def cleanup(self):
"""orderly cleanup of all channel access server process variables."""
from CAServer import casdel
lst = self.get_pv_list()
for item in lst:
info('delete PV: %s' % item)
casdel(item)
def running(self):
info("Starting IOC...")
from CAServer import casget, casput, casdel, casmonitor
from time import time
from sleep import sleep
for name in self.PV_names:
PV_name = self.PV_name(name)
casmonitor(PV_name, callback=self.monitor)
while not self.running_cancelled:
t = time()
for name in self.PV_names:
if time() - self.last_updated(name) > self.update_period(name):
PV_name = self.PV_name(name)
value = getattr(self.object, name)
##info("%s=%r" % (PV_name,value))
casput(PV_name, self.transform(name, value), update=False)
self.set_update_time(name)
if not self.running_cancelled:
sleep(t + self.min_update_period - time())
for name in self.names:
PV_name = self.PV_name(name)
casdel(PV_name)
def running(self):
info("Starting IOC: Prefix: %s ..." % self.prefix)
from CAServer import casget, casput, casdel
from time import time
from sleep import sleep
self.monitors_setup()
while not self.running_cancelled:
t = time()
for name in self.property_names:
if time() - self.last_updated(name) > self.update_period(name):
PV_name = self.prefix + name.upper()
value = getattr(self, name)
##info("Update: %s=%r" % (PV_name,value))
casput(PV_name, value, update=False)
self.set_update_time(name)
if not self.running_cancelled:
sleep(t + self.min_update_period - time())
casdel(self.prefix)
def run(self):
"""Run EPICS IOC"""
from CAServer import casput, casmonitor, casdel
from numpy import isfinite, isnan
from time import time
self.running = True
casput(self.prefix + ".SCAN", self.SCAN)
casput(self.prefix + ".DESC", "Temp")
casput(self.prefix + ".EGU", "C")
# Monitor client-writable PVs.
casmonitor(self.prefix + ".SCAN", callback=self.monitor)
casmonitor(self.prefix + ".MFILTER", callback=self.monitor)
casmonitor(self.prefix + ".IFILTER", callback=self.monitor)
casmonitor(self.prefix + ".TCTYPE", callback=self.monitor)
while self.running:
if self.SCAN > 0 and isfinite(self.SCAN):
if time() - self.last_valid_reply > 10:
if not isnan(thermocouple_driver.VAL):
info("Reading configuration")
casput(self.prefix + ".COMM", thermocouple_driver.COMM)
casput(self.prefix + ".MFILTER",
thermocouple_driver.MFILTER)
casput(self.prefix + ".IFILTER",
thermocouple_driver.IFILTER)
casput(self.prefix + ".TCTYPE",
thermocouple_driver.TCTYPE)
t = time()
VAL = thermocouple_driver.VAL
if not isnan(VAL): self.last_valid_reply = time()
casput(self.prefix + ".VAL", VAL)
sleep(t + 1.00 * self.SCAN - time())
casput(self.prefix + ".SCANT",
time() - t) # post actual scan time for diagnostics
else:
casput(self.prefix + ".SCANT", nan)
sleep(0.1)
casdel(self.prefix)
def run(self):
"""Run EPICS IOC"""
from CAServer import casput, casmonitor, casdel
from numpy import isfinite, nan
from time import time
from sleep import sleep
self.running = True
casput(self.prefix + ".SCAN", self.SCAN)
casput(self.prefix + ".DESC", "State")
casput(self.prefix + ".EGU", "")
# Monitor client-writable PVs.
casmonitor(self.prefix + ".SCAN", callback=self.monitor)
casmonitor(self.prefix + ".VAL", callback=self.monitor)
was_online = False
while self.running:
if self.SCAN > 0 and isfinite(self.SCAN):
SCAN = self.SCAN
online = Ramsey_RF_driver.online
if online:
if online and not was_online:
info("Reading configuration...")
casput(self.prefix + ".COMM", Ramsey_RF_driver.COMM)
casput(self.prefix + ".SCANT", nan)
t = time()
casput(self.prefix + ".VAL", float(Ramsey_RF_driver.VAL))
sleep(t + 1.0 * SCAN - time())
casput(self.prefix + ".SCANT",
time() - t) # post actual scan time for diagnostics
else:
casput(self.prefix + ".VAL", nan)
sleep(SCAN)
was_online = online
else:
casput(self.prefix + ".SCANT", nan)
sleep(0.1)
casdel(self.prefix)
def run(self):
"""Run EPICS IOC"""
from CAServer import casput, casmonitor, casdel
from numpy import isfinite
from time import time
self.running = True
# Initialization
casput(self.prefix + ".SCAN", self.scan_time)
casput(self.prefix + ".SPMG", 3) # 0:Stop,1:Pause,2:Move,3:Go
for i in range(0, self.N):
casput(self.prefix + "%d.AOUT" % (i + 1),
"") # ASCII output string to device
casput(self.prefix + "%d.AINP" % (i + 1),
"") # ASCII input string from device
# Static PVs
for i in range(0, self.N):
casput(self.prefix + "%d:VOLUME.DESC" % (i + 1),
"Pump%d" % (i + 1))
casput(self.prefix + "%d:VOLUME.EGU" % (i + 1), "uL")
casput(self.prefix + "%d:PORT.DESC" % (i + 1), "Valve%d" % (i + 1))
casput(self.prefix + "%d:PORT.EGU" % (i + 1), "OIB")
casput(self.prefix + "%d:VOLUME.CNEN" % (i + 1), 1)
casput(self.prefix + "%d:PORT.CNEN" % (i + 1), 1)
# Monitor client-writable PVs
casmonitor(self.prefix + ".SCAN", callback=self.monitor)
casmonitor(self.prefix + ".SPMG", callback=self.monitor)
for i in range(0, self.N):
casmonitor(self.prefix + "%d.AOUT" % (i + 1),
callback=self.monitor)
casmonitor(self.prefix + "%d.AINP" % (i + 1),
callback=self.monitor)
casmonitor(self.prefix + "%d:VOLUME.VAL" % (i + 1),
callback=self.monitor)
casmonitor(self.prefix + "%d:VOLUME.VELO" % (i + 1),
callback=self.monitor)
casmonitor(self.prefix + "%d:PORT.VAL" % (i + 1),
callback=self.monitor)
casmonitor(self.prefix + "%d:VOLUME.STOP" % (i + 1),
callback=self.monitor)
casmonitor(self.prefix + "%d:PORT.STOP" % (i + 1),
callback=self.monitor)
while self.running:
if self.scan_time > 0 and isfinite(self.scan_time):
for i in range(0, self.N):
if comm_ports.max_time_between_replies[i] > 10:
comm_ports.max_time_between_replies[i] = 0
debug("Reading pump %d configuration" % (i + 1))
casput(self.prefix + "%d:VOLUME.VAL" % (i + 1),
volumes.values([i])[0])
casput(self.prefix + "%d:VOLUME.LLM" % (i + 1),
volumes.low_limits([i])[0])
casput(self.prefix + "%d:VOLUME.HLM" % (i + 1),
volumes.high_limits([i])[0])
casput(self.prefix + "%d:PORT.VAL" % (i + 1),
ports.values([i])[0])
t = time()
values = volumes.values(range(0, self.N))
for i in range(0, self.N):
casput(self.prefix + "%d:VOLUME.RBV" % (i + 1), values[i])
self.process_command_queue()
values = ports.values(range(0, self.N))
for i in range(0, self.N):
casput(self.prefix + "%d:PORT.RBV" % (i + 1), values[i])
self.process_command_queue()
moving = volumes.moving(range(0, self.N))
for i in range(0, self.N):
casput(self.prefix + "%d:VOLUME.DMOV" % (i + 1),
not moving[i])
casput(self.prefix + "%d:PORT.DMOV" % (i + 1),
not moving[i])
self.process_command_queue()
speeds = volumes.speeds(range(0, self.N))
for i in range(0, self.N):
casput(self.prefix + "%d:VOLUME.VELO" % (i + 1), speeds[i])
self.process_command_queue()
sleep(t + 1 * self.scan_time - time())
casput(self.prefix + ".SCANT",
time() - t) # post actual scan time for diagnostics
else:
casput(self.prefix + ".SCANT", nan)
sleep(0.1)
casdel(self.prefix)
def CAserver_stop(self):
from CAServer import casget, casput, casdel
casdel(self.prefix + '.RUNNING')
casdel(self.prefix + '.UPDATE_T')
casdel(self.prefix + '.SOCKET')
def shutdown(self):
from CAServer import casdel
print('SHUTDOWN command received')
self.running = False
casdel(self.prefix)
del self
def run(self):
"""Start EPICS IOC for temperature controller (does not return)"""
self.running = True
casput(self.prefix + ".SCAN", self.scan_time)
casput(self.prefix + ".DESC", "Temp")
casput(self.prefix + ".EGU", "C")
casput(self.prefix + ".BAUD",
lightwave_temperature_controller.baudrate.value)
# Complex Actions
casput(self.prefix + ".ACTION", '')
# Monitor client-writable PVs.
casmonitor(self.prefix + ".SCAN", callback=self.monitor)
casmonitor(self.prefix + ".BAUD", callback=self.monitor)
casmonitor(self.prefix + ".VAL", callback=self.monitor)
casmonitor(self.prefix + ".CNEN", callback=self.monitor)
casmonitor(self.prefix + ".PIDCOF", callback=self.monitor)
casmonitor(self.prefix + ".PCOF", callback=self.monitor)
casmonitor(self.prefix + ".ICOF", callback=self.monitor)
casmonitor(self.prefix + ".DCOF", callback=self.monitor)
casmonitor(self.prefix + ".RDBD", callback=self.monitor)
casmonitor(self.prefix + ".NSAM", callback=self.monitor)
casmonitor(self.prefix + ".IHLM", callback=self.monitor)
casmonitor(self.prefix + ".ILLM", callback=self.monitor)
casmonitor(self.prefix + ".TENA", callback=self.monitor)
casmonitor(self.prefix + ".P1SP", callback=self.monitor)
casmonitor(self.prefix + ".P1EP", callback=self.monitor)
casmonitor(self.prefix + ".P1SI", callback=self.monitor)
while self.running:
if self.scan_time > 0 and isfinite(self.scan_time):
if lightwave_temperature_controller.max_time_between_replies > 10:
lightwave_temperature_controller.max_time_between_replies = 0
info("Reading configuration")
casput(self.prefix + ".COMM",
lightwave_temperature_controller.port_name,
update=False)
#casput(self.prefix+".VAL",lightwave_temperature_controller.setT.value)
casput(self.prefix + ".CNEN",
lightwave_temperature_controller.enabled.value,
update=False)
casput(self.prefix + ".PIDCOF",
lightwave_temperature_controller.feedback_loop.PID,
update=False)
casput(
self.prefix + ".PCOF",
lightwave_temperature_controller.feedback_loop.P.value,
update=False)
casput(
self.prefix + ".ICOF",
lightwave_temperature_controller.feedback_loop.I.value,
update=False)
casput(
self.prefix + ".DCOF",
lightwave_temperature_controller.feedback_loop.D.value,
update=False)
casput(self.prefix + ".RDBD",
lightwave_temperature_controller.
stabilization_threshold,
update=False)
casput(self.prefix + ".NSAM",
lightwave_temperature_controller.
stabilization_nsamples,
update=False)
casput(self.prefix + ".IHLM",
lightwave_temperature_controller.current_high_limit,
update=False)
casput(self.prefix + ".ILLM",
lightwave_temperature_controller.current_low_limit,
update=False)
casput(self.prefix + ".TENA",
lightwave_temperature_controller.trigger_enabled,
update=False)
casput(self.prefix + ".ID",
lightwave_temperature_controller.id,
update=False)
casput(self.prefix + ".P1SP",
lightwave_temperature_controller.trigger_start,
update=False)
casput(self.prefix + ".P1EP",
lightwave_temperature_controller.trigger_stop,
update=False)
casput(self.prefix + ".P1SI",
lightwave_temperature_controller.trigger_stepsize,
update=False)
casput(self.prefix + ".processID",
value=os.getpid(),
update=False)
casput(self.prefix + ".computer_name",
value=computer_name,
update=False)
t = time()
casput(
self.prefix + ".RBV",
lightwave_temperature_controller.actual_temperature.value,
update=True)
casput(self.prefix + ".DMOV",
lightwave_temperature_controller.stable,
update=False)
sleep(t + 0.25 * self.scan_time - time())
casput(self.prefix + ".I",
lightwave_temperature_controller.current.value,
update=True)
sleep(t + 0.50 * self.scan_time - time())
casput(self.prefix + ".P",
lightwave_temperature_controller.power.value,
update=True)
sleep(t + 0.75 * self.scan_time - time())
##if casget(self.prefix+".TENA"): # Set point may change on trigger.
casput(self.prefix + ".VAL",
lightwave_temperature_controller.setT.value,
update=False)
sleep(t + 1.00 * self.scan_time - time())
casput(self.prefix + ".SCANT", time() - t,
update=False) # post actual scan time for diagnostics
else:
casput(self.prefix + ".SCANT", nan, update=False)
sleep(0.1)
casdel(self.prefix)
def shutdown(self):
from CAServer import casdel
casdel(self.prefix)
