Grouped GPIO Interrupt example

Example description
The Grouped GPIO interrupt example demonstrates the Grouped GPIO interrupt feature.

This example configures Grouped GPIO interrupt 0 to be invoked when a button is 
pressed by the user.  The interrupt toggles the state of an LED. 

Special connection requirements
There are no special connection requirements for this example.

Build procedures:
Visit the <a href="http://www.lpcware.com/content/project/lpcopen-platform-nxp-lpc-microcontrollers/lpcopen-v200-quickstart-guides">LPCOpen quickstart guides</a>
to get started building LPCOpen projects.