#!/bin/bash 
# purpose: set PRBS (Pseudorandom binary sequence), wait, then turn it off

echo Setting PRBS on
i2cset -f -y 2 0x38 0xa2 0x0c
echo Hit any key to exit PRBS
read
echo Setting PRBS off
i2cset -f -y 2 0x38 0xa2 0x00