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27 lines
688 B
Python
27 lines
688 B
Python
from artiq import *
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from artiq.coredevice.runtime_exceptions import RTIOUnderflow
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class PulseRate(Experiment, AutoDB):
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"""Sustained pulse rate"""
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class DBKeys:
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core = Device()
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ttl0 = Device()
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pulse_rate = Result()
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@kernel
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def run(self):
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T = time_to_cycles(100*ns)
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while True:
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try:
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for i in range(1000):
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self.ttl0.pulse(cycles_to_time(T))
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delay(cycles_to_time(T))
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except RTIOUnderflow:
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T += 1
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self.core.recover_underflow()
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else:
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self.pulse_rate = cycles_to_time(2*T)
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break
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