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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"        "http://www.w3.org/TR/html4/loose.dtd"><html lang="en"><head><title>DscVoltageToDACode - Universal Driver Documentation</title><meta http-equiv="Content-type" content="text/html; charset=iso-8859-1"><meta name="robots" content="index,follow"><link rel="shortcut icon" href="/favicon.ico"><link rel="stylesheet" href="/dscud/style/wikiprintable.css"><script type="text/javascript" src="/dscud/style/wikibits.js"></script><style type='text/css'><!--a.new, #quickbar a.new { color: #CC2200; }#quickbar { position: absolute; top: 4px; left: 4px; border-right: 1px solid gray; }#article { margin-left: 152px; margin-right: 4px; }//--></style></head><body bgcolor='#FFFFFF'><div class='titlebox'><h1 class='pagetitle'>DscVoltageToDACode</h1><span class='subtitle'>Universal Driver Documentation</span></div><div class='navbox'><a href="manual_Main_Page.html" class='printable' title ="Main Page">Main Page</a> || <a href="manual_Table_of_Contents.html" class='printable' title ="Table of Contents">Table_of_Contents</a> || <a href="http://www.diamondsystems.com/">Diamond Systems Website</a></div></div><div class='bodytext'><a name="top"></a>Utility function for converting voltage to DA units based on the DA settings used.
<p>
<p><table border="0" id="toc"><tr><td align="center"><b>Table of contents</b> <script type='text/javascript'>showTocToggle("show","hide")</script></td></tr><tr id='tocinside'><td align="left"><div style="margin-bottom:0px;"><A CLASS="internal" HREF="#Function_Definition">1 Function Definition</A><BR></div><div style="margin-bottom:0px;"><A CLASS="internal" HREF="#Function_Parameters">2 Function Parameters</A><BR></div><div style="margin-bottom:0px;"><A CLASS="internal" HREF="#Return_Value">3 Return Value</A><BR></div><div style="margin-bottom:0px;"><A CLASS="internal" HREF="#Usage_Example">4 Usage Example</A><BR></div></td></tr></table><P><h2><a name="Function_Definition">Function Definition</a></h2>
<p>
BYTE dscVoltageToDACode(DSCB board, DSCDASETTINGS dasettings, DFLOAT voltage, DSCDACODE *dacode);<p><h2><a name="Function_Parameters">Function Parameters</a></h2>
<p>
<table border=1><tr ><TH>Name</TH><TH>Description</TH></tr><tr ><TD>board</TD><TD>The board handle</TD></tr><tr ><TD>dasettings</TD><TD>DA settings to be used in unit conversion</TD></tr><tr ><TD>voltage</TD><TD>The voltage to be converted</TD></tr><tr ><TD>dacode</TD><TD>Pointer to the variable that will hold the converted units</TD></tr></table><p>
<h2><a name="Return_Value">Return Value</a></h2>
<p>
Error code or 0.
<p>
<h2><a name="Usage_Example">Usage Example</a></h2>
<p>
<pre>
    ERRPARAMS errparams;
    DSCDASETTINGS adsettings;
    DSCB dscb;
    DSCDACODE dacode;
    DFLOAT voltage;
    BYTE result;

    /* Board initialization code omitted */

    voltage = 2.0;

    dasettings.polarity = BIPOLAR;
    dasettings.load_cal = TRUE;
    dasettings.range = 10.0;
    
    if ((result = dscVoltageToDACode(dscb, dasettings, voltage, &dacode)) != DE_NONE)
    {
        dscGetLastError(&errparams);
        fprintf(stderr, &quot;dscVoltageToDACode failed: %s (%s)\n&quot;, 
                dscGetErrorString(result), errparams.errstring);
        return result;
    }

    printf(&quot;Voltage: %5.3lfV, DA code: %d\n&quot;, voltage, adsample); 
</pre>
<p></div><p><em> <br> This page was last modified 00:28, 7 Aug 2004.<br>Copyright (c) 2004 Diamond Systems.  All Rights Reserved.</em><!-- Time since request: 0.14 secs. --></body></html>
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