Source code for hwtLib.examples.simpleWithNonDirectIntConncetion

#!/usr/bin/env python3
# -*- coding: utf-8 -*-

from hwt.hdl.constants import Time
from hwt.interfaces.std import Signal
from hwt.simulator.simTestCase import SimTestCase
from hwt.synthesizer.unit import Unit


class SimpleWithNonDirectIntConncetion(Unit):
    """
    Example of fact that interfaces does not have to be only extern
    the can be used even for connection inside unit

    .. hwt-autodoc::
    """

    def _declr(self):
        self.a = Signal()
        self.c = Signal()._m()

    def _impl(self):
        self.b = Signal()

        self.b(self.a)
        self.c(self.b)


class SimpleWithNonDirectIntConncetionTC(SimTestCase):

    @classmethod
    def setUpClass(cls):
        cls.u = SimpleWithNonDirectIntConncetion()
        cls.compileSim(cls.u)

    def test_passData(self):
        d = [0, 1, 0, 1, 0]
        u = self.u
        u.a._ag.data.extend(d)
        self.runSim(50 * Time.ns)
        self.assertValSequenceEqual(u.c._ag.data, d)


if __name__ == "__main__":
    import unittest
    testLoader = unittest.TestLoader()
    # suite = unittest.TestSuite([SimpleWithNonDirectIntConncetionTC("test_passData")])
    suite = testLoader.loadTestsFromTestCase(SimpleWithNonDirectIntConncetionTC)
    runner = unittest.TextTestRunner(verbosity=3)
    runner.run(suite)

    from hwt.synthesizer.utils import to_rtl_str
    print(to_rtl_str(SimpleWithNonDirectIntConncetion()))