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ch08s09.html

ch08s09.html 5.2 KB
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  1. <html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>Support Functions</title><meta name="generator" content="DocBook XSL Stylesheets V1.76.1"><meta name="keywords" content="Intellon, Atheros, Qualcomm, HomePlug, powerline, communications, INT6000, INT6300, INT6400, AR7400, AR7420"><link rel="home" href="index.html" title="Qualcomm Atheros Open Powerline Toolkit"><link rel="up" href="ch08.html" title="Chapter 8.  Serial Drivers"><link rel="prev" href="ch08s08.html" title="DMA Functions"><link rel="next" href="ch08s10.html" title="Kernel Functions"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">
    2. 

  2. 				Support Functions
    3. 

  3. 				</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="ch08s08.html">Prev</a> </td><th width="60%" align="center">Chapter 8. 
    4. 

  4. 		Serial Drivers
    5. 

  5. 		</th><td width="20%" align="right"> <a accesskey="n" href="ch08s10.html">Next</a></td></tr></table><hr></div><div class="section" title="Support Functions"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="qcaspi7"></a>
    6. 

  6. 				Support Functions
    7. 

  7. 				</h2></div></div></div><div class="section" title="QcaFrmCreateHeader"><div class="titlepage"><div><div><h3 class="title"><a name="QcaFrmCreateHeader"></a>
    8. 

  8. 				QcaFrmCreateHeader
    9. 

  9. 				</h3></div></div></div><div class="funcsynopsis"><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" class="funcprototype-table"><tr><td><code class="funcdef">uint32_t <b class="fsfunc">QcaFrmCreateHeader</b>(</code></td><td><var class="pdparam">buffer</var>, </td><td> </td></tr><tr><td> </td><td><var class="pdparam">length</var><code>)</code>;</td><td> </td></tr></table><div class="paramdef-list"><code>uint8_t * <var class="pdparam">buffer</var></code>;<br><code>uint16_t <var class="pdparam">length</var></code>;</div><div class="funcprototype-spacer"> </div></div><p>
    10. 

  10. 				Encode buffer with the required SPI header and overall frame length.
    11. 

  11. 				</p></div><div class="section" title="QcaFrmCreateFooter"><div class="titlepage"><div><div><h3 class="title"><a name="QcaFrmCreateFooter"></a>
    12. 

  12. 				QcaFrmCreateFooter
    13. 

  13. 				</h3></div></div></div><div class="funcsynopsis"><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" class="funcprototype-table"><tr><td><code class="funcdef">uint32_t <b class="fsfunc">QcaFrmCreateFooter</b>(</code></td><td><var class="pdparam">buffer</var><code>)</code>;</td><td> </td></tr></table><div class="paramdef-list"><code>uint8_t * <var class="pdparam">buffer</var></code>;</div><div class="funcprototype-spacer"> </div></div><p>
    14. 

  14. 				Encode buffer with the required SPI footer. 
    15. 

  15. 				</p></div><div class="section" title="QcaFrmFsmInit"><div class="titlepage"><div><div><h3 class="title"><a name="QcaFrmFsmInit"></a>
    16. 

  16. 				QcaFrmFsmInit
    17. 

  17. 				</h3></div></div></div><div class="funcsynopsis"><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" class="funcprototype-table"><tr><td><code class="funcdef">void <b class="fsfunc">QcaFrmFsmInit</b>(</code></td><td><var class="pdparam">frmHdl</var><code>)</code>;</td><td> </td></tr></table><div class="paramdef-list"><code>QcaFrmHdl * <var class="pdparam">frmHdl</var></code>;</div><div class="funcprototype-spacer"> </div></div><p>
    18. 

  18. 				Initialize the state machine used to decode the incoming QCA7000 byte stream.
    19. 

  19. 				</p></div><div class="section" title="QcaFrmFsmDecode"><div class="titlepage"><div><div><h3 class="title"><a name="QcaFrmFsmDecode"></a>
    20. 

  20. 				QcaFrmFsmDecode
    21. 

  21. 				</h3></div></div></div><div class="funcsynopsis"><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" class="funcprototype-table"><tr><td><code class="funcdef">uint32_t <b class="fsfunc">QcaFrmFsmDecode</b>(</code></td><td><var class="pdparam">frmHdl</var>, </td><td> </td></tr><tr><td> </td><td><var class="pdparam">buffer</var>, </td><td> </td></tr><tr><td> </td><td><var class="pdparam">length</var>, </td><td> </td></tr><tr><td> </td><td><var class="pdparam">bytevalue</var><code>)</code>;</td><td> </td></tr></table><div class="paramdef-list"><code>QcaFrmHdl * <var class="pdparam">frmHdl</var></code>;<br><code>uint8_t * <var class="pdparam">buffer</var></code>;<br><code>uint16_t <var class="pdparam">length</var></code>;<br><code>uint8_t <var class="pdparam">bytevalue</var></code>;</div><div class="funcprototype-spacer"> </div></div><p>
    22. 

  22. 				Feeds incoming bytes into the state machine and breaks the stream into individual frames. Frames are passed to the Linux kernel.
    23. 

  23. 				</p></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="ch08s08.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="ch08.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="ch08s10.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">
    24. 

  24. 				DMA Functions
    25. 

  25. 				 </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> 
    26. 

  26. 				Kernel Functions
    27. 

  27. 				</td></tr></table></div></body></html>
    28.