nn-usb-fpga/Examples/ADC/Scope-QT-src/mainwindow.cpp

#include "mainwindow.h"
#include "ui_mainwindow.h"
#include <QDebug>

#include <QTime>
#include <math.h>

MainWindow::MainWindow(QWidget *parent)
    : QMainWindow(parent), ui(new Ui::MainWindow)
{
    ui->setupUi(this);
	connect(this,SIGNAL(refresh()),ui->Graph, SLOT(repaint()));
	ui->Graph->setPointsPerPlot(120);
	ui->Graph->setVoltsPerDiv(205);

	timer1 =  new QTimer(this);
	timer1->start(50);
	connect(timer1, SIGNAL(timeout()), this, SLOT(updateGraph()));

	CHANNEL = 1;
	ADC1 = new ADCw;
	ADC1->testADC();
	ADC1->setBufferLen(120);
	ADC1->setClockDiv(ADC_SPI_CLKDIV_MAX); //Maximun speed
	printf("\nTaking 300 samples each 50ms from Channel 0,1 at Fs=99KHz \n");
}

MainWindow::~MainWindow()
{
    delete ui;
}

void MainWindow::updateGraph()
{
	JZ_REG * dataADC;

	int tempD;

		//CHANNEL 0
		dataADC=ADC1->takeSamplesADC(0);
		for(int i=0; i< 120/2; i++)
		{
			//printf("[%08X]",dataADC[i]);
			tempD = dataADC[i]&0xFFFF;
			ui->Graph->addPoint1(tempD+0x3ff);
			tempD = dataADC[i]>>16;
			ui->Graph->addPoint1(tempD+0x3ff);
		}
		CHANNEL = 1;

		//CHANNEL 1
		dataADC=ADC1->takeSamplesADC(1);
		for(int i=0; i< 120/2; i++)
		{
			//printf("[%08X]",dataADC[i]);
			tempD = dataADC[i]&0xFFFF;
			ui->Graph->addPoint2(tempD);
			tempD = dataADC[i]>>16;
			ui->Graph->addPoint2(tempD);
		}

	emit refresh();
}