.joy2keyrc

# Config for PS2 Barracuda 1
# buttons are: X A B Y L2 R2 L1 R1 sel start
COMMON
-X
-dev /dev/input/js0
-thresh -32767 32767 -32767 32767 -32767 32767 -32767 32767 -32767 32767 -32767 32767
-axis Left Right Up Down Left Right Up Down Left Right Up Down
-buttons S X Z A D C D C ShiftR Return

joy2key-setup.sh

#!/bin/bash
sudo apt-get install joy2key # Translate joystick movements into equivalent keystrokes
sudo apt-get install joystick # set of testing and calibration tools for joysticks

# Plug in joystick.
jstest /dev/input/js0 
# Press buttons and move sticks. Write down correspondences for buttons and axes

joy2key -rc ~/.joy2keyrc