31 lines
958 B
Python
31 lines
958 B
Python
# This file is Copyright (c) 2019 Florent Kermarrec <florent@enjoy-digital.fr>
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# License: BSD
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import unittest
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from migen import *
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from litex.soc.cores.spi import SPIMaster
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class TestSPI(unittest.TestCase):
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def test_spi_master_syntax(self):
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spi_master = SPIMaster(pads=None, data_width=32, sys_clk_freq=100e6, spi_clk_freq=5e6)
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self.assertEqual(hasattr(spi_master, "pads"), 1)
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def test_spi_xfer_loopback(self):
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def generator(dut):
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yield dut.loopback.eq(1)
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yield dut.mosi.eq(0xdeadbeef)
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yield dut.length.eq(32)
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yield dut.start.eq(1)
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yield
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yield dut.start.eq(0)
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yield
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while (yield dut.done) == 0:
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yield
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self.assertEqual((yield dut.miso), 0xdeadbeef)
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dut = SPIMaster(pads=None, data_width=32, sys_clk_freq=100e6, spi_clk_freq=5e6, with_csr=False)
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run_simulation(dut, generator(dut))
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