datalogger-gui.py
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
import time, os, instruments, inspect, sys, threading
import PyQt4.QtGui as QtGui
from PyQt4.QtCore import pyqtSlot
#==============================================================================
#==============================================================================
class acq_routine():
def __init__(self, instrument, channels, vtypes, address, path = os.getcwd(), samplingtime = 1, fileduration = 24*3600):
exec('self.instrument = instruments.%s.%s(%s, %s, "%s")'%(instrument, instrument, channels, vtypes, address))
self.path = path
self.samplingtime = samplingtime
self.fileduration = fileduration
def makeTree(self):
try:
year = time.strftime("%Y", time.gmtime(self.t0))
month = time.strftime("%Y-%m", time.gmtime(self.t0))
os.chdir(self.path + '/' + year + '/' + month)
except:
try:
os.chdir(self.path + '/' + year)
os.mkdir(month)
os.chdir(self.path + '/' + year + '/' + month)
except:
os.chdir(self.path)
os.mkdir(year)
os.chdir(self.path + '/' + year)
os.mkdir(month)
os.chdir(self.path + '/' + year + '/' + month)
def connect(self):
self.instrument.connect()
self.t0 = time.time()
self.filename = time.strftime("%Y%m%d-%H%M%S", time.gmtime(self.t0)) + '-' + self.instrument.model() + '.dat'
self.makeTree()
self.data_file = open(self.filename, 'wr', 0)
def start(self):
tic = time.time()
if (time.time() - self.t0 >= self.fileduration) & (self.fileduration >0 ):
self.data_file.close()
self.t0 = time.time()
self.filename = time.strftime("%Y%m%d-%H%M%S", time.gmtime(self.t0)) + '-' + self.instrument.model() + '.dat'
self.makeTree()
self.data_file = open(self.filename, 'wr', 0)
#epoch time
epoch = time.time()
#MJD time
mjd = epoch / 86400.0 + 40587
# Meas values
meas = self.instrument.getValue()
meas = meas.replace(",", "\t")
meas = meas.replace(";", "\t")
meas = meas.replace("+", "")
string = "%f\t%f\t%s" % (epoch, mjd, meas)
self.data_file.write(string) # Write in a file
print(string)
self.thread = threading.Timer(self.samplingtime - (time.time() - tic), self.start)
self.thread.start()
def stop(self):
self.thread.cancel()
self.instrument.disconnect()
self.data_file.close()
#==============================================================================
#==============================================================================
class mainGui():
def __init__(self):
self.setWindow()
self.setSignalsSlots()
self.runApp()
def setWindow(self):
self.a = QtGui.QApplication(sys.argv)
self.w = QtGui.QMainWindow()
self.w.resize(640, 480)
self.w.setWindowTitle('datalogger-gui')
self.wid = QtGui.QWidget()
self.w.setCentralWidget(self.wid)
self.layout = QtGui.QGridLayout()
self.wid.setLayout(self.layout)
self.comboInst = QtGui.QComboBox()
self.layout.addWidget(self.comboInst, 0, 0)
self.address = QtGui.QLineEdit()
self.address.setMinimumWidth(140)
self.address.setMaximumWidth(140)
self.layout.addWidget(self.address, 0, 1)
self.startButton = QtGui.QPushButton()
self.startButton.setText('Start log')
self.layout.addWidget(self.startButton, 99, 0)
self.startButton.setEnabled(False)
self.stopButton = QtGui.QPushButton()
self.stopButton.setText('Stop log')
self.layout.addWidget(self.stopButton, 99, 1)
self.stopButton.setEnabled(False)
self.textDisplay = QtGui.QLabel()
self.textDisplay.setText('>>')
self.layout.addWidget(self.textDisplay, 99, 2)
self.setComboInst()
self.updateSignal()
def setComboInst(self):
for name, obj in inspect.getmembers(instruments):
if inspect.ismodule(obj) and name.startswith('__') == False and name.startswith('abstract') == False:
self.comboInst.addItem(name)
def setSignalsSlots(self):
self.comboInst.currentIndexChanged.connect(self.updateSignal)
self.startButton.clicked.connect(self.startLog)
self.stopButton.clicked.connect(self.stopLog)
def runApp(self):
self.w.show()
self.a.aboutToQuit.connect(self.closeEvent)
sys.exit(self.a.exec_())
def closeEvent(self):
try:
self.stopLog()
except:
pass
print('Done')
@pyqtSlot()
def updateSignal(self):
for i in reversed(range(5, self.layout.count())):
self.layout.itemAt(i).widget().setParent(None)
defaultAddress = ''
channelsAviables = []
vtypesAviables = []
exec('channelsAviables = instruments.%s.ALL_CHANNELS'%self.comboInst.currentText())
exec('vtypesAviables = instruments.%s.ALL_VAL_TYPE'%self.comboInst.currentText())
exec('defaultAddress = instruments.%s.ADDRESS'%self.comboInst.currentText())
self.address.setText(defaultAddress)
self.checkBoxChannels = [None]*len(channelsAviables)
self.chListVtypes = [None]*len(self.checkBoxChannels)
for i in range(len(self.checkBoxChannels)):
self.checkBoxChannels[i] = QtGui.QCheckBox()
self.checkBoxChannels[i].setText(channelsAviables[i])
self.checkBoxChannels[i].setChecked(False)
self.chListVtypes[i] = QtGui.QListWidget()
for vtype in vtypesAviables:
self.chListVtypes[i].addItem(vtype)
self.chListVtypes[i].setCurrentRow(0)
self.layout.addWidget(self.checkBoxChannels[i], i+3, 1)
self.layout.addWidget(self.chListVtypes[i], i+3, 2)
self.checkBoxChannels[i].stateChanged.connect(self.infoSignal)
self.chListVtypes[i].currentItemChanged.connect(self.infoSignal)
self.address.textChanged.connect(self.infoSignal)
self.infoSignal()
@pyqtSlot()
def infoSignal(self):
self.instToLog = self.comboInst.currentText()
self.addressToLog = self.address.text()
self.chToLog = []
self.vTypeToLog = []
for i in range(len(self.checkBoxChannels)):
if self.checkBoxChannels[i].isChecked():
self.chListVtypes[i].setEnabled(True)
self.chToLog.append(str(self.checkBoxChannels[i].text()))
self.vTypeToLog.append(str(self.chListVtypes[i].currentItem().text()))
else:
self.chListVtypes[i].setEnabled(False)
allChannelsUnchecked = False
for i in self.checkBoxChannels:
allChannelsUnchecked = allChannelsUnchecked or i.isChecked()
if allChannelsUnchecked == False:
self.startButton.setEnabled(False)
else:
self.startButton.setEnabled(True)
self.textDisplay.setText('>> %s@%s - %s - %s'%(self.instToLog, self.addressToLog, self.chToLog, self.vTypeToLog))
self.myLog = acq_routine(self.instToLog, self.chToLog, self.vTypeToLog, self.addressToLog)
@pyqtSlot()
def startLog(self):
self.startButton.setEnabled(False)
self.stopButton.setEnabled(True)
self.address.setEnabled(False)
self.comboInst.setEnabled(False)
for i in self.checkBoxChannels:
i.setEnabled(False)
for i in self.chListVtypes:
i.setEnabled(False)
self.myLog.connect()
self.myLog.start()
@pyqtSlot()
def stopLog(self):
self.startButton.setEnabled(True)
self.stopButton.setEnabled(False)
self.address.setEnabled(True)
self.comboInst.setEnabled(True)
for i in range(len(self.checkBoxChannels)):
if self.checkBoxChannels[i].isChecked():
self.checkBoxChannels[i].setEnabled(True)
self.chListVtypes[i].setEnabled(True)
else:
self.checkBoxChannels[i].setEnabled(True)
self.chListVtypes[i].setEnabled(False)
self.myLog.stop()
#==============================================================================
#==============================================================================
if __name__ == "__main__":
mainGui()