<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <meta name="generator" content="Doxygen 1.8.16"/> <meta name="viewport" content="width=device-width, initial-scale=1"/> <title>UbixOS V2: C:/Dev/git/UbixOS/sys/sys/dma.c File Reference</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="navtree.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="resize.js"></script> <script type="text/javascript" src="navtreedata.js"></script> <script type="text/javascript" src="navtree.js"></script> <script type="text/javascript"> /* @license 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showing the filter options --> <div id="MSearchSelectWindow" onmouseover="return searchBox.OnSearchSelectShow()" onmouseout="return searchBox.OnSearchSelectHide()" onkeydown="return searchBox.OnSearchSelectKey(event)"> </div> <!-- iframe showing the search results (closed by default) --> <div id="MSearchResultsWindow"> <iframe src="javascript:void(0)" frameborder="0" name="MSearchResults" id="MSearchResults"> </iframe> </div> <div class="header"> <div class="summary"> <a href="#define-members">Macros</a> | <a href="#func-members">Functions</a> </div> <div class="headertitle"> <div class="title">dma.c File Reference</div> </div> </div><!--header--> <div class="contents"> <div class="textblock"><code>#include <<a class="el" href="dma_8h_source.html">sys/dma.h</a>></code><br /> <code>#include <<a class="el" href="io_8h_source.html">sys/io.h</a>></code><br /> </div><div class="textblock"><div class="dynheader"> Include dependency graph for dma.c:</div> <div class="dyncontent"> <div class="center"><img src="dma_8c__incl.png" border="0" usemap="#C_1_2Dev_2git_2UbixOS_2sys_2sys_2dma_8c" alt=""/></div> </div> </div> <p><a href="dma_8c_source.html">Go to the source code of this file.</a></p> <table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="define-members"></a> Macros</h2></td></tr> <tr class="memitem:ad03cbb59aaf2eea05907807a12936e7f"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="dma_8c.html#ad03cbb59aaf2eea05907807a12936e7f">highByte</a>(x)   ((x & 0xFF00) >> 8)</td></tr> <tr class="separator:ad03cbb59aaf2eea05907807a12936e7f"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a19a055e908717e6f71f285bc5c84ea45"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="dma_8c.html#a19a055e908717e6f71f285bc5c84ea45">lowByte</a>(x)   (x & 0x00FF)</td></tr> <tr class="separator:a19a055e908717e6f71f285bc5c84ea45"><td class="memSeparator" colspan="2"> </td></tr> </table><table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a> Functions</h2></td></tr> <tr class="memitem:ae136d2bd6481a13de8e96f5a583c45eb"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="dma_8c.html#ae136d2bd6481a13de8e96f5a583c45eb">_dmaXfer</a> (<a class="el" href="objgfx30_8h.html#aa4e0f27a9aca905e340c06d2dcae843c">uInt8</a> dmaChannel, <a class="el" href="objgfx30_8h.html#aa4e0f27a9aca905e340c06d2dcae843c">uInt8</a> page, <a class="el" href="include_2sys_2types_8h.html#a87d141052bcd5ec8a80812a565c70369">uInt</a> offset, <a class="el" href="include_2sys_2types_8h.html#a87d141052bcd5ec8a80812a565c70369">uInt</a> length, <a class="el" href="objgfx30_8h.html#aa4e0f27a9aca905e340c06d2dcae843c">uInt8</a> mode)</td></tr> <tr class="separator:ae136d2bd6481a13de8e96f5a583c45eb"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a79162e5c636d27f92e4e2c7c87bb6e22"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="dma_8c.html#a79162e5c636d27f92e4e2c7c87bb6e22">dmaXfer</a> (<a class="el" href="include_2sys_2types_8h.html#a2aff71146ab4942b2b38860c749c4074">uint8_t</a> channel, <a class="el" href="include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a> address, <a class="el" href="include_2sys_2types_8h.html#a87d141052bcd5ec8a80812a565c70369">uInt</a> length, <a class="el" href="include_2sys_2types_8h.html#a2aff71146ab4942b2b38860c749c4074">uint8_t</a> <a class="el" href="gen__calls_8c.html#a5eff3a25d417fafce7c4f211db219ca2">read</a>)</td></tr> <tr class="separator:a79162e5c636d27f92e4e2c7c87bb6e22"><td class="memSeparator" colspan="2"> </td></tr> </table> <h2 class="groupheader">Macro Definition Documentation</h2> <a id="ad03cbb59aaf2eea05907807a12936e7f"></a> <h2 class="memtitle"><span class="permalink"><a href="#ad03cbb59aaf2eea05907807a12936e7f">◆ </a></span>highByte</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">#define highByte</td> <td>(</td> <td class="paramtype"> </td> <td class="paramname">x</td><td>)</td> <td>   ((x & 0xFF00) >> 8)</td> </tr> </table> </div><div class="memdoc"> <p class="definition">Definition at line <a class="el" href="dma_8c_source.html#l00033">33</a> of file <a class="el" href="dma_8c_source.html">dma.c</a>.</p> </div> </div> <a id="a19a055e908717e6f71f285bc5c84ea45"></a> <h2 class="memtitle"><span class="permalink"><a href="#a19a055e908717e6f71f285bc5c84ea45">◆ </a></span>lowByte</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">#define lowByte</td> <td>(</td> <td class="paramtype"> </td> <td class="paramname">x</td><td>)</td> <td>   (x & 0x00FF)</td> </tr> </table> </div><div class="memdoc"> <p class="definition">Definition at line <a class="el" href="dma_8c_source.html#l00032">32</a> of file <a class="el" href="dma_8c_source.html">dma.c</a>.</p> </div> </div> <h2 class="groupheader">Function Documentation</h2> <a id="ae136d2bd6481a13de8e96f5a583c45eb"></a> <h2 class="memtitle"><span class="permalink"><a href="#ae136d2bd6481a13de8e96f5a583c45eb">◆ </a></span>_dmaXfer()</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void _dmaXfer </td> <td>(</td> <td class="paramtype"><a class="el" href="objgfx30_8h.html#aa4e0f27a9aca905e340c06d2dcae843c">uInt8</a> </td> <td class="paramname"><em>dmaChannel</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="objgfx30_8h.html#aa4e0f27a9aca905e340c06d2dcae843c">uInt8</a> </td> <td class="paramname"><em>page</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="include_2sys_2types_8h.html#a87d141052bcd5ec8a80812a565c70369">uInt</a> </td> <td class="paramname"><em>offset</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="include_2sys_2types_8h.html#a87d141052bcd5ec8a80812a565c70369">uInt</a> </td> <td class="paramname"><em>length</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="objgfx30_8h.html#aa4e0f27a9aca905e340c06d2dcae843c">uInt8</a> </td> <td class="paramname"><em>mode</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> <p class="definition">Definition at line <a class="el" href="dma_8c_source.html#l00057">57</a> of file <a class="el" href="dma_8c_source.html">dma.c</a>.</p> <p class="reference">References <a class="el" href="io_8c_source.html#l00072">outportByte()</a>.</p> <p class="reference">Referenced by <a class="el" href="dma_8c_source.html#l00042">dmaXfer()</a>.</p> <div class="dynheader"> Here is the call graph for this function:</div> <div class="dyncontent"> <div class="center"><img src="dma_8c_ae136d2bd6481a13de8e96f5a583c45eb_cgraph.png" border="0" usemap="#dma_8c_ae136d2bd6481a13de8e96f5a583c45eb_cgraph" alt=""/></div> </div> </div> </div> <a id="a79162e5c636d27f92e4e2c7c87bb6e22"></a> <h2 class="memtitle"><span class="permalink"><a href="#a79162e5c636d27f92e4e2c7c87bb6e22">◆ </a></span>dmaXfer()</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void dmaXfer </td> <td>(</td> <td class="paramtype"><a class="el" href="include_2sys_2types_8h.html#a2aff71146ab4942b2b38860c749c4074">uint8_t</a> </td> <td class="paramname"><em>channel</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="include_2sys_2types_8h.html#a0238af00180b6d9278fa1c6aa790fdf4">uint32_t</a> </td> <td class="paramname"><em>address</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="include_2sys_2types_8h.html#a87d141052bcd5ec8a80812a565c70369">uInt</a> </td> <td class="paramname"><em>length</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="include_2sys_2types_8h.html#a2aff71146ab4942b2b38860c749c4074">uint8_t</a> </td> <td class="paramname"><em>read</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> <p class="definition">Definition at line <a class="el" href="dma_8c_source.html#l00042">42</a> of file <a class="el" href="dma_8c_source.html">dma.c</a>.</p> <p class="reference">References <a class="el" href="dma_8c_source.html#l00057">_dmaXfer()</a>, and <a class="el" href="gen__calls_8c_source.html#l00100">read()</a>.</p> <div class="dynheader"> Here is the call graph for this function:</div> <div class="dyncontent"> <div 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