The original website is here: http://lejos-osek.sourceforge.net/installation_windows.htm However there are a lot of alternative or bugs/issues are not mentioned in the website. Most of the tools and software are rapidly upgrading. As the one who uses the legacy of nxtOSEK, I will provide the solutions I used in the following contents. NxTTool.exe need to be executed in command line mode. Install the driver of Nxt USB by the official software is the best idea I guess. If your brick is stuck, please refer to here First of all, Cygwin setup version I use is ver. 2.873(64 bit). If we follow the official tutorial, we face the problem that some of legacy are not available any more. In my case, I install: make 4.1-1 crypt 1.1-1 libgettextpo0, libgettextpo-devel 0.19.5.1-2 libattr1 2.4.46-1 no libdb4.5 libexpat1 2.1.0-3 libgcc1 4.9.3-1 libgdbm4 1.11-1 libgmp10, libgmp-devel, libgmpxx4, 6.10-2p1 libiconv2 1.14-3 libint8, libintl-devel 0.19.5.1-2 liblzma5, liblzma-devel 5.2...
Here record some exciting moments I experience during my ES / RTOS researches.