<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN""http://www.w3.org/TR/html4/loose.dtd">
<HTML
><HEAD
><TITLE
>comedi_get_range</TITLE
><META
NAME="GENERATOR"
CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK
REL="HOME"
TITLE=" Comedi
"
HREF="index.html"><LINK
REL="UP"
TITLE=" Comedi Function Reference
"
HREF="x4629.html#FUNCTIONREFERENCE"><LINK
REL="PREVIOUS"
TITLE="comedi_get_n_ranges"
HREF="r5360.html"><LINK
REL="NEXT"
TITLE="comedi_find_range"
HREF="r5408.html"></HEAD
><BODY
CLASS="REFENTRY"
BGCOLOR="#FFFFFF"
TEXT="#000000"
LINK="#0000FF"
VLINK="#840084"
ALINK="#0000FF"
><DIV
CLASS="NAVHEADER"
><TABLE
SUMMARY="Header navigation table"
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
><TR
><TH
COLSPAN="3"
ALIGN="center"
>Comedi: The <SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>Control and Measurement Device Interface</I
></SPAN
>
handbook
</TH
></TR
><TR
><TD
WIDTH="10%"
ALIGN="left"
VALIGN="bottom"
><A
HREF="r5360.html"
ACCESSKEY="P"
>Prev</A
></TD
><TD
WIDTH="80%"
ALIGN="center"
VALIGN="bottom"
></TD
><TD
WIDTH="10%"
ALIGN="right"
VALIGN="bottom"
><A
HREF="r5408.html"
ACCESSKEY="N"
>Next</A
></TD
></TR
></TABLE
><HR
ALIGN="LEFT"
WIDTH="100%"></DIV
><H1
><A
NAME="FUNC-REF-COMEDI-GET-RANGE"
></A
>comedi_get_range</H1
><DIV
CLASS="REFNAMEDIV"
><A
NAME="AEN5387"
></A
><H2
>Name</H2
>comedi_get_range -- range information of channel</DIV
><DIV
CLASS="REFSYNOPSISDIV"
><A
NAME="AEN5390"
></A
><H2
>Synopsis</H2
><DIV
CLASS="FUNCSYNOPSIS"
><P
></P
><A
NAME="AEN5391"
></A
><PRE
CLASS="FUNCSYNOPSISINFO"
>#include <comedilib.h></PRE
><P
><CODE
><CODE
CLASS="FUNCDEF"
>comedi_range * comedi_get_range</CODE
>(comedi_t * device, unsigned int subdevice, unsigned int channel, unsigned int range);</CODE
></P
><P
></P
></DIV
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN5404"
></A
><H2
> Description
</H2
><P
>The function comedi_get_range() returns a pointer to a
comedi_range structure that contains information that can be used to
convert sample values to or from physical units. The pointer is valid
until the Comedi device device is closed. If there is an
error, NULL is returned.</P
><P
> </P
></DIV
><DIV
CLASS="NAVFOOTER"
><HR
ALIGN="LEFT"
WIDTH="100%"><TABLE
SUMMARY="Footer navigation table"
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
><A
HREF="r5360.html"
ACCESSKEY="P"
>Prev</A
></TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="index.html"
ACCESSKEY="H"
>Home</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
><A
HREF="r5408.html"
ACCESSKEY="N"
>Next</A
></TD
></TR
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
>comedi_get_n_ranges</TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="x4629.html#FUNCTIONREFERENCE"
ACCESSKEY="U"
>Up</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
>comedi_find_range</TD
></TR
></TABLE
></DIV
></BODY
></HTML
>
