/** \file\r
* \brief Board specific Buttons driver header for the BUMBLEB.\r
*\r
+ * Board specific Buttons driver header for the BUMBLEB.\r
+ *\r
* The BUMBLEB third-party board does not include any on-board peripherals, but does have an officially recommended\r
* external peripheral layout for buttons, LEDs and a Joystick.\r
*\r