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<li class="toctree-l1"><a class="reference internal" href="../../../Examples/sdk_app_easyflash_boottimes/easyflash_boottimes.html">16. Easyflash4 boot times</a></li>
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<li class="toctree-l1 current"><a class="current reference internal" href="#">8. blog</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="#id1">8.1. 概述</a></li>
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<li class="toctree-l2"><a class="reference internal" href="#id2">8.2. 功能介绍</a></li>
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<li class="toctree-l2"><a class="reference internal" href="#log">8.3. log等级说明</a></li>
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<li class="toctree-l2"><a class="reference internal" href="#id3">8.4. 使用方法</a></li>
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<div class="section" id="blog">
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<h1><span class="section-number">8. </span>blog<a class="headerlink" href="#blog" title="永久链接至标题">¶</a></h1>
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<div class="section" id="id1">
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<h2><span class="section-number">8.1. </span>概述<a class="headerlink" href="#id1" title="永久链接至标题">¶</a></h2>
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<p>blog 是一款超轻量级的日志组件，非常适合对资源敏感的软件项目.</p>
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</div>
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<div class="section" id="id2">
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<h2><span class="section-number">8.2. </span>功能介绍<a class="headerlink" href="#id2" title="永久链接至标题">¶</a></h2>
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<p>blog
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将log简化成3类，分别是组件、文件、私有log，且分别支持软件动态修改、宏彻底关闭方案（不占用rom）。下文统称动态修改为软开关，宏彻底关闭方案为静态开关。</p>
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<ul class="simple">
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<li><p>组件log管理 该log优先级最高，如下的文件log和私有log均受此开关的束缚</p></li>
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<li><p>文件log管理
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该log优先级中，如下的私有log均受此开关的束缚，且文件log受到组件log的管理。</p></li>
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<li><p>私有log管理 该log优先级最低，受组件log和文件log管理</p></li>
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</ul>
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</div>
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<div class="section" id="log">
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<h2><span class="section-number">8.3. </span>log等级说明<a class="headerlink" href="#log" title="永久链接至标题">¶</a></h2>
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<p>按照等级高低分别如下，其中all最低，即所有log均输出</p>
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<div class="highlight-default notranslate"><div class="highlight"><pre><span></span>all : 所有log均输出，其实等同于all
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debug : debug及以上
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info : info及以上
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warn : warn及以上
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error : error及以上
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assert : assert及以上
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never: 所有log均不输出，其实等同于assert
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</pre></div>
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</div>
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</div>
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<div class="section" id="id3">
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<h2><span class="section-number">8.4. </span>使用方法<a class="headerlink" href="#id3" title="永久链接至标题">¶</a></h2>
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<p>包含必要的头文件
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<code class="docutils literal notranslate"><span class="pre">#include</span> <span class="pre"><blog.h></span></code>然后分别设置组件log、文件log、私有log。</p>
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<div class="highlight-c notranslate"><div class="highlight"><pre><span></span><span class="cp">#include</span> <span class="cpf"><blog.h></span><span class="cp"></span>
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<span class="n">BLOG_DECLARE</span><span class="p">(</span><span class="n">blog_testc2</span><span class="p">);</span>
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<span class="kt">void</span> <span class="nf">func</span><span class="p">(</span><span class="kt">void</span><span class="p">)</span>
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<span class="p">{</span>
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<span class="n">blog_debug</span><span class="p">(</span><span class="s">"blog_testc2 debug</span><span class="se">\r\n</span><span class="s">"</span><span class="p">);</span>
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<span class="n">blog_info</span><span class="p">(</span><span class="s">"blog_testc2 info</span><span class="se">\r\n</span><span class="s">"</span><span class="p">);</span>
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<span class="n">blog_warn</span><span class="p">(</span><span class="s">"blog_testc2 warn</span><span class="se">\r\n</span><span class="s">"</span><span class="p">);</span>
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<span class="n">blog_error</span><span class="p">(</span><span class="s">"blog_testc2 error</span><span class="se">\r\n</span><span class="s">"</span><span class="p">);</span>
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<span class="n">blog_assert</span><span class="p">(</span><span class="s">"blog_testc2 assert</span><span class="se">\r\n</span><span class="s">"</span><span class="p">);</span>
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<span class="n">blog_debug_user</span><span class="p">(</span><span class="n">blog_testc2</span><span class="p">,</span><span class="s">"blog_testc2 debug user</span><span class="se">\r\n</span><span class="s">"</span><span class="p">);</span>
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<span class="n">blog_info_user</span><span class="p">(</span><span class="n">blog_testc2</span><span class="p">,</span><span class="s">"blog_testc2 info user</span><span class="se">\r\n</span><span class="s">"</span><span class="p">);</span>
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<span class="n">blog_warn_user</span><span class="p">(</span><span class="n">blog_testc2</span><span class="p">,</span><span class="s">"blog_testc2 warn user</span><span class="se">\r\n</span><span class="s">"</span><span class="p">);</span>
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<span class="n">blog_error_user</span><span class="p">(</span><span class="n">blog_testc2</span><span class="p">,</span><span class="s">"blog_testc2 error user</span><span class="se">\r\n</span><span class="s">"</span><span class="p">);</span>
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<span class="n">blog_assert_user</span><span class="p">(</span><span class="n">blog_testc2</span><span class="p">,</span><span class="s">"blog_testc2 assert user</span><span class="se">\r\n</span><span class="s">"</span><span class="p">);</span>
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<span class="p">}</span>
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</pre></div>
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</div>
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<ul class="simple">
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<li><p>组件log开关</p>
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<ul>
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<li><p>静态开关 在相应的 proj_config.mk
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文件目录下，LOG_ENABLED_COMPONENTS配置上增加对应组件的名字
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例如这里需要增加blog_testa blog_testb
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blog_testc组件静态开关，其他组件默认关闭
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<code class="docutils literal notranslate"><span class="pre">LOG_ENABLED_COMPONENTS:=blog_testa</span> <span class="pre">blog_testb</span> <span class="pre">blog_testc</span></code></p></li>
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<li><p>软件开关 通过输入如下命令来使能log输出等级 形如，logset level
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component_name例如： <code class="docutils literal notranslate"><span class="pre">blogset</span> <span class="pre">assert</span> <span class="pre">blog_testc</span></code></p></li>
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</ul>
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</li>
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<li><p>文件log管理</p>
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<ul>
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<li><p>静态开关
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在对应的*.c文件中，加入此行代码，注意，不管是开或者关，必须选择一种。
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<code class="docutils literal notranslate"><span class="pre">默认就是开</span></code> <code class="docutils literal notranslate"><span class="pre">#define</span> <span class="pre">BLOG_HARD_DECLARE_DISABLE</span> <span class="pre">1</span>    <span class="pre">//</span> <span class="pre">关</span></code></p></li>
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<li><p>软件开关 通过输入如下命令来使能log输出等级 形如，logset level
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component_name.file_name例如：
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<code class="docutils literal notranslate"><span class="pre">blogset</span> <span class="pre">info</span> <span class="pre">blog_testc.blog_testc2_full</span></code></p></li>
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</ul>
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</li>
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<li><p>私有log管理</p>
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<ul>
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||
<li><p>静态开关 使用就增加BLOG_DECLARE(...)，不用直接不增加此行即可。
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<code class="docutils literal notranslate"><span class="pre">BLOG_DECLARE(blog_testc2);</span>    <span class="pre">//</span> <span class="pre">打开，其中 "blog_testc2"为用户自定义</span></code></p></li>
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<li><p>软件开关 通过输入如下命令来使能log输出等级 形如，logset level
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component_name.file_name.pri_name例如：
|
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<code class="docutils literal notranslate"><span class="pre">blogset</span> <span class="pre">debug</span> <span class="pre">blog_testc.blog_testc2_full.blog_testc2</span></code></p></li>
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</ul>
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</li>
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</ul>
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</div>
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<div class="section" id="id4">
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<h2><span class="section-number">8.5. </span>总结<a class="headerlink" href="#id4" title="永久链接至标题">¶</a></h2>
|
||
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利用 <a href="http://sphinx-doc.org/">Sphinx</a> 构建，使用了
|
||
|
||
<a href="https://github.com/rtfd/sphinx_rtd_theme">主题</a>
|
||
|
||
由 <a href="https://readthedocs.org">Read the Docs</a>开发.
|
||
|
||
</footer>
|
||
|
||
</div>
|
||
</div>
|
||
|
||
</section>
|
||
|
||
</div>
|
||
|
||
|
||
<script type="text/javascript">
|
||
jQuery(function () {
|
||
SphinxRtdTheme.Navigation.enable(true);
|
||
});
|
||
</script>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
</body>
|
||
</html> |