class PiStageUi(QSplitter):
stageConnected = Signal(
) # gets emitted if stage was sucessfully connected
stopScan = Signal()
xAxeChanged = Signal(object, object)
updateCurrPos = Signal(object)
def __init__(self, parent):
#super(ObjectFT, self).__init__(Qt.Vertical, parent)
super().__init__(parent)
self.stage = None
self.offset = 0. # offset from 0 where t0 is (mm)
self.newOff = 0.
self.stageRange = (0, 0)
layoutWidget = QWidget()
layout = QGridLayout()
layoutWidget.setLayout(layout)
# put layout together
self.openStageBtn = QPushButton("Open stage")
self.initStageBtn = QPushButton("Init stage")
#absolute move
#current position
self.currentPos = QLabel('')
#self.currentPos.setValidator(QDoubleValidator())
#relative move (mm)
self.deltaMove_mm = QLineEdit()
self.deltaMove_mm.setText('0')
self.deltaMove_mm.setValidator(QDoubleValidator())
self.deltaMovePlus_mm = QPushButton('+')
self.deltaMoveMinus_mm = QPushButton('-')
#relative move (fs)
self.deltaMove_fs = QLineEdit()
self.deltaMovePlus_fs = QPushButton('+')
self.deltaMoveMinus_fs = QPushButton('-')
#velocity
self.velocityLabel = QLabel('Velocity:')
self.velocity = QSlider(Qt.Horizontal)
self.velocity.setMinimum(0)
self.velocity.setMaximum(
2000) # unit in µm; TODO: try to get max vel. from controller
# scan from (fs)
self.scanFrom = QLineEdit()
self.scanFrom.setText('-100')
self.scanFrom.setValidator(QIntValidator())
# scan to (fs)
self.scanTo = QLineEdit()
self.scanTo.setText('100')
self.scanTo.setValidator(QIntValidator())
# scan stepsize (fs)
self.scanStep = QLineEdit()
self.scanStep.setText('10')
self.scanStep.setValidator(QDoubleValidator())
# center here button
self.centerBtn = QPushButton('Center here')
self.centerBtn.setToolTip('Center scan at current stage position')
self.startScanBtn = QPushButton("Start scan")
self.stopScanBtn = QPushButton("Stop scan")
self.niceBtn = QPushButton('Make it nice')
# spacer line
hLine = QFrame()
hLine.setFrameStyle(QFrame.HLine)
hLine.setSizePolicy(QSizePolicy.Minimum, QSizePolicy.Expanding)
# put layout together
layout.addWidget(self.openStageBtn, 0, 0)
layout.addWidget(self.initStageBtn, 0, 1)
layout.addWidget(QLabel("Current pos (mm):"), 1, 0)
layout.addWidget(self.currentPos, 1, 1)
layout.addWidget(self.velocityLabel, 2, 0)
layout.addWidget(self.velocity, 3, 0, 1, 2)
layout.addWidget(QLabel('Move relative (mm)'), 4, 0)
layout.addWidget(self.deltaMove_mm, 5, 0, 1, 2)
layout.addWidget(self.deltaMoveMinus_mm, 6, 0)
layout.addWidget(self.deltaMovePlus_mm, 6, 1)
layout.addWidget(QLabel('Move relative (fs)'), 7, 0)
layout.addWidget(self.deltaMove_fs, 8, 0, 1, 2)
layout.addWidget(self.deltaMoveMinus_fs, 9, 0)
layout.addWidget(self.deltaMovePlus_fs, 9, 1)
layout.addWidget(hLine, 10, 0, 1, 2)
layout.addWidget(QLabel('Scan from (fs)'), 11, 0)
layout.addWidget(self.scanFrom, 11, 1)
layout.addWidget(QLabel('Scan to (fs)'), 12, 0)
layout.addWidget(self.scanTo, 12, 1)
layout.addWidget(QLabel('Stepsize (fs)'), 13, 0)
layout.addWidget(self.scanStep, 13, 1)
layout.addWidget(self.startScanBtn, 14, 0)
layout.addWidget(self.stopScanBtn, 14, 1)
layout.addWidget(self.centerBtn, 15, 1)
layout.addWidget(self.niceBtn, 16, 1)
layout.setRowStretch(17, 10)
layout.setColumnStretch(2, 10)
self.addWidget(layoutWidget)
# make button and stuff functional
self.openStageBtn.released.connect(self.connectStage)
self.initStageBtn.released.connect(self.initStage)
self.scanFrom.returnPressed.connect(self._xAxeChanged)
self.scanTo.returnPressed.connect(self._xAxeChanged)
self.centerBtn.released.connect(self._centerHere)
self.deltaMovePlus_mm.released.connect(
lambda x=1: self.moveRel_mm(float(self.deltaMove_mm.text())))
self.deltaMoveMinus_mm.released.connect(
lambda x=-1: self.moveRel_mm(float(self.deltaMove_mm.text()), x))
################
# thread for updating position
#self.currPosThr = GenericThread(self.__getCurrPos)
self.updateCurrPos.connect(self.__updateCurrPos)
self.currPos_thread = QThread() # create the QThread
self.currPos_thread.start()
# This causes my_worker.run() to eventually execute in my_thread:
self.currPos_worker = GenericWorker(self.__getCurrPos)
self.currPos_worker.moveToThread(self.currPos_thread)
# my_worker.finished.connect(self.xxx)
#self.threadPool.append(my_thread)
#self.my_worker = my_worker
def connectStage(self):
gcs = GCSDevice()
try:
gcs.InterfaceSetupDlg()
msg = QMessageBox()
msg.setIcon(QMessageBox.Information)
msg.setText(gcs.qIDN())
msg.exec_()
self.stage = gcs
self.openStageBtn.setEnabled(False)
except:
msg = QMessageBox()
msg.setIcon(QMessageBox.Critical)
msg.setText('Could not connect stage')
msg.exec_()
def initStage(self):
# TODO put this in thread and show egg clock
if self.stage is not None:
## Create and display the splash screen
#splash_pix = QPixmap('icons/piController.png')
#splash = QSplashScreen(splash_pix, Qt.WindowStaysOnTopHint)
#splash.setMask(splash_pix.mask())
#splash.show()
# TODO: give choice to select stage
pitools.startup(self.stage, stages='M-112.1DG-NEW', refmode='FNL')
#splash.close()
# TODO: show dialog for waiting
self.velocityLabel.setText('Velocity: {:f}mm/s'.format(
self.stage.qVEL()['1']))
self.velocity.setValue(int(1000 * self.stage.qVEL()['1']))
self.stageConnected.emit()
self._xAxeChanged()
self.currentPos.setText('{:.7f}'.format(self.stage.qPOS()['1']))
self.__startCurrPosThr()
self.stageRange = (self.stage.qTMN()['1'], self.stage.qTMX()['1'])
self.scanStep.validator().setBottom(0)
self.initStageBtn.setEnabled(False)
else:
msg = QMessageBox()
msg.setIcon(QMessageBox.Critical)
msg.setText('No stage connected')
msg.exec_()
def gotoPos_mm(self, x):
'''Move stage to absolute position in mm'''
if self.stageRange[0] <= x <= self.stageRange[1]:
self.stage.MOV(self.stage.axes, x)
while not pitools.ontarget(self.stage, '1')['1']:
time.sleep(0.05)
else:
print('Requested postition', x, 'outside of range',
self.stageRange)
def gotoPos_fs(self, x):
'''Move stage to absolute position in mm'''
self.gotoPos_mm(self._calcAbsPos(x))
def moveRel_mm(self, x=0, sign=1):
'''Moves stage relative to current position'''
# TODO raise message if outside of range
currPos = float(self.currentPos.text())
if self.stageRange[0] <= sign * x + currPos <= self.stageRange[1]:
self.stage.MVR(self.stage.axes, sign * x)
else:
print('Requested postition', x, 'outside of range',
self.stageRange)
def moveRel_fs(self, x=0, sign=1):
'''Moves stage relative to current position; expexts fs'''
# TODO raise message if outside of range
self.moveRel_mm(self._calcAbsPos(x), sign)
def _calcAbsPos(self, x):
'''Calculate absolute position on stage from given femtosecond value
gets x in fs and returns position mm'''
return (x * fsDelay) + self.offset
def getDelays_mm(self):
'''expects fs and returns mm'''
von = self._calcAbsPos(float(self.scanFrom.text()))
bis = self._calcAbsPos(float(self.scanTo.text()))
#stepSize = int(self.scanStep.text())
stepSize = float(self.scanStep.text()) * fsDelay
return np.linspace(von, bis, (np.abs(von) + bis) / stepSize)
def getDelays_fs(self):
'''expects fs and returns mm'''
von = float(self.scanFrom.text())
bis = float(self.scanTo.text())
#stepSize = int(self.scanStep.text())
stepSize = float(self.scanStep.text())
return np.linspace(von, bis, (np.abs(von) + bis) / stepSize)
def _xAxeChanged(self):
self.xAxeChanged.emit(int(self.scanFrom.text()),
int(self.scanTo.text()))
def setCenter(self):
'''Slot which recieves the new center position
in fs and sets offset in mm
'''
if self.newOff != 0:
self.offset += (self.newOff * fsDelay)
print('offset', self.offset, self.newOff)
self.newOff = 0.
def newOffset(self, newOffset):
self.newOff = newOffset
def _centerHere(self):
self.offset = self.stage.qPOS()['1']
def __startCurrPosThr(self):
self.stopCurrPosThr = False
#self.currPosThr.start()
self.currPos_worker.start.emit()
def __stopCurrPosThr(self):
self.stopCurrPosThr = True
while (self.currPosThr.isRunning()):
time.sleep(0.03)
def __getCurrPos(self):
oldPos = self.stage.qPOS()['1']
while not self.stopCurrPosThr:
newPos = self.stage.qPOS()['1']
if oldPos != newPos:
oldPos = newPos
self.updateCurrPos.emit(newPos)
time.sleep(0.5)
def __updateCurrPos(self, newPos):
self.currentPos.setText('{:.7f}'.format(newPos))
class TiePieUi(QSplitter):
'''
Handling user interface to manage TiePie HS4/Diff Oscilloscope
'''
scpConnected = Signal()
xAxeChanged = Signal(object, object)
yAxeChanged = Signal(object, object)
triggLevelChanged = Signal(object)
def __init__(self, parent):
#super(ObjectFT, self).__init__(Qt.Vertical, parent)
super().__init__(parent)
self.scp = None # variable to hold oscilloscope object
self.mutex = QMutex()
layoutWidget = QWidget()
layout = QGridLayout()
layoutWidget.setLayout(layout)
self.openDevBtn = QPushButton('Open Osci')
# channel stuff
self.measCh = QComboBox()
self.chSens = QComboBox()
self.triggCh = QComboBox()
self.frequency = QLineEdit()
self.frequency.setValidator(QIntValidator())
self.recordLen = QLineEdit()
self.recordLen.setValidator(QIntValidator())
self.delay = QLineEdit()
self.delay.setValidator(QDoubleValidator())
# trigger stuff
self.triggLevel = QLineEdit()
self.triggLevel.setToolTip(
'http://api.tiepie.com/libtiepie/0.5/triggering_scpch.html#triggering_scpch_level'
)
self.triggLevel.setText(
'0.5'
) # init value otherwise there's trouble with signal changing index of sensitivity
self.triggLevel.setValidator(QDoubleValidator(0., 1., 3))
self.hystereses = QLineEdit()
self.hystereses.setText('0.05')
self.hystereses.setToolTip(
'http://api.tiepie.com/libtiepie/0.5/triggering_scpch.html#triggering_scpch_hysteresis'
)
self.hystereses.setValidator(QDoubleValidator(0., 1., 3))
self.triggKind = QComboBox()
# do averages
self.averages = QSpinBox()
self.averages.setValue(1)
self.averages.setRange(1, 10000)
# put layout together
layout.addWidget(self.openDevBtn, 0, 0)
layout.addWidget(QLabel('Measuring Ch'), 1, 0)
layout.addWidget(self.measCh, 1, 1)
layout.addWidget(QLabel('Ch sensitivity'), 2, 0)
layout.addWidget(self.chSens, 2, 1)
layout.addWidget(QLabel('Sample freq. (kHz)'), 3, 0)
layout.addWidget(self.frequency, 3, 1)
layout.addWidget(QLabel('Record length'), 4, 0)
layout.addWidget(self.recordLen, 4, 1)
layout.addWidget(QLabel('Delay'), 5, 0)
layout.addWidget(self.delay, 5, 1)
layout.addWidget(QLabel('Trigger Ch'), 6, 0)
layout.addWidget(self.triggCh, 6, 1)
layout.addWidget(QLabel('Trigger Level (%)'), 7, 0)
layout.addWidget(self.triggLevel, 7, 1)
layout.addWidget(QLabel('Hystereses'), 8, 0)
layout.addWidget(self.hystereses, 8, 1)
layout.addWidget(QLabel('Trigger kind'), 9, 0)
layout.addWidget(self.triggKind, 9, 1)
layout.addWidget(QLabel('Averages'), 10, 0)
layout.addWidget(self.averages, 10, 1)
layout.setRowStretch(11, 10)
layout.setColumnStretch(2, 10)
self.addWidget(layoutWidget)
# connect UI to get things working
self.openDevBtn.released.connect(self.openDev)
self.chSens.currentIndexChanged.connect(self._changeSens)
self.frequency.returnPressed.connect(self._changeFreq)
self.recordLen.returnPressed.connect(self._changeRecordLength)
self.triggCh.currentIndexChanged.connect(self._changeTrigCh)
self.triggLevel.returnPressed.connect(self._triggLevelChanged)
self.triggLevel.textChanged.connect(self._check_state)
self.hystereses.returnPressed.connect(self._setHystereses)
self.hystereses.textChanged.connect(self._check_state)
def openDev(self):
# search for devices
libtiepie.device_list.update()
# try to open an oscilloscope with block measurement support
for item in libtiepie.device_list:
if item.can_open(libtiepie.DEVICETYPE_OSCILLOSCOPE):
self.scp = item.open_oscilloscope()
if self.scp.measure_modes & libtiepie.MM_BLOCK:
break
else:
self.scp = None
# init UI
#print(self.scp.name, 'found')
if self.scp is not None:
# Set measure mode:
self.scp.measure_mode = libtiepie.MM_BLOCK
# Set sample frequency:
self.scp.sample_frequency = 1e6 # 1 MHz
# Set record length:
self.scp.record_length = 10000 # 10000 samples
# Set pre sample ratio:
self.scp.pre_sample_ratio = 0 # 0 %
# Set trigger timeout:
self.scp.trigger_time_out = 100e-3 # 100 ms
# Enable channel 1 for measurement
# http://api.tiepie.com/libtiepie/0.5/group__scp__ch__enabled.html
self.scp.channels[
0].enabled = True # by default all channels are enabled
self.scp.range = 0.2
self.scp.coupling = libtiepie.CK_DCV # DC Volt
# Disable all channel trigger sources
for ch in self.scp.channels:
ch.trigger.enabled = False
# Setup channel trigger on 1
ch = self.scp.channels[0]
ch.trigger.enabled = True
ch.trigger.kind = libtiepie.TK_RISINGEDGE
ch.trigger.levels[0] = 0.5 # 50%
ch.trigger.hystereses[0] = 0.05 # 5%
# update UI
# channel
self.measCh.addItems(
['Ch{:d}'.format(i) for i in range(self.scp.channels.count)])
self.chSens.addItems(
['{:.1f} V'.format(i) for i in self.scp.channels[0].ranges])
self.frequency.setValidator(
QIntValidator(1, 1e-3 * self.scp.sample_frequency_max))
self.frequency.setText('{:d}'.format(
int(self.scp.sample_frequency * 1e-3)))
self.recordLen.setValidator(
QIntValidator(1, self.scp.record_length_max))
self.recordLen.setText('{:d}'.format(self.scp.record_length))
# trigger
self.triggCh.addItems(
['Ch{:d}'.format(i) for i in range(self.scp.channels.count)])
# TODO: doen't work in module anymore!!
#self.triggLevel.setText(str(ch.trigger.levels[0]))
#self.hystereses.setText(str(ch.trigger.hystereses[0]))
self.triggKind.addItems([
'{:s}'.format(i) for i in libtiepie.trigger_kind_str(
ch.trigger.kinds).split(', ')
])
self.openDevBtn.setEnabled(False)
# tell the world that the scope is connected
self.xAxeChanged.emit(
0, 1 / int(self.frequency.text()) * 1e-3 *
int(self.recordLen.text()))
self.yAxeChanged.emit(-1 * self.scp.range, self.scp.range)
self.triggLevelChanged.emit(ch.trigger.levels[0] * 2 *
self.scp.range - self.scp.range)
self.scpConnected.emit()
else:
msg = QMessageBox()
msg.setIcon(QMessageBox.Critical)
msg.setText('No supported device found')
msg.exec_()
def getData(self):
# function called thread for updating plot
avg = int(self.averages.text())
with QMutexLocker(self.mutex):
x = np.linspace(
0, 1 / self.scp.sample_frequency * self.scp.record_length,
self.scp.record_length)
y = np.zeros((avg, self.scp.record_length))
for i in range(avg):
self.scp.start()
while not self.scp.is_data_ready:
time.sleep(0.01)
y[i, :] = self.scp.get_data()[self.measCh.currentIndex()]
return np.column_stack((x, y.mean(axis=0)))
#@Slot
def _changeSens(self, i):
with QMutexLocker(self.mutex):
yMax = self.scp.channels[0].ranges[i]
self.scp.range = yMax
self.yAxeChanged.emit(-1 * yMax, yMax)
self.triggLevelChanged.emit(
float(self.triggLevel.text()) * 2 * yMax - yMax)
def _changeTrigCh(self, newTrig):
print('new trigger channel', newTrig)
scope = self.scp
with QMutexLocker(self.mutex):
# Disable all channel trigger sources
for ch in scope.channels:
ch.trigger.enabled = False
# enable trigger on newly selected channel
ch = scope.channels[newTrig]
ch.trigger.enabled = True
ch.trigger.kind = libtiepie.TK_RISINGEDGE
ch.trigger.levels[0] = float(self.triggLevel.text())
ch.trigger.hystereses[0] = float(self.hystereses.text())
def _triggLevelChanged(self):
with QMutexLocker(self.mutex):
idx = self.triggCh.currentIndex()
ch = self.scp.channels[idx]
ch.trigger.levels[0] = float(self.triggLevel.text())
self.triggLevelChanged.emit(
float(self.triggLevel.text()) * 2 * self.scp.range -
self.scp.range)
def _changeFreq(self):
with QMutexLocker(self.mutex):
self.scp.sample_frequency = int(self.frequency.text()) * 1e3
self.xAxeChanged.emit(
0, 1 / self.scp.sample_frequency * self.scp.record_length)
def _changeRecordLength(self):
with QMutexLocker(self.mutex):
self.scp.record_length = int(self.recordLen.text())
self.xAxeChanged.emit(
0, 1 / self.scp.sample_frequency * self.scp.record_length)
def _setHystereses(self):
with QMutexLocker(self.mutex):
self.scp.hystereses = float(self.hystereses.text())
def _check_state(self, *args, **kwargs):
'''https://snorfalorpagus.net/blog/2014/08/09/validating-user-input-in-pyqt4-using-qvalidator/'''
sender = self.sender()
validator = sender.validator()
state = validator.validate(sender.text(), 0)[0]
if state == QValidator.Acceptable:
color = '#FFFFFF' # green
elif state == QValidator.Intermediate:
color = '#fff79a' # yellow
else:
color = '#f6989d' # red
sender.setStyleSheet('QLineEdit { background-color: %s }' % color)
class MaestroUi(QSplitter):
connected = Signal() # gets emitted if stage was sucessfully connected
newPlotData = Signal(object)
updateAvgTxt = Signal(object)
def __init__(self, parent):
#super(ObjectFT, self).__init__(Qt.Vertical, parent)
super().__init__(parent)
self.meter = None
self.collectData = True # bool for data collection thread
self.avgData = Queue() # need data for averaging and set for holding all
self.measure = False
self.runDataThr = True
self.measureData = []
self.startTime = None
layoutWidget = QWidget()
layout = QGridLayout()
layoutWidget.setLayout(layout)
##############
# gui elements
self.ipEdit = QLineEdit()
rx = QRegExp("^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5]).){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])$")
self.ipEdit.setValidator(QRegExpValidator(rx))
self.ipEdit.setText('127.0.0.1')
self.portEdit = QLineEdit()
self.portEdit.setValidator(QIntValidator(1, 65535, self))
self.portEdit.setText('5000')
self.connectBtn = QPushButton('Connect')
self.avgSpin = QSpinBox()
self.avgSpin.setValue(1)
self.avgSpin.setRange(1, 10000)
self.currValDisp = QLabel('0.0')
self.startMeasBtn = QPushButton('Start aq')
self.stopMeasBtn = QPushButton('Stop aq')
##############
# put layout together
layout.addWidget(QLabel('IP Address:'), 0, 0)
layout.addWidget(self.ipEdit, 1, 0)
layout.addWidget(QLabel('Port:'), 0, 1)
layout.addWidget(self.portEdit, 1, 1)
layout.addWidget(self.connectBtn, 2, 1)
layout.addWidget(QLabel('Averages'), 4, 0)
layout.addWidget(self.avgSpin, 5, 0)
layout.addWidget(self.currValDisp, 5, 1)
layout.addWidget(self.startMeasBtn, 6, 0)
layout.addWidget(self.stopMeasBtn, 6, 1)
layout.setRowStretch(7, 10)
self.addWidget(layoutWidget)
##############
# Network stuff
self.tcpClient = QtNetwork.QTcpSocket()
self.tcpClient.readyRead.connect(self.__getSocketData)
self.tcpClient.error.connect(lambda x: print(x))
##############
# make button and stuff functional
self.connectBtn.released.connect(self.connectMeter)
self.avgSpin.valueChanged.connect(self.changeAverage)
self.startMeasBtn.released.connect(self._startMeasure)
self.stopMeasBtn.released.connect(self._stopMeasure)
##############
# thread for getting data from socket
self.updateAvgTxt.connect(self.__updateAvgTxt)
self.dataAq_Thr = QThread()
self.dataAq_Thr.start()
self.dataAq_worker = GenericWorker(self.__getData)
self.dataAq_worker.moveToThread(self.dataAq_Thr)
def connectMeter(self):
print('connected')
self.tcpClient.connectToHost(self.ipEdit.text(), int(self.portEdit.text()))
self.tcpClient.write('start\n'.encode())
self.dataAq_worker.start.emit()
def _startMeasure(self):
self.measure = True
self.measureData = [] # reinitialize measure data array
time.sleep(0.1) # time to wait for first data to arrive
self.startTime = datetime.now() # datetime object
def _stopMeasure(self):
self.measure = False
#@Slot
def __updateAvgTxt(self, text):
'''
update current value label
'''
self.currValDisp.setText(text)
def changeAverage(self):
shape = int(self.avgSpin.value())
self.dispData = np.zeros(shape)
def __getData(self):
'''
Function run in thread
'''
while self.runDataThr:
tmpData = np.array(int(self.avgSpin.text())*[[datetime.now(), 0]])
for i in range(len(tmpData)):
tmpData[i] = self.avgData.get()
if self.measure:
self.measureData.append(
(tmpData[i,0].isoformat().encode(),
(tmpData[i,0]-self.startTime).total_seconds(),
tmpData[i,1]))
#print('mean', tmpData.mean())
self.updateAvgTxt.emit(str(tmpData[:,1].mean()))
if self.measure:
self.newPlotData.emit(np.float_(np.asarray(self.measureData)[:,1:]))
self.avgData.task_done()
#@Slot()
def __getSocketData(self):
'''
to be called if network buffer has more data
push data to queue
'''
self.avgData.put([datetime.now(), float(self.tcpClient.readLine(1024).decode().rstrip())])
def closeEvent(self, event):
if self.tcpClient.isOpen():
self.RunDataThr = False
self.tcpClient.write('stop\n'.encode())
time.sleep(0.1)
self.tcpClient.close()
print(self.tcpClient.isOpen())
#if self.console is not None:
# self.console.exit_interpreter()
event.accept()