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build.dsl: accept Pins(invert=True).

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The PinsN() form is still preferred, but Pins(invert=) form is useful
for code generic over pin polarity.
This commit is contained in:
whitequark 2019-10-03 02:44:43 +00:00
parent 9458de2079
commit 751ae33fe1
2 changed files with 6 additions and 2 deletions
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4
nmigen/test/test_build_dsl.py
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@ -18,6 +18,10 @@ class PinsTestCase(FHDLTestCase):
self.assertEqual(repr(p), "(pins-n io A0)")
self.assertEqual(p.invert, True)
def test_invert_arg(self):
p = Pins("A0", invert=True)
self.assertEqual(p.invert, True)
def test_conn(self):
p = Pins("0 1 2", conn=("pmod", 0))
self.assertEqual(list(p), ["pmod_0:0", "pmod_0:1", "pmod_0:2"])