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test: add test for RTIO counter (#883)

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This commit is contained in:
Sebastien Bourdeauducq 2018-01-24 00:28:39 +08:00
parent e0e795f11c
commit ed0fbd5662
1 changed files with 17 additions and 0 deletions
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17
artiq/test/coredevice/test_rtio.py
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@ -18,6 +18,17 @@ artiq_low_latency = os.getenv("ARTIQ_LOW_LATENCY")
artiq_in_devel = os.getenv("ARTIQ_IN_DEVEL")
class RTIOCounter(EnvExperiment):
def build(self):
self.setattr_device("core")
@kernel
def run(self):
t0 = self.core.get_rtio_counter_mu()
t1 = self.core.get_rtio_counter_mu()
self.set_dataset("dt", self.core.mu_to_seconds(t1 - t0))
class PulseNotReceived(Exception):
pass
@ -357,6 +368,12 @@ class HandoverException(EnvExperiment):
class CoredeviceTest(ExperimentCase):
def test_rtio_counter(self):
self.execute(RTIOCounter)
dt = self.dataset_mgr.get("dt")
self.assertGreater(dt, 50*ns)
self.assertLess(dt, 200*ns)
def test_loopback(self):
self.execute(Loopback)
rtt = self.dataset_mgr.get("rtt")