1] Borrowing heavily from sources mentioned below:
http://1010.co.uk/spectrumtest.c
http://1010.co.uk/CYWUSB693x.h
1] svn co https://svn.openwrt.org/openwrt/branches/whiterussian/openwrt/
2] make menuconfig as per defaults// make
3] source environ
PATH=/root/openwrt/staging_dir_mipsel/usr/bin:/home/data/wrt54/svn/white/openwrt/staging_dir_mipsel/bin:/bin:/sbin:/usr/bin:/usr/sbin PREFIX=/root/openwrt/staging_dir_mipsel/bin/ AR=$PREFIX/mipsel-linux-uclibc-ar AS=$PREFIX/mipsel-linux-uclibc-as LD=$PREFIX/mipsel-linux-uclibc-ld NM=$PREFIX/mipsel-linux-uclibc-nm CC=$PREFIX/mipsel-linux-uclibc-gcc CPP=$PREFIX/mipsel-linux-uclibc-cpp GCC=$PREFIX/mipsel-linux-uclibc-gcc CC=$PREFIX/mipsel-linux-uclibc-gcc CXX=$PREFIX/mipsel-linux-uclibc-g++ RANLIB=$PREFIX/mipsel-linux-uclibc-ranlib LIBTOOL=/home/data/wrt54/svn/white/openwrt/toolchain_build_mipsel/binutils-2.16.1-build/ld/libtool CFLAGS="-Os -s" LDFLAGS="-L/root/openwrt/staging_dir_mipsel/usr/lib" CPPFLAGS="-I/root/openwrt/staging_dir_mipsel/usr/include"4] make both libOSC and mysendOSC
5] scp to /tmp and run