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Read time: 2 minute(s)
< / div > < div class = "- topic/body concept/conbody body conbody" > < div class = "- topic/p p" data-ofbid = "d110729e22__20250121171550" > RTC 测试所需的测试环境如下：< ul class = "- topic/ul ul" id = "rtc_test_guide__ol_rrk_pls_c1c" data-ofbid = "rtc_test_guide__ol_rrk_pls_c1c" > < li class = "- topic/li li" data-ofbid = "d110729e25__20250121171550" > < strong class = "+ topic/ph hi-d/b ph b" > 硬件< / strong > ：开发板上安装有电池，用于给 RTC 供电< / li > < li class = "- topic/li li" data-ofbid = "d110729e29__20250121171550" > < strong class = "+ topic/ph hi-d/b ph b" > 软件< / strong > ： < ul class = "- topic/ul ul" id = "rtc_test_guide__ul_ocq_hts_c1c" data-ofbid = "rtc_test_guide__ul_ocq_hts_c1c" > < li class = "- topic/li li" data-ofbid = "d110729e34__20250121171550" >
< p class = "- topic/p p" data-ofbid = "d110729e36__20250121171550" > PC 端的串口终端软件，用于 PC 和开发板进行串口通信< / p >
< / li > < li class = "- topic/li li" data-ofbid = "d110729e39__20250121171550" >
< p class = "- topic/p p" data-ofbid = "d110729e41__20250121171550" > Linux 内核原生的 rtctest 工具< / p >
< / li > < / ul > < / li > < / ul > < / div > < section class = "- topic/section section" id = "rtc_test_guide__section_glm_yj5_mdc" data-ofbid = "rtc_test_guide__section_glm_yj5_mdc" > < h2 class = "- topic/title title sectiontitle" > 配置软件< / h2 >
< div class = "- topic/p p" data-ofbid = "d110729e49__20250121171550" > 在 Luban 的根目录下通过 < span class = "+ topic/keyword sw-d/cmdname keyword cmdname" > make menuconfig< / span > 打开
< code class = "+ topic/ph pr-d/codeph ph codeph" > rtctest< / code > ： < pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "rtc_test_guide__codeblock_yjz_jts_c1c" data-ofbid = "rtc_test_guide__codeblock_yjz_jts_c1c" > Linux kernel
Advance setting
Linux Kernel Tools
[*] selftests< / pre > < / div >
< / section > < section class = "- topic/section section" id = "rtc_test_guide__section_w1y_wj5_mdc" data-ofbid = "rtc_test_guide__section_w1y_wj5_mdc" > < h2 class = "- topic/title title sectiontitle" > < code class = "+ topic/ph pr-d/codeph ph codeph" > rtctest< / code > 测试< / h2 >
< div class = "- topic/p p" data-ofbid = "d110729e67__20250121171550" >
< ol class = "- topic/ol ol" id = "rtc_test_guide__ol_ujs_kj5_mdc" data-ofbid = "rtc_test_guide__ol_ujs_kj5_mdc" > < li class = "- topic/li li" data-ofbid = "d110729e70__20250121171550" >
< div class = "- topic/p p" data-ofbid = "d110729e72__20250121171550" > 进入< code class = "+ topic/ph pr-d/codeph ph codeph" > rtctest< / code > 所在目录
< span class = "+ topic/ph sw-d/filepath ph filepath" > /usr/lib/kselftests/rtc/< / span > < pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "rtc_test_guide__codeblock_zzz_mj5_mdc" data-ofbid = "rtc_test_guide__codeblock_zzz_mj5_mdc" > cd /usr/lib/kselftests/rtc/< / pre >
< / div >
< p class = "- topic/p p" data-ofbid = "d110729e83__20250121171550" > < code class = "+ topic/ph pr-d/codeph ph codeph" > rtctest< / code > 的主要功能是测试 RTC 的 Alarm 功能。< / p >
< / li > < li class = "- topic/li li" data-ofbid = "d110729e88__20250121171550" >
< div class = "- topic/p p" data-ofbid = "d110729e90__20250121171550" > 执行下列命令运行
< code class = "+ topic/ph pr-d/codeph ph codeph" > rtctest< / code > ： < pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "rtc_test_guide__codeblock_q24_nj5_mdc" data-ofbid = "rtc_test_guide__codeblock_q24_nj5_mdc" > ./rtctest< / pre > < / div >
< div class = "- topic/p p" data-ofbid = "d110729e98__20250121171550" > 输出结果示例如下：< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "rtc_test_guide__codeblock_bfr_mts_c1c" data-ofbid = "rtc_test_guide__codeblock_bfr_mts_c1c" > TAP version < span class = "hl-number" > 13< / span >
< span class = "hl-number" > 1.< / span > < span class = "hl-number" > .7< / span >
# Starting < span class = "hl-number" > 7< / span > tests from < span class = "hl-number" > 2< / span > test cases.
# RUN rtc.date_read ...
# rtctest.c:< span class = "hl-number" > 49< / span > :date_read:Current RTC date/time is < span class = "hl-number" > 05< / span > /< span class = "hl-number" > 01< / span > /< span class = "hl-number" > 1970< / span > < span class = "hl-number" > 21< / span > :< span class = "hl-number" > 50< / span > :< span class = "hl-number" > 57.< / span >
# OK rtc.date_read
ok < span class = "hl-number" > 1< / span > rtc.date_read
# RUN rtc.uie_read ...
# OK rtc.uie_read
ok < span class = "hl-number" > 2< / span > rtc.uie_read
# RUN rtc.uie_select ...
# OK rtc.uie_select
ok < span class = "hl-number" > 3< / span > rtc.uie_select
# RUN rtc.alarm_alm_set ...
# rtctest.c:< span class = "hl-number" > 137< / span > :alarm_alm_set:Alarm time now set to < span class = "hl-number" > 21< / span > :< span class = "hl-number" > 51< / span > :< span class = "hl-number" > 06.< / span >
# rtctest.c:< span class = "hl-number" > 156< / span > :alarm_alm_set:data: < span class = "hl-number" > 1< / span > a0
# OK rtc.alarm_alm_set
ok < span class = "hl-number" > 4< / span > rtc.alarm_alm_set
# RUN rtc.alarm_wkalm_set ...
# rtctest.c:< span class = "hl-number" > 195< / span > :alarm_wkalm_set:Alarm time now set to < span class = "hl-number" > 05< / span > /< span class = "hl-number" > 01< / span > /< span class = "hl-number" > 1970< / span > < span class = "hl-number" > 21< / span > :< span class = "hl-number" > 51< / span > :< span class = "hl-number" > 09.< / span >
# OK rtc.alarm_wkalm_set
ok < span class = "hl-number" > 5< / span > rtc.alarm_wkalm_set
# RUN rtc.alarm_alm_set_minute ...
# rtctest.c:< span class = "hl-number" > 239< / span > :alarm_alm_set_minute:Alarm time now set to < span class = "hl-number" > 21< / span > :< span class = "hl-number" > 52< / span > :< span class = "hl-number" > 00.< / span >
# rtctest.c:< span class = "hl-number" > 258< / span > :alarm_alm_set_minute:data: < span class = "hl-number" > 1< / span > a0
# OK rtc.alarm_alm_set_minute
ok < span class = "hl-number" > 6< / span > rtc.alarm_alm_set_minute
# RUN rtc.alarm_wkalm_set_minute ...
# rtctest.c:< span class = "hl-number" > 297< / span > :alarm_wkalm_set_minute:Alarm time now set to < span class = "hl-number" > 05< / span > /< span class = "hl-number" > 01< / span > /< span class = "hl-number" > 1970< / span > < span class = "hl-number" > 21< / span > :< span class = "hl-number" > 53< / span > :< span class = "hl-number" > 00.< / span >
# OK rtc.alarm_wkalm_set_minute
ok < span class = "hl-number" > 7< / span > rtc.alarm_wkalm_set_minute
# PASSED: < span class = "hl-number" > 7< / span > / < span class = "hl-number" > 7< / span > tests passed.
# Totals: pass:< span class = "hl-number" > 7< / span > fail:< span class = "hl-number" > 0< / span > xfail:< span class = "hl-number" > 0< / span > xpass:< span class = "hl-number" > 0< / span > skip:< span class = "hl-number" > 0< / span > error:< span class = "hl-number" > 0< / span > < / 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 = "#rtc_test_guide__section_glm_yj5_mdc" data-tocid = "rtc_test_guide__section_glm_yj5_mdc" > 配置软件< / a > < / div > < / li > < li class = "section-item" > < div class = "section-title" > < a href = "#rtc_test_guide__section_w1y_wj5_mdc" data-tocid = "rtc_test_guide__section_w1y_wj5_mdc" > < code class = "+ topic/ph pr-d/codeph ph codeph" > rtctest< / code > 测试< / a > < / div > < / li > < / ul > < / div >
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