202 lines
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202 lines
32 KiB
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<div class="title">stm32f4xx_iwdg.h File Reference</div> </div>
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<p>This file contains all the functions prototypes for the IWDG firmware library.
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<a href="#details">More...</a></p>
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<div class="textblock"><code>#include "<a class="el" href="stm32f4xx_8h_source.html">stm32f4xx.h</a>"</code><br />
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" alt="" coords="5271,281,5487,322"/><area shape="rect" id="node44" href="stm32f4xx__dma2d_8h.html" title="This file contains all the functions prototypes for the DMA2D firmware library. " alt="" coords="5511,281,5719,322"/><area shape="rect" id="node45" href="stm32f4xx__flash__ramfunc_8h.html" title="Header file of FLASH RAMFUNC driver. " alt="" coords="3949,281,4157,322"/><area shape="rect" id="node46" href="stm32f4xx__ltdc_8h.html" title="This file contains all the functions prototypes for the LTDC firmware library. " alt="" coords="4181,281,4389,322"/><area shape="rect" id="node47" href="stm32f4xx__sai_8h.html" title="This file contains all the functions prototypes for the SAI firmware library. " alt="" coords="4413,281,4621,322"/><area shape="rect" id="node48" href="usb__conf_8h_source.html" title="discovery/libs/StmUsbHost\l/STM32_USB_Device_Specific\l/usb_conf.h" alt="" coords="4646,273,4845,329"/><area shape="rect" id="node49" href="system__stm32f4xx_8c.html" title="CMSIS Cortex-M4 Device Peripheral Access Layer System Source File. This file contains the system cloc..." alt="" coords="4869,281,5014,322"/><area shape="rect" id="node5" href="misc_8c.html" title="This file provides all the miscellaneous firmware functions (add-on to CMSIS functions). " alt="" coords="3717,377,3925,419"/><area shape="rect" id="node7" href="stm32f4xx__adc_8c.html" title="This file provides firmware functions to manage the following functionalities of the Analog to Digita..." alt="" coords="1543,377,1751,419"/><area shape="rect" id="node9" href="stm32f4xx__crc_8c.html" title="This file provides all the CRC firmware functions. 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<p><a href="stm32f4xx__iwdg_8h_source.html">Go to the source code of this file.</a></p>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="define-members"></a>
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Macros</h2></td></tr>
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<tr class="memitem:ga86f4b926f4351e19ea069f98c2e65f91"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga86f4b926f4351e19ea069f98c2e65f91"></a>
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#define </td><td class="memItemRight" valign="bottom"><b>IWDG_WriteAccess_Enable</b>   ((uint16_t)0x5555)</td></tr>
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<tr class="separator:ga86f4b926f4351e19ea069f98c2e65f91"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga4b395cf5b2d7ab18fc71a5f779f758cc"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga4b395cf5b2d7ab18fc71a5f779f758cc"></a>
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#define </td><td class="memItemRight" valign="bottom"><b>IWDG_WriteAccess_Disable</b>   ((uint16_t)0x0000)</td></tr>
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<tr class="separator:ga4b395cf5b2d7ab18fc71a5f779f758cc"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gaa89c93332f5977175f8d416b7492de18"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><b>IS_IWDG_WRITE_ACCESS</b>(ACCESS)</td></tr>
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<tr class="memitem:ga82a058c196d5a9cd7ea2f2202b394ba0"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga82a058c196d5a9cd7ea2f2202b394ba0"></a>
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#define </td><td class="memItemRight" valign="bottom"><b>IWDG_Prescaler_4</b>   ((uint8_t)0x00)</td></tr>
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<tr class="memitem:ga59763b9a127c67adf5d11474188996a1"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga59763b9a127c67adf5d11474188996a1"></a>
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#define </td><td class="memItemRight" valign="bottom"><b>IWDG_Prescaler_8</b>   ((uint8_t)0x01)</td></tr>
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#define </td><td class="memItemRight" valign="bottom"><b>IWDG_Prescaler_16</b>   ((uint8_t)0x02)</td></tr>
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#define </td><td class="memItemRight" valign="bottom"><b>IWDG_Prescaler_32</b>   ((uint8_t)0x03)</td></tr>
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#define </td><td class="memItemRight" valign="bottom"><b>IWDG_Prescaler_64</b>   ((uint8_t)0x04)</td></tr>
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<tr class="memitem:gaea6bf96c2fd5a6f3b9574e7898096641"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="gaea6bf96c2fd5a6f3b9574e7898096641"></a>
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#define </td><td class="memItemRight" valign="bottom"><b>IWDG_Prescaler_128</b>   ((uint8_t)0x05)</td></tr>
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<tr class="memitem:ga7d6e918748185639049644c970db2b43"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga7d6e918748185639049644c970db2b43"></a>
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#define </td><td class="memItemRight" valign="bottom"><b>IWDG_Prescaler_256</b>   ((uint8_t)0x06)</td></tr>
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<tr class="memitem:gab1e0695c1a22840d5be7c7fad283f4ba"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><b>IS_IWDG_PRESCALER</b>(PRESCALER)</td></tr>
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<tr class="memitem:gae20afcf399fad1534e79a8d30ea86c9c"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="gae20afcf399fad1534e79a8d30ea86c9c"></a>
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#define </td><td class="memItemRight" valign="bottom"><b>IWDG_FLAG_PVU</b>   ((uint16_t)0x0001)</td></tr>
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#define </td><td class="memItemRight" valign="bottom"><b>IWDG_FLAG_RVU</b>   ((uint16_t)0x0002)</td></tr>
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<tr class="memitem:ga5be9ae9ba267cf09a00523ef3e219293"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga5be9ae9ba267cf09a00523ef3e219293"></a>
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#define </td><td class="memItemRight" valign="bottom"><b>IS_IWDG_FLAG</b>(FLAG)   (((FLAG) == IWDG_FLAG_PVU) || ((FLAG) == IWDG_FLAG_RVU))</td></tr>
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<tr class="memitem:ga7c319e96bded8e3c38c6a42a1b335c68"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ga7c319e96bded8e3c38c6a42a1b335c68"></a>
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#define </td><td class="memItemRight" valign="bottom"><b>IS_IWDG_RELOAD</b>(RELOAD)   ((RELOAD) <= 0xFFF)</td></tr>
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</table><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:gae466681e5bdc11b353c508b89d75ca05"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___i_w_d_g.html#gae466681e5bdc11b353c508b89d75ca05">IWDG_WriteAccessCmd</a> (uint16_t IWDG_WriteAccess)</td></tr>
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<tr class="memdesc:gae466681e5bdc11b353c508b89d75ca05"><td class="mdescLeft"> </td><td class="mdescRight">Enables or disables write access to IWDG_PR and IWDG_RLR registers. <a href="group___i_w_d_g.html#gae466681e5bdc11b353c508b89d75ca05">More...</a><br /></td></tr>
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<tr class="separator:gae466681e5bdc11b353c508b89d75ca05"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga4fa7f1cd690533a35ad9e4729c0450a3"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___i_w_d_g.html#ga4fa7f1cd690533a35ad9e4729c0450a3">IWDG_SetPrescaler</a> (uint8_t IWDG_Prescaler)</td></tr>
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<tr class="memdesc:ga4fa7f1cd690533a35ad9e4729c0450a3"><td class="mdescLeft"> </td><td class="mdescRight">Sets IWDG Prescaler value. <a href="group___i_w_d_g.html#ga4fa7f1cd690533a35ad9e4729c0450a3">More...</a><br /></td></tr>
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<tr class="separator:ga4fa7f1cd690533a35ad9e4729c0450a3"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gae2a14752a0431f23cb80cebf202ac365"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___i_w_d_g.html#gae2a14752a0431f23cb80cebf202ac365">IWDG_SetReload</a> (uint16_t Reload)</td></tr>
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<tr class="memdesc:gae2a14752a0431f23cb80cebf202ac365"><td class="mdescLeft"> </td><td class="mdescRight">Sets IWDG Reload value. <a href="group___i_w_d_g.html#gae2a14752a0431f23cb80cebf202ac365">More...</a><br /></td></tr>
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<tr class="separator:gae2a14752a0431f23cb80cebf202ac365"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga7147ebabdc3fef97f532b171a4e70d49"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___i_w_d_g.html#ga7147ebabdc3fef97f532b171a4e70d49">IWDG_ReloadCounter</a> (void)</td></tr>
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<tr class="memdesc:ga7147ebabdc3fef97f532b171a4e70d49"><td class="mdescLeft"> </td><td class="mdescRight">Reloads IWDG counter with value defined in the reload register (write access to IWDG_PR and IWDG_RLR registers disabled). <a href="group___i_w_d_g.html#ga7147ebabdc3fef97f532b171a4e70d49">More...</a><br /></td></tr>
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<tr class="separator:ga7147ebabdc3fef97f532b171a4e70d49"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga479b2921c86f8c67b819f5c4bea6bdb6"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___i_w_d_g.html#ga479b2921c86f8c67b819f5c4bea6bdb6">IWDG_Enable</a> (void)</td></tr>
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<tr class="memdesc:ga479b2921c86f8c67b819f5c4bea6bdb6"><td class="mdescLeft"> </td><td class="mdescRight">Enables IWDG (write access to IWDG_PR and IWDG_RLR registers disabled). <a href="group___i_w_d_g.html#ga479b2921c86f8c67b819f5c4bea6bdb6">More...</a><br /></td></tr>
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<tr class="separator:ga479b2921c86f8c67b819f5c4bea6bdb6"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga37f050cfbedc0c15f9e0816c0b22011e"><td class="memItemLeft" align="right" valign="top">FlagStatus </td><td class="memItemRight" valign="bottom"><a class="el" href="group___i_w_d_g.html#ga37f050cfbedc0c15f9e0816c0b22011e">IWDG_GetFlagStatus</a> (uint16_t IWDG_FLAG)</td></tr>
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<tr class="memdesc:ga37f050cfbedc0c15f9e0816c0b22011e"><td class="mdescLeft"> </td><td class="mdescRight">Checks whether the specified IWDG flag is set or not. <a href="group___i_w_d_g.html#ga37f050cfbedc0c15f9e0816c0b22011e">More...</a><br /></td></tr>
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<tr class="separator:ga37f050cfbedc0c15f9e0816c0b22011e"><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 contains all the functions prototypes for the IWDG firmware library. </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 </dd></dl>
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<dl class="section attention"><dt>Attention</dt><dd></dd></dl>
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<h2><center>© COPYRIGHT 2014 STMicroelectronics</center></h2>
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<p>Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); You may not use this file except in compliance with the License. You may obtain a copy of the License at: </p><pre class="fragment"> http://www.st.com/software_license_agreement_liberty_v2
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</pre><p>Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. </p>
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