mirror of https://github.com/m-labs/artiq.git
devices: basic pdq2 controller/client
This commit is contained in:
parent
16170c9013
commit
3f1391f7f2
|
@ -1,23 +1,27 @@
|
||||||
#!/usr/bin/env python3
|
#!/usr/bin/env python3
|
||||||
|
|
||||||
# Robert Jordens <jordens@gmail.com>, 2012
|
# Based on code by Robert Jordens <jordens@gmail.com>, 2012
|
||||||
|
|
||||||
import argparse
|
import argparse
|
||||||
import time
|
import time
|
||||||
import logging
|
|
||||||
|
|
||||||
from scipy import interpolate
|
from scipy import interpolate
|
||||||
import numpy as np
|
import numpy as np
|
||||||
|
|
||||||
from pdq2com import Pdq2
|
from artiq.management.pc_rpc import Client
|
||||||
|
|
||||||
|
|
||||||
def _main():
|
def _get_args():
|
||||||
parser = argparse.ArgumentParser(description="""PDQ2 frontend.
|
parser = argparse.ArgumentParser(description="""PDQ2 client.
|
||||||
Evaluates times and voltages, interpolates and uploads
|
Evaluates times and voltages, interpolates and uploads
|
||||||
them.""")
|
them to the controller.""")
|
||||||
parser.add_argument("-s", "--serial", default=None,
|
parser.add_argument("-s", "--server", default="::1",
|
||||||
help="device (FT245R) serial string [first]")
|
help="hostname or IP of the master to connect to")
|
||||||
|
parser.add_argument("--port", default=8889, type=int,
|
||||||
|
help="TCP port to use to connect to the master")
|
||||||
|
parser.add_argument("-q", "--quit-controller", default=False,
|
||||||
|
action="store_true",
|
||||||
|
help="causes the controller to quit")
|
||||||
parser.add_argument("-c", "--channel", default=0, type=int,
|
parser.add_argument("-c", "--channel", default=0, type=int,
|
||||||
help="channel: 3*board_num+dac_num [%(default)s]")
|
help="channel: 3*board_num+dac_num [%(default)s]")
|
||||||
parser.add_argument("-f", "--frame", default=0, type=int,
|
parser.add_argument("-f", "--frame", default=0, type=int,
|
||||||
|
@ -44,42 +48,44 @@ def _main():
|
||||||
help="demo mode: pulse and chirp,"
|
help="demo mode: pulse and chirp,"
|
||||||
" 1V*ch+0.1V*frame [%(default)s]")
|
" 1V*ch+0.1V*frame [%(default)s]")
|
||||||
parser.add_argument("-p", "--plot", help="plot to file [%(default)s]")
|
parser.add_argument("-p", "--plot", help="plot to file [%(default)s]")
|
||||||
parser.add_argument("-d", "--debug", default=False,
|
|
||||||
action="store_true", help="debug communications")
|
|
||||||
parser.add_argument("-r", "--reset", default=False,
|
parser.add_argument("-r", "--reset", default=False,
|
||||||
action="store_true", help="do reset before")
|
action="store_true", help="do reset before")
|
||||||
parser.add_argument("-b", "--bit", default=False,
|
parser.add_argument("-b", "--bit", default=False,
|
||||||
action="store_true", help="do bit test")
|
action="store_true", help="do bit test")
|
||||||
|
return parser.parse_args()
|
||||||
|
|
||||||
args = parser.parse_args()
|
|
||||||
|
|
||||||
if args.debug:
|
def _main():
|
||||||
logging.basicConfig(level=logging.DEBUG)
|
args = _get_args()
|
||||||
else:
|
dev = Client(args.server, args.port)
|
||||||
logging.basicConfig(level=logging.WARNING)
|
if args.quit_controller:
|
||||||
|
dev.quit()
|
||||||
times = eval(args.times, globals(), {})
|
return
|
||||||
voltages = eval(args.voltages, globals(), dict(t=times))
|
dev.init()
|
||||||
|
|
||||||
dev = Pdq2(serial=args.serial)
|
|
||||||
|
|
||||||
if args.reset:
|
if args.reset:
|
||||||
dev.write(b"\x00") # flush any escape
|
dev.flush_escape()
|
||||||
dev.write_cmd("RESET_EN")
|
dev.write_cmd("RESET_EN")
|
||||||
time.sleep(.1)
|
time.sleep(.1)
|
||||||
if args.dcm:
|
if args.dcm:
|
||||||
dev.write_cmd("DCM_EN")
|
dev.write_cmd("DCM_EN")
|
||||||
dev.freq = 100e6
|
dev.set_freq(100e6)
|
||||||
elif args.dcm == 0:
|
elif args.dcm == 0:
|
||||||
dev.write_cmd("DCM_DIS")
|
dev.write_cmd("DCM_DIS")
|
||||||
dev.freq = 50e6
|
dev.set_freq(50e6)
|
||||||
dev.write_cmd("START_DIS")
|
dev.write_cmd("START_DIS")
|
||||||
|
|
||||||
|
num_channels = dev.get_num_channels()
|
||||||
|
num_frames = dev.get_num_frames()
|
||||||
|
times = eval(args.times, globals(), {})
|
||||||
|
voltages = eval(args.voltages, globals(), dict(t=times))
|
||||||
|
|
||||||
if args.demo:
|
if args.demo:
|
||||||
channels = [args.channel] if args.channel < dev.num_channels \
|
# FIXME
|
||||||
else range(dev.num_channels)
|
channels = [args.channel] if args.channel < num_channels \
|
||||||
frames = [args.frame] if args.frame < dev.num_frames \
|
else range(num_channels)
|
||||||
else range(dev.num_frames)
|
frames = [args.frame] if args.frame < num_frames \
|
||||||
|
else range(num_frames)
|
||||||
for channel in channels:
|
for channel in channels:
|
||||||
f = []
|
f = []
|
||||||
for frame in frames:
|
for frame in frames:
|
||||||
|
@ -95,32 +101,29 @@ def _main():
|
||||||
board, dac = divmod(channel, dev.num_dacs)
|
board, dac = divmod(channel, dev.num_dacs)
|
||||||
dev.write_data(dev.add_mem_header(board, dac, dev.map_frames(f)))
|
dev.write_data(dev.add_mem_header(board, dac, dev.map_frames(f)))
|
||||||
elif args.bit:
|
elif args.bit:
|
||||||
map = [0] * dev.num_frames
|
map = [0] * num_frames
|
||||||
t = np.arange(2*16) * 1.
|
t = np.arange(2*16) * 1.
|
||||||
v = [-1, 0, -1]
|
v = [-1, 0, -1]
|
||||||
for i in range(15):
|
for i in range(15):
|
||||||
vi = 1 << i
|
vi = 1 << i
|
||||||
v.extend([vi - 1, vi])
|
v.extend([vi - 1, vi])
|
||||||
v = np.array(v)*dev.max_out/(1 << 15)
|
v = np.array(v)*dev.get_max_out()/(1 << 15)
|
||||||
t, v = t[:3], v[:3]
|
t, v = t[:3], v[:3]
|
||||||
# print(t, v)
|
# print(t, v)
|
||||||
for channel in range(dev.num_channels):
|
for channel in range(num_channels):
|
||||||
dev.write_data(dev.multi_frame([(t, v)], channel=channel,
|
dev.multi_frame([(t, v)], channel=channel, order=0, map=map,
|
||||||
order=0, map=map, shift=15,
|
shift=15, stop=False, trigger=False)
|
||||||
stop=False, trigger=False))
|
|
||||||
else:
|
else:
|
||||||
tv = [(times, voltages)]
|
tv = [(times, voltages)]
|
||||||
map = [None] * dev.num_frames
|
map = [None] * num_frames
|
||||||
map[args.frame] = 0
|
map[args.frame] = 0
|
||||||
dev.write_data(dev.multi_frame(tv, channel=args.channel,
|
dev.multi_frame(tv, channel=args.channel, order=args.order, map=map)
|
||||||
order=args.order, map=map))
|
|
||||||
|
|
||||||
dev.write_cmd("START_EN")
|
dev.write_cmd("START_EN")
|
||||||
if not args.disarm:
|
if not args.disarm:
|
||||||
dev.write_cmd("ARM_EN")
|
dev.write_cmd("ARM_EN")
|
||||||
if args.free:
|
if args.free:
|
||||||
dev.write_cmd("TRIGGER_EN")
|
dev.write_cmd("TRIGGER_EN")
|
||||||
dev.close()
|
|
||||||
|
|
||||||
if args.plot:
|
if args.plot:
|
||||||
from matplotlib import pyplot as plt
|
from matplotlib import pyplot as plt
|
||||||
|
@ -128,7 +131,7 @@ def _main():
|
||||||
ax0.plot(times, voltages, "xk", label="points")
|
ax0.plot(times, voltages, "xk", label="points")
|
||||||
if args.order:
|
if args.order:
|
||||||
spline = interpolate.splrep(times, voltages, k=args.order)
|
spline = interpolate.splrep(times, voltages, k=args.order)
|
||||||
ttimes = np.arange(0, times[-1], 1/dev.freq)
|
ttimes = np.arange(0, times[-1], 1/dev.get_freq())
|
||||||
vvoltages = interpolate.splev(ttimes, spline)
|
vvoltages = interpolate.splev(ttimes, spline)
|
||||||
ax0.plot(ttimes, vvoltages, ",b", label="interpolation")
|
ax0.plot(ttimes, vvoltages, ",b", label="interpolation")
|
||||||
fig.savefig(args.plot)
|
fig.savefig(args.plot)
|
||||||
|
|
158
artiq/devices/pdq2/pdq2com.py → artiq/devices/pdq2/pdq2-controller
Normal file → Executable file
158
artiq/devices/pdq2/pdq2com.py → artiq/devices/pdq2/pdq2-controller
Normal file → Executable file
|
@ -1,12 +1,17 @@
|
||||||
# Robert Jordens <jordens@gmail.com>, 2012
|
#!/usr/bin/env python3
|
||||||
|
|
||||||
|
# Based on code by Robert Jordens <jordens@gmail.com>, 2012
|
||||||
|
|
||||||
import logging
|
import logging
|
||||||
import struct
|
import struct
|
||||||
import warnings
|
import argparse
|
||||||
|
import asyncio
|
||||||
|
|
||||||
from scipy import interpolate
|
from scipy import interpolate
|
||||||
import numpy as np
|
import numpy as np
|
||||||
|
|
||||||
|
from artiq.management.pc_rpc import Server, WaitQuit
|
||||||
|
|
||||||
|
|
||||||
logger = logging.getLogger("Pdq2")
|
logger = logging.getLogger("Pdq2")
|
||||||
|
|
||||||
|
@ -74,26 +79,14 @@ if Ftdi is None:
|
||||||
self.fil.close()
|
self.fil.close()
|
||||||
del self.fil
|
del self.fil
|
||||||
|
|
||||||
warnings.warn("no ftdi library found. writing to files")
|
logger.warning("no ftdi library found. writing to files")
|
||||||
Ftdi = FileFtdi
|
Ftdi = FileFtdi
|
||||||
|
|
||||||
|
|
||||||
class Pdq2:
|
class Pdq2(WaitQuit):
|
||||||
"""
|
"""
|
||||||
PDQ DAC (a.k.a. QC_Waveform)
|
PDQ DAC (a.k.a. QC_Waveform)
|
||||||
"""
|
"""
|
||||||
max_val = 1 << 15 # signed 16 bit DAC
|
|
||||||
max_out = 10.
|
|
||||||
freq = 50e6 # samples/s
|
|
||||||
max_time = 1 << 16 # unsigned 16 bit timer
|
|
||||||
num_dacs = 3
|
|
||||||
num_frames = 8
|
|
||||||
num_channels = 9
|
|
||||||
max_data = 4*(1 << 10) # 8kx16 8kx16 4kx16
|
|
||||||
escape_char = b"\xa5"
|
|
||||||
cordic_gain = 1.
|
|
||||||
for i in range(16):
|
|
||||||
cordic_gain *= np.sqrt(1 + 2**(-2*i))
|
|
||||||
|
|
||||||
commands = {
|
commands = {
|
||||||
"RESET_EN": b"\x00",
|
"RESET_EN": b"\x00",
|
||||||
|
@ -109,24 +102,51 @@ class Pdq2:
|
||||||
}
|
}
|
||||||
|
|
||||||
def __init__(self, serial=None):
|
def __init__(self, serial=None):
|
||||||
|
WaitQuit.__init__(self)
|
||||||
self.serial = serial
|
self.serial = serial
|
||||||
self.dev = Ftdi(serial)
|
self.dev = Ftdi(serial)
|
||||||
|
|
||||||
|
def init(self):
|
||||||
|
self.max_val = 1 << 15 # signed 16 bit DAC
|
||||||
|
self.max_out = 10.
|
||||||
|
self.freq = 50e6 # samples/s
|
||||||
|
self.max_time = 1 << 16 # unsigned 16 bit timer
|
||||||
|
self.num_dacs = 3
|
||||||
|
self.num_frames = 8
|
||||||
|
self.num_channels = 9
|
||||||
|
self.max_data = 4*(1 << 10) # 8kx16 8kx16 4kx16
|
||||||
|
self.escape_char = b"\xa5"
|
||||||
|
self.cordic_gain = 1.
|
||||||
|
for i in range(16):
|
||||||
|
self.cordic_gain *= np.sqrt(1 + 2**(-2*i))
|
||||||
|
|
||||||
def close(self):
|
def close(self):
|
||||||
self.dev.close()
|
self.dev.close()
|
||||||
del self.dev
|
del self.dev
|
||||||
|
|
||||||
def cmd(self, cmd):
|
def set_freq(self, f):
|
||||||
|
self.freq = f
|
||||||
|
|
||||||
|
def get_freq(self):
|
||||||
|
return self.freq
|
||||||
|
|
||||||
|
def get_num_channels(self):
|
||||||
|
return self.num_channels
|
||||||
|
|
||||||
|
def get_num_frames(self):
|
||||||
|
return self.num_frames
|
||||||
|
|
||||||
|
def get_max_out(self):
|
||||||
|
return self.max_out
|
||||||
|
|
||||||
|
def _cmd(self, cmd):
|
||||||
return self.escape_char + self.commands[cmd]
|
return self.escape_char + self.commands[cmd]
|
||||||
|
|
||||||
def write_cmd(self, cmd):
|
def _escape(self, data):
|
||||||
return self.write(self.cmd(cmd))
|
|
||||||
|
|
||||||
def escape(self, data):
|
|
||||||
return data.replace(self.escape_char,
|
return data.replace(self.escape_char,
|
||||||
self.escape_char + self.escape_char)
|
self.escape_char + self.escape_char)
|
||||||
|
|
||||||
def write(self, *segments):
|
def _write(self, *segments):
|
||||||
"""
|
"""
|
||||||
writes data segments to device
|
writes data segments to device
|
||||||
"""
|
"""
|
||||||
|
@ -135,17 +155,23 @@ class Pdq2:
|
||||||
if written != len(segment):
|
if written != len(segment):
|
||||||
raise IOError("wrote %i of %i" % (written, len(segment)))
|
raise IOError("wrote %i of %i" % (written, len(segment)))
|
||||||
|
|
||||||
def write_data(self, *segments):
|
def flush_escape(self):
|
||||||
return self.write(*(self.escape(seg) for seg in segments))
|
self._write(b"\x00")
|
||||||
|
|
||||||
def line_times(self, t, shift=0):
|
def write_cmd(self, cmd):
|
||||||
|
return self._write(self._cmd(cmd))
|
||||||
|
|
||||||
|
def _write_data(self, *segments):
|
||||||
|
return self._write(*(self._escape(seg) for seg in segments))
|
||||||
|
|
||||||
|
def _line_times(self, t, shift=0):
|
||||||
scale = self.freq/2**shift
|
scale = self.freq/2**shift
|
||||||
t = t*scale
|
t = t*scale
|
||||||
tr = np.rint(t)
|
tr = np.rint(t)
|
||||||
dt = np.diff(tr)
|
dt = np.diff(tr)
|
||||||
return t, tr, dt
|
return t, tr, dt
|
||||||
|
|
||||||
def interpolate(self, t, v, order, shift=0, tr=None):
|
def _interpolate(self, t, v, order, shift=0, tr=None):
|
||||||
"""
|
"""
|
||||||
calculate spline interpolation derivatives for data
|
calculate spline interpolation derivatives for data
|
||||||
according to interpolation order
|
according to interpolation order
|
||||||
|
@ -171,7 +197,7 @@ class Pdq2:
|
||||||
dv[i] -= c*dv[j]
|
dv[i] -= c*dv[j]
|
||||||
return dv
|
return dv
|
||||||
|
|
||||||
def pack_frame(self, *parts_dtypes):
|
def _pack_frame(self, *parts_dtypes):
|
||||||
frame = []
|
frame = []
|
||||||
for part, dtype in parts_dtypes:
|
for part, dtype in parts_dtypes:
|
||||||
if dtype == "i6":
|
if dtype == "i6":
|
||||||
|
@ -185,9 +211,9 @@ class Pdq2:
|
||||||
frame, frame.dtype, frame.shape, len(bytes(frame.data)))
|
frame, frame.dtype, frame.shape, len(bytes(frame.data)))
|
||||||
return bytes(frame.data)
|
return bytes(frame.data)
|
||||||
|
|
||||||
def frame(self, t, v, p=None, f=None,
|
def _frame(self, t, v, p=None, f=None,
|
||||||
order=3, aux=None, shift=0, trigger=True, end=True,
|
order=3, aux=None, shift=0, trigger=True, end=True,
|
||||||
silence=False, stop=True, clear=True, wait=False):
|
silence=False, stop=True, clear=True, wait=False):
|
||||||
"""
|
"""
|
||||||
serialize frame data
|
serialize frame data
|
||||||
voltages in volts, times in seconds
|
voltages in volts, times in seconds
|
||||||
|
@ -217,7 +243,7 @@ class Pdq2:
|
||||||
head[-1] |= (not stop and wait) << 15 # 1
|
head[-1] |= (not stop and wait) << 15 # 1
|
||||||
parts.append((head, "u2"))
|
parts.append((head, "u2"))
|
||||||
|
|
||||||
t, tr, dt = self.line_times(t, shift)
|
t, tr, dt = self._line_times(t, shift)
|
||||||
assert np.all(dt*2**shift > 1 + length), (dt, length)
|
assert np.all(dt*2**shift > 1 + length), (dt, length)
|
||||||
assert np.all(dt < self.max_time), dt
|
assert np.all(dt < self.max_time), dt
|
||||||
|
|
||||||
|
@ -226,20 +252,20 @@ class Pdq2:
|
||||||
v = np.clip(v/self.max_out, -1, 1)
|
v = np.clip(v/self.max_out, -1, 1)
|
||||||
if p is not None:
|
if p is not None:
|
||||||
v /= self.cordic_gain
|
v /= self.cordic_gain
|
||||||
for dv, w in zip(self.interpolate(t, v, order, shift, tr), words):
|
for dv, w in zip(self._interpolate(t, v, order, shift, tr), words):
|
||||||
parts.append((np.rint(dv*(2**(16*w - 1))), "i%i" % (2*w)))
|
parts.append((np.rint(dv*(2**(16*w - 1))), "i%i" % (2*w)))
|
||||||
|
|
||||||
if p is not None:
|
if p is not None:
|
||||||
p = p/(2*np.pi)
|
p = p/(2*np.pi)
|
||||||
for dv, w in zip(self.interpolate(t, p, 0, shift, tr), [1]):
|
for dv, w in zip(self._interpolate(t, p, 0, shift, tr), [1]):
|
||||||
parts.append((np.rint(dv*(2**(16*w))), "u%i" % (2*w)))
|
parts.append((np.rint(dv*(2**(16*w))), "u%i" % (2*w)))
|
||||||
|
|
||||||
if f is not None:
|
if f is not None:
|
||||||
f = f/self.freq
|
f = f/self.freq
|
||||||
for dv, w in zip(self.interpolate(t, f, 1, shift, tr), [2, 2]):
|
for dv, w in zip(self._interpolate(t, f, 1, shift, tr), [2, 2]):
|
||||||
parts.append((np.rint(dv*(2**(16*w))), "i%i" % (2*w)))
|
parts.append((np.rint(dv*(2**(16*w))), "i%i" % (2*w)))
|
||||||
|
|
||||||
frame = self.pack_frame(*parts)
|
frame = self._pack_frame(*parts)
|
||||||
|
|
||||||
if stop:
|
if stop:
|
||||||
if p is not None:
|
if p is not None:
|
||||||
|
@ -255,9 +281,9 @@ class Pdq2:
|
||||||
1, int(v[-1]*2**15))
|
1, int(v[-1]*2**15))
|
||||||
return frame
|
return frame
|
||||||
|
|
||||||
def line(self, dt, v=(), a=(), p=(), f=(), typ=0,
|
def _line(self, dt, v=(), a=(), p=(), f=(), typ=0,
|
||||||
silence=False, end=False, trigger=False, aux=False,
|
silence=False, end=False, trigger=False, aux=False,
|
||||||
clear=False):
|
clear=False):
|
||||||
raise NotImplementedError
|
raise NotImplementedError
|
||||||
fmt = "<HH"
|
fmt = "<HH"
|
||||||
parts = [0, int(round(dt*self.freq))]
|
parts = [0, int(round(dt*self.freq))]
|
||||||
|
@ -272,7 +298,7 @@ class Pdq2:
|
||||||
if p is not None:
|
if p is not None:
|
||||||
typ = 1
|
typ = 1
|
||||||
|
|
||||||
def map_frames(self, frames, map=None):
|
def _map_frames(self, frames, map=None):
|
||||||
table = []
|
table = []
|
||||||
adr = self.num_frames
|
adr = self.num_frames
|
||||||
for frame in frames:
|
for frame in frames:
|
||||||
|
@ -291,15 +317,59 @@ class Pdq2:
|
||||||
t = struct.pack("<" + "H"*self.num_frames, *t)
|
t = struct.pack("<" + "H"*self.num_frames, *t)
|
||||||
return t + b"".join(frames)
|
return t + b"".join(frames)
|
||||||
|
|
||||||
def add_mem_header(self, board, dac, data, adr=0):
|
def _add_mem_header(self, board, dac, data, adr=0):
|
||||||
assert dac in range(self.num_dacs)
|
assert dac in range(self.num_dacs)
|
||||||
head = struct.pack("<HHH", (board << 4) | dac,
|
head = struct.pack("<HHH", (board << 4) | dac,
|
||||||
adr, adr + len(data)//2 - 1)
|
adr, adr + len(data)//2 - 1)
|
||||||
return head + data
|
return head + data
|
||||||
|
|
||||||
def multi_frame(self, times_voltages, channel, map=None, **kwargs):
|
def multi_frame(self, times_voltages, channel, map=None, **kwargs):
|
||||||
frames = [self.frame(t, v, **kwargs) for t, v in times_voltages]
|
frames = [self._frame(t, v, **kwargs) for t, v in times_voltages]
|
||||||
data = self.map_frames(frames, map)
|
data = self._map_frames(frames, map)
|
||||||
board, dac = divmod(channel, self.num_dacs)
|
board, dac = divmod(channel, self.num_dacs)
|
||||||
data = self.add_mem_header(board, dac, data)
|
data = self._add_mem_header(board, dac, data)
|
||||||
return data
|
self._write_data(data)
|
||||||
|
|
||||||
|
|
||||||
|
def _get_args():
|
||||||
|
parser = argparse.ArgumentParser(description="PDQ2 controller")
|
||||||
|
parser.add_argument(
|
||||||
|
"--bind", default="::1",
|
||||||
|
help="hostname or IP address to bind to")
|
||||||
|
parser.add_argument(
|
||||||
|
"--port", default=8889, type=int,
|
||||||
|
help="TCP port to listen to")
|
||||||
|
parser.add_argument(
|
||||||
|
"-s", "--serial", default=None,
|
||||||
|
help="device (FT245R) serial string [first]")
|
||||||
|
parser.add_argument(
|
||||||
|
"-d", "--debug", default=False, action="store_true",
|
||||||
|
help="debug communications")
|
||||||
|
return parser.parse_args()
|
||||||
|
|
||||||
|
|
||||||
|
def main():
|
||||||
|
args = _get_args()
|
||||||
|
|
||||||
|
if args.debug:
|
||||||
|
logging.basicConfig(level=logging.DEBUG)
|
||||||
|
else:
|
||||||
|
logging.basicConfig(level=logging.WARNING)
|
||||||
|
|
||||||
|
dev = Pdq2(serial=args.serial)
|
||||||
|
try:
|
||||||
|
loop = asyncio.get_event_loop()
|
||||||
|
try:
|
||||||
|
server = Server(dev)
|
||||||
|
loop.run_until_complete(server.start(args.bind, args.port))
|
||||||
|
try:
|
||||||
|
loop.run_until_complete(dev.wait_quit())
|
||||||
|
finally:
|
||||||
|
loop.run_until_complete(server.stop())
|
||||||
|
finally:
|
||||||
|
loop.close()
|
||||||
|
finally:
|
||||||
|
dev.close()
|
||||||
|
|
||||||
|
if __name__ == "__main__":
|
||||||
|
main()
|
Loading…
Reference in New Issue