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< div class = " wh_publication_toc " data-tooltip-position = "right" > < span class = "expand-button-action-labels" > < span id = "button-expand-action" role = "button" aria-label = "Expand" > < / span > < span id = "button-collapse-action" role = "button" aria-label = "Collapse" > < / span > < span id = "button-pending-action" role = "button" aria-label = "Pending" > < / span > < / span > < ul role = "tree" aria-label = "Table of Contents" > < li role = "treeitem" > < div data-tocid = "revinfo_linux-d3752e463" class = "topicref" data-id = "revinfo_linux" data-state = "leaf" > < span role = "button" class = "wh-expand-btn" > < / span > < div class = "title" > < a href = "../../../topics/revinfo/revinfo_rtos.html" id = "revinfo_linux-d3752e463-link" > 修订记录< / a > < / div > < / div > < / li > < li role = "treeitem" aria-expanded = "false" > < div data-tocid = "id-d3752e480" class = "topicref" data-id = "id" data-state = "not-ready" > < span role = "button" tabindex = "0" aria-labelledby = "button-expand-action id-d3752e480-link" class = "wh-expand-btn" > < / span > < div class = "title" > < a href = "../../../topics/sdk/env/sdk-compile.html" id = "id-d3752e480-link" > SDK 编译< / a > < div class = "wh-tooltip" > < p class = "shortdesc" > 介绍不同编译环境下 SDK 的详细编译流程。< / p > < / div > < / div > < / div > < / li > < li role = "treeitem" aria-expanded = "false" > < div data-tocid = "id-d3752e604" class = "topicref" data-id = "id" data-state = "not-ready" > < span role = "button" tabindex = "0" aria-labelledby = "button-expand-action id-d3752e604-link" class = "wh-expand-btn" > < / span > < div class = "title" > < a href = "../../../topics/sdk/advanced/sdk-usage.html" id = "id-d3752e604-link" > 使用指南< / a > < div class = "wh-tooltip" > < p class = "shortdesc" > 命令详解，编译选项，镜像和分区配置，添加应用和驱动等的详细使用说明。< / p > < / div > < / div > < / div > < / li > < li role = "treeitem" aria-expanded = "false" > < div data-tocid = "concept_rcx_czh_pzb-d3752e1004" class = "topicref" data-id = "concept_rcx_czh_pzb" data-state = "not-ready" > < span role = "button" tabindex = "0" aria-labelledby = "button-expand-action concept_rcx_czh_pzb-d3752e1004-link" class = "wh-expand-btn" > < / span > < div class = "title" > < a href = "../../../topics/sdk/chapter-app.html" id = "concept_rcx_czh_pzb-d3752e1004-link" > 应用场景< / a > < div class = "wh-tooltip" > < p class = "shortdesc" > 描述了 SDK 在不同应用场景中的配置和使用， < / p > < / div > < / div > < / div > < / li > < li role = "treeitem" aria-expanded = "false" > < div data-tocid = "id-d3752e1848" class = "topicref" data-id = "id" data-state = "not-ready" > < span role = "button" tabindex = "0" aria-labelledby = "button-expand-action id-d3752e1848-link" class = "wh-expand-btn" > < / span > < div class = "title" > < a href = "../../../topics/sdk/peripheral/peripheral-intro.html" id = "id-d3752e1848-link" > 外设移植< / a > < div class = "wh-tooltip" > < p class = "shortdesc" > < span class = "ph" > CTP、U 盘、SD 卡、有线和无线网络< / span > 等外设的介绍和使用说明。< / p > < / div > < / div > < / div > < / li > < li role = "treeitem" aria-expanded = "false" > < div data-tocid = "id-d3752e2022" class = "topicref" data-id = "id" data-state = "not-ready" > < span role = "button" tabindex = "0" aria-labelledby = "button-expand-action id-d3752e2022-link" class = "wh-expand-btn" > < / span > < div class = "title" > < a href = "../../../topics/sdk/bringup/chapter-bringup.html" id = "id-d3752e2022-link" > BringUp< / a > < div class = "wh-tooltip" > < p class = "shortdesc" > 主要描述板卡的各项配置，使 SDK 的环境和板卡匹配，并确保 SDK 编译后的固件能够在板子上正常运行。< / p > < / div > < / div > < / div > < / li > < li role = "treeitem" aria-expanded = "true" > < div data-tocid = "id-d3752e2418" class = "topicref" data-id = "id" data-state = "expanded" > < span role = "button" tabindex = "0" aria-labelledby = "button-collapse-action id-d3752e2418-link" class = "wh-expand-btn" > < / span > < div class = "title" > < a href = "../../../topics/sdk/chapter-advanced-app.html" id = "id-d3752e2418-link" > 高级应用< / a > < div class = "wh-tooltip" > < p class = "shortdesc" > 系统、存储、多媒体、接口、安全等模块的详细配置和设计说明。< / p > < / div > < / div > < / div > < ul role = "group" class = "navbar-nav nav-list" > < li role = "treeitem" aria-expanded = "false" > < div data-tocid = "_0-d3752e2435" class
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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/hrtimer/hrtimer-test_guide.dita" > Edit online< / a > < / span > < h1 class = "- topic/title title topictitle1" id = "ariaid-title1" > 测试指南< / h1 >
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< div class = "date inPage" > 16 May 2025< / div > < div style = "color: gray;" >
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Read time: 3 minute(s)
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< section class = "- topic/section section" id = "hrtimer_test_guide__id2" data-ofbid = "hrtimer_test_guide__id2" > < h2 class = "- topic/title title sectiontitle" > 准备测试环境< / h2 >
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< li class = "- topic/li li" data-ofbid = "d35440e40__20250519091504" > < strong class = "+ topic/ph hi-d/b ph b" > 硬件< / strong > < ul class = "- topic/ul ul simple" id = "hrtimer_test_guide__ul_jnc_s3d_bdc" data-ofbid = "hrtimer_test_guide__ul_jnc_s3d_bdc" >
< li class = "- topic/li li" data-ofbid = "d35440e45__20250519091504" >
< p class = "- topic/p p" data-ofbid = "d35440e47__20250519091504" > 开发板< / p >
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< / li >
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< li class = "- topic/li li" data-ofbid = "d35440e51__20250519091504" >
< p class = "- topic/p p" data-ofbid = "d35440e53__20250519091504" > USB 转串口的线缆< / p >
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< / li >
< / ul > < / li >
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< li class = "- topic/li li" data-ofbid = "d35440e58__20250519091504" > < strong class = "+ topic/ph hi-d/b ph b" > 软件< / strong > < ul class = "- topic/ul ul simple" id = "hrtimer_test_guide__ul_knc_s3d_bdc" data-ofbid = "hrtimer_test_guide__ul_knc_s3d_bdc" >
< li class = "- topic/li li" data-ofbid = "d35440e63__20250519091504" >
< p class = "- topic/p p" data-ofbid = "d35440e65__20250519091504" > PC 端的串口终端软件，用于 PC 和开发板进行串口通信< / p >
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< / li >
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< li class = "- topic/li li" data-ofbid = "d35440e69__20250519091504" >
< p class = "- topic/p p" data-ofbid = "d35440e71__20250519091504" > < span class = "- topic/ph ph" > Luban-Lite< / span > 自带的 < code class = "+ topic/ph pr-d/codeph ph codeph" > test_hrtimer< / code > 命令行工具< / p >
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< / li >
< / ul > < / li >
< / ul >
< / section >
< section class = "- topic/section section" id = "hrtimer_test_guide__id5" data-ofbid = "hrtimer_test_guide__id5" > < h2 class = "- topic/title title sectiontitle" > 软件配置< / h2 >
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< ol class = "- topic/ol ol" id = "hrtimer_test_guide__ol_oyl_244_tdc" data-ofbid = "hrtimer_test_guide__ol_oyl_244_tdc" >
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< li class = "- topic/li li" data-ofbid = "d35440e90__20250519091504" >
< p class = "- topic/p p" data-ofbid = "d35440e92__20250519091504" > 在 SDK 根目录下执行 < span class = "+ topic/keyword sw-d/cmdname keyword cmdname" > scons --menuconfig< / span > ，进入 menuconfig 的功能配置界面。< / p >
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< / li >
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< li class = "- topic/li li" data-ofbid = "d35440e99__20250519091504" >
< div class = "- topic/p p" data-ofbid = "d35440e101__20250519091504" > 按如下选择，打开 < code class = "+ topic/ph pr-d/codeph ph codeph" > test_hrtimer< / code >
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命令行工具：< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "hrtimer_test_guide__codeblock_tsy_244_tdc" data-ofbid = "hrtimer_test_guide__codeblock_tsy_244_tdc" > Drivers options --->
Drivers examples --->
[*] Enable HRTimer driver test command< / pre > < / div >
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< / li >
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< li class = "- topic/li li" data-ofbid = "d35440e110__20250519091504" >
< div class = "- topic/p p" data-ofbid = "d35440e112__20250519091504" > 保存配置后，退出 menuconfig
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并在根目录下执行下列命令进行编译：< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "hrtimer_test_guide__codeblock_tpp_l44_tdc" data-ofbid = "hrtimer_test_guide__codeblock_tpp_l44_tdc" > scons< / pre > < / div >
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< p class = "- topic/p p" data-ofbid = "d35440e117__20250519091504" > 编译完成后，可以在终端中使用 < span class = "+ topic/keyword sw-d/cmdname keyword cmdname" > test_hrtimer< / span > 命令行工具。< / p >
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< / li >
< / ol >
< / section >
< section class = "- topic/section section" id = "hrtimer_test_guide__section_kcv_cr4_tdc" data-ofbid = "hrtimer_test_guide__section_kcv_cr4_tdc" > < h2 class = "- topic/title title sectiontitle" > HRTimer 常见测试< / h2 >
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< div class = "- topic/p p" data-ofbid = "d35440e131__20250519091504" > 使用 < span class = "+ topic/keyword sw-d/cmdname keyword cmdname" > test_hrtimer< / span > 命令分别创建和测试下列两类定时器：< div class = "- topic/note note note note_note" id = "hrtimer_test_guide__note_fky_jt4_tdc" data-ofbid = "hrtimer_test_guide__note_fky_jt4_tdc" > < span class = "note__title" > 注：< / span > 关于命令参数详细描述，可查看 < a class = "- topic/xref xref" href = "hrtimer-test_guide.html#hrtimer_test_guide__hrtimer" > test_hrtimer 参数详解< / a > 。< / div > < ul class = "- topic/ul ul" id = "hrtimer_test_guide__ul_pcr_4r4_tdc" data-ofbid = "hrtimer_test_guide__ul_pcr_4r4_tdc" >
< li class = "- topic/li li" data-ofbid = "d35440e144__20250519091504" >
< div class = "- topic/p p" data-ofbid = "d35440e146__20250519091504" > 示例 1： < span class = "+ topic/keyword pr-d/parmname keyword parmname" > hrtime0< / span > ，超时时间为 2 秒 4
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微秒。< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "hrtimer_test_guide__codeblock_xym_f45_cdc" data-ofbid = "hrtimer_test_guide__codeblock_xym_f45_cdc" > test_hrtimer -c < span class = "hl-number" > 0< / span > -s < span class = "hl-number" > 2< / span > -u < span class = "hl-number" > 4< / span > -d< / pre > < / div >
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< div class = "- topic/p p" data-ofbid = "d35440e154__20250519091504" > 输出示例如下，表示创建成功：< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "hrtimer_test_guide__codeblock_tmr_kl4_tdc" data-ofbid = "hrtimer_test_guide__codeblock_tmr_kl4_tdc" > hrtimer0: Create a timer of < span class = "hl-number" > 2.000004< / span > sec, Oneshot mode< / pre > < / div >
< div class = "- topic/p p" data-ofbid = "d35440e159__20250519091504" > 当计时器超时时，可以看到如下调试日志输出：< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "hrtimer_test_guide__codeblock_t1p_ft4_tdc" data-ofbid = "hrtimer_test_guide__codeblock_t1p_ft4_tdc" > < span class = "hl-number" > 0< / span > /< span class = "hl-number" > 0< / span > hrtimer0 timeout callback! Elapsed < span class = "hl-number" > 2000012< / span > us< / pre > < / div >
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< / li >
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< li class = "- topic/li li" data-ofbid = "d35440e165__20250519091504" >
< p class = "- topic/p p" data-ofbid = "d35440e167__20250519091504" > 示例 2： < span class = "+ topic/keyword pr-d/parmname keyword parmname" > HRTimer0< / span > ，超时时间为 3 秒 123
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微秒，循环触发 19 次。< / p >
< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "hrtimer_test_guide__codeblock_ycq_345_cdc" data-ofbid = "hrtimer_test_guide__codeblock_ycq_345_cdc" > test_hrtimer -c < span class = "hl-number" > 0< / span > -s < span class = "hl-number" > 3< / span > -u < span class = "hl-number" > 123< / span > -d -m period< / pre >
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< div class = "- topic/p p" data-ofbid = "d35440e176__20250519091504" > 输出示例如下，表示创建成功：< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "hrtimer_test_guide__codeblock_lwx_ss4_tdc" data-ofbid = "hrtimer_test_guide__codeblock_lwx_ss4_tdc" > hrtimer0: Create a timer of < span class = "hl-number" > 3.000123< / span > sec, Period mode
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Will loop < span class = "hl-number" > 19< / span > times< / pre > < / div >
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< div class = "- topic/p p" data-ofbid = "d35440e181__20250519091504" > 当计时器每次超时时，调试日志输出如下所示：< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "hrtimer_test_guide__codeblock_jp2_ct4_tdc" data-ofbid = "hrtimer_test_guide__codeblock_jp2_ct4_tdc" > < span class = "hl-number" > 0< / span > /< span class = "hl-number" > 19< / span > hrtimer0 timeout callback! Elapsed < span class = "hl-number" > 3000129< / span > us
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< span class = "hl-number" > 1< / span > /< span class = "hl-number" > 19< / span > hrtimer0 timeout callback! Elapsed < span class = "hl-number" > 2995773< / span > us
...
< span class = "hl-number" > 19< / span > /< span class = "hl-number" > 19< / span > hrtimer0 timeout callback! Elapsed < span class = "hl-number" > 2995689< / span > us< / pre > < / div >
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< p class = "- topic/p p" data-ofbid = "d35440e186__20250519091504" > 本循环计数模式示例仅供演示使用，在持续大约 60
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秒后会自动停止定时器。在实际使用过程中，如果配置了循环输出模式，则会不断输出直至配置为其它模式。< / p >
< / li >
< / ul > < div class = "- topic/note note note note_note" id = "hrtimer_test_guide__note_h1q_ws4_tdc" data-ofbid = "hrtimer_test_guide__note_h1q_ws4_tdc" > < span class = "note__title" > 注：< / span >
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< p class = "- topic/p p" data-ofbid = "d35440e192__20250519091504" > 示例中的运行 log 出现了一些误差，属于合理现象。这是因为 HRTimer 的精度是微秒级，因此 RTOS
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的调度、调试信息输出都会干扰到定时器的精度。< / p >
< / div > < / div >
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< / section >
< section class = "- topic/section section" id = "hrtimer_test_guide__hrtimer" data-ofbid = "hrtimer_test_guide__hrtimer" > < h2 class = "- topic/title title sectiontitle" > test_hrtimer 参数详解< / h2 >
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< div class = "- topic/p p" data-ofbid = "d35440e202__20250519091504" > 以下是一个 < span class = "+ topic/keyword sw-d/cmdname keyword cmdname" > test_hrtimer< / span > 命令示例，配置 HRTimer0 为循环自动计数模式，并设置超时时间为 1 秒 3
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微秒：< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "hrtimer_test_guide__codeblock_fkj_s44_tdc" data-ofbid = "hrtimer_test_guide__codeblock_fkj_s44_tdc" > test_hrtimer -m oneshot -c < span class = "hl-number" > 0< / span > -s < span class = "hl-number" > 2< / span > -u < span class = "hl-number" > 3< / span > < / pre > < / div >
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< div class = "- topic/p p" data-ofbid = "d35440e210__20250519091504" > < span class = "+ topic/keyword sw-d/cmdname keyword cmdname" > test_hrtimer< / span >
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命令参数解释及示例如下所示：< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "hrtimer_test_guide__codeblock_jgb_dp4_tdc" data-ofbid = "hrtimer_test_guide__codeblock_jgb_dp4_tdc" > test_hrtimer < var class = "+ topic/keyword sw-d/varname keyword varname" > parameter< / var > < / pre > < ul class = "- topic/ul ul" id = "hrtimer_test_guide__ul_ctz_qg4_tdc" data-ofbid = "hrtimer_test_guide__ul_ctz_qg4_tdc" >
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< li class = "- topic/li li" data-ofbid = "d35440e220__20250519091504" > < code class = "+ topic/ph pr-d/codeph ph codeph" > -m < var class = "+ topic/keyword sw-d/varname keyword varname" > mode< / var > < / code > < div class = "- topic/p p" data-ofbid = "d35440e225__20250519091504" > 创建定时器类型，支持创建两类 Timer： < ul class = "- topic/ul ul arabic simple" id = "hrtimer_test_guide__ol_mnc_s3d_bdc" data-ofbid = "hrtimer_test_guide__ol_mnc_s3d_bdc" >
< li class = "- topic/li li" data-ofbid = "d35440e229__20250519091504" >
< div class = "- topic/p p" data-ofbid = "d35440e231__20250519091504" > < code class = "+ topic/ph pr-d/codeph ph codeph" > oneshot< / code >
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类型定时器：单次触发，默认值。< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "hrtimer_test_guide__codeblock_rnd_jp4_tdc" data-ofbid = "hrtimer_test_guide__codeblock_rnd_jp4_tdc" > -m oneshot< / pre > < / div >
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< p class = "- topic/p p" data-ofbid = "d35440e238__20250519091504" > 只触发一次超时，随后 Timer 会被注销。适用于需要一次性触发的任务，例如超时报警、单次事件等。< / p >
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< / li >
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< li class = "- topic/li li" data-ofbid = "d35440e242__20250519091504" >
< div class = "- topic/p p" data-ofbid = "d35440e244__20250519091504" > < code class = "+ topic/ph pr-d/codeph ph codeph" > period< / code >
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类型定时器：循环触发< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "hrtimer_test_guide__codeblock_rql_jp4_tdc" data-ofbid = "hrtimer_test_guide__codeblock_rql_jp4_tdc" > -m period< / pre > < / div >
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< p class = "- topic/p p" data-ofbid = "d35440e251__20250519091504" > 循环触发超时，适用于需要周期性触发的任务，例如心跳包发送、定时数据采集等。< / p >
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< / li >
< / ul > < / div > < / li >
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< li class = "- topic/li li" data-ofbid = "d35440e256__20250519091504" > < code class = "+ topic/ph pr-d/codeph ph codeph" > -c < var class = "+ topic/keyword sw-d/varname keyword varname" > HRTimer channel number< / var > < / code > : < p class = "- topic/p p" data-ofbid = "d35440e262__20250519091504" > 指定使用的
HRTimer 通道编号，可选参数范围是 < code class = "+ topic/ph pr-d/codeph ph codeph" > [0, 2]< / code > 。< / p > < p class = "- topic/p p" data-ofbid = "d35440e267__20250519091504" > 示例：< code class = "+ topic/ph pr-d/codeph ph codeph" > -c
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0< / code > 或 < code class = "+ topic/ph pr-d/codeph ph codeph" > -c 2< / code > < / p > < / li >
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< li class = "- topic/li li" data-ofbid = "d35440e275__20250519091504" > < code class = "+ topic/ph pr-d/codeph ph codeph" > -s < var class = "+ topic/keyword sw-d/varname keyword varname" > second< / var > < / code > < p class = "- topic/p p" data-ofbid = "d35440e280__20250519091504" > 设置定时器的秒数，必须大于
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0。< / p > 示例：< code class = "+ topic/ph pr-d/codeph ph codeph" > -s 1< / code > 。< / li >
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< li class = "- topic/li li" data-ofbid = "d35440e287__20250519091504" > < code class = "+ topic/ph pr-d/codeph ph codeph" > -u < var class = "+ topic/keyword sw-d/varname keyword varname" > microsecon< / var > < / code > < p class = "- topic/p p" data-ofbid = "d35440e292__20250519091504" > 设置定时器的微秒数，必须大于
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0< / p > 示例：< code class = "+ topic/ph pr-d/codeph ph codeph" > -u 3< / code > 表示设置微秒数为 3。< / li >
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< li class = "- topic/li li" data-ofbid = "d35440e299__20250519091504" > < code class = "+ topic/ph pr-d/codeph ph codeph" > -d< / code > 或
< code class = "+ topic/ph pr-d/codeph ph codeph" > --debug< / code > < p class = "- topic/p p" data-ofbid = "d35440e305__20250519091504" > 显示超时日志，用于调试目的。< / p > < p class = "- topic/p p" data-ofbid = "d35440e307__20250519091504" > < span class = "+ topic/keyword sw-d/cmdname keyword cmdname" > test_hrtimer< / span >
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命令默认不打印定时器的超时信息，需要使用 < span class = "+ topic/keyword pr-d/parmname keyword parmname" > -d< / span > 参数打开日志。< / p > < / li >
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< li class = "- topic/li li" data-ofbid = "d35440e316__20250519091504" >
< div class = "- topic/p p" data-ofbid = "d35440e318__20250519091504" > < code class = "+ topic/ph pr-d/codeph ph codeph" > h< / code > :
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显示帮助信息。< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "hrtimer_test_guide__codeblock_w4h_yp4_tdc" data-ofbid = "hrtimer_test_guide__codeblock_w4h_yp4_tdc" > test_hrtimer -h
Usage: test_hrtimer [options]:
-m, --mode mode of timer, oneshot/period
-c, --channel the number of hrtimer [< span class = "hl-number" > 0< / span > , < span class = "hl-number" > 2< / span > ]
-s, --second the second of timer (must > < span class = "hl-number" > 0< / span > )
-u, --microsecond the microsecond of timer (must > < span class = "hl-number" > 0< / span > )
-d, --debug show the timeout log
-h, --usage< / pre > < / 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 = "#hrtimer_test_guide__id2" data-tocid = "hrtimer_test_guide__id2" > 准备测试环境< / a > < / div > < / li > < li class = "section-item" > < div class = "section-title" > < a href = "#hrtimer_test_guide__id5" data-tocid = "hrtimer_test_guide__id5" > 软件配置< / a > < / div > < / li > < li class = "section-item" > < div class = "section-title" > < a href = "#hrtimer_test_guide__section_kcv_cr4_tdc" data-tocid = "hrtimer_test_guide__section_kcv_cr4_tdc" > HRTimer 常见测试< / a > < / div > < / li > < li class = "section-item" > < div class = "section-title" > < a href = "#hrtimer_test_guide__hrtimer" data-tocid = "hrtimer_test_guide__hrtimer" > test_hrtimer 参数详解< / a > < / div > < / li > < / ul > < / div >
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