preliminary test rogram, not closed loop
fix syntax errors
fix compiler errors
missing imports
bad declarations
propagate DmaAddrSize
use DmaAddrSize everywhere
make the interface speak 32 bit words
make get set speak 32 bit words
missed one DmaAddrSize
fix name echo->nop
compiler error fixing
compiler error fixes
unroll for statements
use FIFOF everywhere
change to mkEchoEngine
change to mkNopEngine
change Server to Engine in various places
everywhere
everywhere