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Initial import
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
<title>ChibiOS/RT: mmc_spi.c Source File</title>
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<table style="text-align: center; width: 100%;" border="0"
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<td style="width: 80px;"><img alt="ChibiOS/RT Logo" src="logo_small.png"></td>
<td><big><big>ChibiOS/RT</big></big><br><br>Architecture - Reference Manual - Guides</td>
<td style="width: 80px;"></td>
</tr>
</tbody>
</table>
<hr size="1">
Imported ChibiOS/RT 2.0.6.
2010-11-22 05:53:37 +00:00
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Initial import
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<div class="navigation" id="top">
<div class="tabs">
Imported ChibiOS/RT 2.0.6.
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<ul class="tablist">
Initial import
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<li><a href="main.html"><span>Main&nbsp;Page</span></a></li>
<li><a href="modules.html"><span>Modules</span></a></li>
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<li class="current"><a href="files.html"><span>Files</span></a></li>
</ul>
</div>
Imported ChibiOS/RT 2.0.6.
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<div class="tabs2">
<ul class="tablist">
Initial import
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<li><a href="files.html"><span>File&nbsp;List</span></a></li>
<li><a href="globals.html"><span>Globals</span></a></li>
</ul>
</div>
Imported ChibiOS/RT 2.0.6.
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<div class="header">
<div class="headertitle">
<h1>mmc_spi.c</h1> </div>
</div>
<div class="contents">
<a href="mmc__spi_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
Initial import
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<a name="l00002"></a>00002 <span class="comment"> ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010 Giovanni Di Sirio.</span>
<a name="l00003"></a>00003 <span class="comment"></span>
<a name="l00004"></a>00004 <span class="comment"> This file is part of ChibiOS/RT.</span>
<a name="l00005"></a>00005 <span class="comment"></span>
<a name="l00006"></a>00006 <span class="comment"> ChibiOS/RT is free software; you can redistribute it and/or modify</span>
<a name="l00007"></a>00007 <span class="comment"> it under the terms of the GNU General Public License as published by</span>
<a name="l00008"></a>00008 <span class="comment"> the Free Software Foundation; either version 3 of the License, or</span>
<a name="l00009"></a>00009 <span class="comment"> (at your option) any later version.</span>
<a name="l00010"></a>00010 <span class="comment"></span>
<a name="l00011"></a>00011 <span class="comment"> ChibiOS/RT is distributed in the hope that it will be useful,</span>
<a name="l00012"></a>00012 <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00013"></a>00013 <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
<a name="l00014"></a>00014 <span class="comment"> GNU General Public License for more details.</span>
<a name="l00015"></a>00015 <span class="comment"></span>
<a name="l00016"></a>00016 <span class="comment"> You should have received a copy of the GNU General Public License</span>
<a name="l00017"></a>00017 <span class="comment"> along with this program. If not, see &lt;http://www.gnu.org/licenses/&gt;.</span>
<a name="l00018"></a>00018 <span class="comment"></span>
<a name="l00019"></a>00019 <span class="comment"> ---</span>
<a name="l00020"></a>00020 <span class="comment"></span>
<a name="l00021"></a>00021 <span class="comment"> A special exception to the GPL can be applied should you wish to distribute</span>
<a name="l00022"></a>00022 <span class="comment"> a combined work that includes ChibiOS/RT, without being obliged to provide</span>
<a name="l00023"></a>00023 <span class="comment"> the source code for any proprietary components. See the file exception.txt</span>
<a name="l00024"></a>00024 <span class="comment"> for full details of how and when the exception can be applied.</span>
<a name="l00025"></a>00025 <span class="comment">*/</span>
<a name="l00026"></a>00026 <span class="comment"></span>
<a name="l00027"></a>00027 <span class="comment">/**</span>
<a name="l00028"></a>00028 <span class="comment"> * @file mmc_spi.c</span>
<a name="l00029"></a>00029 <span class="comment"> * @brief MMC over SPI driver code.</span>
<a name="l00030"></a>00030 <span class="comment"> *</span>
<a name="l00031"></a>00031 <span class="comment"> * @addtogroup MMC_SPI</span>
<a name="l00032"></a>00032 <span class="comment"> * @{</span>
<a name="l00033"></a>00033 <span class="comment"> */</span>
<a name="l00034"></a>00034
<a name="l00035"></a>00035 <span class="preprocessor">#include &quot;<a class="code" href="ch_8h.html" title="ChibiOS/RT main include file.">ch.h</a>&quot;</span>
<a name="l00036"></a>00036 <span class="preprocessor">#include &quot;<a class="code" href="hal_8h.html" title="HAL subsystem header.">hal.h</a>&quot;</span>
<a name="l00037"></a>00037
<a name="l00038"></a>00038 <span class="preprocessor">#if CH_HAL_USE_MMC_SPI || defined(__DOXYGEN__)</span>
<a name="l00039"></a>00039 <span class="preprocessor"></span>
<a name="l00040"></a>00040 <span class="comment">/*===========================================================================*/</span>
<a name="l00041"></a>00041 <span class="comment">/* Driver exported variables. */</span>
<a name="l00042"></a>00042 <span class="comment">/*===========================================================================*/</span>
<a name="l00043"></a>00043
<a name="l00044"></a>00044 <span class="comment">/*===========================================================================*/</span>
<a name="l00045"></a>00045 <span class="comment">/* Driver local variables. */</span>
<a name="l00046"></a>00046 <span class="comment">/*===========================================================================*/</span>
<a name="l00047"></a>00047
<a name="l00048"></a>00048 <span class="comment">/*===========================================================================*/</span>
<a name="l00049"></a>00049 <span class="comment">/* Driver local functions. */</span>
<a name="l00050"></a>00050 <span class="comment">/*===========================================================================*/</span>
<a name="l00051"></a>00051 <span class="comment"></span>
<a name="l00052"></a>00052 <span class="comment">/**</span>
<a name="l00053"></a>00053 <span class="comment"> * @brief Inserion monitor timer callback function.</span>
<a name="l00054"></a>00054 <span class="comment"> *</span>
<a name="l00055"></a>00055 <span class="comment"> * @param[in] p pointer to the @p MMCDriver object</span>
<a name="l00056"></a>00056 <span class="comment"> */</span>
<a name="l00057"></a><a class="code" href="group___m_m_c___s_p_i.html#ga6aae8e8af4ea0c35c677fa472fb36318">00057</a> <span class="keywordtype">void</span> <a class="code" href="group___m_m_c___s_p_i.html#ga6aae8e8af4ea0c35c677fa472fb36318" title="Inserion monitor timer callback function.">tmrfunc</a>(<span class="keywordtype">void</span> *p) {
<a name="l00058"></a>00058 <a class="code" href="struct_m_m_c_driver.html" title="Structure representing a MMC driver.">MMCDriver</a> *mmcp = p;
<a name="l00059"></a>00059
<a name="l00060"></a>00060 <span class="keywordflow">if</span> (mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#adb64bc1ed4ecc1f5a9602d4498e59b0d" title="Insertion counter.">mmc_cnt</a> &gt; 0) {
<a name="l00061"></a>00061 <span class="keywordflow">if</span> (mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#a64161fdd86af655c85885ba47e69fbc6" title="Insertion status query function.">mmc_is_inserted</a>()) {
<a name="l00062"></a>00062 <span class="keywordflow">if</span> (--mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#adb64bc1ed4ecc1f5a9602d4498e59b0d" title="Insertion counter.">mmc_cnt</a> == 0) {
Imported ChibiOS/RT 2.0.6.
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<a name="l00063"></a>00063 mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#a98d97b335480672c1e12c71cb9e5223f" title="Driver state.">mmc_state</a> = MMC_INSERTED;
Initial import
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<a name="l00064"></a>00064 <a class="code" href="group__events.html#gaa24d9bed5b676b577200c4a8ebe3b8a3" title="Signals all the Event Listeners registered on the specified Event Source.">chEvtBroadcastI</a>(&amp;mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#a9bd7357704a5a8acce11338824d45a6a" title="Card insertion event source.">mmc_inserted_event</a>);
<a name="l00065"></a>00065 }
<a name="l00066"></a>00066 }
<a name="l00067"></a>00067 <span class="keywordflow">else</span>
Imported ChibiOS/RT 2.0.6.
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<a name="l00068"></a>00068 mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#adb64bc1ed4ecc1f5a9602d4498e59b0d" title="Insertion counter.">mmc_cnt</a> = MMC_POLLING_INTERVAL;
Initial import
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<a name="l00069"></a>00069 }
<a name="l00070"></a>00070 <span class="keywordflow">else</span> {
<a name="l00071"></a>00071 <span class="keywordflow">if</span> (!mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#a64161fdd86af655c85885ba47e69fbc6" title="Insertion status query function.">mmc_is_inserted</a>()) {
Imported ChibiOS/RT 2.0.6.
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<a name="l00072"></a>00072 mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#a98d97b335480672c1e12c71cb9e5223f" title="Driver state.">mmc_state</a> = MMC_WAIT;
<a name="l00073"></a>00073 mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#adb64bc1ed4ecc1f5a9602d4498e59b0d" title="Insertion counter.">mmc_cnt</a> = MMC_POLLING_INTERVAL;
Initial import
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<a name="l00074"></a>00074 <a class="code" href="group__events.html#gaa24d9bed5b676b577200c4a8ebe3b8a3" title="Signals all the Event Listeners registered on the specified Event Source.">chEvtBroadcastI</a>(&amp;mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#a72e7032b9d94146980bbfcb5ec7b138c" title="Card removal event source.">mmc_removed_event</a>);
<a name="l00075"></a>00075 }
<a name="l00076"></a>00076 }
<a name="l00077"></a>00077 <a class="code" href="group__time.html#ga1c44c3a0bc64b2954d95cd98b2e7124e" title="Enables a virtual timer.">chVTSetI</a>(&amp;mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#a715195b2cda407a47f2208f1fb701421" title="MMC insertion polling timer.">mmc_vt</a>, <a class="code" href="group__time.html#ga0a7e7bc6c6225bd9652c4f1567f1bc6a" title="Time conversion utility.">MS2ST</a>(<a class="code" href="group___m_m_c___s_p_i.html#ga6d164ed93ae233b2dc0c35bd19f75224" title="Interval, in milliseconds, between insertion queries.">MMC_POLLING_DELAY</a>), <a class="code" href="group___m_m_c___s_p_i.html#ga6aae8e8af4ea0c35c677fa472fb36318" title="Inserion monitor timer callback function.">tmrfunc</a>, mmcp);
<a name="l00078"></a>00078 }
<a name="l00079"></a>00079 <span class="comment"></span>
<a name="l00080"></a>00080 <span class="comment">/**</span>
<a name="l00081"></a>00081 <span class="comment"> * @brief Waits an idle condition.</span>
<a name="l00082"></a>00082 <span class="comment"> *</span>
<a name="l00083"></a>00083 <span class="comment"> * @param[in] mmcp pointer to the @p MMCDriver object</span>
<a name="l00084"></a>00084 <span class="comment"> */</span>
<a name="l00085"></a>00085 <span class="keyword">static</span> <span class="keywordtype">void</span> wait(<a class="code" href="struct_m_m_c_driver.html" title="Structure representing a MMC driver.">MMCDriver</a> *mmcp) {
<a name="l00086"></a>00086 <span class="keywordtype">int</span> i;
<a name="l00087"></a>00087 <a class="code" href="group___s_t_m8___c_o_r_e.html#gaba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> buf[4];
<a name="l00088"></a>00088
<a name="l00089"></a>00089 <span class="keywordflow">for</span> (i = 0; i &lt; 16; i++) {
<a name="l00090"></a>00090 <a class="code" href="group___s_p_i.html#gadd99ad823b391dde114f04dedafe5e80" title="Receives data from the SPI bus.">spiReceive</a>(mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#ac8850a0d2a6aaba7db684da46f67b666" title="SPI driver associated to this MMC driver.">mmc_spip</a>, 1, buf);
<a name="l00091"></a>00091 <span class="keywordflow">if</span> (buf[0] == 0xFF)
<a name="l00092"></a>00092 <span class="keywordflow">break</span>;
<a name="l00093"></a>00093 }
<a name="l00094"></a>00094 <span class="comment">/* Looks like it is a long wait.*/</span>
<a name="l00095"></a>00095 <span class="keywordflow">while</span> (TRUE) {
<a name="l00096"></a>00096 <a class="code" href="group___s_p_i.html#gadd99ad823b391dde114f04dedafe5e80" title="Receives data from the SPI bus.">spiReceive</a>(mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#ac8850a0d2a6aaba7db684da46f67b666" title="SPI driver associated to this MMC driver.">mmc_spip</a>, 1, buf);
<a name="l00097"></a>00097 <span class="keywordflow">if</span> (buf[0] == 0xFF)
<a name="l00098"></a>00098 <span class="keywordflow">break</span>;
<a name="l00099"></a>00099 <span class="preprocessor">#ifdef MMC_NICE_WAITING</span>
<a name="l00100"></a>00100 <span class="preprocessor"></span> <span class="comment">/* Trying to be nice with the other threads.*/</span>
<a name="l00101"></a>00101 <a class="code" href="group__threads.html#ga8b10a49e2ec522a5ddecabdc453afcab" title="Suspends the invoking thread for the specified time.">chThdSleep</a>(1);
<a name="l00102"></a>00102 <span class="preprocessor">#endif</span>
<a name="l00103"></a>00103 <span class="preprocessor"></span> }
<a name="l00104"></a>00104 }
<a name="l00105"></a>00105 <span class="comment"></span>
<a name="l00106"></a>00106 <span class="comment">/**</span>
<a name="l00107"></a>00107 <span class="comment"> * @brief Sends a command header.</span>
<a name="l00108"></a>00108 <span class="comment"> *</span>
<a name="l00109"></a>00109 <span class="comment"> * @param[in] mmcp pointer to the @p MMCDriver object</span>
<a name="l00110"></a>00110 <span class="comment"> * @param cmd[in] the command id</span>
<a name="l00111"></a>00111 <span class="comment"> * @param arg[in] the command argument</span>
<a name="l00112"></a>00112 <span class="comment"> */</span>
<a name="l00113"></a>00113 <span class="keyword">static</span> <span class="keywordtype">void</span> send_hdr(<a class="code" href="struct_m_m_c_driver.html" title="Structure representing a MMC driver.">MMCDriver</a> *mmcp, <a class="code" href="group___s_t_m8___c_o_r_e.html#gaba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> cmd, <a class="code" href="group___s_t_m8___c_o_r_e.html#ga06896e8c53f721507066c079052171f8">uint32_t</a> arg) {
<a name="l00114"></a>00114 <a class="code" href="group___s_t_m8___c_o_r_e.html#gaba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> buf[6];
<a name="l00115"></a>00115
<a name="l00116"></a>00116 <span class="comment">/* Wait for the bus to become idle if a write operation was in progress. */</span>
<a name="l00117"></a>00117 wait(mmcp);
<a name="l00118"></a>00118
<a name="l00119"></a>00119 buf[0] = 0x40 | cmd;
<a name="l00120"></a>00120 buf[1] = arg &gt;&gt; 24;
<a name="l00121"></a>00121 buf[2] = arg &gt;&gt; 16;
<a name="l00122"></a>00122 buf[3] = arg &gt;&gt; 8;
<a name="l00123"></a>00123 buf[4] = arg;
<a name="l00124"></a>00124 buf[5] = 0x95; <span class="comment">/* Valid for CMD0 ignored by other commands. */</span>
Imported ChibiOS/RT 2.0.6.
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<a name="l00125"></a>00125 <a class="code" href="group___s_p_i.html#ga382cfbdffd2df57cf3843d45164e8bfc" title="Sends data over the SPI bus.">spiSend</a>(mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#ac8850a0d2a6aaba7db684da46f67b666" title="SPI driver associated to this MMC driver.">mmc_spip</a>, 6, buf);
Initial import
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<a name="l00126"></a>00126 }
<a name="l00127"></a>00127 <span class="comment"></span>
<a name="l00128"></a>00128 <span class="comment">/**</span>
<a name="l00129"></a>00129 <span class="comment"> * @brief Receives a single byte response.</span>
<a name="l00130"></a>00130 <span class="comment"> *</span>
<a name="l00131"></a>00131 <span class="comment"> * @param[in] mmcp pointer to the @p MMCDriver object</span>
<a name="l00132"></a>00132 <span class="comment"> * @return The response as an @p uint8_t value.</span>
<a name="l00133"></a>00133 <span class="comment"> * @retval 0xFF timed out.</span>
<a name="l00134"></a>00134 <span class="comment"> */</span>
<a name="l00135"></a>00135 <span class="keyword">static</span> <a class="code" href="group___s_t_m8___c_o_r_e.html#gaba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> recvr1(<a class="code" href="struct_m_m_c_driver.html" title="Structure representing a MMC driver.">MMCDriver</a> *mmcp) {
<a name="l00136"></a>00136 <span class="keywordtype">int</span> i;
<a name="l00137"></a>00137 <a class="code" href="group___s_t_m8___c_o_r_e.html#gaba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> r1[1];
<a name="l00138"></a>00138
<a name="l00139"></a>00139 <span class="keywordflow">for</span> (i = 0; i &lt; 9; i++) {
<a name="l00140"></a>00140 <a class="code" href="group___s_p_i.html#gadd99ad823b391dde114f04dedafe5e80" title="Receives data from the SPI bus.">spiReceive</a>(mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#ac8850a0d2a6aaba7db684da46f67b666" title="SPI driver associated to this MMC driver.">mmc_spip</a>, 1, r1);
<a name="l00141"></a>00141 <span class="keywordflow">if</span> (r1[0] != 0xFF)
<a name="l00142"></a>00142 <span class="keywordflow">return</span> r1[0];
<a name="l00143"></a>00143 }
<a name="l00144"></a>00144 <span class="keywordflow">return</span> 0xFF;
<a name="l00145"></a>00145 }
<a name="l00146"></a>00146 <span class="comment"></span>
<a name="l00147"></a>00147 <span class="comment">/**</span>
<a name="l00148"></a>00148 <span class="comment"> * @brief Sends a command an returns a single byte response.</span>
<a name="l00149"></a>00149 <span class="comment"> *</span>
<a name="l00150"></a>00150 <span class="comment"> * @param[in] mmcp pointer to the @p MMCDriver object</span>
<a name="l00151"></a>00151 <span class="comment"> * @param cmd[in] the command id</span>
<a name="l00152"></a>00152 <span class="comment"> * @param arg[in] the command argument</span>
<a name="l00153"></a>00153 <span class="comment"> * @return The response as an @p uint8_t value.</span>
<a name="l00154"></a>00154 <span class="comment"> * @retval 0xFF timed out.</span>
<a name="l00155"></a>00155 <span class="comment"> */</span>
<a name="l00156"></a>00156 <span class="keyword">static</span> <a class="code" href="group___s_t_m8___c_o_r_e.html#gaba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> send_command(<a class="code" href="struct_m_m_c_driver.html" title="Structure representing a MMC driver.">MMCDriver</a> *mmcp, <a class="code" href="group___s_t_m8___c_o_r_e.html#gaba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> cmd, <a class="code" href="group___s_t_m8___c_o_r_e.html#ga06896e8c53f721507066c079052171f8">uint32_t</a> arg) {
<a name="l00157"></a>00157 <a class="code" href="group___s_t_m8___c_o_r_e.html#gaba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> r1;
<a name="l00158"></a>00158
<a name="l00159"></a>00159 <a class="code" href="group___s_p_i.html#ga00809152c869db80192aa3e04266a99a" title="Asserts the slave select signal and prepares for transfers.">spiSelect</a>(mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#ac8850a0d2a6aaba7db684da46f67b666" title="SPI driver associated to this MMC driver.">mmc_spip</a>);
<a name="l00160"></a>00160 send_hdr(mmcp, cmd, arg);
<a name="l00161"></a>00161 r1 = recvr1(mmcp);
<a name="l00162"></a>00162 <a class="code" href="group___s_p_i.html#gae291c012872da9c89dec23581f701b5f" title="Deasserts the slave select signal.">spiUnselect</a>(mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#ac8850a0d2a6aaba7db684da46f67b666" title="SPI driver associated to this MMC driver.">mmc_spip</a>);
<a name="l00163"></a>00163 <span class="keywordflow">return</span> r1;
<a name="l00164"></a>00164 }
<a name="l00165"></a>00165 <span class="comment"></span>
<a name="l00166"></a>00166 <span class="comment">/**</span>
<a name="l00167"></a>00167 <span class="comment"> * @brief Waits that the card reaches an idle state.</span>
<a name="l00168"></a>00168 <span class="comment"> *</span>
<a name="l00169"></a>00169 <span class="comment"> * @param[in] mmcp pointer to the @p MMCDriver object</span>
<a name="l00170"></a>00170 <span class="comment"> */</span>
<a name="l00171"></a>00171 <span class="keyword">static</span> <span class="keywordtype">void</span> sync(<a class="code" href="struct_m_m_c_driver.html" title="Structure representing a MMC driver.">MMCDriver</a> *mmcp) {
<a name="l00172"></a>00172 <a class="code" href="group___s_t_m8___c_o_r_e.html#gaba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> buf[1];
<a name="l00173"></a>00173
<a name="l00174"></a>00174 <a class="code" href="group___s_p_i.html#ga00809152c869db80192aa3e04266a99a" title="Asserts the slave select signal and prepares for transfers.">spiSelect</a>(mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#ac8850a0d2a6aaba7db684da46f67b666" title="SPI driver associated to this MMC driver.">mmc_spip</a>);
<a name="l00175"></a>00175 <span class="keywordflow">while</span> (TRUE) {
<a name="l00176"></a>00176 <a class="code" href="group___s_p_i.html#gadd99ad823b391dde114f04dedafe5e80" title="Receives data from the SPI bus.">spiReceive</a>(mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#ac8850a0d2a6aaba7db684da46f67b666" title="SPI driver associated to this MMC driver.">mmc_spip</a>, 1, buf);
<a name="l00177"></a>00177 <span class="keywordflow">if</span> (buf[0] == 0xFF)
<a name="l00178"></a>00178 <span class="keywordflow">break</span>;
<a name="l00179"></a>00179 <span class="preprocessor">#ifdef MMC_NICE_WAITING</span>
<a name="l00180"></a>00180 <span class="preprocessor"></span> <a class="code" href="group__threads.html#ga8b10a49e2ec522a5ddecabdc453afcab" title="Suspends the invoking thread for the specified time.">chThdSleep</a>(1); <span class="comment">/* Trying to be nice with the other threads.*/</span>
<a name="l00181"></a>00181 <span class="preprocessor">#endif</span>
<a name="l00182"></a>00182 <span class="preprocessor"></span> }
<a name="l00183"></a>00183 <a class="code" href="group___s_p_i.html#gae291c012872da9c89dec23581f701b5f" title="Deasserts the slave select signal.">spiUnselect</a>(mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#ac8850a0d2a6aaba7db684da46f67b666" title="SPI driver associated to this MMC driver.">mmc_spip</a>);
<a name="l00184"></a>00184 }
<a name="l00185"></a>00185
<a name="l00186"></a>00186 <span class="comment">/*===========================================================================*/</span>
<a name="l00187"></a>00187 <span class="comment">/* Driver exported functions. */</span>
<a name="l00188"></a>00188 <span class="comment">/*===========================================================================*/</span>
<a name="l00189"></a>00189 <span class="comment"></span>
<a name="l00190"></a>00190 <span class="comment">/**</span>
<a name="l00191"></a>00191 <span class="comment"> * @brief MMC over SPI driver initialization.</span>
<a name="l00192"></a>00192 <span class="comment"> */</span>
<a name="l00193"></a><a class="code" href="group___m_m_c___s_p_i.html#ga351951c841ece80fc692195ab37b2f06">00193</a> <span class="keywordtype">void</span> <a class="code" href="group___m_m_c___s_p_i.html#ga351951c841ece80fc692195ab37b2f06" title="MMC over SPI driver initialization.">mmcInit</a>(<span class="keywordtype">void</span>) {
<a name="l00194"></a>00194
<a name="l00195"></a>00195 }
<a name="l00196"></a>00196 <span class="comment"></span>
<a name="l00197"></a>00197 <span class="comment">/**</span>
<a name="l00198"></a>00198 <span class="comment"> * @brief Initializes an instance.</span>
<a name="l00199"></a>00199 <span class="comment"> *</span>
<a name="l00200"></a>00200 <span class="comment"> * @param[in] mmcp pointer to the @p MMCDriver object</span>
<a name="l00201"></a>00201 <span class="comment"> * @param[in] spip pointer to the SPI driver to be used as interface</span>
<a name="l00202"></a>00202 <span class="comment"> * @param[in] lscfg low speed configuration for the SPI driver</span>
<a name="l00203"></a>00203 <span class="comment"> * @param[in] hscfg high speed configuration for the SPI driver</span>
<a name="l00204"></a>00204 <span class="comment"> * @param[in] is_protected function that returns the card write protection</span>
<a name="l00205"></a>00205 <span class="comment"> * setting</span>
<a name="l00206"></a>00206 <span class="comment"> * @param[in] is_inserted function that returns the card insertion sensor</span>
<a name="l00207"></a>00207 <span class="comment"> * status</span>
<a name="l00208"></a>00208 <span class="comment"> */</span>
<a name="l00209"></a><a class="code" href="group___m_m_c___s_p_i.html#ga44df4f9091614cab6de8d79c3c6b1a14">00209</a> <span class="keywordtype">void</span> <a class="code" href="group___m_m_c___s_p_i.html#ga44df4f9091614cab6de8d79c3c6b1a14" title="Initializes an instance.">mmcObjectInit</a>(<a class="code" href="struct_m_m_c_driver.html" title="Structure representing a MMC driver.">MMCDriver</a> *mmcp, <a class="code" href="struct_s_p_i_driver.html" title="Structure representing a SPI driver.">SPIDriver</a> *spip,
<a name="l00210"></a>00210 <span class="keyword">const</span> <a class="code" href="struct_s_p_i_config.html" title="Driver configuration structure.">SPIConfig</a> *lscfg, <span class="keyword">const</span> <a class="code" href="struct_s_p_i_config.html" title="Driver configuration structure.">SPIConfig</a> *hscfg,
<a name="l00211"></a>00211 <a class="code" href="group___m_m_c___s_p_i.html#gaa7dbe27afa62f18e545ddea6a20bfa51" title="Function used to query some hardware status bits.">mmcquery_t</a> is_protected, <a class="code" href="group___m_m_c___s_p_i.html#gaa7dbe27afa62f18e545ddea6a20bfa51" title="Function used to query some hardware status bits.">mmcquery_t</a> is_inserted) {
<a name="l00212"></a>00212
Imported ChibiOS/RT 2.0.6.
2010-11-22 05:53:37 +00:00
<a name="l00213"></a>00213 mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#a98d97b335480672c1e12c71cb9e5223f" title="Driver state.">mmc_state</a> = MMC_STOP;
Initial import
2010-08-10 03:11:02 +00:00
<a name="l00214"></a>00214 mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#a8cfcb5d549a2f15075ac71ca00aac350" title="Current configuration data.">mmc_config</a> = NULL;
<a name="l00215"></a>00215 mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#ac8850a0d2a6aaba7db684da46f67b666" title="SPI driver associated to this MMC driver.">mmc_spip</a> = spip;
<a name="l00216"></a>00216 mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#aa0f4cfe46b06dbf1213c822b0ddeda98" title="SPI low speed configuration used during initialization.">mmc_lscfg</a> = lscfg;
<a name="l00217"></a>00217 mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#a417202c1ff282a504ecd07831381bf85" title="SPI high speed configuration used during transfers.">mmc_hscfg</a> = hscfg;
<a name="l00218"></a>00218 mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#a255a9e9a7a46e261f0e8fcbd16233244" title="Write protect status query function.">mmc_is_protected</a> = is_protected;
<a name="l00219"></a>00219 mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#a64161fdd86af655c85885ba47e69fbc6" title="Insertion status query function.">mmc_is_inserted</a> = is_inserted;
<a name="l00220"></a>00220 <a class="code" href="group__events.html#gab8d0fdc09be629dfb438c32a0523db42" title="Initializes an Event Source.">chEvtInit</a>(&amp;mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#a9bd7357704a5a8acce11338824d45a6a" title="Card insertion event source.">mmc_inserted_event</a>);
<a name="l00221"></a>00221 <a class="code" href="group__events.html#gab8d0fdc09be629dfb438c32a0523db42" title="Initializes an Event Source.">chEvtInit</a>(&amp;mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#a72e7032b9d94146980bbfcb5ec7b138c" title="Card removal event source.">mmc_removed_event</a>);
<a name="l00222"></a>00222 }
<a name="l00223"></a>00223 <span class="comment"></span>
<a name="l00224"></a>00224 <span class="comment">/**</span>
<a name="l00225"></a>00225 <span class="comment"> * @brief Configures and activates the MMC peripheral.</span>
<a name="l00226"></a>00226 <span class="comment"> *</span>
<a name="l00227"></a>00227 <span class="comment"> * @param[in] mmcp pointer to the @p MMCDriver object</span>
<a name="l00228"></a>00228 <span class="comment"> * @param[in] config pointer to the @p MMCConfig object</span>
<a name="l00229"></a>00229 <span class="comment"> */</span>
<a name="l00230"></a><a class="code" href="group___m_m_c___s_p_i.html#ga076506461b42641a9fe632cc3e72dab5">00230</a> <span class="keywordtype">void</span> <a class="code" href="group___m_m_c___s_p_i.html#ga076506461b42641a9fe632cc3e72dab5" title="Configures and activates the MMC peripheral.">mmcStart</a>(<a class="code" href="struct_m_m_c_driver.html" title="Structure representing a MMC driver.">MMCDriver</a> *mmcp, <span class="keyword">const</span> <a class="code" href="struct_m_m_c_config.html" title="Driver configuration structure.">MMCConfig</a> *config) {
<a name="l00231"></a>00231
<a name="l00232"></a>00232 <a class="code" href="group__debug.html#ga6bb6c0f97caab3a66332c8bfbf7a3844" title="Function parameter check.">chDbgCheck</a>((mmcp != NULL) &amp;&amp; (config != NULL), <span class="stringliteral">&quot;mmcStart&quot;</span>);
<a name="l00233"></a>00233
<a name="l00234"></a>00234 <a class="code" href="group__system.html#ga9f6573c0763d1e4e97c63c62edad6e42" title="Enters the kernel lock mode.">chSysLock</a>();
<a name="l00235"></a>00235 <a class="code" href="group__debug.html#ga43d50c69eb730d0f024eb832d61f30c9" title="Condition assertion.">chDbgAssert</a>(mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#a98d97b335480672c1e12c71cb9e5223f" title="Driver state.">mmc_state</a> == <a class="code" href="group___m_m_c___s_p_i.html#gga1e31b816b56d556a1ec664e8edf337e2a529707805e8f215249b55f9ed7178adb" title="Stopped.">MMC_STOP</a>, <span class="stringliteral">&quot;mmcStart(), #1&quot;</span>, <span class="stringliteral">&quot;invalid state&quot;</span>);
<a name="l00236"></a>00236 mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#a8cfcb5d549a2f15075ac71ca00aac350" title="Current configuration data.">mmc_config</a> = config;
Imported ChibiOS/RT 2.0.6.
2010-11-22 05:53:37 +00:00
<a name="l00237"></a>00237 mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#a98d97b335480672c1e12c71cb9e5223f" title="Driver state.">mmc_state</a> = MMC_WAIT;
<a name="l00238"></a>00238 mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#adb64bc1ed4ecc1f5a9602d4498e59b0d" title="Insertion counter.">mmc_cnt</a> = MMC_POLLING_INTERVAL;
Initial import
2010-08-10 03:11:02 +00:00
<a name="l00239"></a>00239 <a class="code" href="group__time.html#ga1c44c3a0bc64b2954d95cd98b2e7124e" title="Enables a virtual timer.">chVTSetI</a>(&amp;mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#a715195b2cda407a47f2208f1fb701421" title="MMC insertion polling timer.">mmc_vt</a>, <a class="code" href="group__time.html#ga0a7e7bc6c6225bd9652c4f1567f1bc6a" title="Time conversion utility.">MS2ST</a>(<a class="code" href="group___m_m_c___s_p_i.html#ga6d164ed93ae233b2dc0c35bd19f75224" title="Interval, in milliseconds, between insertion queries.">MMC_POLLING_DELAY</a>), <a class="code" href="group___m_m_c___s_p_i.html#ga6aae8e8af4ea0c35c677fa472fb36318" title="Inserion monitor timer callback function.">tmrfunc</a>, mmcp);
<a name="l00240"></a>00240 <a class="code" href="group__system.html#ga5a257fa58a09815eb64a45e2dfbdc22e" title="Leaves the kernel lock mode.">chSysUnlock</a>();
<a name="l00241"></a>00241 }
<a name="l00242"></a>00242 <span class="comment"></span>
<a name="l00243"></a>00243 <span class="comment">/**</span>
<a name="l00244"></a>00244 <span class="comment"> * @brief Disables the MMC peripheral.</span>
<a name="l00245"></a>00245 <span class="comment"> *</span>
<a name="l00246"></a>00246 <span class="comment"> * @param[in] mmcp pointer to the @p MMCDriver object</span>
<a name="l00247"></a>00247 <span class="comment"> */</span>
<a name="l00248"></a><a class="code" href="group___m_m_c___s_p_i.html#ga27833cde77794f914e4802c7e65281a5">00248</a> <span class="keywordtype">void</span> <a class="code" href="group___m_m_c___s_p_i.html#ga27833cde77794f914e4802c7e65281a5" title="Disables the MMC peripheral.">mmcStop</a>(<a class="code" href="struct_m_m_c_driver.html" title="Structure representing a MMC driver.">MMCDriver</a> *mmcp) {
<a name="l00249"></a>00249
<a name="l00250"></a>00250 <a class="code" href="group__debug.html#ga6bb6c0f97caab3a66332c8bfbf7a3844" title="Function parameter check.">chDbgCheck</a>(mmcp != NULL, <span class="stringliteral">&quot;mmcStop&quot;</span>);
<a name="l00251"></a>00251
<a name="l00252"></a>00252 <a class="code" href="group__system.html#ga9f6573c0763d1e4e97c63c62edad6e42" title="Enters the kernel lock mode.">chSysLock</a>();
<a name="l00253"></a>00253 <a class="code" href="group__debug.html#ga43d50c69eb730d0f024eb832d61f30c9" title="Condition assertion.">chDbgAssert</a>((mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#a98d97b335480672c1e12c71cb9e5223f" title="Driver state.">mmc_state</a> != <a class="code" href="group___m_m_c___s_p_i.html#gga1e31b816b56d556a1ec664e8edf337e2a821452d1fa810c7e04db973f4b84b19e" title="Not initialized.">MMC_UNINIT</a>) &amp;&amp;
<a name="l00254"></a>00254 (mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#a98d97b335480672c1e12c71cb9e5223f" title="Driver state.">mmc_state</a> != <a class="code" href="group___m_m_c___s_p_i.html#gga1e31b816b56d556a1ec664e8edf337e2a6f5a49bec04454f10207a1cf654bdb86" title="Reading.">MMC_READING</a>) &amp;&amp;
<a name="l00255"></a>00255 (mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#a98d97b335480672c1e12c71cb9e5223f" title="Driver state.">mmc_state</a> != <a class="code" href="group___m_m_c___s_p_i.html#gga1e31b816b56d556a1ec664e8edf337e2a06ee52028fd244138137e731f9d1c1d6" title="Writing.">MMC_WRITING</a>),
<a name="l00256"></a>00256 <span class="stringliteral">&quot;mmcStop(), #1&quot;</span>,
<a name="l00257"></a>00257 <span class="stringliteral">&quot;invalid state&quot;</span>);
<a name="l00258"></a>00258 <span class="keywordflow">if</span> (mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#a98d97b335480672c1e12c71cb9e5223f" title="Driver state.">mmc_state</a> != <a class="code" href="group___m_m_c___s_p_i.html#gga1e31b816b56d556a1ec664e8edf337e2a529707805e8f215249b55f9ed7178adb" title="Stopped.">MMC_STOP</a>) {
Imported ChibiOS/RT 2.0.6.
2010-11-22 05:53:37 +00:00
<a name="l00259"></a>00259 mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#a98d97b335480672c1e12c71cb9e5223f" title="Driver state.">mmc_state</a> = MMC_STOP;
Initial import
2010-08-10 03:11:02 +00:00
<a name="l00260"></a>00260 <a class="code" href="group__time.html#ga680d851a74e594cc965101e79891840f" title="Disables a Virtual Timer.">chVTResetI</a>(&amp;mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#a715195b2cda407a47f2208f1fb701421" title="MMC insertion polling timer.">mmc_vt</a>);
<a name="l00261"></a>00261 }
<a name="l00262"></a>00262 <a class="code" href="group__system.html#ga5a257fa58a09815eb64a45e2dfbdc22e" title="Leaves the kernel lock mode.">chSysUnlock</a>();
<a name="l00263"></a>00263 <a class="code" href="group___s_p_i.html#gad3a359eea03e68e95899886ae93a06e4" title="Deactivates the SPI peripheral.">spiStop</a>(mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#ac8850a0d2a6aaba7db684da46f67b666" title="SPI driver associated to this MMC driver.">mmc_spip</a>);
<a name="l00264"></a>00264 }
<a name="l00265"></a>00265 <span class="comment"></span>
<a name="l00266"></a>00266 <span class="comment">/**</span>
<a name="l00267"></a>00267 <span class="comment"> * @brief Performs the initialization procedure on the inserted card.</span>
<a name="l00268"></a>00268 <span class="comment"> * @details This function should be invoked when a card is inserted and</span>
<a name="l00269"></a>00269 <span class="comment"> * brings the driver in the @p MMC_READY state where it is possible</span>
<a name="l00270"></a>00270 <span class="comment"> * to perform read and write operations.</span>
<a name="l00271"></a>00271 <span class="comment"> * @note It is possible to invoke this function from the insertion event</span>
<a name="l00272"></a>00272 <span class="comment"> * handler.</span>
<a name="l00273"></a>00273 <span class="comment"> *</span>
<a name="l00274"></a>00274 <span class="comment"> * @param[in] mmcp pointer to the @p MMCDriver object</span>
<a name="l00275"></a>00275 <span class="comment"> * @return The operation status.</span>
<a name="l00276"></a>00276 <span class="comment"> * @retval FALSE the operation was successful and the driver is now</span>
<a name="l00277"></a>00277 <span class="comment"> * in the @p MMC_READY state.</span>
<a name="l00278"></a>00278 <span class="comment"> * @retval TRUE the operation failed.</span>
<a name="l00279"></a>00279 <span class="comment"> */</span>
<a name="l00280"></a><a class="code" href="group___m_m_c___s_p_i.html#ga9ff4f12fa759c3cb4aca2b64b11f1d22">00280</a> <a class="code" href="group__types.html#ga7556af1cb61728b53228fa3af1c851de" title="Boolean, recommended the fastest signed.">bool_t</a> <a class="code" href="group___m_m_c___s_p_i.html#ga9ff4f12fa759c3cb4aca2b64b11f1d22" title="Performs the initialization procedure on the inserted card.">mmcConnect</a>(<a class="code" href="struct_m_m_c_driver.html" title="Structure representing a MMC driver.">MMCDriver</a> *mmcp) {
<a name="l00281"></a>00281 <span class="keywordtype">unsigned</span> i;
<a name="l00282"></a>00282 <a class="code" href="group__types.html#ga7556af1cb61728b53228fa3af1c851de" title="Boolean, recommended the fastest signed.">bool_t</a> result;
<a name="l00283"></a>00283
<a name="l00284"></a>00284 <a class="code" href="group__debug.html#ga6bb6c0f97caab3a66332c8bfbf7a3844" title="Function parameter check.">chDbgCheck</a>(mmcp != NULL, <span class="stringliteral">&quot;mmcConnect&quot;</span>);
<a name="l00285"></a>00285
<a name="l00286"></a>00286 <a class="code" href="group__debug.html#ga43d50c69eb730d0f024eb832d61f30c9" title="Condition assertion.">chDbgAssert</a>((mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#a98d97b335480672c1e12c71cb9e5223f" title="Driver state.">mmc_state</a> != <a class="code" href="group___m_m_c___s_p_i.html#gga1e31b816b56d556a1ec664e8edf337e2a821452d1fa810c7e04db973f4b84b19e" title="Not initialized.">MMC_UNINIT</a>) &amp;&amp;
<a name="l00287"></a>00287 (mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#a98d97b335480672c1e12c71cb9e5223f" title="Driver state.">mmc_state</a> != <a class="code" href="group___m_m_c___s_p_i.html#gga1e31b816b56d556a1ec664e8edf337e2a529707805e8f215249b55f9ed7178adb" title="Stopped.">MMC_STOP</a>),
<a name="l00288"></a>00288 <span class="stringliteral">&quot;mmcConnect(), #1&quot;</span>,
<a name="l00289"></a>00289 <span class="stringliteral">&quot;invalid state&quot;</span>);
<a name="l00290"></a>00290
<a name="l00291"></a>00291 <span class="keywordflow">if</span> (mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#a98d97b335480672c1e12c71cb9e5223f" title="Driver state.">mmc_state</a> == <a class="code" href="group___m_m_c___s_p_i.html#gga1e31b816b56d556a1ec664e8edf337e2a9d9f024996941451f3b45bf667620630" title="Card inserted.">MMC_INSERTED</a>) {
<a name="l00292"></a>00292 <span class="comment">/* Slow clock mode and 128 clock pulses.*/</span>
<a name="l00293"></a>00293 <a class="code" href="group___s_p_i.html#ga6752c9f736f8de774a5bef6dfe2aae2e" title="Configures and activates the SPI peripheral.">spiStart</a>(mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#ac8850a0d2a6aaba7db684da46f67b666" title="SPI driver associated to this MMC driver.">mmc_spip</a>, mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#aa0f4cfe46b06dbf1213c822b0ddeda98" title="SPI low speed configuration used during initialization.">mmc_lscfg</a>);
<a name="l00294"></a>00294 <a class="code" href="group___s_p_i.html#ga43889a7d4c473f653596f8c0acafce2a" title="Ignores data on the SPI bus.">spiIgnore</a>(mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#ac8850a0d2a6aaba7db684da46f67b666" title="SPI driver associated to this MMC driver.">mmc_spip</a>, 16);
<a name="l00295"></a>00295
<a name="l00296"></a>00296 <span class="comment">/* SPI mode selection.*/</span>
<a name="l00297"></a>00297 i = 0;
<a name="l00298"></a>00298 <span class="keywordflow">while</span> (TRUE) {
<a name="l00299"></a>00299 <span class="keywordflow">if</span> (send_command(mmcp, MMC_CMDGOIDLE, 0) == 0x01)
<a name="l00300"></a>00300 <span class="keywordflow">break</span>;
<a name="l00301"></a>00301 <span class="keywordflow">if</span> (++i &gt;= MMC_CMD0_RETRY)
<a name="l00302"></a>00302 <span class="keywordflow">return</span> TRUE;
<a name="l00303"></a>00303 <a class="code" href="group__threads.html#ga5aebc25e053a0094714abce4cad9f56f" title="Delays the invoking thread for the specified number of milliseconds.">chThdSleepMilliseconds</a>(10);
<a name="l00304"></a>00304 }
<a name="l00305"></a>00305
<a name="l00306"></a>00306 <span class="comment">/* Initialization. */</span>
<a name="l00307"></a>00307 i = 0;
<a name="l00308"></a>00308 <span class="keywordflow">while</span> (TRUE) {
<a name="l00309"></a>00309 <a class="code" href="group___s_t_m8___c_o_r_e.html#gaba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> b = send_command(mmcp, MMC_CMDINIT, 0);
<a name="l00310"></a>00310 <span class="keywordflow">if</span> (b == 0x00)
<a name="l00311"></a>00311 <span class="keywordflow">break</span>;
<a name="l00312"></a>00312 <span class="keywordflow">if</span> (b != 0x01)
<a name="l00313"></a>00313 <span class="keywordflow">return</span> TRUE;
<a name="l00314"></a>00314 <span class="keywordflow">if</span> (++i &gt;= MMC_CMD1_RETRY)
<a name="l00315"></a>00315 <span class="keywordflow">return</span> TRUE;
<a name="l00316"></a>00316 <a class="code" href="group__threads.html#ga5aebc25e053a0094714abce4cad9f56f" title="Delays the invoking thread for the specified number of milliseconds.">chThdSleepMilliseconds</a>(10);
<a name="l00317"></a>00317 }
<a name="l00318"></a>00318
<a name="l00319"></a>00319 <span class="comment">/* Initialization complete, full speed. */</span>
<a name="l00320"></a>00320 <a class="code" href="group___s_p_i.html#ga6752c9f736f8de774a5bef6dfe2aae2e" title="Configures and activates the SPI peripheral.">spiStart</a>(mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#ac8850a0d2a6aaba7db684da46f67b666" title="SPI driver associated to this MMC driver.">mmc_spip</a>, mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#a417202c1ff282a504ecd07831381bf85" title="SPI high speed configuration used during transfers.">mmc_hscfg</a>);
<a name="l00321"></a>00321
<a name="l00322"></a>00322 <span class="comment">/* Setting block size.*/</span>
<a name="l00323"></a>00323 <span class="keywordflow">if</span> (send_command(mmcp, MMC_CMDSETBLOCKLEN, <a class="code" href="group___m_m_c___s_p_i.html#ga502a0143be4c303f3006c0888e1cec82" title="Block size for MMC transfers.">MMC_SECTOR_SIZE</a>) != 0x00)
<a name="l00324"></a>00324 <span class="keywordflow">return</span> TRUE;
<a name="l00325"></a>00325
<a name="l00326"></a>00326 <span class="comment">/* Transition to MMC_READY state (if not extracted).*/</span>
<a name="l00327"></a>00327 <a class="code" href="group__system.html#ga9f6573c0763d1e4e97c63c62edad6e42" title="Enters the kernel lock mode.">chSysLock</a>();
<a name="l00328"></a>00328 <span class="keywordflow">if</span> (mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#a98d97b335480672c1e12c71cb9e5223f" title="Driver state.">mmc_state</a> == <a class="code" href="group___m_m_c___s_p_i.html#gga1e31b816b56d556a1ec664e8edf337e2a9d9f024996941451f3b45bf667620630" title="Card inserted.">MMC_INSERTED</a>) {
Imported ChibiOS/RT 2.0.6.
2010-11-22 05:53:37 +00:00
<a name="l00329"></a>00329 mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#a98d97b335480672c1e12c71cb9e5223f" title="Driver state.">mmc_state</a> = MMC_READY;
Initial import
2010-08-10 03:11:02 +00:00
<a name="l00330"></a>00330 result = FALSE;
<a name="l00331"></a>00331 }
<a name="l00332"></a>00332 <span class="keywordflow">else</span>
<a name="l00333"></a>00333 result = TRUE;
<a name="l00334"></a>00334 <a class="code" href="group__system.html#ga5a257fa58a09815eb64a45e2dfbdc22e" title="Leaves the kernel lock mode.">chSysUnlock</a>();
<a name="l00335"></a>00335 <span class="keywordflow">return</span> result;
<a name="l00336"></a>00336 }
<a name="l00337"></a>00337 <span class="keywordflow">if</span> (mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#a98d97b335480672c1e12c71cb9e5223f" title="Driver state.">mmc_state</a> == <a class="code" href="group___m_m_c___s_p_i.html#gga1e31b816b56d556a1ec664e8edf337e2a47f89e40b37a17a6fa062b7c2349f5ca" title="Card ready.">MMC_READY</a>)
<a name="l00338"></a>00338 <span class="keywordflow">return</span> FALSE;
<a name="l00339"></a>00339 <span class="comment">/* Any other state is invalid.*/</span>
<a name="l00340"></a>00340 <span class="keywordflow">return</span> TRUE;
<a name="l00341"></a>00341 }
<a name="l00342"></a>00342 <span class="comment"></span>
<a name="l00343"></a>00343 <span class="comment">/**</span>
<a name="l00344"></a>00344 <span class="comment"> * @brief Brings the driver in a state safe for card removal.</span>
<a name="l00345"></a>00345 <span class="comment"> *</span>
<a name="l00346"></a>00346 <span class="comment"> * @param[in] mmcp pointer to the @p MMCDriver object</span>
<a name="l00347"></a>00347 <span class="comment"> * @return The operation status.</span>
<a name="l00348"></a>00348 <span class="comment"> * @retval FALSE the operation was successful and the driver is now</span>
<a name="l00349"></a>00349 <span class="comment"> * in the @p MMC_INSERTED state.</span>
<a name="l00350"></a>00350 <span class="comment"> * @retval TRUE the operation failed.</span>
<a name="l00351"></a>00351 <span class="comment"> */</span>
<a name="l00352"></a><a class="code" href="group___m_m_c___s_p_i.html#gab90f252316351a93ec38b11f7eaf1f16">00352</a> <a class="code" href="group__types.html#ga7556af1cb61728b53228fa3af1c851de" title="Boolean, recommended the fastest signed.">bool_t</a> <a class="code" href="group___m_m_c___s_p_i.html#gab90f252316351a93ec38b11f7eaf1f16" title="Brings the driver in a state safe for card removal.">mmcDisconnect</a>(<a class="code" href="struct_m_m_c_driver.html" title="Structure representing a MMC driver.">MMCDriver</a> *mmcp) {
<a name="l00353"></a>00353 <a class="code" href="group__types.html#ga7556af1cb61728b53228fa3af1c851de" title="Boolean, recommended the fastest signed.">bool_t</a> status;
<a name="l00354"></a>00354
<a name="l00355"></a>00355 <a class="code" href="group__debug.html#ga6bb6c0f97caab3a66332c8bfbf7a3844" title="Function parameter check.">chDbgCheck</a>(mmcp != NULL, <span class="stringliteral">&quot;mmcDisconnect&quot;</span>);
<a name="l00356"></a>00356
<a name="l00357"></a>00357 <a class="code" href="group__debug.html#ga43d50c69eb730d0f024eb832d61f30c9" title="Condition assertion.">chDbgAssert</a>((mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#a98d97b335480672c1e12c71cb9e5223f" title="Driver state.">mmc_state</a> != <a class="code" href="group___m_m_c___s_p_i.html#gga1e31b816b56d556a1ec664e8edf337e2a821452d1fa810c7e04db973f4b84b19e" title="Not initialized.">MMC_UNINIT</a>) &amp;&amp;
<a name="l00358"></a>00358 (mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#a98d97b335480672c1e12c71cb9e5223f" title="Driver state.">mmc_state</a> != <a class="code" href="group___m_m_c___s_p_i.html#gga1e31b816b56d556a1ec664e8edf337e2a529707805e8f215249b55f9ed7178adb" title="Stopped.">MMC_STOP</a>),
<a name="l00359"></a>00359 <span class="stringliteral">&quot;mmcDisconnect(), #1&quot;</span>,
<a name="l00360"></a>00360 <span class="stringliteral">&quot;invalid state&quot;</span>);
<a name="l00361"></a>00361 <span class="keywordflow">switch</span> (mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#a98d97b335480672c1e12c71cb9e5223f" title="Driver state.">mmc_state</a>) {
<a name="l00362"></a>00362 <span class="keywordflow">case</span> <a class="code" href="group___m_m_c___s_p_i.html#gga1e31b816b56d556a1ec664e8edf337e2a47f89e40b37a17a6fa062b7c2349f5ca" title="Card ready.">MMC_READY</a>:
<a name="l00363"></a>00363 <span class="comment">/* Wait for the pending write operations to complete.*/</span>
<a name="l00364"></a>00364 sync(mmcp);
<a name="l00365"></a>00365 <a class="code" href="group__system.html#ga9f6573c0763d1e4e97c63c62edad6e42" title="Enters the kernel lock mode.">chSysLock</a>();
<a name="l00366"></a>00366 <span class="keywordflow">if</span> (mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#a98d97b335480672c1e12c71cb9e5223f" title="Driver state.">mmc_state</a> == <a class="code" href="group___m_m_c___s_p_i.html#gga1e31b816b56d556a1ec664e8edf337e2a47f89e40b37a17a6fa062b7c2349f5ca" title="Card ready.">MMC_READY</a>)
Imported ChibiOS/RT 2.0.6.
2010-11-22 05:53:37 +00:00
<a name="l00367"></a>00367 mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#a98d97b335480672c1e12c71cb9e5223f" title="Driver state.">mmc_state</a> = MMC_INSERTED;
Initial import
2010-08-10 03:11:02 +00:00
<a name="l00368"></a>00368 <a class="code" href="group__system.html#ga5a257fa58a09815eb64a45e2dfbdc22e" title="Leaves the kernel lock mode.">chSysUnlock</a>();
<a name="l00369"></a>00369 <span class="keywordflow">case</span> <a class="code" href="group___m_m_c___s_p_i.html#gga1e31b816b56d556a1ec664e8edf337e2a9d9f024996941451f3b45bf667620630" title="Card inserted.">MMC_INSERTED</a>:
<a name="l00370"></a>00370 status = FALSE;
<a name="l00371"></a>00371 <span class="keywordflow">default</span>:
<a name="l00372"></a>00372 status = TRUE;
<a name="l00373"></a>00373 }
<a name="l00374"></a>00374 <a class="code" href="group___s_p_i.html#gad3a359eea03e68e95899886ae93a06e4" title="Deactivates the SPI peripheral.">spiStop</a>(mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#ac8850a0d2a6aaba7db684da46f67b666" title="SPI driver associated to this MMC driver.">mmc_spip</a>);
<a name="l00375"></a>00375 <span class="keywordflow">return</span> status;
<a name="l00376"></a>00376 }
<a name="l00377"></a>00377 <span class="comment"></span>
<a name="l00378"></a>00378 <span class="comment">/**</span>
<a name="l00379"></a>00379 <span class="comment"> * @brief Starts a sequential read.</span>
<a name="l00380"></a>00380 <span class="comment"> *</span>
<a name="l00381"></a>00381 <span class="comment"> * @param[in] mmcp pointer to the @p MMCDriver object</span>
<a name="l00382"></a>00382 <span class="comment"> * @param[in] startblk first block to read</span>
<a name="l00383"></a>00383 <span class="comment"> * @return The operation status.</span>
<a name="l00384"></a>00384 <span class="comment"> * @retval FALSE the operation was successful.</span>
<a name="l00385"></a>00385 <span class="comment"> * @retval TRUE the operation failed.</span>
<a name="l00386"></a>00386 <span class="comment"> */</span>
<a name="l00387"></a><a class="code" href="group___m_m_c___s_p_i.html#ga6c62caa5d008460e7319fb2c36518ddc">00387</a> <a class="code" href="group__types.html#ga7556af1cb61728b53228fa3af1c851de" title="Boolean, recommended the fastest signed.">bool_t</a> <a class="code" href="group___m_m_c___s_p_i.html#ga6c62caa5d008460e7319fb2c36518ddc" title="Starts a sequential read.">mmcStartSequentialRead</a>(<a class="code" href="struct_m_m_c_driver.html" title="Structure representing a MMC driver.">MMCDriver</a> *mmcp, <a class="code" href="group___s_t_m8___c_o_r_e.html#ga06896e8c53f721507066c079052171f8">uint32_t</a> startblk) {
<a name="l00388"></a>00388
<a name="l00389"></a>00389 <a class="code" href="group__debug.html#ga6bb6c0f97caab3a66332c8bfbf7a3844" title="Function parameter check.">chDbgCheck</a>(mmcp != NULL, <span class="stringliteral">&quot;mmcStartSequentialRead&quot;</span>);
<a name="l00390"></a>00390
<a name="l00391"></a>00391 <a class="code" href="group__system.html#ga9f6573c0763d1e4e97c63c62edad6e42" title="Enters the kernel lock mode.">chSysLock</a>();
<a name="l00392"></a>00392 <span class="keywordflow">if</span> (mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#a98d97b335480672c1e12c71cb9e5223f" title="Driver state.">mmc_state</a> != <a class="code" href="group___m_m_c___s_p_i.html#gga1e31b816b56d556a1ec664e8edf337e2a47f89e40b37a17a6fa062b7c2349f5ca" title="Card ready.">MMC_READY</a>) {
<a name="l00393"></a>00393 <a class="code" href="group__system.html#ga5a257fa58a09815eb64a45e2dfbdc22e" title="Leaves the kernel lock mode.">chSysUnlock</a>();
<a name="l00394"></a>00394 <span class="keywordflow">return</span> TRUE;
<a name="l00395"></a>00395 }
Imported ChibiOS/RT 2.0.6.
2010-11-22 05:53:37 +00:00
<a name="l00396"></a>00396 mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#a98d97b335480672c1e12c71cb9e5223f" title="Driver state.">mmc_state</a> = MMC_READING;
Initial import
2010-08-10 03:11:02 +00:00
<a name="l00397"></a>00397 <a class="code" href="group__system.html#ga5a257fa58a09815eb64a45e2dfbdc22e" title="Leaves the kernel lock mode.">chSysUnlock</a>();
<a name="l00398"></a>00398
<a name="l00399"></a>00399 <a class="code" href="group___s_p_i.html#ga6752c9f736f8de774a5bef6dfe2aae2e" title="Configures and activates the SPI peripheral.">spiStart</a>(mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#ac8850a0d2a6aaba7db684da46f67b666" title="SPI driver associated to this MMC driver.">mmc_spip</a>, mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#a417202c1ff282a504ecd07831381bf85" title="SPI high speed configuration used during transfers.">mmc_hscfg</a>);
<a name="l00400"></a>00400 <a class="code" href="group___s_p_i.html#ga00809152c869db80192aa3e04266a99a" title="Asserts the slave select signal and prepares for transfers.">spiSelect</a>(mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#ac8850a0d2a6aaba7db684da46f67b666" title="SPI driver associated to this MMC driver.">mmc_spip</a>);
<a name="l00401"></a>00401 send_hdr(mmcp, MMC_CMDREADMULTIPLE, startblk * <a class="code" href="group___m_m_c___s_p_i.html#ga502a0143be4c303f3006c0888e1cec82" title="Block size for MMC transfers.">MMC_SECTOR_SIZE</a>);
<a name="l00402"></a>00402 <span class="keywordflow">if</span> (recvr1(mmcp) != 0x00) {
<a name="l00403"></a>00403 <a class="code" href="group___s_p_i.html#gae291c012872da9c89dec23581f701b5f" title="Deasserts the slave select signal.">spiUnselect</a>(mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#ac8850a0d2a6aaba7db684da46f67b666" title="SPI driver associated to this MMC driver.">mmc_spip</a>);
<a name="l00404"></a>00404 <a class="code" href="group__system.html#ga9f6573c0763d1e4e97c63c62edad6e42" title="Enters the kernel lock mode.">chSysLock</a>();
<a name="l00405"></a>00405 <span class="keywordflow">if</span> (mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#a98d97b335480672c1e12c71cb9e5223f" title="Driver state.">mmc_state</a> == <a class="code" href="group___m_m_c___s_p_i.html#gga1e31b816b56d556a1ec664e8edf337e2a6f5a49bec04454f10207a1cf654bdb86" title="Reading.">MMC_READING</a>)
Imported ChibiOS/RT 2.0.6.
2010-11-22 05:53:37 +00:00
<a name="l00406"></a>00406 mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#a98d97b335480672c1e12c71cb9e5223f" title="Driver state.">mmc_state</a> = MMC_READY;
Initial import
2010-08-10 03:11:02 +00:00
<a name="l00407"></a>00407 <a class="code" href="group__system.html#ga5a257fa58a09815eb64a45e2dfbdc22e" title="Leaves the kernel lock mode.">chSysUnlock</a>();
<a name="l00408"></a>00408 <span class="keywordflow">return</span> TRUE;
<a name="l00409"></a>00409 }
<a name="l00410"></a>00410 <span class="keywordflow">return</span> FALSE;
<a name="l00411"></a>00411 }
<a name="l00412"></a>00412 <span class="comment"></span>
<a name="l00413"></a>00413 <span class="comment">/**</span>
<a name="l00414"></a>00414 <span class="comment"> * @brief Reads a block within a sequential read operation.</span>
<a name="l00415"></a>00415 <span class="comment"> *</span>
<a name="l00416"></a>00416 <span class="comment"> * @param[in] mmcp pointer to the @p MMCDriver object</span>
<a name="l00417"></a>00417 <span class="comment"> * @param[out] buffer pointer to the read buffer</span>
<a name="l00418"></a>00418 <span class="comment"> * @return The operation status.</span>
<a name="l00419"></a>00419 <span class="comment"> * @retval FALSE the operation was successful.</span>
<a name="l00420"></a>00420 <span class="comment"> * @retval TRUE the operation failed.</span>
<a name="l00421"></a>00421 <span class="comment"> */</span>
<a name="l00422"></a><a class="code" href="group___m_m_c___s_p_i.html#ga7e02b9210a8d3d9f8465b8000983dadf">00422</a> <a class="code" href="group__types.html#ga7556af1cb61728b53228fa3af1c851de" title="Boolean, recommended the fastest signed.">bool_t</a> <a class="code" href="group___m_m_c___s_p_i.html#ga7e02b9210a8d3d9f8465b8000983dadf" title="Reads a block within a sequential read operation.">mmcSequentialRead</a>(<a class="code" href="struct_m_m_c_driver.html" title="Structure representing a MMC driver.">MMCDriver</a> *mmcp, <a class="code" href="group___s_t_m8___c_o_r_e.html#gaba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> *buffer) {
<a name="l00423"></a>00423 <span class="keywordtype">int</span> i;
<a name="l00424"></a>00424
<a name="l00425"></a>00425 <a class="code" href="group__debug.html#ga6bb6c0f97caab3a66332c8bfbf7a3844" title="Function parameter check.">chDbgCheck</a>((mmcp != NULL) &amp;&amp; (buffer != NULL), <span class="stringliteral">&quot;mmcSequentialRead&quot;</span>);
<a name="l00426"></a>00426
<a name="l00427"></a>00427 <a class="code" href="group__system.html#ga9f6573c0763d1e4e97c63c62edad6e42" title="Enters the kernel lock mode.">chSysLock</a>();
<a name="l00428"></a>00428 <span class="keywordflow">if</span> (mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#a98d97b335480672c1e12c71cb9e5223f" title="Driver state.">mmc_state</a> != <a class="code" href="group___m_m_c___s_p_i.html#gga1e31b816b56d556a1ec664e8edf337e2a6f5a49bec04454f10207a1cf654bdb86" title="Reading.">MMC_READING</a>) {
<a name="l00429"></a>00429 <a class="code" href="group__system.html#ga5a257fa58a09815eb64a45e2dfbdc22e" title="Leaves the kernel lock mode.">chSysUnlock</a>();
<a name="l00430"></a>00430 <span class="keywordflow">return</span> TRUE;
<a name="l00431"></a>00431 }
<a name="l00432"></a>00432 <a class="code" href="group__system.html#ga5a257fa58a09815eb64a45e2dfbdc22e" title="Leaves the kernel lock mode.">chSysUnlock</a>();
<a name="l00433"></a>00433
<a name="l00434"></a>00434 <span class="keywordflow">for</span> (i = 0; i &lt; MMC_WAIT_DATA; i++) {
<a name="l00435"></a>00435 <a class="code" href="group___s_p_i.html#gadd99ad823b391dde114f04dedafe5e80" title="Receives data from the SPI bus.">spiReceive</a>(mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#ac8850a0d2a6aaba7db684da46f67b666" title="SPI driver associated to this MMC driver.">mmc_spip</a>, 1, buffer);
<a name="l00436"></a>00436 <span class="keywordflow">if</span> (buffer[0] == 0xFE) {
<a name="l00437"></a>00437 <a class="code" href="group___s_p_i.html#gadd99ad823b391dde114f04dedafe5e80" title="Receives data from the SPI bus.">spiReceive</a>(mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#ac8850a0d2a6aaba7db684da46f67b666" title="SPI driver associated to this MMC driver.">mmc_spip</a>, <a class="code" href="group___m_m_c___s_p_i.html#ga502a0143be4c303f3006c0888e1cec82" title="Block size for MMC transfers.">MMC_SECTOR_SIZE</a>, buffer);
<a name="l00438"></a>00438 <span class="comment">/* CRC ignored. */</span>
<a name="l00439"></a>00439 <a class="code" href="group___s_p_i.html#ga43889a7d4c473f653596f8c0acafce2a" title="Ignores data on the SPI bus.">spiIgnore</a>(mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#ac8850a0d2a6aaba7db684da46f67b666" title="SPI driver associated to this MMC driver.">mmc_spip</a>, 2);
<a name="l00440"></a>00440 <span class="keywordflow">return</span> FALSE;
<a name="l00441"></a>00441 }
<a name="l00442"></a>00442 }
<a name="l00443"></a>00443 <span class="comment">/* Timeout.*/</span>
<a name="l00444"></a>00444 <a class="code" href="group___s_p_i.html#gae291c012872da9c89dec23581f701b5f" title="Deasserts the slave select signal.">spiUnselect</a>(mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#ac8850a0d2a6aaba7db684da46f67b666" title="SPI driver associated to this MMC driver.">mmc_spip</a>);
<a name="l00445"></a>00445 <a class="code" href="group__system.html#ga9f6573c0763d1e4e97c63c62edad6e42" title="Enters the kernel lock mode.">chSysLock</a>();
<a name="l00446"></a>00446 <span class="keywordflow">if</span> (mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#a98d97b335480672c1e12c71cb9e5223f" title="Driver state.">mmc_state</a> == <a class="code" href="group___m_m_c___s_p_i.html#gga1e31b816b56d556a1ec664e8edf337e2a6f5a49bec04454f10207a1cf654bdb86" title="Reading.">MMC_READING</a>)
Imported ChibiOS/RT 2.0.6.
2010-11-22 05:53:37 +00:00
<a name="l00447"></a>00447 mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#a98d97b335480672c1e12c71cb9e5223f" title="Driver state.">mmc_state</a> = MMC_READY;
Initial import
2010-08-10 03:11:02 +00:00
<a name="l00448"></a>00448 <a class="code" href="group__system.html#ga5a257fa58a09815eb64a45e2dfbdc22e" title="Leaves the kernel lock mode.">chSysUnlock</a>();
<a name="l00449"></a>00449 <span class="keywordflow">return</span> TRUE;
<a name="l00450"></a>00450 }
<a name="l00451"></a>00451 <span class="comment"></span>
<a name="l00452"></a>00452 <span class="comment">/**</span>
<a name="l00453"></a>00453 <span class="comment"> * @brief Stops a sequential read gracefully.</span>
<a name="l00454"></a>00454 <span class="comment"> *</span>
<a name="l00455"></a>00455 <span class="comment"> * @param[in] mmcp pointer to the @p MMCDriver object</span>
<a name="l00456"></a>00456 <span class="comment"> * @return The operation status.</span>
<a name="l00457"></a>00457 <span class="comment"> * @retval FALSE the operation was successful.</span>
<a name="l00458"></a>00458 <span class="comment"> * @retval TRUE the operation failed.</span>
<a name="l00459"></a>00459 <span class="comment"> */</span>
<a name="l00460"></a><a class="code" href="group___m_m_c___s_p_i.html#gaf55b97f76be81f4ce5cde415f3131400">00460</a> <a class="code" href="group__types.html#ga7556af1cb61728b53228fa3af1c851de" title="Boolean, recommended the fastest signed.">bool_t</a> <a class="code" href="group___m_m_c___s_p_i.html#gaf55b97f76be81f4ce5cde415f3131400" title="Stops a sequential read gracefully.">mmcStopSequentialRead</a>(<a class="code" href="struct_m_m_c_driver.html" title="Structure representing a MMC driver.">MMCDriver</a> *mmcp) {
<a name="l00461"></a>00461 <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="group___s_t_m8___c_o_r_e.html#gaba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> stopcmd[] = {0x40 | MMC_CMDSTOP, 0, 0, 0, 0, 1, 0xFF};
<a name="l00462"></a>00462 <a class="code" href="group__types.html#ga7556af1cb61728b53228fa3af1c851de" title="Boolean, recommended the fastest signed.">bool_t</a> result;
<a name="l00463"></a>00463
<a name="l00464"></a>00464 <a class="code" href="group__debug.html#ga6bb6c0f97caab3a66332c8bfbf7a3844" title="Function parameter check.">chDbgCheck</a>(mmcp != NULL, <span class="stringliteral">&quot;mmcStopSequentialRead&quot;</span>);
<a name="l00465"></a>00465
<a name="l00466"></a>00466 <a class="code" href="group__system.html#ga9f6573c0763d1e4e97c63c62edad6e42" title="Enters the kernel lock mode.">chSysLock</a>();
<a name="l00467"></a>00467 <span class="keywordflow">if</span> (mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#a98d97b335480672c1e12c71cb9e5223f" title="Driver state.">mmc_state</a> != <a class="code" href="group___m_m_c___s_p_i.html#gga1e31b816b56d556a1ec664e8edf337e2a6f5a49bec04454f10207a1cf654bdb86" title="Reading.">MMC_READING</a>) {
<a name="l00468"></a>00468 <a class="code" href="group__system.html#ga5a257fa58a09815eb64a45e2dfbdc22e" title="Leaves the kernel lock mode.">chSysUnlock</a>();
<a name="l00469"></a>00469 <span class="keywordflow">return</span> TRUE;
<a name="l00470"></a>00470 }
<a name="l00471"></a>00471 <a class="code" href="group__system.html#ga5a257fa58a09815eb64a45e2dfbdc22e" title="Leaves the kernel lock mode.">chSysUnlock</a>();
<a name="l00472"></a>00472
Imported ChibiOS/RT 2.0.6.
2010-11-22 05:53:37 +00:00
<a name="l00473"></a>00473 <a class="code" href="group___s_p_i.html#ga382cfbdffd2df57cf3843d45164e8bfc" title="Sends data over the SPI bus.">spiSend</a>(mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#ac8850a0d2a6aaba7db684da46f67b666" title="SPI driver associated to this MMC driver.">mmc_spip</a>, <span class="keyword">sizeof</span>(stopcmd), stopcmd);
Initial import
2010-08-10 03:11:02 +00:00
<a name="l00474"></a>00474 <span class="comment">/* result = recvr1(mmcp) != 0x00;*/</span>
<a name="l00475"></a>00475 <span class="comment">/* Note, ignored r1 response, it can be not zero, unknown issue.*/</span>
<a name="l00476"></a>00476 recvr1(mmcp);
<a name="l00477"></a>00477 result = FALSE;
<a name="l00478"></a>00478 <a class="code" href="group___s_p_i.html#gae291c012872da9c89dec23581f701b5f" title="Deasserts the slave select signal.">spiUnselect</a>(mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#ac8850a0d2a6aaba7db684da46f67b666" title="SPI driver associated to this MMC driver.">mmc_spip</a>);
<a name="l00479"></a>00479
<a name="l00480"></a>00480 <a class="code" href="group__system.html#ga9f6573c0763d1e4e97c63c62edad6e42" title="Enters the kernel lock mode.">chSysLock</a>();
<a name="l00481"></a>00481 <span class="keywordflow">if</span> (mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#a98d97b335480672c1e12c71cb9e5223f" title="Driver state.">mmc_state</a> == <a class="code" href="group___m_m_c___s_p_i.html#gga1e31b816b56d556a1ec664e8edf337e2a6f5a49bec04454f10207a1cf654bdb86" title="Reading.">MMC_READING</a>)
Imported ChibiOS/RT 2.0.6.
2010-11-22 05:53:37 +00:00
<a name="l00482"></a>00482 mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#a98d97b335480672c1e12c71cb9e5223f" title="Driver state.">mmc_state</a> = MMC_READY;
Initial import
2010-08-10 03:11:02 +00:00
<a name="l00483"></a>00483 <a class="code" href="group__system.html#ga5a257fa58a09815eb64a45e2dfbdc22e" title="Leaves the kernel lock mode.">chSysUnlock</a>();
<a name="l00484"></a>00484 <span class="keywordflow">return</span> result;
<a name="l00485"></a>00485 }
<a name="l00486"></a>00486 <span class="comment"></span>
<a name="l00487"></a>00487 <span class="comment">/**</span>
<a name="l00488"></a>00488 <span class="comment"> * @brief Starts a sequential write.</span>
<a name="l00489"></a>00489 <span class="comment"> *</span>
<a name="l00490"></a>00490 <span class="comment"> * @param[in] mmcp pointer to the @p MMCDriver object</span>
<a name="l00491"></a>00491 <span class="comment"> * @param[in] startblk first block to write</span>
<a name="l00492"></a>00492 <span class="comment"> * @return The operation status.</span>
<a name="l00493"></a>00493 <span class="comment"> * @retval FALSE the operation was successful.</span>
<a name="l00494"></a>00494 <span class="comment"> * @retval TRUE the operation failed.</span>
<a name="l00495"></a>00495 <span class="comment"> */</span>
<a name="l00496"></a><a class="code" href="group___m_m_c___s_p_i.html#ga8031c8222f92a0c6632b36ff943fe825">00496</a> <a class="code" href="group__types.html#ga7556af1cb61728b53228fa3af1c851de" title="Boolean, recommended the fastest signed.">bool_t</a> <a class="code" href="group___m_m_c___s_p_i.html#ga8031c8222f92a0c6632b36ff943fe825" title="Starts a sequential write.">mmcStartSequentialWrite</a>(<a class="code" href="struct_m_m_c_driver.html" title="Structure representing a MMC driver.">MMCDriver</a> *mmcp, <a class="code" href="group___s_t_m8___c_o_r_e.html#ga06896e8c53f721507066c079052171f8">uint32_t</a> startblk) {
<a name="l00497"></a>00497
<a name="l00498"></a>00498 <a class="code" href="group__debug.html#ga6bb6c0f97caab3a66332c8bfbf7a3844" title="Function parameter check.">chDbgCheck</a>(mmcp != NULL, <span class="stringliteral">&quot;mmcStartSequentialWrite&quot;</span>);
<a name="l00499"></a>00499
<a name="l00500"></a>00500 <a class="code" href="group__system.html#ga9f6573c0763d1e4e97c63c62edad6e42" title="Enters the kernel lock mode.">chSysLock</a>();
<a name="l00501"></a>00501 <span class="keywordflow">if</span> (mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#a98d97b335480672c1e12c71cb9e5223f" title="Driver state.">mmc_state</a> != <a class="code" href="group___m_m_c___s_p_i.html#gga1e31b816b56d556a1ec664e8edf337e2a47f89e40b37a17a6fa062b7c2349f5ca" title="Card ready.">MMC_READY</a>) {
<a name="l00502"></a>00502 <a class="code" href="group__system.html#ga5a257fa58a09815eb64a45e2dfbdc22e" title="Leaves the kernel lock mode.">chSysUnlock</a>();
<a name="l00503"></a>00503 <span class="keywordflow">return</span> TRUE;
<a name="l00504"></a>00504 }
Imported ChibiOS/RT 2.0.6.
2010-11-22 05:53:37 +00:00
<a name="l00505"></a>00505 mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#a98d97b335480672c1e12c71cb9e5223f" title="Driver state.">mmc_state</a> = MMC_WRITING;
Initial import
2010-08-10 03:11:02 +00:00
<a name="l00506"></a>00506 <a class="code" href="group__system.html#ga5a257fa58a09815eb64a45e2dfbdc22e" title="Leaves the kernel lock mode.">chSysUnlock</a>();
<a name="l00507"></a>00507
<a name="l00508"></a>00508 <a class="code" href="group___s_p_i.html#ga6752c9f736f8de774a5bef6dfe2aae2e" title="Configures and activates the SPI peripheral.">spiStart</a>(mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#ac8850a0d2a6aaba7db684da46f67b666" title="SPI driver associated to this MMC driver.">mmc_spip</a>, mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#a417202c1ff282a504ecd07831381bf85" title="SPI high speed configuration used during transfers.">mmc_hscfg</a>);
<a name="l00509"></a>00509 <a class="code" href="group___s_p_i.html#ga00809152c869db80192aa3e04266a99a" title="Asserts the slave select signal and prepares for transfers.">spiSelect</a>(mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#ac8850a0d2a6aaba7db684da46f67b666" title="SPI driver associated to this MMC driver.">mmc_spip</a>);
<a name="l00510"></a>00510 send_hdr(mmcp, MMC_CMDWRITEMULTIPLE, startblk * <a class="code" href="group___m_m_c___s_p_i.html#ga502a0143be4c303f3006c0888e1cec82" title="Block size for MMC transfers.">MMC_SECTOR_SIZE</a>);
<a name="l00511"></a>00511 <span class="keywordflow">if</span> (recvr1(mmcp) != 0x00) {
<a name="l00512"></a>00512 <a class="code" href="group___s_p_i.html#gae291c012872da9c89dec23581f701b5f" title="Deasserts the slave select signal.">spiUnselect</a>(mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#ac8850a0d2a6aaba7db684da46f67b666" title="SPI driver associated to this MMC driver.">mmc_spip</a>);
<a name="l00513"></a>00513 <a class="code" href="group__system.html#ga9f6573c0763d1e4e97c63c62edad6e42" title="Enters the kernel lock mode.">chSysLock</a>();
<a name="l00514"></a>00514 <span class="keywordflow">if</span> (mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#a98d97b335480672c1e12c71cb9e5223f" title="Driver state.">mmc_state</a> == <a class="code" href="group___m_m_c___s_p_i.html#gga1e31b816b56d556a1ec664e8edf337e2a06ee52028fd244138137e731f9d1c1d6" title="Writing.">MMC_WRITING</a>)
Imported ChibiOS/RT 2.0.6.
2010-11-22 05:53:37 +00:00
<a name="l00515"></a>00515 mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#a98d97b335480672c1e12c71cb9e5223f" title="Driver state.">mmc_state</a> = MMC_READY;
Initial import
2010-08-10 03:11:02 +00:00
<a name="l00516"></a>00516 <a class="code" href="group__system.html#ga5a257fa58a09815eb64a45e2dfbdc22e" title="Leaves the kernel lock mode.">chSysUnlock</a>();
<a name="l00517"></a>00517 <span class="keywordflow">return</span> TRUE;
<a name="l00518"></a>00518 }
<a name="l00519"></a>00519 <span class="keywordflow">return</span> FALSE;
<a name="l00520"></a>00520 }
<a name="l00521"></a>00521 <span class="comment"></span>
<a name="l00522"></a>00522 <span class="comment">/**</span>
<a name="l00523"></a>00523 <span class="comment"> * @brief Writes a block within a sequential write operation.</span>
<a name="l00524"></a>00524 <span class="comment"> *</span>
<a name="l00525"></a>00525 <span class="comment"> * @param[in] mmcp pointer to the @p MMCDriver object</span>
<a name="l00526"></a>00526 <span class="comment"> * @param[out] buffer pointer to the write buffer</span>
<a name="l00527"></a>00527 <span class="comment"> * @return The operation status.</span>
<a name="l00528"></a>00528 <span class="comment"> * @retval FALSE the operation was successful.</span>
<a name="l00529"></a>00529 <span class="comment"> * @retval TRUE the operation failed.</span>
<a name="l00530"></a>00530 <span class="comment"> */</span>
<a name="l00531"></a><a class="code" href="group___m_m_c___s_p_i.html#ga9ce0adb181138efc1f835aff6d8eb203">00531</a> <a class="code" href="group__types.html#ga7556af1cb61728b53228fa3af1c851de" title="Boolean, recommended the fastest signed.">bool_t</a> <a class="code" href="group___m_m_c___s_p_i.html#ga9ce0adb181138efc1f835aff6d8eb203" title="Writes a block within a sequential write operation.">mmcSequentialWrite</a>(<a class="code" href="struct_m_m_c_driver.html" title="Structure representing a MMC driver.">MMCDriver</a> *mmcp, <span class="keyword">const</span> <a class="code" href="group___s_t_m8___c_o_r_e.html#gaba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> *buffer) {
<a name="l00532"></a>00532 <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="group___s_t_m8___c_o_r_e.html#gaba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> start[] = {0xFF, 0xFC};
<a name="l00533"></a>00533 <a class="code" href="group___s_t_m8___c_o_r_e.html#gaba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> b[1];
<a name="l00534"></a>00534
<a name="l00535"></a>00535 <a class="code" href="group__debug.html#ga6bb6c0f97caab3a66332c8bfbf7a3844" title="Function parameter check.">chDbgCheck</a>((mmcp != NULL) &amp;&amp; (buffer != NULL), <span class="stringliteral">&quot;mmcSequentialWrite&quot;</span>);
<a name="l00536"></a>00536
<a name="l00537"></a>00537 <a class="code" href="group__system.html#ga9f6573c0763d1e4e97c63c62edad6e42" title="Enters the kernel lock mode.">chSysLock</a>();
<a name="l00538"></a>00538 <span class="keywordflow">if</span> (mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#a98d97b335480672c1e12c71cb9e5223f" title="Driver state.">mmc_state</a> != <a class="code" href="group___m_m_c___s_p_i.html#gga1e31b816b56d556a1ec664e8edf337e2a06ee52028fd244138137e731f9d1c1d6" title="Writing.">MMC_WRITING</a>) {
<a name="l00539"></a>00539 <a class="code" href="group__system.html#ga5a257fa58a09815eb64a45e2dfbdc22e" title="Leaves the kernel lock mode.">chSysUnlock</a>();
<a name="l00540"></a>00540 <span class="keywordflow">return</span> TRUE;
<a name="l00541"></a>00541 }
<a name="l00542"></a>00542 <a class="code" href="group__system.html#ga5a257fa58a09815eb64a45e2dfbdc22e" title="Leaves the kernel lock mode.">chSysUnlock</a>();
<a name="l00543"></a>00543
Imported ChibiOS/RT 2.0.6.
2010-11-22 05:53:37 +00:00
<a name="l00544"></a>00544 <a class="code" href="group___s_p_i.html#ga382cfbdffd2df57cf3843d45164e8bfc" title="Sends data over the SPI bus.">spiSend</a>(mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#ac8850a0d2a6aaba7db684da46f67b666" title="SPI driver associated to this MMC driver.">mmc_spip</a>, <span class="keyword">sizeof</span>(start), start); <span class="comment">/* Data prologue. */</span>
<a name="l00545"></a>00545 <a class="code" href="group___s_p_i.html#ga382cfbdffd2df57cf3843d45164e8bfc" title="Sends data over the SPI bus.">spiSend</a>(mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#ac8850a0d2a6aaba7db684da46f67b666" title="SPI driver associated to this MMC driver.">mmc_spip</a>, <a class="code" href="group___m_m_c___s_p_i.html#ga502a0143be4c303f3006c0888e1cec82" title="Block size for MMC transfers.">MMC_SECTOR_SIZE</a>, buffer); <span class="comment">/* Data. */</span>
Initial import
2010-08-10 03:11:02 +00:00
<a name="l00546"></a>00546 <a class="code" href="group___s_p_i.html#ga43889a7d4c473f653596f8c0acafce2a" title="Ignores data on the SPI bus.">spiIgnore</a>(mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#ac8850a0d2a6aaba7db684da46f67b666" title="SPI driver associated to this MMC driver.">mmc_spip</a>, 2); <span class="comment">/* CRC ignored. */</span>
<a name="l00547"></a>00547 <a class="code" href="group___s_p_i.html#gadd99ad823b391dde114f04dedafe5e80" title="Receives data from the SPI bus.">spiReceive</a>(mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#ac8850a0d2a6aaba7db684da46f67b666" title="SPI driver associated to this MMC driver.">mmc_spip</a>, 1, b);
<a name="l00548"></a>00548 <span class="keywordflow">if</span> ((b[0] &amp; 0x1F) == 0x05) {
<a name="l00549"></a>00549 wait(mmcp);
<a name="l00550"></a>00550 <span class="keywordflow">return</span> FALSE;
<a name="l00551"></a>00551 }
<a name="l00552"></a>00552
<a name="l00553"></a>00553 <span class="comment">/* Error.*/</span>
<a name="l00554"></a>00554 <a class="code" href="group___s_p_i.html#gae291c012872da9c89dec23581f701b5f" title="Deasserts the slave select signal.">spiUnselect</a>(mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#ac8850a0d2a6aaba7db684da46f67b666" title="SPI driver associated to this MMC driver.">mmc_spip</a>);
<a name="l00555"></a>00555 <a class="code" href="group__system.html#ga9f6573c0763d1e4e97c63c62edad6e42" title="Enters the kernel lock mode.">chSysLock</a>();
<a name="l00556"></a>00556 <span class="keywordflow">if</span> (mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#a98d97b335480672c1e12c71cb9e5223f" title="Driver state.">mmc_state</a> == <a class="code" href="group___m_m_c___s_p_i.html#gga1e31b816b56d556a1ec664e8edf337e2a06ee52028fd244138137e731f9d1c1d6" title="Writing.">MMC_WRITING</a>)
Imported ChibiOS/RT 2.0.6.
2010-11-22 05:53:37 +00:00
<a name="l00557"></a>00557 mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#a98d97b335480672c1e12c71cb9e5223f" title="Driver state.">mmc_state</a> = MMC_READY;
Initial import
2010-08-10 03:11:02 +00:00
<a name="l00558"></a>00558 <a class="code" href="group__system.html#ga5a257fa58a09815eb64a45e2dfbdc22e" title="Leaves the kernel lock mode.">chSysUnlock</a>();
<a name="l00559"></a>00559 <span class="keywordflow">return</span> TRUE;
<a name="l00560"></a>00560 }
<a name="l00561"></a>00561 <span class="comment"></span>
<a name="l00562"></a>00562 <span class="comment">/**</span>
<a name="l00563"></a>00563 <span class="comment"> * @brief Stops a sequential write gracefully.</span>
<a name="l00564"></a>00564 <span class="comment"> *</span>
<a name="l00565"></a>00565 <span class="comment"> * @param[in] mmcp pointer to the @p MMCDriver object</span>
<a name="l00566"></a>00566 <span class="comment"> * @return The operation status.</span>
<a name="l00567"></a>00567 <span class="comment"> * @retval FALSE the operation was successful.</span>
<a name="l00568"></a>00568 <span class="comment"> * @retval TRUE the operation failed.</span>
<a name="l00569"></a>00569 <span class="comment"> */</span>
<a name="l00570"></a><a class="code" href="group___m_m_c___s_p_i.html#gae84abdd53540f03262822aa1f9a213b5">00570</a> <a class="code" href="group__types.html#ga7556af1cb61728b53228fa3af1c851de" title="Boolean, recommended the fastest signed.">bool_t</a> <a class="code" href="group___m_m_c___s_p_i.html#gae84abdd53540f03262822aa1f9a213b5" title="Stops a sequential write gracefully.">mmcStopSequentialWrite</a>(<a class="code" href="struct_m_m_c_driver.html" title="Structure representing a MMC driver.">MMCDriver</a> *mmcp) {
<a name="l00571"></a>00571 <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="group___s_t_m8___c_o_r_e.html#gaba7bc1797add20fe3efdf37ced1182c5">uint8_t</a> stop[] = {0xFD, 0xFF};
<a name="l00572"></a>00572
<a name="l00573"></a>00573 <a class="code" href="group__debug.html#ga6bb6c0f97caab3a66332c8bfbf7a3844" title="Function parameter check.">chDbgCheck</a>(mmcp != NULL, <span class="stringliteral">&quot;mmcStopSequentialWrite&quot;</span>);
<a name="l00574"></a>00574
<a name="l00575"></a>00575 <a class="code" href="group__system.html#ga9f6573c0763d1e4e97c63c62edad6e42" title="Enters the kernel lock mode.">chSysLock</a>();
<a name="l00576"></a>00576 <span class="keywordflow">if</span> (mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#a98d97b335480672c1e12c71cb9e5223f" title="Driver state.">mmc_state</a> != <a class="code" href="group___m_m_c___s_p_i.html#gga1e31b816b56d556a1ec664e8edf337e2a06ee52028fd244138137e731f9d1c1d6" title="Writing.">MMC_WRITING</a>) {
<a name="l00577"></a>00577 <a class="code" href="group__system.html#ga5a257fa58a09815eb64a45e2dfbdc22e" title="Leaves the kernel lock mode.">chSysUnlock</a>();
<a name="l00578"></a>00578 <span class="keywordflow">return</span> TRUE;
<a name="l00579"></a>00579 }
<a name="l00580"></a>00580 <a class="code" href="group__system.html#ga5a257fa58a09815eb64a45e2dfbdc22e" title="Leaves the kernel lock mode.">chSysUnlock</a>();
<a name="l00581"></a>00581
Imported ChibiOS/RT 2.0.6.
2010-11-22 05:53:37 +00:00
<a name="l00582"></a>00582 <a class="code" href="group___s_p_i.html#ga382cfbdffd2df57cf3843d45164e8bfc" title="Sends data over the SPI bus.">spiSend</a>(mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#ac8850a0d2a6aaba7db684da46f67b666" title="SPI driver associated to this MMC driver.">mmc_spip</a>, <span class="keyword">sizeof</span>(stop), stop);
Initial import
2010-08-10 03:11:02 +00:00
<a name="l00583"></a>00583 <a class="code" href="group___s_p_i.html#gae291c012872da9c89dec23581f701b5f" title="Deasserts the slave select signal.">spiUnselect</a>(mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#ac8850a0d2a6aaba7db684da46f67b666" title="SPI driver associated to this MMC driver.">mmc_spip</a>);
<a name="l00584"></a>00584
<a name="l00585"></a>00585 <a class="code" href="group__system.html#ga9f6573c0763d1e4e97c63c62edad6e42" title="Enters the kernel lock mode.">chSysLock</a>();
<a name="l00586"></a>00586 <span class="keywordflow">if</span> (mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#a98d97b335480672c1e12c71cb9e5223f" title="Driver state.">mmc_state</a> == <a class="code" href="group___m_m_c___s_p_i.html#gga1e31b816b56d556a1ec664e8edf337e2a06ee52028fd244138137e731f9d1c1d6" title="Writing.">MMC_WRITING</a>) {
Imported ChibiOS/RT 2.0.6.
2010-11-22 05:53:37 +00:00
<a name="l00587"></a>00587 mmcp-&gt;<a class="code" href="struct_m_m_c_driver.html#a98d97b335480672c1e12c71cb9e5223f" title="Driver state.">mmc_state</a> = MMC_READY;
Initial import
2010-08-10 03:11:02 +00:00
<a name="l00588"></a>00588 <a class="code" href="group__system.html#ga5a257fa58a09815eb64a45e2dfbdc22e" title="Leaves the kernel lock mode.">chSysUnlock</a>();
<a name="l00589"></a>00589 <span class="keywordflow">return</span> FALSE;
<a name="l00590"></a>00590 }
<a name="l00591"></a>00591 <a class="code" href="group__system.html#ga5a257fa58a09815eb64a45e2dfbdc22e" title="Leaves the kernel lock mode.">chSysUnlock</a>();
<a name="l00592"></a>00592 <span class="keywordflow">return</span> TRUE;
<a name="l00593"></a>00593 }
<a name="l00594"></a>00594
<a name="l00595"></a>00595 <span class="preprocessor">#endif </span><span class="comment">/* CH_HAL_USE_MMC_SPI */</span>
<a name="l00596"></a>00596 <span class="comment"></span>
<a name="l00597"></a>00597 <span class="comment">/** @} */</span>
</pre></div></div>
Imported ChibiOS/RT 2.0.6.
2010-11-22 05:53:37 +00:00
</div>
Initial import
2010-08-10 03:11:02 +00:00
<hr size="1"><address style="text-align: right;"><small>
import ChibiOS 2.0.8
2010-11-30 04:54:43 +00:00
Generated on Sun Nov 28 2010 14:09:49 for ChibiOS/RT by&nbsp;<a href="http://www.doxygen.org/index.html"><img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.7.1</small></address>
Initial import
2010-08-10 03:11:02 +00:00
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