This tutorial uses the Ubuntu 8.04 (Hardy Heron) distribution of Linux. As Linux distributions vary these instructions are a guide to installation and use and may require some investigation on other distributions.

Following tutorial assumes version 0.4.15 of libftd2xx is being used.

Unzip and untar the file given to a suitable directory

gunzip libftd2xx0.4.15.tar.gz

tar -xvf libftd2xx0.4.15.tar

As root user copy the following files to /usr/local/lib

sudo cp libftd2xx.so.0.4.15 /usr/local/lib

Change directory to /usr/local/lib

cd /usr/local/lib

Make symbolic links to these files using the following commands:

sudo ln -s libftd2xx.so.0.4.15 libftd2xx.so

sudo ln -s libftd2xx.so.0.4.15 libftd2xx.so.0

Change directory to /usr/lib

cd /usr/lib

Make symbolic links to these files using the following commands:

sudo ln -s /usr/local/lib/libftd2xx.so.0.4.15 libftd2xx.so

sudo ln -s /usr/local/lib/libftd2xx.so.0.4.15 libftd2xx.so.0

Activate usbfs for current session by issuing following command:

sudo mount --t usbfs usbfs /proc/bus/usb

To ensure the usbfs is enabled and active for subsequent log ins, edit /etc/init.d/mountdevsubfs.sh:

sudo gedit /etc/init.d/mountdevsubfs.sh

Scroll down to line 39 and find following lines:

# Magic to make /proc/bus/usb work

#

#mkdir -p /dev/bus/usb/.usbfs

#domount usbfs "" /dev/bus/usb/.usbfs -obusmode=0700,devmode=0600,listmode=0644

#ln -s .usbfs/devices /dev/bus/usb/devices

#mount --rbind /dev/bus/usb /proc/bus/usb

Uncomment (remove #) 4 lines of code:

# Magic to make /proc/bus/usb work

#

mkdir -p /dev/bus/usb/.usbfs

domount usbfs "" /dev/bus/usb/.usbfs -obusmode=0700,devmode=0600,listmode=0644

ln -s .usbfs/devices /dev/bus/usb/devices

mount --rbind /dev/bus/usb /proc/bus/usb

Save the file and exit the editor.

Reboot

To enable usbfs on other distributions following line may need to be added to /etc/fstab:

none /proc/bus/usb usbfs defaults,mode=0666 0 0 (use usbfs in 2.6 kernels)

and remount all in the fstab file

mount -a