Developing USB Device Drivers Userspace Libusb device printf libusb linux 125 123 connected kernel system driver program bmattributes devices usbfs platform 40i interface programming i void binterval developing manufacturer filesystem bendpointaddress wmaxpacketsize bsynchaddress string drivers howto brefresh structures 02xhn develop developers stringn language fetch product sizeof 40string http sourceforge net usb get simple 40udev developer userspace reveals 40ret serial computer NOTE if read tutorial are still experiencing difficulties would like help asked start new topic on forums Please do NOT reply this thread ask technical question Replies THIS should be corrections enhancements only Thanks advance for co operation LinuxForums org Linux Programming Interface