result from merge with gerrit
drivers in secop_psi Change-Id: I7fd8312b11f365b423e66b2417b9e54ec6558a11
This commit is contained in:
parent
bd246c5ca7
commit
9320541754
@ -28,15 +28,16 @@ class Ls370Sim(Communicator):
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('RDGR?%d', '1.0'),
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('RDGST?%d', '0'),
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('RDGRNG?%d', '0,5,5,0,0'),
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('INSET?%d', '1,3,3,0,0'),
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('FILTER?%d', '1,1,80'),
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('INSET?%d', '1,5,5,0,0'),
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('FILTER?%d', '1,5,80'),
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]
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OTHER_COMMANDS = [
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('*IDN?', 'LSCI,MODEL370,370184,05302003'),
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('SCAN?', '3,0'),
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('SCAN?', '3,1'),
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]
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def earlyInit(self):
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super().earlyInit()
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self._data = dict(self.OTHER_COMMANDS)
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for fmt, v in self.CHANNEL_COMMANDS:
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for chan in range(1,17):
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@ -44,6 +45,7 @@ class Ls370Sim(Communicator):
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# mkthread(self.run)
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def communicate(self, command):
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self.comLog('> %s' % command)
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# simulation part, time independent
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for channel in range(1,17):
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_, _, _, _, excoff = self._data['RDGRNG?%d' % channel].split(',')
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@ -68,6 +70,6 @@ class Ls370Sim(Communicator):
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if qcmd in self._data:
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self._data[qcmd] = arg
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break
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#if command.startswith('R'):
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# print('> %s\t< %s' % (command, reply))
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return ';'.join(reply)
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reply = ';'.join(reply)
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self.comLog('< %s' % reply)
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return reply
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@ -33,17 +33,17 @@ Polling of value and status is done commonly for all modules. For each registere
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import threading
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import time
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from ast import literal_eval # convert string as comma separated numbers into tuple
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import secop.iohandler
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from secop.datatypes import BoolType, EnumType, \
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FloatRange, IntRange, StatusType, StringType
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from secop.errors import HardwareError
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from secop.lib import clamp
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from secop.lib.enum import Enum
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from secop.modules import Attached, Communicator, Done, \
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from secop.modules import Communicator, Done, \
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Drivable, Parameter, Property, Readable
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from secop.poller import Poller
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from secop.io import HasIodev
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from secop.io import HasIO
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from secop.rwhandler import CommonReadHandler, CommonWriteHandler
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try:
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import secop_psi.ppmswindows as ppmshw
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@ -52,28 +52,11 @@ except ImportError:
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import secop_psi.ppmssim as ppmshw
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class IOHandler(secop.iohandler.IOHandler):
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"""IO handler for PPMS commands
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deals with typical format:
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- query command: ``<command>?``
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- reply: ``<value1>,<value2>, ..``
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- change command: ``<command> <value1>,<value2>,...``
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"""
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CMDARGS = ['no'] # the channel number is needed in channel commands
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CMDSEPARATOR = None # no command chaining
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def __init__(self, name, querycmd, replyfmt):
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changecmd = querycmd.split('?')[0] + ' '
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super().__init__(name, querycmd, replyfmt, changecmd)
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class Main(Communicator):
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"""ppms communicator module"""
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pollinterval = Parameter('poll interval', FloatRange(), readonly=False, default=2)
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data = Parameter('internal', StringType(), poll=True, export=False, # export for test only
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data = Parameter('internal', StringType(), export=True, # export for test only
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default="", readonly=True)
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class_id = Property('Quantum Design class id', StringType(), export=False)
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@ -86,8 +69,6 @@ class Main(Communicator):
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_channel_to_index = dict(((channel, i) for i, channel in enumerate(_channel_names)))
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_status_bitpos = {'temp': 0, 'field': 4, 'chamber': 8, 'position': 12}
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pollerClass = Poller
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def earlyInit(self):
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super().earlyInit()
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self.modules = {}
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@ -100,11 +81,14 @@ class Main(Communicator):
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def communicate(self, command):
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"""GPIB command"""
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with self.lock:
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self.log.debug('> %s' % command)
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self.comLog('> %s' % command)
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reply = self._ppms_device.send(command)
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self.log.debug('< %s' % reply)
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self.comLog("< %s", reply)
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return reply
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def doPoll(self):
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self.read_data()
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def read_data(self):
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mask = 1 # always get packed_status
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for channelname, channel in self.modules.items():
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@ -130,23 +114,27 @@ class Main(Communicator):
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return data # return data as string
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class PpmsMixin:
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class PpmsBase(HasIO, Readable):
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"""common base for all ppms modules"""
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value = Parameter(needscfg=False)
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status = Parameter(needscfg=False)
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iodev = Attached()
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pollerClass = Poller
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enabled = True # default, if no parameter enable is defined
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_last_settings = None # used by several modules
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slow_pollfactor = 1
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# as this pollinterval affects only the polling of settings
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# it would be confusing to export it.
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pollinterval = Parameter('', FloatRange(), needscfg=False, export=False)
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pollinterval = Parameter(export=False)
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def initModule(self):
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super().initModule()
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self._iodev.register(self)
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self.io.register(self)
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def doPoll(self):
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# polling is done by the main module
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# and PPMS does not deliver really more fresh values when polled more often
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pass
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def update_value_status(self, value, packed_status):
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# update value and status
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@ -160,12 +148,18 @@ class PpmsMixin:
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self.value = value
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self.status = (self.Status.IDLE, '')
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def comm_write(self, command):
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"""write command and check if result is OK"""
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reply = self.communicate(command)
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if reply != 'OK':
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raise HardwareError('bad reply %r to command %r' % (reply, command))
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class Channel(PpmsMixin, HasIodev, Readable):
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class Channel(PpmsBase):
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"""channel base class"""
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value = Parameter('main value of channels', poll=False, needscfg=False)
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enabled = Parameter('is this channel used?', readonly=False, poll=False,
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value = Parameter('main value of channels')
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enabled = Parameter('is this channel used?', readonly=False,
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datatype=BoolType(), default=False)
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channel = Property('channel name',
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@ -178,22 +172,17 @@ class Channel(PpmsMixin, HasIodev, Readable):
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if not self.channel:
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self.channel = self.name
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def get_settings(self, pname):
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return ''
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class UserChannel(Channel):
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"""user channel"""
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# pollinterval = Parameter(visibility=3)
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no = Property('channel number',
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datatype=IntRange(0, 0), export=False, default=0)
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linkenable = Property('name of linked channel for enabling',
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datatype=StringType(), export=False, default='')
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def write_enabled(self, enabled):
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other = self._iodev.modules.get(self.linkenable, None)
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other = self.io.modules.get(self.linkenable, None)
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if other:
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other.enabled = enabled
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return enabled
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@ -202,201 +191,172 @@ class UserChannel(Channel):
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class DriverChannel(Channel):
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"""driver channel"""
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drvout = IOHandler('drvout', 'DRVOUT? %(no)d', '%d,%g,%g')
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current = Parameter('driver current', readonly=False, handler=drvout,
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current = Parameter('driver current', readonly=False,
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datatype=FloatRange(0., 5000., unit='uA'))
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powerlimit = Parameter('power limit', readonly=False, handler=drvout,
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powerlimit = Parameter('power limit', readonly=False,
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datatype=FloatRange(0., 1000., unit='uW'))
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# pollinterval = Parameter(visibility=3)
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def analyze_drvout(self, no, current, powerlimit):
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param_names = 'current', 'powerlimit'
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@CommonReadHandler(param_names)
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def read_params(self):
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no, self.current, self.powerlimit = literal_eval(
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self.communicate('DRVOUT? %d' % self.no))
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if self.no != no:
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raise HardwareError('DRVOUT command: channel number in reply does not match')
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return dict(current=current, powerlimit=powerlimit)
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def change_drvout(self, change):
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change.readValues()
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return change.current, change.powerlimit
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@CommonWriteHandler(param_names)
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def write_params(self, values):
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"""write parameters
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:param values: a dict like object containing the parameters to be written
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"""
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self.read_params() # make sure parameters are up to date
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self.comm_write('DRVOUT %(no)d,%(current)g,%(powerlimit)g' % values)
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self.read_params() # read back
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class BridgeChannel(Channel):
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"""bridge channel"""
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bridge = IOHandler('bridge', 'BRIDGE? %(no)d', '%d,%g,%g,%d,%d,%g')
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# pylint: disable=invalid-name
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ReadingMode = Enum('ReadingMode', standard=0, fast=1, highres=2)
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enabled = Parameter(handler=bridge)
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excitation = Parameter('excitation current', readonly=False, handler=bridge,
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excitation = Parameter('excitation current', readonly=False,
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datatype=FloatRange(0.01, 5000., unit='uA'))
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powerlimit = Parameter('power limit', readonly=False, handler=bridge,
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powerlimit = Parameter('power limit', readonly=False,
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datatype=FloatRange(0.001, 1000., unit='uW'))
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dcflag = Parameter('True when excitation is DC (else AC)', readonly=False, handler=bridge,
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dcflag = Parameter('True when excitation is DC (else AC)', readonly=False,
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datatype=BoolType())
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readingmode = Parameter('reading mode', readonly=False, handler=bridge,
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datatype=EnumType(ReadingMode))
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voltagelimit = Parameter('voltage limit', readonly=False, handler=bridge,
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readingmode = Parameter('reading mode', readonly=False,
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datatype=EnumType(standard=0, fast=1, highres=2))
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voltagelimit = Parameter('voltage limit', readonly=False,
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datatype=FloatRange(0.0001, 100., unit='mV'))
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# pollinterval = Parameter(visibility=3)
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def analyze_bridge(self, no, excitation, powerlimit, dcflag, readingmode, voltagelimit):
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param_names = 'enabled', 'enabled', 'powerlimit', 'dcflag', 'readingmode', 'voltagelimit'
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@CommonReadHandler(param_names)
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def read_params(self):
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no, excitation, powerlimit, self.dcflag, self.readingmode, voltagelimit = literal_eval(
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self.communicate('BRIDGE? %d' % self.no))
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if self.no != no:
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raise HardwareError('DRVOUT command: channel number in reply does not match')
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return dict(
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enabled=excitation != 0 and powerlimit != 0 and voltagelimit != 0,
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excitation=excitation or self.excitation,
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powerlimit=powerlimit or self.powerlimit,
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dcflag=dcflag,
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readingmode=readingmode,
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voltagelimit=voltagelimit or self.voltagelimit,
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)
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self.enabled = excitation != 0 and powerlimit != 0 and voltagelimit != 0
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if excitation:
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self.excitation = excitation
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if powerlimit:
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self.powerlimit = powerlimit
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if voltagelimit:
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self.voltagelimit = voltagelimit
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def change_bridge(self, change):
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change.readValues()
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if change.enabled:
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return self.no, change.excitation, change.powerlimit, change.dcflag, change.readingmode, change.voltagelimit
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return self.no, 0, 0, change.dcflag, change.readingmode, 0
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@CommonWriteHandler(param_names)
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def write_params(self, values):
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"""write parameters
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:param values: a dict like object containing the parameters to be written
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"""
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self.read_params() # make sure parameters are up to date
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if not values['enabled']:
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values['excitation'] = 0
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values['powerlimit'] = 0
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values['voltagelimit'] = 0
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self.comm_write('BRIDGE %(no)d,%(enabled)g,%(powerlimit)g,%(dcflag)d,'
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'%(readingmode)d,%(voltagelimit)g' % values)
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self.read_params() # read back
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class Level(PpmsMixin, HasIodev, Readable):
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class Level(PpmsBase):
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"""helium level"""
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level = IOHandler('level', 'LEVEL?', '%g,%d')
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value = Parameter(datatype=FloatRange(unit='%'), handler=level)
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status = Parameter(handler=level)
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# pollinterval = Parameter(visibility=3)
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value = Parameter(datatype=FloatRange(unit='%'))
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channel = 'level'
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def doPoll(self):
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self.read_value()
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def update_value_status(self, value, packed_status):
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pass
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# must be a no-op
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# when called from Main.read_data, value is always None
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# value and status is polled via settings
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def analyze_level(self, level, status):
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def read_value(self):
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# ignore 'old reading' state of the flag, as this happens only for a short time
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# during measuring
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return dict(value=level, status=(self.Status.IDLE, ''))
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return literal_eval(self.communicate('LEVEL?'))[0]
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class Chamber(PpmsMixin, HasIodev, Drivable):
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class Chamber(PpmsBase, Drivable):
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"""sample chamber handling
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value is an Enum, which is redundant with the status text
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"""
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chamber = IOHandler('chamber', 'CHAMBER?', '%d')
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Status = Drivable.Status
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# pylint: disable=invalid-name
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Operation = Enum(
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'Operation',
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seal_immediately=0,
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purge_and_seal=1,
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vent_and_seal=2,
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pump_continuously=3,
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vent_continuously=4,
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hi_vacuum=5,
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noop=10,
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)
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StatusCode = Enum(
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'StatusCode',
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unknown=0,
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purged_and_sealed=1,
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vented_and_sealed=2,
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sealed_unknown=3,
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purge_and_seal=4,
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vent_and_seal=5,
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pumping_down=6,
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at_hi_vacuum=7,
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pumping_continuously=8,
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venting_continuously=9,
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general_failure=15,
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)
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value = Parameter(description='chamber state', handler=chamber,
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datatype=EnumType(StatusCode))
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target = Parameter(description='chamber command', handler=chamber,
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datatype=EnumType(Operation))
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# pollinterval = Parameter(visibility=3)
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STATUS_MAP = {
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StatusCode.purged_and_sealed: (Status.IDLE, 'purged and sealed'),
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StatusCode.vented_and_sealed: (Status.IDLE, 'vented and sealed'),
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StatusCode.sealed_unknown: (Status.WARN, 'sealed unknown'),
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StatusCode.purge_and_seal: (Status.BUSY, 'purge and seal'),
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StatusCode.vent_and_seal: (Status.BUSY, 'vent and seal'),
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StatusCode.pumping_down: (Status.BUSY, 'pumping down'),
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StatusCode.at_hi_vacuum: (Status.IDLE, 'at hi vacuum'),
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StatusCode.pumping_continuously: (Status.IDLE, 'pumping continuously'),
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StatusCode.venting_continuously: (Status.IDLE, 'venting continuously'),
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StatusCode.general_failure: (Status.ERROR, 'general failure'),
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}
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code_table = [
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# valuecode, status, statusname, opcode, targetname
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(0, Status.IDLE, 'unknown', 10, 'noop'),
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(1, Status.IDLE, 'purged_and_sealed', 1, 'purge_and_seal'),
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(2, Status.IDLE, 'vented_and_sealed', 2, 'vent_and_seal'),
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(3, Status.WARN, 'sealed_unknown', 0, 'seal_immediately'),
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(4, Status.BUSY, 'purge_and_seal', None, None),
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(5, Status.BUSY, 'vent_and_seal', None, None),
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(6, Status.BUSY, 'pumping_down', None, None),
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(8, Status.IDLE, 'pumping_continuously', 3, 'pump_continuously'),
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(9, Status.IDLE, 'venting_continuously', 4, 'vent_continuously'),
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(15, Status.ERROR, 'general_failure', None, None),
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]
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value_codes = {k: v for v, _, k, _, _ in code_table}
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target_codes = {k: v for v, _, _, _, k in code_table if k}
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name2opcode = {k: v for _, _, _, v, k in code_table if k}
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opcode2name = {v: k for _, _, _, v, k in code_table if k}
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status_map = {v: (c, k.replace('_', ' ')) for v, c, k, _, _ in code_table}
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value = Parameter(description='chamber state', datatype=EnumType(**value_codes), default=0)
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target = Parameter(description='chamber command', datatype=EnumType(**target_codes), default='noop')
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channel = 'chamber'
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def update_value_status(self, value, packed_status):
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status_code = (packed_status >> 8) & 0xf
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if status_code in self.STATUS_MAP:
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if status_code in self.status_map:
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self.value = status_code
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self.status = self.STATUS_MAP[status_code]
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self.status = self.status_map[status_code]
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else:
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self.value = self.StatusCode.unknown
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self.value = self.value_map['unknown']
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self.status = (self.Status.ERROR, 'unknown status code %d' % status_code)
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def analyze_chamber(self, target):
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return dict(target=target)
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def read_target(self):
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opcode = int(self.communicate('CHAMBER?'))
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return self.opcode2name[opcode]
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def change_chamber(self, change):
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# write settings, combining <pname>=<value> and current attributes
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# and request updated settings
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if change.target == self.Operation.noop:
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return None
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return (change.target,)
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def write_target(self, value):
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if value == self.target.noop:
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||||
return self.target.noop
|
||||
opcode = self.name2opcode[self.target.enum(value).name]
|
||||
assert self.communicate('CHAMBER %d' % opcode) == 'OK'
|
||||
return self.read_target()
|
||||
|
||||
|
||||
class Temp(PpmsMixin, HasIodev, Drivable):
|
||||
class Temp(PpmsBase, Drivable):
|
||||
"""temperature"""
|
||||
|
||||
temp = IOHandler('temp', 'TEMP?', '%g,%g,%d')
|
||||
Status = Enum(
|
||||
Drivable.Status,
|
||||
RAMPING=370,
|
||||
STABILIZING=380,
|
||||
)
|
||||
# pylint: disable=invalid-name
|
||||
ApproachMode = Enum('ApproachMode', fast_settle=0, no_overshoot=1)
|
||||
|
||||
value = Parameter(datatype=FloatRange(unit='K'), poll=True)
|
||||
status = Parameter(datatype=StatusType(Status), poll=True)
|
||||
target = Parameter(datatype=FloatRange(1.7, 402.0, unit='K'), poll=False, needscfg=False)
|
||||
value = Parameter(datatype=FloatRange(unit='K'))
|
||||
status = Parameter(datatype=StatusType(Status))
|
||||
target = Parameter(datatype=FloatRange(1.7, 402.0, unit='K'), needscfg=False)
|
||||
setpoint = Parameter('intermediate set point',
|
||||
datatype=FloatRange(1.7, 402.0, unit='K'), handler=temp)
|
||||
datatype=FloatRange(1.7, 402.0, unit='K'))
|
||||
ramp = Parameter('ramping speed', readonly=False, default=0,
|
||||
datatype=FloatRange(0, 20, unit='K/min'))
|
||||
workingramp = Parameter('intermediate ramp value',
|
||||
datatype=FloatRange(0, 20, unit='K/min'), handler=temp)
|
||||
approachmode = Parameter('how to approach target!', readonly=False, handler=temp,
|
||||
datatype=EnumType(ApproachMode))
|
||||
# pollinterval = Parameter(visibility=3)
|
||||
datatype=FloatRange(0, 20, unit='K/min'), default=0)
|
||||
approachmode = Parameter('how to approach target!', readonly=False,
|
||||
datatype=EnumType(fast_settle=0, no_overshoot=1), default=0)
|
||||
timeout = Parameter('drive timeout, in addition to ramp time', readonly=False,
|
||||
datatype=FloatRange(0, unit='sec'), default=3600)
|
||||
|
||||
# pylint: disable=invalid-name
|
||||
TempStatus = Enum(
|
||||
'TempStatus',
|
||||
stable_at_target=1,
|
||||
changing=2,
|
||||
within_tolerance=5,
|
||||
outside_tolerance=6,
|
||||
filling_emptying_reservoir=7,
|
||||
standby=10,
|
||||
control_disabled=13,
|
||||
can_not_complete=14,
|
||||
general_failure=15,
|
||||
)
|
||||
general_stop = Property('respect general stop', datatype=BoolType(),
|
||||
default=True, value=False)
|
||||
STATUS_MAP = {
|
||||
1: (Status.IDLE, 'stable at target'),
|
||||
2: (Status.RAMPING, 'ramping'),
|
||||
@ -408,8 +368,6 @@ class Temp(PpmsMixin, HasIodev, Drivable):
|
||||
14: (Status.ERROR, 'can not complete'),
|
||||
15: (Status.ERROR, 'general failure'),
|
||||
}
|
||||
general_stop = Property('respect general stop', datatype=BoolType(),
|
||||
default=True, value=False)
|
||||
|
||||
channel = 'temp'
|
||||
_stopped = False
|
||||
@ -420,6 +378,42 @@ class Temp(PpmsMixin, HasIodev, Drivable):
|
||||
_wait_at10 = False
|
||||
_ramp_at_limit = False
|
||||
|
||||
param_names = 'setpoint', 'workingramp', 'approachmode'
|
||||
|
||||
@CommonReadHandler(param_names)
|
||||
def read_params(self):
|
||||
settings = literal_eval(self.communicate('TEMP?'))
|
||||
if settings == self._last_settings:
|
||||
# update parameters only on change, as 'ramp' and 'approachmode' are
|
||||
# not always sent to the hardware
|
||||
return
|
||||
self.setpoint, self.workingramp, self.approachmode = self._last_settings = settings
|
||||
if self.setpoint != 10 or not self._wait_at10:
|
||||
self.log.debug('read back target %g %r' % (self.setpoint, self._wait_at10))
|
||||
self.target = self.setpoint
|
||||
if self.workingramp != 2 or not self._ramp_at_limit:
|
||||
self.log.debug('read back ramp %g %r' % (self.workingramp, self._ramp_at_limit))
|
||||
self.ramp = self.workingramp
|
||||
|
||||
def _write_params(self, setpoint, ramp, approachmode):
|
||||
wait_at10 = False
|
||||
ramp_at_limit = False
|
||||
if self.value > 11:
|
||||
if setpoint <= 10:
|
||||
wait_at10 = True
|
||||
setpoint = 10
|
||||
elif self.value > setpoint:
|
||||
if ramp >= 2:
|
||||
ramp = 2
|
||||
ramp_at_limit = True
|
||||
self._wait_at10 = wait_at10
|
||||
self._ramp_at_limit = ramp_at_limit
|
||||
self.calc_expected(setpoint, ramp)
|
||||
self.log.debug(
|
||||
'change_temp v %r s %r r %r w %r l %r' % (self.value, setpoint, ramp, wait_at10, ramp_at_limit))
|
||||
self.comm_write('TEMP %g,%g,%d' % (setpoint, ramp, approachmode))
|
||||
self.read_params()
|
||||
|
||||
def update_value_status(self, value, packed_status):
|
||||
if value is None:
|
||||
self.status = (self.Status.ERROR, 'invalid value')
|
||||
@ -437,7 +431,7 @@ class Temp(PpmsMixin, HasIodev, Drivable):
|
||||
if now > self._cool_deadline:
|
||||
self._wait_at10 = False
|
||||
self._last_change = now
|
||||
self.temp.write(self, 'setpoint', self.target)
|
||||
self._write_params(self.target, self.ramp, self.approachmode)
|
||||
status = (self.Status.STABILIZING, 'waiting at 10 K')
|
||||
if self._last_change: # there was a change, which is not yet confirmed by hw
|
||||
if now > self._last_change + 5:
|
||||
@ -466,41 +460,6 @@ class Temp(PpmsMixin, HasIodev, Drivable):
|
||||
self._expected_target_time = 0
|
||||
self.status = status
|
||||
|
||||
def analyze_temp(self, setpoint, workingramp, approachmode):
|
||||
if (setpoint, workingramp, approachmode) == self._last_settings:
|
||||
# update parameters only on change, as 'ramp' and 'approachmode' are
|
||||
# not always sent to the hardware
|
||||
return {}
|
||||
self._last_settings = setpoint, workingramp, approachmode
|
||||
if setpoint != 10 or not self._wait_at10:
|
||||
self.log.debug('read back target %g %r' % (setpoint, self._wait_at10))
|
||||
self.target = setpoint
|
||||
if workingramp != 2 or not self._ramp_at_limit:
|
||||
self.log.debug('read back ramp %g %r' % (workingramp, self._ramp_at_limit))
|
||||
self.ramp = workingramp
|
||||
result = dict(setpoint=setpoint, workingramp=workingramp)
|
||||
self.log.debug('analyze_temp %r %r' % (result, (self.target, self.ramp)))
|
||||
return result
|
||||
|
||||
def change_temp(self, change):
|
||||
ramp = change.ramp
|
||||
setpoint = change.setpoint
|
||||
wait_at10 = False
|
||||
ramp_at_limit = False
|
||||
if self.value > 11:
|
||||
if setpoint <= 10:
|
||||
wait_at10 = True
|
||||
setpoint = 10
|
||||
elif self.value > setpoint:
|
||||
if ramp >= 2:
|
||||
ramp = 2
|
||||
ramp_at_limit = True
|
||||
self._wait_at10 = wait_at10
|
||||
self._ramp_at_limit = ramp_at_limit
|
||||
self.calc_expected(setpoint, ramp)
|
||||
self.log.debug('change_temp v %r s %r r %r w %r l %r' % (self.value, setpoint, ramp, wait_at10, ramp_at_limit))
|
||||
return setpoint, ramp, change.approachmode
|
||||
|
||||
def write_target(self, target):
|
||||
self._stopped = False
|
||||
if abs(self.target - self.value) <= 2e-5 * target and target == self.target:
|
||||
@ -508,23 +467,23 @@ class Temp(PpmsMixin, HasIodev, Drivable):
|
||||
self._status_before_change = self.status
|
||||
self.status = (self.Status.BUSY, 'changed target')
|
||||
self._last_change = time.time()
|
||||
self.temp.write(self, 'setpoint', target)
|
||||
self._write_params(target, self.ramp, self.approachmode)
|
||||
self.log.debug('write_target %s' % repr((self.setpoint, target, self._wait_at10)))
|
||||
return target
|
||||
|
||||
def write_approachmode(self, value):
|
||||
if self.isDriving():
|
||||
self.temp.write(self, 'approachmode', value)
|
||||
self._write_params(self.setpoint, self.ramp, value)
|
||||
return Done
|
||||
self.approachmode = value
|
||||
return None # do not execute TEMP command, as this would trigger an unnecessary T change
|
||||
return Done # do not execute TEMP command, as this would trigger an unnecessary T change
|
||||
|
||||
def write_ramp(self, value):
|
||||
if self.isDriving():
|
||||
self.temp.write(self, 'ramp', value)
|
||||
self._write_params(self.setpoint, value, self.approachmode)
|
||||
return Done
|
||||
# self.ramp = value
|
||||
return None # do not execute TEMP command, as this would trigger an unnecessary T change
|
||||
self.ramp = value
|
||||
return Done # do not execute TEMP command, as this would trigger an unnecessary T change
|
||||
|
||||
def calc_expected(self, target, ramp):
|
||||
self._expected_target_time = time.time() + abs(target - self.value) * 60.0 / max(0.1, ramp)
|
||||
@ -542,10 +501,9 @@ class Temp(PpmsMixin, HasIodev, Drivable):
|
||||
self._stopped = True
|
||||
|
||||
|
||||
class Field(PpmsMixin, HasIodev, Drivable):
|
||||
class Field(PpmsBase, Drivable):
|
||||
"""magnetic field"""
|
||||
|
||||
field = IOHandler('field', 'FIELD?', '%g,%g,%d,%d')
|
||||
Status = Enum(
|
||||
Drivable.Status,
|
||||
PREPARED=150,
|
||||
@ -554,20 +512,15 @@ class Field(PpmsMixin, HasIodev, Drivable):
|
||||
STABILIZING=380,
|
||||
FINALIZING=390,
|
||||
)
|
||||
# pylint: disable=invalid-name
|
||||
PersistentMode = Enum('PersistentMode', persistent=0, driven=1)
|
||||
ApproachMode = Enum('ApproachMode', linear=0, no_overshoot=1, oscillate=2)
|
||||
|
||||
value = Parameter(datatype=FloatRange(unit='T'), poll=True)
|
||||
status = Parameter(datatype=StatusType(Status), poll=True)
|
||||
target = Parameter(datatype=FloatRange(-15, 15, unit='T'), handler=field)
|
||||
ramp = Parameter('ramping speed', readonly=False, handler=field,
|
||||
datatype=FloatRange(0.064, 1.19, unit='T/min'))
|
||||
approachmode = Parameter('how to approach target', readonly=False, handler=field,
|
||||
datatype=EnumType(ApproachMode))
|
||||
persistentmode = Parameter('what to do after changing field', readonly=False, handler=field,
|
||||
datatype=EnumType(PersistentMode))
|
||||
# pollinterval = Parameter(visibility=3)
|
||||
value = Parameter(datatype=FloatRange(unit='T'))
|
||||
status = Parameter(datatype=StatusType(Status))
|
||||
target = Parameter(datatype=FloatRange(-15, 15, unit='T')) # poll only one parameter
|
||||
ramp = Parameter('ramping speed', readonly=False,
|
||||
datatype=FloatRange(0.064, 1.19, unit='T/min'), default=0.19)
|
||||
approachmode = Parameter('how to approach target', readonly=False,
|
||||
datatype=EnumType(linear=0, no_overshoot=1, oscillate=2), default=0)
|
||||
persistentmode = Parameter('what to do after changing field', readonly=False,
|
||||
datatype=EnumType(persistent=0, driven=1), default=0)
|
||||
|
||||
STATUS_MAP = {
|
||||
1: (Status.IDLE, 'persistent mode'),
|
||||
@ -587,6 +540,25 @@ class Field(PpmsMixin, HasIodev, Drivable):
|
||||
_last_target = None # last reached target
|
||||
_last_change = 0 # means no target change is pending
|
||||
|
||||
param_names = 'target', 'ramp', 'approachmode', 'persistentmode'
|
||||
|
||||
@CommonReadHandler(param_names)
|
||||
def read_params(self):
|
||||
settings = literal_eval(self.communicate('FIELD?'))
|
||||
# print('last_settings tt %s' % repr(self._last_settings))
|
||||
if settings == self._last_settings:
|
||||
# we update parameters only on change, as 'ramp' and 'approachmode' are
|
||||
# not always sent to the hardware
|
||||
return
|
||||
target, ramp, self.approachmode, self.persistentmode = self._last_settings = settings
|
||||
self.target = round(target * 1e-4, 7)
|
||||
self.ramp = ramp * 6e-3
|
||||
|
||||
def _write_params(self, target, ramp, approachmode, persistentmode):
|
||||
self.comm_write('FIELD %g,%g,%d,%d' % (
|
||||
target * 1e+4, ramp / 6e-3, approachmode, persistentmode))
|
||||
self.read_params()
|
||||
|
||||
def update_value_status(self, value, packed_status):
|
||||
if value is None:
|
||||
self.status = (self.Status.ERROR, 'invalid value')
|
||||
@ -621,19 +593,6 @@ class Field(PpmsMixin, HasIodev, Drivable):
|
||||
status = (status[0], 'stopping (%s)' % status[1])
|
||||
self.status = status
|
||||
|
||||
def analyze_field(self, target, ramp, approachmode, persistentmode):
|
||||
# print('last_settings tt %s' % repr(self._last_settings))
|
||||
if (target, ramp, approachmode, persistentmode) == self._last_settings:
|
||||
# we update parameters only on change, as 'ramp' and 'approachmode' are
|
||||
# not always sent to the hardware
|
||||
return {}
|
||||
self._last_settings = target, ramp, approachmode, persistentmode
|
||||
return dict(target=round(target * 1e-4, 7), ramp=ramp * 6e-3, approachmode=approachmode,
|
||||
persistentmode=persistentmode)
|
||||
|
||||
def change_field(self, change):
|
||||
return change.target * 1e+4, change.ramp / 6e-3, change.approachmode, change.persistentmode
|
||||
|
||||
def write_target(self, target):
|
||||
if abs(self.target - self.value) <= 2e-5 and target == self.target:
|
||||
self.target = target
|
||||
@ -642,7 +601,7 @@ class Field(PpmsMixin, HasIodev, Drivable):
|
||||
self._stopped = False
|
||||
self._last_change = time.time()
|
||||
self.status = (self.Status.BUSY, 'changed target')
|
||||
self.field.write(self, 'target', target)
|
||||
self._write_params(target, self.ramp, self.approachmode, self.persistentmode)
|
||||
return Done
|
||||
|
||||
def write_persistentmode(self, mode):
|
||||
@ -653,19 +612,19 @@ class Field(PpmsMixin, HasIodev, Drivable):
|
||||
self._status_before_change = self.status
|
||||
self._stopped = False
|
||||
self.status = (self.Status.BUSY, 'changed persistent mode')
|
||||
self.field.write(self, 'persistentmode', mode)
|
||||
self._write_params(self.target, self.ramp, self.approachmode, mode)
|
||||
return Done
|
||||
|
||||
def write_ramp(self, value):
|
||||
self.ramp = value
|
||||
if self.isDriving():
|
||||
self.field.write(self, 'ramp', value)
|
||||
self._write_params(self.target, value, self.approachmode, self.persistentmode)
|
||||
return Done
|
||||
return None # do not execute FIELD command, as this would trigger a ramp up of leads current
|
||||
|
||||
def write_approachmode(self, value):
|
||||
if self.isDriving():
|
||||
self.field.write(self, 'approachmode', value)
|
||||
self._write_params(self.target, self.ramp, value, self.persistentmode)
|
||||
return Done
|
||||
return None # do not execute FIELD command, as this would trigger a ramp up of leads current
|
||||
|
||||
@ -680,20 +639,17 @@ class Field(PpmsMixin, HasIodev, Drivable):
|
||||
self._stopped = True
|
||||
|
||||
|
||||
class Position(PpmsMixin, HasIodev, Drivable):
|
||||
class Position(PpmsBase, Drivable):
|
||||
"""rotator position"""
|
||||
|
||||
move = IOHandler('move', 'MOVE?', '%g,%g,%g')
|
||||
Status = Drivable.Status
|
||||
|
||||
value = Parameter(datatype=FloatRange(unit='deg'), poll=True)
|
||||
target = Parameter(datatype=FloatRange(-720., 720., unit='deg'), handler=move)
|
||||
enabled = Parameter('is this channel used?', readonly=False, poll=False,
|
||||
value = Parameter(datatype=FloatRange(unit='deg'))
|
||||
target = Parameter(datatype=FloatRange(-720., 720., unit='deg'))
|
||||
enabled = Parameter('is this channel used?', readonly=False,
|
||||
datatype=BoolType(), default=True)
|
||||
speed = Parameter('motor speed', readonly=False, handler=move,
|
||||
speed = Parameter('motor speed', readonly=False, default=12,
|
||||
datatype=FloatRange(0.8, 12, unit='deg/sec'))
|
||||
# pollinterval = Parameter(visibility=3)
|
||||
|
||||
STATUS_MAP = {
|
||||
1: (Status.IDLE, 'at target'),
|
||||
5: (Status.BUSY, 'moving'),
|
||||
@ -708,6 +664,23 @@ class Position(PpmsMixin, HasIodev, Drivable):
|
||||
_last_change = 0
|
||||
_within_target = 0 # time since we are within target
|
||||
|
||||
param_names = 'target', 'speed'
|
||||
|
||||
@CommonReadHandler(param_names)
|
||||
def read_params(self):
|
||||
settings = literal_eval(self.communicate('MOVE?'))
|
||||
if settings == self._last_settings:
|
||||
# we update parameters only on change, as 'speed' is
|
||||
# not always sent to the hardware
|
||||
return
|
||||
self.target, _, speed = self._last_settings = settings
|
||||
self.speed = (15 - speed) * 0.8
|
||||
|
||||
def _write_params(self, target, speed):
|
||||
speed = int(round(min(14, max(0, 15 - speed / 0.8)), 0))
|
||||
self.comm_write('MOVE %g,%d,%d' % (target, 0, speed))
|
||||
return self.read_params()
|
||||
|
||||
def update_value_status(self, value, packed_status):
|
||||
if not self.enabled:
|
||||
self.status = (self.Status.DISABLED, 'disabled')
|
||||
@ -745,29 +718,17 @@ class Position(PpmsMixin, HasIodev, Drivable):
|
||||
status = (status[0], 'stopping (%s)' % status[1])
|
||||
self.status = status
|
||||
|
||||
def analyze_move(self, target, mode, speed):
|
||||
if (target, speed) == self._last_settings:
|
||||
# we update parameters only on change, as 'speed' is
|
||||
# not always sent to the hardware
|
||||
return {}
|
||||
self._last_settings = target, speed
|
||||
return dict(target=target, speed=(15 - speed) * 0.8)
|
||||
|
||||
def change_move(self, change):
|
||||
speed = int(round(min(14, max(0, 15 - change.speed / 0.8)), 0))
|
||||
return change.target, 0, speed
|
||||
|
||||
def write_target(self, target):
|
||||
self._stopped = False
|
||||
self._last_change = 0
|
||||
self._status_before_change = self.status
|
||||
self.status = (self.Status.BUSY, 'changed target')
|
||||
self.move.write(self, 'target', target)
|
||||
self._write_params(target, self.speed)
|
||||
return Done
|
||||
|
||||
def write_speed(self, value):
|
||||
if self.isDriving():
|
||||
self.move.write(self, 'speed', value)
|
||||
self._write_params(self.target, value)
|
||||
return Done
|
||||
self.speed = value
|
||||
return None # do not execute MOVE command, as this would trigger an unnecessary move
|
||||
|
||||
@ -22,12 +22,12 @@
|
||||
|
||||
import math
|
||||
import os
|
||||
from os.path import basename, dirname, exists, join
|
||||
from os.path import basename, exists, join
|
||||
|
||||
import numpy as np
|
||||
from scipy.interpolate import splev, splrep # pylint: disable=import-error
|
||||
|
||||
from secop.core import Attached, BoolType, Parameter, Readable, StringType, FloatRange
|
||||
from secop.core import Attached, BoolType, Parameter, Readable, StringType
|
||||
|
||||
|
||||
def linear(x):
|
||||
@ -74,18 +74,13 @@ class Parser340(StdParser):
|
||||
def parse(self, line):
|
||||
"""scan header for data format"""
|
||||
if self.header:
|
||||
key, _, value = line.partition(':')
|
||||
if value: # this is a header line, as it contains ':'
|
||||
value = value.split()[0]
|
||||
key = ''.join(key.split()).lower()
|
||||
if key == 'dataformat':
|
||||
if value == '4':
|
||||
self.logx, self.logy = True, False # logOhm
|
||||
elif value == '5':
|
||||
self.logx, self.logy = True, True # logOhm, logK
|
||||
elif value not in ('1', '2', '3'):
|
||||
raise ValueError('invalid Data Format')
|
||||
elif 'No.' in line:
|
||||
if line.startswith("Data Format"):
|
||||
dataformat = line.split(":")[1].strip()[0]
|
||||
if dataformat == '4':
|
||||
self.logx, self.logy = True, False # logOhm
|
||||
elif dataformat == '5':
|
||||
self.logx, self.logy = True, True # logOhm, logK
|
||||
elif line.startswith("No."):
|
||||
self.header = False
|
||||
return
|
||||
super().parse(line)
|
||||
@ -109,9 +104,7 @@ class CalCurve:
|
||||
calibname = sensopt.pop(0)
|
||||
_, dot, ext = basename(calibname).rpartition('.')
|
||||
kind = None
|
||||
pathlist = os.environ.get('FRAPPY_CALIB_PATH', '').split(',')
|
||||
pathlist.append(join(dirname(__file__), 'calcurves'))
|
||||
for path in pathlist:
|
||||
for path in os.environ.get('FRAPPY_CALIB_PATH', '').split(','):
|
||||
# first try without adding kind
|
||||
filename = join(path.strip(), calibname)
|
||||
if exists(filename):
|
||||
@ -141,26 +134,13 @@ class CalCurve:
|
||||
cls, args = KINDS.get(kind, (StdParser, {}))
|
||||
args.update(optargs)
|
||||
|
||||
try:
|
||||
parser = cls(**args)
|
||||
with open(filename) as f:
|
||||
for line in f:
|
||||
parser.parse(line)
|
||||
except Exception as e:
|
||||
raise ValueError('calib curve %s: %s' % (calibspec, e))
|
||||
parser = cls(**args)
|
||||
with open(filename) as f:
|
||||
for line in f:
|
||||
parser.parse(line)
|
||||
self.convert_x = nplog if parser.logx else linear
|
||||
self.convert_y = npexp if parser.logy else linear
|
||||
x = np.asarray(parser.xdata)
|
||||
y = np.asarray(parser.ydata)
|
||||
if np.all(x[:-1] > x[1:]): # all decreasing
|
||||
x = np.flip(x)
|
||||
y = np.flip(y)
|
||||
elif np.any(x[:-1] >= x[1:]): # some not increasing
|
||||
raise ValueError('calib curve %s is not monotonic' % calibspec)
|
||||
try:
|
||||
self.spline = splrep(x, y, s=0, k=min(3, len(x) - 1))
|
||||
except (ValueError, TypeError):
|
||||
raise ValueError('invalid calib curve %s' % calibspec)
|
||||
self.spline = splrep(np.asarray(parser.xdata), np.asarray(parser.ydata), s=0)
|
||||
|
||||
def __call__(self, value):
|
||||
"""convert value
|
||||
@ -176,23 +156,17 @@ class Sensor(Readable):
|
||||
|
||||
calib = Parameter('calibration name', datatype=StringType(), readonly=False)
|
||||
abs = Parameter('True: take abs(raw) before calib', datatype=BoolType(), readonly=False, default=True)
|
||||
value = Parameter(datatype=FloatRange(unit='K'))
|
||||
value = Parameter(unit='K')
|
||||
pollinterval = Parameter(export=False)
|
||||
status = Parameter(default=(Readable.Status.ERROR, 'unintialized'))
|
||||
|
||||
pollerClass = None
|
||||
description = 'a calibrated sensor value'
|
||||
_value_error = None
|
||||
|
||||
def checkProperties(self):
|
||||
if 'description' not in self.propertyValues:
|
||||
self.description = '_' # avoid complaining about missing description
|
||||
super().checkProperties()
|
||||
enablePoll = False
|
||||
|
||||
def initModule(self):
|
||||
self._rawsensor.registerCallbacks(self, ['status']) # auto update status
|
||||
self._calib = CalCurve(self.calib)
|
||||
if self.description == '_':
|
||||
self.description = '%r calibrated with curve %r' % (self.rawsensor, self.calib)
|
||||
|
||||
def write_calib(self, value):
|
||||
self._calib = CalCurve(value)
|
||||
@ -200,7 +174,7 @@ class Sensor(Readable):
|
||||
|
||||
def update_value(self, value):
|
||||
if self.abs:
|
||||
value = abs(float(value))
|
||||
value = abs(value)
|
||||
self.value = self._calib(value)
|
||||
self._value_error = None
|
||||
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user