A simple library for controlling PiFace Digital. See example.c for example
usage. Hides the SPI file descriptors so the user only has to deal with
hw_addr.
http://piface.github.io/libpifacedigital
Build the docs with:
$ git clone https://github.com/piface/libpifacedigital.git
$ cd libpifacedigital/docs/
$ doxygen pifacedigital-doc.conf
To view as HTML, point your browser to libpifacedigital/docs/html/index.html.
To view as PDF:
$ cd latex/
$ make
The pdf is called refman.pdf.