/*!
    \file  readme.txt
    \brief description of the comparator port output demo
*/

/*
    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 demo is based on the GD32150R-EVAL/GD32190R-EVAL board, it shows how to 
configure the comparator portoutput. In this demo, input 3.3V(GD32150R) or 5V
(GD32190R) to PA1. After system start-up,enable comparator ,then LED2 is on.

  Connect PA1 to +3V3(GD32150R) or +5V(GD32190R). 
