cd /lib/firmware
echo PRU-ADC > $SLOTS
cat $SLOTS
lsmod
rmmod uio_pruss
lsmod
modprobe uio_pruss extram_pool_sz=0x400000 
lsmod
cd /sys/class/uio/uio0/maps/map1
cat addr
cat size

cd /sys/class/uio/uio0/maps/map0
cat addr
cat size

cd /home/erps/daq2/pruSrc
./pruadc