qt-test-GPIB-usb-hs-1.zip qt控制GPIB相关代码

#include "mainwindow.h" #include "ui_mainwindow.h" #include <QDebug> #include "visa.h" #include "visatype.h" MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent) , ui(new Ui::MainWindow) { ui->setupUi(this); //fnGPIB_usb_hs(); } MainWindow::~MainWindow() { delete ui; } int MainWindow::fnGPIB_usb_hs(int control) { // 打开GPIB设备 ViSession defaultRM, vi; ViStatus status; status = viOpenDefaultRM(&defaultRM); if (status != VI_SUCCESS) { qDebug() << "Failed to open the default resource manager."; return -1; } // 打开GPIB设备的地址为1的设备 status = viOpen(defaultRM, "GPIB0::1::INSTR", VI_NULL, VI_NULL, &vi); if (status != VI_SUCCESS) { qDebug() << "Failed to open the GPIB device."; viClose(defaultRM); return -1; } // 发送命令并读取响应 char command[256] = "*IDN?"; char response[256] = ""; ui->textEdit->clear(); status = viWrite(vi, (ViBuf)command, strlen(command), NULL); if (status == VI_SUCCESS) { status = viRead(vi, (ViBuf)response, sizeof(response), NULL); if (status == VI_SUCCESS) { qDebug() << "Response: " << response; QString str_response=response; ui->textEdit->setText(str_response); } } if(control==1) { // 发送命令并读取响应 char command1[256] = "OUTPut ON"; char response1[256] = ""; status = viWrite(vi, (ViBuf)command1, strlen(command1), NULL); if (status == VI_SUCCESS) { qDebug() << "恭喜你,成功打开电源" << response1; ui->label->setText("恭喜你,成功打开电源"); // status = viRead(vi, (ViBuf)response1, sizeof(response1), NULL); // if (status == VI_SUCCESS) { // qDebug() << "恭喜你,成功打开电源" << response1; // ui->label->setText("恭喜你,成功打开电源"); // } } }else{ // 发送命令并读取响应 char command1[256] = "OUTPut OFF"; char response1[256] = ""; status = viWrite(vi, (ViBuf)command1, strlen(command1), NULL); if (status == VI_SUCCESS) { qDebug() << "恭喜你,成功关闭电源" << response1; ui->label->setText("恭喜你,成功关闭电源"); // status = viRead(vi, (ViBuf)response1, sizeof(response1), NULL); // if (status == VI_SUCCESS) { // qDebug() << "恭喜你,成功关闭电源" << response1; // ui->label->setText("恭喜你,成功关闭电源"); // } } } // 关闭GPIB设备 viClose(vi); viClose(defaultRM); } void MainWindow::on_pushButton_clicked() { int open=1; fnGPIB_usb_hs(open); } void MainWindow::on_pushButton_2_clicked() { int close=2; fnGPIB_usb_hs(close); }