forked from M-Labs/artiq
language/core: support cycles_to_time and time_to_cycles outside of kernel
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@ -4,6 +4,8 @@ from collections import namedtuple as _namedtuple
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from copy import copy as _copy
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from functools import wraps as _wraps
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from artiq.language import units as _units
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class int64(int):
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"""64-bit integers for static compilation.
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@ -232,8 +234,6 @@ class _DummyTimeManager:
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take_time = _not_implemented
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get_time = _not_implemented
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set_time = _not_implemented
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time_to_cycles = _not_implemented
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cycles_to_time = _not_implemented
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_time_manager = _DummyTimeManager()
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@ -323,18 +323,30 @@ def at(time):
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_time_manager.set_time(time)
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def time_to_cycles(time):
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def time_to_cycles(time, core=None):
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"""Converts time to the corresponding number of RTIO cycles.
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:param time: Time (in seconds) to convert.
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:param core: Core device for which to perform the conversion. Specify only
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when running in the interpreter (not in kernel).
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"""
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return _time_manager.time_to_cycles(time)
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if core is None:
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raise ValueError("Core device must be specified for time conversion")
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return int64(time.amount//core.runtime_env.ref_period)
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def cycles_to_time(cycles):
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def cycles_to_time(cycles, core=None):
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"""Converts RTIO cycles to the corresponding time.
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:param time: Cycle count to convert.
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:param core: Core device for which to perform the conversion. Specify only
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when running in the interpreter (not in kernel).
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"""
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return _time_manager.cycles_to_time(cycles)
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if core is None:
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raise ValueError("Core device must be specified for time conversion")
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return cycles*core.runtime_env.ref_period*_units.s
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def syscall(*args):
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