Re: [Libusb-win32-devel] Trying to port libdjconsole: usb_claim_interface gives a return code -22, what does this mean?

[Garth D. <iro...@gm...>]

I think hdev1 was correct in my case, since that's the handle returned by
usb_open call (looking at other examples), however it looks like my test
program gets hung when it calls usb_set_configuration, here is the output:

LIBUSB_DLL: info: usb_os_init: dll version: 0.1.12.1
LIBUSB_DLL: info: usb_os_init: driver version: 0.1.12.1
LIBUSB_DLL: info: usb_os_find_busses: found bus-0
LIBUSB_DLL: info: usb_os_find_devices: found \\.\libusb0-0001--0x04b3-0x310b
on bus-0
LIBUSB_DLL: info: usb_os_find_devices: found \\.\libusb0-0002--0x15c2-0xffdc
on bus-0
LIBUSB_DLL: info: usb_os_find_devices: found \\.\libusb0-0003--0x06f8-0xb100
on bus-0
Hercules Console found at libusb:bus-0:\\.\libusb0-0003--0x06f8-0xb100
(0x06f8-0xb100)
No error
No error
----

I had this happen before and I can't kill the app through taskmgr or pskill
when it goes like this.

hrm...


On 4/7/07, Garth Dahlstrom <iro...@gm...> wrote:
>
> Tried that before but hit an error message like this:
> 1> libdjconsole-0.1.2\djconsole.cpp(142) : error C2664:
> 'usb_set_configuration' : cannot convert parameter 1 from 'usb_device *' to
> 'usb_dev_handle *'
> 1>        Types pointed to are unrelated; conversion requires
> reinterpret_cast, C-style cast or function-style cast
>
> So I changed it to hdev1, but that didn't work...
>
> Thanks for the pointer!
>
> Now I know what direction to head in...  just need to figure out how to
> cast it properly for cpp I think.   (should be easy enough to figure that
> out)
>
> Cheers,
>
> -G
>
> On 4/7/07, Stephan Meyer <ste...@we...> wrote:
> >
> >
> > > LIBUSB_DLL: error: usb_claim_interface: could not claim interface 5,
> > invalid configuration 0
> >
> > > bus-0/\\.\libusb0-0003--0x06f8-0xb100     06F8/B100
> > > - Manufacturer : Hercules
> > > - Product      : Hercules DJ Console Mk2
> > >   wTotalLength:         399
> > >   bNumInterfaces:       8
> > >
> > >   bConfigurationValue:  1
> >
> >
> > Insert usb_set_configuration(dev, 1) before usb_claim_interface().
> >
> > Stephan
> >
> >
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