Markus Zolliker
d55ee42612
mainly from frappy_psi Change-Id: I192811459aebe97f3076888cd31a308a51e6aa49
74 lines
2.6 KiB
Python
74 lines
2.6 KiB
Python
# *****************************************************************************
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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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# Markus Zolliker <markus.zolliker@psi.ch>
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# *****************************************************************************
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"""a very simple simulator for a LakeShore Model 370"""
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from frappy.modules import Communicator
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class Ls370Sim(Communicator):
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CHANNEL_COMMANDS = [
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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', '1,5,5,0,0'),
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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?', '3,1'),
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('*OPC?', '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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self._data[fmt % chan] = v
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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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if excoff == '1':
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self._data['RDGST?%d' % channel] = '6'
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else:
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self._data['RDGST?%d' % channel] = '0'
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chunks = command.split(';')
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reply = []
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for chunk in chunks:
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if '?' in chunk:
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reply.append(self._data[chunk])
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else:
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for nqarg in (1,0):
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if nqarg == 0:
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qcmd, arg = chunk.split(' ', 1)
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qcmd += '?'
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else:
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qcmd, arg = chunk.split(',', nqarg)
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qcmd = qcmd.replace(' ', '?', 1)
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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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reply = ';'.join(reply)
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self.comLog('< %s' % reply)
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return reply
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