2014-10-14 15:54:28 +08:00
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from artiq import *
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2015-01-30 19:07:51 +08:00
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class PulseNotReceived(Exception):
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pass
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2014-10-14 15:54:28 +08:00
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2015-01-12 18:51:23 +08:00
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class RTIOSkew(AutoDB):
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class DBKeys:
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pmt0 = Device()
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ttl0 = Device()
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2015-01-29 23:49:17 +08:00
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io_skew = Result()
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2014-10-14 15:54:28 +08:00
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2015-01-30 19:07:51 +08:00
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@staticmethod
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def realtime_results():
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return {
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"io_skew": "raw"
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}
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2014-10-14 15:54:28 +08:00
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@kernel
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def run(self):
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with parallel:
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2014-12-03 18:20:30 +08:00
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self.pmt0.gate_rising(10*us)
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2014-10-14 15:54:28 +08:00
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with sequential:
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delay(5*us)
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out_t = now()
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2014-12-03 18:20:30 +08:00
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self.ttl0.pulse(5*us)
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in_t = self.pmt0.timestamp()
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2014-10-14 15:54:28 +08:00
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if in_t < 0*s:
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2015-01-30 19:07:51 +08:00
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raise PulseNotReceived
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self.io_skew = out_t - in_t
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