Re: [Libusb-win32-devel] No devices found

[Stephan M. <Ste...@ia...>]

Download the DDK from Microsoft's web site and take a look
at the 'usbview' example. This may be what you are looking
for.

Stephan



> Thank You for response. No, I didn't know that I need it :( I think,
> that it is too complex for me - to install a special driver - for my
> simple application. I only want to detect all connected USB=20
> devices... (Do I need a special drivers for all devices??? )... Is=20
> there any other way to reach this - detecting connected USB devices=20
> under Windows? Maybe without libusb-win32? Does anyone know?=20
>=20
> Wolek.
>=20
> > ------------ P=F9vodn=ED zpr=E1va ------------
> > Od: Stephan Meyer <ste...@we...>
> > P=F8edm=ECt: Re: [Libusb-win32-devel] No devices found
> > Datum: 22.1.2007 16:48:10
> > ----------------------------------------
> >=20
> > Did you install the driver? Does the test program testlibusb-win.exe=20
> > find any devices?
> >=20
> > Stephan
> >=20
> >=20
> > > Hi all,=20
> > >=20
> > > I have a small program to show list of connected usb devices.=20
Itworks fine
> > under Linux, but when I port it into libusb-win32, it doesn't - it=20
doesn't
> > detect any device! And I really don't know why :(=20
> > >=20
> > > Attached example - testlibusb.c doesn't detect any device too.=20
> > >=20
> > > I'm using WinXP, libusb-win32-snapshot-20060827.=20
> > >=20
> > > Here is my code:=20
> > >=20
> > > #include <stdio.h>=20
> > > #include "usb.h"=20
> > >=20
> > > int print=5Fdevice(struct usb=5Fdevice *dev)=20
> > > {=20
> > > usb=5Fdev=5Fhandle *udev;=20
> > > int ret, i;=20
> > >=20
> > > printf("dev:%i\n", dev);=20
> > > udev =3D usb=5Fopen(dev);=20
> > > printf("udev:%i", udev);=20
> > >=20
> > > printf("#%x - %x\n", dev->descriptor.idVendor, dev->descriptor.
> idProduct);=20
> > >=20
> > > for (i =3D 0; i < dev->num=5Fchildren; i++)=20
> > > print=5Fdevice(dev->children[i]);=20
> > >=20
> > > return 0;=20
> > > }=20
> > >=20
> > > int main(int argc, char *argv[])=20
> > > {=20
> > > struct usb=5Fbus *bus;=20
> > >=20
> > > usb=5Finit();=20
> > > usb=5Fset=5Fdebug(0);=20
> > >=20
> > > usb=5Ffind=5Fbusses();=20
> > > usb=5Ffind=5Fdevices();=20
> > >=20
> > > for (bus =3D usb=5Fget=5Fbusses(); bus; bus =3D bus->next) {=20
> > > struct usb=5Fdevice *dev;=20
> > > printf("bus:%i\n", bus);=20
> > > printf("bus->devices:%i\n", bus->devices);=20
> > > for (dev =3D bus->devices; dev; dev =3D dev->next) {=20
> > > print=5Fdevice(dev);=20
> > > }=20
> > > }=20
> > >=20
> > > return 0;=20
> > > }=20
> > >=20
> > > output:
> > > bus:4846846
> > > bus->devices:0
> > >=20
> > > Can anyone help me, please... ? I've installed libusb0.dll into=20
program's
> > directory and then into system32, but it still doesn't work. Thanx
> in advance.=20
> > >=20
> > >=20
-------------------------------------------------------------------------
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http://www.techsay.com/default.php?page=3Djoin.php&p=3Dsourceforge&CID=3DDE=
VDEV
> > > =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=
=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F
> > > Libusb-win32-devel mailing list
> > > Lib...@li...
> > > https://lists.sourceforge.net/lists/listinfo/libusb-win32-devel
> > >=20
> >=20
> >=20
> >=20
=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=
=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=
=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F
> > Viren-Scan f=FCr Ihren PC! Jetzt f=FCr jeden. Sofort, online und=20
kostenlos.
> > Gleich testen! http://www.pc-sicherheit.web.de/freescan/?mc=3D022222
> >=20
> >=20
> >=20
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VDEV
> > =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=
=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F
> > Libusb-win32-devel mailing list
> > Lib...@li...
> > https://lists.sourceforge.net/lists/listinfo/libusb-win32-devel
> >=20
> >=20
> >=20
>=20
>=20
-------------------------------------------------------------------------
> Take Surveys. Earn Cash. Influence the Future of IT
> Join SourceForge.net's Techsay panel and you'll get the chance to share=20
your
> opinions on IT & business topics through brief surveys - and earn cash
>=20
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VDEV
> =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=
=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F
> Libusb-win32-devel mailing list
> Lib...@li...
> https://lists.sourceforge.net/lists/listinfo/libusb-win32-devel
>=20