【LSM6DSOX的FSM有限状态机理解】--状态机指令介绍,附【中文版指令集】
本帖最后由 justd0 于 2020-4-23 00:06 编辑<p><span style="font-size:14.0pt"><span lang="zh-CN" style="font-family:"Microsoft YaHei"">在</span><a href="https://bbs.eeworld.com.cn/thread-1117573-1-1.html"><span lang="zh-CN" style="font-family:"Microsoft YaHei"">LSM6DSOX开箱与体验“Port not open & not supported ”问题解决</span></a><span lang="zh-CN" style="font-family:"Microsoft YaHei"">中分享了初次尝试使用</span><span lang="en-US" style="font-family:"Times New Roman"">LSM6DSOX</span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">传感器的过程和其中遇到的问题解决方案。</span></span></p>
<p> </p>
<p><span style="font-size:14.0pt"><span lang="zh-CN" style="font-family:"Microsoft YaHei"">在</span><a href="https://bbs.eeworld.com.cn/thread-1118911-1-1.html"><span lang="zh-CN" style="font-family:"Microsoft YaHei"">【LSM6DSOX的FSM有限状态机理解】--状态机简介</span></a><span lang="zh-CN" style="font-family:"Microsoft YaHei"">中对</span><span lang="en-US" style="font-family:"Times New Roman"">LSM6DSOX</span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">传感器中的</span><span lang="en-US" style="font-family:"Times New Roman"">FSM</span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">有限状态机本质进行了简要的介绍。</span></span></p>
<p> </p>
<p><span style="font-size:14.0pt"><span lang="zh-CN" style="font-family:"Microsoft YaHei"">在</span><a href="https://bbs.eeworld.com.cn/thread-1118913-1-1.html"><span lang="zh-CN" style="font-family:"Microsoft YaHei"">【LSM6DSOX的FSM有限状态机理解】--编程模块简介</span></a><span lang="zh-CN" style="font-family:"Microsoft YaHei"">中对</span><span lang="en-US" style="font-family:"Times New Roman"">FSM</span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">编程模块的结构、变量结合</span><span lang="en-US" style="font-family:"Times New Roman"">U</span><span lang="en-US" style="font-family:"Microsoft YaHei"">nico</span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">中</span><span lang="en-US" style="font-family:"Microsoft YaHei"">FSM</span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">界面进行了介绍。</span></span></p>
<p><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei""> </span></span></p>
<p><span style="font-size:14.0pt"> <span lang="zh-CN" style="font-family:"Microsoft YaHei"">这一章,结合官方的</span><a href="https://www.st.com/content/st_com/en/products/mems-and-sensors/inemo-inertial-modules/lsm6dsox.html#resource"><span lang="zh-CN" style="font-family:"Microsoft YaHei"">说明文档</span></a><span lang="zh-CN" style="font-family:"Microsoft YaHei"">对分享下</span><span lang="en-US" style="font-family:"Times New Roman"">LSM6DSOX</span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">状态机指令的学习,并且分享下我这两天逐段翻译的</span><span lang="zh-CN" style="font-weight:bold"><span style="font-family:"Microsoft YaHei"">指令集说明</span></span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">,希望能帮助伙伴们更好的使用</span><span lang="en-US" style="font-family:"Times New Roman"">FSM</span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">状态机编写自己的程序,下面开始吧</span><span lang="en-US" style="font-family:"Microsoft YaHei"">~</span></span></p>
<p lang="en-US"><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei""> </span></span></p>
<p><span style="font-size:14.0pt"> <span lang="zh-CN" style="font-family:"Microsoft YaHei"">指令代码保存在</span><span lang="en-US" style="font-family:"Times New Roman"">LSM6DSOX</span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">状态机程序块的可变变量区之后,由一系列实现算法逻辑的状态组成。</span></span></p>
<p> </p>
<p><span style="font-size:14.0pt"> <span lang="zh-CN" style="font-family:"Microsoft YaHei"">每个指令都有一个</span><span lang="en-US" style="font-weight:bold"><span style="font-family:"Times New Roman"">8</span></span><span lang="zh-CN" style="font-weight:bold"><span style="font-family:"Microsoft YaHei"">位</span></span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">的操作码,每个操作码可以实现一个</span><span lang="zh-CN" style="font-weight:bold"><span style="font-family:"Microsoft YaHei"">命令指令</span></span><span lang="en-US" style="font-weight:bold"><span style="font-family:"Times New Roman"">(CMD)</span></span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">或者</span><span lang="zh-CN" style="font-weight:bold"><span style="font-family:"Microsoft YaHei"">条件指令(</span></span><span lang="en-US" style="font-weight:bold"><span style="font-family:"Times New Roman"">RESET/NEXT,RNC</span></span><span lang="zh-CN" style="font-weight:bold"><span style="font-family:"Microsoft YaHei"">)</span></span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">,它们被称为</span><span lang="zh-CN" style="font-weight:bold"><span style="font-family:"Microsoft YaHei"">程序状态</span></span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">,多个指令在一起组成</span><span lang="en-US" style="font-family:"Times New Roman"">FSM</span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">整体逻辑,其中:</span></span></p>
<p> </p>
<ul style="margin-left:36px; unicode-bidi:embed" type="disc">
<li style="vertical-align:middle"><span lang="zh-CN" style="font-size:14.0pt"><span style="font-weight:bold"><span style="font-family:"Microsoft YaHei"">命令指令</span></span></span><span lang="en-US" style="font-size:14.0pt"><span style="font-weight:bold"><span style="font-family:"Times New Roman"">(CMD)</span></span></span><span lang="zh-CN" style="font-size:14.0pt"><span style="font-weight:bold"><span style="font-family:"Microsoft YaHei"">,</span></span></span><span lang="zh-CN" style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei"">用于执行</span></span><span lang="zh-CN" style="font-size:14.0pt"><span style="font-weight:bold"><span style="font-family:"Microsoft YaHei"">流控制</span></span></span><span lang="zh-CN" style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei"">、</span></span><span lang="zh-CN" style="font-size:14.0pt"><span style="font-weight:bold"><span style="font-family:"Microsoft YaHei"">输出</span></span></span><span lang="zh-CN" style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei"">和</span></span><span lang="zh-CN" style="font-size:14.0pt"><span style="font-weight:bold"><span style="font-family:"Microsoft YaHei"">同步</span></span></span><span lang="zh-CN" style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei"">等特殊任务</span></span><span lang="zh-CN" style="font-size:14.0pt"><span style="font-weight:bold"><span style="font-family:"Microsoft YaHei"">,</span></span></span><span lang="zh-CN" style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei"">有的命令会需要参数,参数会作为一个单独的指令来执行,后面详细讲。</span></span></li>
<li style="vertical-align:middle"><span lang="zh-CN" style="font-size:14.0pt"><span style="font-weight:bold"><span style="font-family:"Microsoft YaHei"">条件指令(</span></span></span><span lang="en-US" style="font-size:14.0pt"><span style="font-weight:bold"><span style="font-family:"Times New Roman"">RESET/NEXT,RNC</span></span></span><span lang="zh-CN" style="font-size:14.0pt"><span style="font-weight:bold"><span style="font-family:"Microsoft YaHei"">)</span></span></span><span lang="en-US" style="font-size:14.0pt"><span style="font-family:"Times New Roman"">,</span></span><span lang="zh-CN" style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei"">由</span></span><span lang="zh-CN" style="font-size:14.0pt"><span style="font-weight:bold"><span style="font-family:"Microsoft YaHei"">两个条件</span></span></span><span lang="zh-CN" style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei"">组合在一起(</span></span><span lang="en-US" style="font-size:14.0pt"><span style="font-family:"Times New Roman"">4</span></span><span lang="zh-CN" style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei"">位的</span></span><span lang="en-US" style="font-size:14.0pt"><span style="font-family:"Times New Roman"">RESET</span></span><span lang="zh-CN" style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei"">条件和</span></span><span lang="en-US" style="font-size:14.0pt"><span style="font-family:"Times New Roman"">4</span></span><span lang="zh-CN" style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei"">位的</span></span><span lang="en-US" style="font-size:14.0pt"><span style="font-family:"Times New Roman"">NEXT</span></span><span lang="zh-CN" style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei"">条件),用来复位或者继续执行程序流。</span></span></li>
</ul>
<p style="vertical-align:middle"> </p>
<p><span style="font-size:14.0pt"> <span lang="zh-CN" style="font-family:"Microsoft YaHei"">指令代码对</span><span lang="en-US" style="font-weight:bold"><span style="font-family:"Times New Roman"">LSM6DSOX</span></span><span lang="zh-CN" style="font-weight:bold"><span style="font-family:"Microsoft YaHei"">寄存器</span></span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">和</span><span lang="zh-CN" style="font-weight:bold"><span style="font-family:"Microsoft YaHei"">状态机内部参数</span></span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">偶直接影响,有些指令还可以产生额外的功能,比如更新状态信息等,下面分别介绍下命令指令和条件指令的特点和使用方法。</span></span></p>
<p><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei""> </span></span></p>
<p><span style="font-size:14.0pt"><span lang="zh-CN" style="font-weight:bold"><span style="font-family:"Microsoft YaHei"">命令指令</span></span><span lang="en-US" style="font-weight:bold"><span style="font-family:"Times New Roman"">(CMD)</span></span></span></p>
<p lang="en-US"><span style="font-size:14.0pt"><span style="font-family:"Times New Roman""> </span></span></p>
<p><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei"">命令指令是修改状态机行为中的<span style="font-weight:bold">流控制、输出</span>、和<span style="font-weight:bold">同步</span>的行为。</span></span></p>
<p><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei""> </span></span></p>
<p><span style="font-size:14.0pt"><span lang="zh-CN" style="font-family:"Microsoft YaHei"">当一个命令被执行时,会</span><span lang="zh-CN" style="font-weight:bold"><span style="font-family:"Microsoft YaHei"">立即执行</span></span><span lang="en-US" style="font-family:"Times New Roman"">(</span><span lang="zh-CN" style="font-weight:bold"><span style="font-family:"Microsoft YaHei"">不需要更新输入采样集</span></span><span lang="en-US" style="font-family:"Times New Roman"">)</span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">,</span><span lang="zh-CN" style="font-weight:bold"><span style="font-family:"Microsoft YaHei"">程序指针</span></span><span lang="en-US" style="font-weight:bold"><span style="font-family:"Times New Roman"">(PP)</span></span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">被设置为下一行,将执行如下动作:</span></span></p>
<p> </p>
<ul style="margin-left:36px; unicode-bidi:embed" type="disc">
<li style="vertical-align:middle"><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei"">如果新的一行是一个</span></span><span style="font-size:14.0pt"><span style="font-weight:bold"><span style="font-family:"Microsoft YaHei"">命令指令</span></span></span><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei"">,则</span></span><span style="font-size:14.0pt"><span style="font-weight:bold"><span style="font-family:"Microsoft YaHei"">立即执行</span></span></span><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei"">此行命令。</span></span></li>
<li style="vertical-align:middle"><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei"">如果新的一行是一个</span></span><span style="font-size:14.0pt"><span style="font-weight:bold"><span style="font-family:"Microsoft YaHei"">条件指令</span></span></span><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei"">,则在</span></span><span style="font-size:14.0pt"><span style="font-weight:bold"><span style="font-family:"Microsoft YaHei"">下一个输入采样值到来</span></span></span><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei"">之时,处理此行条件判断指令。</span></span></li>
</ul>
<p><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei""> </span></span></p>
<p><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei"">有些命令指令可能会需要<span style="font-weight:bold">参数</span>,需要的参数必须在命令指令<span style="font-weight:bold">下一行定义</span>。</span></span></p>
<p><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei""> </span></span></p>
<p><span style="font-size:14.0pt"><span lang="zh-CN" style="font-family:"Microsoft YaHei"">这里用</span><span lang="en-US" style="font-family:"Times New Roman"">"</span><span lang="en-US" style="font-weight:bold"><span style="font-family:"Times New Roman"">STHR1</span></span><span lang="en-US" style="font-family:"Times New Roman"">"</span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">命令来举例,该指令用来动态改变阈值</span><span lang="en-US" style="font-family:"Times New Roman"">1(THRESH1)</span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">的值,在</span><span lang="en-US" style="font-family:"Times New Roman"">U</span><span lang="en-US" style="font-family:"Microsoft YaHei"">nico</span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">中的配置方法如下:</span></span></p>
<p></p>
<p><span style="font-size:14.0pt"><span lang="zh-CN" style="font-family:"Microsoft YaHei"">当程序指针</span><span lang="en-US" style="font-family:"Times New Roman"">(PP)</span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">指向状态</span><span lang="en-US" style="font-family:"Microsoft YaHei"">S0</span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">的</span><span lang="en-US" style="font-family:"Times New Roman"">0</span><span lang="en-US" style="font-family:"Microsoft YaHei"">x0A</span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">地址时,设备识别出</span><span lang="en-US" style="font-family:"Microsoft YaHei"">"0xAA"</span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">指令码为</span><span lang="en-US" style="font-family:"Times New Roman"">"</span><span lang="en-US" style="font-weight:bold"><span style="font-family:"Times New Roman"">STHR1</span></span><span lang="en-US" style="font-family:"Times New Roman"">"</span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">命令。该指令需要两个参数,那么设备就</span><span lang="zh-CN" style="font-weight:bold"><span style="font-family:"Microsoft YaHei"">不等待新的输入采样集</span></span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">,</span><span lang="zh-CN" style="font-weight:bold"><span style="font-family:"Microsoft YaHei"">直接运行</span></span><span lang="en-US" style="font-weight:bold"><span style="font-family:"Times New Roman"">S0-S2</span></span><span lang="zh-CN" style="font-weight:bold"><span style="font-family:"Microsoft YaHei"">三个状态</span></span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">,执行后阈值</span><span lang="en-US" style="font-family:"Times New Roman"">1</span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">的值将被设置为“</span><span lang="en-US" style="font-family:"Times New Roman"">0x5640</span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">”即小数“</span><span lang="en-US" style="font-family:"Times New Roman"">100.0</span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">”</span></span></p>
<p><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei""> </span></span></p>
<p><span style="font-size:14.0pt"><span lang="zh-CN" style="font-weight:bold"><span style="font-family:"Microsoft YaHei"">条件指令(</span></span><span lang="en-US" style="font-weight:bold"><span style="font-family:"Times New Roman"">RESET/NEXT,RNC</span></span><span lang="zh-CN" style="font-weight:bold"><span style="font-family:"Microsoft YaHei"">)</span></span></span></p>
<p><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei""> </span></span></p>
<p><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei"">条件指令用于<span style="font-weight:bold">重置</span>或者<span style="font-weight:bold">继续</span>程序流,条件指令在<span style="font-weight:bold">一个新的输入采样集准备好</span>后,在一个<span style="font-weight:bold">单一状态</span>下执行。</span></span></p>
<p><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei""> </span></span></p>
<p><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei"">条件指令中用于重置判断的RESET条件定义在操作码的高4位,而用于判断继续的NEXT指令定义在操作码的低4位,条件指令的执行逻辑如下图所示:</span></span></p>
<p></p>
<p><span style="font-size:14.0pt"><span lang="zh-CN" style="font-family:"Microsoft YaHei"">当进入条件指令后,</span><span lang="zh-CN" style="font-weight:bold"><span style="font-family:"Microsoft YaHei"">首先</span></span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">判断重置条件</span><span lang="en-US" style="font-family:"Times New Roman"">(RESET)</span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">,只有在</span><span lang="en-US" style="font-family:"Times New Roman"">RESET</span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">条件</span><span lang="zh-CN" style="font-weight:bold"><span style="font-family:"Microsoft YaHei"">不满足</span></span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">时,才判断继续条件</span><span lang="en-US" style="font-family:"Times New Roman"">(NEXT)</span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">。</span></span></p>
<p><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei""> </span></span></p>
<p><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei"">当两个条件<span style="font-weight:bold">均不满足</span>时,状态机会<span style="font-weight:bold">等待一个新的采样集</span>到来,然后<span style="font-weight:bold">重新开始</span>判断。</span></span></p>
<p><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei""> </span></span></p>
<p><span style="font-size:14.0pt"><span lang="zh-CN" style="font-family:"Microsoft YaHei"">当</span><span lang="zh-CN" style="font-weight:bold"><span style="font-family:"Microsoft YaHei"">满足</span></span><span lang="en-US" style="font-weight:bold"><span style="font-family:"Times New Roman"">RESET</span></span><span lang="zh-CN" style="font-weight:bold"><span style="font-family:"Microsoft YaHei"">条件</span></span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">时,就会发生</span><span lang="zh-CN" style="font-weight:bold"><span style="font-family:"Microsoft YaHei"">向复位点切换</span></span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">的状态过渡,即</span><span lang="en-US" style="font-weight:bold"><span style="font-family:"Times New Roman"">PP=PR</span></span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">。</span></span></p>
<p><span style="font-size:14.0pt"><span lang="zh-CN" style="font-family:"Microsoft YaHei"">当</span><span lang="en-US" style="font-weight:bold"><span style="font-family:"Times New Roman"">RESET</span></span><span lang="zh-CN" style="font-weight:bold"><span style="font-family:"Microsoft YaHei"">条件不满足</span></span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">,</span><span lang="zh-CN" style="font-weight:bold"><span style="font-family:"Microsoft YaHei"">且</span></span><span lang="en-US" style="font-weight:bold"><span style="font-family:"Times New Roman"">NEXT</span></span><span lang="zh-CN" style="font-weight:bold"><span style="font-family:"Microsoft YaHei"">条件满足</span></span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">时,就会</span><span lang="zh-CN" style="font-weight:bold"><span style="font-family:"Microsoft YaHei"">向下一个状态过渡</span></span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">,即</span><span lang="en-US" style="font-weight:bold"><span style="font-family:"Times New Roman"">PP = PP+1</span></span><span lang="en-US" style="font-family:"Times New Roman"">;</span></span></p>
<p lang="en-US"><span style="font-size:14.0pt"><span style="font-family:"Times New Roman""> </span></span></p>
<p><span style="font-size:14.0pt"><span lang="zh-CN" style="font-family:"Microsoft YaHei"">默认情况下,</span><span lang="zh-CN" style="font-weight:bold"><span style="font-family:"Microsoft YaHei"">复位点</span></span><span lang="en-US" style="font-weight:bold"><span style="font-family:"Times New Roman"">(RP)</span></span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">被设置为</span><span lang="zh-CN" style="font-weight:bold"><span style="font-family:"Microsoft YaHei"">第一个状态</span></span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">,但可以通过</span><span lang="en-US" style="font-family:"Times New Roman"">"</span><span lang="en-US" style="font-weight:bold"><span style="font-family:"Times New Roman"">SRP/CRP</span></span><span lang="en-US" style="font-family:"Times New Roman"">"</span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">指令</span><span lang="zh-CN" style="font-weight:bold"><span style="font-family:"Microsoft YaHei"">动态改变复位点的位置</span></span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">。</span></span></p>
<p><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei""> </span></span></p>
<p><span style="font-size:14.0pt"><span lang="zh-CN" style="font-family:"Microsoft YaHei"">值得注意的是,</span><span lang="en-US" style="font-weight:bold"><span style="font-family:"Times New Roman"">RESET</span></span><span lang="zh-CN" style="font-weight:bold"><span style="font-family:"Microsoft YaHei"">和</span></span><span lang="en-US" style="font-weight:bold"><span style="font-family:"Times New Roman"">NEXT</span></span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">条件为</span><span lang="zh-CN" style="font-weight:bold"><span style="font-family:"Microsoft YaHei"">同一个条件</span></span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">的情况是</span><span lang="zh-CN" style="font-weight:bold"><span style="font-family:"Microsoft YaHei"">没有意义</span></span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">的。</span></span></p>
<p><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei""> </span></span></p>
<p><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei"">条件指令能够判断的条件一共有三种:</span></span></p>
<ul style="margin-left:36px; unicode-bidi:embed" type="disc">
<li style="vertical-align:middle"><span lang="zh-CN" style="font-size:14.0pt"><span style="font-weight:bold"><span style="font-family:"Microsoft YaHei"">超时</span></span></span><span lang="zh-CN" style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei"">:当设置了定时器,定时计数器</span></span><span lang="en-US" style="font-size:14.0pt"><span style="font-family:"Times New Roman"">TC</span></span><span lang="zh-CN" style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei"">的值达到</span></span><span lang="zh-CN" style="font-size:14.0pt"><span style="font-weight:bold"><span style="font-family:"Microsoft YaHei"">零</span></span></span><span lang="zh-CN" style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei"">的时候,条件满足,成立。</span></span></li>
<li style="vertical-align:middle"><span lang="zh-CN" style="font-size:14.0pt"><span style="font-weight:bold"><span style="font-family:"Microsoft YaHei"">阈值比较</span></span></span><span lang="zh-CN" style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei"">:当启动的输入值</span></span><span lang="zh-CN" style="font-size:14.0pt"><span style="font-weight:bold"><span style="font-family:"Microsoft YaHei"">高于</span></span></span><span lang="en-US" style="font-size:14.0pt"><span style="font-weight:bold"><span style="font-family:"Times New Roman"">(</span></span></span><span lang="zh-CN" style="font-size:14.0pt"><span style="font-weight:bold"><span style="font-family:"Microsoft YaHei"">或低于</span></span></span><span lang="en-US" style="font-size:14.0pt"><span style="font-weight:bold"><span style="font-family:"Times New Roman"">)</span></span></span><span lang="zh-CN" style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei"">设定的阈值时,条件满足,成立。</span></span></li>
<li style="vertical-align:middle"><span style="font-size:14.0pt"><span style="font-weight:bold"><span style="font-family:"Microsoft YaHei"">过零检测</span></span></span><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei"">:当启动的输入</span></span><span style="font-size:14.0pt"><span style="font-weight:bold"><span style="font-family:"Microsoft YaHei"">越过零位</span></span></span><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei"">时,条件满足,成立。</span></span></li>
</ul>
<p><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei""> </span></span></p>
<p><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei"">以上就是命令指令和条件指令的所有特点了。</span></span></p>
<p><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei""> </span></span></p>
<p><span style="font-size:14.0pt"><span lang="en-US" style="font-family:"Times New Roman"">FSM</span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">指令集中一共提供了</span><span lang="en-US" style="font-weight:bold"><span style="font-family:"Times New Roman"">16</span></span><span lang="zh-CN" style="font-weight:bold"><span style="font-family:"Microsoft YaHei"">个</span></span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">条件指令和</span><span lang="en-US" style="font-weight:bold"><span style="font-family:"Times New Roman"">35</span></span><span lang="zh-CN" style="font-weight:bold"><span style="font-family:"Microsoft YaHei"">个</span></span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">命令指令。</span></span></p>
<p><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei""> </span></span></p>
<p><span style="font-size:14.0pt"><span lang="zh-CN" style="font-family:"Microsoft YaHei"">我已经将所有</span><span lang="zh-CN" style="font-weight:bold"><span style="font-family:"Microsoft YaHei"">指令集使用说明翻译成了中文</span></span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">,并排版做成了一个</span><span lang="zh-CN" style="font-weight:bold"><span style="font-family:"Microsoft YaHei"">速查</span></span><span lang="en-US" style="font-weight:bold"><span style="font-family:"Times New Roman"">PDF</span></span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">,共享给大家使用。</span></span></p>
<p><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei""> </span></span></p>
<p><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei"">文件放在文章末尾,不过需要回复下才可见哦。</span></span></p>
<p><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei""> </span></span></p>
<p><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei"">如果里面有错误,希望大家能在评论中指正~~</span></span></p>
<p><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei""> </span></span></p>
<p><span style="font-size:14.0pt"><span lang="zh-CN" style="font-family:"Microsoft YaHei"">以下就是</span><span lang="en-US" style="font-family:"Times New Roman"">35</span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">个命令指令和</span><span lang="en-US" style="font-family:"Times New Roman"">16</span><span lang="zh-CN" style="font-family:"Microsoft YaHei"">个条件指令的简介截图:</span></span></p>
<p><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei""><span style="font-weight:bold">命令指令</span></span></span></p>
<p></p>
<p><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei""><span style="font-weight:bold">条件指令</span></span></span></p>
<p></p>
<p><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei"">最近白天各种忙,只有晚上才能搞这个,所以指令集是我一点点熬夜翻译出来的,可能会有很多纰漏和错误,希望大家发现的时候可以指出~~</span></span></p>
<p> </p>
<p><span style="font-size:14.0pt"><span style="font-family:"Microsoft YaHei"">希望可以帮助到大家吧,当然如果英语好的伙伴也可以直接阅读官方英语原文文档,这样不容易产生理解偏差~</span></span></p>
<p>**** Hidden Message *****</p>
{:1_144:}辛苦 非常不错 <p>谢谢楼主分享</p>
给力,看中文档效率倍增,感谢:victory: 学习,学习 <p>感觉楼主精力无限!</p>
<p>谢谢楼主分享</p>
<p>非常不错</p>
<p>楼主威武,好好学习一下</p>
<p> </p>
<p>good,very</p>
<p>好的</p>
<p>學習學習</p>
<p>感谢分享,中文文档阅读速度高</p>
<p>另外,sox的有官方中文版的,也可以下载 https://www.st.com/resource/zh/application_note/an5273-lsm6dsox-finite-state-machine-stmicroelectronics.pdf</p>
辛苦 <p>确实是好东西,辛苦收集整理了。期待更好的上传。</p>
<p>hhu</p>
<p>感谢分享,用这个配合视频,很快就学会了怎么用FSM了。</p>
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