| Antti Palosaari | e6001ab | 2014-01-31 00:29:46 -0300 | [diff] [blame] | 1 | <refentry id="V4L2-SDR-FMT-CU16LE"> |
| 2 | <refmeta> |
| 3 | <refentrytitle>V4L2_SDR_FMT_CU16LE ('CU16')</refentrytitle> |
| 4 | &manvol; |
| 5 | </refmeta> |
| 6 | <refnamediv> |
| 7 | <refname> |
| 8 | <constant>V4L2_SDR_FMT_CU16LE</constant> |
| 9 | </refname> |
| 10 | <refpurpose>Complex unsigned 16-bit little endian IQ sample</refpurpose> |
| 11 | </refnamediv> |
| 12 | <refsect1> |
| 13 | <title>Description</title> |
| 14 | <para> |
| 15 | This format contains sequence of complex number samples. Each complex number |
| 16 | consist two parts, called In-phase and Quadrature (IQ). Both I and Q are |
| 17 | represented as a 16 bit unsigned little endian number. I value comes first |
| 18 | and Q value after that. |
| 19 | </para> |
| 20 | <example> |
| 21 | <title><constant>V4L2_SDR_FMT_CU16LE</constant> 1 sample</title> |
| 22 | <formalpara> |
| 23 | <title>Byte Order.</title> |
| 24 | <para>Each cell is one byte. |
| 25 | <informaltable frame="none"> |
| 26 | <tgroup cols="3" align="center"> |
| 27 | <colspec align="left" colwidth="2*" /> |
| 28 | <tbody valign="top"> |
| 29 | <row> |
| 30 | <entry>start + 0:</entry> |
| 31 | <entry>I'<subscript>0[7:0]</subscript></entry> |
| 32 | <entry>I'<subscript>0[15:8]</subscript></entry> |
| 33 | </row> |
| 34 | <row> |
| 35 | <entry>start + 2:</entry> |
| 36 | <entry>Q'<subscript>0[7:0]</subscript></entry> |
| 37 | <entry>Q'<subscript>0[15:8]</subscript></entry> |
| 38 | </row> |
| 39 | </tbody> |
| 40 | </tgroup> |
| 41 | </informaltable> |
| 42 | </para> |
| 43 | </formalpara> |
| 44 | </example> |
| 45 | </refsect1> |
| 46 | </refentry> |