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<title>20.1.2 Port Objects
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<H2><A NAME=
"SECTION0022120000000000000000"></A><A NAME=
"al-port-objects"></A>
Port objects, as returned by
<tt class=
"function">openport()
</tt>, have the following
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<td><nobr><b><tt id='l2h-
5054' xml:id='l2h-
5054'
class=
"method">closeport
</tt></b>(
</nobr></td>
<td><var></var>)
</td></tr></table></dt>
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"0" cellspacing=
"0"><tr valign=
"baseline">
<td><nobr><b><tt id='l2h-
5055' xml:id='l2h-
5055'
class=
"method">getfd
</tt></b>(
</nobr></td>
<td><var></var>)
</td></tr></table></dt>
Return the file descriptor as an int.
<dl><dt><table cellpadding=
"0" cellspacing=
"0"><tr valign=
"baseline">
<td><nobr><b><tt id='l2h-
5056' xml:id='l2h-
5056'
class=
"method">getfilled
</tt></b>(
</nobr></td>
<td><var></var>)
</td></tr></table></dt>
Return the number of filled samples.
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"0" cellspacing=
"0"><tr valign=
"baseline">
<td><nobr><b><tt id='l2h-
5057' xml:id='l2h-
5057'
class=
"method">getfillable
</tt></b>(
</nobr></td>
<td><var></var>)
</td></tr></table></dt>
Return the number of fillable samples.
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"0" cellspacing=
"0"><tr valign=
"baseline">
<td><nobr><b><tt id='l2h-
5058' xml:id='l2h-
5058'
class=
"method">readsamps
</tt></b>(
</nobr></td>
<td><var>nsamples
</var>)
</td></tr></table></dt>
Read a number of samples from the queue, blocking if necessary.
Return the data as a string containing the raw data, (e.g.,
2 bytes per
sample in big-endian byte order (high byte, low byte) if you have set
the sample width to
2 bytes).
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<td><nobr><b><tt id='l2h-
5059' xml:id='l2h-
5059'
class=
"method">writesamps
</tt></b>(
</nobr></td>
<td><var>samples
</var>)
</td></tr></table></dt>
Write samples into the queue, blocking if necessary. The samples are
encoded as described for the
<tt class=
"method">readsamps()
</tt> return value.
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"0" cellspacing=
"0"><tr valign=
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<td><nobr><b><tt id='l2h-
5060' xml:id='l2h-
5060'
class=
"method">getfillpoint
</tt></b>(
</nobr></td>
<td><var></var>)
</td></tr></table></dt>
<dl><dt><table cellpadding=
"0" cellspacing=
"0"><tr valign=
"baseline">
<td><nobr><b><tt id='l2h-
5061' xml:id='l2h-
5061'
class=
"method">setfillpoint
</tt></b>(
</nobr></td>
<td><var>fillpoint
</var>)
</td></tr></table></dt>
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"0" cellspacing=
"0"><tr valign=
"baseline">
<td><nobr><b><tt id='l2h-
5062' xml:id='l2h-
5062'
class=
"method">getconfig
</tt></b>(
</nobr></td>
<td><var></var>)
</td></tr></table></dt>
Return a configuration object containing the current configuration of
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"0" cellspacing=
"0"><tr valign=
"baseline">
<td><nobr><b><tt id='l2h-
5063' xml:id='l2h-
5063'
class=
"method">setconfig
</tt></b>(
</nobr></td>
<td><var>config
</var>)
</td></tr></table></dt>
Set the configuration from the argument, a configuration object.
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"0" cellspacing=
"0"><tr valign=
"baseline">
<td><nobr><b><tt id='l2h-
5064' xml:id='l2h-
5064'
class=
"method">getstatus
</tt></b>(
</nobr></td>
<td><var>list
</var>)
</td></tr></table></dt>
Get status information on last error.
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<span class=
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2.4.2, documentation updated on
28 September
2005.
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