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test/rtio: raise exception when pulse is not received

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This commit is contained in:
Sebastien Bourdeauducq 2016-03-10 12:16:18 +08:00
parent de718fc819
commit f3a2b3a67e
1 changed files with 12 additions and 2 deletions
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14
artiq/test/coredevice/test_rtio.py
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@ -12,6 +12,10 @@ from artiq.test.hardware_testbench import ExperimentCase
artiq_low_latency = os.getenv("ARTIQ_LOW_LATENCY")
class PulseNotReceived(Exception):
pass
class RTT(EnvExperiment):
def build(self):
self.setattr_device("core")
@ -29,7 +33,10 @@ class RTT(EnvExperiment):
delay(1*us)
t0 = now_mu()
self.ttl_inout.pulse(1*us)
self.set_dataset("rtt", mu_to_seconds(self.ttl_inout.timestamp_mu() - t0))
t1 = self.ttl_inout.timestamp_mu()
if t1 < 0:
raise PulseNotReceived()
self.set_dataset("rtt", mu_to_seconds(t1 - t0))
class Loopback(EnvExperiment):
@ -48,7 +55,10 @@ class Loopback(EnvExperiment):
delay(1*us)
t0 = now_mu()
self.loop_out.pulse(1*us)
self.set_dataset("rtt", mu_to_seconds(self.loop_in.timestamp_mu() - t0))
t1 = self.loop_in.timestamp_mu()
if t1 < 0:
raise PulseNotReceived()
self.set_dataset("rtt", mu_to_seconds(t1 - t0))
class ClockGeneratorLoopback(EnvExperiment):