usb测试，调试，具体用来看usb传输的速度，测试读的速度和写的速度，还有文件在传输的过程中是否损坏。-usb testing, debugging, and specific look at the usb transfer speed test read speed and write speed, as well as the file is damaged in the process of transmission.

ch431c#调用dll实例 由于dll用c++编写一些调用细节需要注意，仅供参考-ch431 c#

softswitch configuration manual for mor8