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test/coredevice: add analyzer unittest
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artiq/test/coredevice/analyzer.py
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30
artiq/test/coredevice/analyzer.py
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from artiq.language import *
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from artiq.coredevice.analyzer import decode_dump, OutputMessage
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from artiq.test.hardware_testbench import ExperimentCase
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class CreateTTLPulse(EnvExperiment):
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def build(self):
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self.setattr_device("core")
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self.setattr_device("ttl_out")
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@kernel
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def run(self):
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self.ttl_out.pulse_mu(1000)
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class AnalyzerTest(ExperimentCase):
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def test_ttl_pulse(self):
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comm = self.device_mgr.get("comm")
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# clear analyzer buffer
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comm.get_analyzer_dump()
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exp = self.create(CreateTTLPulse)
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exp.run()
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dump = decode_dump(comm.get_analyzer_dump())
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ttl_messages = [msg for msg in dump.messages if isinstance(msg, OutputMessage)]
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self.assertEqual(len(ttl_messages), 2)
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self.assertEqual(abs(ttl_messages[0].timestamp - ttl_messages[1].timestamp), 1000)
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