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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/interrupt/interrupt-user-guide.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">Interrupt 使用指南</h1>
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2025-07-22 11:15:46 +08:00
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<div class="date inPage">16 May 2025</div><div style="color: gray;">
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2025-04-23 17:54:31 +08:00
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Read time: 3 minute(s)
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</div>
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<div class="- topic/body concept/conbody body conbody">
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<p class="- topic/p p" data-ofbid="d205818e33__20250519091528">Interrupt 相关 <span class="+ topic/ph sw-d/filepath ph filepath">.c</span> 和 <span class="+ topic/ph sw-d/filepath ph filepath">.h</span> 文件分别位于
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2025-01-23 16:37:00 +08:00
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<span class="+ topic/ph sw-d/filepath ph filepath">luban-lite\kernel\common\include\osal\aic_osal_platform_lbl.h</span> 和
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<span class="+ topic/ph sw-d/filepath ph filepath">luban-lite\bsp\artinchip\sys\dxxx\</span> 目录。主要源文件说明如下：</p>
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<div class="table-container"><table class="- topic/table table frame-all" id="system_interrupt_user_guide__table_an5_ry2_f1c" data-ofbid="system_interrupt_user_guide__table_an5_ry2_f1c" data-cols="2"><caption></caption><colgroup><col style="width:50%"/><col style="width:50%"/></colgroup><thead class="- topic/thead thead">
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<th class="- topic/entry entry colsep-1 rowsep-1" id="system_interrupt_user_guide__table_an5_ry2_f1c__entry__1"><p class="- topic/p p" data-ofbid="d205818e61__20250519091528">文件</p></th>
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<th class="- topic/entry entry colsep-0 rowsep-1" id="system_interrupt_user_guide__table_an5_ry2_f1c__entry__2"><p class="- topic/p p" data-ofbid="d205818e65__20250519091528">说明</p></th>
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<td class="- topic/entry entry colsep-1 rowsep-1" headers="system_interrupt_user_guide__table_an5_ry2_f1c__entry__1"><p class="- topic/p p" data-ofbid="d205818e75__20250519091528"><span class="+ topic/ph sw-d/filepath ph filepath">aic_osal_platform_lbl.h</span></p></td>
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<td class="- topic/entry entry colsep-0 rowsep-1" headers="system_interrupt_user_guide__table_an5_ry2_f1c__entry__2"><p class="- topic/p p" data-ofbid="d205818e80__20250519091528">aicos 层中断 注册 & 使能 函数</p></td>
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<td class="- topic/entry entry colsep-1 rowsep-1" headers="system_interrupt_user_guide__table_an5_ry2_f1c__entry__1"><p class="- topic/p p" data-ofbid="d205818e87__20250519091528"><span class="+ topic/ph sw-d/filepath ph filepath">aic_drv_irq.c</span></p></td>
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<td class="- topic/entry entry colsep-0 rowsep-1" headers="system_interrupt_user_guide__table_an5_ry2_f1c__entry__2"><p class="- topic/p p" data-ofbid="d205818e92__20250519091528">drv 层 interrupt 的实现</p></td>
|
2025-04-23 17:54:31 +08:00
|
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</tr>
|
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|
|
|
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<tr class="- topic/row">
|
2025-07-22 11:15:46 +08:00
|
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<td class="- topic/entry entry colsep-1 rowsep-0" headers="system_interrupt_user_guide__table_an5_ry2_f1c__entry__1"><p class="- topic/p p" data-ofbid="d205818e99__20250519091528"><span class="+ topic/ph sw-d/filepath ph filepath">aic_drv_gpio.c</span></p></td>
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<td class="- topic/entry entry colsep-0 rowsep-0" headers="system_interrupt_user_guide__table_an5_ry2_f1c__entry__2"><p class="- topic/p p" data-ofbid="d205818e104__20250519091528">drv 层 gpio 中断的扩展</p></td>
|
2025-04-23 17:54:31 +08:00
|
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</tr>
|
|
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|
|
</tbody></table></div>
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<section class="- topic/section section" id="system_interrupt_user_guide__section_bn5_ry2_f1c" data-ofbid="system_interrupt_user_guide__section_bn5_ry2_f1c"><h2 class="- topic/title title sectiontitle">模块架构</h2>
|
2025-01-23 16:37:00 +08:00
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|
2025-07-22 11:15:46 +08:00
|
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<div class="- topic/p p" data-ofbid="d205818e116__20250519091528">
|
2025-04-23 17:54:31 +08:00
|
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<ul class="- topic/ul ul" id="system_interrupt_user_guide__ul_rbz_ty2_f1c" data-ofbid="system_interrupt_user_guide__ul_rbz_ty2_f1c">
|
2025-07-22 11:15:46 +08:00
|
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<li class="- topic/li li" data-ofbid="d205818e120__20250519091528">普通中断<div class="- topic/p p" data-ofbid="d205818e122__20250519091528">对于普通中断来说实现的原理非常简单，核心就是两个数组 <span class="+ topic/keyword pr-d/apiname keyword apiname">g_irqvector[]</span> 和
|
2025-04-23 17:54:31 +08:00
|
|
|
|
<span class="+ topic/keyword pr-d/apiname keyword apiname">g_irqdata[]</span>，分别用来存储中断处理函数的函数指针和附加数据。对应具体操作如下：<ul class="- topic/ul ul" id="system_interrupt_user_guide__ul_cn5_ry2_f1c" data-ofbid="system_interrupt_user_guide__ul_cn5_ry2_f1c">
|
2025-07-22 11:15:46 +08:00
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<li class="- topic/li li" data-ofbid="d205818e132__20250519091528">
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<p class="- topic/p p" data-ofbid="d205818e134__20250519091528">中断注册。用户调用 <span class="+ topic/keyword pr-d/apiname keyword apiname">aicos_request_irq()</span>
|
2025-01-23 16:37:00 +08:00
|
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根据中断号把中断处理函数和附加数据存入到 <span class="+ topic/keyword pr-d/apiname keyword apiname">g_irqvector[]</span> 和
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<span class="+ topic/keyword pr-d/apiname keyword apiname">g_irqdata[]</span> 数组。</p>
|
2025-04-23 17:54:31 +08:00
|
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</li>
|
2025-07-22 11:15:46 +08:00
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<li class="- topic/li li" data-ofbid="d205818e147__20250519091528">
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<p class="- topic/p p" data-ofbid="d205818e149__20250519091528">中断处理。中断发生后所有中断首先会跳入 <span class="+ topic/keyword pr-d/apiname keyword apiname">Default_IRQHandler()</span>
|
2025-01-23 16:37:00 +08:00
|
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|
通用中断处理函数中，然后根据 <span class="+ topic/keyword pr-d/apiname keyword apiname">MCAUSE</span> 寄存器查询当前的中断号，根据中断号在
|
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|
<span class="+ topic/keyword pr-d/apiname keyword apiname">g_irqvector[]</span> 和
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|
<span class="+ topic/keyword pr-d/apiname keyword apiname">g_irqdata[]</span>
|
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|
数组中查询具体的中断处理函数指针和附加数据，然后再跳转到具体 ISR 中执行。</p>
|
2025-04-23 17:54:31 +08:00
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</li>
|
2025-07-22 11:15:46 +08:00
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</ul></div><div class="- topic/p p" data-ofbid="d205818e165__20250519091528"><br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="system_interrupt_user_guide__image_dn5_ry2_f1c" src="../../../images/interrupt/int_fw.png" alt="int_fw"/></div><br/></div></li>
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<li class="- topic/li li" data-ofbid="d205818e172__20250519091528">GPIO 中断<p class="- topic/p p" data-ofbid="d205818e174__20250519091528">GPIO 中断的实现稍有不同。因为 GPIO 一个 Group 只能共享一个中断（一个 Group 最多包含 32 个
|
2025-01-23 16:37:00 +08:00
|
|
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|
Pin），但是用户要求对每个 Pin 单独的注册中断处理函数，所以需要对 GPIO Pin
|
2025-04-23 17:54:31 +08:00
|
|
|
|
二级中断进行特殊处理。既能实现功能又能让用户零感知。具体做法如下：</p><ul class="- topic/ul ul" id="system_interrupt_user_guide__ul_fn5_ry2_f1c" data-ofbid="system_interrupt_user_guide__ul_fn5_ry2_f1c">
|
2025-07-22 11:15:46 +08:00
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<li class="- topic/li li" data-ofbid="d205818e178__20250519091528">
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<p class="- topic/p p" data-ofbid="d205818e180__20250519091528">扩大 <span class="+ topic/keyword pr-d/apiname keyword apiname">g_irqvector[]</span> 和 <span class="+ topic/keyword pr-d/apiname keyword apiname">g_irqdata[]</span>
|
2025-01-23 16:37:00 +08:00
|
|
|
|
数组。让每个 GPIO Pin 中断都拥有独立的存放位置，另外也可以做到对一级中断和二级中断格式一样。</p>
|
2025-04-23 17:54:31 +08:00
|
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|
</li>
|
2025-07-22 11:15:46 +08:00
|
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<li class="- topic/li li" data-ofbid="d205818e190__20250519091528">
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<p class="- topic/p p" data-ofbid="d205818e192__20250519091528">中断注册。目前在 rt-thread 下可以使用 <span class="+ topic/keyword pr-d/apiname keyword apiname">rt_pin_attach_irq()</span>
|
2025-01-23 16:37:00 +08:00
|
|
|
|
函数来注册 GPIO Pin 中断，使用 <span class="+ topic/keyword pr-d/apiname keyword apiname">rt_pin_irq_enable()</span> 函数来使能
|
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|
GPIO Pin 中断。</p>
|
2025-04-23 17:54:31 +08:00
|
|
|
|
</li>
|
2025-07-22 11:15:46 +08:00
|
|
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|
<li class="- topic/li li" data-ofbid="d205818e202__20250519091528"><p class="- topic/p p" data-ofbid="d205818e203__20250519091528">处断处理。GPIO Pin 发生中断以后，首先会跳转到一级中断处理函数
|
2025-01-23 16:37:00 +08:00
|
|
|
|
<span class="+ topic/keyword pr-d/apiname keyword apiname">drv_gpio_group_irqhandler()</span> 中执行，通过查询发生中断的
|
|
|
|
|
|
Group 和 Pin Offset，最终在 <span class="+ topic/keyword pr-d/apiname keyword apiname">g_irqvector[]</span> 和
|
|
|
|
|
|
<span class="+ topic/keyword pr-d/apiname keyword apiname">g_irqdata[]</span> 数组中查询到具体的中断处理函数指针和附加数据，然后再跳转到具体
|
2025-07-22 11:15:46 +08:00
|
|
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|
ISR 中执行。</p><div class="- topic/p p" data-ofbid="d205818e214__20250519091528"><br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="system_interrupt_user_guide__image_gn5_ry2_f1c" src="../../../images/interrupt/gpio_int_ext.png" alt="gpio_int_ext"/></div><br/></div></li>
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|
</ul><p class="- topic/p p" data-ofbid="d205818e221__20250519091528">CMU 驱动的逻辑比较简单，目前只在 HAL 层提供了 Clock 和 Reset 的 API 接口。RTOS 驱动和
|
2025-04-23 17:54:31 +08:00
|
|
|
|
Baremetal 驱动都可以直接使用。</p></li>
|
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|
</ul>
|
2025-01-23 16:37:00 +08:00
|
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|
</div>
|
2025-04-23 17:54:31 +08:00
|
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|
</section>
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<section class="- topic/section section" id="system_interrupt_user_guide__section_hn5_ry2_f1c" data-ofbid="system_interrupt_user_guide__section_hn5_ry2_f1c"><h2 class="- topic/title title sectiontitle">数据结构设计</h2>
|
2025-01-23 16:37:00 +08:00
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|
2025-07-22 11:15:46 +08:00
|
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|
<p class="- topic/p p" data-ofbid="d205818e232__20250519091528">Interrupt 模块关键结构体定义如下：</p>
|
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|
|
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|
<p class="- topic/p p" data-ofbid="d205818e235__20250519091528"><strong class="+ topic/ph hi-d/b ph b">irq_handler_t/pin_irq_handler_t</strong></p>
|
2025-01-23 16:37:00 +08:00
|
|
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|
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="system_interrupt_user_guide__codeblock_dx1_yy2_f1c" data-ofbid="system_interrupt_user_guide__codeblock_dx1_yy2_f1c"><strong class="hl-keyword">enum</strong> irqreturn
|
|
|
|
|
|
{
|
|
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|
|
IRQ_NONE = (<span class="hl-number">0</span> << <span class="hl-number">0</span>),
|
|
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|
IRQ_HANDLED = (<span class="hl-number">1</span> << <span class="hl-number">0</span>),
|
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|
IRQ_WAKE_THREAD = (<span class="hl-number">1</span> << <span class="hl-number">1</span>),
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|
|
};
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|
<strong class="hl-keyword">typedef</strong> <strong class="hl-keyword">enum</strong> irqreturn irqreturn_t;
|
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|
<strong class="hl-keyword">typedef</strong> irqreturn_t (*irq_handler_t)(<strong class="hl-keyword">int</strong>, <strong class="hl-keyword">void</strong> *);
|
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|
<strong class="hl-keyword">typedef</strong> irqreturn_t (*pin_irq_handler_t)(<strong class="hl-keyword">void</strong> *);</pre>
|
2025-04-23 17:54:31 +08:00
|
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|
</section>
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<section class="- topic/section section" id="system_interrupt_user_guide__section_ltc_zy2_f1c" data-ofbid="system_interrupt_user_guide__section_ltc_zy2_f1c"><h2 class="- topic/title title sectiontitle">接口设计</h2>
|
2025-01-23 16:37:00 +08:00
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|
2025-04-23 17:54:31 +08:00
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<div class="- topic/div div"><strong class="+ topic/ph hi-d/b ph b">AICOS Irq API</strong><div class="table-container"><table class="- topic/table table frame-all" id="system_interrupt_user_guide__table_jn5_ry2_f1c" data-ofbid="system_interrupt_user_guide__table_jn5_ry2_f1c" 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">aicos_request_irq</span></caption><colgroup><col style="width:25%"/><col style="width:75%"/></colgroup><thead class="- topic/thead thead">
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<tr class="- topic/row">
|
2025-07-22 11:15:46 +08:00
|
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<th class="- topic/entry entry colsep-1 rowsep-1" id="system_interrupt_user_guide__table_jn5_ry2_f1c__entry__1"><p class="- topic/p p" data-ofbid="d205818e267__20250519091528">函数原型</p></th>
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<th class="- topic/entry entry colsep-0 rowsep-1" id="system_interrupt_user_guide__table_jn5_ry2_f1c__entry__2"><p class="- topic/p p" data-ofbid="d205818e271__20250519091528">int aicos_request_irq (unsigned int irq, irq_handler_t
|
2025-01-23 16:37:00 +08:00
|
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|
handler, unsigned int flags, const char *name, void
|
2025-04-23 17:54:31 +08:00
|
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|
*data)</p></th>
|
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|
</tr>
|
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</thead><tbody class="- topic/tbody tbody">
|
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|
<tr class="- topic/row">
|
2025-07-22 11:15:46 +08:00
|
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|
<td class="- topic/entry entry colsep-1 rowsep-1" headers="system_interrupt_user_guide__table_jn5_ry2_f1c__entry__1"><p class="- topic/p p" data-ofbid="d205818e281__20250519091528">功能说明</p></td>
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<td class="- topic/entry entry colsep-0 rowsep-1" headers="system_interrupt_user_guide__table_jn5_ry2_f1c__entry__2"><p class="- topic/p p" data-ofbid="d205818e285__20250519091528">注册中断</p></td>
|
2025-04-23 17:54:31 +08:00
|
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</tr>
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<tr class="- topic/row">
|
2025-07-22 11:15:46 +08:00
|
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|
<td class="- topic/entry entry colsep-1 rowsep-1" headers="system_interrupt_user_guide__table_jn5_ry2_f1c__entry__1"><p class="- topic/p p" data-ofbid="d205818e292__20250519091528">参数</p></td>
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|
<td class="- topic/entry entry colsep-0 rowsep-1" headers="system_interrupt_user_guide__table_jn5_ry2_f1c__entry__2"><p class="- topic/p p" data-ofbid="d205818e296__20250519091528">irq ：中断号 handler：中断处理函数 flags ：中断标志 name ：中断号名称 data
|
2025-04-23 17:54:31 +08:00
|
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|
：中断附加数据</p></td>
|
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</tr>
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<tr class="- topic/row">
|
2025-07-22 11:15:46 +08:00
|
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|
<td class="- topic/entry entry colsep-1 rowsep-1" headers="system_interrupt_user_guide__table_jn5_ry2_f1c__entry__1"><p class="- topic/p p" data-ofbid="d205818e303__20250519091528">返回值</p></td>
|
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|
|
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|
<td class="- topic/entry entry colsep-0 rowsep-1" headers="system_interrupt_user_guide__table_jn5_ry2_f1c__entry__2"><p class="- topic/p p" data-ofbid="d205818e307__20250519091528">操作是否成功 (0=OK, other=Error)</p></td>
|
2025-04-23 17:54:31 +08:00
|
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</tr>
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<tr class="- topic/row">
|
2025-07-22 11:15:46 +08:00
|
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|
<td class="- topic/entry entry colsep-1 rowsep-0" headers="system_interrupt_user_guide__table_jn5_ry2_f1c__entry__1"><p class="- topic/p p" data-ofbid="d205818e314__20250519091528">注意事项</p></td>
|
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|
<td class="- topic/entry entry colsep-0 rowsep-0" headers="system_interrupt_user_guide__table_jn5_ry2_f1c__entry__2"><p class="- topic/p p" data-ofbid="d205818e318__20250519091528">-</p></td>
|
2025-04-23 17:54:31 +08:00
|
|
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</tr>
|
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|
</tbody></table></div><div class="table-container"><table class="- topic/table table frame-all" id="system_interrupt_user_guide__table_kn5_ry2_f1c" data-ofbid="system_interrupt_user_guide__table_kn5_ry2_f1c" 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">aicos_irq_enable</span></caption><colgroup><col style="width:25%"/><col style="width:75%"/></colgroup><thead class="- topic/thead thead">
|
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<tr class="- topic/row">
|
2025-07-22 11:15:46 +08:00
|
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|
<th class="- topic/entry entry colsep-1 rowsep-1" id="system_interrupt_user_guide__table_kn5_ry2_f1c__entry__1"><p class="- topic/p p" data-ofbid="d205818e340__20250519091528">函数原型</p></th>
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|
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|
<th class="- topic/entry entry colsep-0 rowsep-1" id="system_interrupt_user_guide__table_kn5_ry2_f1c__entry__2"><p class="- topic/p p" data-ofbid="d205818e344__20250519091528">void aicos_irq_enable(unsigned int irq)</p></th>
|
2025-04-23 17:54:31 +08:00
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</tr>
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</thead><tbody class="- topic/tbody tbody">
|
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<tr class="- topic/row">
|
2025-07-22 11:15:46 +08:00
|
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|
<td class="- topic/entry entry colsep-1 rowsep-1" headers="system_interrupt_user_guide__table_kn5_ry2_f1c__entry__1"><p class="- topic/p p" data-ofbid="d205818e354__20250519091528">功能说明</p></td>
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|
<td class="- topic/entry entry colsep-0 rowsep-1" headers="system_interrupt_user_guide__table_kn5_ry2_f1c__entry__2"><p class="- topic/p p" data-ofbid="d205818e358__20250519091528">使能中断</p></td>
|
2025-04-23 17:54:31 +08:00
|
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</tr>
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<tr class="- topic/row">
|
2025-07-22 11:15:46 +08:00
|
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|
<td class="- topic/entry entry colsep-1 rowsep-1" headers="system_interrupt_user_guide__table_kn5_ry2_f1c__entry__1"><p class="- topic/p p" data-ofbid="d205818e365__20250519091528">参数</p></td>
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|
<td class="- topic/entry entry colsep-0 rowsep-1" headers="system_interrupt_user_guide__table_kn5_ry2_f1c__entry__2"><p class="- topic/p p" data-ofbid="d205818e369__20250519091528">irq：中断号</p></td>
|
2025-04-23 17:54:31 +08:00
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</tr>
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<tr class="- topic/row">
|
2025-07-22 11:15:46 +08:00
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|
<td class="- topic/entry entry colsep-1 rowsep-1" headers="system_interrupt_user_guide__table_kn5_ry2_f1c__entry__1"><p class="- topic/p p" data-ofbid="d205818e376__20250519091528">返回值</p></td>
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|
<td class="- topic/entry entry colsep-0 rowsep-1" headers="system_interrupt_user_guide__table_kn5_ry2_f1c__entry__2"><p class="- topic/p p" data-ofbid="d205818e380__20250519091528">无</p></td>
|
2025-04-23 17:54:31 +08:00
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|
</tr>
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<tr class="- topic/row">
|
2025-07-22 11:15:46 +08:00
|
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<td class="- topic/entry entry colsep-1 rowsep-0" headers="system_interrupt_user_guide__table_kn5_ry2_f1c__entry__1"><p class="- topic/p p" data-ofbid="d205818e387__20250519091528">注意事项</p></td>
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<td class="- topic/entry entry colsep-0 rowsep-0" headers="system_interrupt_user_guide__table_kn5_ry2_f1c__entry__2"><p class="- topic/p p" data-ofbid="d205818e391__20250519091528">-</p></td>
|
2025-04-23 17:54:31 +08:00
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</tr>
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</tbody></table></div><div class="table-container"><table class="- topic/table table frame-all" id="system_interrupt_user_guide__table_ln5_ry2_f1c" data-ofbid="system_interrupt_user_guide__table_ln5_ry2_f1c" 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">aicos_irq_disable</span></caption><colgroup><col style="width:25%"/><col style="width:75%"/></colgroup><thead class="- topic/thead thead">
|
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<tr class="- topic/row">
|
2025-07-22 11:15:46 +08:00
|
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|
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<th class="- topic/entry entry colsep-1 rowsep-1" id="system_interrupt_user_guide__table_ln5_ry2_f1c__entry__1"><p class="- topic/p p" data-ofbid="d205818e413__20250519091528">函数原型</p></th>
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|
<th class="- topic/entry entry colsep-0 rowsep-1" id="system_interrupt_user_guide__table_ln5_ry2_f1c__entry__2"><p class="- topic/p p" data-ofbid="d205818e417__20250519091528">void aicos_irq_disable(unsigned int irq)</p></th>
|
2025-04-23 17:54:31 +08:00
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</tr>
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</thead><tbody class="- topic/tbody tbody">
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<tr class="- topic/row">
|
2025-07-22 11:15:46 +08:00
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<td class="- topic/entry entry colsep-1 rowsep-1" headers="system_interrupt_user_guide__table_ln5_ry2_f1c__entry__1"><p class="- topic/p p" data-ofbid="d205818e427__20250519091528">功能说明</p></td>
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<td class="- topic/entry entry colsep-0 rowsep-1" headers="system_interrupt_user_guide__table_ln5_ry2_f1c__entry__2"><p class="- topic/p p" data-ofbid="d205818e431__20250519091528">关闭中断</p></td>
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2025-04-23 17:54:31 +08:00
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</tr>
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<tr class="- topic/row">
|
2025-07-22 11:15:46 +08:00
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<td class="- topic/entry entry colsep-1 rowsep-1" headers="system_interrupt_user_guide__table_ln5_ry2_f1c__entry__1"><p class="- topic/p p" data-ofbid="d205818e438__20250519091528">参数</p></td>
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<td class="- topic/entry entry colsep-0 rowsep-1" headers="system_interrupt_user_guide__table_ln5_ry2_f1c__entry__2"><p class="- topic/p p" data-ofbid="d205818e442__20250519091528">irq：中断号</p></td>
|
2025-04-23 17:54:31 +08:00
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</tr>
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<tr class="- topic/row">
|
2025-07-22 11:15:46 +08:00
|
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<td class="- topic/entry entry colsep-1 rowsep-1" headers="system_interrupt_user_guide__table_ln5_ry2_f1c__entry__1"><p class="- topic/p p" data-ofbid="d205818e449__20250519091528">返回值</p></td>
|
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|
<td class="- topic/entry entry colsep-0 rowsep-1" headers="system_interrupt_user_guide__table_ln5_ry2_f1c__entry__2"><p class="- topic/p p" data-ofbid="d205818e453__20250519091528">无</p></td>
|
2025-04-23 17:54:31 +08:00
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</tr>
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<tr class="- topic/row">
|
2025-07-22 11:15:46 +08:00
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<td class="- topic/entry entry colsep-1 rowsep-0" headers="system_interrupt_user_guide__table_ln5_ry2_f1c__entry__1"><p class="- topic/p p" data-ofbid="d205818e460__20250519091528">注意事项</p></td>
|
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|
<td class="- topic/entry entry colsep-0 rowsep-0" headers="system_interrupt_user_guide__table_ln5_ry2_f1c__entry__2"><p class="- topic/p p" data-ofbid="d205818e464__20250519091528">-</p></td>
|
2025-04-23 17:54:31 +08:00
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</tr>
|
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</tbody></table></div><div class="table-container"><table class="- topic/table table frame-all" id="system_interrupt_user_guide__table_mn5_ry2_f1c" data-ofbid="system_interrupt_user_guide__table_mn5_ry2_f1c" 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">aicos_local_irq_enable</span></caption><colgroup><col style="width:25%"/><col style="width:75%"/></colgroup><thead class="- topic/thead thead">
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<tr class="- topic/row">
|
2025-07-22 11:15:46 +08:00
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<th class="- topic/entry entry colsep-1 rowsep-1" id="system_interrupt_user_guide__table_mn5_ry2_f1c__entry__1"><p class="- topic/p p" data-ofbid="d205818e486__20250519091528">函数原型</p></th>
|
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<th class="- topic/entry entry colsep-0 rowsep-1" id="system_interrupt_user_guide__table_mn5_ry2_f1c__entry__2"><p class="- topic/p p" data-ofbid="d205818e490__20250519091528">void aicos_local_irq_enable(void)</p></th>
|
2025-04-23 17:54:31 +08:00
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</tr>
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</thead><tbody class="- topic/tbody tbody">
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<tr class="- topic/row">
|
2025-07-22 11:15:46 +08:00
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<td class="- topic/entry entry colsep-1 rowsep-1" headers="system_interrupt_user_guide__table_mn5_ry2_f1c__entry__1"><p class="- topic/p p" data-ofbid="d205818e500__20250519091528">功能说明</p></td>
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<td class="- topic/entry entry colsep-0 rowsep-1" headers="system_interrupt_user_guide__table_mn5_ry2_f1c__entry__2"><p class="- topic/p p" data-ofbid="d205818e504__20250519091528">使能 CPU 全局中断中断</p></td>
|
2025-04-23 17:54:31 +08:00
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</tr>
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<tr class="- topic/row">
|
2025-07-22 11:15:46 +08:00
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<td class="- topic/entry entry colsep-1 rowsep-1" headers="system_interrupt_user_guide__table_mn5_ry2_f1c__entry__1"><p class="- topic/p p" data-ofbid="d205818e511__20250519091528">参数</p></td>
|
|
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|
<td class="- topic/entry entry colsep-0 rowsep-1" headers="system_interrupt_user_guide__table_mn5_ry2_f1c__entry__2"><p class="- topic/p p" data-ofbid="d205818e515__20250519091528">无</p></td>
|
2025-04-23 17:54:31 +08:00
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</tr>
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<tr class="- topic/row">
|
2025-07-22 11:15:46 +08:00
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<td class="- topic/entry entry colsep-1 rowsep-1" headers="system_interrupt_user_guide__table_mn5_ry2_f1c__entry__1"><p class="- topic/p p" data-ofbid="d205818e522__20250519091528">返回值</p></td>
|
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<td class="- topic/entry entry colsep-0 rowsep-1" headers="system_interrupt_user_guide__table_mn5_ry2_f1c__entry__2"><p class="- topic/p p" data-ofbid="d205818e526__20250519091528">无</p></td>
|
2025-04-23 17:54:31 +08:00
|
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</tr>
|
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<tr class="- topic/row">
|
2025-07-22 11:15:46 +08:00
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|
<td class="- topic/entry entry colsep-1 rowsep-0" headers="system_interrupt_user_guide__table_mn5_ry2_f1c__entry__1"><p class="- topic/p p" data-ofbid="d205818e533__20250519091528">注意事项</p></td>
|
|
|
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|
|
<td class="- topic/entry entry colsep-0 rowsep-0" headers="system_interrupt_user_guide__table_mn5_ry2_f1c__entry__2"><p class="- topic/p p" data-ofbid="d205818e537__20250519091528">-</p></td>
|
2025-04-23 17:54:31 +08:00
|
|
|
|
</tr>
|
|
|
|
|
|
</tbody></table></div><div class="table-container"><table class="- topic/table table frame-all" id="system_interrupt_user_guide__table_nn5_ry2_f1c" data-ofbid="system_interrupt_user_guide__table_nn5_ry2_f1c" 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"> 5</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">aicos_local_irq_disable</span></caption><colgroup><col style="width:25%"/><col style="width:75%"/></colgroup><thead class="- topic/thead thead">
|
|
|
|
|
|
<tr class="- topic/row">
|
2025-07-22 11:15:46 +08:00
|
|
|
|
<th class="- topic/entry entry colsep-1 rowsep-1" id="system_interrupt_user_guide__table_nn5_ry2_f1c__entry__1"><p class="- topic/p p" data-ofbid="d205818e559__20250519091528">函数原型</p></th>
|
|
|
|
|
|
<th class="- topic/entry entry colsep-0 rowsep-1" id="system_interrupt_user_guide__table_nn5_ry2_f1c__entry__2"><p class="- topic/p p" data-ofbid="d205818e563__20250519091528">void aicos_local_irq_disable(void)</p></th>
|
2025-04-23 17:54:31 +08:00
|
|
|
|
</tr>
|
|
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|
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|
</thead><tbody class="- topic/tbody tbody">
|
|
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|
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|
<tr class="- topic/row">
|
2025-07-22 11:15:46 +08:00
|
|
|
|
<td class="- topic/entry entry colsep-1 rowsep-1" headers="system_interrupt_user_guide__table_nn5_ry2_f1c__entry__1"><p class="- topic/p p" data-ofbid="d205818e573__20250519091528">功能说明</p></td>
|
|
|
|
|
|
<td class="- topic/entry entry colsep-0 rowsep-1" headers="system_interrupt_user_guide__table_nn5_ry2_f1c__entry__2"><p class="- topic/p p" data-ofbid="d205818e577__20250519091528">关闭 CPU 全局中断中断</p></td>
|
2025-04-23 17:54:31 +08:00
|
|
|
|
</tr>
|
|
|
|
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|
<tr class="- topic/row">
|
2025-07-22 11:15:46 +08:00
|
|
|
|
<td class="- topic/entry entry colsep-1 rowsep-1" headers="system_interrupt_user_guide__table_nn5_ry2_f1c__entry__1"><p class="- topic/p p" data-ofbid="d205818e584__20250519091528">参数</p></td>
|
|
|
|
|
|
<td class="- topic/entry entry colsep-0 rowsep-1" headers="system_interrupt_user_guide__table_nn5_ry2_f1c__entry__2"><p class="- topic/p p" data-ofbid="d205818e588__20250519091528">无</p></td>
|
2025-04-23 17:54:31 +08:00
|
|
|
|
</tr>
|
|
|
|
|
|
<tr class="- topic/row">
|
2025-07-22 11:15:46 +08:00
|
|
|
|
<td class="- topic/entry entry colsep-1 rowsep-1" headers="system_interrupt_user_guide__table_nn5_ry2_f1c__entry__1"><p class="- topic/p p" data-ofbid="d205818e595__20250519091528">返回值</p></td>
|
|
|
|
|
|
<td class="- topic/entry entry colsep-0 rowsep-1" headers="system_interrupt_user_guide__table_nn5_ry2_f1c__entry__2"><p class="- topic/p p" data-ofbid="d205818e599__20250519091528">无</p></td>
|
2025-04-23 17:54:31 +08:00
|
|
|
|
</tr>
|
|
|
|
|
|
<tr class="- topic/row">
|
2025-07-22 11:15:46 +08:00
|
|
|
|
<td class="- topic/entry entry colsep-1 rowsep-0" headers="system_interrupt_user_guide__table_nn5_ry2_f1c__entry__1"><p class="- topic/p p" data-ofbid="d205818e606__20250519091528">注意事项</p></td>
|
|
|
|
|
|
<td class="- topic/entry entry colsep-0 rowsep-0" headers="system_interrupt_user_guide__table_nn5_ry2_f1c__entry__2"><p class="- topic/p p" data-ofbid="d205818e610__20250519091528">-</p></td>
|
2025-04-23 17:54:31 +08:00
|
|
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|
</tr>
|
|
|
|
|
|
</tbody></table></div></div>
|
2025-01-23 16:37:00 +08:00
|
|
|
|
<div class="- topic/div div">
|
2025-07-22 11:15:46 +08:00
|
|
|
|
<p class="- topic/p p" data-ofbid="d205818e619__20250519091528"><strong class="+ topic/ph hi-d/b ph b">RTT GPIO Irq API</strong></p>
|
2025-04-23 17:54:31 +08:00
|
|
|
|
<div class="table-container"><table class="- topic/table table frame-all" id="system_interrupt_user_guide__table_on5_ry2_f1c" data-ofbid="system_interrupt_user_guide__table_on5_ry2_f1c" 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"> 6</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">rt_pin_attach_irq</span></caption><colgroup><col style="width:25%"/><col style="width:75%"/></colgroup><thead class="- topic/thead thead">
|
|
|
|
|
|
<tr class="- topic/row">
|
2025-07-22 11:15:46 +08:00
|
|
|
|
<th class="- topic/entry entry colsep-1 rowsep-1" id="system_interrupt_user_guide__table_on5_ry2_f1c__entry__1"><p class="- topic/p p" data-ofbid="d205818e639__20250519091528">函数原型</p></th>
|
|
|
|
|
|
<th class="- topic/entry entry colsep-0 rowsep-1" id="system_interrupt_user_guide__table_on5_ry2_f1c__entry__2"><p class="- topic/p p" data-ofbid="d205818e643__20250519091528">rt_err_t rt_pin_attach_irq (rt_int32_t pin, rt_uint32_t mode,
|
2025-04-23 17:54:31 +08:00
|
|
|
|
void (*hdr)(void *args), void *args)</p></th>
|
|
|
|
|
|
</tr>
|
|
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|
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|
</thead><tbody class="- topic/tbody tbody">
|
|
|
|
|
|
<tr class="- topic/row">
|
2025-07-22 11:15:46 +08:00
|
|
|
|
<td class="- topic/entry entry colsep-1 rowsep-1" headers="system_interrupt_user_guide__table_on5_ry2_f1c__entry__1"><p class="- topic/p p" data-ofbid="d205818e653__20250519091528">功能说明</p></td>
|
|
|
|
|
|
<td class="- topic/entry entry colsep-0 rowsep-1" headers="system_interrupt_user_guide__table_on5_ry2_f1c__entry__2"><p class="- topic/p p" data-ofbid="d205818e657__20250519091528">注册 gpio pin 中断</p></td>
|
2025-04-23 17:54:31 +08:00
|
|
|
|
</tr>
|
|
|
|
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|
<tr class="- topic/row">
|
2025-07-22 11:15:46 +08:00
|
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|
<td class="- topic/entry entry colsep-1 rowsep-1" headers="system_interrupt_user_guide__table_on5_ry2_f1c__entry__1"><p class="- topic/p p" data-ofbid="d205818e664__20250519091528">参数</p></td>
|
|
|
|
|
|
<td class="- topic/entry entry colsep-0 rowsep-1" headers="system_interrupt_user_guide__table_on5_ry2_f1c__entry__2"><p class="- topic/p p" data-ofbid="d205818e668__20250519091528">pin ：pin 管脚编号 mode：pin 中断模式，上升下降沿、高低电平 hdr ：pin 中断处理函数
|
2025-04-23 17:54:31 +08:00
|
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|
|
args：pin 中断附加数据</p></td>
|
|
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|
</tr>
|
|
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|
<tr class="- topic/row">
|
2025-07-22 11:15:46 +08:00
|
|
|
|
<td class="- topic/entry entry colsep-1 rowsep-1" headers="system_interrupt_user_guide__table_on5_ry2_f1c__entry__1"><p class="- topic/p p" data-ofbid="d205818e675__20250519091528">返回值</p></td>
|
|
|
|
|
|
<td class="- topic/entry entry colsep-0 rowsep-1" headers="system_interrupt_user_guide__table_on5_ry2_f1c__entry__2"><p class="- topic/p p" data-ofbid="d205818e679__20250519091528">操作是否成功 (0=OK, other=Error)</p></td>
|
2025-04-23 17:54:31 +08:00
|
|
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|
</tr>
|
|
|
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|
|
<tr class="- topic/row">
|
2025-07-22 11:15:46 +08:00
|
|
|
|
<td class="- topic/entry entry colsep-1 rowsep-0" headers="system_interrupt_user_guide__table_on5_ry2_f1c__entry__1"><p class="- topic/p p" data-ofbid="d205818e686__20250519091528">注意事项</p></td>
|
|
|
|
|
|
<td class="- topic/entry entry colsep-0 rowsep-0" headers="system_interrupt_user_guide__table_on5_ry2_f1c__entry__2"><p class="- topic/p p" data-ofbid="d205818e690__20250519091528">-</p></td>
|
2025-04-23 17:54:31 +08:00
|
|
|
|
</tr>
|
|
|
|
|
|
</tbody></table></div>
|
|
|
|
|
|
<div class="table-container"><table class="- topic/table table frame-all" id="system_interrupt_user_guide__table_pn5_ry2_f1c" data-ofbid="system_interrupt_user_guide__table_pn5_ry2_f1c" 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"> 7</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">rt_pin_detach_irq</span></caption><colgroup><col style="width:25%"/><col style="width:75%"/></colgroup><thead class="- topic/thead thead">
|
|
|
|
|
|
<tr class="- topic/row">
|
2025-07-22 11:15:46 +08:00
|
|
|
|
<th class="- topic/entry entry colsep-1 rowsep-1" id="system_interrupt_user_guide__table_pn5_ry2_f1c__entry__1"><p class="- topic/p p" data-ofbid="d205818e713__20250519091528">函数原型</p></th>
|
|
|
|
|
|
<th class="- topic/entry entry colsep-0 rowsep-1" id="system_interrupt_user_guide__table_pn5_ry2_f1c__entry__2"><p class="- topic/p p" data-ofbid="d205818e717__20250519091528">rt_err_t rt_pin_detach_irq(rt_int32_t pin)</p></th>
|
2025-04-23 17:54:31 +08:00
|
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|
</tr>
|
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</thead><tbody class="- topic/tbody tbody">
|
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|
<tr class="- topic/row">
|
2025-07-22 11:15:46 +08:00
|
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|
<td class="- topic/entry entry colsep-1 rowsep-1" headers="system_interrupt_user_guide__table_pn5_ry2_f1c__entry__1"><p class="- topic/p p" data-ofbid="d205818e727__20250519091528">功能说明</p></td>
|
|
|
|
|
|
<td class="- topic/entry entry colsep-0 rowsep-1" headers="system_interrupt_user_guide__table_pn5_ry2_f1c__entry__2"><p class="- topic/p p" data-ofbid="d205818e731__20250519091528">注销 gpio pin 中断</p></td>
|
2025-04-23 17:54:31 +08:00
|
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|
</tr>
|
|
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|
<tr class="- topic/row">
|
2025-07-22 11:15:46 +08:00
|
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|
<td class="- topic/entry entry colsep-1 rowsep-1" headers="system_interrupt_user_guide__table_pn5_ry2_f1c__entry__1"><p class="- topic/p p" data-ofbid="d205818e738__20250519091528">参数</p></td>
|
|
|
|
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|
<td class="- topic/entry entry colsep-0 rowsep-1" headers="system_interrupt_user_guide__table_pn5_ry2_f1c__entry__2"><p class="- topic/p p" data-ofbid="d205818e742__20250519091528">pin：pin 管脚编号</p></td>
|
2025-04-23 17:54:31 +08:00
|
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|
|
</tr>
|
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<tr class="- topic/row">
|
2025-07-22 11:15:46 +08:00
|
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<td class="- topic/entry entry colsep-1 rowsep-1" headers="system_interrupt_user_guide__table_pn5_ry2_f1c__entry__1"><p class="- topic/p p" data-ofbid="d205818e749__20250519091528">返回值</p></td>
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<td class="- topic/entry entry colsep-0 rowsep-1" headers="system_interrupt_user_guide__table_pn5_ry2_f1c__entry__2"><p class="- topic/p p" data-ofbid="d205818e753__20250519091528">操作是否成功 (0=OK, other=Error)</p></td>
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2025-04-23 17:54:31 +08:00
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</tr>
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<tr class="- topic/row">
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2025-07-22 11:15:46 +08:00
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<td class="- topic/entry entry colsep-1 rowsep-0" headers="system_interrupt_user_guide__table_pn5_ry2_f1c__entry__1"><p class="- topic/p p" data-ofbid="d205818e760__20250519091528">注意事项</p></td>
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<td class="- topic/entry entry colsep-0 rowsep-0" headers="system_interrupt_user_guide__table_pn5_ry2_f1c__entry__2"><p class="- topic/p p" data-ofbid="d205818e764__20250519091528">-</p></td>
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2025-04-23 17:54:31 +08:00
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</tr>
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</tbody></table></div>
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<div class="table-container"><table class="- topic/table table frame-all" id="system_interrupt_user_guide__table_qn5_ry2_f1c" data-ofbid="system_interrupt_user_guide__table_qn5_ry2_f1c" 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"> 8</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">rt_pin_irq_enable</span></caption><colgroup><col style="width:25%"/><col style="width:75%"/></colgroup><thead class="- topic/thead thead">
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<tr class="- topic/row">
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<th class="- topic/entry entry colsep-1 rowsep-1" id="system_interrupt_user_guide__table_qn5_ry2_f1c__entry__1"><p class="- topic/p p" data-ofbid="d205818e787__20250519091528">函数原型</p></th>
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<th class="- topic/entry entry colsep-0 rowsep-1" id="system_interrupt_user_guide__table_qn5_ry2_f1c__entry__2"><p class="- topic/p p" data-ofbid="d205818e791__20250519091528">rt_err_t rt_pin_irq_enable(rt_base_t pin, rt_uint32_t
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enabled)</p></th>
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</tr>
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</thead><tbody class="- topic/tbody tbody">
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<tr class="- topic/row">
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2025-07-22 11:15:46 +08:00
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<td class="- topic/entry entry colsep-1 rowsep-1" headers="system_interrupt_user_guide__table_qn5_ry2_f1c__entry__1"><p class="- topic/p p" data-ofbid="d205818e801__20250519091528">功能说明</p></td>
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<td class="- topic/entry entry colsep-0 rowsep-1" headers="system_interrupt_user_guide__table_qn5_ry2_f1c__entry__2"><p class="- topic/p p" data-ofbid="d205818e805__20250519091528">使能/关闭 gpio pin 中断</p></td>
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2025-04-23 17:54:31 +08:00
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</tr>
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<tr class="- topic/row">
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2025-07-22 11:15:46 +08:00
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<td class="- topic/entry entry colsep-1 rowsep-1" headers="system_interrupt_user_guide__table_qn5_ry2_f1c__entry__1"><p class="- topic/p p" data-ofbid="d205818e812__20250519091528">参数</p></td>
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<td class="- topic/entry entry colsep-0 rowsep-1" headers="system_interrupt_user_guide__table_qn5_ry2_f1c__entry__2"><p class="- topic/p p" data-ofbid="d205818e816__20250519091528">pin ：pin 管脚编号 enabled：使能/关闭</p></td>
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2025-04-23 17:54:31 +08:00
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</tr>
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<tr class="- topic/row">
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2025-07-22 11:15:46 +08:00
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<td class="- topic/entry entry colsep-1 rowsep-1" headers="system_interrupt_user_guide__table_qn5_ry2_f1c__entry__1"><p class="- topic/p p" data-ofbid="d205818e823__20250519091528">返回值</p></td>
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<td class="- topic/entry entry colsep-0 rowsep-1" headers="system_interrupt_user_guide__table_qn5_ry2_f1c__entry__2"><p class="- topic/p p" data-ofbid="d205818e827__20250519091528">操作是否成功 (0=OK, other=Error)</p></td>
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2025-04-23 17:54:31 +08:00
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</tr>
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<tr class="- topic/row">
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2025-07-22 11:15:46 +08:00
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<td class="- topic/entry entry colsep-1 rowsep-0" headers="system_interrupt_user_guide__table_qn5_ry2_f1c__entry__1"><p class="- topic/p p" data-ofbid="d205818e834__20250519091528">注意事项</p></td>
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<td class="- topic/entry entry colsep-0 rowsep-0" headers="system_interrupt_user_guide__table_qn5_ry2_f1c__entry__2"><p class="- topic/p p" data-ofbid="d205818e838__20250519091528">-</p></td>
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2025-04-23 17:54:31 +08:00
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</tr>
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</tbody></table></div>
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2025-01-23 16:37:00 +08:00
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</div>
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2025-04-23 17:54:31 +08:00
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</section>
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</article></main></div>
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2025-01-23 16:37:00 +08:00
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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="#system_interrupt_user_guide__section_bn5_ry2_f1c" data-tocid="system_interrupt_user_guide__section_bn5_ry2_f1c">模块架构</a></div></li><li class="section-item"><div class="section-title"><a href="#system_interrupt_user_guide__section_hn5_ry2_f1c" data-tocid="system_interrupt_user_guide__section_hn5_ry2_f1c">数据结构设计</a></div></li><li class="section-item"><div class="section-title"><a href="#system_interrupt_user_guide__section_ltc_zy2_f1c" data-tocid="system_interrupt_user_guide__section_ltc_zy2_f1c">接口设计</a></div></li></ul></div>
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