def infuse(self):
""" Pump will move plunger down until specified volume is displaced """
amount = self.ui.amountSpinBox.value()
logging.info(f"pump: infusing {amount} ul")
if self.worker.isRunning():
logging.error("pump: error! pump not ready")
return
self.worker = CallbackWorker(self._pump.settargetvolume,
amount,
slotOnFinished=self.do_infuse)
self.worker.start()
def withdraw(self):
""" Pump will move plunge up until specified volume is gained """
amount = self.ui.amountSpinBox.value()
logging.info(f"pump: withdrawing {amount} ul")
if self.worker.isRunning():
logging.error("pump: error! pump not ready")
return
self.worker = CallbackWorker(self._pump.settargetvolume,
amount,
slotOnFinished=self.do_withdraw)
self.worker.start()
def empty(self):
""" Pump will empty syringe completely
**Caution!** only use if limitswitches are properly setup to avoid damage to syringe
"""
logging.info("emptying syringe")
if self.worker.isRunning():
logging.error("pump: error! pump not ready")
return
self.worker = CallbackWorker(self._pump.settargetvolume,
1000,
slotOnFinished=self.do_infuse)
self.worker.start()
def fill(self):
""" Pump will fill the current syringe to max level
**Caution!** only use if limitswitches are properly setup to avoid damage to syringe
"""
logging.info("filling syringe")
if self.worker.isRunning():
logging.error("pump: error! pump not ready")
return
self.worker = CallbackWorker(self._pump.settargetvolume,
1000,
slotOnFinished=self.do_withdraw)
self.worker.start()
def __init__(self, parent=None) -> None:
super(PumpControl, self).__init__(parent)
self.ui: Ui_main = self.window().ui
port = self.find_com_port()
self._context_depth = 0
logging.debug("initialize pump")
try:
chain = pumpy.Chain(port)
self._pump = pumpy.Microliter(chain, name='Pump')
except Exception as ex:
self._pump = None
logging.warning('Pump Error:' + str(ex))
self.worker: Worker = Worker(None)
class PumpControl(QGroupBox):
"""
provides a grupbox with UI to control the pump
"""
def __init__(self, parent=None) -> None:
super(PumpControl, self).__init__(parent)
self.ui: Ui_main = self.window().ui
port = self.find_com_port()
self._context_depth = 0
logging.debug("initialize pump")
try:
chain = pumpy.Chain(port)
self._pump = pumpy.Microliter(chain, name='Pump')
except Exception as ex:
self._pump = None
logging.warning('Pump Error:' + str(ex))
self.worker: Worker = Worker(None)
def showEvent(self, event):
self._pump.stop()
self._pump.setdiameter(self.ui.diamSpinBox.value())
self._pump.setflowrate(self.ui.flowSpinBox.value()) # 2ul / s
self.connect_signals()
def connect_signals(self):
self.ui.dispenseBtn.clicked.connect(self.infuse)
self.ui.collectBtn.clicked.connect(self.withdraw)
self.ui.fillBtn.clicked.connect(self.fill)
self.ui.emptyBtn.clicked.connect(self.empty)
self.ui.stopPumpBtn.clicked.connect(self.stop)
self.ui.syringeApplyBtn.clicked.connect(self.apply_settings)
def fill(self):
""" Pump will fill the current syringe to max level
**Caution!** only use if limitswitches are properly setup to avoid damage to syringe
"""
logging.info("filling syringe")
if self.worker.isRunning():
logging.error("pump: error! pump not ready")
return
self.worker = CallbackWorker(self._pump.settargetvolume,
1000,
slotOnFinished=self.do_withdraw)
self.worker.start()
def empty(self):
""" Pump will empty syringe completely
**Caution!** only use if limitswitches are properly setup to avoid damage to syringe
"""
logging.info("emptying syringe")
if self.worker.isRunning():
logging.error("pump: error! pump not ready")
return
self.worker = CallbackWorker(self._pump.settargetvolume,
1000,
slotOnFinished=self.do_infuse)
self.worker.start()
def infuse(self):
""" Pump will move plunger down until specified volume is displaced """
amount = self.ui.amountSpinBox.value()
logging.info(f"pump: infusing {amount} ul")
if self.worker.isRunning():
logging.error("pump: error! pump not ready")
return
self.worker = CallbackWorker(self._pump.settargetvolume,
amount,
slotOnFinished=self.do_infuse)
self.worker.start()
def withdraw(self):
""" Pump will move plunge up until specified volume is gained """
amount = self.ui.amountSpinBox.value()
logging.info(f"pump: withdrawing {amount} ul")
if self.worker.isRunning():
logging.error("pump: error! pump not ready")
return
self.worker = CallbackWorker(self._pump.settargetvolume,
amount,
slotOnFinished=self.do_withdraw)
self.worker.start()
def do_withdraw(self):
if self.worker.isRunning():
logging.error("pump: error! pump not ready")
return
self.worker = Worker(self._pump.withdraw)
self.worker.start()
def do_infuse(self):
if self.worker.isRunning():
logging.error("pump: error! pump not ready")
return
self.worker = Worker(self._pump.infuse)
self.worker.start()
def apply_settings(self):
""" read the values from the ui and apply them to the pump """
self._pump.setdiameter(self.ui.diamSpinBox.value())
self._pump.setflowrate(self.ui.flowSpinBox.value())
logging.info(
f"set syringe diameter to {self.ui.diamSpinBox.value()} mm, flowrate to {self.ui.flowSpinBox.value()} ul/m"
)
def stop(self):
""" Immediately stop the pump """
self._pump.stop()
@staticmethod
def find_com_port() -> str:
""" find the comport the pump is connected to """
lst = comports()
for port in lst:
if port.manufacturer == 'Prolific':
return port.device
def do_infuse(self):
if self.worker.isRunning():
logging.error("pump: error! pump not ready")
return
self.worker = Worker(self._pump.infuse)
self.worker.start()
def do_withdraw(self):
if self.worker.isRunning():
logging.error("pump: error! pump not ready")
return
self.worker = Worker(self._pump.withdraw)
self.worker.start()