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    <title>i.MX Processorsのトピックi.MX27 SPI issue</title>
    <link>https://community.nxp.com/t5/i-MX-Processors/i-MX27-SPI-issue/m-p/213066#M13118</link>
    <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Hello all&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;I am developing a driver for a RFID chip. My MCU is a i.MX27 and the plan is to communicate with the RFID via SPI. However the RFID chip requires that I change the SPI mode (value of POL)&amp;nbsp; between write and read.&lt;/P&gt;&lt;P&gt;The mx_spi driver does not allow me to do the change on-the-fly. It uses the POL and PHA values configured when I added the SPI bus for the RFID.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Any hints how I can make the mx27 write on the SPI in one mode and read in another?&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Thank you in advance for you suggestions.&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
    <pubDate>Tue, 21 Feb 2012 15:34:04 GMT</pubDate>
    <dc:creator>AndrewG1z</dc:creator>
    <dc:date>2012-02-21T15:34:04Z</dc:date>
    <item>
      <title>i.MX27 SPI issue</title>
      <link>https://community.nxp.com/t5/i-MX-Processors/i-MX27-SPI-issue/m-p/213066#M13118</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;P&gt;Hello all&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;I am developing a driver for a RFID chip. My MCU is a i.MX27 and the plan is to communicate with the RFID via SPI. However the RFID chip requires that I change the SPI mode (value of POL)&amp;nbsp; between write and read.&lt;/P&gt;&lt;P&gt;The mx_spi driver does not allow me to do the change on-the-fly. It uses the POL and PHA values configured when I added the SPI bus for the RFID.&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Any hints how I can make the mx27 write on the SPI in one mode and read in another?&lt;/P&gt;&lt;P&gt;&lt;/P&gt;&lt;P&gt;Thank you in advance for you suggestions.&lt;/P&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Tue, 21 Feb 2012 15:34:04 GMT</pubDate>
      <guid>https://community.nxp.com/t5/i-MX-Processors/i-MX27-SPI-issue/m-p/213066#M13118</guid>
      <dc:creator>AndrewG1z</dc:creator>
      <dc:date>2012-02-21T15:34:04Z</dc:date>
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