qt_demoe/docs/iotsystem/index.html

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</style><title>物联网平台开发及使用手册</title>
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<body class='typora-export os-windows typora-export-show-outline typora-export-collapse-outline'><div class='typora-export-content'>
<div class="typora-export-sidebar"><div class="outline-content"><li class="outline-item-wrapper outline-h2"><div class="outline-item"><span class="outline-expander"></span><a class="outline-label" href="#0-前言说明">0 前言说明</a></div><ul class="outline-children"><li class="outline-item-wrapper outline-h3 outline-item-single"><div class="outline-item"><span class="outline-expander"></span><a class="outline-label" href="#01-编译说明">0.1 编译说明</a></div><ul class="outline-children"></ul></li><li class="outline-item-wrapper outline-h3"><div class="outline-item"><span class="outline-expander"></span><a class="outline-label" href="#02-功能特点">0.2 功能特点</a></div><ul class="outline-children"><li class="outline-item-wrapper outline-h4 outline-item-single"><div class="outline-item"><span class="outline-expander"></span><a class="outline-label" href="#021-软件模块">0.2.1 软件模块</a></div><ul class="outline-children"></ul></li><li class="outline-item-wrapper outline-h4 outline-item-single"><div class="outline-item"><span class="outline-expander"></span><a class="outline-label" href="#022-基础功能">0.2.2 基础功能</a></div><ul class="outline-children"></ul></li><li class="outline-item-wrapper outline-h4 outline-item-single"><div class="outline-item"><span class="outline-expander"></span><a class="outline-label" href="#023-特色功能">0.2.3 特色功能</a></div><ul class="outline-children"></ul></li></ul></li><li class="outline-item-wrapper outline-h3 outline-item-single"><div class="outline-item"><span class="outline-expander"></span><a class="outline-label" href="#03-相关站点">0.3 相关站点</a></div><ul class="outline-children"></ul></li><li class="outline-item-wrapper outline-h3 outline-item-single"><div class="outline-item"><span class="outline-expander"></span><a class="outline-label" href="#04-特别说明">0.4 特别说明</a></div><ul class="outline-children"></ul></li><li class="outline-item-wrapper outline-h3 outline-item-single"><div class="outline-item"><span class="outline-expander"></span><a class="outline-label" href="#05-简易操作">0.5 简易操作</a></div><ul class="outline-children"></ul></li><li class="outline-item-wrapper outline-h3 outline-item-single"><div class="outline-item"><span class="outline-expander"></span><a class="outline-label" href="#06-版本说明">0.6 版本说明</a></div><ul class="outline-children"></ul></li></ul></li><li class="outline-item-wrapper outline-h2"><div class="outline-item"><span class="outline-expander"></span><a class="outline-label" href="#1-用户登录退出">1 用户登录退出</a></div><ul class="outline-children"><li class="outline-item-wrapper outline-h3 outline-item-single"><div class="outline-item"><span class="outline-expander"></span><a class="outline-label" href="#11-用户登录">1.1 用户登录</a></div><ul class="outline-children"></ul></li><li class="outline-item-wrapper outline-h3 outline-item-single"><div class="outline-item"><span class="outline-expander"></span><a class="outline-label" href="#12-用户退出">1.2 用户退出</a></div><ul class="outline-children"></ul></li></ul></li><li class="outline-item-wrapper outline-h2"><div class="outline-item"><span class="outline-expander"></span><a class="outline-label" href="#2-系统设置">2 系统设置</a></div><ul class="outline-children"><li class="outline-item-wrapper outline-h3"><div class="outline-item"><span class="outline-expander"></span><a class="outline-label" href="#21-基本设置">2.1 基本设置</a></div><ul class="outline-children"><li class="outline-item-wrapper outline-h4 outline-item-single"><div class="outline-item"><span class="outline-expander"></span><a class="outline-label" href="#211-常规设置">2.1.1 常规设置</a></div><ul class="outline-children"></ul></li><li class="outline-item-wrapper outline-h4 outline-item-single"><div class="outline-item"><span class="outline-expander"></span><a class="outline-label" href="#212-本地数据库设置">2.1.2 本地数据库设置</a></div><ul class="outline-children"></ul></li><
<span> </span><img src="snap/1-1-2.jpg" referrerpolicy="no-referrer"></p><p><span>系统启动后，首先会弹出用户登录界面，从用户姓名的下拉框选择用户名，然后输入密码（默认用户名密码都是admin），单击登录按钮，密码正确则会进入到系统主界面，错误会弹出提示，错误超过三次自动关闭，需要重新打开软件。</span></p><p><span>在登录界面可以勾选是否记住密码，是否自动登录，如果勾选了记住密码，则下次启用软件会自动填入最后用户的密码，勾选了自动登录（以最后的用户信息作为当前登录用户）则启动后直接进入主界面。如果开启了自动登录，不会弹出登录界面，可以在系统设置中关闭自动登录和记住密码。</span></p><h3 id='12-用户退出'><span>1.2 用户退出</span></h3><p><span> </span><img src="snap/1-2-1.jpg" referrerpolicy="no-referrer"></p><p><span>在主界面单击右上角的关闭按钮，会弹出用户退出界面，需要输入密码验证防止误关闭，会自动填入登录的用户名，密码输入正确才会退出软件。用户登录和退出都内置了超级密码a防止管理员忘记密码。</span></p><h2 id='2-系统设置'><span>2 系统设置</span></h2><h3 id='21-基本设置'><span>2.1 基本设置</span></h3><p><span> </span><img src="snap/2-1-0.jpg" referrerpolicy="no-referrer"></p><h4 id='211-常规设置'><span>2.1.1 常规设置</span></h4><p><span> </span><img src="snap/2-1-1.jpg" referrerpolicy="no-referrer"></p><p><span>基本设置中有部分参数的切换会自动重启应用。</span></p><p><strong><span>参数说明</span></strong></p><ol start='' ><li><span>开机运行：开启以后自动随着系统启动运行，默认开启。</span></li><li><span>自动登录：开启以后会自动以最后登录的用户信息登录到系统，默认关闭。</span></li><li><span>记住密码：开启以后会自动填入最后登录的用户信息到登录窗体，默认关闭。</span></li><li><span>中文标题：软件左上角标题栏的中文标题，改动立即应用。</span></li><li><span>英文标题：软件左上角标题栏的英文标题，改动立即应用。</span></li><li><span>版权所有：当前软件版权所有的公司，显示在软件的底部信息栏中。</span></li><li><span>调试日志：开启后会将打印日志输出到日志文件，默认关闭，日志文件存放在可执行文件夹下的log目录下。</span></li><li><span>运行时间：开启后会实时记录系统的运行时间，记录当前软件启动后运行了多久，运行时间文件存放在可执行文件夹下的log目录下。</span></li><li><span>工作模式：默认设备采集，可选数据库采集、数据库读取、设备采集2等，一般都是特殊定制需求的在这里切换工作模式。</span></li><li><span>导航样式：用于选择顶部导航栏和左侧导航栏的样式，上侧+左侧表示顶部导航栏上侧样式（图标在上面，文字在下面），左侧导航栏左侧样式（图标在左侧，文字在右侧）。</span></li><li><span>界面样式：系统自带17套皮肤，可以在这里自动换肤，默认视频黑。</span></li><li><span>软件图标：自动从logo文件夹读取，可以自行选择对应的logo文件。</span></li><li><span>报警声音：开启后当探测器报警后，会播放报警声音，默认开启。</span></li><li><span>播放次数：播放报警声音的次数，默认1次。</span></li><li><span>警情行数：主界面运行监测左侧显示报警信息的最大行数。新警情自动追加在最前面。0表示自动根据尺寸填充，100表示禁用。</span></li><li><span>自动确认：开启后自动确认警情存入报警记录，默认开启。</span></li><li><span>设备列数：设备监控主界面设备面板的列数。</span></li><li><span>记录行数：在数据查询的表格中，显示的记录的行数。</span></li></ol><p><strong><span>工作模式</span></strong></p><ol start='' ><li
</span></span></pre></div><div style="position: relative;"><div class="CodeMirror-gutter-wrapper" style="left: -34.9916px;"><div class="CodeMirror-linenumber CodeMirror-gutter-elt" style="left: 0px; width: 27px;">13</div></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-comment">//自动切换默认数据库端口</span></span></pre></div><div style="position: relative;"><div class="CodeMirror-gutter-wrapper" style="left: -34.9916px;"><div class="CodeMirror-linenumber CodeMirror-gutter-elt" style="left: 0px; width: 27px;">14</div></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"><span class="cm-variable-3">void</span> <span class="cm-def">DbHelper::getDbDefaultInfo</span>(<span class="cm-keyword">const</span> <span class="cm-variable">QString</span> <span class="cm-operator">&amp;</span><span class="cm-variable">dbType</span>, <span class="cm-variable">QString</span> <span class="cm-operator">&amp;</span><span class="cm-variable">hostPort</span>,</span></pre></div><div style="position: relative;"><div class="CodeMirror-gutter-wrapper" style="left: -34.9916px;"><div class="CodeMirror-linenumber CodeMirror-gutter-elt" style="left: 0px; width: 27px;">15</div></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<span class="cm-variable">QString</span> <span class="cm-operator">&amp;</span><span class="cm-variable">userName</span>, <span class="cm-variable">QString</span> <span class="cm-operator">&amp;</span><span class="cm-variable">userPwd</span>)</span></pre></div><div style="position: relative;"><div class="CodeMirror-gutter-wrapper" style="left: -34.9916px;"><div class="CodeMirror-linenumber CodeMirror-gutter-elt" style="left: 0px; width: 27px;">16</div></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;">{</span></pre></div><div style="position: relative;"><div class="CodeMirror-gutter-wrapper" style="left: -34.9916px;"><div class="CodeMirror-linenumber CodeMirror-gutter-elt" style="left: 0px; width: 27px;">17</div></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp; &nbsp;<span class="cm-keyword">if</span> (<span class="cm-variable">dbType</span> <span class="cm-operator">==</span> <span class="cm-string">"MYSQL"</span>) {</span></pre></div><div style="position: relative;"><div class="CodeMirror-gutter-wrapper" style="left: -34.9916px;"><div class="CodeMirror-linenumber CodeMirror-gutter-elt" style="left: 0px; width: 27px;">18</div></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp; &nbsp; &nbsp; &nbsp;<span class="cm-variable">hostPort</span> <span class="cm-operator">=</span> <span class="cm-string">"3306"</span>;</span></pre></div><div style="position: relative;"><div class="CodeMirror-gutter-wrapper" style="left: -34.9916px;"><div class="CodeMirror-linenumber CodeMirror-gutter-elt" style="left: 0px; width: 27px;">19</div></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp; &nbsp; &nbsp; &nbsp;<span class="cm-variable">userName</span> <span class="cm-operator">=</span> <span class="cm-string">"root"</span>;</span></pre></div><div style="position: relative;"><div class="CodeMirror-gutter-wrapper" style="left: -34.9916px;"><div class="CodeMirror-linenumber CodeMirror-gutter-elt CodeMirror-linenumber-show" style="left: 0px; width: 27px;">20</div></div><pre class=" CodeMirror-line " role="presentation"><span role="presentation" style="padding-right: 0.1px;"> &nbsp; &nbsp; &nbsp; &nbsp;<span class="cm-variable">userPwd</span> <span class="cm-operator">=</span> <span class="cm-string">"root"</span>;</span></pre></div><div style="position: relative;"><d
<span> </span><img src="snap/3-1-8-2.jpg" referrerpolicy="no-referrer"></p><p><span>假设设置了用户没有系统设置和删除记录的权限，则关闭系统的时候会弹出错误信息提示当前用户没有权限。</span></p><h3 id='32-地图管理'><span>3.2 地图管理</span></h3><p><span> </span><img src="snap/3-2-1.jpg" referrerpolicy="no-referrer"></p><p><span>在地图管理中，可以导入和删除地图。</span></p><h3 id='33-位置调整'><span>3.3 位置调整</span></h3><p><span> </span><img src="snap/3-3-1.jpg" referrerpolicy="no-referrer"></p><p><span>位置调整中，可以拖动探测器到正确的位置，右侧单击地图切换可以看到对应的该地图对应的探测器，全部位置调整好之后，单击右下角保存按钮即可，会立即应用。</span></p><h3 id='34-组态设计'><span>3.4 组态设计</span></h3><p><span> </span><img src="snap/3-4-1.jpg" referrerpolicy="no-referrer"></p><p><span>组态设计模块中提供的是简单的示例，演示如何加载自定义控件动态库、将控件拖曳到背景地图上，配置好对应控件的属性，可定义用户属性，可导出控件的配置信息到xml文件，并支持导入xml文件自动加载上次保存的控件配置信息。目前是一个简单的组态雏形，等后期架构好如何应用再重写整个模块。</span></p><p><strong><span>本系统默认不包括里面控件的源码，提供动态库的形式使用，如果还想学习自定义控件大全的源码（目前共202个控件卖700元），需要额外单独购买。</span></strong></p><h3 id='35-设备调试'><span>3.5 设备调试</span></h3><p><span> </span><img src="snap/3-5-1.jpg" referrerpolicy="no-referrer"></p><p><span>可以自行选择通讯端口+设备名称进行数据的过滤，可查看所有的通信数据。不同收发数据不同颜色，还可以指定关键字过滤数据，每个收发数据都有对应的中文解释。能够很方便的对运行中的系统查看设备数据，规避是下位机还是上位机问题扯皮的事情。</span></p><h2 id='4-设备监控'><span>4 设备监控</span></h2><p><span> </span><img src="snap/4-0-1.jpg" referrerpolicy="no-referrer"></p><p><span>设备监控界面主要包括4个模块，分别是数据监控、设备面板、地图监控、曲线监控，设备的实时数据可以同时反应到四个模块上面，相当于以4种不同的表现形式展现采集到的数据。</span></p><p><strong><span>模式说明</span></strong></p><ul><li><span>数据监控：表格形式一行行展示数据。</span></li><li><span>设备面板：每个探测器都是个独立的一个面板展示数据和信息。</span></li><li><span>地图监控：设备按钮放在对应地图上，长条状显示数据和符号单位。</span></li><li><span>曲线监控：对每个设备过滤曲线显示采集到的数据。</span></li><li><span>设备报警后，如果设置了报警弹窗，则右下角都会弹出对应的报警信息。</span></li><li><span>设备报警后，对应表格行、设备面板、地图按钮等都会突出颜色显示。</span></li></ul><h3 id='41-数据监控'><span>4.1 数据监控</span></h3><p><span> </span><img src="snap/4-1-1.jpg" referrerpolicy="no-referrer"></p><p><span>本页面会是使用频率最高的页面，默认就是停留在本页面实时查看所有探测器的数据。左侧为警情信息栏，分别显示时间、位号、报警值。如果有探测器报警，则消息自动追加到最前面。</span>
<span>表格依次显示序号、位号、控制器名称、控制器型号、探测器名称、探测器型号、气体种类、浓度值、气体符号。</span></p><h3 id='42-设备面板'><span>4.2 设备面板</span></h3><p><strong><span>面板说明</span></strong></p><ol start='' ><li><span>探测器作为一个个独立的设备面板控件。</span></li><li><span>有多少个探测器就会生成多少个面板，放在面板容器中。</span></li><li><span>可以在系统设置中选择设备列数，按照该设备列数来排列，超过会自动产生滚动条拖动查看。</span></li><li><span>报警后整个设备面板会突出颜色显示比如高报是红色、低报是黄色等。</span></li><li><span>双击探测器面板，会跳转到该探测器的详细信息界面，在该界面上后期可以按照实际用户需求定制回控操作。</span></li><li><span>面板有多种样式可供选择，比如普通样式、仪表样式。可直接在右侧切换立即运用。</span></li></ol><h4 id='421-普通样式'><span>4.2.1 普通样式</span></h4><p><span> </span><img src="snap/4-2-1.jpg" referrerpolicy="no-referrer"></p><h4 id='422-仪表样式'><span>4.2.2 仪表样式</span></h4><p><img src="snap/4-2-2.jpg" referrerpolicy="no-referrer"></p><h4 id='423-仪表样式2'><span>4.2.3 仪表样式2</span></h4><p><img src="snap/4-2-3.jpg" referrerpolicy="no-referrer"></p><h3 id='43-地图监控'><span>4.3 地图监控</span></h3><p><span> </span><img src="snap/4-3-1.jpg" referrerpolicy="no-referrer"></p><p><span>本页面以地图的形式显示所有探测器，右侧单击对应地图可以手动切换地图，当探测器报警后会自动切换到当前地图，探测器图标红色闪烁，探测器图标实时显示当前的浓度值。双击探测器按钮图标，会跳转到该探测器的详细信息界面，在该界面上后期可以按照实际用户需求定制回控操作。</span></p><h3 id='44-曲线监控'><span>4.4 曲线监控</span></h3><p><span>在本页面可以查看某个探测器的实时曲线，第一步先选择通信端口，第二步选择控制器，第三步选择探测器，然后就可以在左侧看到实时曲线，颜色可以在系统设置中设置。单击打印按钮会将当前曲线以截图的形式打印出来。勾选暂停显示记录数据复选框会暂停显示当前的数据。</span></p><h4 id='441-实时曲线'><span>4.4.1 实时曲线</span></h4><p><span> </span><img src="snap/4-4-1.jpg" referrerpolicy="no-referrer"></p><h4 id='442-历史曲线'><span>4.4.2 历史曲线</span></h4><p><span> </span><img src="snap/4-4-2.jpg" referrerpolicy="no-referrer"></p><h2 id='5-数据查询'><span>5 数据查询</span></h2><h3 id='51-报警记录'><span>5.1 报警记录</span></h3><p><span>在本页面，可以指定日期范围查询报警记录，还可以查询单个的控制器或者探测器的报警记录。也可以手动输入探测器的位号进行查询，下拉选择探测器后会自动填入位号。还可以选择报警类型（浓度上限报警、浓度下限报警）查询对应的类型，也可以输入报警值进行精准查询。</span></p><p><span>如果数据超过一页，会自动分页处理，单击右侧的上一页、下一页、第一页、末一页进行翻页查看，所有查询的数据可以导出到excel表格，也可以直接打印。单击删除按钮会弹出时间范围选择框，选择该时间段后确定，会删除该时间段的所有记录。</span></p><p><span>双击对应的报警记录可以打开警情确认对话框，重新填写确认意见，鼠标右键弹出删除记录菜单，可以删除当前选中的记录，支持多选，例如按住Ctrl键选择多个记录。</span></p><h4 id='511-记录查询'><span>5.1.1 记录查询</span></h4><p><span> </span><img src="snap/5-1-1.jpg" referrerpolicy="no-referrer"></p><h4 id='512-记录打印'><span>5.1.2 记录打印</span></h4><p><span> </span><img src="snap/5-1-2.jpg" referrerpolicy="no-referrer"></p><h4 id='513-记录导出'><span>5.1.3 记录导出</
<span> </span><img src="snap/5-1-4.jpg" referrerpolicy="no-referrer"></p><h3 id='52-运行记录'><span>5.2 运行记录</span></h3><p><span>在本页面，可以指定日期范围查询运行记录，还可以查询单个的控制器或者探测器的运行记录。也可以手动输入探测器的位号进行查询，下拉选择探测器后会自动填入位号。</span></p><p><span>如果数据超过一页，会自动分页处理，单击右侧的上一页、下一页、第一页、末一页进行翻页查看，所有查询的数据可以导出到excel表格，也可以直接打印。单击删除按钮会弹出时间范围选择框，选择该时间段后确定，会删除该时间段的所有记录。</span></p><h4 id='521-记录查询'><span>5.2.1 记录查询</span></h4><p><span> </span><img src="snap/5-2-1.jpg" referrerpolicy="no-referrer"></p><h4 id='522-记录打印'><span>5.2.2 记录打印</span></h4><p><span> </span><img src="snap/5-2-2.jpg" referrerpolicy="no-referrer"></p><h4 id='523-记录导出'><span>5.2.3 记录导出</span></h4><p><span> </span><img src="snap/5-2-3.jpg" referrerpolicy="no-referrer">
<span> </span><img src="snap/5-2-4.jpg" referrerpolicy="no-referrer"></p><h3 id='53-操作记录'><span>5.3 操作记录</span></h3><p><span>所有的用户操作都会记录到系统数据库，包括清空报警记录、删除记录、清空报警信息等操作。可以在本界面选择时间段范围查询，也可以选择日志类型（用户操作、设备上报）进行查询。 </span></p><p><span>如果数据超过一页，会自动分页处理，单击右侧的上一页、下一页、第一页、末一页进行翻页查看，所有查询的数据可以导出到excel表格，也可以直接打印。单击删除按钮会弹出时间范围选择框，选择该时间段后确定，会删除该时间段的所有记录。</span></p><h4 id='531-记录查询'><span>5.3.1 记录查询</span></h4><p><span> </span><img src="snap/5-3-1.jpg" referrerpolicy="no-referrer"></p><h4 id='532-记录打印'><span>5.3.2 记录打印</span></h4><p><span> </span><img src="snap/5-3-2.jpg" referrerpolicy="no-referrer"></p><h4 id='533-记录导出'><span>5.3.3 记录导出</span></h4><p><span> </span><img src="snap/5-3-3.jpg" referrerpolicy="no-referrer">
<span> </span><img src="snap/5-3-4.jpg" referrerpolicy="no-referrer"></p><h2 id='6-通信协议'><span>6 通信协议</span></h2><h3 id='61-通信流程'><span>6.1 通信流程</span></h3><ol start='' ><li><span>整体的结构是：控制器挂在通信端口，一个控制器下有多个探测器节点，相当于主设备、子设备。</span></li><li><span>因为是需要遍历轮询，所以一个通信端口上的控制器地址不能重复。</span></li><li><span>不同通信端口，控制器地址可以重复，所以如果控制器数量较多可以分在不同的通信端口。</span></li><li><span>一个控制器可以挂多个探测器，控制器平时也在不断轮询探测器的数据并记录，等待上位机程序的轮询命令后，将探测器数据一起打包发回。</span></li><li><span>本软件只和控制器通信，不和探测器通信，控制器负责和探测器通信。为何这样设计？因为这种架构最通用，可接的设备数量也是最大的。</span></li><li><span>本系统默认按照标准modbus协议进行通信，modbus是标准的通信框架协议，支持串口和网络等通信方式，至于具体是通过串口还是网络通信根据设备厂家选择。</span></li><li><span>modbus是通信协议框架，至于具体数据位的每个字节对应的数据含义，每个厂家不一样，都是厂家自定义，一般2个字节表示一个数据。</span></li><li><span>端口可以是串口和网络，在添加端口时候可选择不同通信解析协议。</span></li></ol><h4 id='611-fc1003-1'><span>6.1.1 FC1003-1</span></h4><p><span> </span><img src="snap/6-1-1.jpg" referrerpolicy="no-referrer"></p><h4 id='612-fc1003-8'><span>6.1.2 FC1003-8</span></h4><p><span> </span><img src="snap/6-1-2.jpg" referrerpolicy="no-referrer"></p><h4 id='613-fc1003-16'><span>6.1.3 FC1003-16</span></h4><p><span> </span><img src="snap/6-1-3.jpg" referrerpolicy="no-referrer"></p><h4 id='614-fc1103显示板'><span>6.1.4 FC1103显示板</span></h4><p><span> </span><img src="snap/6-1-4.jpg" referrerpolicy="no-referrer"></p><h4 id='615-sams-4128'><span>6.1.5 SAMS-4128</span></h4><p><span> </span><img src="snap/6-1-5.jpg" referrerpolicy="no-referrer"></p><h4 id='616-ft21047p'><span>6.1.6 FT21047P</span></h4><p><span> </span><img src="snap/6-1-6.jpg" referrerpolicy="no-referrer"></p><h3 id='62-协议解释'><span>6.2 协议解释</span></h3><ol start='' ><li><span>主机发送是软件发送数据给设备，主动发送。</span></li><li><span>从机应答是设备根据收到的数据后作出应答数据，被动回复。</span></li><li><span>一条发送命令会对应一条应答命令。</span></li><li><span>寄存器地址2字节，高位在前低位在后。</span></li><li><span>读取长度2字节，高位在前低位在后。</span></li><li><span>数据位2字节，高位在前低位在后。</span></li><li><span>CRC校验2字节，低位在前高位在后。</span></li><li><span>功能码有 03（读只读寄存器）、04（读可读可写寄存器）、06（写读写寄存器）。</span></li><li><span>主机发送的功能码和从机应答的功能码相同。</span></li></ol><h4 id='621-主机发送'><span>6.2.1 主机发送</span></h4><figure><table><thead><tr><th style='text-align:left;' ><span>地址</span></th><th style='text-align:left;' ><span>功能码</span></th><th style='text-align:left;' ><span>寄存器地址</span></th><th style='text-align:left;' ><span>寄存器个数</span></th><th style='text-align:left;' ><span>CRC校验</span></th></tr></thead><tbody><tr><td style='text-align:left;' ><span>01</span></td><td style='text-align:left;' ><span>03</span></td><td style='text-align:left;' ><span>00 00</span></td><td style='text-align:left;' ><span>00 04</span></td><td style='text-align:left;' ><span>44 09</span></td></tr></tbody></table></figure><h4 id='622-从机应答'><span>6.2.2 从机应答</span></h4><figure><table><thead><tr><th style='text-align:left;' ><span>地址</span></th><th style='text-align:left;' ><span>功能码</span></th><th style='text-ali
<span> </span><img src="snap/7-0-3.jpg" referrerpolicy="no-referrer">
<span> </span><img src="snap/7-0-5.jpg" referrerpolicy="no-referrer">
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<span> </span><img src="snap/7-0-17.jpg" referrerpolicy="no-referrer"></p><h3 id='71-windows-mingw'><span>7.1 windows-mingw</span></h3><p><span> </span><img src="snap/7-1-1.jpg" referrerpolicy="no-referrer"></p><h3 id='72-windows-msvc'><span>7.2 windows-msvc</span></h3><p><span> </span><img src="snap/7-2-1.jpg" referrerpolicy="no-referrer"></p><h3 id='73-linux-ubuntu'><span>7.3 linux-ubuntu</span></h3><p><span> </span><img src="snap/7-3-1.jpg" referrerpolicy="no-referrer"></p><h3 id='74-linux-uos'><span>7.4 linux-uos</span></h3><p><span> </span><img src="snap/7-4-1.jpg" referrerpolicy="no-referrer"></p><h3 id='75-linux-kylin'><span>7.5 linux-kylin</span></h3><p><span> </span><img src="snap/7-5-1.jpg" referrerpolicy="no-referrer"></p><h3 id='76-linux-neokylin'><span>7.6 linux-neokylin</span></h3><p><span> </span><img src="snap/7-6-1.jpg" referrerpolicy="no-referrer"></p><h3 id='77-linux-centos'><span>7.7 linux-centos</span></h3><p><span> </span><img src="snap/7-7-1.jpg" referrerpolicy="no-referrer"></p><h3 id='78-linux-fedora'><span>7.8 linux-fedora</span></h3><p><span> </span><img src="snap/7-8-1.jpg" referrerpolicy="no-referrer"></p><h3 id='79-unix-mac'><span>7.9 unix-mac</span></h3><p><span> </span><img src="snap/7-9-1.jpg" referrerpolicy="no-referrer"></p><h2 id='8-程序框架说明'><span>8 程序框架说明</span></h2><ul><li><span>下面的截图和说明未必是最新的，但是大部分是一致的。</span></li><li><span>整体的框架不会改变，可能会有新增加子模块和代码，具体以最新的代码为准。</span></li><li><span>程序会一直更新完善，不断迭代中。</span></li></ul><h3 id='81-整体代码结构'><span>8.1 整体代码结构</span></h3><p><span> </span><img src="snap/8-1-1.jpg" referrerpolicy="no-referrer"></p><p><span>本系统采用模块化的设备，有用到第三方开源类库比如串口通信qextserialport，全部放在3rd下面，有用到很多自己封装完善的通用类库比如数据导入导出组件，全部放在core下面，设备通信和辅助处理全部放在class下面，所有界面全部放在ui下面，相当于一个个小的组件合起来，最终形成了整个监控系统的完整代码。</span></p><h3 id='82-主模块说明'><span>8.2 主模块说明</span></h3><figure><table><thead><tr><th style='text-align:left;' ><span>名称</span></th><th style='text-align:left;' ><span>说明</span></th></tr></thead><tbody><tr><td style='text-align:left;' ><span>3rd</span></td><td style='text-align:left;' ><span>一些第三方开源的类库，比如串口通信qextserialport。</span></td></tr><tr><td style='text-align:left;' ><span>class</span></td><td style='text-align:left;' ><span>存放系统初始化、样式控制、自定义控件、设备通信等。</span></td></tr><tr><td style='text-align:left;' ><span>core</span></td><td style='text-align:left;' ><span>本人一直持续更新完善的通用的类库，比如数据导入导出组件。</span></td></tr><tr><td style='text-align:left;' ><span>ui</span></td><td style='text-align:left;' ><span>所有的界面都分门别类放在这里。</span></td></tr></tbody></table></figure><h3 id='83-子模块说明'><span>8.3 子模块说明</span></h3><h4 id='831-第三方类库'><span>8.3.1 第三方类库</span></h4><p><span> </span><img src="snap/8-3-1.jpg" referrerpolicy="no-referrer"></p><p><span>这里放的全部是第三方开源的轮子，感谢开源、感谢github、gitee等开源社区。具体代码不做过多说明，网上会有很多介绍和使用说明。</span></p><figure><table><thead><tr><th style='text-align:left;' ><span>名称</span></th><th style='text-align:left;' ><span>说明</span></th></tr></thead><tbody><tr><td style='text-align:left;' ><span>3rd_qcustomplot</span></td><td style='text-align:left;' ><span>第三方精美图表控件qcustomplot，Qt自带的qchart功能有限而且不支持大量数据。</span></td></tr><tr><td style='text-align:left;' ><span>3rd_qextserialport</span></td><td style='text-align:left;' ><span>第三方串口通信qextserial
<span> </span><img src="snap/10-1-2.jpg" referrerpolicy="no-referrer">
<span> </span><img src="snap/10-1-3.jpg" referrerpolicy="no-referrer"></p><p><span>本系统专门配备了设备模拟工具，用来在没有外接真实设备的时候，模拟modbus协议数据，支持多个设备，支持串口和网络方式，可切换正常数据和报警数据，反应到主程序上。对应主程序中两种端口，一种是串口端口（这个可以用虚拟串口工具 Virtual Serial Port 虚拟一对串口用于测试），一种是网络端口（注意选择的监听主机地址和端口）。数据库模拟对应程序中的数据库采集运行模式，可以勾选自动模拟复选框。随机生成状态字段数据。</span></p><h3 id='102-modbus仿真'><span>10.2 modbus仿真</span></h3><p><span> </span><img src="snap/10-2-1.jpg" referrerpolicy="no-referrer"></p><p><span>作为国际知名的modbus模拟仿真工具Modbus Slave，本系统也提供了对应的数据配置文件iotsystem.mbs，在db目录下，对应添加FC-1003-8控制器。两边的通信方式必须一致，比如软件上设置的串口则两边都是串口。具体Modbus Slave工具详细使用可以自行搜索，比如这篇文章 </span><a href='https://blog.csdn.net/xuw_xy/article/details/81166305'><span>https://blog.csdn.net/xuw_xy/article/details/81166305</span></a><span> 。</span></p><h3 id='103-邮件转发设置'><span>10.3 邮件转发设置</span></h3><p><span> </span><img src="snap/10-3-1.jpg" referrerpolicy="no-referrer">
<span> </span><img src="snap/10-3-2.jpg" referrerpolicy="no-referrer">
<span> </span><img src="snap/10-3-3.jpg" referrerpolicy="no-referrer"></p><p><span>本系统支持邮件转发，前提是对应的邮箱账号需要开通 POP3/SMTP 等服务，按照图示开启即可，一般开启后会设置独立的管理密码，记得在系统设置那边的邮件转发，填写密码的时候要填的是独立管理密码，而不是邮箱号的密码，这个机制和任何第三方邮箱管理软件都一样。</span></p><h3 id='104-短信转发设置'><span>10.4 短信转发设置</span></h3><p><span> </span><img src="snap/10-4-1.jpg" referrerpolicy="no-referrer"></p><p><span>本系统支持串口短信发送，需要发短信的硬件支持（俗称DXM），采用通用的标准的AT指令短信发送协议，支持任意厂家的串口短信设备。当设备报警后会自动组建报警短信发送给设定的收件人。支持中文短信发送和长短信发送，可以自行网上GM对应的硬件。</span></p><h3 id='105-代码行数统计'><span>10.5 代码行数统计</span></h3><p><span> </span><img src="snap/10-5-1.jpg" referrerpolicy="no-referrer"></p><p><span>本系统除去第三方库（串口通信3rd_qextserialport、曲线图表3rd_qcustomplot、属性控件3rd_qtpropertybrowser、邮件发送3rd_smtpclient）的代码，总代码行数约4W行，纯代码行数约3W行。</span></p><h3 id='106-多种数据库支持'><span>10.6 多种数据库支持</span></h3><p><span>本系统支持多种数据库，包括sqlite、mysql、sqlserver、postgresql、oracle、kingbase等，直接在系统设置中的数据库配置中切换即可，切换完数据库以后记得初始化数据库，否则数据库不存在。</span></p><h4 id='1061-sqlite'><span>10.6.1 sqlite</span></h4><p><span> </span><img src="snap/10-6-1.jpg" referrerpolicy="no-referrer"></p><h4 id='1062-mysql'><span>10.6.2 mysql</span></h4><p><span> </span><img src="snap/10-6-2.jpg" referrerpolicy="no-referrer"></p><h4 id='1063-sqlserver'><span>10.6.3 sqlserver</span></h4><p><span> </span><img src="snap/10-6-3.jpg" referrerpolicy="no-referrer"></p><h4 id='1064-postgresql'><span>10.6.4 postgresql</span></h4><p><span> </span><img src="snap/10-6-4.jpg" referrerpolicy="no-referrer"></p><h4 id='1065-oracle'><span>10.6.5 oracle</span></h4><p><span> </span><img src="snap/10-6-5.jpg" referrerpolicy="no-referrer"></p><h4 id='1066-kingbase'><span>10.6.6 kingbase</span></h4><p><span> </span><img src="snap/10-6-6.jpg" referrerpolicy="no-referrer"></p><h3 id='107-采集数据转发'><span>10.7 采集数据转发</span></h3><p><span> </span><img src="snap/10-7-1.jpg" referrerpolicy="no-referrer">
<span> </span><img src="snap/10-7-2.jpg" referrerpolicy="no-referrer"></p><p><span>在系统设置中设置好网络转发参数后，可以在接收的地方开启网络数据接收，这样只需要接收数据解析反应到界面就行，相当于数据源不是硬件设备而是网络转发过来的数据，不需要直接接硬件设备。</span></p><p><span>网络转发端，单击同步数据会把本地的端口信息、控制器信息、探测器信息发到远端。网络转发模块也可以作为无限级联使用，比如接收端还可以开启转发，继续转发给需要的地方，一个客户端上设置的转发也支持多个，用英文分号 ; 隔开，一对多关系，采用的无连接udp协议，几乎不占用系统资源。</span></p><h3 id='108-云端数据库同步'><span>10.8 云端数据库同步</span></h3><p><span> </span><img src="snap/10-8-1.jpg" referrerpolicy="no-referrer">
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<span> </span><img src="snap/10-8-3.jpg" referrerpolicy="no-referrer"></p><p><span>云端数据库同步，相当于把本地采集到的数据实时存储到云端，至于这些记录到了云端后什么用途，一般会用来做web请求访问，或者app请求获取数据，具体应用看用户需求。</span></p><p><span>云端数据库也会存储到NodeData表中，意味着任意地方的客户端，都可以选择数据库采集模式，直接连接云端的数据库作为数据源。相当于可以无限级联。</span></p></div></div>

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