usart__example_8c.html.svn-base

avr32100.zip Embedded demo

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<a class="anchor" name="a4"></a><!-- doxytag: member="usart_example.c::pio_enable_module" ref="a4" args="(avr32_piomap_t piomap, unsigned int size)" --><p>
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          <td class="md" nowrap valign="top">int pio_enable_module           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top"><a class="el" href="usart__example_8c.html#a2">avr32_piomap_t</a>&nbsp;</td>
          <td class="mdname" nowrap> <em>piomap</em>, </td>
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          <td class="md" nowrap>unsigned int&nbsp;</td>
          <td class="mdname" nowrap> <em>size</em></td>
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          <td class="md">)&nbsp;</td>
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Definition at line <a class="el" href="usart__example_8c-source.html#l00107">107</a> of file <a class="el" href="usart__example_8c-source.html">usart_example.c</a>.
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References <a class="el" href="usart__example_8c-source.html#l00040">FAILURE</a>, and <a class="el" href="usart__example_8c-source.html#l00039">SUCCESS</a>.
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Referenced by <a class="el" href="usart__example_8c-source.html#l00068">main()</a>.<div class="fragment"><pre class="fragment"><a name="l00108"></a>00108 {
<a name="l00109"></a>00109   <span class="keywordtype">int</span> i;
<a name="l00110"></a>00110   <span class="keyword">volatile</span> <span class="keyword">struct </span>avr32_pio_t *pio;
<a name="l00111"></a>00111 
<a name="l00112"></a>00112   <span class="comment">/* get the base address for the port */</span>
<a name="l00113"></a>00113   <span class="keywordflow">switch</span> (**piomap/32) {
<a name="l00114"></a>00114 
<a name="l00115"></a>00115   <span class="keywordflow">case</span> 0:
<a name="l00116"></a>00116     pio = &amp;AVR32_PIOA;
<a name="l00117"></a>00117     <span class="keywordflow">break</span>;
<a name="l00118"></a>00118   <span class="keywordflow">case</span> 1:
<a name="l00119"></a>00119     pio = &amp;AVR32_PIOB;
<a name="l00120"></a>00120     <span class="keywordflow">break</span>;
<a name="l00121"></a>00121   <span class="keywordflow">case</span> 2:
<a name="l00122"></a>00122     pio = &amp;AVR32_PIOC;
<a name="l00123"></a>00123     <span class="keywordflow">break</span>;
<a name="l00124"></a>00124   <span class="keywordflow">case</span> 3:
<a name="l00125"></a>00125     pio = &amp;AVR32_PIOD;
<a name="l00126"></a>00126     <span class="keywordflow">break</span>;
<a name="l00127"></a>00127   <span class="keywordflow">case</span> 4:
<a name="l00128"></a>00128     pio = &amp;AVR32_PIOE;
<a name="l00129"></a>00129     <span class="keywordflow">break</span>;
<a name="l00130"></a>00130   <span class="keywordflow">default</span> :
<a name="l00131"></a>00131     <span class="keywordflow">return</span> <a class="code" href="usart__example_8c.html#a1">FAILURE</a>;
<a name="l00132"></a>00132 
<a name="l00133"></a>00133   }
<a name="l00134"></a>00134 
<a name="l00135"></a>00135   <span class="keywordflow">for</span>(i=0; i&lt;size; i++){
<a name="l00136"></a>00136 
<a name="l00137"></a>00137     pio-&gt;pdr |= ( 1&lt;&lt;( (**piomap) % 32) );
<a name="l00138"></a>00138     pio-&gt;pudr |= ( 1&lt;&lt;( (**piomap) % 32) );
<a name="l00139"></a>00139 
<a name="l00140"></a>00140     <span class="keywordflow">switch</span>( *(*piomap+1) ){
<a name="l00141"></a>00141     <span class="keywordflow">case</span> 0:
<a name="l00142"></a>00142       pio-&gt;asr |= ( 1&lt;&lt;( (**piomap) % 32) );
<a name="l00143"></a>00143       <span class="keywordflow">break</span>;
<a name="l00144"></a>00144     <span class="keywordflow">case</span> 1:
<a name="l00145"></a>00145       pio-&gt;bsr |= ( 1&lt;&lt;( (**piomap) % 32) );
<a name="l00146"></a>00146       <span class="keywordflow">break</span>;
<a name="l00147"></a>00147     <span class="keywordflow">default</span>:
<a name="l00148"></a>00148       <span class="keywordflow">return</span> <a class="code" href="usart__example_8c.html#a1">FAILURE</a>;
<a name="l00149"></a>00149     }
<a name="l00150"></a>00150 
<a name="l00151"></a>00151     piomap++;
<a name="l00152"></a>00152 
<a name="l00153"></a>00153   }
<a name="l00154"></a>00154 
<a name="l00155"></a>00155   <span class="keywordflow">return</span> <a class="code" href="usart__example_8c.html#a0">SUCCESS</a>;
<a name="l00156"></a>00156 }
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<a class="anchor" name="a3"></a><!-- doxytag: member="usart_example.c::print" ref="a3" args="(volatile struct avr32_usart_t *usart, char *str)" --><p>
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          <td class="md" nowrap valign="top">void print           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">volatile struct avr32_usart_t *&nbsp;</td>
          <td class="mdname" nowrap> <em>usart</em>, </td>
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          <td class="md"></td>
          <td class="md" nowrap>char *&nbsp;</td>
          <td class="mdname" nowrap> <em>str</em></td>
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          <td class="md">)&nbsp;</td>
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Definition at line <a class="el" href="usart__example_8c-source.html#l00099">99</a> of file <a class="el" href="usart__example_8c-source.html">usart_example.c</a>.
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References <a class="el" href="usart_8c-source.html#l00517">usart_putchar()</a>.
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Referenced by <a class="el" href="usart__example_8c-source.html#l00068">main()</a>.<div class="fragment"><pre class="fragment"><a name="l00100"></a>00100 {
<a name="l00101"></a>00101         <span class="keywordflow">while</span> (*str != <span class="charliteral">'\0'</span>)
<a name="l00102"></a>00102                 <a class="code" href="usart_8c.html#a18">usart_putchar</a>(usart, *str++);
<a name="l00103"></a>00103 
<a name="l00104"></a>00104 }
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<hr size="1"><address style="align: right;"><small>Generated on Tue May 2 15:00:51 2006 for AVR32100 Communication with the AVR32 USART by&nbsp;
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