in the file data/_ip_vxxx.mpd
## Peripheral Options
OPTION ARCH_SUPPORT_MAP = (others=DEVELOPMENT)
makes de IP a development repository and the files will be taken when reprocessing the bitstream. Before doing so, in the XPS you need to run "Project" --> "Rescan User Repositories". To check which files where taken check _ip_incl.make
The following line tells the XPS that I will take care of the
TriState Buffer
PORT onewire = "", DIR = IO, IOB_STATE=BUF
#PORT onewire_I = "", DIR = I, IO_IF = sk_onewire_0, IO_IS = One_Wire_I
#PORT onewire_O = "", DIR = O, IO_IF = sk_onewire_0, IO_IS = One_Wire_O
#PORT onewire_T = "", DIR = O, IO_IF = sk_onewire_0, IO_IS = One_Wire_T
PORT onewire = "", DIR = IO
#PORT onewire = "", TRI_O = onewire_O, TRI_T = onewire_T, DIR = IO, TRI_I = onewire_I, THREE_STATE = TRUE, PERMIT = BASE_USER, DESC = ''OneWire Serial Data'', IO_IF = sk_onewire_0, IO_IS = One_Wire