给定多个512点的数组，分别对其进行fft显示其频谱特性并显示频率和幅度坐标（可以通过界面控件选择数组、设定采样时间）-Given an array of more than 512 points, respectively, show the spectrum of their properties for fft and display frequency and amplitude coordinates (you can choose an array of interface cont

本设计是要实现幻灯片放映功能，修改并融合了LCD单个图片显示程序和LED跑马灯程序，编写程序使LCD图片刷新和跑马灯同时运行，并且运行频率可以分别设定。-This design is to achieve a slide show function, modify and integration of the LCD picture display program and a single LED Marquee procedures, programming the LCD image to