130 lines
4.5 KiB
Python
130 lines
4.5 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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# *****************************************************************************
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# This program is free software; you can redistribute it and/or modify it under
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# the terms of the GNU General Public License as published by the Free Software
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# Foundation; either version 2 of the License, or (at your option) any later
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# version.
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#
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# This program is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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# details.
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#
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# You should have received a copy of the GNU General Public License along with
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# this program; if not, write to the Free Software Foundation, Inc.,
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# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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# Module authors:
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# Daniel Margineda <daniel.margineda@psi.ch>
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# *****************************************************************************
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"""WAVE FUNCTION LECROY XX: SIGNAL GENERATOR"""
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from secop.core import Readable, Parameter, Override, Command, FloatRange, TupleOf, \
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HasIodev, StringIO, Done, Attached, IntRange, BoolType, EnumType, StringType, Module, \
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Property
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class Channel(Module):
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properties = {
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'channel':Property('choose channel to manipulate',IntRange(1,2)),
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}
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parameters = {
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'freq':
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Parameter('frequency', FloatRange(1e-6,20e6,unit='Hz'),
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poll=True, initwrite=True, default=1000),
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'amp':
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Parameter('exc_volt_int', FloatRange(0.00,5,unit='Vrms'),
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poll=True, readonly=False, initwrite=True, default=0.1),
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'offset':
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Parameter('offset_volt_int', FloatRange(0.00,10,unit='V'),
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poll = True, readonly = False, initwrite = True, default = 0.0),
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'wave':
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Parameter ('type of wavefunction',
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EnumType('WaveFunction', SINE=1, SQUARE=2, RAMP=3, PULSE=4, NOISE=5, ARB=6, DC=7),
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poll=True, readonly=False, default='SINE'),
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'phase':
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Parameter('signal phase', FloatRange(0,360,unit='deg'),
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poll=True, readonly=False, initwrite=True, default=0),
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'enabled':
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Parameter('enable output channel', datatype=EnumType('OnOff', OFF=0, ON=1),
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readonly=False, default='OFF'),
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'symm':
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Parameter('wavefunction symmetry', FloatRange(0,100, unit=''),
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poll=True, readonly =False, default=0),
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}
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def read_value(self):
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return self.sendRecv('C%d:BSWV FRQ?' % self.channel)
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def write_target(self,value):
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self.sendRecv('C%d:BSWV FRQ, %g' % (self.channel, str(value)+'Hz'))
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return value
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#signal wavefunction parameter
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def read_wave(self):
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return self.sendRecv('C%d:BSWV WVTP?' % self.channel)
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def write_wave(self,value): #string value
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self.sendRecv('C%d:BSWV WVTP, %s' % (self.channel, value.name))
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return value
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#signal amplitude parameter
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def read_amp(self):
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return self.sendRecv('C%d:BSWV AMP?' % self.channel)
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def write_amp(self,value):
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self.sendRecv('C%d:BSWV AMP, %g' % (self.channel, value))
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return value
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#offset value parameter
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def read_offset(self):
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return self.sendRecv('C%d:BSWV OFST?' % self.channel)
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def write_offset(self, value):
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self.sendRecv('C%d:BSWV OFST %g' % (self.channel, value))
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return value
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# channel symmetry
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def read_symm(self):
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return self.sendRecv('C%d:BSWV SYM?' % self.channel)
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def write_symm(self, value):
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self.comm('C%d:BSWV SYM %g' % (self.channel, value))
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return value
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# wave phase parameter
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def read_phase(self):
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return self.sendRecv('C%d:BSWV PHSE?' % self.channel)
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def write_phase(self, value):
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self.sendRecv('C%d:BSWV PHSE %g' % (self.channel, str(value)))
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return value
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# dis/enable output channel
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def read_enabled(self):
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return self.sendRecv('C%d: OUTP?' % self.channel)
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def write_enabled(self, value):
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self.sendRecv('C%d: OUTP %s' % (self.channel, value.name))
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return value
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# devices are defined as arg less output enable what is defined as arg2
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class arg(Readable):
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pollerClass = None
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parameters = {
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'value': Override(datatype=FloatRange(unit='')),
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}
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class arg2(Readable):
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pollerClass = None
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parameters = {
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'value': Override(datatype=BoolType(unit='')),
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}
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