48 lines
1.6 KiB
XML
48 lines
1.6 KiB
XML
<refentry id="V4L2-SDR-FMT-CS14LE">
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<refmeta>
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<refentrytitle>V4L2_SDR_FMT_CS14LE ('CS14')</refentrytitle>
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&manvol;
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</refmeta>
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<refnamediv>
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<refname>
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<constant>V4L2_SDR_FMT_CS14LE</constant>
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</refname>
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<refpurpose>Complex signed 14-bit little endian IQ sample</refpurpose>
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</refnamediv>
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<refsect1>
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<title>Description</title>
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<para>
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This format contains sequence of complex number samples. Each complex number
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consist two parts, called In-phase and Quadrature (IQ). Both I and Q are
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represented as a 14 bit signed little endian number. I value comes first
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and Q value after that. 14 bit value is stored in 16 bit space with unused
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high bits padded with 0.
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</para>
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<example>
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<title><constant>V4L2_SDR_FMT_CS14LE</constant> 1 sample</title>
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<formalpara>
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<title>Byte Order.</title>
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<para>Each cell is one byte.
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<informaltable frame="none">
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<tgroup cols="3" align="center">
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<colspec align="left" colwidth="2*" />
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<tbody valign="top">
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<row>
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<entry>start + 0:</entry>
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<entry>I'<subscript>0[7:0]</subscript></entry>
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<entry>I'<subscript>0[13:8]</subscript></entry>
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</row>
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<row>
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<entry>start + 2:</entry>
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<entry>Q'<subscript>0[7:0]</subscript></entry>
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<entry>Q'<subscript>0[13:8]</subscript></entry>
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</row>
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</tbody>
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</tgroup>
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</informaltable>
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</para>
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</formalpara>
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</example>
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</refsect1>
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</refentry>
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