183 lines
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183 lines
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<div class="title">stm32f4xx_rng.c File Reference</div> </div>
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<p>This file provides firmware functions to manage the following functionalities of the Random Number Generator (RNG) peripheral:
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<a href="#details">More...</a></p>
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<div class="textblock"><code>#include "<a class="el" href="stm32f4xx__rng_8h_source.html">stm32f4xx_rng.h</a>"</code><br />
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<code>#include "<a class="el" href="stm32f4xx__rcc_8h_source.html">stm32f4xx_rcc.h</a>"</code><br />
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</div>
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</div><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
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Functions</h2></td></tr>
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<tr class="memitem:ga15ff5e649080076eebd51143b9ac4491"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___r_n_g___group1.html#ga15ff5e649080076eebd51143b9ac4491">RNG_DeInit</a> (void)</td></tr>
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<tr class="memdesc:ga15ff5e649080076eebd51143b9ac4491"><td class="mdescLeft"> </td><td class="mdescRight">De-initializes the RNG peripheral registers to their default reset values. <a href="group___r_n_g___group1.html#ga15ff5e649080076eebd51143b9ac4491">More...</a><br /></td></tr>
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<tr class="separator:ga15ff5e649080076eebd51143b9ac4491"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga6c1a8372da6e8a06819903c63faecd7b"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___r_n_g___group1.html#ga6c1a8372da6e8a06819903c63faecd7b">RNG_Cmd</a> (FunctionalState NewState)</td></tr>
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<tr class="memdesc:ga6c1a8372da6e8a06819903c63faecd7b"><td class="mdescLeft"> </td><td class="mdescRight">Enables or disables the RNG peripheral. <a href="group___r_n_g___group1.html#ga6c1a8372da6e8a06819903c63faecd7b">More...</a><br /></td></tr>
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<tr class="separator:ga6c1a8372da6e8a06819903c63faecd7b"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga2cead4780224fd74a3fc15543c98ed36"><td class="memItemLeft" align="right" valign="top">uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group___r_n_g___group2.html#ga2cead4780224fd74a3fc15543c98ed36">RNG_GetRandomNumber</a> (void)</td></tr>
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<tr class="memdesc:ga2cead4780224fd74a3fc15543c98ed36"><td class="mdescLeft"> </td><td class="mdescRight">Returns a 32-bit random number. <a href="group___r_n_g___group2.html#ga2cead4780224fd74a3fc15543c98ed36">More...</a><br /></td></tr>
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<tr class="separator:ga2cead4780224fd74a3fc15543c98ed36"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga41d9be4c303ba0875a82c62dc7085f08"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___r_n_g___group3.html#ga41d9be4c303ba0875a82c62dc7085f08">RNG_ITConfig</a> (FunctionalState NewState)</td></tr>
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<tr class="memdesc:ga41d9be4c303ba0875a82c62dc7085f08"><td class="mdescLeft"> </td><td class="mdescRight">Enables or disables the RNG interrupt. <a href="group___r_n_g___group3.html#ga41d9be4c303ba0875a82c62dc7085f08">More...</a><br /></td></tr>
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<tr class="separator:ga41d9be4c303ba0875a82c62dc7085f08"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gab70d6cc7d943dfb8eac15ccecf6cd7b3"><td class="memItemLeft" align="right" valign="top">FlagStatus </td><td class="memItemRight" valign="bottom"><a class="el" href="group___r_n_g___group3.html#gab70d6cc7d943dfb8eac15ccecf6cd7b3">RNG_GetFlagStatus</a> (uint8_t RNG_FLAG)</td></tr>
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<tr class="memdesc:gab70d6cc7d943dfb8eac15ccecf6cd7b3"><td class="mdescLeft"> </td><td class="mdescRight">Checks whether the specified RNG flag is set or not. <a href="group___r_n_g___group3.html#gab70d6cc7d943dfb8eac15ccecf6cd7b3">More...</a><br /></td></tr>
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<tr class="separator:gab70d6cc7d943dfb8eac15ccecf6cd7b3"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gac3c67fe6bacdc4529f1707025224f954"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___r_n_g___group3.html#gac3c67fe6bacdc4529f1707025224f954">RNG_ClearFlag</a> (uint8_t RNG_FLAG)</td></tr>
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<tr class="memdesc:gac3c67fe6bacdc4529f1707025224f954"><td class="mdescLeft"> </td><td class="mdescRight">Clears the RNG flags. <a href="group___r_n_g___group3.html#gac3c67fe6bacdc4529f1707025224f954">More...</a><br /></td></tr>
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<tr class="separator:gac3c67fe6bacdc4529f1707025224f954"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gab58eaab67698770d9ea9775fb280271f"><td class="memItemLeft" align="right" valign="top">ITStatus </td><td class="memItemRight" valign="bottom"><a class="el" href="group___r_n_g___group3.html#gab58eaab67698770d9ea9775fb280271f">RNG_GetITStatus</a> (uint8_t RNG_IT)</td></tr>
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<tr class="memdesc:gab58eaab67698770d9ea9775fb280271f"><td class="mdescLeft"> </td><td class="mdescRight">Checks whether the specified RNG interrupt has occurred or not. <a href="group___r_n_g___group3.html#gab58eaab67698770d9ea9775fb280271f">More...</a><br /></td></tr>
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<tr class="separator:gab58eaab67698770d9ea9775fb280271f"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga2b1c78c003cd5c886e09fdbc2c89cacb"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___r_n_g___group3.html#ga2b1c78c003cd5c886e09fdbc2c89cacb">RNG_ClearITPendingBit</a> (uint8_t RNG_IT)</td></tr>
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<tr class="memdesc:ga2b1c78c003cd5c886e09fdbc2c89cacb"><td class="mdescLeft"> </td><td class="mdescRight">Clears the RNG interrupt pending bit(s). <a href="group___r_n_g___group3.html#ga2b1c78c003cd5c886e09fdbc2c89cacb">More...</a><br /></td></tr>
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<tr class="separator:ga2b1c78c003cd5c886e09fdbc2c89cacb"><td class="memSeparator" colspan="2"> </td></tr>
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</table>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<div class="textblock"><p>This file provides firmware functions to manage the following functionalities of the Random Number Generator (RNG) peripheral: </p>
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<dl class="section author"><dt>Author</dt><dd>MCD Application Team </dd></dl>
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<dl class="section version"><dt>Version</dt><dd>V1.4.0 </dd></dl>
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<dl class="section date"><dt>Date</dt><dd>04-August-2014<ul>
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<li>Initialization and Configuration</li>
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<li>Get 32 bit Random number</li>
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<li>Interrupts and flags management</li>
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</ul>
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</dd></dl>
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<pre class="fragment"> ===================================================================
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##### How to use this driver #####
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===================================================================
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[..]
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(#) Enable The RNG controller clock using
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RCC_AHB2PeriphClockCmd(RCC_AHB2Periph_RNG, ENABLE) function.
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(#) Activate the RNG peripheral using RNG_Cmd() function.
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(#) Wait until the 32 bit Random number Generator contains a valid random data
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(using polling/interrupt mode). For more details, refer to "Interrupts and
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flags management functions" module description.
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(#) Get the 32 bit Random number using RNG_GetRandomNumber() function
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(#) To get another 32 bit Random number, go to step 3. </pre><pre class="fragment">@attention
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<h2><center>&copy; COPYRIGHT 2014 STMicroelectronics</center></h2>
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Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
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You may not use this file except in compliance with the License.
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You may obtain a copy of the License at:
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http://www.st.com/software_license_agreement_liberty_v2
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.</pre></div></div><!-- contents -->
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