mirror of
git://projects.qi-hardware.com/nn-usb-fpga.git
synced 2025-01-10 00:30:14 +02:00
120 lines
2.9 KiB
C++
Executable File
120 lines
2.9 KiB
C++
Executable File
#include "mainwindow.h"
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#include "ui_mainwindow.h"
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#include <QDebug>
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#include <QTime>
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#include <math.h>
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MainWindow::MainWindow(QWidget *parent)
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: QMainWindow(parent), ui(new Ui::MainWindow)
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{
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ui->setupUi(this);
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connect(this,SIGNAL(refresh()),ui->Graph, SLOT(repaint()));
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ui->Graph->setPointsPerPlot(200);
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ui->Graph->setVoltsPerDiv(205);
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timer1 = new QTimer(this);
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timer1->start(50);
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connect(timer1, SIGNAL(timeout()), this, SLOT(updateGraph()));
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ADC1 = new ADCw;
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ADC1->testADC();
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ADC1->setBufferLen(240);
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ADC1->setClockDiv(ADC_SPI_CLKDIV_MIN); //Max. speed
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ADC1->setMuxChannels(1);
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printf("\nTaking 120 samples by channel at Fs=99KHz (trigger=50ms)\n");
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}
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MainWindow::~MainWindow()
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{
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delete ui;
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}
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void MainWindow::updateGraph()
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{
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JZ_REG * dataADC;
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int tempD;
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deltaCountCH1=0; deltaCountCH2=0;
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idxCH1=0; idxCH2=0;
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dataADC=ADC1->takeSamplesADC(0);
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for(int i=0; i< 240/2; i++)
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{
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tempD = dataADC[i]&0x0FFF;
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//tempD = sin(10*PI*i/200)*0x200+0x200;
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ui->Graph->addPoint1(tempD+0x3ff);
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sign2_CH1 = getSign(tempD-0x200);
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if((sign1_CH1!=sign2_CH1) & (i>1))
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deltaCountCH1++;
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if((deltaCountCH1>0) & (deltaCountCH1<3))
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{
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valCH1[idxCH1]= tempD-0x200;
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idxCH1 ++;
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}
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sign1_CH1=sign2_CH1;
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tempD = (dataADC[i]>>16)&0x0FFF;
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//tempD = cos(10*PI*i/200)*0x200+0x200;
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ui->Graph->addPoint2(tempD);
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sign2_CH2 = getSign(tempD-0x200);
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if((sign1_CH2!=sign2_CH2) & (i>1))
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deltaCountCH2++;
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if((deltaCountCH2>0) & (deltaCountCH2<3))
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{
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valCH2[idxCH2]= tempD-0x200;
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idxCH2 ++;
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}
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sign1_CH2=sign2_CH2;
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}
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double Vrms=0, Vm=0;
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for(int i=0; i<idxCH1; i++)
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{
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Vrms += pow(valCH1[i],2)/idxCH1;
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Vm += valCH1[i]/idxCH1;
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}
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if(deltaCountCH1>2)
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{
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Vrms=sqrt(Vrms)+VrmsC;
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Vm=Vm+VmC;
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ui->txtVrmsCH1->setText(QString::number(Vrms));
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ui->txtVmCH1->setText(QString::number(Vm));
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}
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else
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{
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ui->txtVrmsCH1->setText("???");
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ui->txtVmCH1->setText("???");
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}
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Vrms=0; Vm=0;
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for(int i=0; i<idxCH2; i++)
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{
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Vrms += pow(valCH2[i],2)/idxCH2;
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Vm += valCH2[i]/idxCH2;
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}
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if(deltaCountCH2>2)
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{
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Vrms=sqrt(Vrms)+VrmsC;
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Vm=Vm+VmC;
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ui->txtVrmsCH2->setText(QString::number(Vrms));
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ui->txtVmCH2->setText(QString::number(Vm));
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}
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else
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{
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ui->txtVrmsCH2->setText("???");
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ui->txtVmCH2->setText("???");
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}
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emit refresh();
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}
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