4、Qt Project之串口数据传输

串口数据传输：

Step1：串口数据的发送和接收过程，我们需要单独的添加串口的相关模块进去，模块名称叫做serialport，我们需要建立的工程是QMainWindow的基类程序，不是QWidget程序

我们添加的位置是在xxx.pro文件当中，改文件如前所述，是包含当前工程所需要的核心模块的文件：

QT += core gui serialport

这里添加了core、gui、serialprot三个核心需要使用到的模块。

Step2：完成整个串口通讯程序的UI界面的设计工作：

<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
 <class>MainWindow</class>
 <widget class="QMainWindow" name="MainWindow">
  <property name="geometry">
   <rect>
    <x>0</x>
    <y>0</y>
    <width>473</width>
    <height>382</height>
   </rect>
  </property>
  <property name="windowTitle">
   <string>MainWindow</string>
  </property>
  <widget class="QWidget" name="centralWidget">
   <widget class="QLabel" name="label_6">
    <property name="geometry">
     <rect>
      <x>0</x>
      <y>0</y>
      <width>321</width>
      <height>51</height>
     </rect>
    </property>
    <property name="font">
     <font>
      <pointsize>28</pointsize>
      <italic>true</italic>
      <underline>false</underline>
      <strikeout>false</strikeout>
     </font>
    </property>
    <property name="cursor">
     <cursorShape>BlankCursor</cursorShape>
    </property>
    <property name="text">
     <string>Qt interface Demo!</string>
    </property>
    <property name="alignment">
     <set>Qt::AlignCenter</set>
    </property>
   </widget>
   <widget class="QLabel" name="label_5">
    <property name="geometry">
     <rect>
      <x>0</x>
      <y>50</y>
      <width>171</width>
      <height>51</height>
     </rect>
    </property>
    <property name="font">
     <font>
      <pointsize>16</pointsize>
      <italic>true</italic>
      <underline>false</underline>
      <strikeout>false</strikeout>
     </font>
    </property>
    <property name="cursor">
     <cursorShape>BlankCursor</cursorShape>
    </property>
    <property name="text">
     <string>SerialPort Control</string>
    </property>
    <property name="alignment">
     <set>Qt::AlignCenter</set>
    </property>
   </widget>
   <widget class="QLabel" name="label_4">
    <property name="geometry">
     <rect>
      <x>10</x>
      <y>100</y>
      <width>171</width>
      <height>21</height>
     </rect>
    </property>
    <property name="font">
     <font>
      <pointsize>10</pointsize>
      <italic>true</italic>
      <underline>false</underline>
      <strikeout>false</strikeout>
     </font>
    </property>
    <property name="cursor">
     <cursorShape>BlankCursor</cursorShape>
    </property>
    <property name="text">
     <string>Designed by : mm1994uestc</string>
    </property>
    <property name="alignment">
     <set>Qt::AlignCenter</set>
    </property>
   </widget>
   <widget class="QLabel" name="label">
    <property name="geometry">
     <rect>
      <x>10</x>
      <y>210</y>
      <width>91</width>
      <height>17</height>
     </rect>
    </property>
    <property name="text">
     <string>Send Content</string>
    </property>
   </widget>
   <widget class="QLabel" name="label_2">
    <property name="geometry">
     <rect>
      <x>0</x>
      <y>250</y>
      <width>111</width>
      <height>17</height>
     </rect>
    </property>
    <property name="text">
     <string>Recieve Content</string>
    </property>
   </widget>
   <widget class="QTextEdit" name="Send_Text">
    <property name="geometry">
     <rect>
      <x>120</x>
      <y>200</y>
      <width>231</width>
      <height>31</height>
     </rect>
    </property>
   </widget>
   <widget class="QTextEdit" name="Recieve_Text">
    <property name="geometry">
     <rect>
      <x>120</x>
      <y>240</y>
      <width>231</width>
      <height>81</height>
     </rect>
    </property>
   </widget>
   <widget class="QPushButton" name="Send">
    <property name="geometry">
     <rect>
      <x>360</x>
      <y>200</y>
      <width>98</width>
      <height>27</height>
     </rect>
    </property>
    <property name="text">
     <string>SEND</string>
    </property>
   </widget>
   <widget class="QPushButton" name="Clear">
    <property name="geometry">
     <rect>
      <x>360</x>
      <y>260</y>
      <width>98</width>
      <height>27</height>
     </rect>
    </property>
    <property name="text">
     <string>CLEAR</string>
    </property>
   </widget>
   <widget class="QComboBox" name="BaudRate">
    <property name="geometry">
     <rect>
      <x>280</x>
      <y>80</y>
      <width>78</width>
      <height>27</height>
     </rect>
    </property>
    <item>
     <property name="text">
      <string>115200</string>
     </property>
    </item>
    <item>
     <property name="text">
      <string>57600</string>
     </prop
19:41:19 收到数据：erty>
    </item>
    <item>
     <property name="text">
      <string>38400</string>
     </property>
    </item>
    <item>
     <property name="text">
      <string>19200</string>
     </property>
    </item>
    <item>
     <property name="text">
      <string>9600</string>
     </property>
    </item>
    <item>
     <property name="text">
      <string>4800</string>
     </property>
    </item>
    <item>
     <property name="text">
      <string>2400</string>
     </property>
    </item>
    <item>
     <property name="text">
      <string>1200</string>
     </property>
    </item>
   </widget>
   <widget class="QLabel" name="label_3">
    <property name="geometry">
     <rect>
      <x>290</x>
      <y>60</y>
      <width>61</width>
      <height>17</height>
     </rect>
    </property>
    <property name="text">
     <string>Baud Set</string>
    </property>
   </widget>
   <widget class="QLabel" name="label_7">
    <property name="geometry">
     <rect>
      <x>200</x>
      <y>60</y>
      <width>65</width>
      <height>17</height>
     </rect>
    </property>
    <property name="text">
     <string>Port Set</string>
    </property>
   </widget>
   <widget class="QComboBox" name="Port_Set">
    <property name="geometry">
     <rect>
      <x>190</x>
      <y>80</y>
      <width>78</width>
      <height>27</height>
     </rect>
    </property>
   </widget>
   <widget class="QComboBox" name="DataBit">
    <property name="geometry">
     <rect>
      <x>380</x>
      <y>80</y>
      <width>78</width>
      <height>27</height>
     </rect>
    </property>
    <item>
     <property name="text">
      <string>8</string>
     </property>
    </item>
    <item>
     <property name="text">
      <string>7</string>
     </property>
    </item>
    <item>
     <property name="text">
      <string>6</string>
     </property>
    </item>
    <item>
     <property name="text">
      <string>5</string>
     </property>
    </item>
   </widget>
   <widget class="QLabel" name="label_8">
    <property name="geometry">
     <rect>
      <x>390</x>
      <y>60</y>
      <width>61</width>
      <height>17</height>
     </rect>
    </property>
    <property name="text">
     <string>Data Bit</string>
    </property>
   </widget>
   <widget class="QComboBox" name="CheckBit">
    <property name="geometry">
     <rect>
      <x>190</x>
      <y>150</y>
      <width>78</width>
      <height>27</height>
     </rect>
    </property>
    <item>
     <property name="text">
      <string>None</string>
     </property>
    </item>
    <item>
     <property name="text">
      <string>Even</string>
     </property>
    </item>
    <item>
     <property name="text">
      <string>Odd</string>
     </property>
    </item>
    <item>
     <property name="text">
      <string>Mark</string>
     </property>
    </item>
    <item>
     <property name="text">
      <string>Space</string>
     </property>
    </item>
   </widget>
   <widget class="QLabel" name="label_9">
    <property name="geometry">
     <rect>
      <x>190</x>
      <y>130</y>
      <width>81</width>
      <height>20</height>
     </rect>
    </property>
    <property name="text">
     <string>Data Parity</string>
    </property>
   </widget>
   <widget class="QComboBox" name="StopBit">
    <property name="geometry">
     <rect>
      <x>280</x>
      <y>150</y>
      <width>78</width>
      <height>27</height>
     </rect>
    </property>
    <item>
     <property name="text">
      <string>1</string>
     </property>
    </item>
    <item>
     <property name="text">
      <string>1.5</string>
     </property>
    </item>
    <item>
     <property name="text">
      <string>2</string>
     </property>
    </item>
   </widget>
   <widget class="QLabel" name="label_10">
    <property name="geometry">
     <rect>
      <x>290</x>
      <y>130</y>
      <width>61</width>
      <height>17</height>
     </rect>
    </property>
    <property name="text">
     <string>Stop Bit</string>
    </property>
   </widget>
   <widget class="QComboBox" name="Stream">
    <property name="geometry">
     <rect>
      <x>380</x>
      <y>150</y>
      <width>78</width>
      <height>27</height>
     </rect>
    </property>
    <item>
     <property name="text">
      <string>NoFlowCtl</string>
     </property>
    </item>
    <item>
     <property name="text">
      <string>SoftWareCtl</string>
     </property>
    </item>
    <item>
     <property name="text">
      <string>HardWareCtl</string>
     </property>
    </item>
   </widget>
   <widget class="QLabel" name="label_11">
    <property name="geometry">
     <rect>
      <x>370</x>
      <y>130</y>
      <width>121</width>
      <height>17</height>
     </rect>
    </property>
    <property name="text">
     <string>Stream Control</string>
    </property>
   </widget>
   <widget class="QPushButton" name="Start_Stop_Button">
    <property name="geometry">
     <rect>
      <x>20</x>
      <y>130</y>
      <width>71</width>
      <height>71</height>
     </rect>
    </property>
    <property name="text">
     <string>Start/Stop</string>
    </property>
   </widget>
  </widget>
  <widget class="QMenuBar" name="menuBar">
   <property name="geometry">
    <rect>
     <x>0</x>
     <y>0</y>
     <width>473</width>
     <height>25</height>
    </rect>
   </property>
  </widget>
  <widget class="QToolBar" name="mainToolBar">
   <attribute name="toolBarArea">
    <enum>TopToolBarArea</enum>
   </attribute>
   <attribute name="toolBarBreak">
    <bool>false</bool>
   </attribute>
  </widget>
  <widget class="QStatusBar" name="statusBar"/>
 </widget>
 <layoutdefault spacing="6" margin="11"/>
 <resources/>
 <connections/>
</ui>

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