forked from sinara-hw/datasheets
96 lines
2.6 KiB
Python
96 lines
2.6 KiB
Python
from artiq.experiment import *
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class SoftwareEdgeCount(EnvExperiment):
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def build(self):
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self.setattr_device("core")
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self.ttlin = self.get_device("ttl0")
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self.ttlout = self.get_device("ttl7")
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@kernel
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def run(self):
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self.core.reset()
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gate_start_mu = now_mu()
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# Start input gate & advance timeline cursor to gate_end_mu
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gate_end_mu = self.ttlin.gate_rising(1*ms)
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at_mu(gate_start_mu)
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for _ in range(64):
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self.ttlout.pulse(8*ns)
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delay(8*ns)
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counts = self.ttlin.count(gate_end_mu)
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print(counts)
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class EdgeCounter(EnvExperiment):
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def build(self):
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self.setattr_device("core")
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self.edgecounter0 = self.get_device("ttl0_counter")
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@kernel
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def run(self):
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self.core.reset()
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self.edgecounter0.gate_rising(1*ms)
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counts = self.edgecounter0.fetch_count()
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print(counts)
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class ExternalTrigger(EnvExperiment):
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def build(self):
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self.setattr_device("core")
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self.ttlin = self.get_device("ttl0")
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self.ttlout = self.get_device("ttl4")
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@kernel
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def run(self):
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self.core.reset()
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gate_end_mu = self.ttlin.gate_rising(5*ms)
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timestamp_mu = self.ttlin.timestamp_mu(gate_end_mu)
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at_mu(timestamp_mu + self.core.seconds_to_mu(10*ms))
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self.ttlout.pulse(1*us)
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import time
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class MeanTimestampDuration(EnvExperiment):
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def build(self):
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self.setattr_device("core")
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self.ttlin = self.get_device("ttl0")
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self.ttlclk = self.get_device("ttl7")
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@kernel
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def get_timestamp_duration(self, pulse_num) -> TInt64:
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self.core.break_realtime()
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delay(1*ms)
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gate_start_mu = now_mu()
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# Start input gate & advance timeline cursor to gate_end_mu
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gate_end_mu = self.ttlin.gate_rising(1*ms)
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at_mu(gate_start_mu)
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self.ttlclk.set_mu(0x800000)
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delay(16*pulse_num*ns)
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self.ttlclk.set_mu(0)
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# Guarantee t0 > gate_end_mu
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# Otherwise timestamp_mu may wait for pulses till gate_end_mu
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self.rpc_sleep(1*ms)
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t0 = self.core.get_rtio_counter_mu()
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while self.ttlin.timestamp_mu(gate_end_mu) >= 0:
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pass
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t1 = self.core.get_rtio_counter_mu()
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return t1 - t0
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@rpc
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def rpc_sleep(self, duration):
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time.sleep(duration)
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@kernel
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def run(self):
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self.core.reset()
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t64 = self.get_timestamp_duration(64)
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t8 = self.get_timestamp_duration(8)
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print("Mean timestamp_mu duration:")
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print(self.core.mu_to_seconds((t64 - t8)/((64 + 1) - (8 + 1))))
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