Comment added
Simple serialiser
For ISE 0 is not positive (?)
Remove modulation input from US TX module. 

Replaced by internal pattern serialiser.
Empty module US Rx created
Replace 32767 by hexadecimal 16#7FFF#
Remove filename and author
Remove filename, author
Add serialiser to ISE project
Merge branch 'master' of github.com:dergraaf/loa
Documentation about workflow added.