add screen library

ide-touchgfx-gen/TouchGFX/gui/src/mainview_screen/MainViewView.cpp

@@ -0,0 +1,75 @@
+#include <cassert>
+#include "gui/mainview_screen/MainViewView.hpp"
+#include "app/gui.h"
+
+MainViewView* MainViewView::_instance = nullptr;
+
+MainViewView::MainViewView()
+{
+    assert(!_instance);
+	if(_instance==nullptr){
+	    _instance = this;
+	}
+}
+
+MainViewView* MainViewView::getInstance() {
+	return _instance;
+}
+
+void MainViewView::setupScreen()
+{
+    MainViewViewBase::setupScreen();
+}
+
+void MainViewView::tearDownScreen()
+{
+    MainViewViewBase::tearDownScreen();
+}
+
+void MainViewView::onBtnPlusPressed(){
+	oscilloscope::Gui::getInstance()->onButtonTimePlusPressed();
+}
+
+void MainViewView::onBtnMinusPressed(){
+    oscilloscope::Gui::getInstance()->onButtonTimeMinusPressed();
+}
+
+void MainViewView::onCheckBoxTriggerPressed(){
+
+    // Get actual state of the trigger checkbox by reading the status of the red LED
+    const bool checked = !redLedDisable.isVisible();
+    // Notify GUI
+    oscilloscope::Gui::getInstance()->onCheckBoxTriggerCheckState(checked);
+}
+
+void MainViewView::setModeSignal(const std::string str){
+	Unicode::fromUTF8((const unsigned char *)str.c_str(),labelSignalBuffer1,LABELSIGNALBUFFER1_SIZE);
+	labelSignal.invalidate();
+}
+
+void MainViewView::setFreqSignal(const std::string str){
+	Unicode::fromUTF8((const unsigned char *)str.c_str(),labelSignalBuffer2,LABELSIGNALBUFFER2_SIZE);
+	labelSignal.invalidate();
+}
+
+void MainViewView::setLabelDivTime(const std::string str){
+	Unicode::fromUTF8((const unsigned char *)str.c_str(),labelDivTimeBuffer,LABELDIVTIME_SIZE);
+    labelDivTime.invalidate();
+}
+
+void MainViewView::drawGraph(uint16_t* values, uint16_t maxSize, float xScale /* = 1 */){
+	chart.clear();
+
+	chartMajorXAxisGrid.setInterval(460/8);     // Show 8 division on the chart
+
+	chart.setGraphRangeX(0, 460-1);
+
+	for(float addedPoints = 0, valuesIndex = 0;
+	    (uint32_t)valuesIndex < maxSize and addedPoints < 460;
+	    addedPoints++)
+	{
+		chart.addDataPoint(values[(uint32_t)valuesIndex]);
+		valuesIndex = addedPoints * xScale;
+	}
+	chart.invalidate();
+}