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avrlib.rar ,一个学习AVR处理器十分有用的函数库.

          <td class="mdname" nowrap> <em>arg</em></td>
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Internal command function. Issues a generic MMC command as specified by cmd and arg. 
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Definition at line <a class="el" href="mmc_8c-source.html#l00189">189</a> of file <a class="el" href="mmc_8c-source.html">mmc.c</a>.    </td>
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          <td class="md" nowrap valign="top">void mmcInit           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">void&nbsp;</td>
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Initialize AVR&lt;-&gt;MMC hardware interface. Prepares hardware for MMC access. 
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Definition at line <a class="el" href="mmc_8c-source.html#l00040">40</a> of file <a class="el" href="mmc_8c-source.html">mmc.c</a>.    </td>
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          <td class="md" nowrap valign="top">u08 mmcRead           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">u32&nbsp;</td>
          <td class="mdname" nowrap> <em>sector</em>, </td>
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          <td class="md" nowrap align="right"></td>
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          <td class="md" nowrap>u08 *&nbsp;</td>
          <td class="mdname" nowrap> <em>buffer</em></td>
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Read 512-byte sector from card to buffer Returns zero if successful. 
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Definition at line <a class="el" href="mmc_8c-source.html#l00116">116</a> of file <a class="el" href="mmc_8c-source.html">mmc.c</a>.    </td>
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          <td class="md" nowrap valign="top">u08 mmcReset           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">void&nbsp;</td>
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Initialize the card and prepare it for use. Returns zero if successful. 
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Definition at line <a class="el" href="mmc_8c-source.html#l00049">49</a> of file <a class="el" href="mmc_8c-source.html">mmc.c</a>.    </td>
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          <td class="md" nowrap valign="top">u08 mmcSendCommand           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">u08&nbsp;</td>
          <td class="mdname" nowrap> <em>cmd</em>, </td>
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          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap>u32&nbsp;</td>
          <td class="mdname" nowrap> <em>arg</em></td>
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Send card an MMC command. Returns R1 result code. 
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Definition at line <a class="el" href="mmc_8c-source.html#l00102">102</a> of file <a class="el" href="mmc_8c-source.html">mmc.c</a>.    </td>
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          <td class="md" nowrap valign="top">u08 mmcWrite           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">u32&nbsp;</td>
          <td class="mdname" nowrap> <em>sector</em>, </td>
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          <td class="md" nowrap>u08 *&nbsp;</td>
          <td class="mdname" nowrap> <em>buffer</em></td>
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<p>
Write 512-byte sector from buffer to card Returns zero if successful. 
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Definition at line <a class="el" href="mmc_8c-source.html#l00147">147</a> of file <a class="el" href="mmc_8c-source.html">mmc.c</a>.    </td>
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