usb bulk 传输例程。 * The bulkusb driver is a generic function driver, based on the Windows Driver Model (WDM). * Supports Plug and Play(PnP), Power Management(PM), Windows Management Instrumentation (WMI) and the Selective Suspend (SS) features.

滤波器函数，包括圆延迟，使用圆延迟线的FIR滤波器-circular delay，FIR filter using circular delay-line buffer

大家还在为缓冲的时候圆形进度条样式单一不好看而郁闷吗。这里提供三种缓冲进度条的样式，希望大家也多多分享，共同学习。-People still buffer when a single circular progress bar style does not look good rather depressed this. Offers three buffer progress bar style here, I hope you also a lot of sharing, learning