This software is for s3c2410 vivi/kerne/rootfs download by USB. It almost behaves same as minicom but it works much faster than minicom, thus it's convenient for development on linux.Please follow below steps to use it:1. type load flash [vivi|kernel|root] u2. connect s3c2410 board and host PC3. type ./[usbd|usbd_static] -f filenameIf you use usbd, libusb need to be installed on you host pc;otherwise, libusb isn't needed for usbd_static.Also snapshot attached.Any comment or suggestion, please email liubaoyan2003@163.com or QQ 895205680