***************************************************************************** ** ChibiOS/RT port for ARM-Cortex-M4 Freedom Board K20D50M. ** ***************************************************************************** ** TARGET ** The demo runs on an Freescale Freedom K20D50M board. ** The Demo ** Generates an interrupt from an external button on PTA1. Assumes a button is connected between PTA1 and ground. Uses the internal pullup on PTA1. When the button is pressed the green led will toggle. ** Build Procedure **