/*!
    \file  readme.txt
    \brief description of the GPIO_KeyBoard_Interrupt_mode demo
*/

/*
    Copyright (C) 2017 GigaDevice

    2017-07-28, V1.0.0, demo for GD32F30x
*/

  This demo is based on the GD32307C-EVAL-V1.0 board. On the board, the Tamper key 
connectes to PC13 and the LED2 connects to PC0. It provides a method to use the 
key for controlling the LED by the interrupt. The user can toggle the output state
of LED2 by pressing the Tamper key.