mmc_8h.html

MP3 Player Source Code

00462 <span class="preprocessor"></span>    ConsoleWrite(<span class="stringliteral">"!s}"</span>);
00463 <span class="preprocessor">#endif</span>
00464 <span class="preprocessor"></span>    <span class="keywordflow">return</span> 7; <span class="comment">/* failed to execute mmc command */</span>
00465   }
00466   
00467   <a class="code" href="board_8h.html#a29">MMC_XCS</a> = <a class="code" href="board_8h.html#a31">MMC_NOT_SELECTED</a>;
00468   
00469 <span class="preprocessor">#ifdef MMCDEBUG</span>
00470 <span class="preprocessor"></span>  ConsoleWrite(<span class="stringliteral">"s}"</span>);
00471 <span class="preprocessor">#endif</span>
00472 <span class="preprocessor"></span>  <span class="keywordflow">return</span> 0; <span class="comment">//ok return</span>
00473 }
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<a class="anchor" name="a4" doxytag="mmc.h::WritePhysicalSector" ></a><p>
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          <td class="md" nowrap valign="top"> unsigned char WritePhysicalSector           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
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<p>
Perform MMC block write from <b>*dataBufPtr</b> to sector sectorAddress.l. 
<p>

<p>
Definition at line <a class="el" href="mmc_8c-source.html#l00502">502</a> of file <a class="el" href="mmc_8c-source.html">mmc.c</a>.
<p>
References <a class="el" href="unionAddress.html#o1">Address::b</a>, <a class="el" href="buffer_8h-source.html#l00131">Address::B::b0</a>, <a class="el" href="buffer_8h-source.html#l00132">Address::B::b1</a>, <a class="el" href="buffer_8h-source.html#l00133">Address::B::b2</a>, <a class="el" href="buffer_8h-source.html#l00107">DiskBlock::Raw::buf</a>, <a class="el" href="buffer_8c-source.html#l00013">dataBufPtr</a>, <a class="el" href="buffer_8c-source.html#l00010">diskSect</a>, <a class="el" href="buffer_8h-source.html#l00129">Address::l</a>, <a class="el" href="board_8h-source.html#l00075">LED_OFF</a>, <a class="el" href="board_8h-source.html#l00072">LED_ON</a>, <a class="el" href="board_8h-source.html#l00159">MMC_NOT_SELECTED</a>, <a class="el" href="board_8h-source.html#l00156">MMC_SELECTED</a>, <a class="el" href="board_8h-source.html#l00153">MMC_XCS</a>, <a class="el" href="mmc_8c-source.html#l00019">MmcCommand()</a>, <a class="el" href="mmc_8c-source.html#l00102">MmcWaitForData()</a>, <a class="el" href="unionDiskBlock.html#o1">DiskBlock::raw</a>, <a class="el" href="board_8h-source.html#l00066">RED_LED</a>, <a class="el" href="buffer_8c-source.html#l00015">sectorAddress</a>, <a class="el" href="board_8c-source.html#l00026">SPI8Clocks()</a>, <a class="el" href="board_8c-source.html#l00018">SPIGetChar()</a>, <a class="el" href="board_8h-source.html#l00220">SPIPutCharWithoutWaiting</a>, and <a class="el" href="board_8h-source.html#l00214">SPIWait</a>.
<p>
Referenced by <a class="el" href="storage_8c-source.html#l00183">WriteDiskSector()</a>.
<p>
<pre class="fragment"><div>00502                                    {
00503   <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> c;  
00504 
00505 <span class="preprocessor">#ifdef MMCDEBUG</span>
00506 <span class="preprocessor"></span>  ConsoleWrite(<span class="stringliteral">"&lt;W"</span>);
00507 <span class="preprocessor">#endif  </span>
00508 <span class="preprocessor"></span>
00509   <a class="code" href="board_8h.html#a10">RED_LED</a> = <a class="code" href="board_8h.html#a12">LED_ON</a>;
00510   <a class="code" href="buffer_8c.html#a2">sectorAddress</a>.<a class="code" href="unionAddress.html#o0">l</a> = <a class="code" href="buffer_8c.html#a2">sectorAddress</a>.<a class="code" href="unionAddress.html#o0">l</a> * 2; <span class="comment">//convert to bytes (combined with 8bit shift)</span>
00511   c=<a class="code" href="mmc_8c.html#a0">MmcCommand</a>(24 | 0x40 ,<a class="code" href="buffer_8c.html#a2">sectorAddress</a>.<a class="code" href="unionAddress.html#o1">b</a>.<a class="code" href="structAddress_1_1B.html#o2">b2</a>,<a class="code" href="buffer_8c.html#a2">sectorAddress</a>.<a class="code" href="unionAddress.html#o1">b</a>.<a class="code" href="structAddress_1_1B.html#o1">b1</a>,
00512                <a class="code" href="buffer_8c.html#a2">sectorAddress</a>.<a class="code" href="unionAddress.html#o1">b</a>.<a class="code" href="structAddress_1_1B.html#o0">b0</a>, 0);
00513   <a class="code" href="buffer_8c.html#a2">sectorAddress</a>.<a class="code" href="unionAddress.html#o0">l</a> = <a class="code" href="buffer_8c.html#a2">sectorAddress</a>.<a class="code" href="unionAddress.html#o0">l</a> &gt;&gt; 1; <span class="comment">//convert back to blocks</span>
00514   <a class="code" href="board_8h.html#a29">MMC_XCS</a> = <a class="code" href="board_8h.html#a30">MMC_SELECTED</a>;
00515 
00516  
00517   <a class="code" href="buffer_8c.html#a1">dataBufPtr</a> = <a class="code" href="buffer_8c.html#a0">diskSect</a>.<a class="code" href="unionDiskBlock.html#o1">raw</a>.<a class="code" href="structDiskBlock_1_1Raw.html#o0">buf</a>;
00518   <a class="code" href="board_8h.html#a43">SPIPutCharWithoutWaiting</a>(0xFE);
00519   <a class="code" href="board_8h.html#a41">SPIWait</a>();
00520   
00521   <span class="keywordflow">for</span> (c=0;c&lt;128;c++){
00522     <a class="code" href="board_8h.html#a43">SPIPutCharWithoutWaiting</a>(*dataBufPtr++);   
00523     <a class="code" href="board_8h.html#a41">SPIWait</a>();
00524     <a class="code" href="board_8h.html#a43">SPIPutCharWithoutWaiting</a>(*dataBufPtr++);   
00525     <a class="code" href="board_8h.html#a41">SPIWait</a>();
00526     <a class="code" href="board_8h.html#a43">SPIPutCharWithoutWaiting</a>(*dataBufPtr++);   
00527     <a class="code" href="board_8h.html#a41">SPIWait</a>();
00528     <a class="code" href="board_8h.html#a43">SPIPutCharWithoutWaiting</a>(*dataBufPtr++);   
00529     <a class="code" href="board_8h.html#a41">SPIWait</a>();
00530   }
00531 
00532   <a class="code" href="mmc_8c.html#a1">MmcWaitForData</a>(); <span class="comment">//Wait for 0xFE token</span>
00533   <span class="keywordflow">while</span> (<a class="code" href="board_8c.html#a1">SPIGetChar</a>()==0) 
00534     ; <span class="comment">// Wait until MMC not busy.     </span>
00535 
00536 <span class="preprocessor">#ifdef MMCDEBUG</span>
00537 <span class="preprocessor"></span>  ConsoleWrite(<span class="stringliteral">"W&gt;"</span>);
00538 <span class="preprocessor">#endif  </span>
00539 <span class="preprocessor"></span>
00540   
00541   <a class="code" href="board_8h.html#a48">SPI8Clocks</a>(16);
00542   <a class="code" href="board_8h.html#a29">MMC_XCS</a> = <a class="code" href="board_8h.html#a31">MMC_NOT_SELECTED</a>;
00543   <a class="code" href="board_8h.html#a48">SPI8Clocks</a>(16);
00544 
00545   <a class="code" href="board_8h.html#a10">RED_LED</a> = <a class="code" href="board_8h.html#a13">LED_OFF</a>;
00546 
00547 }
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<hr><h2>Variable Documentation</h2>
<a class="anchor" name="a0" doxytag="mmc.h::storageFlags" ></a><p>
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          <td class="md" nowrap valign="top"> xdata unsigned char <a class="el" href="storage_8c.html#a0">storageFlags</a>          </td>
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<p>
Storage status flags. 
<p>
<ul>
<li>Bit 1 (LSB): 1=Device does not support interrupted read</li><li>Bit 2: 1=A sector is seeked and ready for reading</li><li>Bit 3: 1=No storage </li></ul>

<p>
Definition at line <a class="el" href="mmc_8h-source.html#l00008">8</a> of file <a class="el" href="mmc_8h-source.html">mmc.h</a>.
<p>
Referenced by <a class="el" href="storage_8c-source.html#l00043">InitStorage()</a>, <a class="el" href="storage_8c-source.html#l00071">PrepareToReadDiskSector()</a>, and <a class="el" href="storage_8c-source.html#l00110">ReadDiskSector()</a>.    </td>
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<FONT SIZE="-1">
All software copyright 2000-2004 <a href="http://www.vlsi.fi/"> VLSI Solution OY.</a>
Redistribution of these software modules are limited to promotional use only
and only with the VS1011 / VS1002 / VS1003  MP3-Evakit evaluation boards. Free or
commercial use of these software modules in MP3 players is ok if the
product includes MP3 decoder chip(s) from VLSI. You can request the complete
(compilable) package from [e-mail]
</FONT>