Bare bones GPIO library for the BeagleBone implemented using sysfs.

Three Steps fs based BeagleBone GPIO:

Digital IO:
1) Export the Pin
2) Set the direction
3) Write/Read the value.

Analog IO:
-- only AnalogRead supported.
1) Load the ADC capemgr
2) Read the value

Build (PC and BeagleBone supported):
make

Deploy to connected BeagleBone (PC and BeagleBone supported):
make deploy

Run Tests (BeagleBone supported):
sudo make test

Install (BeagleBone supported):
sudo make install

Uninstall (BeagleBone supported):
sudo make uninstall

--TODO:
add analog write support