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<div class=" wh_topic_content body "><main role="main"><article class="- topic/topic concept/concept topic concept" role="article" aria-labelledby="ariaid-title1">
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<span class="edit-link" style="font-size:12px; opacity:0.6; text-align:right; vertical-align:middle"><a target="_blank" href="http://aicdocco/taskstopics/sdk/tsensor/tsensor-interface-design-lite.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">接口设计</h1>
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<div class="date inPage">16 May 2025</div><div style="color: gray;">
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Read time: 1 minute(s)
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</div>
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<div class="- topic/body concept/conbody body conbody">
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<section class="- topic/section section" id="tsensor_interface_design_luban_lite__driver" data-ofbid="tsensor_interface_design_luban_lite__driver"><h2 class="- topic/title title sectiontitle">Driver 层接口设计</h2>
|
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|
||
<p class="- topic/p p" data-ofbid="d65975e41__20250519091509">以下接口是 TSensor 设备驱动框架的标准接口。</p>
|
||
<div class="table-container"><table class="- topic/table table frame-all" id="tsensor_interface_design_luban_lite__table_agk_ywh_bdc" data-ofbid="tsensor_interface_design_luban_lite__table_agk_ywh_bdc" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 1</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">aic_tsen_fetch</span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><thead class="- topic/thead thead">
|
||
<tr class="- topic/row">
|
||
<th class="- topic/entry entry colsep-1 rowsep-1" id="tsensor_interface_design_luban_lite__table_agk_ywh_bdc__entry__1"><p class="- topic/p p" data-ofbid="d65975e60__20250519091509">函数原型</p></th>
|
||
<th class="- topic/entry entry colsep-0 rowsep-1" id="tsensor_interface_design_luban_lite__table_agk_ywh_bdc__entry__2"><p class="- topic/p p" data-ofbid="d65975e64__20250519091509">rt_size_t aic_tsen_fetch(struct rt_sensor_device *sensor, void
|
||
*buf, rt_size_t len)</p></th>
|
||
</tr>
|
||
</thead><tbody class="- topic/tbody tbody">
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="tsensor_interface_design_luban_lite__table_agk_ywh_bdc__entry__1"><p class="- topic/p p" data-ofbid="d65975e74__20250519091509">功能说明</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="tsensor_interface_design_luban_lite__table_agk_ywh_bdc__entry__2"><p class="- topic/p p" data-ofbid="d65975e78__20250519091509">读取 TSensor 温度数据</p></td>
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||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="tsensor_interface_design_luban_lite__table_agk_ywh_bdc__entry__1"><p class="- topic/p p" data-ofbid="d65975e85__20250519091509">参数定义</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="tsensor_interface_design_luban_lite__table_agk_ywh_bdc__entry__2"><p class="- topic/p p" data-ofbid="d65975e89__20250519091509">
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div">sensor - 指向 sensor 设备</div>
|
||
<div class="- topic/div div">buf - 用来保存读取到的温度，是 struct rt_sensor_data 类型的数据结构</div>
|
||
<div class="- topic/div div">len - buf 的长度</div>
|
||
</div>
|
||
</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="tsensor_interface_design_luban_lite__table_agk_ywh_bdc__entry__1"><p class="- topic/p p" data-ofbid="d65975e108__20250519091509">返回值</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="tsensor_interface_design_luban_lite__table_agk_ywh_bdc__entry__2"><p class="- topic/p p" data-ofbid="d65975e112__20250519091509">1，成功； <0，失败</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-0" headers="tsensor_interface_design_luban_lite__table_agk_ywh_bdc__entry__1"><p class="- topic/p p" data-ofbid="d65975e119__20250519091509">注意事项</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="tsensor_interface_design_luban_lite__table_agk_ywh_bdc__entry__2"><p class="- topic/p p" data-ofbid="d65975e123__20250519091509">目前仅支持读取 CPU 位置处的 TSensor</p></td>
|
||
</tr>
|
||
</tbody></table></div>
|
||
<div class="table-container"><table class="- topic/table table frame-all" id="tsensor_interface_design_luban_lite__table_bgk_ywh_bdc" data-ofbid="tsensor_interface_design_luban_lite__table_bgk_ywh_bdc" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 2</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">aic_tsen_control</span></caption><colgroup><col style="width:16.666666666666664%"/><col style="width:83.33333333333334%"/></colgroup><thead class="- topic/thead thead">
|
||
<tr class="- topic/row">
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<th class="- topic/entry entry colsep-1 rowsep-1" id="tsensor_interface_design_luban_lite__table_bgk_ywh_bdc__entry__1"><p class="- topic/p p" data-ofbid="d65975e146__20250519091509">函数原型</p></th>
|
||
<th class="- topic/entry entry colsep-0 rowsep-1" id="tsensor_interface_design_luban_lite__table_bgk_ywh_bdc__entry__2"><p class="- topic/p p" data-ofbid="d65975e150__20250519091509">rt_err_t aic_tsen_control(struct rt_sensor_device *sensor, int
|
||
cmd, void *args)</p></th>
|
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</tr>
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</thead><tbody class="- topic/tbody tbody">
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="tsensor_interface_design_luban_lite__table_bgk_ywh_bdc__entry__1"><p class="- topic/p p" data-ofbid="d65975e160__20250519091509">功能说明</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="tsensor_interface_design_luban_lite__table_bgk_ywh_bdc__entry__2"><p class="- topic/p p" data-ofbid="d65975e164__20250519091509">TSensor 驱动的 ioctl 接口</p></td>
|
||
</tr>
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<tr class="- topic/row">
|
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<td class="- topic/entry entry colsep-1 rowsep-1" headers="tsensor_interface_design_luban_lite__table_bgk_ywh_bdc__entry__1"><p class="- topic/p p" data-ofbid="d65975e171__20250519091509">参数定义</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="tsensor_interface_design_luban_lite__table_bgk_ywh_bdc__entry__2"><p class="- topic/p p" data-ofbid="d65975e175__20250519091509">
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div">sensor - 指向 sensor 设备</div>
|
||
<div class="- topic/div div">cmd - ioctl 命令码</div>
|
||
<div class="- topic/div div">args - ioctl 命令相应的参数</div>
|
||
</div>
|
||
</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="tsensor_interface_design_luban_lite__table_bgk_ywh_bdc__entry__1"><p class="- topic/p p" data-ofbid="d65975e194__20250519091509">返回值</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="tsensor_interface_design_luban_lite__table_bgk_ywh_bdc__entry__2"><p class="- topic/p p" data-ofbid="d65975e198__20250519091509">-1，失败</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-0" headers="tsensor_interface_design_luban_lite__table_bgk_ywh_bdc__entry__1"><p class="- topic/p p" data-ofbid="d65975e205__20250519091509">注意事项</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="tsensor_interface_design_luban_lite__table_bgk_ywh_bdc__entry__2"><p class="- topic/p p" data-ofbid="d65975e209__20250519091509">目前暂未实现此接口中的 ioctl 命令，所以统一返回 -1。 不影响正常读数据功能</p></td>
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</tr>
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</tbody></table></div>
|
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</section>
|
||
<section class="- topic/section section" id="tsensor_interface_design_luban_lite__hal" data-ofbid="tsensor_interface_design_luban_lite__hal"><h2 class="- topic/title title sectiontitle">HAL 层接口设计</h2>
|
||
|
||
<div class="- topic/p p" data-ofbid="d65975e222__20250519091509">HAL 层的函数接口声明存放在 hal_tsen.h
|
||
中，主要接口有：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="tsensor_interface_design_luban_lite__codeblock_lml_crg_ddc" data-ofbid="tsensor_interface_design_luban_lite__codeblock_lml_crg_ddc"><strong class="hl-keyword">void</strong> hal_tsen_enable(<strong class="hl-keyword">int</strong> enable);
|
||
<strong class="hl-keyword">void</strong> hal_tsen_ch_enable(u32 ch, <strong class="hl-keyword">int</strong> enable);
|
||
<strong class="hl-keyword">int</strong> hal_tsen_ch_init(<strong class="hl-keyword">struct</strong> aic_tsen_ch *chan, u32 pclk);
|
||
|
||
<strong class="hl-keyword">int</strong> hal_tsen_get_temp(<strong class="hl-keyword">struct</strong> aic_tsen_ch *chan, s32 *val);
|
||
s32 hal_tsen_data2temp(<strong class="hl-keyword">struct</strong> aic_tsen_ch *chan);
|
||
u16 hal_tsen_temp2data(<strong class="hl-keyword">struct</strong> aic_tsen_ch *chan, s32 temp);
|
||
<strong class="hl-keyword">void</strong> hal_tsen_status_show(<strong class="hl-keyword">struct</strong> aic_tsen_ch *chan);
|
||
|
||
irqreturn_t hal_tsen_irq_handle(<strong class="hl-keyword">int</strong> irq, <strong class="hl-keyword">void</strong> *arg);</pre></div>
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