On Tue, 11 Jan 2005, sai chaitanya wrote: > Hi All Developers,
This is the linux-usb-users list, not the linux-usb-devel list. > I've a few urgent queries > > 1. This query is related to bulk read/write . I'am using libusb-0.1.8-2.1, > through this I > want to write and read data from Bulk endpoints. I've used "usb_write_bulk" > to write to the > USB device which is a Pen Drive and this operation is reporting success. But > when I'am > performing a read operation, it is unable to read anything and reporting " > Illegal Seek ", I > suppose that I should use " SCSI COMMANDS" in sync with libusb but unable to > approach > further. If you're trying to communicate with a pen drive, why aren't you using the regular usb-storage driver? Why do you need to use libusb? > 2. Is there any sample usb examples for writing a usb driver with multiple > interfaces. There are such drivers but they aren't very simple. Audio and video drivers, for instance, usually use more than one interface. Look in the kernel source code under drivers/usb/media or drivers/usb/image. Alan Stern ------------------------------------------------------- The SF.Net email is sponsored by: Beat the post-holiday blues Get a FREE limited edition SourceForge.net t-shirt from ThinkGeek. It's fun and FREE -- well, almost....http://www.thinkgeek.com/sfshirt _______________________________________________ [email protected] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-users
