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Remove microcycle unit

Introducing it complicates things and has no advantage with good rational arithmetic support.
This commit is contained in:
Sebastien Bourdeauducq 2014-10-05 17:54:22 +08:00
parent 59194176a9
commit 2944592201
6 changed files with 9 additions and 15 deletions

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@ -1,3 +1,3 @@
from artiq.language.core import * from artiq.language.core import *
from artiq.language.units import microcycle, ps, ns, us, ms, s from artiq.language.units import ps, ns, us, ms, s
from artiq.language.units import Hz, kHz, MHz, GHz from artiq.language.units import Hz, kHz, MHz, GHz

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@ -306,7 +306,7 @@ def delay(duration):
def now(): def now():
"""Retrieves the current RTIO time, in microcycles. """Retrieves the current RTIO time, in seconds.
""" """
return _time_manager.get_time() return _time_manager.get_time()

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@ -157,6 +157,3 @@ def _register_unit(name, prefixes):
_register_unit("s", "pnum_") _register_unit("s", "pnum_")
_register_unit("Hz", "_kMG") _register_unit("Hz", "_kMG")
microcycle_unit = Unit("microcycle")
microcycle = Quantity(1, microcycle_unit)

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@ -49,7 +49,7 @@ class _ReferenceManager:
self.use_count[kg] = 1 self.use_count[kg] = 1
for name in ("int", "round", "int64", "round64", "float", "array", for name in ("int", "round", "int64", "round64", "float", "array",
"range", "Fraction", "Quantity", "EncodedException", "range", "Fraction", "Quantity", "EncodedException",
"s_unit", "Hz_unit", "microcycle_unit"): "s_unit", "Hz_unit"):
self.use_count[name] = 1 self.use_count[name] = 1
def new_name(self, base_name): def new_name(self, base_name):

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@ -7,7 +7,7 @@ from artiq.transforms.tools import *
# -1 statement duration could not be pre-determined # -1 statement duration could not be pre-determined
# 0 statement has no effect on timeline # 0 statement has no effect on timeline
# >0 statement is a static delay that advances the timeline # >0 statement is a static delay that advances the timeline
# by the given amount (in microcycles) # by the given amount
def _get_duration(stmt): def _get_duration(stmt):
if isinstance(stmt, (ast.Expr, ast.Assign)): if isinstance(stmt, (ast.Expr, ast.Assign)):
return _get_duration(stmt.value) return _get_duration(stmt.value)

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@ -24,9 +24,6 @@ class _UnitsLowerer(ast.NodeTransformer):
self.in_core_time = old_in_core_time self.in_core_time = old_in_core_time
elif fn == "Quantity": elif fn == "Quantity":
if self.in_core_time: if self.in_core_time:
if node.args[1].id == "microcycle_units":
node = node.args[0]
else:
node = ast.copy_location( node = ast.copy_location(
ast.BinOp(left=node.args[0], ast.BinOp(left=node.args[0],
op=ast.Div(), op=ast.Div(),