Russian Qt Forum

#-------------------------------------------------
#
# Project created by QtCreator 2014-01-14T00:03:19
#
#-------------------------------------------------

QT       += core gui
greaterThan(QT_MAJOR_VERSION, 4): QT += widgets

TARGET = usb_test
TEMPLATE = app


SOURCES += main.cpp\
        mainwindow.cpp

HEADERS  += mainwindow.h
FORMS    += mainwindow.ui
LIBS += -lusb

#include "mainwindow.h"
#include <QApplication>
#include "lusb.h"
//#include "lib/hidapi.h"
#include <stdio.h>
#include <string.h>
//#include "lib/hidapi.h"

int main(int argc, char *argv[])
{
libusb_init(NULL);

    QApplication a(argc, argv);
    MainWindow w;
    w.show();

    return a.exec();
}

#include "lusb.h"

CONFIG += link_pkgconfig
PKGCONFIG += libusb-1.0

unsigned char buf[64];

int returned = libusb_interrupt_transfer(handle, EP_IN, 64, 64, &ret, 1000);
       if (returned >= 0) {
int My_buf=(int)buf[0];
}

#include <QApplication>
#include "mainwindow.h"
#include "libusb.h"

#define DEV_VID 0x0483
#define DEV_PID 0x3748 
#define DEV_CONFIG 1
#define DEV_INTF 0
#define EP_IN 0x81
#define USB_DEBUG_LEVEL 0


int main(int argc, char *argv[])
{


libusb_init(NULL);
libusb_set_debug(NULL, USB_DEBUG_LEVEL);  // уровень вывода отладочных сообщений
libusb_device_handle *handle = libusb_open_device_with_vid_pid(NULL, DEV_VID, DEV_PID);

if (handle == NULL) {
return 1;
}
else
return 2;



QApplication a(argc, argv);
MainWindow w;
w.show();
return a.exec();
}

unsigned char buffer[1];
static int transferred;
ret = libusb_bulk_transfer(handle,EP_IN,buffer,1, &transferred,1000);