声明：本人水平有限，博客可能存在部分错误的地方，请广大读者谅解并向本人反馈错误。
这段时间大部分都是在学Qt，前面想着跟着书一章章的学，但是发现这个效率极低，所以就改变了学习的方法，那就是：根据我需要的功能，直接用Qt去做，一边做一边学，于是这篇博客就这样写出来了…
往期回顾：
【Qt学习笔记】（一）–Qt creator软件学习
【Qt学习笔记】（二）–第一个程序“Hello World”（学习Qt中程序的运行、发布、编译过程）
一、需求描述
首先给大家上个目前的效果图（后面还会继续针对这个上位机继续该专栏博客）：
1.1 基础功能
① 串口接收数据（使用简单的通信协议）；
② 保存数据至excel表格；
③ 实时显示传感器以及解算的姿态角度；
④ 实时显示数据波形图（可以选择要显示的数据）；
⑤ 实时对传感器数据进行校准并可以利用3D图形显示出来；
⑥ 可以使用Allan方差（或者动态Allan方法）对加速度计或陀螺仪进行误差分析；
⑦ 可以使用某些算法（自适应扩展卡尔曼滤波、互补滤波、互相关检测等）对传感器的数据进行处理并进行姿态结算；
目前已经实现的功能为①、③、④，其他功能会在后面逐步实现。
下面会直接通过代码的分析对已经实现的功能进行分析。
二、Ui文件的设置
2.1 自适应显示器分辨率
之前在做的时候，一直想着可以让窗口自适应显示器的分辨率，但是总是做不出来，最后通过这几天的摸索，终于知道如何去做了，下面整理一下方法：
首先，一定要利用好水平布局和垂直布局，当然还有格子布局，不过我个人还是比较习惯常用水平和垂直布局，那么接下来一起看看上面上位机的布局如何：
首先是centerwidget设置为垂直布局，它包含下面两个部分：
然后再把①部分继续细分布局下去，它里面是一个垂直布局，在垂直布局里放置三个Group Box：
然后呢，继续细分，把①和③再细说一下，②就是放一个垂直布局，再在垂直布局里放四个按钮即可。
好了，说回①：它是一个垂直布局，在垂直布局里按顺序放置一个水平布局（串口号+Comb Box）+按钮（搜索串口）+水平布局（波特率、停止位等）+按钮（打开串口）：
再回到前面的③，它其实是一个水平布局，在水平布局里面放置两个垂直布局，再在每个垂直布局各放置12个label:
这些看似麻烦，其实熟练了感觉就像剥洋葱一样，一层层的剥开就会发现这很简单…
其实最重要的还是MainWindow的设置：
同时还要右键MainWindow，选择“布局”中的一个布局方式，我个人常用水平或者垂直（两个都一样，因为它里面只有一个组件）：
2.2 添加Chart
这个其实就是Graphic View,把它拖进去之后，右键它，选择“提升为”QChartview:
下面是代码部分：首先在.pro文件添加下面一行代码：
QT += charts
// 下面三个新建的class要放在.h文件的public部分
QChart *chart =newQChart();
QValueAxis *axisX =new QValueAxis;
QValueAxis *axisY =new QValueAxis;//创建图表的各个部件
chart->setTitle("数据波形显示");// MainWindow::ui
ui->serialCurveChart->setChart(chart);
ui->serialCurveChart->setRenderHint(QPainter::Antialiasing);
QLineSeries *series0 =newQLineSeries();
QLineSeries *series1 =newQLineSeries();
QLineSeries *series2 =newQLineSeries();
QLineSeries *series3 =newQLineSeries();
QLineSeries *series4 =newQLineSeries();
QLineSeries *series5 =newQLineSeries();
QLineSeries *series6 =newQLineSeries();
QLineSeries *series7 =newQLineSeries();
QLineSeries *series8 =newQLineSeries();
QLineSeries *series9 =newQLineSeries();
QLineSeries *series10 =newQLineSeries();
QLineSeries *series11 =newQLineSeries();
series0->setName("加速度计X轴");
series1->setName("加速度计Y轴");
series2->setName("加速度计Z轴");
series3->setName("陀螺仪X轴");
series4->setName("陀螺仪Y轴");
series5->setName("陀螺仪Z轴");
series6->setName("磁力计X轴");
series7->setName("磁力计Y轴");
series8->setName("磁力计Z轴");
series9->setName("井斜角");
series10->setName("工具面角");
series11->setName("磁力计方位角");
curSeries = series0;
QPen pen;// 加速度计
pen.setStyle(Qt:: SolidLine);
pen.setWidth(2);
pen.setColor(PaleTurquoise1);
series0->setPen(pen);
pen.setStyle(Qt::SolidLine);
pen.setColor(DarkSeaGreen2);
series1->setPen(pen);
pen.setStyle(Qt:: SolidLine);
pen.setWidth(2);
pen.setColor(SpringGreen1);
series2->setPen(pen);// 陀螺仪
pen.setStyle(Qt::DashLine);
pen.setColor(MediumBlue);
series3->setPen(pen);
pen.setStyle(Qt:: DashLine);
pen.setWidth(2);
pen.setColor(PaleGreen);
series4->setPen(pen);
pen.setStyle(Qt::DashLine);
pen.setColor(IndianRed1);
series5->setPen(pen);// 磁力计
pen.setStyle(Qt:: DashDotDotLine);
pen.setWidth(2);
pen.setColor(DeepPink);
series6->setPen(pen);
pen.setStyle(Qt::DashDotDotLine);
pen.setColor(HotPink1);
series7->setPen(pen);
pen.setStyle(Qt::DashDotDotLine);
pen.setColor(Violet);
series8->setPen(pen);// 姿态角
pen.setStyle(Qt::DotLine);
pen.setWidth(2);
pen.setColor(DodgerBlue1);
series9->setPen(pen);
pen.setStyle(Qt::DotLine);
pen.setColor(SkyBlue1);
series10->setPen(pen);
pen.setStyle(Qt::DotLine);
pen.setColor(LemonChiffon3);
series11->setPen(pen);// 设置背景
chart->setTheme(QChart::ChartThemeDark);
chart->addSeries(series0);
chart->addSeries(series1);
chart->addSeries(series2);
chart->addSeries(series3);
chart->addSeries(series4);
chart->addSeries(series5);
chart->addSeries(series6);
chart->addSeries(series7);
chart->addSeries(series8);
chart->addSeries(series9);
chart->addSeries(series10);
chart->addSeries(series11);
curAxis = axisX;
axisX->setRange(0, maxNumber);
axisX->setLabelFormat("%d");
axisX->setTickCount(11);
axisX->setMinorTickCount(4);
axisX->setTitleText("采样点");
axisY->setRange(axisY_Min-100, axisY_Max+100);//设置Y轴最大最小值
axisY->setLabelFormat("%.2f");
axisY->setTitleText("value");
axisY->setTickCount(5);
axisY->setMinorTickCount(4);
chart->addAxis(axisX, Qt::AlignBottom);
chart->addAxis(axisY, Qt::AlignLeft);
chart->setAxisX(axisX, series0);// x****
chart->setAxisX(axisX, series1);//WWx
chart->setAxisX(axisX, series2);// x****
chart->setAxisX(axisX, series3);//WWx
chart->setAxisX(axisX, series4);// x****
chart->setAxisX(axisX, series5);//WWx
chart->setAxisX(axisX, series6);// x****
chart->setAxisX(axisX, series7);//WWx
chart->setAxisX(axisX, series8);// x****
chart->setAxisX(axisX, series9);//WWx
chart->setAxisX(axisX, series10);// x****
chart->setAxisX(axisX, series11);//WWx
chart->setAxisY(axisY, series0);//WY
chart->setAxisY(axisY, series1);//WY
chart->setAxisY(axisY, series2);//WY
chart->setAxisY(axisY, series3);//WY
chart->setAxisY(axisY, series4);//WY
chart->setAxisY(axisY, series5);//WY
chart->setAxisY(axisY, series6);//WY
chart->setAxisY(axisY, series7);//WY
chart->setAxisY(axisY, series8);//WY
chart->setAxisY(axisY, series9);//WY
chart->setAxisY(axisY, series10);//WY
chart->setAxisY(axisY, series11);//WY
2.3 样式表
原始的控件是很丑的，所以想要界面好看，那就得自己做一个（或者找一个样式表），下面是我目前在用的样式表：
/*
Dark Console Style Sheet for QT Applications
Author: Jaime A. Quiroga P.
Company: GTRONICK
Last updated: 24/05/2018, 17:12.
Available at: https://github.com/GTRONICK/QSS/blob/master/ConsoleStyle.qss
*/
QWidget {
background-color:rgb(0,0,0);
color:rgb(240,240,240);
border-color:rgb(58,58,58);}
QPlainTextEdit {
background-color:rgb(0,0,0);
color:rgb(200,200,200);
selection-background-color:rgb(255,153,0);
selection-color:rgb(0,0,0);}
QTabWidget::pane {
border-top:1px solid #000000;}
QTabBar::tab {
background-color:rgb(0,0,0);
border-style: outset;
border-width:1px;
border-right-color:qlineargradient(spread:pad, x1:0.4, y1:0.5, x2:0.6, y2:0.5, stop:0rgba(115,115,115,255), stop:1rgba(62,62,62,255));
border-left-color:qlineargradient(spread:pad, x1:0.6, y1:0.5, x2:0.4, y2:0.5, stop:0rgba(115,115,115,255), stop:1rgba(62,62,62,255));
border-bottom-color:rgb(58,58,58);
border-bottom-width:1px;
border-top-width:0px;
border-style: solid;
color:rgb(255,153,0);
padding:4px;}
QTabBar::tab:selected, QTabBar::tab:hover {
color:rgb(255,255,255);
background-color:rgb(0,0,0);
border-color:rgb(42,42,42);
margin-left:0px;
margin-right:0px;
border-bottom-right-radius:4px;
border-bottom-left-radius:4px;}
QTabBar::tab:last:selected {
background-color:rgb(0,0,0);
border-color:rgb(42,42,42);
margin-left:0px;
margin-right:0px;
border-bottom-right-radius:4px;
border-bottom-left-radius:4px;}
QTabBar::tab:!selected {
margin-bottom:4px;
border-bottom-right-radius:4px;
border-bottom-left-radius:4px;}
QPushButton{
border-style: outset;
border-width:2px;
border-top-color:qlineargradient(spread:pad, x1:0.5, y1:0.6, x2:0.5, y2:0.4, stop:0rgba(115,115,115,255), stop:1rgba(62,62,62,255));
border-right-color:qlineargradient(spread:pad, x1:0.4, y1:0.5, x2:0.6, y2:0.5, stop:0rgba(115,115,115,255), stop:1rgba(62,62,62,255));
border-left-color:qlineargradient(spread:pad, x1:0.6, y1:0.5, x2:0.4, y2:0.5, stop:0rgba(115,115,115,255), stop:1rgba(62,62,62,255));
border-bottom-color:rgb(58,58,58);
border-bottom-width:1px;
border-style: solid;
color:rgb(255,255,255);
padding:6px;
background-color:qlineargradient(spread:pad, x1:0.5, y1:1, x2:0.5, y2:0, stop:0rgba(77,77,77,255), stop:1rgba(97,97,97,255));}
QPushButton:hover{
border-style: outset;
border-width:2px;
border-top-color:qlineargradient(spread:pad, x1:0.5, y1:0.6, x2:0.5, y2:0.4, stop:0rgba(180,180,180,255), stop:1rgba(110,110,110,255));
border-right-color:qlineargradient(spread:pad, x1:0.4, y1:0.5, x2:0.6, y2:0.5, stop:0rgba(180,180,180,255), stop:1rgba(110,110,110,255));
border-left-color:qlineargradient(spread:pad, x1:0.6, y1:0.5, x2:0.4, y2:0.5, stop:0rgba(180,180,180,255), stop:1rgba(110,110,110,255));
border-bottom-color:rgb(115,115,115);
border-bottom-width:1px;
border-style: solid;
color:rgb(255,255,255);
padding:6px;
background-color:qlineargradient(spread:pad, x1:0.5, y1:1, x2:0.5, y2:0, stop:0rgba(107,107,107,255), stop:1rgba(157,157,157,255));}
QPushButton:pressed{
border-style: outset;
border-width:2px;
border-top-color:qlineargradient(spread:pad, x1:0.5, y1:0.6, x2:0.5, y2:0.4, stop:0rgba(62,62,62,255), stop:1rgba(22,22,22,255));
border-right-color:qlineargradient(spread:pad, x1:0.4, y1:0.5, x2:0.6, y2:0.5, stop:0rgba(115,115,115,255), stop:1rgba(62,62,62,255));
border-left-color:qlineargradient(spread:pad, x1:0.6, y1:0.5, x2:0.4, y2:0.5, stop:0rgba(115,115,115,255), stop:1rgba(62,62,62,255));
border-bottom-color:rgb(58,58,58);
border-bottom-width:1px;
border-style: solid;
color:rgb(255,255,255);
padding:6px;
background-color:qlineargradient(spread:pad, x1:0.5, y1:1, x2:0.5, y2:0, stop:0rgba(77,77,77,255), stop:1rgba(97,97,97,255));}
QPushButton:disabled{
border-style: outset;
border-width:2px;
border-top-color:qlineargradient(spread:pad, x1:0.5, y1:0.6, x2:0.5, y2:0.4, stop:0rgba(115,115,115,255), stop:1rgba(62,62,62,255));
border-right-color:qlineargradient(spread:pad, x1:0.4, y1:0.5, x2:0.6, y2:0.5, stop:0rgba(115,115,115,255), stop:1rgba(62,62,62,255));
border-left-color:qlineargradient(spread:pad, x1:0.6, y1:0.5, x2:0.4, y2:0.5, stop:0rgba(115,115,115,255), stop:1rgba(62,62,62,255));
border-bottom-color:rgb(58,58,58);
border-bottom-width:1px;
border-style: solid;
color:rgb(0,0,0);
padding:6px;
background-color:qlineargradient(spread:pad, x1:0.5, y1:1, x2:0.5, y2:0, stop:0rgba(57,57,57,255), stop:1rgba(77,77,77,255));}
QLineEdit {
border-width:1px; border-radius:4px;
border-color:rgb(58,58,58);
border-style: inset;
padding:08px;
color:rgb(255,255,255);
background:rgb(101,101,101);
selection-background-color:rgb(187,187,187);
selection-color:rgb(60,63,65);}
QProgressBar {
text-align: center;
color:rgb(255,255,255);
border-width:1px;
border-radius:10px;
border-color:rgb(58,58,58);
border-style: inset;}
QProgressBar::chunk {
background-color:qlineargradient(spread:pad, x1:0.5, y1:0.7, x2:0.5, y2:0.3, stop:0rgba(0,200,0,255), stop:1rgba(30,230,30,255));
border-radius:10px;}
QMenuBar {
background:rgb(0,0,0);
color:rgb(255,153,0);}
QMenuBar::item {
spacing:3px;
padding:1px 4px;
background: transparent;}
QMenuBar::item:selected {
background:rgb(115,115,115);}
QMenu {
border-width:2px;
border-radius:10px;
border-color:rgb(255,153,0);
border-style: outset;}
QMenu::item {
spacing:3px;
padding:3px 15px;}
QMenu::item:selected {
spacing:3px;
padding:3px 15px;
background:rgb(115,115,115);
color:rgb(255,255,255);
border-width:1px;
border-radius:10px;
border-color:rgb(58,58,58);
border-style: inset;}
三、串口接收数据
这部分咱就直接上代码了，目前很多博主大部分都在用，我的呢还是有点小bug的，不过是可以用的。
首先一定要修改.pro文件，而且要在所需的类里包含serialport的头文件：
QT += serialport
QString lastPort="",newPort="";MainWindow::MainWindow(QWidget *parent):QMainWindow(parent),ui(new Ui::MainWindow){
ui->setupUi(this);
m_serialPort =new QSerialPort;
QStringList baudrateList,stopList,parityList,dataBitList;
baudrateList<<"1200"<<"2400"<<"4800"<<"9600"<<"19200"<<"38400"<<"57600"<<"115200";
ui->baud->addItems(baudrateList);
stopList<<"1"<<"2";
ui->stopBit->addItems(stopList);
parityList<<"NoParity"<<"EvenParity"<<"OddParity"<<"SpaceParity"<<"MarkParity";
ui->parityBit->addItems(parityList);
dataBitList<<"5"<<"6"<<"7"<<"8";
ui->dataBit->addItems(dataBitList);// 修改功能区标题：
ui->functionSelect->setTabText(0,"数据波形显示");
ui->functionSelect->setTabText(1,"传感器校准");
ui->functionSelect->setTabText(2,"Allan方差分析");
ui->functionSelect->setTabText(3,"姿态结算");// 获取串口号按钮与box连接connect(ui->searchPort,&QPushButton::clicked,this,&MainWindow::getPortNameList);connect(m_serialPort,&QSerialPort::readyRead,[=](){recvData();//读取数据的函数});// 设置默认参数
ui->baud->setCurrentText("115200");
ui->stopBit->setCurrentText("1");
ui->dataBit->setCurrentText("8");
ui->parityBit->setCurrentText("NoParity");// 创建图形createChart();}MainWindow::~MainWindow(){delete ui;}voidMainWindow::getPortNameList(){foreach(const QSerialPortInfo &info,QSerialPortInfo::availablePorts()){
newPort = info.portName();// newPort和lastPort均为全局变量，保证一个串口只打开一次if(newPort != lastPort){if(newPort==""){
ui->searchPort->setText("无串口!");}else ui->serialPort->addItem(newPort);// ui->recieveData->appendPlainText("串口号:"+newPort);}
lastPort = newPort;// 上一次搜索到的串口号}if(newPort!=""){
ui->searchPort->setText("获取串口号:"+ui->serialPort->currentText()+"成功!");}}voidMainWindow::on_openPort_clicked(){if(ui->openPort->text()=="打开串口"){// 如果此时还未打开串口
ui->openPort->setText("正在打开串口...");
m_serialPort->setPortName(ui->serialPort->currentText());// 选择当前串口的名称if(!m_serialPort->open(QIODevice::ReadWrite)){// 打开串口失败
ui->openPort->setText("串口打开失败!");return;}// 根据当前选择设置串口功能// 设置波特率switch(ui->baud->currentText().toInt()){case1200: m_serialPort->setBaudRate(QSerialPort::Baud1200,QSerialPort::AllDirections);break;case2400: m_serialPort->setBaudRate(QSerialPort::Baud2400,QSerialPort::AllDirections);break;case4800: m_serialPort->setBaudRate(QSerialPort::Baud4800,QSerialPort::AllDirections);break;case9600: m_serialPort->setBaudRate(QSerialPort::Baud9600,QSerialPort::AllDirections);break;case19200: m_serialPort->setBaudRate(QSerialPort::Baud19200,QSerialPort::AllDirections);break;case38400: m_serialPort->setBaudRate(QSerialPort::Baud38400,QSerialPort::AllDirections);break;case57600: m_serialPort->setBaudRate(QSerialPort::Baud57600,QSerialPort::AllDirections);break;case115200: m_serialPort->setBaudRate(QSerialPort::Baud115200,QSerialPort::AllDirections);break;default:break;}// 设置校验位switch(ui->parityBit->currentIndex()){case0: m_serialPort->setParity(QSerialPort::NoParity);break;case1: m_serialPort->setParity(QSerialPort::EvenParity);break;case2: m_serialPort->setParity(QSerialPort::OddParity);break;case3: m_serialPort->setParity(QSerialPort::SpaceParity);break;case4: m_serialPort->setParity(QSerialPort::MarkParity);break;default:break;}// 设置停止位switch(ui->stopBit->currentText().toInt()){case1:m_serialPort->setStopBits(QSerialPort::OneStop);break;case2:m_serialPort->setStopBits(QSerialPort::TwoStop);break;default:break;}//设置数据位switch(ui->dataBit->currentText().toInt()){case5: m_serialPort->setDataBits(QSerialPort::Data5);break;case6: m_serialPort->setDataBits(QSerialPort::Data6);break;case7: m_serialPort->setDataBits(QSerialPort::Data7);break;case8: m_serialPort->setDataBits(QSerialPort::Data8);break;default:break;}// 关闭所有box 使其不可选
ui->baud->setDisabled(1);
ui->searchPort->setDisabled(1);
ui->baud->setDisabled(1);
ui->dataBit->setDisabled(1);
ui->parityBit->setDisabled(1);
ui->stopBit->setDisabled(1);
ui->serialPort->setDisabled(1);
ui->openPort->setText("关闭串口");}elseif(ui->openPort->text()=="关闭串口"||ui->openPort->text()=="串口打开失败!"){// 打开所有box
ui->baud->setEnabled(1);
ui->searchPort->setEnabled(1);
ui->baud->setEnabled(1);
ui->dataBit->setEnabled(1);
ui->parityBit->setEnabled(1);
ui->stopBit->setEnabled(1);
ui->serialPort->setEnabled(1);
ui->openPort->setText("打开串口");
m_serialPort->close();// 记得关闭串口//qDebug()<<"1111";}}char storeData[100];// 保存数据int16_t i =0,displayFlag =0;// 数据索引voidMainWindow::recvData(){bool ok;int16_t accAndGro_Data[100]={0};
QByteArray hexData,G2 ;if(m_serialPort->bytesAvailable()){//串口收到的数据可能不是连续的，需要的话应该把数据缓存下来再进行协议解析，类似tcp数据处理const QByteArray recv_data = m_serialPort->readAll();if(recv_data.startsWith("\xFF")||displayFlag){
QString stringHex = recv_data.toHex().toUpper();
QString textShow;// 解析数据:for(int j =0;j<stringHex.length();j++){
accAndGro_Data[j]= stringHex.mid(2*j,2).toInt(&ok,16);}// 加速度数据：
accData[0]=(accAndGro_Data[2]<<8)+ accAndGro_Data[3];
accData[1]=(accAndGro_Data[4]<<8)+ accAndGro_Data[5];
accData[2]=(accAndGro_Data[6]<<8)+ accAndGro_Data[7];// 陀螺仪数据:
accData[3]=(accAndGro_Data[8]<<8)+ accAndGro_Data[9];
accData[4]=(accAndGro_Data[10]<<8)+ accAndGro_Data[11];
accData[5]=(accAndGro_Data[12]<<8)+ accAndGro_Data[13];// 姿态参数:
accData[6]=(accAndGro_Data[14]<<8)+ accAndGro_Data[15];// 井斜角
accData[7]=(accAndGro_Data[16]<<8)+ accAndGro_Data[17];// 方位角
accData[8]=(accAndGro_Data[18]<<8)+ accAndGro_Data[19];// 工具面角// 磁力计数据
accData[9]=(accAndGro_Data[20]<<8)+ accAndGro_Data[21];
accData[10]=(accAndGro_Data[22]<<8)+ accAndGro_Data[23];
accData[11]=(accAndGro_Data[24]<<8)+ accAndGro_Data[25];// 地磁方位角
accData[12]=(accAndGro_Data[26]<<8)+ accAndGro_Data[27];
accX_Data[rec_Number - exceedFlag * MAXNUMBER]= accData[0];updataAxisYMaxAndMin(accData[0]);
accY_Data[rec_Number - exceedFlag * MAXNUMBER]= accData[1];updataAxisYMaxAndMin(accData[1]);
accZ_Data[rec_Number - exceedFlag * MAXNUMBER]= accData[2];updataAxisYMaxAndMin(accData[2]);
gyroX_Data[rec_Number - exceedFlag * MAXNUMBER]= accData[3];updataAxisYMaxAndMin(accData[3]);
gyroY_Data[rec_Number - exceedFlag * MAXNUMBER]= accData[4];updataAxisYMaxAndMin(accData[4]);
gyroZ_Data[rec_Number - exceedFlag * MAXNUMBER]= accData[5];updataAxisYMaxAndMin(accData[5]);
magX_Data[rec_Number - exceedFlag * MAXNUMBER]= accData[9];updataAxisYMaxAndMin(accData[9]);
magY_Data[rec_Number - exceedFlag * MAXNUMBER]= accData[10];updataAxisYMaxAndMin(accData[10]);
magZ_Data[rec_Number - exceedFlag * MAXNUMBER]= accData[11];updataAxisYMaxAndMin(accData[11]);
inclina_Data[rec_Number - exceedFlag * MAXNUMBER]= accData[6]/100;updataAxisYMaxAndMin(accData[6]/100);
toolface_Data[rec_Number - exceedFlag * MAXNUMBER]= accData[8]/100;updataAxisYMaxAndMin(accData[8]/100);
azimuth_Data[rec_Number - exceedFlag * MAXNUMBER]= accData[7]/100;updataAxisYMaxAndMin(accData[7]/100);
ui->accX_Data->setNum(accData[0]);
ui->accY_Data->setNum(accData[1]);
ui->accZ_Data->setNum(accData[2]);
ui->gyroX_Data->setNum(accData[3]);
ui->gyroY_Data->setNum(accData[4]);
ui->gyroZ_Data->setNum(accData[5]);
ui->magX_Data->setNum(accData[9]);
ui->magY_Data->setNum(accData[10]);
ui->magZ_Data->setNum(accData[11]);
ui->inclination_Data->setNum(accData[6]/100.0);
ui->toolFace_Data->setNum(accData[8]/100.0);
ui->azimuth_Data->setNum(accData[7]/100.0);// 更新数据serialDataDisplay();for(int i=0;i<stringHex.length();i+=2){
textShow += stringHex.mid(i,2);
textShow +=" ";}
displayFlag =1;if(stringHex.length()>23){
i=0;
hexData =0;
QDateTime dateTime=QDateTime::currentDateTime();//获取系统当前的时间
displayFlag =0;}}}}
四、波形显示
4.1 串口接收数据在chart上以波形显示
话不多说，直接上代码：
voidMainWindow::serialDataDisplay(){
QLineSeries *series0=(QLineSeries *)ui->serialCurveChart->chart()->series().at(0);
QLineSeries *series1=(QLineSeries *)ui->serialCurveChart->chart()->series().at(1);
QLineSeries *series2=(QLineSeries *)ui->serialCurveChart->chart()->series().at(2);
QLineSeries *series3=(QLineSeries *)ui->serialCurveChart->chart()->series().at(3);
QLineSeries *series4=(QLineSeries *)ui->serialCurveChart->chart()->series().at(4);
QLineSeries *series5=(QLineSeries *)ui->serialCurveChart->chart()->series().at(5);
QLineSeries *series6=(QLineSeries *)ui->serialCurveChart->chart()->series().at(6);
QLineSeries *series7=(QLineSeries *)ui->serialCurveChart->chart()->series().at(7);
QLineSeries *series8=(QLineSeries *)ui->serialCurveChart->chart()->series().at(8);
QLineSeries *series9=(QLineSeries *)ui->serialCurveChart->chart()->series().at(9);
QLineSeries *series10=(QLineSeries *)ui->serialCurveChart->chart()->series().at(10);
QLineSeries *series11=(QLineSeries *)ui->serialCurveChart->chart()->series().at(11);if(rec_Number>=maxNumber){
maxNumber = maxNumber +2;
curAxis = axisX;//
axisX->setRange(rec_Number-200, maxNumber);//200改为宏定义}if(rec_Number>=(MAXNUMBER*(exceedFlag+1)-1))// 数组保存的数据已经超限{// stopRefreshFlag = 1;
exceedFlag +=1;
rec_Number = MAXNUMBER*(exceedFlag);}else{if(dataSelect[0]) series0->append(rec_Number,accX_Data[rec_Number - exceedFlag * MAXNUMBER]);if(dataSelect[1]) series1->append(rec_Number,accY_Data[rec_Number - exceedFlag * MAXNUMBER]);if(dataSelect[2]) series2->append(rec_Number,accZ_Data[rec_Number - exceedFlag * MAXNUMBER]);if(dataSelect[3]) series3->append(rec_Number,gyroX_Data[rec_Number - exceedFlag * MAXNUMBER]);if(dataSelect[4]) series4->append(rec_Number,gyroY_Data[rec_Number - exceedFlag * MAXNUMBER]);if(dataSelect[5]) series5->append(rec_Number,gyroZ_Data[rec_Number - exceedFlag * MAXNUMBER]);if(dataSelect[6]) series6->append(rec_Number,magX_Data[rec_Number - exceedFlag * MAXNUMBER]);if(dataSelect[7]) series7->append(rec_Number,magY_Data[rec_Number - exceedFlag * MAXNUMBER]);if(dataSelect[8]) series8->append(rec_Number,magZ_Data[rec_Number - exceedFlag * MAXNUMBER]);if(dataSelect[9]) series9->append(rec_Number,inclina_Data[rec_Number - exceedFlag * MAXNUMBER]);if(dataSelect[10])series10->append(rec_Number,toolface_Data[rec_Number - exceedFlag * MAXNUMBER]);if(dataSelect[11])series11->append(rec_Number,azimuth_Data[rec_Number - exceedFlag * MAXNUMBER]);
rec_Number = rec_Number +1;}}
代码这部分呢虽然麻烦，但是是在调试过程中，逐步解决而完成的，所以会麻烦一点。
4.2 按钮打开新对话框并选择显示的数据
在这里是新建了一个设计器界面，然后和MainWindow进行了信号与槽的连接，进而实现数据选择功能，下面是新建设计器界面的步骤（因为我已经创建了，在此就不再重新添加了）：
下面是我的代码：
.h文件：
#ifndefDIALOGSELECTDATA_H#defineDIALOGSELECTDATA_H#include<QDialog>externint16_t dataSelect[20];namespace Ui {classDialogselectdata;}classDialogselectdata:publicQDialog{
Q_OBJECT
public:explicitDialogselectdata(QWidget *parent =nullptr);~Dialogselectdata();private slots:voidon_OK_clicked();public slots:voidcheckBoxState();private:
Ui::Dialogselectdata *dialog_ui;};#endif// DIALOGSELECTDATA_H
.c文件
#include"dialogselectdata.h"#include"ui_dialogselectdata.h"int16_t dataSelect[20]={1,1,1,0,0,0,0};// 选择要显示的数据Dialogselectdata::Dialogselectdata(QWidget *parent):QDialog(parent),dialog_ui(new Ui::Dialogselectdata){
dialog_ui->setupUi(this);}Dialogselectdata::~Dialogselectdata(){delete dialog_ui;}voidDialogselectdata::on_OK_clicked(){if(dialog_ui->accX_select->isChecked())dataSelect[0]=1;else dataSelect[0]=0;if(dialog_ui->accY_select->isChecked())dataSelect[1]=1;else dataSelect[1]=0;if(dialog_ui->accZ_select->isChecked())dataSelect[2]=1;else dataSelect[2]=0;if(dialog_ui->gyroX_select->isChecked())dataSelect[3]=1;else dataSelect[3]=0;if(dialog_ui->gyroY_select->isChecked())dataSelect[4]=1;else dataSelect[4]=0;if(dialog_ui->gyroZ_select->isChecked())dataSelect[5]=1;else dataSelect[5]=0;if(dialog_ui->magX_select->isChecked())dataSelect[6]=1;else dataSelect[6]=0;if(dialog_ui->magY_select->isChecked())dataSelect[7]=1;else dataSelect[7]=0;if(dialog_ui->magZ_select->isChecked())dataSelect[8]=1;else dataSelect[8]=0;if(dialog_ui->inclination_select->isChecked())dataSelect[9]=1;else dataSelect[9]=0;if(dialog_ui->toolface_select->isChecked())dataSelect[10]=1;else dataSelect[10]=0;if(dialog_ui->azimuth_select->isChecked())dataSelect[11]=1;else dataSelect[11]=0;}
五、总结
虽然边做边学的学习方法做起来可能会比较费劲，但是慢慢地积累多了也就会了，这篇博客代码比较多，可能也比较乱，后面会继续完善这篇博客的，希望和大家共同学习，一起进步哦~
本文转载自: https://blog.csdn.net/weixin_44412311/article/details/136857324
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版权归原作者 致虚守静~归根复命 所有， 如有侵权，请联系我们删除。