1<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 2<html xmlns="http://www.w3.org/1999/xhtml"> 3<head> 4<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> 5<meta http-equiv="X-UA-Compatible" content="IE=9"/> 6<meta name="generator" content="Doxygen 1.8.13"/> 7<meta name="viewport" content="width=device-width, initial-scale=1"/> 8<title>ISSDK: sensors/mma8491q_drv.h File Reference</title> 9<link href="tabs.css" rel="stylesheet" type="text/css"/> 10<script type="text/javascript" src="jquery.js"></script> 11<script type="text/javascript" src="dynsections.js"></script> 12<link href="issdk_stylesheet.css" rel="stylesheet" type="text/css" /> 13</head> 14<body> 15<div id="top"><!-- do not remove this div, it is closed by doxygen! --> 16<div id="titlearea"> 17<table cellspacing="0" cellpadding="0"> 18 <tbody> 19 <tr style="height: 56px;"> 20 <td id="projectlogo"><img alt="Logo" src="nxp_logo_small.png"/></td> 21 <td id="projectalign" style="padding-left: 0.5em;"> 22 <div id="projectname">ISSDK 23  <span id="projectnumber">1.8</span> 24 </div> 25 <div id="projectbrief">IoT Sensing Software Development Kit</div> 26 </td> 27 </tr> 28 </tbody> 29</table> 30</div> 31<!-- end header part --> 32<!-- Generated by Doxygen 1.8.13 --> 33<script type="text/javascript" src="menudata.js"></script> 34<script type="text/javascript" src="menu.js"></script> 35<script type="text/javascript"> 36$(function() { 37 initMenu('',false,false,'search.php','Search'); 38}); 39</script> 40<div id="main-nav"></div> 41<div id="nav-path" class="navpath"> 42 <ul> 43<li class="navelem"><a class="el" href="dir_c77a8e2546a9c75bbba96be2ef542c8e.html">sensors</a></li> </ul> 44</div> 45</div><!-- top --> 46<div class="header"> 47 <div class="summary"> 48<a href="#nested-classes">Data Structures</a> | 49<a href="#define-members">Macros</a> | 50<a href="#enum-members">Enumerations</a> | 51<a href="#func-members">Functions</a> </div> 52 <div class="headertitle"> 53<div class="title">mma8491q_drv.h File Reference</div> </div> 54</div><!--header--> 55<div class="contents"> 56 57<p>The <a class="el" href="a00137.html" title="The mma8491q_drv.h file describes the MMA8491Q driver interface and structures. ">mma8491q_drv.h</a> file describes the MMA8491Q driver interface and structures. 58<a href="#details">More...</a></p> 59<div class="textblock"><code>#include <stdint.h></code><br /> 60<code>#include "<a class="el" href="a00131_source.html">mma8491q.h</a>"</code><br /> 61<code>#include "<a class="el" href="a00185_source.html">sensor_io_i2c.h</a>"</code><br /> 62<code>#include "<a class="el" href="a00170_source.html">register_io_i2c.h</a>"</code><br /> 63</div><div class="textblock"><div class="dynheader"> 64Include dependency graph for mma8491q_drv.h:</div> 65<div class="dyncontent"> 66<div class="center"><img src="a00138.png" border="0" usemap="#sensors_2mma8491q__drv_8h" alt=""/></div> 67<map name="sensors_2mma8491q__drv_8h" id="sensors_2mma8491q__drv_8h"> 68<area shape="rect" id="node3" href="a00131.html" title="mma8491q.h" alt="" coords="27,80,124,107"/> 69<area shape="rect" id="node4" href="a00185.html" title="The sensor_io_i2c.h file declares low-level interface functions for reading and writing sensor regist..." alt="" coords="148,80,261,107"/> 70<area shape="rect" id="node5" href="a00170.html" title="The register_io_i2c.h file declares low-level interface functions for reading and writing sensor regi..." alt="" coords="193,155,310,181"/> 71</map> 72</div> 73</div><div class="textblock"><div class="dynheader"> 74This graph shows which files directly or indirectly include this file:</div> 75<div class="dyncontent"> 76<div class="center"><img src="a00139.png" border="0" usemap="#sensors_2mma8491q__drv_8hdep" alt=""/></div> 77<map name="sensors_2mma8491q__drv_8hdep" id="sensors_2mma8491q__drv_8hdep"> 78<area shape="rect" id="node2" href="a00134.html" title="The mma8491q_drv.c file implements the MMA8491 sensor driver interfaces. " alt="" coords="5,87,176,114"/> 79<area shape="rect" id="node3" href="a00281.html" title="The mma8491q_example.c file implements the ISSDK MMA8491Q sensor driver example demonstration with Ti..." alt="" coords="200,80,376,121"/> 80<area shape="rect" id="node4" href="a00452.html" title="The mma8491q_demo.c file implements the ISSDK MMA8491Q sensor driver demo demonstration with polling ..." alt="" coords="401,80,551,121"/> 81</map> 82</div> 83</div> 84<p><a href="a00137_source.html">Go to the source code of this file.</a></p> 85<table class="memberdecls"> 86<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="nested-classes"></a> 87Data Structures</h2></td></tr> 88<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="a03371.html">mma8491q_i2c_sensorhandle_t</a></td></tr> 89<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">This defines the function pointers and sensor specific information. <a href="a03371.html#details">More...</a><br /></td></tr> 90<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr> 91<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="a03375.html">mma8491q_acceldata_t</a></td></tr> 92<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">This structure defines the mma8491q data buffer. <a href="a03375.html#details">More...</a><br /></td></tr> 93<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr> 94<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="a03379.html">mma8491q_context_t</a></td></tr> 95<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">This structure stores the Sensor's context parameters. <a href="a03379.html#details">More...</a><br /></td></tr> 96<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr> 97</table><table class="memberdecls"> 98<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="define-members"></a> 99Macros</h2></td></tr> 100<tr class="memitem:a7c45ef0e9f84d3099d7635ee900b8771"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="a00137.html#a7c45ef0e9f84d3099d7635ee900b8771">MMA8491Q_DATA_SIZE</a>   (6) /* 2 <a class="el" href="a00914.html#a0c8186d9b9b7880309c27230bbb5e69d">byte</a> X,Y,Z Axis Data each. */</td></tr> 101<tr class="separator:a7c45ef0e9f84d3099d7635ee900b8771"><td class="memSeparator" colspan="2"> </td></tr> 102</table><table class="memberdecls"> 103<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="enum-members"></a> 104Enumerations</h2></td></tr> 105<tr class="memitem:aca66878d7430c9c83a4dd358effa7087"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom">{ <a class="el" href="a00137.html#aca66878d7430c9c83a4dd358effa7087ab6217fa4ba5a62ff60bd78defd7495b4">SENSOR_MODE_SHUTDOWN</a>, 106<a class="el" href="a00137.html#aca66878d7430c9c83a4dd358effa7087ab4f1c6092a1ace7ba85e99273f3ae078">SENSOR_MODE_ACTIVE</a>, 107<a class="el" href="a00137.html#aca66878d7430c9c83a4dd358effa7087acf56bdab52bb241edc3693b6d4aac567">SENSOR_MODE_STANDBY</a> 108 }<tr class="memdesc:aca66878d7430c9c83a4dd358effa7087"><td class="mdescLeft"> </td><td class="mdescRight">This enum lists the MMA8491Q operating Modes. <a href="a00137.html#aca66878d7430c9c83a4dd358effa7087">More...</a><br /></td></tr> 109</td></tr> 110<tr class="separator:aca66878d7430c9c83a4dd358effa7087"><td class="memSeparator" colspan="2"> </td></tr> 111</table><table class="memberdecls"> 112<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a> 113Functions</h2></td></tr> 114<tr class="memitem:a139416bfb5a05d907f47700d0dfa73bd"><td class="memItemLeft" align="right" valign="top"><a class="el" href="a00521.html#a5d7069350a7d7e65686c77a8038f462f">int32_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00137.html#a139416bfb5a05d907f47700d0dfa73bd">MMA8491Q_I2C_Initialize</a> (<a class="el" href="a03371.html">mma8491q_i2c_sensorhandle_t</a> *pSensorHandle, ARM_DRIVER_I2C *pBus, uint8_t index, uint16_t sAddress)</td></tr> 115<tr class="memdesc:a139416bfb5a05d907f47700d0dfa73bd"><td class="mdescLeft"> </td><td class="mdescRight">The interface function to initialize the sensor. <a href="#a139416bfb5a05d907f47700d0dfa73bd">More...</a><br /></td></tr> 116<tr class="separator:a139416bfb5a05d907f47700d0dfa73bd"><td class="memSeparator" colspan="2"> </td></tr> 117<tr class="memitem:a18f7cb777662c0ce9b0252c1a6ccb09c"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00137.html#a18f7cb777662c0ce9b0252c1a6ccb09c">MMA8491Q_I2C_SetIdleTask</a> (<a class="el" href="a03371.html">mma8491q_i2c_sensorhandle_t</a> *pSensorHandle, <a class="el" href="a00179.html#a5deff6bd688b60b97b84fc7e78d3ea63">registeridlefunction_t</a> idleTask, void *userParam)</td></tr> 118<tr class="memdesc:a18f7cb777662c0ce9b0252c1a6ccb09c"><td class="mdescLeft"> </td><td class="mdescRight">: The interface function to set the I2C Idle Task. <a href="#a18f7cb777662c0ce9b0252c1a6ccb09c">More...</a><br /></td></tr> 119<tr class="separator:a18f7cb777662c0ce9b0252c1a6ccb09c"><td class="memSeparator" colspan="2"> </td></tr> 120<tr class="memitem:ab6916f6933917650277444810e237473"><td class="memItemLeft" align="right" valign="top"><a class="el" href="a00521.html#a5d7069350a7d7e65686c77a8038f462f">int32_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00137.html#ab6916f6933917650277444810e237473">MMA8491Q_I2C_ReadData</a> (<a class="el" href="a03371.html">mma8491q_i2c_sensorhandle_t</a> *pSensorHandle, const <a class="el" href="a03811.html">registerreadlist_t</a> *pReadList, uint8_t *pBuffer)</td></tr> 121<tr class="memdesc:ab6916f6933917650277444810e237473"><td class="mdescLeft"> </td><td class="mdescRight">The interface function to read the sensor data. <a href="#ab6916f6933917650277444810e237473">More...</a><br /></td></tr> 122<tr class="separator:ab6916f6933917650277444810e237473"><td class="memSeparator" colspan="2"> </td></tr> 123</table> 124<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> 125<div class="textblock"><p>The <a class="el" href="a00137.html" title="The mma8491q_drv.h file describes the MMA8491Q driver interface and structures. ">mma8491q_drv.h</a> file describes the MMA8491Q driver interface and structures. </p> 126 127<p class="definition">Definition in file <a class="el" href="a00137_source.html">mma8491q_drv.h</a>.</p> 128</div><h2 class="groupheader">Macro Definition Documentation</h2> 129<a id="a7c45ef0e9f84d3099d7635ee900b8771"></a> 130<h2 class="memtitle"><span class="permalink"><a href="#a7c45ef0e9f84d3099d7635ee900b8771">◆ </a></span>MMA8491Q_DATA_SIZE</h2> 131 132<div class="memitem"> 133<div class="memproto"> 134 <table class="memname"> 135 <tr> 136 <td class="memname">#define MMA8491Q_DATA_SIZE   (6) /* 2 <a class="el" href="a00914.html#a0c8186d9b9b7880309c27230bbb5e69d">byte</a> X,Y,Z Axis Data each. */</td> 137 </tr> 138 </table> 139</div><div class="memdoc"> 140 141<p class="definition">Definition at line <a class="el" href="a00137_source.html#l00063">63</a> of file <a class="el" href="a00137_source.html">mma8491q_drv.h</a>.</p> 142 143<p class="reference">Referenced by <a class="el" href="a00452_source.html#l00204">main()</a>.</p> 144 145</div> 146</div> 147<h2 class="groupheader">Enumeration Type Documentation</h2> 148<a id="aca66878d7430c9c83a4dd358effa7087"></a> 149<h2 class="memtitle"><span class="permalink"><a href="#aca66878d7430c9c83a4dd358effa7087">◆ </a></span>anonymous enum</h2> 150 151<div class="memitem"> 152<div class="memproto"> 153 <table class="memname"> 154 <tr> 155 <td class="memname">anonymous enum</td> 156 </tr> 157 </table> 158</div><div class="memdoc"> 159 160<p>This enum lists the MMA8491Q operating Modes. </p> 161<table class="fieldtable"> 162<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a id="aca66878d7430c9c83a4dd358effa7087ab6217fa4ba5a62ff60bd78defd7495b4"></a>SENSOR_MODE_SHUTDOWN </td><td class="fielddoc"></td></tr> 163<tr><td class="fieldname"><a id="aca66878d7430c9c83a4dd358effa7087ab4f1c6092a1ace7ba85e99273f3ae078"></a>SENSOR_MODE_ACTIVE </td><td class="fielddoc"></td></tr> 164<tr><td class="fieldname"><a id="aca66878d7430c9c83a4dd358effa7087acf56bdab52bb241edc3693b6d4aac567"></a>SENSOR_MODE_STANDBY </td><td class="fielddoc"></td></tr> 165</table> 166 167<p class="definition">Definition at line <a class="el" href="a00137_source.html#l00056">56</a> of file <a class="el" href="a00137_source.html">mma8491q_drv.h</a>.</p> 168 169</div> 170</div> 171<h2 class="groupheader">Function Documentation</h2> 172<a id="a139416bfb5a05d907f47700d0dfa73bd"></a> 173<h2 class="memtitle"><span class="permalink"><a href="#a139416bfb5a05d907f47700d0dfa73bd">◆ </a></span>MMA8491Q_I2C_Initialize()</h2> 174 175<div class="memitem"> 176<div class="memproto"> 177 <table class="memname"> 178 <tr> 179 <td class="memname"><a class="el" href="a00521.html#a5d7069350a7d7e65686c77a8038f462f">int32_t</a> MMA8491Q_I2C_Initialize </td> 180 <td>(</td> 181 <td class="paramtype"><a class="el" href="a03371.html">mma8491q_i2c_sensorhandle_t</a> * </td> 182 <td class="paramname"><em>pSensorHandle</em>, </td> 183 </tr> 184 <tr> 185 <td class="paramkey"></td> 186 <td></td> 187 <td class="paramtype">ARM_DRIVER_I2C * </td> 188 <td class="paramname"><em>pBus</em>, </td> 189 </tr> 190 <tr> 191 <td class="paramkey"></td> 192 <td></td> 193 <td class="paramtype">uint8_t </td> 194 <td class="paramname"><em>index</em>, </td> 195 </tr> 196 <tr> 197 <td class="paramkey"></td> 198 <td></td> 199 <td class="paramtype">uint16_t </td> 200 <td class="paramname"><em>sAddress</em> </td> 201 </tr> 202 <tr> 203 <td></td> 204 <td>)</td> 205 <td></td><td></td> 206 </tr> 207 </table> 208</div><div class="memdoc"> 209 210<p>The interface function to initialize the sensor. </p> 211<p>This function initialize the sensor and sensor handle. </p><dl class="params"><dt>Parameters</dt><dd> 212 <table class="params"> 213 <tr><td class="paramdir">[in]</td><td class="paramname">pSensorHandle</td><td>handle to the sensor. </td></tr> 214 <tr><td class="paramdir">[in]</td><td class="paramname">pBus</td><td>pointer to the CMSIS API compatible I2C bus object. </td></tr> 215 <tr><td class="paramdir">[in]</td><td class="paramname">index</td><td>the I2C device number. </td></tr> 216 <tr><td class="paramdir">[in]</td><td class="paramname">sAddress</td><td>slave address of the device on the bus. </td></tr> 217 <tr><td class="paramdir">[in]</td><td class="paramname">whoami</td><td>WHO_AM_I value of the device. </td></tr> 218 </table> 219 </dd> 220</dl> 221<dl class="section user"><dt>Constraints:</dt><dd>This should be the first API to be called. Application has to ensure that previous instances of these APIs have exited before invocation. No </dd></dl> 222<dl class="section return"><dt>Returns</dt><dd><a class="el" href="a00137.html#a139416bfb5a05d907f47700d0dfa73bd" title="The interface function to initialize the sensor. ">MMA8491Q_I2C_Initialize()</a> returns the status. </dd></dl> 223<p>Check the input parameters.</p> 224<p>Initialize the sensor handle. </p> 225 226<p class="definition">Definition at line <a class="el" href="a00134_source.html#l00022">22</a> of file <a class="el" href="a00134_source.html">mma8491q_drv.c</a>.</p> 227 228<p class="reference">References <a class="el" href="a00137_source.html#l00031">mma8491q_i2c_sensorhandle_t::deviceInfo</a>, <a class="el" href="a00179_source.html#l00106">registerDeviceInfo_t::deviceInstance</a>, <a class="el" href="a00179_source.html#l00105">registerDeviceInfo_t::functionParam</a>, <a class="el" href="a00179_source.html#l00104">registerDeviceInfo_t::idleFunction</a>, <a class="el" href="a00521.html#a5d7069350a7d7e65686c77a8038f462f">int32_t()</a>, <a class="el" href="a00137_source.html#l00033">mma8491q_i2c_sensorhandle_t::isInitialized</a>, <a class="el" href="a00131_source.html#l00017">MMA8491Q_STATUS</a>, <a class="el" href="a00131_source.html#l00070">MMA8491Q_STATUS_RESERVED_MASK</a>, <a class="el" href="a00131_source.html#l00089">MMA8491Q_STATUS_RESERVED_ZERO</a>, <a class="el" href="a00137_source.html#l00032">mma8491q_i2c_sensorhandle_t::pCommDrv</a>, <a class="el" href="a00167_source.html#l00310">Register_I2C_Read()</a>, <a class="el" href="a00179_source.html#l00036">SENSOR_ERROR_INIT</a>, <a class="el" href="a00179_source.html#l00034">SENSOR_ERROR_INVALID_PARAM</a>, <a class="el" href="a00179_source.html#l00033">SENSOR_ERROR_NONE</a>, <a class="el" href="a00137_source.html#l00034">mma8491q_i2c_sensorhandle_t::slaveAddress</a>, <a class="el" href="a00359_source.html#l00248">status</a>, and <a class="el" href="a00131_source.html#l00052">MMA8491Q_STATUS_t::w</a>.</p> 229 230<p class="reference">Referenced by <a class="el" href="a00452_source.html#l00204">main()</a>.</p> 231<div class="dynheader"> 232Here is the call graph for this function:</div> 233<div class="dyncontent"> 234<div class="center"><img src="a00137_a139416bfb5a05d907f47700d0dfa73bd_cgraph.png" border="0" usemap="#a00137_a139416bfb5a05d907f47700d0dfa73bd_cgraph" alt=""/></div> 235<map name="a00137_a139416bfb5a05d907f47700d0dfa73bd_cgraph" id="a00137_a139416bfb5a05d907f47700d0dfa73bd_cgraph"> 236<area shape="rect" id="node2" href="a00521.html#a5d7069350a7d7e65686c77a8038f462f" title="The interface function to append the data on the formated stream. " alt="" coords="405,5,467,32"/> 237<area shape="rect" id="node3" href="a00167.html#ac8a60c799d9dbc84531b4680762eb8dc" title="The interface function to read a sensor register. " alt="" coords="224,31,357,57"/> 238</map> 239</div> 240<div class="dynheader"> 241Here is the caller graph for this function:</div> 242<div class="dyncontent"> 243<div class="center"><img src="a00137_a139416bfb5a05d907f47700d0dfa73bd_icgraph.png" border="0" usemap="#a00137_a139416bfb5a05d907f47700d0dfa73bd_icgraph" alt=""/></div> 244<map name="a00137_a139416bfb5a05d907f47700d0dfa73bd_icgraph" id="a00137_a139416bfb5a05d907f47700d0dfa73bd_icgraph"> 245<area shape="rect" id="node2" href="a00452.html#a840291bc02cba5474a4cb46a9b9566fe" title="Main function. " alt="" coords="224,5,275,32"/> 246</map> 247</div> 248 249</div> 250</div> 251<a id="ab6916f6933917650277444810e237473"></a> 252<h2 class="memtitle"><span class="permalink"><a href="#ab6916f6933917650277444810e237473">◆ </a></span>MMA8491Q_I2C_ReadData()</h2> 253 254<div class="memitem"> 255<div class="memproto"> 256 <table class="memname"> 257 <tr> 258 <td class="memname"><a class="el" href="a00521.html#a5d7069350a7d7e65686c77a8038f462f">int32_t</a> MMA8491Q_I2C_ReadData </td> 259 <td>(</td> 260 <td class="paramtype"><a class="el" href="a03371.html">mma8491q_i2c_sensorhandle_t</a> * </td> 261 <td class="paramname"><em>pSensorHandle</em>, </td> 262 </tr> 263 <tr> 264 <td class="paramkey"></td> 265 <td></td> 266 <td class="paramtype">const <a class="el" href="a03811.html">registerreadlist_t</a> * </td> 267 <td class="paramname"><em>pReadList</em>, </td> 268 </tr> 269 <tr> 270 <td class="paramkey"></td> 271 <td></td> 272 <td class="paramtype">uint8_t * </td> 273 <td class="paramname"><em>pBuffer</em> </td> 274 </tr> 275 <tr> 276 <td></td> 277 <td>)</td> 278 <td></td><td></td> 279 </tr> 280 </table> 281</div><div class="memdoc"> 282 283<p>The interface function to read the sensor data. </p> 284<p>This function read the sensor data out from the device and returns raw data in a byte stream. </p><dl class="params"><dt>Parameters</dt><dd> 285 <table class="params"> 286 <tr><td class="paramdir">[in]</td><td class="paramname">pSensorHandle</td><td>handle to the sensor. </td></tr> 287 <tr><td class="paramdir">[in]</td><td class="paramname">pReadList</td><td>pointer to the list of device registers and values to read. </td></tr> 288 <tr><td class="paramdir">[out]</td><td class="paramname">pBuffer</td><td>buffer which holds raw sensor data.This buffer may be back to back databuffer based command read in the list. </td></tr> 289 </table> 290 </dd> 291</dl> 292<dl class="section user"><dt>Constraints:</dt><dd>This can be called any number of times only after <a class="el" href="a00137.html#a139416bfb5a05d907f47700d0dfa73bd" title="The interface function to initialize the sensor. ">MMA8491Q_I2C_Initialize()</a>. Application has to ensure that previous instances of these APIs have exited before invocation. No </dd></dl> 293<dl class="section return"><dt>Returns</dt><dd><a class="el" href="a00137.html#ab6916f6933917650277444810e237473" title="The interface function to read the sensor data. ">MMA8491Q_I2C_ReadData()</a> returns the status . </dd></dl> 294<p>Validate for the correct handle and register read list.</p> 295<p>Check whether sensor handle is initialized before reading sensor data.</p> 296<p>Parse through the read list and read the data one by one. </p> 297 298<p class="definition">Definition at line <a class="el" href="a00134_source.html#l00064">64</a> of file <a class="el" href="a00134_source.html">mma8491q_drv.c</a>.</p> 299 300<p class="reference">References <a class="el" href="a00137_source.html#l00031">mma8491q_i2c_sensorhandle_t::deviceInfo</a>, <a class="el" href="a00521.html#a5d7069350a7d7e65686c77a8038f462f">int32_t()</a>, <a class="el" href="a00137_source.html#l00033">mma8491q_i2c_sensorhandle_t::isInitialized</a>, <a class="el" href="a00137_source.html#l00032">mma8491q_i2c_sensorhandle_t::pCommDrv</a>, <a class="el" href="a00179_source.html#l00036">SENSOR_ERROR_INIT</a>, <a class="el" href="a00179_source.html#l00034">SENSOR_ERROR_INVALID_PARAM</a>, <a class="el" href="a00179_source.html#l00033">SENSOR_ERROR_NONE</a>, <a class="el" href="a00179_source.html#l00038">SENSOR_ERROR_READ</a>, <a class="el" href="a00182_source.html#l00105">Sensor_I2C_Read()</a>, <a class="el" href="a00137_source.html#l00034">mma8491q_i2c_sensorhandle_t::slaveAddress</a>, and <a class="el" href="a00359_source.html#l00248">status</a>.</p> 301 302<p class="reference">Referenced by <a class="el" href="a00452_source.html#l00204">main()</a>.</p> 303<div class="dynheader"> 304Here is the call graph for this function:</div> 305<div class="dyncontent"> 306<div class="center"><img src="a00137_ab6916f6933917650277444810e237473_cgraph.png" border="0" usemap="#a00137_ab6916f6933917650277444810e237473_cgraph" alt=""/></div> 307<map name="a00137_ab6916f6933917650277444810e237473_cgraph" id="a00137_ab6916f6933917650277444810e237473_cgraph"> 308<area shape="rect" id="node2" href="a00521.html#a5d7069350a7d7e65686c77a8038f462f" title="The interface function to append the data on the formated stream. " alt="" coords="409,5,471,32"/> 309<area shape="rect" id="node3" href="a00182.html#aa75349faed7c77807cb88d9224aa2636" title="Read register data from a sensor. " alt="" coords="235,31,361,57"/> 310</map> 311</div> 312<div class="dynheader"> 313Here is the caller graph for this function:</div> 314<div class="dyncontent"> 315<div class="center"><img src="a00137_ab6916f6933917650277444810e237473_icgraph.png" border="0" usemap="#a00137_ab6916f6933917650277444810e237473_icgraph" alt=""/></div> 316<map name="a00137_ab6916f6933917650277444810e237473_icgraph" id="a00137_ab6916f6933917650277444810e237473_icgraph"> 317<area shape="rect" id="node2" href="a00452.html#a840291bc02cba5474a4cb46a9b9566fe" title="Main function. " alt="" coords="235,5,285,32"/> 318</map> 319</div> 320 321</div> 322</div> 323<a id="a18f7cb777662c0ce9b0252c1a6ccb09c"></a> 324<h2 class="memtitle"><span class="permalink"><a href="#a18f7cb777662c0ce9b0252c1a6ccb09c">◆ </a></span>MMA8491Q_I2C_SetIdleTask()</h2> 325 326<div class="memitem"> 327<div class="memproto"> 328 <table class="memname"> 329 <tr> 330 <td class="memname">void MMA8491Q_I2C_SetIdleTask </td> 331 <td>(</td> 332 <td class="paramtype"><a class="el" href="a03371.html">mma8491q_i2c_sensorhandle_t</a> * </td> 333 <td class="paramname"><em>pSensorHandle</em>, </td> 334 </tr> 335 <tr> 336 <td class="paramkey"></td> 337 <td></td> 338 <td class="paramtype"><a class="el" href="a00179.html#a5deff6bd688b60b97b84fc7e78d3ea63">registeridlefunction_t</a> </td> 339 <td class="paramname"><em>idleTask</em>, </td> 340 </tr> 341 <tr> 342 <td class="paramkey"></td> 343 <td></td> 344 <td class="paramtype">void * </td> 345 <td class="paramname"><em>userParam</em> </td> 346 </tr> 347 <tr> 348 <td></td> 349 <td>)</td> 350 <td></td><td></td> 351 </tr> 352 </table> 353</div><div class="memdoc"> 354 355<p>: The interface function to set the I2C Idle Task. </p> 356<dl class="params"><dt>Parameters</dt><dd> 357 <table class="params"> 358 <tr><td class="paramdir">[in]</td><td class="paramname"></td><td><a class="el" href="a03371.html" title="This defines the function pointers and sensor specific information. ">mma8491q_i2c_sensorhandle_t</a> *pSensorHandle, handle to the sensor handle. </td></tr> 359 <tr><td class="paramdir">[in]</td><td class="paramname"></td><td>registeridlefunction_t idleTask, function pointer to the function to execute on I2C Idle Time. </td></tr> 360 <tr><td class="paramdir">[in]</td><td class="paramname"></td><td>void *userParam, the pointer to the user idle ftask parameters. </td></tr> 361 </table> 362 </dd> 363</dl> 364<dl class="section return"><dt>Returns</dt><dd>void. </dd></dl> 365<dl class="section user"><dt>Constraints:</dt><dd>This can be called any number of times only after <a class="el" href="a00137.html#a139416bfb5a05d907f47700d0dfa73bd" title="The interface function to initialize the sensor. ">MMA8491Q_I2C_Initialize()</a>. Application has to ensure that previous instances of these APIs have exited before invocation. No </dd></dl> 366 367<p class="definition">Definition at line <a class="el" href="a00134_source.html#l00056">56</a> of file <a class="el" href="a00134_source.html">mma8491q_drv.c</a>.</p> 368 369<p class="reference">References <a class="el" href="a00137_source.html#l00031">mma8491q_i2c_sensorhandle_t::deviceInfo</a>, <a class="el" href="a00179_source.html#l00105">registerDeviceInfo_t::functionParam</a>, and <a class="el" href="a00179_source.html#l00104">registerDeviceInfo_t::idleFunction</a>.</p> 370 371<p class="reference">Referenced by <a class="el" href="a00452_source.html#l00204">main()</a>.</p> 372<div class="dynheader"> 373Here is the caller graph for this function:</div> 374<div class="dyncontent"> 375<div class="center"><img src="a00137_a18f7cb777662c0ce9b0252c1a6ccb09c_icgraph.png" border="0" usemap="#a00137_a18f7cb777662c0ce9b0252c1a6ccb09c_icgraph" alt=""/></div> 376<map name="a00137_a18f7cb777662c0ce9b0252c1a6ccb09c_icgraph" id="a00137_a18f7cb777662c0ce9b0252c1a6ccb09c_icgraph"> 377<area shape="rect" id="node2" href="a00452.html#a840291bc02cba5474a4cb46a9b9566fe" title="Main function. " alt="" coords="245,5,296,32"/> 378</map> 379</div> 380 381</div> 382</div> 383</div><!-- contents --> 384 385<hr class="footer"/><address class="footer"><small> 386© Copyright 2016-2022 NXP. All Rights Reserved. SPDX-License-Identifier: BSD-3-Clause 387</small></address> 388</body> 389</html> 390
