keys artive high, pull-downs are on board
-rw-r--r-- 649 README.md
-rwxr-xr-x 54 debian-install.sh
drwxr-xr-x - device-tree
-rwxr-xr-x 270 dump.sh
drwxr-xr-x - dump
-rwxr-xr-x 13445 gpio.pl
drwxr-xr-x - i2c-userspace
-rwxr-xr-x 263 overlay-load.sh
drwxr-xr-x - pins