class Footer(QWidget):
def __init__(self):
QWidget.__init__(self)
self.__InitUi()
def __InitUi(self):
self.setFixedHeight(160)
SetWidgetBackgroundColor(COLOR_WIDGET_2, self)
self.__Layout = QGridLayout()
self.setLayout(self.__Layout)
self.__Layout.setContentsMargins(30,30,30,30)
self.__Layout.setHorizontalSpacing(30)
self.__Layout.setVerticalSpacing(30)
self.__lblProcess = LabelSmalSize("", COLOR_FONT_4, True)
self.__Layout.addWidget(self.__lblProcess)
self.__pgbProgress = Progressbar()
self.__Layout.addWidget(self.__pgbProgress)
def ProcessStartet(self, strProcess):
self.__lblProcess.setText(strProcess)
self.__pgbProgress.setMaximum(0)
def ProcessEnded(self):
self.__lblProcess.setText("")
self.__pgbProgress.setMaximum(100)
class MainView(QMainWindow):
# Signals
startPressed = pyqtSignal(bool)
resetPressed = pyqtSignal()
broadcastPressed = pyqtSignal(bool)
def __init__(self):
super(MainView, self).__init__()
self.initUI()
# Private variables
self._running = False
# ADE7753 instance
self.meter = ade.ADE7753()
# Connect signals and slots
self.startPressed.connect(self.meter.startStopSlot)
self.resetPressed.connect(self.meter.resetSlot)
self.broadcastPressed.connect(self.meter.broadcastSlot)
self.meter.varData.connect(self.updateData)
self.meter.varPower.connect(self.updatePower)
self.meter.varEnergy.connect(self.updateEnergy)
# Slots
# Update Vrms, Irms and Frequency
@pyqtSlot(float, float, float, float)
def updateData(self, vrms, irms, frequency, period):
vrms = '{:.2f}'.format(vrms)
irms = '{:.3f}'.format(irms)
frequency = '{:.2f}'.format(frequency)
self.voltageLabel.setText(vrms)
self.currentLabel.setText(irms)
self.frequencyLabel.setText(frequency)
# Update energy
@pyqtSlot(float, float, float)
def updateEnergy(self, activeEnergy, apparentEnergy, reactiveEnergy):
activeEnergy = '{:.3f}'.format(activeEnergy)
apparentEnergy = '{:.3f}'.format(apparentEnergy)
reactiveEnergy = '{:.3f}'.format(reactiveEnergy)
self.activeEnergyLabel.setText(activeEnergy)
self.apparentEnergyLabel.setText(apparentEnergy)
self.reactiveEnergyLabel.setText(reactiveEnergy)
# Update power
@pyqtSlot(float, float, float)
def updatePower(self, activePower, apparentPower, reactivePower):
activePower = '{:.3f}'.format(activePower)
apparentPower = '{:.3f}'.format(apparentPower)
reactivePower = '{:.3f}'.format(reactivePower)
self.activePowerLabel.setText(activePower)
self.apparentPowerLabel.setText(apparentPower)
self.reactivePowerLabel.setText(reactivePower)
def initUI(self):
# Set central widget
centralWidget = QWidget()
self.setCentralWidget(centralWidget)
# Load LCD fonts
lcdNumbersFontID = QFontDatabase().addApplicationFont("lcdmn.ttf")
#fontNames = QFontDatabase().applicationFontFamilies(lcdNumbersFontID)
# Change font size and use italic for strings
#self.lcdNumbersFont = QFont(fontNames[0])
self.lcdNumbersFont = QFont()
self.lcdNumbersFont.setPointSize(40)
#self.lcdStringFont = QFont(fontNames[0])
self.lcdStringFont = QFont()
self.lcdStringFont.setPointSize(35)
self.lcdStringFont.setItalic(True)
# self.lcdBoldFont = QFont(fontNames[0])
self.lcdBoldFont = QFont()
self.lcdBoldFont.setPointSize(50)
self.lcdBoldFont.setBold(True)
# Labels
dataLabel = QLabel("DATA")
dataLabel.setStyleSheet("""
QLabel {color:red}
""")
energyLabel = QLabel("ENERGY")
energyLabel.setStyleSheet("""
QLabel {color:red}
""")
powerLabel = QLabel("POWER")
powerLabel.setStyleSheet("""
QLabel {color:red}
""")
dataLabel.setFont(self.lcdBoldFont)
powerLabel.setFont(self.lcdBoldFont)
energyLabel.setFont(self.lcdBoldFont)
self.voltageLabel = QLabel("0.00")
self.voltageLabel.setFont(self.lcdNumbersFont)
self.voltageString = QLabel("V")
self.voltageString.setFont(self.lcdStringFont)
self.currentLabel = QLabel("0.00")
self.currentLabel.setFont(self.lcdNumbersFont)
self.currentString = QLabel("A")
self.currentString.setFont(self.lcdStringFont)
self.frequencyLabel = QLabel("0.00")
self.frequencyLabel.setFont(self.lcdNumbersFont)
self.frequencyString = QLabel("Hz")
self.frequencyString.setFont(self.lcdStringFont)
self.activeEnergyLabel = QLabel("0.00")
self.activeEnergyLabel.setFont(self.lcdNumbersFont)
self.activeEnergyString = QLabel("Wh")
self.activeEnergyString.setFont(self.lcdStringFont)
self.apparentEnergyLabel = QLabel("0.00")
self.apparentEnergyLabel.setFont(self.lcdNumbersFont)
self.apparentEnergyString = QLabel("VAh")
self.apparentEnergyString.setFont(self.lcdStringFont)
self.reactiveEnergyLabel = QLabel("0.00")
self.reactiveEnergyLabel.setFont(self.lcdNumbersFont)
self.reactiveEnergyString = QLabel("VARh")
self.reactiveEnergyString.setFont(self.lcdStringFont)
self.activePowerLabel = QLabel("0.00")
self.activePowerLabel.setFont(self.lcdNumbersFont)
self.activePowerString = QLabel("W")
self.activePowerString.setFont(self.lcdStringFont)
self.apparentPowerLabel = QLabel("0.00")
self.apparentPowerLabel.setFont(self.lcdNumbersFont)
self.apparentPowerString = QLabel("VA")
self.apparentPowerString.setFont(self.lcdStringFont)
self.reactivePowerLabel = QLabel("0.00")
self.reactivePowerLabel.setFont(self.lcdNumbersFont)
self.reactivePowerString = QLabel("VAR")
self.reactivePowerString.setFont(self.lcdStringFont)
# Horizontal lines
hline1 = self.HLine()
hline2 = self.HLine()
hline3 = self.HLine()
hline4 = self.HLine()
# Vertical lines
vline1 = self.VLine()
vline2 = self.VLine()
vline3 = self.VLine()
# Central grid layout for central widget
self.centralGridLayout = QGridLayout(self.centralWidget())
self.centralGridLayout.setHorizontalSpacing(20)
self.centralGridLayout.setVerticalSpacing(5)
# Add labels
self.centralGridLayout.addWidget(dataLabel,0,0,1,2, QtCore.Qt.AlignCenter)
self.centralGridLayout.addWidget(energyLabel,0,3,1,2, QtCore.Qt.AlignCenter)
self.centralGridLayout.addWidget(powerLabel,0,6,1,2, QtCore.Qt.AlignCenter)
self.centralGridLayout.addWidget(hline1, 1, 0, 1, -1)
self.centralGridLayout.addWidget(self.voltageLabel, 2, 0, 1, 1, QtCore.Qt.AlignLeft)
self.centralGridLayout.addWidget(self.voltageString, 2, 1, 1, 1, QtCore.Qt.AlignLeft)
self.centralGridLayout.addWidget(hline2, 3, 0, 1, -1)
self.centralGridLayout.addWidget(self.currentLabel, 4, 0, 1, 1, QtCore.Qt.AlignLeft)
self.centralGridLayout.addWidget(self.currentString, 4, 1, 1, 1, QtCore.Qt.AlignLeft)
self.centralGridLayout.addWidget(hline3, 5, 0, 1, -1)
self.centralGridLayout.addWidget(self.frequencyLabel, 6, 0, 1, 1, QtCore.Qt.AlignLeft)
self.centralGridLayout.addWidget(self.frequencyString, 6, 1, 1, 1, QtCore.Qt.AlignLeft)
self.centralGridLayout.addWidget(hline4, 7, 0, 1, -1)
self.centralGridLayout.addWidget(vline1, 0, 2, -1, 1)
self.centralGridLayout.addWidget(self.activeEnergyLabel, 2, 3, 1, 1, QtCore.Qt.AlignLeft)
self.centralGridLayout.addWidget(self.activeEnergyString, 2, 4, 1, 1, QtCore.Qt.AlignLeft)
self.centralGridLayout.addWidget(self.apparentEnergyLabel, 4, 3, 1, 1, QtCore.Qt.AlignLeft)
self.centralGridLayout.addWidget(self.apparentEnergyString, 4, 4, 1, 1, QtCore.Qt.AlignLeft)
self.centralGridLayout.addWidget(self.reactiveEnergyLabel, 6, 3, 1, 1, QtCore.Qt.AlignLeft)
self.centralGridLayout.addWidget(self.reactiveEnergyString, 6, 4, 1, 1, QtCore.Qt.AlignLeft)
self.centralGridLayout.addWidget(vline2, 0, 5, -1, 1)
self.centralGridLayout.addWidget(self.activePowerLabel, 2, 6, 1, 1, QtCore.Qt.AlignLeft)
self.centralGridLayout.addWidget(self.activePowerString, 2, 7, 1, 1, QtCore.Qt.AlignLeft)
self.centralGridLayout.addWidget(self.apparentPowerLabel, 4, 6, 1, 1, QtCore.Qt.AlignLeft)
self.centralGridLayout.addWidget(self.apparentPowerString, 4, 7, 1, 1, QtCore.Qt.AlignLeft)
self.centralGridLayout.addWidget(self.reactivePowerLabel, 6, 6, 1, 1, QtCore.Qt.AlignLeft)
self.centralGridLayout.addWidget(self.reactivePowerString, 6, 7, 1, 1, QtCore.Qt.AlignLeft)
# self.centralGridLayout.addWidget(vline3, 0, 8, -1, 1)
# Buttons
self.startStopButton = QPushButton("START")
self.startStopButton.setFont(self.lcdStringFont)
buttonPolicy = QSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed)
self.startStopButton.setSizePolicy(buttonPolicy)
self.startStopButton.clicked.connect(self.startStopClicked)
self.resetButton = QPushButton("RESET")
self.resetButton.setFont(self.lcdStringFont)
self.resetButton.setSizePolicy(buttonPolicy)
self.resetButton.clicked.connect(self.resetButtonClicked)
self.broadcastButton = QPushButton("BROADCAST")
self.broadcastButton.setFont(self.lcdStringFont)
self.broadcastButton.setSizePolicy(buttonPolicy)
self.broadcastButton.setCheckable(True)
self.broadcastButton.toggled.connect(self.broadcastButtonClicked)
self.centralGridLayout.addWidget(self.startStopButton, 8, 0, 1, 2)
self.centralGridLayout.addWidget(self.resetButton, 8, 3, 1, 2)
self.centralGridLayout.addWidget(self.broadcastButton, 8, 6, 1, 2)
# Status bar and show window
self.statusBar().showMessage('Ready')
self.setWindowTitle("ADE7753 Power Meter")
self.show()
# Button slots
def startStopClicked(self):
if(self._running):
self._running = False
self.startStopButton.setText("START")
self.startPressed.emit(False)
else:
self._running = True
self.startStopButton.setText("STOP")
self.startPressed.emit(True)
def resetButtonClicked(self):
self.resetPressed.emit()
def broadcastButtonClicked(self, s):
self.broadcastPressed.emit(s)
# Helper functions
def HLine(self):
line = QFrame()
line.setFrameStyle(QFrame.HLine)
line.setFrameShape(QFrame.HLine)
line.setFrameShadow(QFrame.Sunken)
return line
def VLine(self):
line = QFrame()
line.setFrameStyle(QFrame.VLine)
line.setFrameShape(QFrame.VLine)
line.setFrameShadow(QFrame.Sunken)
return line
