import asyncio
import threading
import logging
import socket
import struct
from operator import itemgetter
from PyQt5 import QtCore, QtWidgets, QtGui
from artiq.tools import TaskObject
from artiq.protocols.sync_struct import Subscriber
from artiq.gui.tools import LayoutWidget
from artiq.gui.flowlayout import FlowLayout
logger = logging.getLogger(__name__)
_mode_enc = {
"exp": 0,
"1": 1,
"0": 2,
"in": 3
}
class _MoninjWidget(QtWidgets.QFrame):
def __init__(self):
QtWidgets.QFrame.__init__(self)
qfm = QtGui.QFontMetrics(self.font())
self._size = QtCore.QSize(
18*qfm.averageCharWidth(),
6*qfm.lineSpacing())
self.setSizePolicy(QtWidgets.QSizePolicy.Fixed, QtWidgets.QSizePolicy.Fixed)
self.setFrameShape(QtWidgets.QFrame.Box)
self.setFrameShadow(QtWidgets.QFrame.Raised)
def sizeHint(self):
return self._size
class _TTLWidget(_MoninjWidget):
def __init__(self, channel, send_to_device, force_out, title):
self.channel = channel
self.send_to_device = send_to_device
self.force_out = force_out
_MoninjWidget.__init__(self)
grid = QtWidgets.QGridLayout()
self.setLayout(grid)
label = QtWidgets.QLabel(title)
label.setAlignment(QtCore.Qt.AlignCenter)
label.setWordWrap(True)
grid.addWidget(label, 1, 1)
self.stack = QtWidgets.QStackedWidget()
grid.addWidget(self.stack, 2, 1)
self.direction = QtWidgets.QLabel()
self.direction.setAlignment(QtCore.Qt.AlignCenter)
self.stack.addWidget(self.direction)
grid_cb = LayoutWidget()
self.override = QtWidgets.QCheckBox("Override")
grid_cb.addWidget(self.override, 3, 1)
self.level = QtWidgets.QCheckBox("Level")
grid_cb.addWidget(self.level, 3, 2)
self.stack.addWidget(grid_cb)
self.value = QtWidgets.QLabel()
self.value.setAlignment(QtCore.Qt.AlignCenter)
grid.addWidget(self.value, 3, 1)
grid.setRowStretch(1, 1)
grid.setRowStretch(2, 0)
grid.setRowStretch(3, 0)
grid.setRowStretch(4, 1)
self.programmatic_change = False
self.override.stateChanged.connect(self.override_toggled)
self.level.stateChanged.connect(self.level_toggled)
self.set_value(0, False, False)
def enterEvent(self, event):
self.stack.setCurrentIndex(1)
_MoninjWidget.enterEvent(self, event)
def leaveEvent(self, event):
if not self.override.isChecked():
self.stack.setCurrentIndex(0)
_MoninjWidget.leaveEvent(self, event)
def override_toggled(self, override):
if self.programmatic_change:
return
if override:
if self.level.isChecked():
self.set_mode("1")
else:
self.set_mode("0")
else:
self.set_mode("exp")
def level_toggled(self, level):
if self.programmatic_change:
return
if self.override.isChecked():
if level:
self.set_mode("1")
else:
self.set_mode("0")
def set_mode(self, mode):
data = struct.pack("bbb",
2, # MONINJ_REQ_TTLSET
self.channel, _mode_enc[mode])
self.send_to_device(data)
def set_value(self, value, oe, override):
value_s = "1" if value else "0"
if override:
value_s = "" + value_s + ""
color = " color=\"red\""
else:
color = ""
self.value.setText("{}".format(
color, value_s))
oe = oe or self.force_out
direction = "OUT" if oe else "IN"
self.direction.setText("" + direction + "")
self.programmatic_change = True
try:
self.override.setChecked(bool(override))
if override:
self.stack.setCurrentIndex(1)
self.level.setChecked(bool(value))
finally:
self.programmatic_change = False
class _DDSWidget(_MoninjWidget):
def __init__(self, bus_channel, channel, sysclk, title):
self.bus_channel = bus_channel
self.channel = channel
self.sysclk = sysclk
_MoninjWidget.__init__(self)
grid = QtWidgets.QGridLayout()
self.setLayout(grid)
label = QtWidgets.QLabel(title)
label.setAlignment(QtCore.Qt.AlignCenter)
label.setWordWrap(True)
grid.addWidget(label, 1, 1)
self.value = QtWidgets.QLabel()
self.value.setAlignment(QtCore.Qt.AlignCenter)
self.value.setWordWrap(True)
grid.addWidget(self.value, 2, 1, 6, 1)
grid.setRowStretch(1, 1)
grid.setRowStretch(2, 0)
grid.setRowStretch(3, 1)
self.set_value(0)
def set_value(self, ftw):
frequency = ftw*self.sysclk()/2**32
self.value.setText("{:.7f} MHz"
.format(frequency/1e6))
class _DeviceManager:
def __init__(self, send_to_device, init):
self.dds_sysclk = 0
self.send_to_device = send_to_device
self.ddb = dict()
self.ttl_cb = lambda: None
self.ttl_widgets = dict()
self.dds_cb = lambda: None
self.dds_widgets = dict()
for k, v in init.items():
self[k] = v
def get_dds_sysclk(self):
return self.dds_sysclk
def __setitem__(self, k, v):
if k in self.ttl_widgets:
del self[k]
if k in self.dds_widgets:
del self[k]
self.ddb[k] = v
if not isinstance(v, dict):
return
try:
if v["type"] == "local":
widget = None
if v["module"] == "artiq.coredevice.ttl":
channel = v["arguments"]["channel"]
force_out = v["class"] == "TTLOut"
widget = _TTLWidget(
channel, self.send_to_device, force_out, k)
self.ttl_widgets[k] = widget
self.ttl_cb()
if (v["module"] == "artiq.coredevice.dds"
and v["class"] == "CoreDDS"):
self.dds_sysclk = v["arguments"]["sysclk"]
if (v["module"] == "artiq.coredevice.dds"
and v["class"] in {"AD9858", "AD9914"}):
bus_channel = v["arguments"]["bus_channel"]
channel = v["arguments"]["channel"]
widget = _DDSWidget(
bus_channel, channel, self.get_dds_sysclk, k)
self.dds_widgets[channel] = widget
self.dds_cb()
if widget is not None and "comment" in v:
widget.setToolTip(v["comment"])
except KeyError:
pass
def __delitem__(self, k):
del self.ddb[k]
if k in self.ttl_widgets:
self.ttl_widgets[k].deleteLater()
del self.ttl_widgets[k]
self.ttl_cb()
if k in self.dds_widgets:
self.dds_widgets[k].deleteLater()
del self.dds_widgets[k]
self.dds_cb()
def get_core_addr(self):
try:
comm = self.ddb["comm"]
while isinstance(comm, str):
comm = self.ddb[comm]
return comm["arguments"]["host"]
except KeyError:
return None
class _MonInjDock(QtWidgets.QDockWidget):
def __init__(self, name):
QtWidgets.QDockWidget.__init__(self, name)
self.setObjectName(name)
self.setFeatures(QtWidgets.QDockWidget.DockWidgetMovable |
QtWidgets.QDockWidget.DockWidgetFloatable)
def layout_widgets(self, widgets):
scroll_area = QtWidgets.QScrollArea()
self.setWidget(scroll_area)
grid = FlowLayout()
grid_widget = QtWidgets.QWidget()
grid_widget.setLayout(grid)
for _, w in sorted(widgets, key=itemgetter(0)):
grid.addWidget(w)
scroll_area.setWidgetResizable(True)
scroll_area.setWidget(grid_widget)
class MonInj(TaskObject):
def __init__(self):
self.ttl_dock = _MonInjDock("TTL")
self.dds_dock = _MonInjDock("DDS")
self.subscriber = Subscriber("devices", self.init_devices)
self.dm = None
self.socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
self.socket.bind(("", 39284))
# Never ceasing to disappoint, asyncio has an issue about UDP
# not being supported on Windows (ProactorEventLoop) open since 2014.
self.loop = asyncio.get_event_loop()
self.thread = threading.Thread(target=self.receiver_thread,
daemon=True)
self.thread.start()
async def start(self, server, port):
await self.subscriber.connect(server, port)
try:
TaskObject.start(self)
except:
await self.subscriber.close()
raise
async def stop(self):
await TaskObject.stop(self)
await self.subscriber.close()
try:
# This is required to make recvfrom terminate in the thread.
# On Linux, this raises "OSError: Transport endpoint is not
# connected", but still has the intended effect.
self.socket.shutdown(socket.SHUT_RDWR)
except OSError:
pass
self.socket.close()
self.thread.join()
def receiver_thread(self):
while True:
try:
data, addr = self.socket.recvfrom(2048)
except OSError:
# Windows does this when the socket is terminated
break
if addr is None:
# Linux does this when the socket is terminated
break
self.loop.call_soon_threadsafe(self.datagram_received, data)
def datagram_received(self, data):
if self.dm is None:
logger.debug("received datagram, but device manager "
"is not present yet")
return
try:
hlen = 8*3+4
(ttl_levels, ttl_oes, ttl_overrides,
dds_rtio_first_channel, dds_channels_per_bus) = \
struct.unpack(">QQQHH", data[:hlen])
for w in self.dm.ttl_widgets.values():
channel = w.channel
w.set_value(ttl_levels & (1 << channel),
ttl_oes & (1 << channel),
ttl_overrides & (1 << channel))
dds_data = data[hlen:]
ndds = len(dds_data)//4
ftws = struct.unpack(">" + "I"*ndds, dds_data)
for w in self.dm.dds_widgets.values():
bus_nr = w.bus_channel - dds_rtio_first_channel
offset = dds_channels_per_bus*bus_nr + w.channel
try:
ftw = ftws[offset]
except KeyError:
pass
else:
w.set_value(ftw)
except:
logger.warning("failed to process datagram", exc_info=True)
def send_to_device(self, data):
if self.dm is None:
logger.debug("cannot sent to device yet, no device manager")
return
ca = self.dm.get_core_addr()
logger.debug("core device address: %s", ca)
if ca is None:
logger.warning("could not find core device address")
else:
self.socket.sendto(data, (ca, 3250))
async def _do(self):
while True:
await asyncio.sleep(0.2)
# MONINJ_REQ_MONITOR
self.send_to_device(b"\x01")
def init_devices(self, d):
self.dm = _DeviceManager(self.send_to_device, d)
self.dm.ttl_cb = lambda: self.ttl_dock.layout_widgets(
self.dm.ttl_widgets.items())
self.dm.dds_cb = lambda: self.dds_dock.layout_widgets(
self.dm.dds_widgets.items())
self.dm.ttl_cb()
self.dm.dds_cb()
return self.dm