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coredevice/core: add ref_multiplier and coarse_ref_period attributes

This commit is contained in:
Sebastien Bourdeauducq 2016-03-04 16:59:35 +08:00
parent 354a62f5d0
commit 4352d15016
1 changed files with 7 additions and 1 deletions
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8
artiq/coredevice/core.py
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@ -60,11 +60,17 @@ class Core:
The time machine unit is equal to this period. The time machine unit is equal to this period.
:param external_clock: whether the core device should switch to its :param external_clock: whether the core device should switch to its
external RTIO clock input instead of using its internal oscillator. external RTIO clock input instead of using its internal oscillator.
:param ref_multiplier: ratio between the RTIO fine timestamp frequency
and the RTIO coarse timestamp frequency (e.g. SERDES multiplication
factor).
:param comm_device: name of the device used for communications. :param comm_device: name of the device used for communications.
""" """
def __init__(self, dmgr, ref_period, external_clock=False, comm_device="comm"): def __init__(self, dmgr, ref_period, external_clock=False,
ref_multiplier=8, comm_device="comm"):
self.ref_period = ref_period self.ref_period = ref_period
self.external_clock = external_clock self.external_clock = external_clock
self.ref_multiplier = ref_multiplier
self.coarse_ref_period = ref_period*ref_multiplier
self.comm = dmgr.get(comm_device) self.comm = dmgr.get(comm_device)
self.first_run = True self.first_run = True