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class="topicref" data-id="id" data-state="leaf"><span role="button" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/uart/uart_design_lite.html" id="id-d3752e6617-link">设计说明</a></div></div></li><li role="treeitem"><div data-tocid="uart_common_issues-d3752e6631" class="topicref" data-id="uart_common_issues" data-state="leaf"><span role="button" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/uart/uart_faq.html" id="uart_common_issues-d3752e6631-link">常见问题</a></div></div></li></ul></li><li role="treeitem" aria-expanded="false"><div data-tocid="usb_user_guide-d3752e6645" class="topicref" data-id="usb_user_guide" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action usb_user_guide-d3752e6645-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/usb/usb_user_guide.html" id="usb_user_guide-d3752e6645-link">USB 使用指南</a></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="id-d3752e6715" class="topicref" data-id="id" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action id-d3752e6715-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/mac/mac_user_guide.html" id="id-d3752e6715-link">MAC 使用指南</a></div></div></li></ul></li><li role="treeitem" aria-expanded="false"><div data-tocid="chapter-safety-d3752e6799" class="topicref" data-id="chapter-safety" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action chapter-safety-d3752e6799-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/chapter-title/chapter-safety-sdk.html" id="chapter-safety-d3752e6799-link">安全</a><div class="wh-tooltip"><p class="shortdesc">SPI ENC、CE、eFuse 等安全模块的介绍和使用说明。</p></div></div></div></li></ul></li></ul></div>
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<div class=" wh_topic_content body "><main role="main"><article class="- topic/topic topic" 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/uart/uart_config_lite.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">参数配置</h1>
|
||
<div class="date inPage">16 May 2025</div><div style="color: gray;">
|
||
Read time: 5 minute(s)
|
||
</div>
|
||
<div class="- topic/body body">
|
||
<div class="- topic/p p" data-ofbid="d147205e28__20250519091521">在
|
||
<span class="- topic/ph ph">Luban-Lite</span> 中配置
|
||
UART
|
||
需要需要执行多个步骤，包括：<ul class="- topic/ul ul" id="id__ul_hdn_jvm_fdc" data-ofbid="id__ul_hdn_jvm_fdc">
|
||
<li class="- topic/li li" data-ofbid="d147205e35__20250519091521"><a class="- topic/xref xref" href="uart_config_lite.html#id__section_y14_3vm_fdc">配置 SoC 中 UART 的相关信息</a></li>
|
||
<li class="- topic/li li" data-ofbid="d147205e40__20250519091521"><a class="- topic/xref xref" href="uart_config_lite.html#id__section_bb4_3vm_fdc">配置 Board 需要使用的 UART 端口和 Pinmux</a></li>
|
||
<li class="- topic/li li" data-ofbid="d147205e45__20250519091521"><a class="- topic/xref xref" href="uart_config_lite.html#id__section_eb4_3vm_fdc">配置驱动的工作参数</a></li>
|
||
<li class="- topic/li li" data-ofbid="d147205e50__20250519091521"><a class="- topic/xref xref" href="uart_config_lite.html#id__section_fb4_3vm_fdc">配置功能参数</a></li>
|
||
</ul></div>
|
||
|
||
<section class="- topic/section section" id="id__section_y14_3vm_fdc" data-ofbid="id__section_y14_3vm_fdc"><h2 class="- topic/title title sectiontitle">配置
|
||
SoC
|
||
中 UART
|
||
的相关信息</h2>
|
||
|
||
<div class="- topic/p p" data-ofbid="d147205e61__20250519091521">在
|
||
<span class="+ topic/ph sw-d/filepath ph filepath">bsp/artinchip/sys/soc
|
||
name/Kconfig.chip</span>
|
||
中，配置
|
||
SoC
|
||
的
|
||
UART
|
||
相关信息。SDK
|
||
默认已经完成设置，一般不需要调整。<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_jtd_5tm_fdc" data-ofbid="id__codeblock_jtd_5tm_fdc">config AIC_UART_DRV
|
||
bool
|
||
<strong class="hl-keyword">default</strong> n
|
||
|
||
config AIC_UART_DRV_V10
|
||
bool
|
||
<strong class="hl-keyword">default</strong> y <strong class="hl-keyword">if</strong> AIC_UART_DRV
|
||
|
||
config AIC_UART_DRV_VER
|
||
string
|
||
<strong class="hl-keyword">default</strong> <span class="hl-string">"10"</span> <strong class="hl-keyword">if</strong> AIC_UART_DRV_V10
|
||
|
||
config AIC_UART_DEV_NUM
|
||
<strong class="hl-keyword">int</strong>
|
||
<strong class="hl-keyword">default</strong> <span class="hl-number">8</span> <strong class="hl-keyword">if</strong> AIC_UART_DRV</pre></div>
|
||
|
||
<div class="table-container"><table class="- topic/table table frame-all" id="id__table_y4q_p2n_fdc" data-ofbid="id__table_y4q_p2n_fdc" 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">SoC 中的 UART 信息参数</span></caption><colgroup><col style="width:28.08988764044944%"/><col style="width:71.91011235955057%"/></colgroup><thead class="- topic/thead thead">
|
||
<tr class="- topic/row">
|
||
<th class="- topic/entry entry colsep-1 rowsep-1" id="id__table_y4q_p2n_fdc__entry__1"><p class="- topic/p p" data-ofbid="d147205e85__20250519091521">参数</p></th>
|
||
<th class="- topic/entry entry colsep-0 rowsep-1" id="id__table_y4q_p2n_fdc__entry__2"><p class="- topic/p p" data-ofbid="d147205e89__20250519091521">描述</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_y4q_p2n_fdc__entry__1"><p class="- topic/p p" data-ofbid="d147205e99__20250519091521">AIC_UART_DRV</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_y4q_p2n_fdc__entry__2">启用或禁用 UART 驱动。<p class="- topic/p p" data-ofbid="d147205e104__20250519091521">默认值 <code class="+ topic/ph pr-d/codeph ph codeph">n</code>，表示禁用。</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_y4q_p2n_fdc__entry__1"><p class="- topic/p p" data-ofbid="d147205e114__20250519091521">AIC_UART_DRV_V10</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_y4q_p2n_fdc__entry__2">启用 UART 驱动版本。<p class="- topic/p p" data-ofbid="d147205e119__20250519091521">如果启用了 UART 驱动，可以进一步配置其版本。默认情况下，如果启用了 UART
|
||
驱动，则启用版本 10（<code class="+ topic/ph pr-d/codeph ph codeph">y</code>）。</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_y4q_p2n_fdc__entry__1"><p class="- topic/p p" data-ofbid="d147205e129__20250519091521">AIC_UART_DRV_VER</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_y4q_p2n_fdc__entry__2">设置 UART 驱动的版本号。<p class="- topic/p p" data-ofbid="d147205e134__20250519091521">默认情况下，如果启用了版本 10，则版本号为 10。</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-0" headers="id__table_y4q_p2n_fdc__entry__1"><p class="- topic/p p" data-ofbid="d147205e141__20250519091521">AIC_UART_DEV_NUM</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_y4q_p2n_fdc__entry__2">配置系统中的 UART 设备数量。<p class="- topic/p p" data-ofbid="d147205e146__20250519091521">默认情况下，如果启用了 UART 驱动，则设备数量为 8。</p></td>
|
||
</tr>
|
||
</tbody></table></div>
|
||
|
||
</section>
|
||
|
||
<section class="- topic/section section" id="id__section_bb4_3vm_fdc" data-ofbid="id__section_bb4_3vm_fdc"><h2 class="- topic/title title sectiontitle">配置
|
||
Board
|
||
需要使用的 UART 端口和 Pinmux
|
||
</h2>
|
||
|
||
<div class="- topic/p p" data-ofbid="d147205e159__20250519091521">在
|
||
<span class="+ topic/ph sw-d/filepath ph filepath">target/soc
|
||
name/board name/</span>
|
||
目录中，设置要用到的
|
||
UART 端口和相应端口的
|
||
Pinmux，具体步骤如下：<ol class="- topic/ol ol" id="id__ol_wqz_4fn_fdc" data-ofbid="id__ol_wqz_4fn_fdc">
|
||
<li class="- topic/li li" data-ofbid="d147205e166__20250519091521">
|
||
<p class="- topic/p p" data-ofbid="d147205e168__20250519091521">在 <span class="+ topic/ph sw-d/filepath ph filepath">target/soc name/board name/Kconfig.board</span>
|
||
中，设置开发板需要的 UART 相关信息， 一般会配置需要的 UART 端口。SDK 已经完成设置，默认不需要调整。</p>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d147205e175__20250519091521">
|
||
<p class="- topic/p p" data-ofbid="d147205e177__20250519091521">根据开发板的型号，在 <span class="+ topic/ph sw-d/filepath ph filepath">target/soc name/board name/pinmux.c</span> 中设置
|
||
UART 端口的 pinmux。</p>
|
||
</li>
|
||
</ol></div>
|
||
|
||
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_hb4_3vm_fdc" data-ofbid="id__codeblock_hb4_3vm_fdc">config AIC_USING_UART0
|
||
bool <span class="hl-string">"Using UART0"</span>
|
||
<strong class="hl-keyword">default</strong> n
|
||
select AIC_UART_DRV
|
||
|
||
config AIC_USING_UART1
|
||
bool <span class="hl-string">"Using UART1"</span>
|
||
<strong class="hl-keyword">default</strong> n
|
||
select AIC_UART_DR</pre>
|
||
<div class="table-container"><table class="- topic/table table frame-all" id="id__table_zr1_3fn_fdc" data-ofbid="id__table_zr1_3fn_fdc" 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">UART 端口和 Pinmux 参数</span></caption><colgroup><col style="width:20.40816326530612%"/><col style="width:79.59183673469387%"/></colgroup><thead class="- topic/thead thead">
|
||
<tr class="- topic/row">
|
||
<th class="- topic/entry entry colsep-1 rowsep-1" id="id__table_zr1_3fn_fdc__entry__1"><p class="- topic/p p" data-ofbid="d147205e206__20250519091521">参数</p></th>
|
||
<th class="- topic/entry entry colsep-0 rowsep-1" id="id__table_zr1_3fn_fdc__entry__2"><p class="- topic/p p" data-ofbid="d147205e210__20250519091521">描述</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_zr1_3fn_fdc__entry__1"><p class="- topic/p p" data-ofbid="d147205e220__20250519091521">AIC_USING_UART0</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_zr1_3fn_fdc__entry__2"><p class="- topic/p p" data-ofbid="d147205e224__20250519091521">-</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-0" headers="id__table_zr1_3fn_fdc__entry__1"><p class="- topic/p p" data-ofbid="d147205e231__20250519091521">AIC_USING_UART1</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_zr1_3fn_fdc__entry__2"><p class="- topic/p p" data-ofbid="d147205e235__20250519091521">-</p></td>
|
||
</tr>
|
||
</tbody></table></div>
|
||
|
||
|
||
</section>
|
||
|
||
|
||
<section class="- topic/section section" id="id__section_eb4_3vm_fdc" data-ofbid="id__section_eb4_3vm_fdc"><h2 class="- topic/title title sectiontitle">配置驱动的工作参数</h2>
|
||
|
||
<p class="- topic/p p" data-ofbid="d147205e252__20250519091521">根据需要，在
|
||
<span class="+ topic/ph sw-d/filepath ph filepath">bsp/artinchip/drv/UART/Kconfig.dev</span>
|
||
中设置设备驱动的工作参数：</p>
|
||
|
||
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_uhc_wtm_fdc" data-ofbid="id__codeblock_uhc_wtm_fdc">config AIC_DEV_UART0_BAUDRATE
|
||
<strong class="hl-keyword">int</strong> <span class="hl-string">"UART0 baudrate"</span>
|
||
<strong class="hl-keyword">default</strong> <span class="hl-number">115200</span>
|
||
|
||
config AIC_DEV_UART0_DATABITS
|
||
<strong class="hl-keyword">int</strong> <span class="hl-string">"UART0 data bits"</span>
|
||
range <span class="hl-number">0</span> <span class="hl-number">15</span>
|
||
<strong class="hl-keyword">default</strong> <span class="hl-number">8</span>
|
||
|
||
config AIC_DEV_UART0_STOPBITS
|
||
<strong class="hl-keyword">int</strong> <span class="hl-string">"UART0 stop bits"</span>
|
||
range <span class="hl-number">0</span> <span class="hl-number">3</span>
|
||
<strong class="hl-keyword">default</strong> <span class="hl-number">1</span></pre>
|
||
|
||
|
||
<ul class="- topic/ul ul simple" id="id__ul_jb4_3vm_fdc" data-ofbid="id__ul_jb4_3vm_fdc">
|
||
<li class="- topic/li li" data-ofbid="d147205e265__20250519091521">
|
||
<p class="- topic/p p" data-ofbid="d147205e267__20250519091521">AIC_DEV_UART0_BAUDRATE：波特率，默认值 115200。</p>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d147205e271__20250519091521">
|
||
<p class="- topic/p p" data-ofbid="d147205e273__20250519091521">AIC_DEV_UART0_DATABITS：数据位，表示每个字符的数据位数，配置范围为 0-15，默认值为 8。</p>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d147205e277__20250519091521">
|
||
<p class="- topic/p p" data-ofbid="d147205e279__20250519091521">AIC_DEV_UART0_STOPBITS：停止位，表示每个字符后的停止位数，配置范围为 0 到 3，默认值为 1。</p>
|
||
</li>
|
||
|
||
<li class="- topic/li li" data-ofbid="d147205e285__20250519091521">
|
||
<p class="- topic/p p" data-ofbid="d147205e287__20250519091521">parity：校验位，用于错误检测。常见的值有 0（无校验），1（奇校验），2（偶校验）。</p>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d147205e292__20250519091521">
|
||
<p class="- topic/p p" data-ofbid="d147205e294__20250519091521">flow control：流控，用于控制数据传输速率。常见的值有 0（无流控），1（硬件流控），2（软件流控），3（软硬流控）。</p>
|
||
</li>
|
||
</ul>
|
||
|
||
</section>
|
||
|
||
<section class="- topic/section section" id="id__section_fb4_3vm_fdc" data-ofbid="id__section_fb4_3vm_fdc"><h2 class="- topic/title title sectiontitle">配置功能参数</h2>
|
||
|
||
<p class="- topic/p p" data-ofbid="d147205e310__20250519091521">在
|
||
<span class="- topic/ph ph">Luban-Lite</span>
|
||
根目录下，执行
|
||
<code class="+ topic/ph pr-d/codeph ph codeph">scons
|
||
--menuconfig</code>，进入功能配置界面并配置相关参数：</p>
|
||
|
||
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_kb4_3vm_fdc" data-ofbid="id__codeblock_kb4_3vm_fdc">Board options -->
|
||
UART0 parameter --->
|
||
(<span class="hl-number">48000000</span>) UART0 clk frequence
|
||
(<span class="hl-number">115200</span>) UART0 baudrate
|
||
(<span class="hl-number">8</span>) UART0 data bits
|
||
(<span class="hl-number">1</span>) UART0 stop bits
|
||
(<span class="hl-number">0</span>) UART0 parity (<span class="hl-number">0</span>=none, <span class="hl-number">1</span>=odd, <span class="hl-number">2</span>=even)
|
||
UART0 protocol (RS232) --->
|
||
UART0 mode (RS232 normal) --->
|
||
[ ] Enable UART0 dma mode</pre>
|
||
|
||
|
||
<div class="table-container"><table class="- topic/table table frame-all" id="id__table_tms_mxm_fdc" data-ofbid="id__table_tms_mxm_fdc" data-cols="3"><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">功能参数描述</span></caption><colgroup><col style="width:12.330456226880395%"/><col style="width:35.75832305795315%"/><col style="width:51.911220715166465%"/></colgroup><thead class="- topic/thead thead">
|
||
<tr class="- topic/row">
|
||
<th class="- topic/entry entry colsep-1 rowsep-1" id="id__table_tms_mxm_fdc__entry__1"><p class="- topic/p p" data-ofbid="d147205e340__20250519091521">参数</p></th>
|
||
<th class="- topic/entry entry colsep-1 rowsep-1" id="id__table_tms_mxm_fdc__entry__2"><p class="- topic/p p" data-ofbid="d147205e344__20250519091521">描述</p></th>
|
||
|
||
<th class="- topic/entry entry colsep-0 rowsep-1" id="id__table_tms_mxm_fdc__entry__3"><p class="- topic/p p" data-ofbid="d147205e348__20250519091521">备注</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_tms_mxm_fdc__entry__1"><p class="- topic/p p" data-ofbid="d147205e358__20250519091521">clk frequence</p></td>
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_tms_mxm_fdc__entry__2">
|
||
<p class="- topic/p p" data-ofbid="d147205e363__20250519091521">时钟频率</p>
|
||
</td>
|
||
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_tms_mxm_fdc__entry__3"><p class="- topic/p p" data-ofbid="d147205e368__20250519091521">建议参考用户手册中
|
||
CMU 的模块时钟章节，修改不同波特率对应的 clk
|
||
frequence，以免出现误码的情况。</p></td>
|
||
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_tms_mxm_fdc__entry__1"><p class="- topic/p p" data-ofbid="d147205e375__20250519091521">baudrate</p></td>
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_tms_mxm_fdc__entry__2">
|
||
<p class="- topic/p p" data-ofbid="d147205e380__20250519091521">波特率</p>
|
||
</td>
|
||
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_tms_mxm_fdc__entry__3">
|
||
|
||
<p class="- topic/p p" data-ofbid="d147205e386__20250519091521">默认值： 115200</p>
|
||
|
||
</td>
|
||
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_tms_mxm_fdc__entry__1"><p class="- topic/p p" data-ofbid="d147205e394__20250519091521">data bits</p></td>
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_tms_mxm_fdc__entry__2">
|
||
<p class="- topic/p p" data-ofbid="d147205e399__20250519091521">数据位，表示每个字符的数据位数</p>
|
||
</td>
|
||
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_tms_mxm_fdc__entry__3"><p class="- topic/p p" data-ofbid="d147205e404__20250519091521">配置范围为
|
||
0-15，默认值为 8</p></td>
|
||
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_tms_mxm_fdc__entry__1"><p class="- topic/p p" data-ofbid="d147205e411__20250519091521">stop bits</p></td>
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_tms_mxm_fdc__entry__2">
|
||
<p class="- topic/p p" data-ofbid="d147205e416__20250519091521">停止位，表示每个字符后的停止位数</p>
|
||
</td>
|
||
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_tms_mxm_fdc__entry__3">
|
||
|
||
<p class="- topic/p p" data-ofbid="d147205e422__20250519091521">配置范围为 0 到 3，默认值为 1。</p>
|
||
|
||
</td>
|
||
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_tms_mxm_fdc__entry__1"><p class="- topic/p p" data-ofbid="d147205e430__20250519091521">parity</p></td>
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_tms_mxm_fdc__entry__2"><p class="- topic/p p" data-ofbid="d147205e434__20250519091521">校验位，用于错误检测</p></td>
|
||
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_tms_mxm_fdc__entry__3"><div class="- topic/p p" data-ofbid="d147205e438__20250519091521">
|
||
|
||
<ul class="- topic/ul ul" data-ofbid="d147205e440__20250519091521">
|
||
<li class="- topic/li li" data-ofbid="d147205e442__20250519091521">0=none，无检验</li>
|
||
<li class="- topic/li li" data-ofbid="d147205e445__20250519091521">1=odd，奇校验</li>
|
||
<li class="- topic/li li" data-ofbid="d147205e448__20250519091521">2=even，偶校验</li>
|
||
</ul>
|
||
|
||
</div></td>
|
||
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_tms_mxm_fdc__entry__1"><p class="- topic/p p" data-ofbid="d147205e458__20250519091521">protocol</p></td>
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_tms_mxm_fdc__entry__2">
|
||
<p class="- topic/p p" data-ofbid="d147205e463__20250519091521">协议类型</p>
|
||
</td>
|
||
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_tms_mxm_fdc__entry__3">
|
||
|
||
<div class="- topic/p p" data-ofbid="d147205e469__20250519091521">可配置参数：<ul class="- topic/ul ul" data-ofbid="d147205e471__20250519091521">
|
||
<li class="- topic/li li" data-ofbid="d147205e473__20250519091521">RS232 协议</li>
|
||
<li class="- topic/li li" data-ofbid="d147205e476__20250519091521">RS485 协议</li>
|
||
</ul></div>
|
||
|
||
</td>
|
||
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_tms_mxm_fdc__entry__1"><p class="- topic/p p" data-ofbid="d147205e485__20250519091521">mode</p></td>
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_tms_mxm_fdc__entry__2">
|
||
<p class="- topic/p p" data-ofbid="d147205e490__20250519091521">模式</p>
|
||
</td>
|
||
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_tms_mxm_fdc__entry__3"><p class="- topic/p p" data-ofbid="d147205e495__20250519091521">根据协议类型，选择对应的模式。关于模式的详细说明，可查看<a class="- topic/xref xref" href="uart_config_lite.html#id__id5">配置模式参数</a></p></td>
|
||
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-0" headers="id__table_tms_mxm_fdc__entry__1"><p class="- topic/p p" data-ofbid="d147205e505__20250519091521">Enable UART0 dma mode</p></td>
|
||
<td class="- topic/entry entry colsep-1 rowsep-0" headers="id__table_tms_mxm_fdc__entry__2"><p class="- topic/p p" data-ofbid="d147205e509__20250519091521">是否使能 DMA 模式</p></td>
|
||
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_tms_mxm_fdc__entry__3"><p class="- topic/p p" data-ofbid="d147205e513__20250519091521">-</p></td>
|
||
|
||
</tr>
|
||
</tbody></table></div>
|
||
|
||
<div class="- topic/div div section" id="id__id5">
|
||
<strong class="+ topic/ph hi-d/b ph b">配置模式参数</strong>
|
||
<p class="- topic/p p" data-ofbid="d147205e525__20250519091521">根据不同的协议类型，在
|
||
UART mode
|
||
中选择不同的模式，例如选择
|
||
RS232 unauto flow
|
||
control：</p><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_lb4_3vm_fdc" data-ofbid="id__codeblock_lb4_3vm_fdc">Board options -->
|
||
[*] Using UART0
|
||
UART0 parameter --->
|
||
UART0 mode (RS232 unauto flow control) --->
|
||
() RS232 normal
|
||
( ) RS232 <strong class="hl-keyword">auto</strong> flow control
|
||
(X) RS232 unauto flow control
|
||
( ) RS232 software flow control
|
||
( ) RS232 software and hardware flow control</pre></div>
|
||
|
||
<div class="table-container"><table class="- topic/table table frame-all" id="id__table_n4w_vbn_fdc" data-ofbid="id__table_n4w_vbn_fdc" data-cols="3"><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">模式参数描述</span></caption><colgroup><col style="width:14.430014430014431%"/><col style="width:29.14862914862915%"/><col style="width:56.42135642135643%"/></colgroup><thead class="- topic/thead thead">
|
||
<tr class="- topic/row">
|
||
<th class="- topic/entry entry colsep-1 rowsep-1" id="id__table_n4w_vbn_fdc__entry__1"><p class="- topic/p p" data-ofbid="d147205e549__20250519091521">协议参数</p></th>
|
||
<th class="- topic/entry entry colsep-1 rowsep-1" id="id__table_n4w_vbn_fdc__entry__2"><p class="- topic/p p" data-ofbid="d147205e553__20250519091521">模式参数</p></th>
|
||
|
||
<th class="- topic/entry entry colsep-0 rowsep-1" id="id__table_n4w_vbn_fdc__entry__3"><p class="- topic/p p" data-ofbid="d147205e557__20250519091521">描述</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_n4w_vbn_fdc__entry__1" rowspan="5">
|
||
|
||
<p class="- topic/p p" data-ofbid="d147205e568__20250519091521">RS232 协议</p>
|
||
|
||
</td>
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_n4w_vbn_fdc__entry__2">
|
||
<p class="- topic/p p" data-ofbid="d147205e574__20250519091521">RS232 normal</p>
|
||
</td>
|
||
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_n4w_vbn_fdc__entry__3"><p class="- topic/p p" data-ofbid="d147205e579__20250519091521">普通
|
||
RS232 模式</p></td>
|
||
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_n4w_vbn_fdc__entry__2">
|
||
<p class="- topic/p p" data-ofbid="d147205e587__20250519091521">RS232 software flow control</p>
|
||
</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_n4w_vbn_fdc__entry__3"><p class="- topic/p p" data-ofbid="d147205e592__20250519091521"> RS232 软件流控模式</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_n4w_vbn_fdc__entry__2">
|
||
<p class="- topic/p p" data-ofbid="d147205e600__20250519091521">RS232 auto flow control</p>
|
||
</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_n4w_vbn_fdc__entry__3"><p class="- topic/p p" data-ofbid="d147205e605__20250519091521">RS232 硬件自动流控模式，流控管脚固定</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_n4w_vbn_fdc__entry__2">
|
||
<p class="- topic/p p" data-ofbid="d147205e613__20250519091521">RS232 unauto flow control</p>
|
||
</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_n4w_vbn_fdc__entry__3">RS232 硬件非自动流控模式，流控管脚自选。<p class="- topic/p p" data-ofbid="d147205e619__20250519091521">根据需求，使能并选择 RTS 管脚和 CTS 管脚，关于详细描述可查看
|
||
<a class="- topic/xref xref" href="uart_config_lite.html#id__id6">配置管脚</a>。</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_n4w_vbn_fdc__entry__2">
|
||
<p class="- topic/p p" data-ofbid="d147205e631__20250519091521">RS232 sw and hw flow control</p>
|
||
</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_n4w_vbn_fdc__entry__3">RS232 软件流控模式与硬件非自动流控模式，流控管脚自选。<p class="- topic/p p" data-ofbid="d147205e637__20250519091521">根据需求，使能并选择 RTS 管脚和 CTS
|
||
管脚，关于详细描述可查看 <a class="- topic/xref xref" href="uart_config_lite.html#id__id6">配置管脚</a>。</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-0" headers="id__table_n4w_vbn_fdc__entry__1" rowspan="3">
|
||
<p class="- topic/p p" data-ofbid="d147205e650__20250519091521">RS485 协议</p>
|
||
</td>
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_n4w_vbn_fdc__entry__2">
|
||
<p class="- topic/p p" data-ofbid="d147205e656__20250519091521">RS485 normal</p>
|
||
</td>
|
||
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_n4w_vbn_fdc__entry__3"><p class="- topic/p p" data-ofbid="d147205e661__20250519091521">RS485
|
||
三线模式 (TX、RX、RTS)，RTS 管脚固定</p></td>
|
||
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_n4w_vbn_fdc__entry__2">
|
||
<p class="- topic/p p" data-ofbid="d147205e669__20250519091521">RS485 simulation</p>
|
||
</td>
|
||
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_n4w_vbn_fdc__entry__3"><p class="- topic/p p" data-ofbid="d147205e674__20250519091521">模拟
|
||
RS485 三线模式 (TX、RX、RTS)，RTS 管脚自选</p></td>
|
||
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-0" headers="id__table_n4w_vbn_fdc__entry__2">
|
||
<p class="- topic/p p" data-ofbid="d147205e682__20250519091521">RS485 compact io</p>
|
||
</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_n4w_vbn_fdc__entry__3"><p class="- topic/p p" data-ofbid="d147205e687__20250519091521">RS485 二线模式（TX/RX、RTS）</p></td>
|
||
</tr>
|
||
</tbody></table></div>
|
||
|
||
<div class="- topic/div div section" id="id__id6">
|
||
<strong class="+ topic/ph hi-d/b ph b">管脚配置</strong>
|
||
<div class="- topic/p p" data-ofbid="d147205e699__20250519091521">对于选择了流控管脚自选的模式，例如
|
||
RS232 unauto flow
|
||
control，则根据需求自行使能并选择
|
||
RTS 管脚和 CTS
|
||
管脚：<div class="- topic/note note note note_note" id="id__note_dzq_zfn_fdc" data-ofbid="id__note_dzq_zfn_fdc"><span class="note__title">注：</span> 关于管脚是否固定或需自选，可查看<a class="- topic/xref xref" href="uart_config_lite.html#id__table_n4w_vbn_fdc">模式参数描述</a>。</div><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_a3q_ytm_fdc" data-ofbid="id__codeblock_a3q_ytm_fdc">Board options -->
|
||
[*] Using UART0
|
||
UART0 parameter --->
|
||
UART0 protocol (RS232) --->
|
||
UART0 mode (RS232 unauto flow control) --->
|
||
[*] Enable RTS --->
|
||
(PA.<span class="hl-number">3</span>) UART0 RTS pin
|
||
[*] Enable CTS --->
|
||
(PA.<span class="hl-number">2</span>) UART0 CTS pin</pre></div><div class="table-container"><table class="- topic/table table frame-all" id="id__table_dh4_wfn_fdc" data-ofbid="id__table_dh4_wfn_fdc" 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">管脚参数</span></caption><colgroup><col style="width:25.97402597402597%"/><col style="width:74.02597402597402%"/></colgroup><thead class="- topic/thead thead">
|
||
<tr class="- topic/row">
|
||
<th class="- topic/entry entry colsep-1 rowsep-1" id="id__table_dh4_wfn_fdc__entry__1"><p class="- topic/p p" data-ofbid="d147205e725__20250519091521">参数</p></th>
|
||
<th class="- topic/entry entry colsep-0 rowsep-1" id="id__table_dh4_wfn_fdc__entry__2"><p class="- topic/p p" data-ofbid="d147205e729__20250519091521">描述</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_dh4_wfn_fdc__entry__1"><p class="- topic/p p" data-ofbid="d147205e739__20250519091521">Enable RTS</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_dh4_wfn_fdc__entry__2"><p class="- topic/p p" data-ofbid="d147205e743__20250519091521">使能 RTS 管脚。</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_dh4_wfn_fdc__entry__1"><p class="- topic/p p" data-ofbid="d147205e750__20250519091521">UART0 RTS pin</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_dh4_wfn_fdc__entry__2"><p class="- topic/p p" data-ofbid="d147205e754__20250519091521">选择 RTS pin，例如 PA.3。</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_dh4_wfn_fdc__entry__1"><p class="- topic/p p" data-ofbid="d147205e761__20250519091521">Enable CTS</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_dh4_wfn_fdc__entry__2"><p class="- topic/p p" data-ofbid="d147205e765__20250519091521">使能 CTS 管脚。</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-0" headers="id__table_dh4_wfn_fdc__entry__1"><p class="- topic/p p" data-ofbid="d147205e772__20250519091521">UART0 CTS pin</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_dh4_wfn_fdc__entry__2"><p class="- topic/p p" data-ofbid="d147205e776__20250519091521">选择 CTS pin，例如 PA.2。</p></td>
|
||
</tr>
|
||
</tbody></table></div></div>
|
||
</section>
|
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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__section_y14_3vm_fdc" data-tocid="id__section_y14_3vm_fdc">配置
|
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SoC
|
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中 UART
|
||
的相关信息</a></div></li><li class="section-item"><div class="section-title"><a href="#id__section_bb4_3vm_fdc" data-tocid="id__section_bb4_3vm_fdc">配置
|
||
Board
|
||
需要使用的 UART 端口和 Pinmux
|
||
</a></div></li><li class="section-item"><div class="section-title"><a href="#id__section_eb4_3vm_fdc" data-tocid="id__section_eb4_3vm_fdc">配置驱动的工作参数</a></div></li><li class="section-item"><div class="section-title"><a href="#id__section_fb4_3vm_fdc" data-tocid="id__section_fb4_3vm_fdc">配置功能参数</a></div></li></ul></div>
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