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<h1>pn532_uart.c File Reference</h1> </div>
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<p>PN532 driver using UART bus (UART, RS232, etc.)
<a href="#_details">More...</a></p>
<div class="textblock"><code>#include "<a class="el" href="drivers_8h_source.html">../drivers.h</a>"</code><br/>
<code>#include <stdio.h></code><br/>
<code>#include <string.h></code><br/>
<code>#include "<a class="el" href="pn532__uart_8h_source.html">pn532_uart.h</a>"</code><br/>
<code>#include <nfc/nfc.h></code><br/>
<code>#include <nfc/nfc-messages.h></code><br/>
<code>#include "uart.h"</code><br/>
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<p><a href="pn532__uart_8c_source.html">Go to the source code of this file.</a></p>
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Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="pn532__uart_8c.html#a1b7d8d250f63d153cdba11625219692e">pn532_uart_wakeup</a> (const nfc_device_spec_t nds)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="pn532__uart_8c.html#a5ba1691e518d61088e6d9553af051d49">pn532_uart_check_communication</a> (const nfc_device_spec_t nds, bool *success)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="pn532__uart_8c.html#add391a8dfaee62f3a7c066912301e3ad">pn532_uart_list_devices</a> (<a class="el" href="structnfc__device__desc__t.html">nfc_device_desc_t</a> pnddDevices[], size_t szDevices, size_t *pszDeviceFound)</td></tr>
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<hr/><a name="_details"></a><h2>Detailed Description</h2>
<div class="textblock"><p>PN532 driver using UART bus (UART, RS232, etc.) </p>
<p>Definition in file <a class="el" href="pn532__uart_8c_source.html">pn532_uart.c</a>.</p>
</div><hr/><h2>Function Documentation</h2>
<a class="anchor" id="a5ba1691e518d61088e6d9553af051d49"></a><!-- doxytag: member="pn532_uart.c::pn532_uart_check_communication" ref="a5ba1691e518d61088e6d9553af051d49" args="(const nfc_device_spec_t nds, bool *success)" -->
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<td class="memname">bool pn532_uart_check_communication </td>
<td>(</td>
<td class="paramtype">const nfc_device_spec_t </td>
<td class="paramname"><em>nds</em>, </td>
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<td class="paramtype">bool * </td>
<td class="paramname"><em>success</em> </td>
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<td>)</td>
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<p><p>To be sure that PN532 is alive, we have put a "Diagnose" command to execute a "Communication Line Test" </p>
</p>
<p>Definition at line <a class="el" href="pn532__uart_8c_source.html#l00335">335</a> of file <a class="el" href="pn532__uart_8c_source.html">pn532_uart.c</a>.</p>
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<a class="anchor" id="add391a8dfaee62f3a7c066912301e3ad"></a><!-- doxytag: member="pn532_uart.c::pn532_uart_list_devices" ref="add391a8dfaee62f3a7c066912301e3ad" args="(nfc_device_desc_t pnddDevices[], size_t szDevices, size_t *pszDeviceFound)" -->
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<td class="memname">bool pn532_uart_list_devices </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structnfc__device__desc__t.html">nfc_device_desc_t</a> </td>
<td class="paramname"><em>pnddDevices</em>[], </td>
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<td class="paramtype">size_t </td>
<td class="paramname"><em>szDevices</em>, </td>
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<td class="paramtype">size_t * </td>
<td class="paramname"><em>pszDeviceFound</em> </td>
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<td>)</td>
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<p><dl class="note"><dt><b>Note:</b></dt><dd>: Due to UART bus we can't know if its really a pn532 without sending some PN53x commands. But using this way to probe devices, we can have serious problem with other device on this bus </dd></dl>
</p>
<p>Definition at line <a class="el" href="pn532__uart_8c_source.html#l00076">76</a> of file <a class="el" href="pn532__uart_8c_source.html">pn532_uart.c</a>.</p>
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<a class="anchor" id="a1b7d8d250f63d153cdba11625219692e"></a><!-- doxytag: member="pn532_uart.c::pn532_uart_wakeup" ref="a1b7d8d250f63d153cdba11625219692e" args="(const nfc_device_spec_t nds)" -->
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<td class="memname">void pn532_uart_wakeup </td>
<td>(</td>
<td class="paramtype">const nfc_device_spec_t </td>
<td class="paramname"><em>nds</em></td><td>)</td>
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<div class="memdoc">
<p><p>PN532C106 wakeup.</p>
<p>High Speed Unit (HSU) wake up consist to send 0x55 and wait a "long" delay for PN532 being wakeup.</p>
<p>After the preamble we request the PN532C106 chip to switch to "normal" mode (SAM is not used) </p>
</p>
<p>Definition at line <a class="el" href="pn532__uart_8c_source.html#l00307">307</a> of file <a class="el" href="pn532__uart_8c_source.html">pn532_uart.c</a>.</p>
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