artiq/artiq/test/coredevice/analyzer.py

47 lines
1.5 KiB
Python

from artiq.language import *
from artiq.coredevice.analyzer import decode_dump, OutputMessage, InputMessage
from artiq.test.hardware_testbench import ExperimentCase
class CreateTTLPulse(EnvExperiment):
def build(self):
self.setattr_device("core")
self.setattr_device("ttl_inout")
@kernel
def run(self):
self.ttl_inout.output()
delay_mu(100)
with parallel:
self.ttl_inout.gate_both_mu(1200)
with sequential:
delay_mu(100)
self.ttl_inout.pulse_mu(1000)
self.ttl_inout.count()
class AnalyzerTest(ExperimentCase):
def test_ttl_pulse(self):
comm = self.device_mgr.get("comm")
# clear analyzer buffer
comm.get_analyzer_dump()
exp = self.create(CreateTTLPulse)
exp.run()
dump = decode_dump(comm.get_analyzer_dump())
output_messages = [msg for msg in dump.messages
if isinstance(msg, OutputMessage)
and msg.address == 0]
self.assertEqual(len(output_messages), 2)
self.assertEqual(
abs(output_messages[0].timestamp - output_messages[1].timestamp),
1000)
input_messages = [msg for msg in dump.messages
if isinstance(msg, InputMessage)]
self.assertEqual(len(input_messages), 2)
self.assertAlmostEqual(
abs(input_messages[0].timestamp - input_messages[1].timestamp),
1000, delta=1)