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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://172.16.35.88/tasks/jdssno1uvvbf2mltu9kb9v3if05d5gopuakboe8hlud18rma/edit/F:/aicdita/aicdita-cn/topics/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">15 Jan 2024</div><div style="color: gray;">
|
||
Read time: 4 minute(s)
|
||
</div><div class="- topic/body body"><div class="- topic/p p" data-ofbid="d288871e19__20250121171756">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="d288871e25__20250121171756"><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="d288871e29__20250121171756"><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="d288871e33__20250121171756"><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="d288871e37__20250121171756"><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="d288871e46__20250121171756">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">参数</th><th class="- topic/entry entry colsep-0 rowsep-1" id="id__table_y4q_p2n_fdc__entry__2">描述</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">AIC_UART_DRV</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="d288871e72__20250121171756">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">AIC_UART_DRV_V10</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="d288871e82__20250121171756">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">AIC_UART_DRV_VER</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="d288871e92__20250121171756">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">AIC_UART_DEV_NUM</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="d288871e99__20250121171756">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="d288871e107__20250121171756">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="d288871e113__20250121171756">
|
||
<p class="- topic/p p" data-ofbid="d288871e115__20250121171756">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="d288871e121__20250121171756">
|
||
<p class="- topic/p p" data-ofbid="d288871e123__20250121171756">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">参数</th><th class="- topic/entry entry colsep-0 rowsep-1" id="id__table_zr1_3fn_fdc__entry__2">描述</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">AIC_USING_UART0</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_zr1_3fn_fdc__entry__2">-</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="id__table_zr1_3fn_fdc__entry__1">AIC_USING_UART1</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_zr1_3fn_fdc__entry__2">-</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="d288871e166__20250121171756">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="d288871e178__20250121171756">
|
||
<p class="- topic/p p" data-ofbid="d288871e180__20250121171756">AIC_DEV_UART0_BAUDRATE：波特率，默认值 115200。</p>
|
||
</li><li class="- topic/li li" data-ofbid="d288871e183__20250121171756">
|
||
<p class="- topic/p p" data-ofbid="d288871e185__20250121171756">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="d288871e188__20250121171756">
|
||
<p class="- topic/p p" data-ofbid="d288871e190__20250121171756">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="d288871e194__20250121171756">
|
||
<p class="- topic/p p" data-ofbid="d288871e196__20250121171756">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="d288871e199__20250121171756">
|
||
<p class="- topic/p p" data-ofbid="d288871e201__20250121171756">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="d288871e214__20250121171756">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">参数</th><th class="- topic/entry entry colsep-1 rowsep-1" id="id__table_tms_mxm_fdc__entry__2">描述</th><th class="- topic/entry entry colsep-0 rowsep-1" id="id__table_tms_mxm_fdc__entry__3">备注</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">clk frequence</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="d288871e247__20250121171756">时钟频率</p>
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_tms_mxm_fdc__entry__3">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。</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_tms_mxm_fdc__entry__1">baudrate</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="d288871e257__20250121171756">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="d288871e262__20250121171756">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">data bits</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="d288871e270__20250121171756">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">配置范围为
|
||
0-15，默认值为 8</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_tms_mxm_fdc__entry__1">stop bits</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="d288871e280__20250121171756">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="d288871e285__20250121171756">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">parity</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_tms_mxm_fdc__entry__2">校验位，用于错误检测</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_tms_mxm_fdc__entry__3">
|
||
|
||
<ul class="- topic/ul ul" data-ofbid="d288871e295__20250121171756"><li class="- topic/li li" data-ofbid="d288871e296__20250121171756">0=none，无检验</li><li class="- topic/li li" data-ofbid="d288871e298__20250121171756">1=odd，奇校验</li><li class="- topic/li li" data-ofbid="d288871e300__20250121171756">2=even，偶校验</li></ul>
|
||
|
||
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_tms_mxm_fdc__entry__1">protocol</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="d288871e308__20250121171756">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="d288871e313__20250121171756">可配置参数：<ul class="- topic/ul ul" data-ofbid="d288871e315__20250121171756"><li class="- topic/li li" data-ofbid="d288871e316__20250121171756">RS232 协议</li><li class="- topic/li li" data-ofbid="d288871e318__20250121171756">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">mode</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="d288871e326__20250121171756">模式</p>
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_tms_mxm_fdc__entry__3">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></td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="id__table_tms_mxm_fdc__entry__1">Enable UART0 dma mode</td><td class="- topic/entry entry colsep-1 rowsep-0" headers="id__table_tms_mxm_fdc__entry__2">是否使能 DMA 模式</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_tms_mxm_fdc__entry__3">-</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="d288871e347__20250121171756">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">协议参数</th><th class="- topic/entry entry colsep-1 rowsep-1" id="id__table_n4w_vbn_fdc__entry__2">模式参数</th><th class="- topic/entry entry colsep-0 rowsep-1" id="id__table_n4w_vbn_fdc__entry__3">描述</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="d288871e372__20250121171756">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="d288871e377__20250121171756">RS232 normal</p>
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_n4w_vbn_fdc__entry__3">普通
|
||
RS232 模式</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="d288871e385__20250121171756">RS232 software 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</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="d288871e393__20250121171756">RS232 auto flow control</p>
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_n4w_vbn_fdc__entry__3">RS232 硬件自动流控模式，流控管脚固定</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="d288871e401__20250121171756">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="d288871e406__20250121171756">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="d288871e415__20250121171756">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="d288871e420__20250121171756">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="d288871e429__20250121171756">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="d288871e434__20250121171756">RS485 normal</p>
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_n4w_vbn_fdc__entry__3">RS485
|
||
三线模式 (TX、RX、RTS)，RTS 管脚固定</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="d288871e442__20250121171756">RS485 simulation</p>
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_n4w_vbn_fdc__entry__3">模拟
|
||
RS485 三线模式 (TX、RX、RTS)，RTS 管脚自选</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="d288871e450__20250121171756">RS485 compact io</p>
|
||
</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_n4w_vbn_fdc__entry__3">RS485 二线模式（TX/RX、RTS）</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="d288871e461__20250121171756">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">参数</th><th class="- topic/entry entry colsep-0 rowsep-1" id="id__table_dh4_wfn_fdc__entry__2">描述</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">Enable RTS</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_dh4_wfn_fdc__entry__2">使能 RTS 管脚。</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_dh4_wfn_fdc__entry__1">UART0 RTS pin</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_dh4_wfn_fdc__entry__2">选择 RTS pin，例如 PA.3。</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_dh4_wfn_fdc__entry__1">Enable CTS</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_dh4_wfn_fdc__entry__2">使能 CTS 管脚。</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="id__table_dh4_wfn_fdc__entry__1">UART0 CTS pin</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_dh4_wfn_fdc__entry__2">选择 CTS pin，例如 PA.2。</td></tr></tbody></table></div></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="#id__section_y14_3vm_fdc" data-tocid="id__section_y14_3vm_fdc">配置
|
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SoC
|
||
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
|
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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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