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<title>ChibiOS/RT: IOBus Struct Reference</title>
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<td style="width: 80px;"><img alt="ChibiOS/RT Logo" src="logo_small.png"></td>
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<td><big><big>ChibiOS/RT</big></big><br><br>Architecture - Reference Manual - Guides</td>
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<li><a href="main.html"><span>Main Page</span></a></li>
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<li><a href="modules.html"><span>Modules</span></a></li>
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<li class="current"><a href="annotated.html"><span>Data Structures</span></a></li>
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<li><a href="functions.html"><span>Data Fields</span></a></li>
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<a href="#pub-attribs">Data Fields</a> </div>
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<h1>IOBus Struct Reference<br/>
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<small>
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[<a class="el" href="group___p_a_l.html">PAL Driver</a>]</small>
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</h1> </div>
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<div class="contents">
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<!-- doxytag: class="IOBus" -->
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<p>I/O bus descriptor.
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<a href="#_details">More...</a></p>
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<p><code>#include <<a class="el" href="pal_8h_source.html">pal.h</a>></code></p>
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<table class="memberdecls">
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<tr><td colspan="2"><h2><a name="pub-attribs"></a>
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Data Fields</h2></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="group___p_a_l___l_l_d.html#ga4a3294068a07606c952cefda0866761a">ioportid_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="struct_i_o_bus.html#a79c1372324fc1d9d2c571ac6d47163f9">bus_portid</a></td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Port identifier. <a href="#a79c1372324fc1d9d2c571ac6d47163f9"></a><br/></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="group___p_a_l___l_l_d.html#ga6115967a8db28246105e03741ff5eb18">ioportmask_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="struct_i_o_bus.html#ab2efb4f2a7504ac2e737de26c1e4f33a">bus_mask</a></td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Bus mask aligned to port bit 0. <a href="#ab2efb4f2a7504ac2e737de26c1e4f33a"></a><br/></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="group___s_t_m8___c_o_r_e.html#gad0fca8b15c218d2c687f8c373a71d228">uint_fast8_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="struct_i_o_bus.html#a50c155a7f9aa5b254faa372f0619286a">bus_offset</a></td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Offset, within the port, of the least significant bit of the bus. <a href="#a50c155a7f9aa5b254faa372f0619286a"></a><br/></td></tr>
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</table>
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<hr/><a name="_details"></a><h2>Detailed Description</h2>
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<p>I/O bus descriptor. </p>
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<p>This structure describes a group of contiguous digital I/O lines that have to be handled as bus. </p>
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<dl class="note"><dt><b>Note:</b></dt><dd>I/O operations on a bus do not affect I/O lines on the same port but not belonging to the bus. </dd></dl>
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<p>Definition at line <a class="el" href="pal_8h_source.html#l00129">129</a> of file <a class="el" href="pal_8h_source.html">pal.h</a>.</p>
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<hr/><h2>Field Documentation</h2>
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<a class="anchor" id="a79c1372324fc1d9d2c571ac6d47163f9"></a><!-- doxytag: member="IOBus::bus_portid" ref="a79c1372324fc1d9d2c571ac6d47163f9" args="" -->
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<td class="memname"><a class="el" href="group___p_a_l___l_l_d.html#ga4a3294068a07606c952cefda0866761a">ioportid_t</a> <a class="el" href="struct_i_o_bus.html#a79c1372324fc1d9d2c571ac6d47163f9">IOBus::bus_portid</a></td>
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<div class="memdoc">
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<p>Port identifier. </p>
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<p>Definition at line <a class="el" href="pal_8h_source.html#l00133">133</a> of file <a class="el" href="pal_8h_source.html">pal.h</a>.</p>
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<p>Referenced by <a class="el" href="group___p_a_l.html#gac464cacee6890a3eab2e2db1b7d8d6f9">palReadBus()</a>, <a class="el" href="group___p_a_l.html#ga25ef645e442638716008408357f4ea59">palSetBusMode()</a>, and <a class="el" href="group___p_a_l.html#ga486b5ab6062e6a8f9d5efdd7a8908a79">palWriteBus()</a>.</p>
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<a class="anchor" id="ab2efb4f2a7504ac2e737de26c1e4f33a"></a><!-- doxytag: member="IOBus::bus_mask" ref="ab2efb4f2a7504ac2e737de26c1e4f33a" args="" -->
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<td class="memname"><a class="el" href="group___p_a_l___l_l_d.html#ga6115967a8db28246105e03741ff5eb18">ioportmask_t</a> <a class="el" href="struct_i_o_bus.html#ab2efb4f2a7504ac2e737de26c1e4f33a">IOBus::bus_mask</a></td>
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<p>Bus mask aligned to port bit 0. </p>
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<dl class="note"><dt><b>Note:</b></dt><dd>The bus mask implicitly define the bus width. A logical AND is performed on the bus data. </dd></dl>
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<p>Definition at line <a class="el" href="pal_8h_source.html#l00139">139</a> of file <a class="el" href="pal_8h_source.html">pal.h</a>.</p>
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<p>Referenced by <a class="el" href="group___p_a_l.html#gac464cacee6890a3eab2e2db1b7d8d6f9">palReadBus()</a>, <a class="el" href="group___p_a_l.html#ga25ef645e442638716008408357f4ea59">palSetBusMode()</a>, and <a class="el" href="group___p_a_l.html#ga486b5ab6062e6a8f9d5efdd7a8908a79">palWriteBus()</a>.</p>
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<a class="anchor" id="a50c155a7f9aa5b254faa372f0619286a"></a><!-- doxytag: member="IOBus::bus_offset" ref="a50c155a7f9aa5b254faa372f0619286a" args="" -->
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<td class="memname"><a class="el" href="group___s_t_m8___c_o_r_e.html#gad0fca8b15c218d2c687f8c373a71d228">uint_fast8_t</a> <a class="el" href="struct_i_o_bus.html#a50c155a7f9aa5b254faa372f0619286a">IOBus::bus_offset</a></td>
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<p>Offset, within the port, of the least significant bit of the bus. </p>
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<p>Definition at line <a class="el" href="pal_8h_source.html#l00143">143</a> of file <a class="el" href="pal_8h_source.html">pal.h</a>.</p>
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<p>Referenced by <a class="el" href="group___p_a_l.html#gac464cacee6890a3eab2e2db1b7d8d6f9">palReadBus()</a>, <a class="el" href="group___p_a_l.html#ga25ef645e442638716008408357f4ea59">palSetBusMode()</a>, and <a class="el" href="group___p_a_l.html#ga486b5ab6062e6a8f9d5efdd7a8908a79">palWriteBus()</a>.</p>
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<hr size="1"><address style="text-align: right;"><small>
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Generated on Sun Oct 24 2010 09:40:49 for ChibiOS/RT by <a href="http://www.doxygen.org/index.html"><img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.7.1</small></address>
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