pdc_8h.html

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          <td class="paramname"> <em>dev</em>          </td>
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Enable the PDC for the given peripheral device. 
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<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>dev</em>&nbsp;</td><td>pointer to the base memory address of the device </td></tr>
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Definition at line <a class="el" href="pdc_8c-source.html#l00074">74</a> of file <a class="el" href="pdc_8c-source.html">pdc.c</a>.
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References <a class="el" href="pdc_8c-source.html#l00027">PDC_RXTEN_OFFSET</a>, and <a class="el" href="pdc_8c-source.html#l00025">PDC_TXTEN_OFFSET</a>.
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Referenced by <a class="el" href="usart__example3_8c-source.html#l00047">main()</a>.<div class="fragment"><pre class="fragment"><a name="l00075"></a>00075 {
<a name="l00076"></a>00076         <span class="comment">/* Enable RX and TX */</span>
<a name="l00077"></a>00077         ((<span class="keyword">struct </span><a class="code" href="structperipheral__t.html">peripheral_t</a> *)dev)-&gt;ptcr =
<a name="l00078"></a>00078                 (1&lt;&lt;<a class="code" href="pdc_8c.html#5f47c2d0db1930eb79abdbf25c445070">PDC_RXTEN_OFFSET</a>)|(1&lt;&lt;<a class="code" href="pdc_8c.html#8b4837c0e964300473669232b1518e9f">PDC_TXTEN_OFFSET</a>);
<a name="l00079"></a>00079 }
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<a class="anchor" name="f018b706f6ae4dc602ecbfaef2f7bc91"></a><!-- doxytag: member="pdc.h::pdc_enableRx" ref="f018b706f6ae4dc602ecbfaef2f7bc91" args="(void *dev)" -->
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          <td class="memname">void pdc_enableRx           </td>
          <td>(</td>
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          <td class="paramname"> <em>dev</em>          </td>
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<p>
Enable the PDC receiver, the buffers will remain the same as they were before PDC got disabled (ie. the PDC continues were it left of. 
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<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>dev</em>&nbsp;</td><td>pointer to the base memory address of the device </td></tr>
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Definition at line <a class="el" href="pdc_8c-source.html#l00110">110</a> of file <a class="el" href="pdc_8c-source.html">pdc.c</a>.
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References <a class="el" href="pdc_8c-source.html#l00027">PDC_RXTEN_OFFSET</a>.
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Referenced by <a class="el" href="pdc_8c-source.html#l00138">pdc_setRxBuf()</a>.<div class="fragment"><pre class="fragment"><a name="l00111"></a>00111 {
<a name="l00112"></a>00112         <span class="comment">/* Enable RX */</span>
<a name="l00113"></a>00113         ((<span class="keyword">struct </span><a class="code" href="structperipheral__t.html">peripheral_t</a> *)dev)-&gt;ptcr = (1&lt;&lt;<a class="code" href="pdc_8c.html#5f47c2d0db1930eb79abdbf25c445070">PDC_RXTEN_OFFSET</a>);
<a name="l00114"></a>00114 }
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<a class="anchor" name="4d8e210909d08e220d94ba17f30d6788"></a><!-- doxytag: member="pdc.h::pdc_enableTx" ref="4d8e210909d08e220d94ba17f30d6788" args="(void *dev)" -->
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          <td class="memname">void pdc_enableTx           </td>
          <td>(</td>
          <td class="paramtype">void *&nbsp;</td>
          <td class="paramname"> <em>dev</em>          </td>
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<p>
Enable the PDC transmitter, the buffers will remain the same as they were before PDC got disabled (ie. the PDC continues were it left of). 
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<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>dev</em>&nbsp;</td><td>pointer to the base memory address of the device </td></tr>
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Definition at line <a class="el" href="pdc_8c-source.html#l00123">123</a> of file <a class="el" href="pdc_8c-source.html">pdc.c</a>.
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References <a class="el" href="pdc_8c-source.html#l00025">PDC_TXTEN_OFFSET</a>.
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Referenced by <a class="el" href="pdc_8c-source.html#l00195">pdc_setTxBuf()</a>.<div class="fragment"><pre class="fragment"><a name="l00124"></a>00124 {
<a name="l00125"></a>00125         ((<span class="keyword">struct </span><a class="code" href="structperipheral__t.html">peripheral_t</a> *)dev)-&gt;ptcr = (1&lt;&lt;<a class="code" href="pdc_8c.html#8b4837c0e964300473669232b1518e9f">PDC_TXTEN_OFFSET</a>);
<a name="l00126"></a>00126 }
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<a class="anchor" name="2b547452934d9ac4de77067b9f0a50fe"></a><!-- doxytag: member="pdc.h::pdc_flushCache" ref="2b547452934d9ac4de77067b9f0a50fe" args="(void *buffer, unsigned short size)" -->
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          <td class="memname">void pdc_flushCache           </td>
          <td>(</td>
          <td class="paramtype">void *&nbsp;</td>
          <td class="paramname"> <em>buffer</em>, </td>
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          <td class="paramtype">unsigned short&nbsp;</td>
          <td class="paramname"> <em>size</em></td><td>&nbsp;</td>
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<p>
Flush the cache at a given address. 
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<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>buffer</em>&nbsp;</td><td>address to a buffer in memory </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>size</em>&nbsp;</td><td>size of the buffer </td></tr>
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Definition at line <a class="el" href="pdc_8c-source.html#l00310">310</a> of file <a class="el" href="pdc_8c-source.html">pdc.c</a>.
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Referenced by <a class="el" href="pdc__example_8c-source.html#l00110">main()</a>, and <a class="el" href="usart__example3_8c-source.html#l00030">usart_int_handler()</a>.<div class="fragment"><pre class="fragment"><a name="l00311"></a>00311 {
<a name="l00312"></a>00312         <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i;
<a name="l00313"></a>00313         <span class="keywordtype">long</span> memoryAddress = (long) buffer;
<a name="l00314"></a>00314 
<a name="l00315"></a>00315         <span class="keywordflow">for</span>( i = 0; i &lt; size; ++i ) {
<a name="l00316"></a>00316                 __asm__ <span class="keyword">volatile</span> ( <span class="stringliteral">"cache %0, 0x0C\n"</span>
<a name="l00317"></a>00317                                 :
<a name="l00318"></a>00318                                 : <span class="stringliteral">"r"</span>(memoryAddress) );
<a name="l00319"></a>00319 
<a name="l00320"></a>00320                 memoryAddress += 32;
<a name="l00321"></a>00321         }
<a name="l00322"></a>00322 }
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<a class="anchor" name="a6bf86e9cb96bfd942f55ce8373b1d8d"></a><!-- doxytag: member="pdc.h::pdc_getRcr" ref="a6bf86e9cb96bfd942f55ce8373b1d8d" args="(void *dev)" -->
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          <td class="memname">int pdc_getRcr           </td>
          <td>(</td>
          <td class="paramtype">void *&nbsp;</td>
          <td class="paramname"> <em>dev</em>          </td>
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<p>
Check remaining size of current receive buffer. 
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<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>dev</em>&nbsp;</td><td>pointer to the base memory address of the device</td></tr>
  </table>
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<dl class="return" compact><dt><b>Returns:</b></dt><dd>number of free bytes remaining in the current receive buffer </dd></dl>

<p>
Definition at line <a class="el" href="pdc_8c-source.html#l00249">249</a> of file <a class="el" href="pdc_8c-source.html">pdc.c</a>.<div class="fragment"><pre class="fragment"><a name="l00250"></a>00250 {
<a name="l00251"></a>00251         <span class="keywordtype">int</span> bytes = 0;
<a name="l00252"></a>00252         bytes += ((<span class="keyword">struct </span><a class="code" href="structperipheral__t.html">peripheral_t</a> *)dev)-&gt;rcr;
<a name="l00253"></a>00253 
<a name="l00254"></a>00254         <span class="keywordflow">return</span> bytes;
<a name="l00255"></a>00255 }
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<a class="anchor" name="dd7ed0da82ce9355870e9daa04088b37"></a><!-- doxytag: member="pdc.h::pdc_getTcr" ref="dd7ed0da82ce9355870e9daa04088b37" args="(void *dev)" -->
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          <td class="memname">int pdc_getTcr           </td>
          <td>(</td>
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          <td class="paramname"> <em>dev</em>          </td>
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<p>
Check remaining size of current transmit buffer. 
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<dl compact><dt><b>Parameters:</b></dt><dd>