Add libusb-devel in the CC. Hope this is ok. On 7/18/07, Hund, Michael <[EMAIL PROTECTED]> wrote:
> ldusb supports interrupt transfers only. Bulk transfers should be no problem > with libusb because the device does not specify a guaranteed bandwidth. > However iso transfers and libusb - does that really work? > I believe the current libusb 0.1.x does not support iso transfer out of the box. There is an unofficial patch though. libusb-win32 supports it under Windows. Supposedly libusb 1.0 or openusb will eventually support iso transfer. On 7/17/07, Hund, Michael <[EMAIL PROTECTED]> wrote: > Even on full speed devices, I had the problem of missing interrupt transfers > using libusb. This was the main reason to write ldusb for interrupt > transfers. > libusb cannot guarantee to handle an interrupt transfer in a time which is > shorter than the specified time between two interrupt transfers. Lost data > may be the result. > Maybe the people in libusb-devel can comment on this. One more thing, ldusb supports some HID device. How does it prevent the kernel USBHID driver from claiming it? It would be nice that someone can explain the pros and cons of libusb versus ldusb. Regards, Xiaofan ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
