M-Labs/artiq
2
0
Fork 2
mirror of https://github.com/m-labs/artiq.git synced 2024-12-25 11:18:27 +08:00
Code Issues Projects Releases Wiki Activity

sawg: rtio_output_wide

Browse Source
This commit is contained in:
Robert Jördens 2016-11-29 17:23:06 +01:00
parent f6fc7f9216
commit 4a03e3fce0
1 changed files with 9 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
artiq/coredevice/sawg.py
View File

@ -1,6 +1,6 @@
from numpy import int32, int64
from artiq.language.core import kernel, now_mu, portable, delay
from artiq.coredevice.rtio import rtio_output, rtio_output_list
from artiq.coredevice.rtio import rtio_output, rtio_output_wide
from artiq.language.types import TInt32, TInt64, TFloat, TList
@ -51,15 +51,15 @@ class Spline:
:param value: Spline value relative to full-scale.
"""
rtio_output_list(now_mu(), self.channel, 0, self.to_mu64(value))
rtio_output_wide(now_mu(), self.channel, 0, self.to_mu64(value))
@kernel
def set_list_mu(self, value):
def set_coeff_mu(self, value):
"""Set spline raw values.
:param value: Spline packed raw values.
"""
rtio_output_list(now_mu(), self.channel, 0, value)
rtio_output_wide(now_mu(), self.channel, 0, value)
@portable(flags={"fast-math"})
def pack_coeff_mu(self, coeff, packed):
@ -94,7 +94,7 @@ class Spline:
coeff64[1] += (ci // 3) >> (2*self.time_width + 1)
@kernel
def set_list(self, value):
def set_coeff(self, value):
"""Set spline coefficients.
:param value: List of floating point spline knot coefficients,
@ -106,7 +106,7 @@ class Spline:
packed = [int32(0)] * ((width + 31)//32)
self.coeff_to_mu(value, coeff64)
self.pack_coeff_mu(coeff64, packed)
self.set_list_mu(packed)
self.set_coeff_mu(packed)
@kernel(flags={"fast-math"})
def smooth(self, start: TFloat, stop: TFloat, duration: TFloat,
@ -132,14 +132,14 @@ class Spline:
"""
if order == 0:
delay(duration/2)
self.set_list([stop])
self.set_coeff([stop])
delay(duration/2)
elif order == 1:
self.set_list([start, (stop - start)/duration])
self.set_coeff([start, (stop - start)/duration])
delay(duration)
elif order == 3:
v2 = 6*(stop - start)/(duration*duration)
self.set_list([start, 0., v2, -2*v2/duration])
self.set_coeff([start, 0., v2, -2*v2/duration])
delay(duration)
else:
raise ValueError("Invalid interpolation order. "