doc/topics/sdk/cir/cir_config.html

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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"><span class="edit-link" style="font-size:12px; opacity:0.6; text-align:right; vertical-align:middle"><a target="_blank" href="http://172.16.35.88/tasks/jdssno1uvvbf2mltu9kb9v3if05d5gopuakboe8hlud18rma/edit/F:/aicdita/aicdita-cn/topics/sdk/cir/cir_config.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">CIR 配置</h1><div class="date inPage">10 Dec 2024</div><div style="color: gray;">
                    Read time: 1 minute(s)
                </div><div class="- topic/body concept/conbody body conbody"><section class="- topic/section section" id="cir_configuration__section_jhn_vr3_pdc" data-ofbid="cir_configuration__section_jhn_vr3_pdc"><h2 class="- topic/title title sectiontitle">内核配置</h2>
            
            <pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="cir_configuration__codeblock_m2n_rdn_d1c" data-ofbid="cir_configuration__codeblock_m2n_rdn_d1c">Device Drivers
    &lt;*&gt; Remote Controller support---&gt;
            [*] LIRC user interface
            [*] Remote controller decoders---&gt;
                    &lt;*&gt; Enable IR raw decoder <strong class="hl-keyword">for</strong> the NEC protocol
                    &lt; &gt; Enable IR raw decoder <strong class="hl-keyword">for</strong> the RC-<span class="hl-number">5</span> protocol
                    &lt; &gt; Enable IR raw decoder <strong class="hl-keyword">for</strong> the RC-<span class="hl-number">6</span> protocol
                    &lt; &gt; Enable IR raw decoder <strong class="hl-keyword">for</strong> the Sony protocol
                    &lt; &gt; Enable IR raw decoder <strong class="hl-keyword">for</strong> the Sanyo protocol
            [*] Remote Controller devices---&gt;
                    &lt;*&gt; ArtInChip IR remote control
</pre>
            <p class="- topic/p p" data-ofbid="d80668e30__20250121171525">上图只是说明需要选择相应的红外协议，实际使用中可根据需要选择相应协议，CIR 模块驱动可支持的协议包括 NEC、RC5、RC6、Sony、Sanyo。</p>
        </section><section class="- topic/section section" id="cir_configuration__section_wzj_5r3_pdc" data-ofbid="cir_configuration__section_wzj_5r3_pdc"><h2 class="- topic/title title sectiontitle">DTS 配置</h2>
            
            <div class="- topic/p p" data-ofbid="d80668e38__20250121171525">
                <ul class="- topic/ul ul" id="cir_configuration__ul_cmx_vm3_pdc" data-ofbid="cir_configuration__ul_cmx_vm3_pdc"><li class="- topic/li li" data-ofbid="d80668e41__20250121171525">
                        <p class="- topic/p p" data-ofbid="d80668e43__20250121171525">D211 配置</p>
                        <div class="- topic/p p" data-ofbid="d80668e46__20250121171525">CIR
                            模块基本配置<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="cir_configuration__codeblock_o2n_rdn_d1c" data-ofbid="cir_configuration__codeblock_o2n_rdn_d1c">cir: cir@<span class="hl-number">19260000</span> {
    compatible = <span class="hl-string">"artinchip,aic-cir-v1.0"</span>;
    reg = &lt;<span class="hl-number">0x0</span> <span class="hl-number">0x19260000</span> <span class="hl-number">0x0</span> <span class="hl-number">0x400</span>&gt;;
    interrupts-extended = &lt;&amp;plic0 <span class="hl-number">95</span> IRQ_TYPE_LEVEL_HIGH&gt;;
    clocks = &lt;&amp;cmu CLK_CIR&gt;;
    resets = &lt;&amp;rst RESET_CIR&gt;;
};
</pre></div>
                    </li><li class="- topic/li li" data-ofbid="d80668e51__20250121171525">
                        <p class="- topic/p p" data-ofbid="d80668e53__20250121171525"><span class="+ topic/ph sw-d/filepath ph filepath">xxx/board.dts</span> 配置</p>
                        <pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="cir_configuration__codeblock_p2n_rdn_d1c" data-ofbid="cir_configuration__codeblock_p2n_rdn_d1c">&amp;cir {
    pinctrl-names = <span class="hl-string">"default"</span>;
    pinctrl-<span class="hl-number">0</span> = &lt;&amp;cir_pins_a&gt;;
    rx-level = &lt;<span class="hl-number">1</span>&gt;;
    linux,rc-map-name = <span class="hl-string">"rc-empty"</span>;
    status = <span class="hl-string">"okay"</span>;
};
</pre>
                        <dl class="- topic/dl dl" id="cir_configuration__dl_sfm_xm3_pdc" data-ofbid="cir_configuration__dl_sfm_xm3_pdc"><dt class="- topic/dt dt dlterm" data-ofbid="d80668e63__20250121171525">参数</dt><dd class="- topic/dd dd"><span class="+ topic/keyword pr-d/parmname keyword parmname">rx-level</span><div class="- topic/p p" data-ofbid="d80668e68__20250121171525">配置值与 PCB 板的硬件电路设计相关：<ul class="- topic/ul ul" id="cir_configuration__ol_q2n_rdn_d1c" data-ofbid="cir_configuration__ol_q2n_rdn_d1c"><li class="- topic/li li" data-ofbid="d80668e71__20250121171525">
                                                <p class="- topic/p p" data-ofbid="d80668e73__20250121171525">1，表示在空闲状态下，RX 为高电平，激活状态下为低电平。</p>
                                            </li><li class="- topic/li li" data-ofbid="d80668e76__20250121171525">
                                                <p class="- topic/p p" data-ofbid="d80668e78__20250121171525">0，表示在空闲状态下，RX 为低电平，激活状态下为高电平。</p>
                                            </li></ul></div></dd><dd class="- topic/dd dd ddexpand"><span class="+ topic/keyword pr-d/parmname keyword parmname">linux,rc-map-name</span></dd><dd class="- topic/dd dd ddexpand">红外模块使用的<span class="+ topic/keyword pr-d/parmname keyword parmname">“keycode-scancode”</span>映射表，默认使用内核中的空表，该属性可设置的值可参考
                                        <span class="+ topic/ph sw-d/filepath ph filepath">rc-map.h</span></dd></dl>
                        <p class="- topic/p p" data-ofbid="d80668e92__20250121171525"> </p>
                    </li></ul>
            </div>
        </section></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="#cir_configuration__section_jhn_vr3_pdc" data-tocid="cir_configuration__section_jhn_vr3_pdc">内核配置</a></div></li><li class="section-item"><div class="section-title"><a href="#cir_configuration__section_wzj_5r3_pdc" data-tocid="cir_configuration__section_wzj_5r3_pdc">DTS 配置</a></div></li></ul></div>
	                        	
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