Hardware/litex
1
0
Fork 0
mirror of https://github.com/enjoy-digital/litex.git synced 2025-01-04 09:52:26 -05:00
Code Issues Projects Releases Packages Wiki Activity

fhdl/edif: add support for inout signals

Browse source
This commit is contained in:
Nina Engelhardt 2013-08-03 10:51:04 +02:00 committed by Sebastien Bourdeauducq
parent 0e195da3c0
commit 7372c7a97c
1 changed files with 7 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

9
migen/fhdl/edif.py
View file

@ -113,6 +113,8 @@ def _generate_cells(f):
port_list.append(_Port(port.name, "INPUT"))
elif isinstance(port, Instance.Output):
port_list.append(_Port(port.name, "OUTPUT"))
elif isinstance(port, Instance.InOut):
port_list.append(_Port(port.name, "INOUT"))
elif isinstance(port, Instance.Parameter):
pass
else:
@ -136,6 +138,8 @@ def _generate_instances(f,ns):
pass
elif isinstance(prop, Instance.Output):
pass
elif isinstance(prop, Instance.InOut):
pass
elif isinstance(prop, Instance.Parameter):
props.append(_Property(name=prop.name, value=prop.value))
else:
@ -147,9 +151,10 @@ def _generate_instances(f,ns):
def _generate_ios(f, ios, ns):
outs = list_special_ios(f, False, True, False)
inouts = list_special_ios(f, False, False, True)
r = []
for io in ios:
direction = "OUTPUT" if io in outs else "INPUT"
direction = "OUTPUT" if io in outs else "INOUT" if io in inouts else "INPUT"
r.append(_Port(name=ns.get_name(io), direction=direction))
return r
@ -159,7 +164,7 @@ def _generate_connections(f, ios, ns):
if isinstance(special, Instance):
instname = ns.get_name(special)
for port in special.items:
if isinstance(port, Instance.Input) or isinstance(port, Instance.Output):
if isinstance(port, Instance.Input) or isinstance(port, Instance.Output) or isinstance(port, Instance.InOut):
s = ns.get_name(port.expr)
if s not in r:
r[s] = []