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|
||
|
||
<div class=" wh_topic_content body "><main role="main"><article class="- topic/topic topic" role="article" aria-labelledby="ariaid-title1">
|
||
<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/mtop/mtop_design_guide.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">设计说明</h1>
|
||
<div class="date inPage">16 May 2025</div><div style="color: gray;">
|
||
Read time: 3 minute(s)
|
||
</div>
|
||
<div class="- topic/body body">
|
||
<section class="- topic/section section" id="id__id2" data-ofbid="id__id2"><h2 class="- topic/title title sectiontitle">源码说明</h2>
|
||
|
||
<p class="- topic/p p" data-ofbid="d85312e33__20250519091513">源代码位于 <span class="+ topic/ph sw-d/filepath ph filepath">bsp/artinchip/</span>：</p><ul class="- topic/ul ul simple" id="id__ul_sx2_w3d_bdc" data-ofbid="id__ul_sx2_w3d_bdc">
|
||
<li class="- topic/li li" data-ofbid="d85312e40__20250519091513">
|
||
<p class="- topic/p p" data-ofbid="d85312e42__20250519091513"><span class="+ topic/ph sw-d/filepath ph filepath">bsp/artinchip/drv/mtop/drv_mtop.c</span>，MTOP Driver 层实现</p>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d85312e48__20250519091513">
|
||
<p class="- topic/p p" data-ofbid="d85312e50__20250519091513"><span class="+ topic/ph sw-d/filepath ph filepath">bsp/artinchip/include/drv/drv_mtop.h</span>，MTOP Drive 层头文件</p>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d85312e56__20250519091513">
|
||
<p class="- topic/p p" data-ofbid="d85312e58__20250519091513"><span class="+ topic/ph sw-d/filepath ph filepath">bsp/artinchip/hal/mtop/hal_mtop.c</span>，MTOP HAL 层实现</p>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d85312e64__20250519091513">
|
||
<p class="- topic/p p" data-ofbid="d85312e66__20250519091513"><span class="+ topic/ph sw-d/filepath ph filepath">bsp/artinchip/include/hal/hal_mtop.h</span>，MTOP HAL 层接口头文件</p>
|
||
</li>
|
||
</ul>
|
||
</section>
|
||
<section class="- topic/section section" id="id__id3" data-ofbid="id__id3"><h2 class="- topic/title title sectiontitle">模块架构</h2>
|
||
|
||
<p class="- topic/p p" data-ofbid="d85312e79__20250519091513">RTOS
|
||
系统中没有对应的设备框架来支持特定的硬件设备，此时可以将
|
||
MTOP 作为一个 Miscellaneous device 注册到 RTOS
|
||
上实现对特定硬件的管理。</p>
|
||
|
||
<p class="- topic/p p" data-ofbid="d85312e82__20250519091513">将 MTOP 作为一种通用设备注册到 RTOS 上可以让开发者在 RTOS 环境下灵活地管理和操作自定义或不常见的硬件设备，也可以在 RTOS
|
||
环境中添加新的设备类型，而无需修改底层的 RTOS 代码。</p>
|
||
<p class="- topic/p p" data-ofbid="d85312e85__20250519091513">即使没有 RTOS，使用 HAL 层也可以支持 baremetal 方式的应用场景。这种情况下，HAL
|
||
层提供了基本的硬件操作接口，使得应用程序可以在没有操作系统的情况下直接控制硬件。</p>
|
||
|
||
</section>
|
||
<section class="- topic/section section" id="id__id4" data-ofbid="id__id4"><h2 class="- topic/title title sectiontitle">关键流程设计</h2>
|
||
|
||
<div class="- topic/div div section" id="id__id5">
|
||
<strong class="+ topic/ph hi-d/b ph b">初始化流程</strong>
|
||
<p class="- topic/p p" data-ofbid="d85312e99__20250519091513">MTOP 驱动的初始化接口通过 <span class="+ topic/keyword pr-d/apiname keyword apiname">INIT_BOARD_EXPORT(drv_mtop_init)</span>
|
||
完成注册，其中主要步骤有：</p><ol class="- topic/ol ol arabic simple" id="id__ol_tx2_w3d_bdc" data-ofbid="id__ol_tx2_w3d_bdc">
|
||
<li class="- topic/li li" data-ofbid="d85312e106__20250519091513">
|
||
<p class="- topic/p p" data-ofbid="d85312e108__20250519091513">初始化模块的时钟 (clk)。</p>
|
||
<p class="- topic/p p" data-ofbid="d85312e111__20250519091513">时钟 (clk) 是硬件模块正常工作的基础，因此首先需要初始化模块的时钟。</p>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d85312e115__20250519091513">
|
||
<p class="- topic/p p" data-ofbid="d85312e117__20250519091513">注册接收回调函数。</p>
|
||
<p class="- topic/p p" data-ofbid="d85312e120__20250519091513">为了处理接收到的数据，需要注册一个回调函数。这个回调函数将在数据到达时被调用。</p>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d85312e124__20250519091513">
|
||
<p class="- topic/p p" data-ofbid="d85312e126__20250519091513">注册中断。</p>
|
||
<p class="- topic/p p" data-ofbid="d85312e129__20250519091513">中断是硬件与软件通信的重要机制，通过注册中断可以确保在特定事件发生时及时响应。</p>
|
||
</li>
|
||
</ol></div>
|
||
</section>
|
||
<section class="- topic/section section" id="id__id6" data-ofbid="id__id6"><h2 class="- topic/title title sectiontitle">数据结构设计</h2>
|
||
|
||
<div class="- topic/div div section" id="id__mtop-dev">
|
||
<strong class="+ topic/ph hi-d/b ph b">mtop_dev</strong>
|
||
<div class="- topic/p p" data-ofbid="d85312e145__20250519091513">属于 Driver 层数据结构，记录 MTOP
|
||
控制器配置信息：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_m2g_wyz_cdc" data-ofbid="id__codeblock_m2g_wyz_cdc"><strong class="hl-keyword">struct</strong> mtop_dev {
|
||
<strong class="hl-keyword">struct</strong> rt_device dev;
|
||
<strong class="hl-keyword">struct</strong> aic_mtop_dev mtop_handle;
|
||
<strong class="hl-keyword">char</strong> *name;
|
||
};</pre></div>
|
||
</div>
|
||
<div class="- topic/div div section" id="id__aic-mtop-dev">
|
||
<strong class="+ topic/ph hi-d/b ph b">aic_mtop_dev</strong>
|
||
<div class="- topic/p p" data-ofbid="d85312e156__20250519091513">属于 HAL 层数据结构，记录 MTOP
|
||
的通道分组和端口配置信息：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_xpx_wyz_cdc" data-ofbid="id__codeblock_xpx_wyz_cdc"><strong class="hl-keyword">struct</strong> aic_mtop_dev {
|
||
<strong class="hl-keyword">unsigned</strong> <strong class="hl-keyword">long</strong> reg_base;
|
||
IRQn_Type irq_num;
|
||
uint32_t clk_id;
|
||
uint8_t grp;
|
||
uint8_t prt;
|
||
port_bandwidth port_bw[MTOP_GROUP_MAX * MTOP_PORT_MAX];
|
||
<strong class="hl-keyword">void</strong> (*callback)(<strong class="hl-keyword">struct</strong> aic_mtop_dev *phandle, <strong class="hl-keyword">void</strong> *arg);
|
||
<strong class="hl-keyword">void</strong> *arg;
|
||
};
|
||
|
||
<strong class="hl-keyword">typedef</strong> <strong class="hl-keyword">struct</strong> port_bandwidth_t {
|
||
u32 wcnt;
|
||
u32 rcnt;
|
||
}port_bandwidth;</pre></div>
|
||
</div>
|
||
</section>
|
||
<section class="- topic/section section" id="id__id7" data-ofbid="id__id7"><h2 class="- topic/title title sectiontitle">接口设计</h2>
|
||
|
||
<div class="- topic/div div section" id="id__mtop-ops-init">
|
||
<div class="table-container"><table class="- topic/table table frame-all" id="id__table_wx2_w3d_bdc" data-ofbid="id__table_wx2_w3d_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">mtop_ops_init</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="id__table_wx2_w3d_bdc__entry__1"><p class="- topic/p p" data-ofbid="d85312e186__20250519091513">函数原型</p></th>
|
||
<th class="- topic/entry entry colsep-0 rowsep-1" id="id__table_wx2_w3d_bdc__entry__2"><p class="- topic/p p" data-ofbid="d85312e190__20250519091513">rt_err_t mtop_ops_init(rt_device_t dev)</p></th>
|
||
</tr>
|
||
</thead><tbody class="- topic/tbody tbody">
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_wx2_w3d_bdc__entry__1"><p class="- topic/p p" data-ofbid="d85312e200__20250519091513">功能说明</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_wx2_w3d_bdc__entry__2"><p class="- topic/p p" data-ofbid="d85312e204__20250519091513">MTOP 控制器的初始化</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_wx2_w3d_bdc__entry__1"><p class="- topic/p p" data-ofbid="d85312e211__20250519091513">参数定义</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_wx2_w3d_bdc__entry__2"><p class="- topic/p p" data-ofbid="d85312e215__20250519091513">dev - 指向 MTOP 设备</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_wx2_w3d_bdc__entry__1"><p class="- topic/p p" data-ofbid="d85312e222__20250519091513">返回值</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_wx2_w3d_bdc__entry__2"><p class="- topic/p p" data-ofbid="d85312e226__20250519091513">0，成功</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-0" headers="id__table_wx2_w3d_bdc__entry__1"><p class="- topic/p p" data-ofbid="d85312e233__20250519091513">注意事项</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_wx2_w3d_bdc__entry__2"><p class="- topic/p p" data-ofbid="d85312e237__20250519091513">-</p></td>
|
||
</tr>
|
||
</tbody></table></div>
|
||
</div>
|
||
|
||
|
||
<div class="table-container"><table class="- topic/table table frame-all" id="id__table_xx2_w3d_bdc" data-ofbid="id__table_xx2_w3d_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">mtop_ops_open</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="id__table_xx2_w3d_bdc__entry__1"><p class="- topic/p p" data-ofbid="d85312e261__20250519091513">函数原型</p></th>
|
||
<th class="- topic/entry entry colsep-0 rowsep-1" id="id__table_xx2_w3d_bdc__entry__2"><p class="- topic/p p" data-ofbid="d85312e265__20250519091513">rt_err_t mtop_ops_open(rt_device_t dev)</p></th>
|
||
</tr>
|
||
</thead><tbody class="- topic/tbody tbody">
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_xx2_w3d_bdc__entry__1"><p class="- topic/p p" data-ofbid="d85312e275__20250519091513">功能说明</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_xx2_w3d_bdc__entry__2"><p class="- topic/p p" data-ofbid="d85312e279__20250519091513">打开 MTOP 设备</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_xx2_w3d_bdc__entry__1"><p class="- topic/p p" data-ofbid="d85312e286__20250519091513">参数定义</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_xx2_w3d_bdc__entry__2"><p class="- topic/p p" data-ofbid="d85312e290__20250519091513">dev - 指向 MTOP 设备</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_xx2_w3d_bdc__entry__1"><p class="- topic/p p" data-ofbid="d85312e297__20250519091513">返回值</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_xx2_w3d_bdc__entry__2"><p class="- topic/p p" data-ofbid="d85312e301__20250519091513">0，成功</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-0" headers="id__table_xx2_w3d_bdc__entry__1"><p class="- topic/p p" data-ofbid="d85312e308__20250519091513">注意事项</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_xx2_w3d_bdc__entry__2"><p class="- topic/p p" data-ofbid="d85312e312__20250519091513">-</p></td>
|
||
</tr>
|
||
</tbody></table></div>
|
||
|
||
|
||
|
||
<div class="table-container"><table class="- topic/table table frame-all" id="id__table_yx2_w3d_bdc" data-ofbid="id__table_yx2_w3d_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"> 3</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">mtop_ops_close</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="id__table_yx2_w3d_bdc__entry__1"><p class="- topic/p p" data-ofbid="d85312e335__20250519091513">函数原型</p></th>
|
||
<th class="- topic/entry entry colsep-0 rowsep-1" id="id__table_yx2_w3d_bdc__entry__2"><p class="- topic/p p" data-ofbid="d85312e339__20250519091513">rt_err_t mtop_ops_close(rt_device_t dev)</p></th>
|
||
</tr>
|
||
</thead><tbody class="- topic/tbody tbody">
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_yx2_w3d_bdc__entry__1"><p class="- topic/p p" data-ofbid="d85312e349__20250519091513">功能说明</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_yx2_w3d_bdc__entry__2"><p class="- topic/p p" data-ofbid="d85312e353__20250519091513">关闭 MTOP 设备</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_yx2_w3d_bdc__entry__1"><p class="- topic/p p" data-ofbid="d85312e360__20250519091513">参数定义</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_yx2_w3d_bdc__entry__2"><p class="- topic/p p" data-ofbid="d85312e364__20250519091513">dev - 指向 MTOP 设备</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_yx2_w3d_bdc__entry__1"><p class="- topic/p p" data-ofbid="d85312e371__20250519091513">返回值</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_yx2_w3d_bdc__entry__2"><p class="- topic/p p" data-ofbid="d85312e375__20250519091513">0，成功</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-0" headers="id__table_yx2_w3d_bdc__entry__1"><p class="- topic/p p" data-ofbid="d85312e382__20250519091513">注意事项</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_yx2_w3d_bdc__entry__2"><p class="- topic/p p" data-ofbid="d85312e386__20250519091513">-</p></td>
|
||
</tr>
|
||
</tbody></table></div>
|
||
|
||
|
||
|
||
<div class="table-container"><table class="- topic/table table frame-all" id="id__table_zx2_w3d_bdc" data-ofbid="id__table_zx2_w3d_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"> 4</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">mtop_ops_control</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="id__table_zx2_w3d_bdc__entry__1"><p class="- topic/p p" data-ofbid="d85312e409__20250519091513">函数原型</p></th>
|
||
<th class="- topic/entry entry colsep-0 rowsep-1" id="id__table_zx2_w3d_bdc__entry__2"><p class="- topic/p p" data-ofbid="d85312e413__20250519091513">rt_err_t mtop_ops_control(rt_device_t *dev, int cmd, void
|
||
*args)</p></th>
|
||
</tr>
|
||
</thead><tbody class="- topic/tbody tbody">
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_zx2_w3d_bdc__entry__1"><p class="- topic/p p" data-ofbid="d85312e423__20250519091513">功能说明</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_zx2_w3d_bdc__entry__2"><p class="- topic/p p" data-ofbid="d85312e427__20250519091513">MTOP 驱动的 ioctl 接口</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_zx2_w3d_bdc__entry__1"><p class="- topic/p p" data-ofbid="d85312e434__20250519091513">参数定义</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_zx2_w3d_bdc__entry__2"><p class="- topic/p p" data-ofbid="d85312e438__20250519091513">
|
||
<div class="- topic/div div">
|
||
<div class="- topic/div div">dev - 指向 MTOP 设备</div>
|
||
<div class="- topic/div div">cmd - ioctl
|
||
命令码<a name="fnsrc_1" href="#fntarg_1" class=" topic/fn-call fn-call "><sup>1</sup></a></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="id__table_zx2_w3d_bdc__entry__1"><p class="- topic/p p" data-ofbid="d85312e459__20250519091513">返回值</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_zx2_w3d_bdc__entry__2"><p class="- topic/p p" data-ofbid="d85312e463__20250519091513">0，成功；<0，失败</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-0" headers="id__table_zx2_w3d_bdc__entry__1"><p class="- topic/p p" data-ofbid="d85312e470__20250519091513">注意事项</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_zx2_w3d_bdc__entry__2"><p class="- topic/p p" data-ofbid="d85312e474__20250519091513">-</p></td>
|
||
</tr>
|
||
</tbody></table></div>
|
||
|
||
<div class="- topic/p p" data-ofbid="d85312e484__20250519091513">MTOP 的 cmd
|
||
命令码的定义如下所示，详见
|
||
<span class="+ topic/ph sw-d/filepath ph filepath">bsp/arcinchip/include/drv/aic_drv_mtop.h</span>：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_ons_yyz_cdc" data-ofbid="id__codeblock_ons_yyz_cdc"><strong class="hl-keyword">enum</strong> {
|
||
MTOP_SET_PERIOD_MODE, <em class="hl-comment">// 设置周期模式</em>
|
||
MTOP_ENABLE, <em class="hl-comment">// 启用 MTOP</em>
|
||
};</pre></div>
|
||
|
||
|
||
</section>
|
||
<section class="- topic/section section" id="id__hal" data-ofbid="id__hal"><h2 class="- topic/title title sectiontitle">HAL 层接口设计</h2>
|
||
|
||
<div class="- topic/p p" data-ofbid="d85312e501__20250519091513">HAL
|
||
层的函数接口声明存放在 aic_hal_mtop.h
|
||
中，主要接口有：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_thd_yyz_cdc" data-ofbid="id__codeblock_thd_yyz_cdc"><strong class="hl-keyword">int</strong> hal_mtop_init(<strong class="hl-keyword">struct</strong> aic_mtop_dev *phandle);
|
||
<strong class="hl-keyword">int</strong> hal_mtop_deinit(<strong class="hl-keyword">struct</strong> aic_mtop_dev *phandle);
|
||
<strong class="hl-keyword">void</strong> hal_mtop_enable(<strong class="hl-keyword">struct</strong> aic_mtop_dev *phandle);
|
||
<strong class="hl-keyword">void</strong> hal_mtop_irq_enable(<strong class="hl-keyword">struct</strong> aic_mtop_dev *phandle);
|
||
irqreturn_t hal_mtop_irq_handler(<strong class="hl-keyword">int</strong> irq_num, <strong class="hl-keyword">void</strong> *can_handle);
|
||
<strong class="hl-keyword">void</strong> hal_mtop_set_period_cnt(<strong class="hl-keyword">struct</strong> aic_mtop_dev *phandle, uint32_t period_cnt);
|
||
<strong class="hl-keyword">void</strong> hal_mtop_attach_callback(<strong class="hl-keyword">struct</strong> aic_mtop_dev *phandle, <strong class="hl-keyword">void</strong> *callback, <strong class="hl-keyword">void</strong> *arg);
|
||
<strong class="hl-keyword">void</strong> hal_mtop_detach_callback(<strong class="hl-keyword">struct</strong> aic_mtop_dev *phandle);</pre></div>
|
||
</section>
|
||
|
||
|
||
</div>
|
||
<div class="- topic/fn fn"><a name="fntarg_1" href="#fnsrc_1"><sup>1</sup></a> 命令码可以在代码中使用，以便调用相应的功能。</div></article></main></div>
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<div class=" wh_topic_toc "><div class="wh_topic_label">在本页上</div><ul><li class="section-item"><div class="section-title"><a href="#id__id2" data-tocid="id__id2">源码说明</a></div></li><li class="section-item"><div class="section-title"><a href="#id__id3" data-tocid="id__id3">模块架构</a></div></li><li class="section-item"><div class="section-title"><a href="#id__id4" data-tocid="id__id4">关键流程设计</a></div></li><li class="section-item"><div class="section-title"><a href="#id__id6" data-tocid="id__id6">数据结构设计</a></div></li><li class="section-item"><div class="section-title"><a href="#id__id7" data-tocid="id__id7">接口设计</a></div></li><li class="section-item"><div class="section-title"><a href="#id__hal" data-tocid="id__hal">HAL 层接口设计</a></div></li></ul></div>
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