在桓丰的44b0上实现漂亮的大时钟，利用uc-gui，支持触摸屏更改时间，如果想在别的板上用，要修改一下I/O定义，-In Hwan Fung 44b0 achieve pretty big clock, the use of uc-gui, to support the touch screen to change the time, if you want to use in other on-board, it is necessary to modify some I/O definit