esp8266-std/ESP8266_RTOS_SDK/documents/html/group__SPI__Driver__APIs.html

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&#160;<span id="projectnumber">v1.4.0</span>
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<a href="#enum-members">Enumerations</a> &#124;
<a href="#func-members">Functions</a> </div>
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<div class="title">SPI Driver APIs<div class="ingroups"><a class="el" href="group__Driver__APIs.html">Driver APIs</a></div></div> </div>
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<p>SPI Flash APIs.
<a href="#details">More...</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="nested-classes"></a>
Data Structures</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structSpiFlashChip.html">SpiFlashChip</a></td></tr>
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Macros</h2></td></tr>
<tr class="memitem:ga518257817c69fec25290c1bebad544b0"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__SPI__Driver__APIs.html#ga518257817c69fec25290c1bebad544b0">SPI_FLASH_SEC_SIZE</a>&#160;&#160;&#160;4096</td></tr>
<tr class="separator:ga518257817c69fec25290c1bebad544b0"><td class="memSeparator" colspan="2">&#160;</td></tr>
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Typedefs</h2></td></tr>
<tr class="memitem:gacda8d0eb9ddb859ea21726108d825f17"><td class="memItemLeft" align="right" valign="top">typedef <a class="el" href="group__SPI__Driver__APIs.html#ga7546515bb162fd2bb252ebe20fd92dbe">SpiFlashOpResult</a>(*&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__SPI__Driver__APIs.html#gacda8d0eb9ddb859ea21726108d825f17">user_spi_flash_read</a>) (<a class="el" href="structSpiFlashChip.html">SpiFlashChip</a> *spi, uint32 src_addr, uint32 *des_addr, uint32 size)</td></tr>
<tr class="memdesc:gacda8d0eb9ddb859ea21726108d825f17"><td class="mdescLeft">&#160;</td><td class="mdescRight">Registered function for spi_flash_set_read_func. <a href="#gacda8d0eb9ddb859ea21726108d825f17">More...</a><br /></td></tr>
<tr class="separator:gacda8d0eb9ddb859ea21726108d825f17"><td class="memSeparator" colspan="2">&#160;</td></tr>
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Enumerations</h2></td></tr>
<tr class="memitem:ga7546515bb162fd2bb252ebe20fd92dbe"><td class="memItemLeft" align="right" valign="top">enum &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__SPI__Driver__APIs.html#ga7546515bb162fd2bb252ebe20fd92dbe">SpiFlashOpResult</a> { <a class="el" href="group__SPI__Driver__APIs.html#gga7546515bb162fd2bb252ebe20fd92dbea8c0e5ba08fbb8fbe8f5f1a6eac6e01cc">SPI_FLASH_RESULT_OK</a>,
<a class="el" href="group__SPI__Driver__APIs.html#gga7546515bb162fd2bb252ebe20fd92dbea6a7e104b6106ddf6a7fa6e2fbe93edca">SPI_FLASH_RESULT_ERR</a>,
<a class="el" href="group__SPI__Driver__APIs.html#gga7546515bb162fd2bb252ebe20fd92dbea266272773eeee7e649575a8ad4f5d119">SPI_FLASH_RESULT_TIMEOUT</a>
}<tr class="separator:ga7546515bb162fd2bb252ebe20fd92dbe"><td class="memSeparator" colspan="2">&#160;</td></tr>
</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:ga9ffc628fbfc74b51a78ed0a03c3f8dd0"><td class="memItemLeft" align="right" valign="top">uint32&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__SPI__Driver__APIs.html#ga9ffc628fbfc74b51a78ed0a03c3f8dd0">spi_flash_get_id</a> (void)</td></tr>
<tr class="memdesc:ga9ffc628fbfc74b51a78ed0a03c3f8dd0"><td class="mdescLeft">&#160;</td><td class="mdescRight">Get ID info of SPI Flash. <a href="#ga9ffc628fbfc74b51a78ed0a03c3f8dd0">More...</a><br /></td></tr>
<tr class="separator:ga9ffc628fbfc74b51a78ed0a03c3f8dd0"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga8bd9176a0db21f8a04c0ab8792b74fec"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__SPI__Driver__APIs.html#ga7546515bb162fd2bb252ebe20fd92dbe">SpiFlashOpResult</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__SPI__Driver__APIs.html#ga8bd9176a0db21f8a04c0ab8792b74fec">spi_flash_read_status</a> (uint32 *status)</td></tr>
<tr class="memdesc:ga8bd9176a0db21f8a04c0ab8792b74fec"><td class="mdescLeft">&#160;</td><td class="mdescRight">Read state register of SPI Flash. <a href="#ga8bd9176a0db21f8a04c0ab8792b74fec">More...</a><br /></td></tr>
<tr class="separator:ga8bd9176a0db21f8a04c0ab8792b74fec"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga0e1358b06ac94b1e94c6aec83d034c56"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__SPI__Driver__APIs.html#ga7546515bb162fd2bb252ebe20fd92dbe">SpiFlashOpResult</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__SPI__Driver__APIs.html#ga0e1358b06ac94b1e94c6aec83d034c56">spi_flash_write_status</a> (uint32 status_value)</td></tr>
<tr class="memdesc:ga0e1358b06ac94b1e94c6aec83d034c56"><td class="mdescLeft">&#160;</td><td class="mdescRight">Write state register of SPI Flash. <a href="#ga0e1358b06ac94b1e94c6aec83d034c56">More...</a><br /></td></tr>
<tr class="separator:ga0e1358b06ac94b1e94c6aec83d034c56"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga3210ddd52247977cff3d018bf34f9048"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__SPI__Driver__APIs.html#ga7546515bb162fd2bb252ebe20fd92dbe">SpiFlashOpResult</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__SPI__Driver__APIs.html#ga3210ddd52247977cff3d018bf34f9048">spi_flash_erase_sector</a> (uint16 sec)</td></tr>
<tr class="memdesc:ga3210ddd52247977cff3d018bf34f9048"><td class="mdescLeft">&#160;</td><td class="mdescRight">Erase the Flash sector. <a href="#ga3210ddd52247977cff3d018bf34f9048">More...</a><br /></td></tr>
<tr class="separator:ga3210ddd52247977cff3d018bf34f9048"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga97906813255238cdb0da4d21040abf90"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__SPI__Driver__APIs.html#ga7546515bb162fd2bb252ebe20fd92dbe">SpiFlashOpResult</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__SPI__Driver__APIs.html#ga97906813255238cdb0da4d21040abf90">spi_flash_write</a> (uint32 des_addr, uint32 *src_addr, uint32 size)</td></tr>
<tr class="memdesc:ga97906813255238cdb0da4d21040abf90"><td class="mdescLeft">&#160;</td><td class="mdescRight">Write data to Flash. <a href="#ga97906813255238cdb0da4d21040abf90">More...</a><br /></td></tr>
<tr class="separator:ga97906813255238cdb0da4d21040abf90"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gacfd871ce143884d5c3dfb456024b0096"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__SPI__Driver__APIs.html#ga7546515bb162fd2bb252ebe20fd92dbe">SpiFlashOpResult</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__SPI__Driver__APIs.html#gacfd871ce143884d5c3dfb456024b0096">spi_flash_read</a> (uint32 src_addr, uint32 *des_addr, uint32 size)</td></tr>
<tr class="memdesc:gacfd871ce143884d5c3dfb456024b0096"><td class="mdescLeft">&#160;</td><td class="mdescRight">Read data from Flash. <a href="#gacfd871ce143884d5c3dfb456024b0096">More...</a><br /></td></tr>
<tr class="separator:gacfd871ce143884d5c3dfb456024b0096"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga826a3caeec9fd019d6a30c3113d1547e"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__SPI__Driver__APIs.html#ga826a3caeec9fd019d6a30c3113d1547e">spi_flash_set_read_func</a> (<a class="el" href="group__SPI__Driver__APIs.html#gacda8d0eb9ddb859ea21726108d825f17">user_spi_flash_read</a> read)</td></tr>
<tr class="memdesc:ga826a3caeec9fd019d6a30c3113d1547e"><td class="mdescLeft">&#160;</td><td class="mdescRight">Register user-define SPI flash read API. <a href="#ga826a3caeec9fd019d6a30c3113d1547e">More...</a><br /></td></tr>
<tr class="separator:ga826a3caeec9fd019d6a30c3113d1547e"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<p>SPI Flash APIs. </p>
<h2 class="groupheader">Macro Definition Documentation</h2>
<a class="anchor" id="ga518257817c69fec25290c1bebad544b0"></a>
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<td class="memname">#define SPI_FLASH_SEC_SIZE&#160;&#160;&#160;4096</td>
</tr>
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</div><div class="memdoc">
<p>SPI Flash sector size </p>
</div>
</div>
<h2 class="groupheader">Typedef Documentation</h2>
<a class="anchor" id="gacda8d0eb9ddb859ea21726108d825f17"></a>
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<td class="memname">typedef <a class="el" href="group__SPI__Driver__APIs.html#ga7546515bb162fd2bb252ebe20fd92dbe">SpiFlashOpResult</a>(* user_spi_flash_read) (<a class="el" href="structSpiFlashChip.html">SpiFlashChip</a> *spi, uint32 src_addr, uint32 *des_addr, uint32 size)</td>
</tr>
</table>
</div><div class="memdoc">
<p>Registered function for spi_flash_set_read_func. </p>
<dl class="section attention"><dt>Attention</dt><dd>used for sdk internal, don't need to care about params</dd></dl>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname"><a class="el" href="structSpiFlashChip.html">SpiFlashChip</a></td><td>*spi : spi flash struct pointer. </td></tr>
<tr><td class="paramname">uint32</td><td>src_addr : source address of the data. </td></tr>
<tr><td class="paramname">uint32</td><td>*des_addr : destination address in Flash. </td></tr>
<tr><td class="paramname">uint32</td><td>size : length of data</td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>SpiFlashOpResult </dd></dl>
</div>
</div>
<h2 class="groupheader">Enumeration Type Documentation</h2>
<a class="anchor" id="ga7546515bb162fd2bb252ebe20fd92dbe"></a>
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<div class="memproto">
<table class="memname">
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<td class="memname">enum <a class="el" href="group__SPI__Driver__APIs.html#ga7546515bb162fd2bb252ebe20fd92dbe">SpiFlashOpResult</a></td>
</tr>
</table>
</div><div class="memdoc">
<table class="fieldtable">
<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a class="anchor" id="gga7546515bb162fd2bb252ebe20fd92dbea8c0e5ba08fbb8fbe8f5f1a6eac6e01cc"></a>SPI_FLASH_RESULT_OK&#160;</td><td class="fielddoc">
<p>SPI Flash operating OK </p>
</td></tr>
<tr><td class="fieldname"><a class="anchor" id="gga7546515bb162fd2bb252ebe20fd92dbea6a7e104b6106ddf6a7fa6e2fbe93edca"></a>SPI_FLASH_RESULT_ERR&#160;</td><td class="fielddoc">
<p>SPI Flash operating fail </p>
</td></tr>
<tr><td class="fieldname"><a class="anchor" id="gga7546515bb162fd2bb252ebe20fd92dbea266272773eeee7e649575a8ad4f5d119"></a>SPI_FLASH_RESULT_TIMEOUT&#160;</td><td class="fielddoc">
<p>SPI Flash operating time out </p>
</td></tr>
</table>
</div>
</div>
<h2 class="groupheader">Function Documentation</h2>
<a class="anchor" id="ga3210ddd52247977cff3d018bf34f9048"></a>
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<td class="memname"><a class="el" href="group__SPI__Driver__APIs.html#ga7546515bb162fd2bb252ebe20fd92dbe">SpiFlashOpResult</a> spi_flash_erase_sector </td>
<td>(</td>
<td class="paramtype">uint16&#160;</td>
<td class="paramname"><em>sec</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Erase the Flash sector. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">uint16</td><td>sec : Sector number, the count starts at sector 0, 4KB per sector.</td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>SpiFlashOpResult </dd></dl>
</div>
</div>
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<td class="memname">uint32 spi_flash_get_id </td>
<td>(</td>
<td class="paramtype">void&#160;</td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Get ID info of SPI Flash. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">null</td><td></td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>SPI Flash ID </dd></dl>
</div>
</div>
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<td class="memname"><a class="el" href="group__SPI__Driver__APIs.html#ga7546515bb162fd2bb252ebe20fd92dbe">SpiFlashOpResult</a> spi_flash_read </td>
<td>(</td>
<td class="paramtype">uint32&#160;</td>
<td class="paramname"><em>src_addr</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint32 *&#160;</td>
<td class="paramname"><em>des_addr</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint32&#160;</td>
<td class="paramname"><em>size</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
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<p>Read data from Flash. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">uint32</td><td>src_addr : source address of the data. </td></tr>
<tr><td class="paramname">uint32</td><td>*des_addr : destination address in Flash. </td></tr>
<tr><td class="paramname">uint32</td><td>size : length of data</td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>SpiFlashOpResult </dd></dl>
</div>
</div>
<a class="anchor" id="ga8bd9176a0db21f8a04c0ab8792b74fec"></a>
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<td class="memname"><a class="el" href="group__SPI__Driver__APIs.html#ga7546515bb162fd2bb252ebe20fd92dbe">SpiFlashOpResult</a> spi_flash_read_status </td>
<td>(</td>
<td class="paramtype">uint32 *&#160;</td>
<td class="paramname"><em>status</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Read state register of SPI Flash. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">uint32</td><td>*status : the read value (pointer) of state register.</td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>SpiFlashOpResult </dd></dl>
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</div>
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<td class="memname">void spi_flash_set_read_func </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group__SPI__Driver__APIs.html#gacda8d0eb9ddb859ea21726108d825f17">user_spi_flash_read</a>&#160;</td>
<td class="paramname"><em>read</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Register user-define SPI flash read API. </p>
<dl class="section attention"><dt>Attention</dt><dd>This API can be only used in SPI overlap mode, please refer to ESP8266_RTOS_SDK .c</dd></dl>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">user_spi_flash_read</td><td>read : user-define SPI flash read API .</td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>none </dd></dl>
</div>
</div>
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<td class="memname"><a class="el" href="group__SPI__Driver__APIs.html#ga7546515bb162fd2bb252ebe20fd92dbe">SpiFlashOpResult</a> spi_flash_write </td>
<td>(</td>
<td class="paramtype">uint32&#160;</td>
<td class="paramname"><em>des_addr</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint32 *&#160;</td>
<td class="paramname"><em>src_addr</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint32&#160;</td>
<td class="paramname"><em>size</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Write data to Flash. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">uint32</td><td>des_addr : destination address in Flash. </td></tr>
<tr><td class="paramname">uint32</td><td>*src_addr : source address of the data. </td></tr>
<tr><td class="paramname">uint32</td><td>size : length of data</td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>SpiFlashOpResult </dd></dl>
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<td class="memname"><a class="el" href="group__SPI__Driver__APIs.html#ga7546515bb162fd2bb252ebe20fd92dbe">SpiFlashOpResult</a> spi_flash_write_status </td>
<td>(</td>
<td class="paramtype">uint32&#160;</td>
<td class="paramname"><em>status_value</em></td><td>)</td>
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<p>Write state register of SPI Flash. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">uint32</td><td>status_value : Write state register value.</td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>SpiFlashOpResult </dd></dl>
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