def test_example0(self):
class MaskedValue():
def __init__(self, val, vld_mask):
self.val = val
self.vld_mask = vld_mask
out = StringIO()
vcd = VcdWriter(out)
d = datetime.strptime("2018-04-12 18:04:03.652880",
"%Y-%m-%d %H:%M:%S.%f")
vcd.date(d)
vcd.timescale(1)
sig0 = "sig0"
vect0 = "vect0"
sig1 = "sig1"
with vcd.varScope("unit0") as m:
m.addVar(sig0, sig0, VCD_SIG_TYPE.WIRE, 1, VcdBitsFormatter())
m.addVar(sig1, sig1, VCD_SIG_TYPE.WIRE, 1, VcdBitsFormatter())
m.addVar(vect0, vect0, VCD_SIG_TYPE.WIRE, 16, VcdBitsFormatter())
vcd.enddefinitions()
for s in [sig0, sig1, vect0]:
vcd.logChange(0, s, MaskedValue(0, 0), None)
vcd.logChange(1, sig0, MaskedValue(0, 1), None)
vcd.logChange(2, sig1, MaskedValue(1, 1), None)
vcd.logChange(3, vect0, MaskedValue(10, (1 << 16) - 1), None)
vcd.logChange(4, vect0, MaskedValue(20, (1 << 16) - 1), None)
with open(os.path.join(BASE, "example0.vcd")) as f:
ref = f.read()
out = out.getvalue()
self.assertEqual(ref, out)
def copy_signals_from_parser(vcd_in: VcdParser, vcd_out: VcdWriter):
root = list(vcd_in.scope.children.values())[0]
copy_signals_from_parser_recursion(root, vcd_out)
vcd_out.enddefinitions()