add muwaba multiple water bath

cfg/muwaba_cfg.py

@@ -0,0 +1,97 @@
+Node('thermofischer.psi.ch',
+     'thermofischer_waterbath',
+     'tcp://5000',
+     )
+
+Mod('wio_1',
+    'frappy_psi.thermofisher.ThermFishIO',
+    'connection for water bath',
+    uri='serial:///dev/ttyUSB0?baudrate=19200',                 # 3001 = Port 1, 3002 = Port 2 ...
+    )
+
+Mod('wio_2',
+    'frappy_psi.thermofisher.ThermFishIO',
+    'connection for water bath',
+    uri='serial:///dev/ttyUSB1?baudrate=19200',                 # 3001 = Port 1, 3002 = Port 2 ...
+    )
+
+Mod('wio_3',
+    'frappy_psi.thermofisher.ThermFishIO',
+    'connection for water bath',
+    uri='serial:///dev/ttyUSB2?baudrate=19200',                 # 3001 = Port 1, 3002 = Port 2 ...
+    )
+
+Mod('Tbath_1',
+    'frappy_psi.thermofisher.TemperatureLoopA10',
+    'water_bath_1',
+    io='wio_1',
+    control_active=0,
+    target=25,
+    tolerance=0.1,
+    settling_time=20,
+    )
+
+Mod('Tbath_2',
+    'frappy_psi.thermofisher.TemperatureLoopA10',
+    'water_bath_2',
+    io='wio_2',
+    control_active=0,
+    target=25,
+    tolerance=0.1,
+    settling_time=20,
+    )
+
+Mod('Tbath_3',
+    'frappy_psi.thermofisher.TemperatureLoopA10',
+    'water_bath_3',
+    io='wio_3',
+    control_active=0,
+    target=25,
+    tolerance=0.1,
+    settling_time=20,
+    )
+
+Mod('valve_1',
+    'frappy_psi.ionopimax.DigitalOutput',
+    'valve_for_fast_water_temperature_changing',
+    addr = 'o1',
+    target = 0,  
+   )
+
+Mod('valve_2',
+    'frappy_psi.ionopimax.DigitalOutput',
+    'valve_for_fast_water_temperature_changing',
+    addr = 'o2',
+    target = 0, 
+   )
+
+Mod('valve_3',
+    'frappy_psi.ionopimax.DigitalOutput',
+    'valve_for_fast_water_temperature_changing',
+    addr = 'o3',
+    target = 0, 
+   )
+
+Mod('temp_sensor_tc',
+    'frappy_psi.ionopimax.SimpleVoltageInput',
+    'temperatur_sensor_sample',
+    rawrange = (0.0, 10.0),
+    valuerange = (5.0, 90.0),
+    addr = 'ai1_mv',
+    )
+
+Mod('temp_sensor_pt1000',
+    'frappy_psi.ionopimax.SimpleVoltageInput',
+    'temperatur_sensor_sample',
+    rawrange = (0.0, 10.0),
+    valuerange = (5.0, 90.0),
+    addr = 'ai2_mv',
+    )
+
+Mod('switcher',
+    'frappy_psi.muwaba.Switcher',
+    'waterbath switcher',
+    valve1 = 'valve_1',
+    valve2 = 'valve_2',
+    valve3 = 'valve_3',
+    )

frappy_psi/muwaba.py

@@ -0,0 +1,61 @@
+# *****************************************************************************
+# This program is free software; you can redistribute it and/or modify it under
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation; either version 2 of the License, or (at your option) any later
+# version.
+#
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
+# details.
+#
+# You should have received a copy of the GNU General Public License along with
+# this program; if not, write to the Free Software Foundation, Inc.,
+# 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+#
+# Module authors:
+#   Marcel Fuchs <marcel.fuchs@psi.ch>
+# *****************************************************************************
+
+
+"""
+Multiple waterbath switching
+"""
+
+from frappy.core import Readable, Writable, Parameter, Property, IntRange, Attached,ERROR, IDLE, WARN
+
+class Switcher(Writable):
+    value = Parameter("Switcher state", IntRange(0,3))
+    target = Parameter("Switcher target", IntRange(0,3), default=0)
+    valve1 = Attached(Writable)
+    valve2 = Attached(Writable)
+    valve3 = Attached(Writable)
+    _count = 0
+    _idle_status = IDLE, ''
+
+    def initModule(self):
+        super().initModule()
+        self.valves = {1:self.valve1, 2:self.valve2, 3:self.valve3}
+    
+    def write_target(self, target):
+        for nr, valve in self.valves.items():
+            if nr != target:
+                valve.write_target(False)
+        if target != 0:
+            self.valves[target].write_target(True)
+        self._idle_status = IDLE, ''
+
+    def read_value(self):
+        opened = [nr for nr, valve in self.valves.items() if valve.read_value()]
+        self._count = len(opened)
+        if self._count == 0:
+            return 0
+        if self._count == 1:
+            return opened[0]
+        self.write_target(self.target)
+        self._idle_status = WARN, 'superfluous valves closed'
+        return self.target
+    
+    def read_status(self):
+        return self._idle_status
+