The codes have been published by the producer himselfs!
what 'm mostly interested in is the executable "rgbin":
can you have a look and tell me whether the sourcecode is actually complete ?
besides, some external files, which are linked with included in the "rgbin" makefile, seem to be empty...?
the "rgbin"-related codes can be found this archive: ftp://ftp.dlink.co.uk/GPL/DI-524_E1_GPL.tgz
at these paths:
thanks a lot for your help!