def run(self):
while True:
for port in self.ports:
if port in self.found: continue
try:
serial = SerialInterface(port, 115200)
serial.connectToArduino()
if serial.isConnected():
serial.serial_conn.timeout = 0.2 # read timeout of 200 millisecond
samples = serial.getSamples(20)
if samples:
serial.serial_conn.timeout = None
self.foundDevice.emit(port, serial)
self.found.append(port)
else:
serial.disconnect()
except Exception, e:
#print port, e
continue
finally:
if serial.isConnected() and not port in self.found:
class MainWindow(QtGui.QMainWindow):
def __init__(self):
QtGui.QMainWindow.__init__(self, None)
uic.loadUi('mainwindow.ui', self)
self.resize(700, 500)
self.plotWindow = PlotWindow()
self.stackedPlots.addWidget(self.plotWindow)
self.stackedPlots.setCurrentIndex(0)
self.actionRefresh.triggered[bool].connect(self.refreshList)
self.actionConnect.triggered[bool].connect(self.connectFromList)
self.actionDisconnect.triggered[bool].connect(self.disconnectFromCurrentDevice)
self.actionLock.toggled[bool].connect(self.hold)
self.actionViewAll.toggled[bool].connect(self.autoSet)
self.actionExport.triggered[bool].connect(self.exportData)
self.actionQuit.triggered[bool].connect(self.quitApp)
self.actionAbout.triggered[bool].connect(self.aboutApp)
self.listDevices.itemSelectionChanged.connect(self.deviceListChanged)
self.actionViewAll.setChecked(True)
self.autoSet(self.actionViewAll.isChecked())
self.ifaces = []
self.port = None
self.baud = 115200
self.iface = None
self.iface_thread = None
self.initDeviceFinder()
self.disableControls()
self.deviceListChanged()
self.statusBar().showMessage('Ready.')
def deviceListChanged(self):
if self.listDevices.count() > 0:
self.actionConnect.setEnabled(True)
self.enableControls()
else:
self.actionConnect.setEnabled(False)
self.disableControls()
def disableControls(self):
self.plotWindow.setEnabled(False)
self.actionDisconnect.setEnabled(False)
self.actionLock.setEnabled(False)
self.actionViewAll.setEnabled(False)
self.actionExport.setEnabled(False)
def enableControls(self):
self.plotWindow.setEnabled(True)
self.actionDisconnect.setEnabled(True)
self.actionLock.setEnabled(True)
self.actionViewAll.setEnabled(True)
self.actionExport.setEnabled(True)
def initDeviceFinder(self):
self.device_finder = DeviceFinder()
self.device_finder.foundDevice[str, SerialInterface].connect(self.gotNewDevice)
self.device_finder.start()
def gotNewDevice(self, port, iface):
self.port = port
self.listDevices.addItem(QtGui.QListWidgetItem(QtGui.QIcon('icons/device.png'), port))
self.ifaces.append(iface)
self.statusBar().showMessage('Found %d device(s).' % self.listDevices.count())
def startSampling(self):
self.iface_thread.start()
def stopSampling(self):
self.iface_thread.stop__()
self.iface_thread.exit()
def connectDevice(self):
if not self.iface:
self.iface = self.ifaces[self.listDevices.currentRow()]
if self.iface:
if not self.iface.isConnected():
self.iface = SerialInterface(self.port, self.baud)
self.iface.connectToArduino()
if not self.iface.serial_conn.isOpen():
self.iface.serial_conn.open()
if self.iface.isConnected():
if self.iface_thread:
del self.iface_thread
self.iface_thread = SerialThread(self.iface)
self.iface_thread.n_samples = 1000
self.iface_thread.gotSamples[tuple, int].connect(self.plotWindow.plotSamples)
#self.iface_thread.deviceDisconnected.connect(self.disconnectFromCurrentDevice)
self.startSampling()
return True
return False
def refreshList(self):
self.statusBar().showMessage('Searching...')
for i in range(0, self.listDevices.count()):
port = self.listDevices.item(i).text()
self.device_finder.found.remove(port)
self.listDevices.clear()
self.ifaces = []
def connectFromList(self):
self.actionConnect.setEnabled(False)
self.actionDisconnect.setEnabled(True)
self.actionRefresh.setEnabled(False)
#self.connectDevice(self.listDevices.currentItem().text())
if self.connectDevice():
self.enableControls()
else:
QtGui.QMessageBox.critical(self, 'Error', 'Cannot connect to the device, refresh the list')
def disconnectFromCurrentDevice(self):
self.actionConnect.setEnabled(True)
self.actionDisconnect.setEnabled(False)
self.actionRefresh.setEnabled(True)
self.disableControls()
try:
self.stopSampling()
self.iface.disconnect()
except:
pass
self.iface = None
self.plotWindow.plot_item_a.clear()
self.plotWindow.plot_item_p.clear()
def exportData(self):
self.plotWindow.scene().showExportDialog()
def hold(self, checked):
if checked:
self.stopSampling()
else:
self.connectDevice()
self.startSampling()
def autoSet(self, checked):
if checked:
self.plotWindow.plot_item_a.enableAutoRange()
self.plotWindow.plot_item_p.enableAutoRange()
else:
self.plotWindow.plot_item_a.disableAutoRange()
self.plotWindow.plot_item_p.disableAutoRange()
def quitApp(self):
try:
self.disconnectFromCurrentDevice()
except:
pass
QtGui.QApplication.exit(0)
def aboutApp(self):
QtGui.QMessageBox.about(self, 'About',
"""<b>Spectrum Analyzer</b><br>Computer Peripherals Interface Project<br><b>By:</b><br>Sherif Adel Radwan<br>Mahmoud Sayed Zainhom<br>Abdelrahman Ghanem Abdelrady""")
def closeEvent(self, event):
if self.iface:
self.iface.disconnect()
class MainWindow(QtGui.QMainWindow):
def __init__(self):
QtGui.QMainWindow.__init__(self, None)
uic.loadUi('mainwindow.ui', self)
self.resize(700, 500)
self.plotWindow = PlotWindow()
self.stackedPlots.addWidget(self.plotWindow)
self.stackedPlots.setCurrentIndex(0)
self.actionRefresh.triggered[bool].connect(self.refreshList)
self.actionConnect.triggered[bool].connect(self.connectFromList)
self.actionDisconnect.triggered[bool].connect(
self.disconnectFromCurrentDevice)
self.actionLock.toggled[bool].connect(self.hold)
self.actionViewAll.toggled[bool].connect(self.autoSet)
self.actionExport.triggered[bool].connect(self.exportData)
self.actionQuit.triggered[bool].connect(self.quitApp)
self.actionAbout.triggered[bool].connect(self.aboutApp)
self.listDevices.itemSelectionChanged.connect(self.deviceListChanged)
self.actionViewAll.setChecked(True)
self.autoSet(self.actionViewAll.isChecked())
self.ifaces = []
self.port = None
self.baud = 115200
self.iface = None
self.iface_thread = None
self.initDeviceFinder()
self.disableControls()
self.deviceListChanged()
self.statusBar().showMessage('Ready.')
def deviceListChanged(self):
if self.listDevices.count() > 0:
self.actionConnect.setEnabled(True)
self.enableControls()
else:
self.actionConnect.setEnabled(False)
self.disableControls()
def disableControls(self):
self.plotWindow.setEnabled(False)
self.actionDisconnect.setEnabled(False)
self.actionLock.setEnabled(False)
self.actionViewAll.setEnabled(False)
self.actionExport.setEnabled(False)
def enableControls(self):
self.plotWindow.setEnabled(True)
self.actionDisconnect.setEnabled(True)
self.actionLock.setEnabled(True)
self.actionViewAll.setEnabled(True)
self.actionExport.setEnabled(True)
def initDeviceFinder(self):
self.device_finder = DeviceFinder()
self.device_finder.foundDevice[str, SerialInterface].connect(
self.gotNewDevice)
self.device_finder.start()
def gotNewDevice(self, port, iface):
self.port = port
self.listDevices.addItem(
QtGui.QListWidgetItem(QtGui.QIcon('icons/device.png'), port))
self.ifaces.append(iface)
self.statusBar().showMessage('Found %d device(s).' %
self.listDevices.count())
def startSampling(self):
self.iface_thread.start()
def stopSampling(self):
self.iface_thread.stop__()
self.iface_thread.exit()
def connectDevice(self):
if not self.iface:
self.iface = self.ifaces[self.listDevices.currentRow()]
if self.iface:
if not self.iface.isConnected():
self.iface = SerialInterface(self.port, self.baud)
self.iface.connectToArduino()
if not self.iface.serial_conn.isOpen():
self.iface.serial_conn.open()
if self.iface.isConnected():
if self.iface_thread:
del self.iface_thread
self.iface_thread = SerialThread(self.iface)
self.iface_thread.n_samples = 1000
self.iface_thread.gotSamples[tuple, int].connect(
self.plotWindow.plotSamples)
#self.iface_thread.deviceDisconnected.connect(self.disconnectFromCurrentDevice)
self.startSampling()
return True
return False
def refreshList(self):
self.statusBar().showMessage('Searching...')
for i in range(0, self.listDevices.count()):
port = self.listDevices.item(i).text()
self.device_finder.found.remove(port)
self.listDevices.clear()
self.ifaces = []
def connectFromList(self):
self.actionConnect.setEnabled(False)
self.actionDisconnect.setEnabled(True)
self.actionRefresh.setEnabled(False)
#self.connectDevice(self.listDevices.currentItem().text())
if self.connectDevice():
self.enableControls()
else:
QtGui.QMessageBox.critical(
self, 'Error',
'Cannot connect to the device, refresh the list')
def disconnectFromCurrentDevice(self):
self.actionConnect.setEnabled(True)
self.actionDisconnect.setEnabled(False)
self.actionRefresh.setEnabled(True)
self.disableControls()
try:
self.stopSampling()
self.iface.disconnect()
except:
pass
self.iface = None
self.plotWindow.plot_item_a.clear()
self.plotWindow.plot_item_p.clear()
def exportData(self):
self.plotWindow.scene().showExportDialog()
def hold(self, checked):
if checked:
self.stopSampling()
else:
self.connectDevice()
self.startSampling()
def autoSet(self, checked):
if checked:
self.plotWindow.plot_item_a.enableAutoRange()
self.plotWindow.plot_item_p.enableAutoRange()
else:
self.plotWindow.plot_item_a.disableAutoRange()
self.plotWindow.plot_item_p.disableAutoRange()
def quitApp(self):
try:
self.disconnectFromCurrentDevice()
except:
pass
QtGui.QApplication.exit(0)
def aboutApp(self):
QtGui.QMessageBox.about(
self, 'About',
"""<b>Spectrum Analyzer</b><br>Computer Peripherals Interface Project<br><b>By:</b><br>Sherif Adel Radwan<br>Mahmoud Sayed Zainhom<br>Abdelrahman Ghanem Abdelrady"""
)
def closeEvent(self, event):
if self.iface:
self.iface.disconnect()
