https://www.mediawiki.compulab.com/w/index.php?action=history&feed=atom&title=UCM-iMX95_Yocto_Linux%3A_SPI 2026-04-15T08:00:36Z Revision history for this page on the wiki MediaWiki 1.31.0 https://www.mediawiki.compulab.com/w/index.php?title=UCM-iMX95_Yocto_Linux:_SPI&diff=5556&oldid=prev 2025-01-09T15:57:33Z

<p></p> <table class="diff diff-contentalign-left" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #222; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Revision as of 15:57, 9 January 2025</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l14" >Line 14:</td> <td colspan="2" class="diff-lineno">Line 14:</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f8f9fa; color: #222; 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>&lt;/pre&gt;</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f8f9fa; color: #222; 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>&lt;/pre&gt;</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f8f9fa; color: #222; 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;"></td><td class='diff-marker'>&#160;</td><td style="background-color: #f8f9fa; color: #222; 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;"></td></tr> <tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>* System board setup:&lt;br&gt;short P15.3(MOSI) and&#160; P15.2(MISO) pins.</div></td><td class='diff-marker'>+</td><td style="color: #222; 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>* System board setup:&lt;br&gt;short <ins class="diffchange diffchange-inline">'''</ins>P15.3 (MOSI)<ins class="diffchange diffchange-inline">''' </ins>and&#160; <ins class="diffchange diffchange-inline">'''</ins>P15.2 (MISO)<ins class="diffchange diffchange-inline">''' </ins>pins.</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f8f9fa; color: #222; 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;"></td><td class='diff-marker'>&#160;</td><td style="background-color: #f8f9fa; color: #222; 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;"></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f8f9fa; color: #222; 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>* Linux command line test:</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f8f9fa; color: #222; 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>* Linux command line test:</div></td></tr> </table>

Igor https://www.mediawiki.compulab.com/w/index.php?title=UCM-iMX95_Yocto_Linux:_SPI&diff=5555&oldid=prev 2025-01-09T15:56:42Z

<p>Created page with &quot; = SPI = SPI interface is available on header <a href="/w/index.php?title=MCM-iMX93:_Evaluation_Kit:_Hardware_Guide#Connector_Locations" title="MCM-iMX93: Evaluation Kit: Hardware Guide"> &#039;&#039;&#039;P15&#039;&#039;&#039;</a>. The following example shows the usage of the Linux...&quot;</p> <p><b>New page</b></p><div><br /> = SPI =<br /> SPI interface is available on header [[MCM-iMX93: Evaluation Kit: Hardware Guide#Connector_Locations| '''P15''']]. <br /> The following example shows the usage of the Linux spidev interface as a loopback:<br /> <br /> == spidev ==<br /> * Device Tree:<br /> &lt;pre&gt;<br /> &amp;lpspi7 {<br /> ...<br /> status = &quot;okay&quot;;<br /> ...<br /> };<br /> &lt;/pre&gt;<br /> <br /> * System board setup:&lt;br&gt;short P15.3(MOSI) and P15.2(MISO) pins.<br /> <br /> * Linux command line test:<br /> ./spidev_test -v -D /dev/spidev0.0 -p &quot;hello&quot;<br /> <br /> You should see RX same as TX.<br /> &lt;pre&gt;<br /> spi mode: 0x0<br /> bits per word: 8<br /> max speed: 500000 Hz (500 kHz)<br /> TX | 68 65 6C 6C 6F __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ |hello|<br /> RX | 68 65 6C 6C 6F __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ |hello|<br /> &lt;/pre&gt;<br /> <br /> [[Category:Linux]]<br /> [[Category:Yocto]]<br /> [[Category:UCM-iMX95]]</div>

Igor