich die Funktion _pMaster^.write</p> <p>Ich habe mir hierzu eine Funktion geschrieben:</p> <div class="codehilite"><pre><span></span><span class="nt">METHOD</span> <span class="nt">checkwriteregister</span> <span class="o">:</span> <span class="nt">INT</span> <span class="nt">VAR_INPUT</span> <span class="nt">usiRegister</span><span class="p">:</span><span class="nd">USINT</span><span class="o">;</span> <span class="nt">pbyBuffer</span><span class="p">:</span><span class="nd">POINTER</span> <span class="nt">TO</span> <span class="nt">BYTE</span><span class="o">;</span> <span class="nt">nBufferLen</span><span class="p">:</span><span class="nd">UDINT</span><span class="o">;</span> <span class="nt">END_VAR</span> <span class="nt">VAR</span> <span class="nt">byteswrite</span><span class="p">:</span><span class="nd">DINT</span><span class="o">;</span> <span class="nt">END_VAR</span> <span class="nt">IF</span> <span class="nt">_pMaster</span><span class="o">^</span><span class="p">.</span><span class="nc">write</span><span class="o">(</span><span class="nt">usiRegister</span><span class="o">,</span> <span class="nt">pbyBuffer</span><span class="o">,</span> <span class="nt">nBufferLen</span><span class="o">)</span> <span class="o">&lt;&gt;</span> <span class="nt">UDINT_TO_DINT</span><span class="o">(</span><span class="nt">nBufferLen</span><span class="o">)</span> <span class="nt">AND</span> <span class="nt">NOT</span> <span class="nt">debugSlave</span> <span class="nt">THEN</span> <span class="o">//</span><span class="nt">write</span> <span class="nt">not</span> <span class="nt">suchsseccfull</span> <span class="nt">goError</span><span class="o">(</span><span class="nt">ReadWrite</span> <span class="o">:=</span> <span class="nt">TRUE</span><span class="o">);</span> <span class="nt">checkwriteregister</span> <span class="o">:=</span> <span class="nt">ERROR_RET_VAL</span><span class="o">;</span> <span class="nt">ELSE</span> <span class="nt">checkwriteregister</span> <span class="o">:=</span> <span class="nt">READ_SUCCSESSFULL</span><span class="o">;</span> <span class="nt">END_IF</span> </pre></div> <p>Aufrufen tue ich die Funktion wie folgt:</p> <div class="codehilite"><pre><span></span><span class="err">Case _devicestatus OF</span> <span class="err">...</span> <span class="err"> 50:</span> <span class="err"> IF checkwriteregister(16#5E, ADR(bma456_config),6144) &lt; 0 THEN</span> <span class="err"> RETURN;</span> <span class="err"> ELSE</span> <span class="err"> _devicestatus:=60;</span> <span class="err"> END_IF</span> <span class="err"> 60:</span> </pre></div> <p>Leider werden die Daten aus irgendeinem Grund nicht geschrieben und ich komme nicht in den Schritt 60:</p> <p>Kann jemand helfen?</p> <p>Gruß</p> <p>Andre</p></div>