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Building libdaq example applicationslibraries » mainwindow.cpp

gpiosingle example - Jonathan Cormier, 07/08/2021 02:56 PM

 
#include "mainwindow.h"
#include "ui_mainwindow.h"

#define GPIO_TO_PIN(bank, gpio) ((bank)*32 + (gpio))

MainWindow::MainWindow(QWidget *parent)
: QMainWindow(parent)
, ui(new Ui::MainWindow)
, gpioRedLed(GPIO_TO_NUM(1,12)) // gpio1_12
{
ui->setupUi(this);

gpioRedLed.setDirection(1, 0); // Set gpio as output low
}

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


void MainWindow::on_pbToggleLed_clicked()
{
int ret;
unsigned int value;

ret = gpioRedLed.GetValue(value);
if (ret < 0) {
qDebug() << "Error: Failed to get gpio value";
return;
}
ret = gpioRedLed.SetValue(!value);
if (ret < 0) {
qDebug() << "Error: Failed to set gpio value";
return;
}
}
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