1 #include "testlibusb.h"
 2
 3
 4 #define MY_VID 0x5345
 5 #define MY_PID 0x1234
 6
 7
 8 USB::USB()
 9 {
10     usb_init(); /* initialize the library */
11     //usb_set_debug(255);
12     usb_find_busses(); /* find all busses */
13     usb_find_devices(); /* find all connected devices */
14
15     if (!(udev = open_dev())) {
16         qDebug("error opening device: %s", usb_strerror());
17         exit(1);
18     } else
19         qDebug("open success: device %04X:%04X opened", MY_VID, MY_PID);
20
21     printf_device_descriptor(&dev->descriptor);
22     usb_close(udev);
23
24     //my_usb_get_device_list();
25     resize(320, 240);
26 }
27
28 usb_dev_handle *USB::open_dev(void)
29 {
30     struct usb_bus *bus;
31     //struct usb_device *dev;
32
33     for(bus = usb_get_busses(); bus; bus = bus->next) {
34         for(dev = bus->devices; dev; dev = dev->next) {
35             if((dev->descriptor.idVendor == MY_VID) && (dev->descriptor.idProduct == MY_PID)) {
36                     return usb_open(dev);
37             }
38         }
39     }
40     return 0;
41 }
42
43 void USB::printf_device_descriptor(usb_device_descriptor *desc)
44 {
45         qDebug("bLength:             %u",     desc->bLength);
46         qDebug("bDescriptorType:     %02Xh",  desc->bDescriptorType);
47         qDebug("bcdUSB:              %04Xh",  desc->bcdUSB);
48         qDebug("bDeviceClass:        %02Xh",  desc->bDeviceClass);
49         qDebug("bDeviceSubClass:     %02Xh",  desc->bDeviceSubClass);
50         qDebug("bDeviceProtocol:     %02Xh",  desc->bDeviceProtocol);
51         qDebug("bMaxPacketSize0:     %02Xh",  desc->bMaxPacketSize0);
52         qDebug("idVendor:            %04Xh",  desc->idVendor);
53         qDebug("idProduct:           %04Xh",  desc->idProduct);
54         qDebug("bcdDevice:           %04Xh",  desc->bcdDevice);
55         qDebug("iManufacturer:       %u",     desc->iManufacturer);
56         qDebug("iProduct:            %u",     desc->iProduct);
57         qDebug("iSerialNumber:       %u",     desc->iSerialNumber);
58         qDebug("bNumConfigurations:  %u",     desc->bNumConfigurations);
59 }