<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>
  <head>
    <meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1">
    <title>avr-libc: power.h File Reference</title>
    <link href="dox.css" rel="stylesheet" type="text/css">
  </head>
<body>
<center>
<table width="80%">
  <tr>
    <td align="left"><a href="http://www.nongnu.org/avr-libc/">AVR Libc Home Page</a></td>
    <td align="center" colspan=4><img src="avrs.png" alt="AVRs" align="middle" border="0"></td>
    <td align="right"><a href="https://savannah.nongnu.org/projects/avr-libc/">AVR Libc Development Pages</a></td>
  </tr>
  <tr>
    <td align="center" width="13%"><a href="index.html">Main Page</a></td>
    <td align="center" width="13%"><a href="pages.html">User Manual</a></td>
    <td align="center" width="13%"><a href="modules.html">Library Reference</a></td>
    <td align="center" width="13%"><a href="FAQ.html">FAQ</a></td>
    <td align="center" width="13%"><a href="globals.html">Alphabetical Index</a></td>
    <td align="center" width="13%"><a href="group__demos.html">Example Projects</a></td>
  </tr>
</table>
</center>
<hr width="80%">
<!-- Generated by Doxygen 1.5.6 -->
<div class="contents">
<h1>power.h File Reference</h1><hr><a name="_details"></a><h2>Detailed Description</h2>

<p>
<table border="0" cellpadding="0" cellspacing="0">
<tr><td></td></tr>
<tr><td colspan="2"><br><h2>Defines</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="7671addc7678720510a30518034e3ea9"></a><!-- doxytag: member="power.h::_AVR_POWER_H_" ref="7671addc7678720510a30518034e3ea9" args="" -->
#define&nbsp;</td><td class="memItemRight" valign="bottom"><b>_AVR_POWER_H_</b>&nbsp;&nbsp;&nbsp;1</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top">#define&nbsp;</td><td class="memItemRight" valign="bottom"><b>clock_prescale_set</b>(x)</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="7154fa3046d3387af8d6c5f489bf7194"></a><!-- doxytag: member="power.h::clock_prescale_get" ref="7154fa3046d3387af8d6c5f489bf7194" args="()" -->
#define&nbsp;</td><td class="memItemRight" valign="bottom"><b>clock_prescale_get</b>()&nbsp;&nbsp;&nbsp;(clock_div_t)(CLKPR &amp; (<a class="el" href="group__avr__stdint.html#gba7bc1797add20fe3efdf37ced1182c5">uint8_t</a>)((1&lt;&lt;CLKPS0)|(1&lt;&lt;CLKPS1)|(1&lt;&lt;CLKPS2)|(1&lt;&lt;CLKPS3)))</td></tr>

<tr><td colspan="2"><br><h2>Enumerations</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">enum &nbsp;</td><td class="memItemRight" valign="bottom"><b>clock_div_t</b> { <br>
&nbsp;&nbsp;<b>clock_div_1</b> =  0, 
<b>clock_div_2</b> =  1, 
<b>clock_div_4</b> =  2, 
<b>clock_div_8</b> =  3, 
<br>
&nbsp;&nbsp;<b>clock_div_16</b> =  4, 
<b>clock_div_32</b> =  5, 
<b>clock_div_64</b> =  6, 
<b>clock_div_128</b> =  7, 
<br>
&nbsp;&nbsp;<b>clock_div_256</b> =  8
<br>
 }</td></tr>

</table>
<hr><h2>Define Documentation</h2>
<a class="anchor" name="2fd1aa8f501486943d14976734a8721f"></a><!-- doxytag: member="power.h::clock_prescale_set" ref="2fd1aa8f501486943d14976734a8721f" args="(x)" -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">#define clock_prescale_set          </td>
          <td>(</td>
          <td class="paramtype">x&nbsp;</td>
          <td class="paramname">          </td>
          <td>&nbsp;)&nbsp;</td>
          <td></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>
<b>Value:</b><div class="fragment"><pre class="fragment">{ \
        <a class="code" href="group__avr__stdint.html#gba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> tmp = <a class="code" href="group__avr__sfr.html#g11643f271076024c395a93800b3d9546">_BV</a>(CLKPCE); \
        __asm__ __volatile__ ( \
                <span class="stringliteral">"in __tmp_reg__,__SREG__"</span> <span class="stringliteral">"\n\t"</span> \
                <span class="stringliteral">"cli"</span> <span class="stringliteral">"\n\t"</span> \
                <span class="stringliteral">"sts %1, %0"</span> <span class="stringliteral">"\n\t"</span> \
                <span class="stringliteral">"sts %1, %2"</span> <span class="stringliteral">"\n\t"</span> \
                <span class="stringliteral">"out __SREG__, __tmp_reg__"</span> \
                : <span class="comment">/* no outputs */</span> \
                : <span class="stringliteral">"d"</span> (tmp), \
                  <span class="stringliteral">"M"</span> (_SFR_MEM_ADDR(CLKPR)), \
                  <span class="stringliteral">"d"</span> (x) \
                : <span class="stringliteral">"r0"</span>); \
}
</pre></div>
</div>
</div><p>
</div>

<hr width="80%">
<p><center>Automatically generated by Doxygen 1.5.6 on 4 Dec 2008.</center></p>

</body>
</html>