ASF is a game changer. It organizes over 1,100 example designs in a hierarchy based on a set of common, open APIs that ensure easy portability between devices. The code base is organized in four easy-to-use levels. The top level contains all the advanced services, such as “QTouch Library” for capacitive button, slider and wheel designs; ZigBee, USB and Bluetooth stacks and profiles, full Ethernet and Wi-Fi stacks, graphics libraries, graphical user interfaces, audio services and much more.