先lcd屏幕中部开始显示4行的一首诗，在定时器控制下垂直滚动，直到整首诗逐渐从屏幕最上边消失，然后又从屏幕下沿逐渐出现。并如此循环不止-Middle of the screen started to show the first 4 lines of a poem, under the control of the vertical scroll in the timer, until the whole poem gradually disappear from the screen the

实现简单的文本输入，包括汉字和英文，主要的是显示滚动条-Simple text input, including Chinese characters and English, the main thing is display scroll bars

识别image文件夹里的图片，并将其播放至x210的显示屏上，顺序滚动。目前只支持jpg，png和bmp格式的图片。(Identify the pictures in the image folder and play them on the x210 screen. Scroll them in sequence. Currently only JPG, PNG and BMP formats are supported.)