update

libzqt/widgetplot2d.cpp

@@ -110,12 +110,12 @@ void WidgetPlot2D::initGraphName(QStringList name) {
 }
 
 /* 添加数据 */
-void WidgetPlot2D::addData(QString name, double value, int abs) {
+void WidgetPlot2D::addData(QString name, double value, int offms) {
   // 如果点击了“暂停”按钮，则不绘制图形
   if (ui->pausePBtn->text() == "开始") return;
   // 系统当前时间 = 系统运行初始时间 + 系统运行时间
-  static double start = 0;
-  double        key   = abs;
+  static double start = time.hour() * 60 * 60 + time.minute() * 60 + time.second() + time.msec() / 1000.0;
+  double        key   = start + time.elapsed() / 1000.0 + offms / 1000;
   //    double start = 0;
   //    static int key = 0;
   //    key++;
@@ -129,7 +129,7 @@ void WidgetPlot2D::addData(QString name, double value, int abs) {
     ui->customPlot->rescaleAxes();
   }
   // 设置时间轴
-  int timeAxis = ui->customPlot->xAxis->range().size();
+  int timeAxis = ui->timeAxisSpin->value();
   ui->customPlot->xAxis->setRange(key, timeAxis, Qt::AlignRight);
   // x轴和y轴全程显示
   if (ui->fullShowCheck->isChecked()) {
@@ -152,7 +152,7 @@ void WidgetPlot2D::addData(QString name, double value, int abs) {
   static int    frameCount = 0;
   frameCount++;
   // 每2秒显示一次帧率
-  if (key - lastFpsKey > 50) {
+  if (key - lastFpsKey > 0.5) {
     uint64_t sum = 0;
     for (int i = 0; i < ui->customPlot->plottableCount(); i++) {
       sum += uint64_t(ui->customPlot->graph(i)->data()->size());
@@ -440,8 +440,7 @@ void WidgetPlot2D::savePlotPng() {
 void WidgetPlot2D::horzScrollBarChanged(int value) {
   // 若全程显示，则不移动绘图坐标
   if (ui->fullShowCheck->isChecked()) return;
-  // int timeAxis = ui->timeAxisSpin->value();
-  int timeAxis = ui->customPlot->xAxis->range().size();
+  int timeAxis = ui->timeAxisSpin->value();
   ui->customPlot->xAxis->setRange(value, timeAxis, Qt::AlignRight);
   ui->customPlot->replot();
 }

mainwindow.cpp

@@ -285,13 +285,16 @@ void MainWindow::constructUI() {
               lostpacket++;
             }
             lastpacket_index = heartrate_report->sample_data_index;
-            reportPreviewShow("[preview data  ] lost:%d index %d %d", lostpacket, heartrate_report->sample_data_index, packetlen);
+
+            uint32_t timestamp = *(uint32_t*)(&heartrate_report->data[50*4]);
+
+            reportPreviewShow("[preview data  ] timestamp:%10d lost:%d index %d packetlen %d", timestamp,lostpacket, heartrate_report->sample_data_index, packetlen);
 
             int32_t *frame = (int32_t *)heartrate_report->data;
             for (int i = 0; i < 50; i++) {
-              int32_t data = frame[i];
+              int32_t data       = frame[i];
               int32_t frameIndex = heartrate_report->sample_data_index + i;
-              emit    doinui_signal(QFunction([this, data, frameIndex]() { wp2d->addData("心电", data, frameIndex); }));
+              emit    doinui_signal(QFunction([this, data, i]() { wp2d->addData("心电", data, i * 2); }));
             }
           }
         }