Re: [linux-usb-devel] USER SPACE DRIVER

2004-11-18 Thread Randy.Dunlap
Olanrewaju O Ayo wrote: i am trying to interface with a spectrometer usb device using the libusb functions. i am having problems with re-reading the idProduct and idVendor so that i do not use the one assigned to it by the system. it keeps giving me invalid reference error when i use the functio

[linux-usb-devel] USER SPACE DRIVER

2004-11-15 Thread Olanrewaju O Ayo
i am trying to interface with a spectrometer usb device using the libusb functions. i am having problems with re-reading the idProduct and idVendor so that i do not use the one assigned to it by the system. it keeps giving me invalid reference error when i use the function usb_get_device_descri

[linux-usb-devel] user space driver development

2002-01-28 Thread Andreas Jellinghaus
hi. i'm trying to write a driver for some crypto token, currently with libusb, and i have some questions: i'm useing usb_reset() (which does a IOCTL_USB_RESET), but i'm not able to use the device/file descriptor after that. do i need to reopen the file, or how can i access the device. i guess th