nac3/nac3artiq/min_artiq.py

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from inspect import isclass, getmodule
from functools import wraps
import sys
from numpy import int32, int64
import nac3artiq
__all__ = ["KernelInvariant", "extern", "kernel", "portable", "ms", "us", "ns",
"Core", "TTLOut", "parallel", "sequential"]
import device_db
core_arguments = device_db.device_db["core"]["arguments"]
nac3 = nac3artiq.NAC3(core_arguments["target"])
allow_module_registration = True
registered_ids = set()
def KernelInvariant(t):
return t
def register_module_of(obj):
global registered_ids
assert allow_module_registration
module = getmodule(obj)
module_id = id(module)
if module_id not in registered_ids:
nac3.register_module(module)
registered_ids.add(module_id)
def extern(function):
register_module_of(function)
return function
def kernel(class_or_function):
register_module_of(class_or_function)
if isclass(class_or_function):
return class_or_function
else:
@wraps(class_or_function)
def device_only(*args, **kwargs):
raise RuntimeError("Kernels must not be called directly, use core.run(kernel_function) instead")
return device_only
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def portable(function):
register_module_of(function)
return function
def get_defined_class(method):
return vars(sys.modules[method.__module__])[method.__qualname__.split('.')[0]]
ms = 1e-3
us = 1e-6
ns = 1e-9
@extern
def rtio_init():
raise NotImplementedError("syscall not simulated")
@extern
def rtio_get_counter() -> int64:
raise NotImplementedError("syscall not simulated")
@extern
def rtio_output(target: int32, data: int32):
raise NotImplementedError("syscall not simulated")
@extern
def rtio_input_timestamp(timeout_mu: int64, channel: int32) -> int64:
raise NotImplementedError("syscall not simulated")
@extern
def rtio_input_data(channel: int32) -> int32:
raise NotImplementedError("syscall not simulated")
def at_mu(_):
raise NotImplementedError("at_mu not simulated")
def now_mu() -> int32:
raise NotImplementedError("now_mu not simulated")
def delay_mu(_):
raise NotImplementedError("delay_mu not simulated")
@kernel
class Core:
ref_period: float
def __init__(self):
self.ref_period = core_arguments["ref_period"]
def run(self, method, *args, **kwargs):
global allow_module_registration
if allow_module_registration:
nac3.analyze()
allow_module_registration = False
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if hasattr(method, "__self__"):
obj = method.__self__
name = method.__name__
else:
obj = method
name = ""
nac3.compile_method(obj, name, args)
@kernel
def reset(self):
rtio_init()
at_mu(rtio_get_counter() + int64(125000))
@kernel
def break_realtime(self):
min_now = rtio_get_counter() + int64(125000)
if now_mu() < min_now:
at_mu(min_now)
@portable
def seconds_to_mu(self, seconds: float) -> int64:
return int64(round(seconds/self.ref_period))
@portable
def mu_to_seconds(self, mu: int64) -> float:
return float(mu)*self.ref_period
@kernel
def delay(self, dt: float):
delay_mu(self.seconds_to_mu(dt))
@kernel
class TTLOut:
core: Core
channel: int32
target_o: int32
@portable
def __init__(self, core: Core, channel: int32):
self.core = core
self.channel = channel
self.target_o = channel << 8
@kernel
def output(self):
pass
@kernel
def set_o(self, o: bool):
rtio_output(self.target_o, 1 if o else 0)
@kernel
def on(self):
self.set_o(True)
@kernel
def off(self):
self.set_o(False)
@kernel
def pulse_mu(self, duration: int64):
self.on()
delay_mu(duration)
self.off()
@kernel
def pulse(self, duration: float):
self.on()
self.core.delay(duration)
self.off()
@portable
class KernelContextManager:
@kernel
def __enter__(self):
pass
@kernel
def __exit__(self):
pass
parallel = KernelContextManager()
sequential = KernelContextManager()