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

/*
    Copyright (C) 2017 GigaDevice

    2014-12-26, V1.0.0, platform GD32F1x0(x=3,5)
    2016-01-15, V2.0.0, platform GD32F1x0(x=3,5,7,9)
    2016-04-30, V3.0.0, firmware update for GD32F1x0(x=3,5,7,9)
    2017-06-19, V3.1.0, firmware update for GD32F1x0(x=3,5,7,9)
*/

  This example is based on the GD32150R-EVAL/ GD32190R-EVAL board, it provides
a description of how to use Tamper key to control the LED1. The example 
uses polling mode. Press the key, LED1 will be turn on. Press the Key again,
LED1 will be turn off.

on the GD32150R-EVAL board,the Tamper key connected to PC13 and the LED1 connected to PC10.
on the GD32190R-EVAL board,the Tamper key connected to PC13 and the LED1 connected to PA11.


