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ttl: add timestamp()

This commit is contained in:
Robert Jördens 2015-07-28 16:16:49 -06:00
parent e95b66f114
commit 5f5227f01f
1 changed files with 12 additions and 2 deletions
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14
artiq/coredevice/ttl.py
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@ -196,13 +196,23 @@ class TTLInOut:
@kernel @kernel
def timestamp_mu(self): def timestamp_mu(self):
"""Poll the RTIO input and returns an event timestamp, according to """Poll the RTIO input and returns an event timestamp (in machine
the gating. units), according to the gating.
If the gate is permanently closed, returns a negative value. If the gate is permanently closed, returns a negative value.
""" """
return syscall("ttl_get", self.channel, self.i_previous_timestamp) return syscall("ttl_get", self.channel, self.i_previous_timestamp)
@kernel
def timestamp(self):
"""Poll the RTIO input and returns an event timestamp (in seconds),
according to the gating.
If the gate is permanently closed, returns a negative value.
"""
return mu_to_seconds(
syscall("ttl_get", self.channel, self.i_previous_timestamp))
class TTLClockGen: class TTLClockGen:
"""RTIO TTL clock generator driver. """RTIO TTL clock generator driver.