/*!
    \file  readme.txt
    \brief description of the EXTI Key example
*/

/*
    Copyright (C) 2017 GigaDevice

    2017-02-10, V1.0.0, firmware for GD32F30x
*/
  This demo is based on the GD32F30x-EVAL board, it shows how to generate 
the interrupt request, and toggle the LED. After the system start-up, 
LED1 is on. When Tamper Key is pressed, LED2 is toggled, it is switched on; 
when Tamper Key is pressed once again, LED2 is toggled, it is switched off.

