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drtio: add echo and packet count test

This commit is contained in:
Sebastien Bourdeauducq 2016-11-04 22:24:35 +08:00
parent df7294792c
commit 5019b03f10
1 changed files with 30 additions and 3 deletions
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33
artiq/test/gateware/drtio/test_full_stack.py
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@ -55,7 +55,9 @@ class DUT(Module):
class TestFullStack(unittest.TestCase): class TestFullStack(unittest.TestCase):
def test_full_stack(self): clocks = {"sys": 8, "rtio": 5, "rtio_rx": 5, "rio": 5, "rio_phy": 5}
def test_controller(self):
dut = DUT(2) dut = DUT(2)
kcsrs = dut.master.rt_controller.kcsrs kcsrs = dut.master.rt_controller.kcsrs
csrs = dut.master.rt_controller.csrs csrs = dut.master.rt_controller.csrs
@ -203,6 +205,31 @@ class TestFullStack(unittest.TestCase):
cycle += 1 cycle += 1
run_simulation(dut, run_simulation(dut,
{"sys": test(), "rtio": check_ttls()}, {"sys": test(), "rtio": check_ttls()}, self.clocks)
{"sys": 8, "rtio": 5, "rtio_rx": 5, "rio": 5, "rio_phy": 5})
self.assertEqual(ttl_changes, correct_ttl_changes) self.assertEqual(ttl_changes, correct_ttl_changes)
def test_echo(self):
dut = DUT(2)
csrs = dut.master.rt_controller.csrs
mgr = dut.master.rt_manager
def test():
while not (yield dut.master.link_layer.ready):
yield
yield from mgr.update_packet_cnt.write(1)
yield
self.assertEqual((yield from mgr.packet_cnt_tx.read()), 0)
self.assertEqual((yield from mgr.packet_cnt_rx.read()), 0)
yield from mgr.request_echo.write(1)
for i in range(15):
yield
yield from mgr.update_packet_cnt.write(1)
yield
self.assertEqual((yield from mgr.packet_cnt_tx.read()), 1)
self.assertEqual((yield from mgr.packet_cnt_rx.read()), 1)
run_simulation(dut, test(), self.clocks)