69 lines
2.2 KiB
Python
69 lines
2.2 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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"""PDLD Laser"""
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from frappy.core import StringIO, Parameter, HasIO, \
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Writable, FloatRange, BoolType, IDLE, ERROR
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class IO(StringIO):
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end_of_line = ('>', '\r')
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class Laser(HasIO, Writable):
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ioClass = IO
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value = Parameter('on/off', BoolType())
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target = Parameter('on/off', BoolType())
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def get_par(self, cmd):
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return float(self.communicate(cmd).split()[-1])
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def read_value(self):
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reply = float(self.communicate('MCM').split()[-1])
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if reply == 10:
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self.status = IDLE, ''
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return True
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if reply in (0, 40):
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self.status = IDLE, ''
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return False
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return ERROR, 'bad OP mode %s', reply
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def write_target(self, value):
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if value:
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self.communicate('SALO')
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else:
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self.communicate('SALS')
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class LaserPower(HasIO, Writable):
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value = Parameter('power readback', FloatRange(unit='mW'))
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target = Parameter('power setpoint', FloatRange(0, 300, unit='mW'), readonly=False)
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ioClass = IO
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def read_value(self):
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return float(self.communicate('MPO').split()[-1])
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def read_target(self):
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return float(self.communicate('MPR').split()[-1])
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def write_target(self, value):
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self.communicate(f'SPR{int(value):03d}')
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