mirror of https://github.com/m-labs/artiq.git
105 lines
2.7 KiB
Python
105 lines
2.7 KiB
Python
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from random import Random
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from operator import itemgetter
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from artiq import units
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class SequentialTimeContext:
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def __init__(self, current_time):
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self.current_time = current_time
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self.block_duration = 0
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def take_time(self, amount):
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self.current_time += amount
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self.block_duration += amount
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class ParallelTimeContext:
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def __init__(self, current_time):
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self.current_time = current_time
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self.block_duration = 0
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def take_time(self, amount):
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if amount > self.block_duration:
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self.block_duration = amount
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class TimeManager:
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def __init__(self):
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self.stack = [SequentialTimeContext(0)]
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self.timeline = []
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def enter_sequential(self):
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new_context = SequentialTimeContext(self.stack[-1].current_time)
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self.stack.append(new_context)
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def enter_parallel(self):
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new_context = ParallelTimeContext(self.stack[-1].current_time)
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self.stack.append(new_context)
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def exit(self):
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old_context = self.stack.pop()
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self.take_time(old_context.block_duration)
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def take_time(self, amount):
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self.stack[-1].take_time(amount)
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def event(self, description):
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self.timeline.append((self.stack[-1].current_time, description))
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def format_timeline(self):
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r = ""
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prev_time = 0
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for time, description in sorted(self.timeline, key=itemgetter(0)):
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t = units.Quantity(time, units.base_s_unit)
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dt = units.Quantity(time-prev_time, units.base_s_unit)
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r += "@{:10} (+{:10}) ".format(str(t), str(dt))
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for item in description:
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r += "{:16}".format(str(item))
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r += "\n"
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prev_time = time
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return r
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# global namespace for interpreted kernels
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time_manager = TimeManager()
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prng = Random(42)
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class _Sequential:
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def __enter__(self):
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time_manager.enter_sequential()
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def __exit__(self, type, value, traceback):
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time_manager.exit()
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sequential = _Sequential()
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class _Parallel:
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def __enter__(self):
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time_manager.enter_parallel()
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def __exit__(self, type, value, traceback):
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time_manager.exit()
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parallel = _Parallel()
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def delay(duration):
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units.check_unit(duration, units.base_s_unit)
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time_manager.take_time(duration.amount)
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def wait_edge(input):
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duration = prng.randrange(17)*units.ms
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time_manager.event(("wait_edge", input, duration))
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time_manager.take_time(duration.amount)
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def pulse(output, frequency, duration):
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units.check_unit(frequency, units.base_Hz_unit)
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units.check_unit(duration, units.base_s_unit)
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time_manager.event(("pulse", output, frequency, duration))
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time_manager.take_time(duration.amount)
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def count_gate(input, duration):
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result = prng.randrange(100)
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units.check_unit(duration, units.base_s_unit)
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time_manager.event(("count_gate", input, duration, result))
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time_manager.take_time(duration.amount)
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return result
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def set_dac_voltage(output):
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time_manager.event(("set_dac_voltage", output))
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