group__byteordering.html

Code to access MMC/SD cards with FAT16/FAT32 file system on an Atmel AVR8. Code contains SDHC suppor

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          <td class="memname">#define LTOH32          </td>
          <td>(</td>
          <td class="paramtype">val&nbsp;</td>
          <td class="paramname">          </td>
          <td>&nbsp;)&nbsp;</td>
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<p>
Converts a 32-bit integer to host byte order. 
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Use this macro for compile time constants only. For variable values use the function <a class="el" href="group__byteordering.html#ga6a3e9e41e5a7fa0c61a9b7355135977" title="Converts a 32-bit integer to host byte order.">ltoh32()</a> instead. This saves code size.<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"><tt>[in]</tt>&nbsp;</td><td valign="top"><em>val</em>&nbsp;</td><td>A 32-bit integer in little-endian byte order. </td></tr>
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</dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>The given 32-bit integer converted to host byte order. </dd></dl>

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<hr><h2>Function Documentation</h2>
<a class="anchor" name="gb0e4bd12631fd8f1c1566b53cc5d701b"></a><!-- doxytag: member="byteordering.c::htol16" ref="gb0e4bd12631fd8f1c1566b53cc5d701b" args="(uint16_t h)" -->
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          <td class="memname">uint16_t htol16           </td>
          <td>(</td>
          <td class="paramtype">uint16_t&nbsp;</td>
          <td class="paramname"> <em>h</em>          </td>
          <td>&nbsp;)&nbsp;</td>
          <td></td>
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<p>
Converts a 16-bit integer to little-endian byte order. 
<p>
Use this function on variable values instead of the macro <a class="el" href="group__byteordering.html#gfe6b840e18479649f2f279510841b725" title="Converts a 16-bit integer to little-endian byte order.">HTOL16()</a>. This saves code size.<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"><tt>[in]</tt>&nbsp;</td><td valign="top"><em>h</em>&nbsp;</td><td>A 16-bit integer in host byte order. </td></tr>
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</dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>The given 16-bit integer converted to little-endian byte order. </dd></dl>

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<a class="anchor" name="gd99f704c5d785948044d1a0a81ffdd78"></a><!-- doxytag: member="byteordering.c::htol32" ref="gd99f704c5d785948044d1a0a81ffdd78" args="(uint32_t h)" -->
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          <td class="memname">uint32_t htol32           </td>
          <td>(</td>
          <td class="paramtype">uint32_t&nbsp;</td>
          <td class="paramname"> <em>h</em>          </td>
          <td>&nbsp;)&nbsp;</td>
          <td></td>
        </tr>
      </table>
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<div class="memdoc">

<p>
Converts a 32-bit integer to little-endian byte order. 
<p>
Use this function on variable values instead of the macro <a class="el" href="group__byteordering.html#g4721d1b0a8ce813e569f1f50e28cbd49" title="Converts a 32-bit integer to little-endian byte order.">HTOL32()</a>. This saves code size.<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"><tt>[in]</tt>&nbsp;</td><td valign="top"><em>h</em>&nbsp;</td><td>A 32-bit integer in host byte order. </td></tr>
  </table>
</dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>The given 32-bit integer converted to little-endian byte order. </dd></dl>

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<a class="anchor" name="g956619f7d735460ad335c33399a5bfd0"></a><!-- doxytag: member="byteordering.h::ltoh16" ref="g956619f7d735460ad335c33399a5bfd0" args="(uint16_t l)" -->
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          <td class="memname">uint16_t ltoh16           </td>
          <td>(</td>
          <td class="paramtype">uint16_t&nbsp;</td>
          <td class="paramname"> <em>l</em>          </td>
          <td>&nbsp;)&nbsp;</td>
          <td></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>
Converts a 16-bit integer to host byte order. 
<p>
Use this function on variable values instead of the macro <a class="el" href="group__byteordering.html#g5c0de5da892f4416d2e6a08a4313dd43" title="Converts a 16-bit integer to host byte order.">LTOH16()</a>. This saves code size.<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"><tt>[in]</tt>&nbsp;</td><td valign="top"><em>l</em>&nbsp;</td><td>A 16-bit integer in little-endian byte order. </td></tr>
  </table>
</dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>The given 16-bit integer converted to host byte order. </dd></dl>

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<a class="anchor" name="ga6a3e9e41e5a7fa0c61a9b7355135977"></a><!-- doxytag: member="byteordering.h::ltoh32" ref="ga6a3e9e41e5a7fa0c61a9b7355135977" args="(uint32_t l)" -->
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          <td class="memname">uint32_t ltoh32           </td>
          <td>(</td>
          <td class="paramtype">uint32_t&nbsp;</td>
          <td class="paramname"> <em>l</em>          </td>
          <td>&nbsp;)&nbsp;</td>
          <td></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>
Converts a 32-bit integer to host byte order. 
<p>
Use this function on variable values instead of the macro <a class="el" href="group__byteordering.html#gd6a95c92a285d197c78cd0c680266682" title="Converts a 32-bit integer to host byte order.">LTOH32()</a>. This saves code size.<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"><tt>[in]</tt>&nbsp;</td><td valign="top"><em>l</em>&nbsp;</td><td>A 32-bit integer in little-endian byte order. </td></tr>
  </table>
</dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>The given 32-bit integer converted to host byte order. </dd></dl>

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