update chart

main.cpp

@@ -5,6 +5,7 @@
 int main(int argc, char *argv[]) {
     QApplication a(argc, argv);
     main_window win;
+    win.read_data();
     win.show();
     return QApplication::exec();
 }

main.ui

@@ -6,8 +6,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>1489</width>
+    <width>1089</width>
-    <height>875</height>
+    <height>943</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -16,29 +16,47 @@
   <widget class="QWidget" name="centralwidget">
    <layout class="QHBoxLayout" name="horizontalLayout">
     <item>
-     <widget class="QSplitter" name="splitter">
+     <widget class="QSplitter" name="splitter_2">
       <property name="orientation">
        <enum>Qt::Horizontal</enum>
       </property>
-      <widget class="QWidget" name="layoutWidget">
+      <widget class="QWidget" name="widget" native="true">
+       <property name="maximumSize">
+        <size>
+         <width>300</width>
+         <height>16777215</height>
+        </size>
+       </property>
        <layout class="QGridLayout" name="gridLayout">
-        <item row="3" column="1">
+        <item row="0" column="0">
-         <widget class="QComboBox" name="stopbitsComboBox">
+         <widget class="QPushButton" name="portUpdBtn">
-          <item>
           <property name="text">
-            <string>1</string>
+           <string>port</string>
           </property>
+         </widget>
         </item>
-          <item>
+        <item row="0" column="1">
+         <widget class="QComboBox" name="portsComboBox"/>
+        </item>
+        <item row="1" column="0">
+         <widget class="QLabel" name="label">
           <property name="text">
-            <string>1.5</string>
+           <string>Baudrate</string>
           </property>
+         </widget>
         </item>
-          <item>
+        <item row="1" column="1">
+         <widget class="QLineEdit" name="baudLineEdit">
           <property name="text">
-            <string>2</string>
+           <string>115200</string>
           </property>
+         </widget>
         </item>
+        <item row="2" column="0">
+         <widget class="QLabel" name="label_2">
+          <property name="text">
+           <string>Databits</string>
+          </property>
          </widget>
         </item>
         <item row="2" column="1">
@@ -65,13 +83,32 @@
           </item>
          </widget>
         </item>
-        <item row="0" column="0">
+        <item row="3" column="0">
-         <widget class="QPushButton" name="portUpdBtn">
+         <widget class="QLabel" name="label_3">
           <property name="text">
-           <string>port</string>
+           <string>Stopbis</string>
           </property>
          </widget>
         </item>
+        <item row="3" column="1">
+         <widget class="QComboBox" name="stopbitsComboBox">
+          <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>
+        </item>
         <item row="4" column="0">
          <widget class="QLabel" name="label_4">
           <property name="text">
@@ -79,9 +116,6 @@
           </property>
          </widget>
         </item>
-        <item row="0" column="1">
-         <widget class="QComboBox" name="portsComboBox"/>
-        </item>
         <item row="4" column="1">
          <widget class="QLineEdit" name="tmpFilenameEdit">
           <property name="text">
@@ -89,41 +123,13 @@
           </property>
          </widget>
         </item>
-        <item row="1" column="0">
+        <item row="5" column="0">
-         <widget class="QLabel" name="label">
-          <property name="text">
-           <string>Baudrate</string>
-          </property>
-         </widget>
-        </item>
-        <item row="2" column="0">
-         <widget class="QLabel" name="label_2">
-          <property name="text">
-           <string>Databits</string>
-          </property>
-         </widget>
-        </item>
-        <item row="5" column="0" colspan="2">
          <widget class="QPushButton" name="portOpenBtn">
           <property name="text">
            <string>open</string>
           </property>
          </widget>
         </item>
-        <item row="3" column="0">
-         <widget class="QLabel" name="label_3">
-          <property name="text">
-           <string>Stopbis</string>
-          </property>
-         </widget>
-        </item>
-        <item row="1" column="1">
-         <widget class="QLineEdit" name="baudLineEdit">
-          <property name="text">
-           <string>115200</string>
-          </property>
-         </widget>
-        </item>
         <item row="6" column="0">
          <spacer name="verticalSpacer">
           <property name="orientation">
@@ -132,13 +138,17 @@
           <property name="sizeHint" stdset="0">
            <size>
             <width>20</width>
-            <height>40</height>
+            <height>574</height>
            </size>
           </property>
          </spacer>
         </item>
        </layout>
       </widget>
+      <widget class="QSplitter" name="splitter">
+       <property name="orientation">
+        <enum>Qt::Vertical</enum>
+       </property>
        <widget class="QTextEdit" name="hexTextEdit">
         <property name="readOnly">
          <bool>true</bool>
@@ -150,6 +160,15 @@
         </property>
        </widget>
       </widget>
+      <widget class="QChartView" name="plotChartView">
+       <property name="minimumSize">
+        <size>
+         <width>600</width>
+         <height>0</height>
+        </size>
+       </property>
+      </widget>
+     </widget>
     </item>
    </layout>
   </widget>
@@ -158,13 +177,20 @@
     <rect>
      <x>0</x>
      <y>0</y>
-     <width>1489</width>
+     <width>1089</width>
      <height>31</height>
     </rect>
    </property>
   </widget>
   <widget class="QStatusBar" name="statusbar"/>
  </widget>
+ <customwidgets>
+  <customwidget>
+   <class>QChartView</class>
+   <extends>QGraphicsView</extends>
+   <header>qchartview.h</header>
+  </customwidget>
+ </customwidgets>
  <resources/>
  <connections/>
  <slots>

main_window.cpp

@@ -5,13 +5,8 @@
 #include "main_window.h"
 #include <QtSerialPort/QSerialPort>
 #include <QtSerialPort/QSerialPortInfo>
-#include <iostream>
 #include <queue>
-#include <QFile>
-#include<QMessageBox>
 #include <cstdint>
-#include <QLineSeries>
-#include <QChart>
 #include <QChartView>
 #include <QWidget>
 
@@ -34,8 +29,7 @@ void main_window::config_enable(bool ena) {
         portOpenBtn->setText("open"), is_open = false;
         if (receivefile.isOpen())
             receivefile.close();
-    }
+    } else {
-    else {
         portOpenBtn->setText("close"), is_open = true;
         auto filename = tmpFilenameEdit->text();
         receivefile.setFileName(filename);
@@ -44,6 +38,7 @@ void main_window::config_enable(bool ena) {
 
 }
 
+
 void main_window::setUiComponent() {
     this->ui = new Ui::MainWindow;
     ui->setupUi(this);
@@ -55,11 +50,45 @@ void main_window::setUiComponent() {
 
     hexTextEdit = ui->hexTextEdit;
     asciiTextEdit = ui->asciiTextEdit;
+
+    plotChartView = ui->plotChartView;
+
     portOpenBtn = ui->portOpenBtn;
     portUpdBtn = ui->portUpdBtn;
     statusbar = ui->statusbar;
+
     QObject::connect(portOpenBtn, SIGNAL(clicked()), this, SLOT(open_port()));
     QObject::connect(portUpdBtn, SIGNAL(clicked()), this, SLOT(update_ui_port()));
+    lineChart.chart->setTitle("WIP");
+    lineChart.axis_x->setRange(0, 5);
+    lineChart.axis_y->setRange(-2.5, 2.5);
+    lineChart.axis_x->setTickCount(11);
+    lineChart.axis_y->setTickCount(11);
+    lineChart.chart->addAxis(lineChart.axis_x, Qt::AlignBottom);
+    lineChart.chart->addAxis(lineChart.axis_y, Qt::AlignLeft);
+    lineChart.chart->addSeries(lineChart.data);
+    plotChartView->setChart(lineChart.chart);
+    lineChart.data->attachAxis(lineChart.axis_x);
+    lineChart.data->attachAxis(lineChart.axis_y);
+
+//    linedata = new QLineSeries();
+//    chart = new QChart();
+//    chart->setTitle("WIP");
+//    QValueAxis *axis_x = new QValueAxis();
+//    axis_x->setRange(0, 5);
+//    axis_x->setTickCount(11);
+//    QValueAxis *axis_y = new QValueAxis();
+//    axis_y->setRange(-2.5, 2.5);
+//    axis_y->setTickCount(11);
+//    chart->legend()->hide();
+//    chart->addAxis(axis_x, Qt::AlignBottom);
+//    chart->addAxis(axis_y, Qt::AlignLeft);
+//    chart->addSeries(linedata);
+//    plotChartView->setChart(chart);
+//    linedata->attachAxis(axis_x);
+//    linedata->attachAxis(axis_y);
+
+
 }
 
 void main_window::port_error_handler(QSerialPort::SerialPortError err) {
@@ -84,8 +113,8 @@ main_window::main_window(QWidget *parent) : QMainWindow(parent) {
     setUiComponent();
     QObject::connect(&port, SIGNAL(readyRead()), this, SLOT(read_data()));
     QObject::connect(&port, &QSerialPort::errorOccurred, this, &main_window::port_error_handler);
-    QFont font("Courier");
+//    QFont font("Courier");
-    hexTextEdit->setFont(font);
+//    hexTextEdit->setFont(font);
     QSerialPortInfo info;
     auto tmp = QSerialPortInfo::availablePorts();
     portsComboBox->clear();
@@ -101,7 +130,7 @@ main_window::main_window(QWidget *parent) : QMainWindow(parent) {
 }
 
 main_window::~main_window() {
-    delete ui;
+//    delete ui;
 }
 
 void main_window::update_ui_port() {
@@ -116,7 +145,7 @@ void main_window::open_port() {
         port.close();
         config_enable(true);
         statusbar->showMessage("close port success");
-        return ;
+        return;
     }
     if (portsComboBox->count() == 0) { return; }
     auto cur_port = portsComboBox->currentText();
@@ -136,7 +165,6 @@ void main_window::open_port() {
     port.setParity(QSerialPort::NoParity);
     port.setFlowControl(QSerialPort::NoFlowControl);
     if (port.open(QIODevice::ReadWrite)) {
-
         config_enable(false);
         statusbar->showMessage("open port success");
     } else {
@@ -147,13 +175,48 @@ void main_window::open_port() {
 
 
 static uint64_t rest = 0;
-
-static QLineSeries linedata;
 static int cnt = 0;
 static long long line_cnt = 0;
+QByteArray zero_finder;
+int zero_pos = -1;
+int buf_cnt = 0;
+int receive_cnt = 0;
 
 void main_window::read_data() {
     auto data = port.readAll();
+    static int val = 0;
+    if (zero_pos == -1) {
+        if (zero_finder.size() < 10)
+            zero_finder += data;
+        if (zero_finder.size() < 10) {
+            return;
+        }
+        int zero_cnt = 0;
+        for (int i = 0; i < 4; i++) {
+            if (zero_finder[i] == 0) {
+                zero_cnt++;
+                zero_pos = i;
+            }
+        }
+        for (int i = 4; i < zero_finder.size(); i++) {
+            if (zero_cnt == 1) {
+                break;
+            }
+            if (zero_finder[i - 4] == 0)
+                zero_cnt--;
+            if (zero_finder[i] == 0) {
+                zero_cnt++;
+                zero_pos = i;
+            }
+        }
+
+        for (int i = zero_pos+1; i < zero_finder.size(); i++) {
+
+
+        }
+    }
+
+
     asciiTextEdit->append(QString(data));
     cnt += data.size();
     QString new_text = QString(data.toHex(' ').toUpper()) + " ";
@@ -161,22 +224,11 @@ void main_window::read_data() {
     hexTextEdit->insertPlainText(new_text);
     auto val = hexTextEdit->toPlainText();
     receivefile.write(val.toUtf8());
-    if (hexTextEdit->toPlainText().length() > 1e3){
+    if (hexTextEdit->toPlainText().length() > 1e3) {
         hexTextEdit->clear();
         asciiTextEdit->clear();
     }
+    lineChart.data->append(0, 0.5);
+    lineChart.data->append(0.5, 1);
 }
 
-
-void main_window::update_chart() {
-    // TODO: memory leakage
-    QChart *chart = new QChart();
-    linedata.append(1, 10);
-    linedata.append(10, 7);
-    chart->addSeries(&linedata);
-    chart->createDefaultAxes();
-    chart->setTitle("WIP");
-    QChartView *chartview = new QChartView(chart);
-    chartview->show();
-
-}

main_window.h

@@ -9,7 +9,23 @@
 #include <QSerialPort>
 #include <QFile>
 #include <QThread>
+#include <QLineSeries>
 #include <QMessageBox>
+#include <QSplineSeries>
+#include <QValueAxis>
+
+typedef struct _Glinechart{
+    QLineSeries* data;
+    QValueAxis* axis_x;
+    QValueAxis* axis_y;
+    QChart* chart;
+    _Glinechart() {
+        data = new QLineSeries();
+        axis_x = new QValueAxis();
+        axis_y = new QValueAxis();
+        chart = new QChart();
+    }
+}GLineChart;
 
 class main_window : public QMainWindow {
 Q_OBJECT
@@ -45,8 +61,12 @@ private:
     QTextEdit *asciiTextEdit;
     QMenuBar *menubar;
     QStatusBar *statusbar;
+    QChartView *plotChartView;
 
     QMessageBox box;
+//    QChart* chart;
+//    QLineSeries* linedata;
+    GLineChart lineChart;
 
 private:
     void setUiComponent();
@@ -59,9 +79,6 @@ public slots:
 
     void read_data();
 
-    void update_chart();
-
-
     void port_error_handler(QSerialPort::SerialPortError err);
 
     void config_enable(bool ena);