Example #1
0
    def connect_to_server(self):
        if self.connected or self.listening:
            self.connect_pb.setChecked(True)
            return
        server_ip = str(self.server_ip_text.text())
        port = int(str(self.local_port_text.text()))
        print("Server IP: ", server_ip)
        if server_ip.find('xxx') != -1:
            print("bad IP")
            QMessageBox.about(
                self, 'Bad Server IP', 'Please give a correct Server IP\n'
                'IP is ' + server_ip)
            self.connect_pb.setChecked(False)
            return
        else:
            self.client_socket = QTcpSocket(self)
            print("Connecting to " + server_ip + ":", port)
            self.client_socket.connectToHost(server_ip, port)
            self.client_socket.waitForConnected(1000)
            self.client_socket.readyRead.connect(self.client_read)

        if self.client_socket.state() != QTcpSocket.ConnectedState:
            QMessageBox.about(
                self, 'Connection failed',
                'Please check IP address and port number\nIs the server running?'
            )
            self.connect_pb.setChecked(False)
            return

        print("Connection established")
        self.connect_pb.setText("Connected")
        self.client_server_tab.setTabEnabled(0, False)
        print("Connecting send button")
        self.send_button.clicked.connect(self.send_msg)
        self.connected = True
    def __init__(self):
        super().__init__()
        self.targetAddr = '0.0.0.0'
        self.targetPort = 0
        QSettings.setPath(QSettings.IniFormat, QSettings.UserScope,
                          QDir.currentPath())
        self.settings = QSettings(QSettings.IniFormat, QSettings.UserScope,
                                  'config')
        self.readSettings()

        self.connectionSettings = ConnectionSettings(self.targetAddr,
                                                     self.targetPort, self)
        self.connectionSettings.settingsChanged.connect(
            self.onConnectionSettingsSettingsChanged)
        self.socket = QTcpSocket(self)
        self.socket.stateChanged.connect(self.onSocketStateChanged)
        self.socket.readyRead.connect(self.onSocketReadyRead)
        self.frameLength = 0
        self.lastSocketState = QAbstractSocket.UnconnectedState
        self.animationTimer = QTimer(self)
        self.animationTimer.timeout.connect(self.onAnimationTimerTimeout)
        self.animationCounter = 0
        self.connectionTimer = QTimer(self)
        self.connectionTimer.setSingleShot(True)
        self.connectionTimer.timeout.connect(self.onConnectionTimerTimeout)
        self.dataExchangeTimer = QTimer(self)
        self.dataExchangeTimer.timeout.connect(self.onDataExchangeTimerTimeout)

        self.initUI()
        self.onConnectionSettingsSettingsChanged(self.targetAddr,
                                                 self.targetPort)
        self.onSocketStateChanged()
Example #3
0
    def __init__(self, args):
        super().__init__()
        self.socket = QTcpSocket()
        self.socket.connectToHost('localhost', args.port)
        self.socket.readyRead.connect(self.readFromEmotool)
        self.setAttribute(QtCore.Qt.WA_DeleteOnClose)
        self.setWindowTitle("EmoTool - {}".format(version()))
        self.main_widget = QtWidgets.QTabWidget(self)
        plot_tab = QtWidgets.QWidget(self.main_widget)
        self.main_widget.addTab(plot_tab, "plot")
        l = QtWidgets.QVBoxLayout(plot_tab)
        self.plot_widget = plot_widget = pg.PlotWidget()
        l.addWidget(plot_widget)
        self.plot_widget = plot_widget
        # TODO - make a menu action, not open by default
        c = pg.console.ConsoleWidget(namespace=globals(), text="test console")
        self.main_widget.addTab(c, "debug")
        self.main_widget.setFocus()
        self.setCentralWidget(self.main_widget)

        self.statusBar().showMessage("Starting", 2000)

        self.ticks = defaultdict(list)
        self.vals = defaultdict(list)
        self.data_items = defaultdict(pg.PlotDataItem)

        self.incoming = b''
        self.next_message_size = None
    def __init__(self):
        self.xsize = 512
        self.ysize = 512
        self.size = self.xsize * self.ysize
        self.freq = 125.0
        self.period = 200
        self.trgtime = 100
        self.trginv = 0
        self.shdelay = 1.5
        self.shtime = 0.1
        self.shinv = 0
        self.acqdelay = 10
        self.samples = 32
        self.pulses = 2
        self.idle = True
        self.socket = QTcpSocket()
        self.socket.connected.connect(self.connected)
        self.socket.readyRead.connect(self.read_data)
        # self.socket.error.connect(self.display_error)

        X, Y = np.meshgrid(np.arange(self.xsize),np.arange(self.ysize))
        self.xco = X
        self.yco = Y
        self.buffer = bytearray(8 * self.xsize*self.ysize)
        self.data = np.frombuffer(self.buffer, np.int32)
Example #5
0
    def __init__(self, ip='127.0.0.1', port=8888):
        super().__init__(flags=(Qt.FramelessWindowHint
                                | Qt.WindowStaysOnTopHint))

        print("test: ", Qt.WindowStaysOnTopHint)
        print("test: ", (Qt.FramelessWindowHint | Qt.WindowStaysOnTopHint))

        self.q_rect = QDesktopWidget().screenGeometry()
        self.ip = ip
        self.port = int(port)

        self.interval = 15
        self.fonts_size = 48

        self.danmaku_list = list()
        self.line_list = [
            None for _ in range(
                0,
                self.q_rect.height() // (self.fonts_size + self.interval))
        ]
        self.brush = MyBrush()
        self.timer = QTimer()
        self.socket = QTcpSocket(self)

        self.set_transparent()
        self.init_ui()
        self.init_net()
        self.set_timer()
Example #6
0
    def connect(self):
        if self.isConnectedToServer:
            return True

        self.sock = QTcpSocket(self)
        host_ip_addr = '192.168.1.150'
        port = 8080
        self.sock.connectToHost(host_ip_addr, port)

        if not self.sock.waitForConnected(2500):
            msg = self.sock.errorString()
            self.add_message(msg + '\n')
            QMessageBox.critical(self, "Error", msg)
            return False

        self.sock.connected.connect(self.on_socket_connected)
        self.sock.disconnected.connect(self.on_socket_disconnected)
        self.sock.readyRead.connect(self.on_socket_receive)
        self.sock.bytesWritten.connect(self.on_socket_transmit)

        self.add_message("Connected to {} on port {}\n".format(host_ip_addr, port))

        self.isConnectedToServer = True
        self.lineEdit.setEnabled(True)
        self.pushButton.setEnabled(True)

        return True
Example #7
0
    def __init__(self):
        """Constructor."""
        self.__tcpSocket = QTcpSocket()

        self.__name = ""

        super().__init__()  # Used at the end because it launches the app
Example #8
0
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)

        # Výroba ovládacích prvků
        self.connectButton = QPushButton(self, text="Start")
        self.connectButton.clicked.connect(self.connect)

        self.disconnectButton = QPushButton(self, text="Stop")
        self.disconnectButton.clicked.connect(self.disconnect)

        # Rozložení ovládacích prvků
        self.layout = QVBoxLayout(self)
        self.layout.addWidget(self.connectButton)
        self.layout.addWidget(self.disconnectButton)

        # Příprava TCP socketu
        self.socket = QTcpSocket(self)
        self.socket.readyRead.connect(self.read)
        self.socket.connected.connect(self.connected)
        self.readBuffer = bytearray()

        self.travellers = {}

        # Zobrazení
        self.setLayout(self.layout)
        self.show()
    def run(self):
        self.socket = QTcpSocket()
        self.myclientid1 = 0
        if not self.socket.setSocketDescriptor(self.socketId):
            self.error.connect(self.socket.error)
            return
        self.sinOut1.emit(
            str(self.socketId) + "#" +
            QDateTime.currentDateTime().toString("yyyy-MM-dd HH:mm:ss")
        )  #发送信号量 //建立连接

        while self.socket.state() == QAbstractSocket.ConnectedState:
            if (self.socket.waitForReadyRead(1000 * 60 * 10)
                    and self.socket.bytesAvailable() > 0):
                #waitForReadyRead(1000*60*10)说明,单位为毫秒,时间内等待接收数据,超时为假
                mygetdata = self.socket.readAll()
                mygetdata = bytes(mygetdata)
                #print(mygetdata)
                self.sinOut2.emit("get data:" + str(mygetdata))  #client发送来的数据
                #分析客户端数据中的ID值
                myclientid = self.myanalyseframe(mygetdata)

                if myclientid != 0 and myclientid != self.myclientid1:
                    self.myclientid1 = myclientid
                    # 利用client数据,标识处TCP连接的对象ID值,指令中的值
                    self.sinOut1.emit(
                        str(self.socketId) + "#" +
                        QDateTime.currentDateTime().toString(
                            "yyyy-MM-dd HH:mm:ss") + "#" + str(myclientid))

            else:
                self.senddata(self.socket, 'TCP time out')
                self.sinOut3.emit(str(self.socketId))  #超时,线程结束,删除前台listw中的条目

                return  #超时,线程结束
Example #10
0
    def __init__(self, sock_type='TCP Client', ip='127.0.0.1', port=2007):
        '''打开网络设备,建立连接
        ## sock_type:
           - 'TCP Client'
           - 'TCP Server'
           - 'UDP'
        '''
        self.sock_type = sock_type
        # self.ip = ip
        self.port = port

        if sock_type == 'TCP Client':
            tcp_client = QTcpSocket()
            tcp_client.connectToHost(ip, port)
            self.sock = tcp_client
        elif sock_type == 'TCP Server':
            tcp_server = QTcpServer()
            tcp_server.listen(QHostAddress(ip), port)
            self.sock = tcp_server

        elif sock_type == 'UDP':
            udp = QUdpSocket()
            udp.bind(QHostAddress(ip), port)
            self.sock = udp
        else:
            print('Unkonw sock_type=%r' % sock_type)
    def __init__(self):
        super(Client, self).__init__()
        self.resize(500, 450)
        # 1
        self.browser = QTextBrowser(self)
        self.edit = QTextEdit(self)

        self.splitter = QSplitter(self)
        self.splitter.setOrientation(Qt.Vertical)
        self.splitter.addWidget(self.browser)
        self.splitter.addWidget(self.edit)
        self.splitter.setSizes([350, 100])

        self.send_btn = QPushButton('Send', self)
        self.close_btn = QPushButton('Close', self)

        self.h_layout = QHBoxLayout()
        self.v_layout = QVBoxLayout()

        # 2
        self.sock = QTcpSocket(self)
        self.sock.connectToHost(QHostAddress.LocalHost, 8080)

        self.layout_init()
        self.signal_init()
Example #12
0
    def enterRoom(self):
        self.tcpSocket = QTcpSocket(self)
        self.tcpSocket.connectToHost(self.serverIP, self.port)

        self.tcpSocket.connected.connect(self.slotConnected)
        self.tcpSocket.readyRead.connect(self.slotDataReceived)
        self.tcpSocket.disconnected.connect(self.slotDisconnected)
        self.tcpSocket.error.connect(self.slotErrorOccured)
 def __init__(self, parent=None):
     super(TcpSocketClient, self).__init__()
     self.tcpSocketClient = QTcpSocket(parent)
     self.setIsConnected(False)
     self.setTcpClientID(0)
     self.setPeerFullAddrStr(str())
     self.tcpSocketClient.readyRead.connect(self.dataReceived)
     self.connectClientDisconnect(self.disConnected)
 def __init__(self, argv):
     super().__init__(argv)
     self.server = QTcpServer(self)
     self.server.setMaxPendingConnections(1)
     self.server.newConnection.connect(self.onNewConnection)
     self.server.listen(QHostAddress.Any, 6666)
     self.client = QTcpSocket(self)
     self.cap = cv2.VideoCapture(0)
Example #15
0
 def __init__(self):
   super(Scanner, self).__init__()
   self.setupUi(self)
   # IP address validator
   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.addrValue.setValidator(QRegExpValidator(rx, self.addrValue))
   # state variable
   self.idle = True
   # number of samples to show on the plot
   self.size = 512 * 512
   self.freq = 125.0
   # buffer and offset for the incoming samples
   self.buffer = bytearray(8 * self.size)
   self.offset = 0
   self.data = np.frombuffer(self.buffer, np.int32)
   # create figure
   figure = Figure()
   figure.set_facecolor('none')
   self.axes = figure.add_subplot(111)
   self.canvas = FigureCanvas(figure)
   self.plotLayout.addWidget(self.canvas)
   self.axes.axis((0.0, 512.0, 0.0, 512.0))
   x, y = np.meshgrid(np.linspace(0.0, 512.0, 513), np.linspace(0.0, 512.0, 513))
   z = x / 512.0 + y * 0.0
   self.mesh = self.axes.pcolormesh(x, y, z, cmap = cm.plasma)
   # create navigation toolbar
   self.toolbar = NavigationToolbar(self.canvas, self.plotWidget, False)
   # remove subplots action
   actions = self.toolbar.actions()
   if int(matplotlib.__version__[0]) < 2:
     self.toolbar.removeAction(actions[7])
   else:
     self.toolbar.removeAction(actions[6])
   self.plotLayout.addWidget(self.toolbar)
   # create TCP socket
   self.socket = QTcpSocket(self)
   self.socket.connected.connect(self.connected)
   self.socket.readyRead.connect(self.read_data)
   self.socket.error.connect(self.display_error)
   # connect signals from buttons and boxes
   self.connectButton.clicked.connect(self.start)
   self.scanButton.clicked.connect(self.scan)
   self.periodValue.valueChanged.connect(self.set_period)
   self.trgtimeValue.valueChanged.connect(self.set_trgtime)
   self.trginvCheck.stateChanged.connect(self.set_trginv)
   self.shdelayValue.valueChanged.connect(self.set_shdelay)
   self.shtimeValue.valueChanged.connect(self.set_shtime)
   self.shinvCheck.stateChanged.connect(self.set_shinv)
   self.acqdelayValue.valueChanged.connect(self.set_acqdelay)
   self.samplesValue.valueChanged.connect(self.set_samples)
   self.pulsesValue.valueChanged.connect(self.set_pulses)
   # create timers
   self.startTimer = QTimer(self)
   self.startTimer.timeout.connect(self.timeout)
   self.meshTimer = QTimer(self)
   self.meshTimer.timeout.connect(self.update_mesh)
   # set default values
   self.periodValue.setValue(200.0)
Example #16
0
 def __init__(self):
     super().__init__()
     self.tcpSocket = QTcpSocket(self)
     self.blockSize = 0
     self.makeRequest()
     self.tcpSocket.waitForConnected(1000)
     # send any message you like it could come from a widget text.
     self.tcpSocket.write(b'hello')
     self.tcpSocket.readyRead.connect(self.dealCommunication)
     self.tcpSocket.error.connect(self.displayError)
Example #17
0
    def __init__(self):
        super(Client, self).__init__()
        self.ui = Ui_Form()
        self.ui.setupUi(self)
        self.file = QFile()

        self.tcpsocket = QTcpSocket()
        self.ui.pushButton_Connect.clicked.connect(self.ConnectToServer)
        self.tcpsocket.connected.connect(self.SuccessConnect)
        self.tcpsocket.readyRead.connect(self.HandleReceive)
Example #18
0
 def dealSocket(self):
     tcpSocket = QTcpSocket()  #通信套接字
     if tcpSocket.setSocketDescriptor(self.socket):
         socktList.append(tcpSocket)
         # QTcpSocket缓存接收到新的数据时触发readyRead
         tcpSocket.readyRead.connect(lambda: dealRecvMsgE(tcpSocket))
         # 断开连接时
         tcpSocket.disconnected.connect(lambda: dealDisconnect(tcpSocket))
     else:
         print("出错了")
Example #19
0
 def __init__(self, gui):
     SessionManager.__init__(self, gui)
     self.session_type = SessionType.STUDENT
     self.gui = gui
     self.running = False
     self.teacher_socket = QTcpSocket(
     )  # this socket connects to the teacher
     self.teacher_paused_at = None  # pause time if session is paused; None otherwise
     self.traffic = []  # FgmsAircraft list
     self.known_METAR = None
Example #20
0
 def __init__(self, request_handler_instance):
     QObject.__init__(self)
     self.socket = QTcpSocket(self)
     self.connectionAttempts = 1
     self.socket.readyRead.connect(self.onData)
     self.socket.error.connect(self.onSocketError)
     self.request_handler_instance = request_handler_instance
     self.nextid = 1
     self.callbacks_result = {}
     self.callbacks_error = {}
     self.buffer = b''
Example #21
0
 def __init__(self, parent=None):
     super().__init__(parent)
     self.main = parent
     # Die Membervariable tcpSocket verwaltet den Kommunikationskanal zum Server.
     self.tcpSocket = QTcpSocket(self)
     # In der connectToHost-Routine muss die IP-Adresse des Servers eingetragen werden.
     # Hier steht zurzeit nur die localhost Adresse: 127.0.0.1
     self.tcpSocket.connectToHost('127.0.0.1', 40890)
     self.tcpSocket.readyRead.connect(self.readData)
     self.mx = None
     self.my = None
Example #22
0
class TcpClient(QObject):
    finished = pyqtSignal()
    connected = pyqtSignal()
    connectionLost = pyqtSignal()
    interpretCmd = pyqtSignal(str)

    def __init__(self):
        super(TcpClient, self).__init__()
        self.__tcp_socket = None
        self.connectionLost.connect(self.finished)
        self.connectionLost.connect(
            lambda: print('## Disconnected from the robot ##'))

    @pyqtSlot()
    def start_client(self):
        print(f'## Connecting to robot at IP: {WIFI_IP}, PORT: {WIFI_PORT} ##')
        self.__tcp_socket = QTcpSocket()
        self.__tcp_socket.disconnected.connect(self.connectionLost)
        self.__tcp_socket.readyRead.connect(self.read_ready)
        self.__tcp_socket.connected.connect(self.connected)
        self.__tcp_socket.connectToHost(WIFI_IP, WIFI_PORT)
        if not self.__tcp_socket.waitForConnected(TIMEOUT_MSEC):
            print(
                f'## Timeout! {TIMEOUT_MSEC/1000}s has passed and it still hasn\'t connect ##'
            )
            self.__tcp_socket.disconnectFromHost()
            self.finished.emit()
        else:
            print(
                f'## Connected to robot at IP: {WIFI_IP}, PORT: {WIFI_PORT} ##'
            )

    def stop_client(self):
        if self.__tcp_socket is not None:
            self.__tcp_socket.disconnectFromHost()
            self.finished.emit()

    @pyqtSlot()
    def read_ready(self):
        try:
            data = self.__tcp_socket.readAll()
            self.interpretCmd.emit(str(data, "utf-8").strip())
        except Exception as err:
            print(f'tcpClient::read_ready() error msg: {err}')

    @pyqtSlot(str)
    def send_message(self, payload):
        try:
            # Example message: 'FP|tr'
            # self.__tcp_socket.write(QByteArray().append(json.dumps({'target': 'ARD', 'payload': 'hi'})))
            self.__tcp_socket.write(QByteArray().append(payload))
            # self.__tcp_socket.flush()
        except Exception as err:
            print(f'tcpClient::send_message() error msg: {err}')
Example #23
0
    def __init__(self):
        super(TcpClient, self).__init__()
        self.ui = Ui_Form()
        self.ui.setupUi(self)

        self.tcpSocket = QTcpSocket(self)
        self.ui.connectButton.clicked.connect(self.buttonConnect)
        self.tcpSocket.connected.connect(self.sucessConnect)
        self.ui.sendButton.clicked.connect(self.sendMessage)
        self.tcpSocket.readyRead.connect(self.showMessage)
        self.ui.closeButton.clicked.connect(self.closeConnect)
Example #24
0
    def __init__(self):
        super(TcpServer, self).__init__()
        self.ui = Ui_Form()
        self.ui.setupUi(self)

        self.tcpServer = QTcpServer(self)  #指定父对象自动回收空间 监听套接字
        self.tcpSocket = QTcpSocket(self)  #通信套接字

        self.tcpServer.listen(QHostAddress.Any, 8888)  #any默认绑定当前网卡的所有IP
        self.tcpServer.newConnection.connect(self.handleNewConnection)
        self.ui.sendButton.clicked.connect(self.sendMessage)
        self.ui.closeButton.clicked.connect(self.closeConnect)
 def connect(self, remoteAddress, port):
     """Establishes a connection with the IDE"""
     self.__socket = QTcpSocket()
     if remoteAddress is None:
         self.__socket.connectToHost(QHostAddress.LocalHost, port)
     else:
         self.__socket.connectToHost(remoteAddress, port)
     if not self.__socket.waitForConnected(1000):
         raise Exception('Cannot connect to the IDE')
     self.__socket.setSocketOption(QAbstractSocket.KeepAliveOption, 1)
     self.__socket.setSocketOption(QAbstractSocket.LowDelayOption, 1)
     self.__socket.disconnected.connect(self.__onDisconnected)
Example #26
0
 def __init__(self, parent=None):
     super(Voltmeter, self).__init__(parent)
     self.setupUi(self)
     self.needle = QwtDialSimpleNeedle(QwtDialSimpleNeedle.Arrow)
     self.Dial.setNeedle(self.needle)
     self.Dial.setValue(1.5)
     self.lcdNumber.display(1.5)
     self.actionQuit.triggered.connect(self.quit)
     self.connect_pb.clicked.connect(self.connect)
     self.calib = 3.3 / 256
     self.client_socket = QTcpSocket(self)
     self.connected = False
Example #27
0
    def run(self):
        print("新连接进入")
        self.clientSocket = QTcpSocket()

        self.clientSocket.connectToHost(QHostAddress(self.ip), self.port)
        clientSocketList.append((self.clientSocket, self.ip, self.port))
        self.clientSocket.connected.connect(lambda: print("连接成功"))

        self.clientSocket.readyRead.connect(lambda:self.handle_read(self.clientSocket),Qt.DirectConnection)

        self.clientSocket.disconnected.connect(self.dealDisconnected,Qt.DirectConnection)
        self.exec()
Example #28
0
 def __init__(self, host, port):
     super().__init__()
     self.tcpSocket = QTcpSocket()
     self.blockSize = 0
     self.host = host
     self.port = port
     self.jim = None
     self.connected = False
     self.chat_list = []
     self.online_users = []
     self.active_chat = ''
     self.logon()
Example #29
0
    def invoke_query_of_smhub(self):
        self.sock = QTcpSocket()
        self.sock.error.connect(self.on_tcp_error)
        self.sock.readyRead.connect(self.on_ready_read)

        try:
            self.sock.connectToHost(self.smarthubIP, 9990)
            if not self.sock.waitForConnected(1000):
                errstr = "Error Communicating with SmartHub"
                print(errstr)
        except:
            print(self.sock.SocketError())
Example #30
0
    def __init__(self, args):
        super().__init__()
        self.socket = QTcpSocket()
        self.socket.connectToHost('localhost', args.port)
        self.socket.readyRead.connect(self.readFromEmotool)
        self.setAttribute(QtCore.Qt.WA_DeleteOnClose)
        self.setWindowTitle("EmoTool - {}".format(version()))
        self.main_widget = QtWidgets.QTabWidget(self)
        plot_tab = QtWidgets.QWidget(self.main_widget)
        self.main_widget.addTab(plot_tab, "plot")
        l = QtWidgets.QVBoxLayout(plot_tab)
        self.plot_widget = plot_widget = pg.PlotWidget()
        l.addWidget(plot_widget)
        self.plot_widget = plot_widget
        # TODO - make a menu action, not open by default
        c = pg.console.ConsoleWidget(namespace=globals(), text="test console")
        self.main_widget.addTab(c, "debug")
        self.main_widget.setFocus()
        self.setCentralWidget(self.main_widget)

        self.statusBar().showMessage("Starting", 2000)

        self.ticks = defaultdict(list)
        self.vals = defaultdict(list)
        self.data_items = defaultdict(pg.PlotDataItem)

        self.incoming = b''
        self.next_message_size = None
Example #31
0
 def __init__(self):
   super(Scanner, self).__init__()
   self.setupUi(self)
   # IP address validator
   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.addrValue.setValidator(QRegExpValidator(rx, self.addrValue))
   # state variable
   self.idle = True
   # number of samples to show on the plot
   self.size = 512 * 512
   self.freq = 143.0
   # buffer and offset for the incoming samples
   self.buffer = bytearray(8 * self.size)
   self.offset = 0
   self.data = np.frombuffer(self.buffer, np.int32)
   # create figure
   figure = Figure()
   figure.set_facecolor('none')
   self.axes = figure.add_subplot(111)
   self.canvas = FigureCanvas(figure)
   self.plotLayout.addWidget(self.canvas)
   self.axes.axis((0.0, 512.0, 0.0, 512.0))
   x, y = np.meshgrid(np.linspace(0.0, 512.0, 513), np.linspace(0.0, 512.0, 513))
   z = x / 512.0 + y * 0.0
   self.mesh = self.axes.pcolormesh(x, y, z, cmap = cm.plasma)
   # create navigation toolbar
   self.toolbar = NavigationToolbar(self.canvas, self.plotWidget, False)
   # remove subplots action
   actions = self.toolbar.actions()
   if int(matplotlib.__version__[0]) < 2:
     self.toolbar.removeAction(actions[7])
   else:
     self.toolbar.removeAction(actions[6])
   self.plotLayout.addWidget(self.toolbar)
   # create TCP socket
   self.socket = QTcpSocket(self)
   self.socket.connected.connect(self.connected)
   self.socket.readyRead.connect(self.read_data)
   self.socket.error.connect(self.display_error)
   # connect signals from buttons and boxes
   self.connectButton.clicked.connect(self.start)
   self.scanButton.clicked.connect(self.scan)
   self.periodValue.valueChanged.connect(self.set_period)
   self.trgtimeValue.valueChanged.connect(self.set_trgtime)
   self.trginvCheck.stateChanged.connect(self.set_trginv)
   self.shdelayValue.valueChanged.connect(self.set_shdelay)
   self.shtimeValue.valueChanged.connect(self.set_shtime)
   self.shinvCheck.stateChanged.connect(self.set_shinv)
   self.acqdelayValue.valueChanged.connect(self.set_acqdelay)
   self.samplesValue.valueChanged.connect(self.set_samples)
   self.pulsesValue.valueChanged.connect(self.set_pulses)
   # create timers
   self.startTimer = QTimer(self)
   self.startTimer.timeout.connect(self.timeout)
   self.meshTimer = QTimer(self)
   self.meshTimer.timeout.connect(self.update_mesh)
   # set default values
   self.periodValue.setValue(200.0)
Example #32
0
class Client(QObject):

    def __init__(self, parent=None):
        super().__init__(parent)
        self.log = logging.getLogger(__name__)
        self._socket_setup()

    def _socket_setup(self):
        self.socket = QTcpSocket(self)
        self.socket.setSocketOption(QTcpSocket.KeepAliveOption, 1)

        self.socket.connected.connect(self.on_connected)
        self.socket.disconnected.connect(self.on_disconnected)
        self.socket.readyRead.connect(self.on_readyRead)
        self.socket.error.connect(self.on_error)
        self.socket.stateChanged.connect(self.on_stateChanged)

    def connect(self, host=HOST, port=PORT):
        if not self.socket.isOpen():
            self.log.info('connecting to {}:{}'.format(host, port))
            self.socket.connectToHost(QHostAddress(host), port)

    def disconnect(self):
        self.log.info('disconnecting')
        self.socket.disconnectFromHost()

    def on_readyRead(self):
        data = bytes()
        while self.socket.bytesAvailable():
            data += self.socket.read(1024)

        self.log.debug(data)

    def on_connected(self):
        self.log.info('connected')

    def on_disconnected(self):
        self.log.info('disconnected')

    def on_error(self, error):
        self.log.error('error {}: {}'.format(error, self.socket.errorString()))

    def on_stateChanged(self, state):
        states = ['Unconnected', 'HostLookup', 'Connecting', 'Connected', 'Bound', 'Closing', 'Listening']
        self.log.debug('state changed to {}'.format(states[state]))
Example #33
0
    def _socket_setup(self):
        self.socket = QTcpSocket(self)
        self.socket.setSocketOption(QTcpSocket.KeepAliveOption, 1)

        self.socket.connected.connect(self.on_connected)
        self.socket.disconnected.connect(self.on_disconnected)
        self.socket.readyRead.connect(self.on_readyRead)
        self.socket.error.connect(self.on_error)
        self.socket.stateChanged.connect(self.on_stateChanged)
Example #34
0
 def __init__(self, socket=None):
     super(TcpClient, self).__init__()
     self.is_connected = False
     if socket is None:
         self.socket = QTcpSocket()
     else:
         self.socket = socket
     self.socket.error.connect(self.error)
     self.socket.connected.connect(self.connected)
     self.socket.disconnected.connect(self.disconnected)
     self.socket.readyRead.connect(self.readyRead)
    def run(self):
        tcpSocket = QTcpSocket()
        if not tcpSocket.setSocketDescriptor(self.socketDescriptor):
            self.error.emit(tcpSocket.error())
            return

        block = QByteArray()
        outstr = QDataStream(block, QIODevice.WriteOnly)
        outstr.setVersion(QDataStream.Qt_4_0)
        outstr.writeUInt16(0)
        outstr.writeQString(self.text)
        outstr.device().seek(0)
        outstr.writeUInt16(block.size() - 2)

        tcpSocket.write(block)
        tcpSocket.disconnectFromHost()
        tcpSocket.waitForDisconnected()
Example #36
0
    class TcpClient(QObject):
        def __init__(self, socket=None):
            super(TcpClient, self).__init__()
            self.is_connected = False
            if socket is None:
                self.socket = QTcpSocket()
            else:
                self.socket = socket
            self.socket.error.connect(self.error)
            self.socket.connected.connect(self.connected)
            self.socket.disconnected.connect(self.disconnected)
            self.socket.readyRead.connect(self.readyRead)

        @pyqtSlot()
        def error(self):
            print self.socket.errorString()

        @pyqtSlot()
        def connected(self):
            self.is_connected = True
            print 'TcpClient connected'

        @pyqtSlot()
        def disconnected(self):
            self.is_connected = False
            print 'TcpClient disconnected'

        @pyqtSlot()
        def readyRead(self):
            data = self.socket.readAll()
            self.parse_data(data)

        def connectToHost(self, host, port):
            print 'Trying to connect to host', host, 'at port', port
            self.socket.connectToHost(host, port)

        def disconnectFromHost(self):
            self.socket.disconnectFromHost()

        def write(self, buf):
            self.socket.write(buf)

        def parse_data(self, data):
            # Placeholder function; override it with your own implementation
            print str(data).strip()
Example #37
0
 def __init__(self):
   super(PulsedNMR, self).__init__()
   self.setupUi(self)
   self.rateValue.addItems(['25', '50', '250', '500', '2500'])
   # IP address validator
   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.addrValue.setValidator(QRegExpValidator(rx, self.addrValue))
   # state variable
   self.idle = True
   # number of samples to show on the plot
   self.size = 50000
   # buffer and offset for the incoming samples
   self.buffer = bytearray(8 * self.size)
   self.offset = 0
   self.data = np.frombuffer(self.buffer, np.complex64)
   # create figure
   figure = Figure()
   figure.set_facecolor('none')
   self.axes = figure.add_subplot(111)
   self.canvas = FigureCanvas(figure)
   self.plotLayout.addWidget(self.canvas)
   # create navigation toolbar
   self.toolbar = NavigationToolbar(self.canvas, self.plotWidget, False)
   # remove subplots action
   actions = self.toolbar.actions()
   self.toolbar.removeAction(actions[7])
   self.plotLayout.addWidget(self.toolbar)
   # create TCP socket
   self.socket = QTcpSocket(self)
   self.socket.connected.connect(self.connected)
   self.socket.readyRead.connect(self.read_data)
   self.socket.error.connect(self.display_error)
   # connect signals from buttons and boxes
   self.startButton.clicked.connect(self.start)
   self.freqValue.valueChanged.connect(self.set_freq)
   self.awidthValue.valueChanged.connect(self.set_awidth)
   self.deltaValue.valueChanged.connect(self.set_delta)
   self.rateValue.currentIndexChanged.connect(self.set_rate)
   # set rate
   self.rateValue.setCurrentIndex(2)
   # create timer for the repetitions
   self.timer = QTimer(self)
   self.timer.timeout.connect(self.fire)
Example #38
0
    def __init__(self, parent=None):
        super(Dialog, self).__init__(parent)

        self.tcpServer = QTcpServer()
        self.tcpClient = QTcpSocket()
        self.bytesToWrite = 0
        self.bytesWritten = 0
        self.bytesReceived = 0

        self.clientProgressBar = QProgressBar()
        self.clientStatusLabel = QLabel("Client ready")
        self.serverProgressBar = QProgressBar()
        self.serverStatusLabel = QLabel("Server ready")

        self.startButton = QPushButton("&Start")
        self.quitButton = QPushButton("&Quit")

        buttonBox = QDialogButtonBox()
        buttonBox.addButton(self.startButton, QDialogButtonBox.ActionRole)
        buttonBox.addButton(self.quitButton, QDialogButtonBox.RejectRole)

        self.startButton.clicked.connect(self.start)
        self.quitButton.clicked.connect(self.close)
        self.tcpServer.newConnection.connect(self.acceptConnection)
        self.tcpClient.connected.connect(self.startTransfer)
        self.tcpClient.bytesWritten.connect(self.updateClientProgress)
        self.tcpClient.error.connect(self.displayError)

        mainLayout = QVBoxLayout()
        mainLayout.addWidget(self.clientProgressBar)
        mainLayout.addWidget(self.clientStatusLabel)
        mainLayout.addWidget(self.serverProgressBar)
        mainLayout.addWidget(self.serverStatusLabel)
        mainLayout.addStretch(1)
        mainLayout.addSpacing(10)
        mainLayout.addWidget(buttonBox)
        self.setLayout(mainLayout)

        self.setWindowTitle("Loopback")
Example #39
0
    def __init__(self, *args):
        super(Main, self).__init__(*args)

        loadUi('mainwindow.ui', self)

        self.host.setText("localhost")
        self.port.setText("11010")
        self.prompt.setText("M114")

        self.conn = QTcpSocket(self)
        self.conn.readyRead.connect(self.readSocket)
        self.conn.error.connect(self.socketError)
        self.conn.connected.connect(self.socketConnect)
        self.conn.disconnected.connect(self.socketDisconnect)

        self.connected = False

        self.actionSave.triggered.connect(self.save)

        self.prompt.setFocus()

        self.do_connect()
Example #40
0
class Dialog(QDialog):
    TotalBytes = 50 * 1024 * 1024
    PayloadSize = 65536

    def __init__(self, parent=None):
        super(Dialog, self).__init__(parent)

        self.tcpServer = QTcpServer()
        self.tcpClient = QTcpSocket()
        self.bytesToWrite = 0
        self.bytesWritten = 0
        self.bytesReceived = 0

        self.clientProgressBar = QProgressBar()
        self.clientStatusLabel = QLabel("Client ready")
        self.serverProgressBar = QProgressBar()
        self.serverStatusLabel = QLabel("Server ready")

        self.startButton = QPushButton("&Start")
        self.quitButton = QPushButton("&Quit")

        buttonBox = QDialogButtonBox()
        buttonBox.addButton(self.startButton, QDialogButtonBox.ActionRole)
        buttonBox.addButton(self.quitButton, QDialogButtonBox.RejectRole)

        self.startButton.clicked.connect(self.start)
        self.quitButton.clicked.connect(self.close)
        self.tcpServer.newConnection.connect(self.acceptConnection)
        self.tcpClient.connected.connect(self.startTransfer)
        self.tcpClient.bytesWritten.connect(self.updateClientProgress)
        self.tcpClient.error.connect(self.displayError)

        mainLayout = QVBoxLayout()
        mainLayout.addWidget(self.clientProgressBar)
        mainLayout.addWidget(self.clientStatusLabel)
        mainLayout.addWidget(self.serverProgressBar)
        mainLayout.addWidget(self.serverStatusLabel)
        mainLayout.addStretch(1)
        mainLayout.addSpacing(10)
        mainLayout.addWidget(buttonBox)
        self.setLayout(mainLayout)

        self.setWindowTitle("Loopback")

    def start(self):
        self.startButton.setEnabled(False)

        QApplication.setOverrideCursor(Qt.WaitCursor)

        self.bytesWritten = 0
        self.bytesReceived = 0

        while not self.tcpServer.isListening() and not self.tcpServer.listen():
            ret = QMessageBox.critical(self, "Loopback",
                    "Unable to start the test: %s." % self.tcpServer.errorString(),
                    QMessageBox.Retry | QMessageBox.Cancel)
            if ret == QMessageBox.Cancel:
                return

        self.serverStatusLabel.setText("Listening")
        self.clientStatusLabel.setText("Connecting")

        self.tcpClient.connectToHost(QHostAddress(QHostAddress.LocalHost), self.tcpServer.serverPort())

    def acceptConnection(self):
        self.tcpServerConnection = self.tcpServer.nextPendingConnection()
        self.tcpServerConnection.readyRead.connect(self.updateServerProgress)
        self.tcpServerConnection.error.connect(self.displayError)

        self.serverStatusLabel.setText("Accepted connection")
        self.tcpServer.close()

    def startTransfer(self):
        self.bytesToWrite = Dialog.TotalBytes - self.tcpClient.write(QByteArray(Dialog.PayloadSize, '@'))
        self.clientStatusLabel.setText("Connected")

    def updateServerProgress(self):
        self.bytesReceived += self.tcpServerConnection.bytesAvailable()
        self.tcpServerConnection.readAll()

        self.serverProgressBar.setMaximum(Dialog.TotalBytes)
        self.serverProgressBar.setValue(self.bytesReceived)
        self.serverStatusLabel.setText("Received %dMB" % (self.bytesReceived / (1024 * 1024)))

        if self.bytesReceived == Dialog.TotalBytes:
            self.tcpServerConnection.close()
            self.startButton.setEnabled(True)
            QApplication.restoreOverrideCursor()

    def updateClientProgress(self, numBytes):
        self.bytesWritten += numBytes
        if self.bytesToWrite > 0:
            self.bytesToWrite -= self.tcpClient.write(QByteArray(
                                        min(self.bytesToWrite, Dialog.PayloadSize), '@'))

        self.clientProgressBar.setMaximum(Dialog.TotalBytes)
        self.clientProgressBar.setValue(self.bytesWritten)
        self.clientStatusLabel.setText("Sent %dMB" % (self.bytesWritten / (1024 * 1024)))

    def displayError(self, socketError):
        if socketError == QTcpSocket.RemoteHostClosedError:
            return

        QMessageBox.information(self, "Network error",
                "The following error occured: %s." % self.tcpClient.errorString())

        self.tcpClient.close()
        self.tcpServer.close()
        self.clientProgressBar.reset()
        self.serverProgressBar.reset()
        self.clientStatusLabel.setText("Client ready")
        self.serverStatusLabel.setText("Server ready")
        self.startButton.setEnabled(True)
        QApplication.restoreOverrideCursor()
Example #41
0
 def __init__(self):
   super(VNA, self).__init__()
   self.setupUi(self)
   # IP address validator
   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.addrValue.setValidator(QRegExpValidator(rx, self.addrValue))
   # state variables
   self.idle = True
   self.reading = False
   # sweep parameters
   self.sweep_start = 100
   self.sweep_stop = 60000
   self.sweep_size = 600
   self.xaxis, self.sweep_step = np.linspace(self.sweep_start, self.sweep_stop, self.sweep_size, retstep = True)
   self.xaxis *= 1000
   # buffer and offset for the incoming samples
   self.buffer = bytearray(24 * VNA.max_size)
   self.offset = 0
   self.data = np.frombuffer(self.buffer, np.complex64)
   self.adc1 = np.zeros(VNA.max_size, np.complex64)
   self.adc2 = np.zeros(VNA.max_size, np.complex64)
   self.dac1 = np.zeros(VNA.max_size, np.complex64)
   self.open = np.zeros(VNA.max_size, np.complex64)
   self.short = np.zeros(VNA.max_size, np.complex64)
   self.load = np.zeros(VNA.max_size, np.complex64)
   self.dut = np.zeros(VNA.max_size, np.complex64)
   self.mode = 'dut'
   # create figure
   self.figure = Figure()
   self.figure.set_facecolor('none')
   self.canvas = FigureCanvas(self.figure)
   self.plotLayout.addWidget(self.canvas)
   # create navigation toolbar
   self.toolbar = NavigationToolbar(self.canvas, self.plotWidget, False)
   # initialize cursor
   self.cursor = None
   # remove subplots action
   actions = self.toolbar.actions()
   self.toolbar.removeAction(actions[7])
   self.plotLayout.addWidget(self.toolbar)
   # create TCP socket
   self.socket = QTcpSocket(self)
   self.socket.connected.connect(self.connected)
   self.socket.readyRead.connect(self.read_data)
   self.socket.error.connect(self.display_error)
   # connect signals from buttons and boxes
   self.sweepFrame.setEnabled(False)
   self.dutSweep.setEnabled(False)
   self.connectButton.clicked.connect(self.start)
   self.writeButton.clicked.connect(self.write_cfg)
   self.readButton.clicked.connect(self.read_cfg)
   self.openSweep.clicked.connect(self.sweep_open)
   self.shortSweep.clicked.connect(self.sweep_short)
   self.loadSweep.clicked.connect(self.sweep_load)
   self.dutSweep.clicked.connect(self.sweep_dut)
   self.csvButton.clicked.connect(self.write_csv)
   self.s1pButton.clicked.connect(self.write_s1p)
   self.s2pButton.clicked.connect(self.write_s2p)
   self.startValue.valueChanged.connect(self.set_start)
   self.stopValue.valueChanged.connect(self.set_stop)
   self.sizeValue.valueChanged.connect(self.set_size)
   self.rateValue.addItems(['500', '100', '50', '10', '5', '1'])
   self.rateValue.lineEdit().setReadOnly(True)
   self.rateValue.lineEdit().setAlignment(Qt.AlignRight)
   for i in range(0, self.rateValue.count()):
     self.rateValue.setItemData(i, Qt.AlignRight, Qt.TextAlignmentRole)
   self.rateValue.currentIndexChanged.connect(self.set_rate)
   self.corrValue.valueChanged.connect(self.set_corr)
   self.levelValue.valueChanged.connect(self.set_level)
   self.openPlot.clicked.connect(self.plot_open)
   self.shortPlot.clicked.connect(self.plot_short)
   self.loadPlot.clicked.connect(self.plot_load)
   self.dutPlot.clicked.connect(self.plot_dut)
   self.smithPlot.clicked.connect(self.plot_smith)
   self.impPlot.clicked.connect(self.plot_imp)
   self.rcPlot.clicked.connect(self.plot_rc)
   self.swrPlot.clicked.connect(self.plot_swr)
   self.rlPlot.clicked.connect(self.plot_rl)
   self.gainPlot.clicked.connect(self.plot_gain)
   # create timer
   self.startTimer = QTimer(self)
   self.startTimer.timeout.connect(self.timeout)
Example #42
0
class VNA(QMainWindow, Ui_VNA):

  max_size = 16384

  def __init__(self):
    super(VNA, self).__init__()
    self.setupUi(self)
    # IP address validator
    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.addrValue.setValidator(QRegExpValidator(rx, self.addrValue))
    # state variables
    self.idle = True
    self.reading = False
    # sweep parameters
    self.sweep_start = 100
    self.sweep_stop = 60000
    self.sweep_size = 600
    self.xaxis, self.sweep_step = np.linspace(self.sweep_start, self.sweep_stop, self.sweep_size, retstep = True)
    self.xaxis *= 1000
    # buffer and offset for the incoming samples
    self.buffer = bytearray(24 * VNA.max_size)
    self.offset = 0
    self.data = np.frombuffer(self.buffer, np.complex64)
    self.adc1 = np.zeros(VNA.max_size, np.complex64)
    self.adc2 = np.zeros(VNA.max_size, np.complex64)
    self.dac1 = np.zeros(VNA.max_size, np.complex64)
    self.open = np.zeros(VNA.max_size, np.complex64)
    self.short = np.zeros(VNA.max_size, np.complex64)
    self.load = np.zeros(VNA.max_size, np.complex64)
    self.dut = np.zeros(VNA.max_size, np.complex64)
    self.mode = 'dut'
    # create figure
    self.figure = Figure()
    self.figure.set_facecolor('none')
    self.canvas = FigureCanvas(self.figure)
    self.plotLayout.addWidget(self.canvas)
    # create navigation toolbar
    self.toolbar = NavigationToolbar(self.canvas, self.plotWidget, False)
    # initialize cursor
    self.cursor = None
    # remove subplots action
    actions = self.toolbar.actions()
    self.toolbar.removeAction(actions[7])
    self.plotLayout.addWidget(self.toolbar)
    # create TCP socket
    self.socket = QTcpSocket(self)
    self.socket.connected.connect(self.connected)
    self.socket.readyRead.connect(self.read_data)
    self.socket.error.connect(self.display_error)
    # connect signals from buttons and boxes
    self.sweepFrame.setEnabled(False)
    self.dutSweep.setEnabled(False)
    self.connectButton.clicked.connect(self.start)
    self.writeButton.clicked.connect(self.write_cfg)
    self.readButton.clicked.connect(self.read_cfg)
    self.openSweep.clicked.connect(self.sweep_open)
    self.shortSweep.clicked.connect(self.sweep_short)
    self.loadSweep.clicked.connect(self.sweep_load)
    self.dutSweep.clicked.connect(self.sweep_dut)
    self.csvButton.clicked.connect(self.write_csv)
    self.s1pButton.clicked.connect(self.write_s1p)
    self.s2pButton.clicked.connect(self.write_s2p)
    self.startValue.valueChanged.connect(self.set_start)
    self.stopValue.valueChanged.connect(self.set_stop)
    self.sizeValue.valueChanged.connect(self.set_size)
    self.rateValue.addItems(['500', '100', '50', '10', '5', '1'])
    self.rateValue.lineEdit().setReadOnly(True)
    self.rateValue.lineEdit().setAlignment(Qt.AlignRight)
    for i in range(0, self.rateValue.count()):
      self.rateValue.setItemData(i, Qt.AlignRight, Qt.TextAlignmentRole)
    self.rateValue.currentIndexChanged.connect(self.set_rate)
    self.corrValue.valueChanged.connect(self.set_corr)
    self.levelValue.valueChanged.connect(self.set_level)
    self.openPlot.clicked.connect(self.plot_open)
    self.shortPlot.clicked.connect(self.plot_short)
    self.loadPlot.clicked.connect(self.plot_load)
    self.dutPlot.clicked.connect(self.plot_dut)
    self.smithPlot.clicked.connect(self.plot_smith)
    self.impPlot.clicked.connect(self.plot_imp)
    self.rcPlot.clicked.connect(self.plot_rc)
    self.swrPlot.clicked.connect(self.plot_swr)
    self.rlPlot.clicked.connect(self.plot_rl)
    self.gainPlot.clicked.connect(self.plot_gain)
    # create timer
    self.startTimer = QTimer(self)
    self.startTimer.timeout.connect(self.timeout)

  def start(self):
    if self.idle:
      self.connectButton.setEnabled(False)
      self.socket.connectToHost(self.addrValue.text(), 1001)
      self.startTimer.start(5000)
    else:
      self.stop()

  def stop(self):
    self.idle = True
    self.socket.abort()
    self.connectButton.setText('Connect')
    self.connectButton.setEnabled(True)
    self.sweepFrame.setEnabled(False)
    self.selectFrame.setEnabled(True)
    self.dutSweep.setEnabled(False)

  def timeout(self):
    self.display_error('timeout')

  def connected(self):
    self.startTimer.stop()
    self.idle = False
    self.set_start(self.startValue.value())
    self.set_stop(self.stopValue.value())
    self.set_size(self.sizeValue.value())
    self.set_rate(self.rateValue.currentIndex())
    self.set_corr(self.corrValue.value())
    self.set_level(self.levelValue.value())
    self.connectButton.setText('Disconnect')
    self.connectButton.setEnabled(True)
    self.sweepFrame.setEnabled(True)
    self.dutSweep.setEnabled(True)

  def read_data(self):
    if not self.reading:
      self.socket.readAll()
      return
    size = self.socket.bytesAvailable()
    self.progress.setValue((self.offset + size) / 24)
    limit = 24 * (self.sweep_size + 1)
    if self.offset + size < limit:
      self.buffer[self.offset:self.offset + size] = self.socket.read(size)
      self.offset += size
    else:
      self.buffer[self.offset:limit] = self.socket.read(limit - self.offset)
      self.adc1 = self.data[0::3]
      self.adc2 = self.data[1::3]
      self.dac1 = self.data[2::3]
      getattr(self, self.mode)[0:self.sweep_size] = self.adc1[1:self.sweep_size + 1] / self.dac1[1:self.sweep_size + 1]
      getattr(self, 'plot_%s' % self.mode)()
      self.reading = False
      self.sweepFrame.setEnabled(True)
      self.selectFrame.setEnabled(True)

  def display_error(self, socketError):
    self.startTimer.stop()
    if socketError == 'timeout':
      QMessageBox.information(self, 'VNA', 'Error: connection timeout.')
    else:
      QMessageBox.information(self, 'VNA', 'Error: %s.' % self.socket.errorString())
    self.stop()

  def set_start(self, value):
    self.sweep_start = value
    self.xaxis, self.sweep_step = np.linspace(self.sweep_start, self.sweep_stop, self.sweep_size, retstep = True)
    self.xaxis *= 1000
    if self.idle: return
    self.socket.write(struct.pack('<I', 0<<28 | int(value * 1000)))

  def set_stop(self, value):
    self.sweep_stop = value
    self.xaxis, self.sweep_step = np.linspace(self.sweep_start, self.sweep_stop, self.sweep_size, retstep = True)
    self.xaxis *= 1000
    if self.idle: return
    self.socket.write(struct.pack('<I', 1<<28 | int(value * 1000)))

  def set_size(self, value):
    self.sweep_size = value
    self.xaxis, self.sweep_step = np.linspace(self.sweep_start, self.sweep_stop, self.sweep_size, retstep = True)
    self.xaxis *= 1000
    if self.idle: return
    self.socket.write(struct.pack('<I', 2<<28 | int(value)))

  def set_rate(self, value):
    if self.idle: return
    rate = [1, 5, 10, 50, 100, 500][value]
    self.socket.write(struct.pack('<I', 3<<28 | int(rate)))

  def set_corr(self, value):
    if self.idle: return
    self.socket.write(struct.pack('<I', 4<<28 | int(value)))

  def set_level(self, value):
    if self.idle: return
    self.socket.write(struct.pack('<I', 5<<28 | int(32767 * np.power(10.0, value / 20.0))))

  def sweep(self):
    if self.idle: return
    self.sweepFrame.setEnabled(False)
    self.selectFrame.setEnabled(False)
    self.socket.write(struct.pack('<I', 6<<28))
    self.offset = 0
    self.reading = True
    self.progress = QProgressDialog('Sweep status', 'Cancel', 0, self.sweep_size + 1)
    self.progress.setModal(True)
    self.progress.setMinimumDuration(1000)
    self.progress.canceled.connect(self.cancel)

  def cancel(self):
    self.offset = 0
    self.reading = False
    self.socket.write(struct.pack('<I', 7<<28))
    self.sweepFrame.setEnabled(True)
    self.selectFrame.setEnabled(True)

  def sweep_open(self):
    self.mode = 'open'
    self.sweep()

  def sweep_short(self):
    self.mode = 'short'
    self.sweep()

  def sweep_load(self):
    self.mode = 'load'
    self.sweep()

  def sweep_dut(self):
    self.mode = 'dut'
    self.sweep()

  def gain(self):
    size = self.sweep_size
    return self.dut[0:size]/self.short[0:size]

  def impedance(self):
    size = self.sweep_size
    return 50.0 * (self.open[0:size] - self.load[0:size]) * (self.dut[0:size] - self.short[0:size]) / ((self.load[0:size] - self.short[0:size]) * (self.open[0:size] - self.dut[0:size]))

  def gamma(self):
    z = self.impedance()
    return (z - 50.0)/(z + 50.0)

  def plot_gain(self):
    if self.cursor is not None: self.cursor.hide().disable()
    matplotlib.rcdefaults()
    self.figure.clf()
    self.figure.subplots_adjust(left = 0.12, bottom = 0.12, right = 0.88, top = 0.98)
    axes1 = self.figure.add_subplot(111)
    axes1.cla()
    axes1.xaxis.set_major_formatter(FuncFormatter(metric_prefix))
    axes1.yaxis.set_major_formatter(FuncFormatter(metric_prefix))
    axes1.tick_params('y', color = 'blue', labelcolor = 'blue')
    axes1.yaxis.label.set_color('blue')
    gain = self.gain()
    axes1.plot(self.xaxis, 20.0 * np.log10(np.absolute(gain)), color = 'blue', label = 'Gain')
    axes2 = axes1.twinx()
    axes2.spines['left'].set_color('blue')
    axes2.spines['right'].set_color('red')
    axes1.set_xlabel('Hz')
    axes1.set_ylabel('Gain, dB')
    axes2.set_ylabel('Phase angle')
    axes2.tick_params('y', color = 'red', labelcolor = 'red')
    axes2.yaxis.label.set_color('red')
    axes2.plot(self.xaxis, np.angle(gain, deg = True), color = 'red', label = 'Phase angle')
    self.cursor = datacursor(axes = self.figure.get_axes(), formatter = LabelFormatter(), display = 'multiple')
    self.canvas.draw()

  def plot_magphase(self, data):
    if self.cursor is not None: self.cursor.hide().disable()
    matplotlib.rcdefaults()
    self.figure.clf()
    self.figure.subplots_adjust(left = 0.12, bottom = 0.12, right = 0.88, top = 0.98)
    axes1 = self.figure.add_subplot(111)
    axes1.cla()
    axes1.xaxis.set_major_formatter(FuncFormatter(metric_prefix))
    axes1.yaxis.set_major_formatter(FuncFormatter(metric_prefix))
    axes1.tick_params('y', color = 'blue', labelcolor = 'blue')
    axes1.yaxis.label.set_color('blue')
    axes1.plot(self.xaxis, np.absolute(data), color = 'blue', label = 'Magnitude')
    axes2 = axes1.twinx()
    axes2.spines['left'].set_color('blue')
    axes2.spines['right'].set_color('red')
    axes1.set_xlabel('Hz')
    axes1.set_ylabel('Magnitude')
    axes2.set_ylabel('Phase angle')
    axes2.tick_params('y', color = 'red', labelcolor = 'red')
    axes2.yaxis.label.set_color('red')
    axes2.plot(self.xaxis, np.angle(data, deg = True), color = 'red', label = 'Phase angle')
    self.cursor = datacursor(axes = self.figure.get_axes(), formatter = LabelFormatter(), display = 'multiple')
    self.canvas.draw()

  def plot_open(self):
    self.plot_magphase(self.open[0:self.sweep_size])

  def plot_short(self):
    self.plot_magphase(self.short[0:self.sweep_size])

  def plot_load(self):
    self.plot_magphase(self.load[0:self.sweep_size])

  def plot_dut(self):
    self.plot_magphase(self.dut[0:self.sweep_size])

  def plot_smith_grid(self, axes, color):
    load = 50.0
    ticks = np.array([0.0, 0.2, 0.5, 1.0, 2.0, 5.0])
    for tick in ticks * load:
      axis = np.logspace(-4, np.log10(1.0e3), 200) * load
      z = tick + 1.0j * axis
      gamma = (z - load)/(z + load)
      axes.plot(gamma.real, gamma.imag, color = color, linewidth = 0.4, alpha = 0.3)
      axes.plot(gamma.real, -gamma.imag, color = color, linewidth = 0.4, alpha = 0.3)
      z = axis + 1.0j * tick
      gamma = (z - load)/(z + load)
      axes.plot(gamma.real, gamma.imag, color = color, linewidth = 0.4, alpha = 0.3)
      axes.plot(gamma.real, -gamma.imag, color = color, linewidth = 0.4, alpha = 0.3)
      if tick == 0.0:
        axes.text(1.0, 0.0, u'\u221E', color = color, ha = 'left', va = 'center', clip_on = True, fontsize = 18.0)
        axes.text(-1.0, 0.0, u'0\u03A9', color = color, ha = 'left', va = 'bottom', clip_on = True, fontsize = 12.0)
        continue
      lab = u'%d\u03A9' % tick
      x = (tick - load) / (tick + load)
      axes.text(x, 0.0, lab, color = color, ha = 'left', va = 'bottom', clip_on = True, fontsize = 12.0)
      lab = u'j%d\u03A9' % tick
      z =  1.0j * tick
      gamma = (z - load)/(z + load) * 1.05
      x = gamma.real
      y = gamma.imag
      angle = np.angle(gamma) * 180.0 / np.pi - 90.0
      axes.text(x, y, lab, color = color, ha = 'center', va = 'center', clip_on = True, rotation = angle, fontsize = 12.0)
      lab = u'-j%d\u03A9' % tick
      axes.text(x, -y, lab, color = color, ha = 'center', va = 'center', clip_on = True, rotation = -angle, fontsize = 12.0)

  def plot_smith(self):
    if self.cursor is not None: self.cursor.hide().disable()
    matplotlib.rcdefaults()
    self.figure.clf()
    self.figure.subplots_adjust(left = 0.0, bottom = 0.0, right = 1.0, top = 1.0)
    axes1 = self.figure.add_subplot(111)
    self.plot_smith_grid(axes1, 'blue')
    gamma = self.gamma()
    plot, = axes1.plot(gamma.real, gamma.imag, color = 'red')
    axes1.axis('equal')
    axes1.set_xlim(-1.12, 1.12)
    axes1.set_ylim(-1.12, 1.12)
    axes1.xaxis.set_visible(False)
    axes1.yaxis.set_visible(False)
    for loc, spine in axes1.spines.items():
      spine.set_visible(False)
    self.cursor = datacursor(plot, formatter = SmithFormatter(self.xaxis), display = 'multiple')
    self.canvas.draw()

  def plot_imp(self):
    self.plot_magphase(self.impedance())

  def plot_rc(self):
    self.plot_magphase(self.gamma())

  def plot_swr(self):
    if self.cursor is not None: self.cursor.hide().disable()
    matplotlib.rcdefaults()
    self.figure.clf()
    self.figure.subplots_adjust(left = 0.12, bottom = 0.12, right = 0.88, top = 0.98)
    axes1 = self.figure.add_subplot(111)
    axes1.cla()
    axes1.xaxis.set_major_formatter(FuncFormatter(metric_prefix))
    axes1.yaxis.set_major_formatter(FuncFormatter(metric_prefix))
    axes1.set_xlabel('Hz')
    axes1.set_ylabel('SWR')
    magnitude = np.absolute(self.gamma())
    swr = np.maximum(1.0, np.minimum(100.0, (1.0 + magnitude) / np.maximum(1.0e-20, 1.0 - magnitude)))
    axes1.plot(self.xaxis, swr, color = 'blue', label = 'SWR')
    self.cursor = datacursor(axes = self.figure.get_axes(), formatter = LabelFormatter(), display = 'multiple')
    self.canvas.draw()

  def plot_rl(self):
    if self.cursor is not None: self.cursor.hide().disable()
    matplotlib.rcdefaults()
    self.figure.clf()
    self.figure.subplots_adjust(left = 0.12, bottom = 0.12, right = 0.88, top = 0.98)
    axes1 = self.figure.add_subplot(111)
    axes1.cla()
    axes1.xaxis.set_major_formatter(FuncFormatter(metric_prefix))
    axes1.set_xlabel('Hz')
    axes1.set_ylabel('Return loss, dB')
    magnitude = np.absolute(self.gamma())
    axes1.plot(self.xaxis, 20.0 * np.log10(magnitude), color = 'blue', label = 'Return loss')
    self.cursor = datacursor(axes = self.figure.get_axes(), formatter = LabelFormatter(), display = 'multiple')
    self.canvas.draw()

  def write_cfg(self):
    dialog = QFileDialog(self, 'Write configuration settings', '.', '*.ini')
    dialog.setDefaultSuffix('ini')
    dialog.setAcceptMode(QFileDialog.AcceptSave)
    dialog.setOptions(QFileDialog.DontConfirmOverwrite)
    if dialog.exec() == QDialog.Accepted:
      name = dialog.selectedFiles()
      settings = QSettings(name[0], QSettings.IniFormat)
      self.write_cfg_settings(settings)

  def read_cfg(self):
    dialog = QFileDialog(self, 'Read configuration settings', '.', '*.ini')
    dialog.setDefaultSuffix('ini')
    dialog.setAcceptMode(QFileDialog.AcceptOpen)
    if dialog.exec() == QDialog.Accepted:
      name = dialog.selectedFiles()
      settings = QSettings(name[0], QSettings.IniFormat)
      self.read_cfg_settings(settings)

  def write_cfg_settings(self, settings):
    settings.setValue('addr', self.addrValue.text())
    settings.setValue('start', self.startValue.value())
    settings.setValue('stop', self.stopValue.value())
    settings.setValue('rate', self.rateValue.currentIndex())
    settings.setValue('corr', self.corrValue.value())
    size = self.sizeValue.value()
    settings.setValue('size', size)
    for i in range(0, size):
      settings.setValue('open_real_%d' % i, float(self.open.real[i]))
      settings.setValue('open_imag_%d' % i, float(self.open.imag[i]))
    for i in range(0, size):
      settings.setValue('short_real_%d' % i, float(self.short.real[i]))
      settings.setValue('short_imag_%d' % i, float(self.short.imag[i]))
    for i in range(0, size):
      settings.setValue('load_real_%d' % i, float(self.load.real[i]))
      settings.setValue('load_imag_%d' % i, float(self.load.imag[i]))
    for i in range(0, size):
      settings.setValue('dut_real_%d' % i, float(self.dut.real[i]))
      settings.setValue('dut_imag_%d' % i, float(self.dut.imag[i]))

  def read_cfg_settings(self, settings):
    self.addrValue.setText(settings.value('addr', '192.168.1.100'))
    self.startValue.setValue(settings.value('start', 100, type = int))
    self.stopValue.setValue(settings.value('stop', 60000, type = int))
    self.rateValue.setCurrentIndex(settings.value('rate', 0, type = int))
    self.corrValue.setValue(settings.value('corr', 0, type = int))
    size = settings.value('size', 600, type = int)
    self.sizeValue.setValue(size)
    for i in range(0, size):
      real = settings.value('open_real_%d' % i, 0.0, type = float)
      imag = settings.value('open_imag_%d' % i, 0.0, type = float)
      self.open[i] = real + 1.0j * imag
    for i in range(0, size):
      real = settings.value('short_real_%d' % i, 0.0, type = float)
      imag = settings.value('short_imag_%d' % i, 0.0, type = float)
      self.short[i] = real + 1.0j * imag
    for i in range(0, size):
      real = settings.value('load_real_%d' % i, 0.0, type = float)
      imag = settings.value('load_imag_%d' % i, 0.0, type = float)
      self.load[i] = real + 1.0j * imag
    for i in range(0, size):
      real = settings.value('dut_real_%d' % i, 0.0, type = float)
      imag = settings.value('dut_imag_%d' % i, 0.0, type = float)
      self.dut[i] = real + 1.0j * imag

  def write_csv(self):
    dialog = QFileDialog(self, 'Write csv file', '.', '*.csv')
    dialog.setDefaultSuffix('csv')
    dialog.setAcceptMode(QFileDialog.AcceptSave)
    dialog.setOptions(QFileDialog.DontConfirmOverwrite)
    if dialog.exec() == QDialog.Accepted:
      name = dialog.selectedFiles()
      fh = open(name[0], 'w')
      gamma = self.gamma()
      size = self.sizeValue.value()
      fh.write('frequency;open.real;open.imag;short.real;short.imag;load.real;load.imag;dut.real;dut.imag\n')
      for i in range(0, size):
        fh.write('0.0%.8d;%12.9f;%12.9f;%12.9f;%12.9f;%12.9f;%12.9f;%12.9f;%12.9f\n' % (self.xaxis[i], self.open.real[i], self.open.imag[i], self.short.real[i], self.short.imag[i], self.load.real[i], self.load.imag[i], self.dut.real[i], self.dut.imag[i]))
      fh.close()

  def write_s1p(self):
    dialog = QFileDialog(self, 'Write s1p file', '.', '*.s1p')
    dialog.setDefaultSuffix('s1p')
    dialog.setAcceptMode(QFileDialog.AcceptSave)
    dialog.setOptions(QFileDialog.DontConfirmOverwrite)
    if dialog.exec() == QDialog.Accepted:
      name = dialog.selectedFiles()
      fh = open(name[0], 'w')
      gamma = self.gamma()
      size = self.sizeValue.value()
      fh.write('# GHz S MA R 50\n')
      for i in range(0, size):
        fh.write('0.0%.8d   %8.6f %7.2f\n' % (self.xaxis[i], np.absolute(gamma[i]), np.angle(gamma[i], deg = True)))
      fh.close()

  def write_s2p(self):
    dialog = QFileDialog(self, 'Write s2p file', '.', '*.s2p')
    dialog.setDefaultSuffix('s2p')
    dialog.setAcceptMode(QFileDialog.AcceptSave)
    dialog.setOptions(QFileDialog.DontConfirmOverwrite)
    if dialog.exec() == QDialog.Accepted:
      name = dialog.selectedFiles()
      fh = open(name[0], 'w')
      gain = self.gain()
      gamma = self.gamma()
      size = self.sizeValue.value()
      fh.write('# GHz S MA R 50\n')
      for i in range(0, size):
        fh.write('0.0%.8d   %8.6f %7.2f   %8.6f %7.2f   0.000000    0.00   0.000000    0.00\n' % (self.xaxis[i], np.absolute(gamma[i]), np.angle(gamma[i], deg = True), np.absolute(gain[i]), np.angle(gain[i], deg = True)))
      fh.close()
Example #43
0
class VNA(QMainWindow, Ui_VNA):
  graphs = ['open', 'short', 'load', 'dut', 'smith', 'imp', 'swr', 'gamma', 'rl', 'gain_short', 'gain_open']

  def __init__(self):
    super(VNA, self).__init__()
    self.setupUi(self)
    # IP address validator
    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.addrValue.setValidator(QRegExpValidator(rx, self.addrValue))
    # state variables
    self.idle = True
    self.reading = False
    self.auto = False
    # sweep parameters
    self.sweep_start = 10
    self.sweep_stop = 60000
    self.sweep_size = 6000
    # buffer and offset for the incoming samples
    self.buffer = bytearray(16 * 32768)
    self.offset = 0
    self.data = np.frombuffer(self.buffer, np.complex64)
    # create measurements
    self.open = Measurement(self.sweep_start, self.sweep_stop, self.sweep_size)
    self.short = Measurement(self.sweep_start, self.sweep_stop, self.sweep_size)
    self.load = Measurement(self.sweep_start, self.sweep_stop, self.sweep_size)
    self.dut = Measurement(self.sweep_start, self.sweep_stop, self.sweep_size)
    self.mode = 'open'
    # create figures
    self.tabs = {}
    for i in range(len(self.graphs)):
      layout = getattr(self, '%sLayout' % self.graphs[i])
      self.tabs[i] = FigureTab(layout, self)
    # configure widgets
    self.rateValue.addItems(['10000', '5000', '1000', '500', '100', '50', '10', '5', '1'])
    self.rateValue.lineEdit().setReadOnly(True)
    self.rateValue.lineEdit().setAlignment(Qt.AlignRight)
    for i in range(self.rateValue.count()):
      self.rateValue.setItemData(i, Qt.AlignRight, Qt.TextAlignmentRole)
    self.set_enabled(False)
    self.stopSweep.setEnabled(False)
    # read settings
    settings = QSettings('vna.ini', QSettings.IniFormat)
    self.read_cfg_settings(settings)
    # create TCP socket
    self.socket = QTcpSocket(self)
    self.socket.connected.connect(self.connected)
    self.socket.readyRead.connect(self.read_data)
    self.socket.error.connect(self.display_error)
    # connect signals from widgets
    self.connectButton.clicked.connect(self.start)
    self.writeButton.clicked.connect(self.write_cfg)
    self.readButton.clicked.connect(self.read_cfg)
    self.openSweep.clicked.connect(partial(self.sweep, 'open'))
    self.shortSweep.clicked.connect(partial(self.sweep, 'short'))
    self.loadSweep.clicked.connect(partial(self.sweep, 'load'))
    self.singleSweep.clicked.connect(partial(self.sweep, 'dut'))
    self.autoSweep.clicked.connect(self.sweep_auto)
    self.stopSweep.clicked.connect(self.cancel)
    self.csvButton.clicked.connect(self.write_csv)
    self.s1pButton.clicked.connect(self.write_s1p)
    self.s2pshortButton.clicked.connect(self.write_s2p_short)
    self.s2popenButton.clicked.connect(self.write_s2p_open)
    self.startValue.valueChanged.connect(self.set_start)
    self.stopValue.valueChanged.connect(self.set_stop)
    self.sizeValue.valueChanged.connect(self.set_size)
    self.rateValue.currentIndexChanged.connect(self.set_rate)
    self.corrValue.valueChanged.connect(self.set_corr)
    self.phase1Value.valueChanged.connect(self.set_phase1)
    self.phase2Value.valueChanged.connect(self.set_phase2)
    self.level1Value.valueChanged.connect(self.set_level1)
    self.level2Value.valueChanged.connect(self.set_level2)
    self.tabWidget.currentChanged.connect(self.update_tab)
    # create timers
    self.startTimer = QTimer(self)
    self.startTimer.timeout.connect(self.timeout)
    self.sweepTimer = QTimer(self)
    self.sweepTimer.timeout.connect(self.sweep_timeout)

  def set_enabled(self, enabled):
    widgets = [self.rateValue, self.level1Value, self.level2Value, self.corrValue, self.phase1Value, self.phase2Value, self.startValue, self.stopValue, self.sizeValue, self.openSweep, self.shortSweep, self.loadSweep, self.singleSweep, self.autoSweep]
    for entry in widgets:
      entry.setEnabled(enabled)

  def start(self):
    if self.idle:
      self.connectButton.setEnabled(False)
      self.socket.connectToHost(self.addrValue.text(), 1001)
      self.startTimer.start(5000)
    else:
      self.stop()

  def stop(self):
    self.idle = True
    self.cancel()
    self.socket.abort()
    self.connectButton.setText('Connect')
    self.connectButton.setEnabled(True)
    self.set_enabled(False)
    self.stopSweep.setEnabled(False)

  def timeout(self):
    self.display_error('timeout')

  def connected(self):
    self.startTimer.stop()
    self.idle = False
    self.set_rate(self.rateValue.currentIndex())
    self.set_corr(self.corrValue.value())
    self.set_phase1(self.phase1Value.value())
    self.set_phase2(self.phase2Value.value())
    self.set_level1(self.level1Value.value())
    self.set_level2(self.level2Value.value())
    self.set_gpio(1)
    self.connectButton.setText('Disconnect')
    self.connectButton.setEnabled(True)
    self.set_enabled(True)
    self.stopSweep.setEnabled(True)

  def read_data(self):
    while(self.socket.bytesAvailable() > 0):
      if not self.reading:
        self.socket.readAll()
        return
      size = self.socket.bytesAvailable()
      self.progressBar.setValue((self.offset + size) / 16)
      limit = 16 * self.sweep_size
      if self.offset + size < limit:
        self.buffer[self.offset:self.offset + size] = self.socket.read(size)
        self.offset += size
      else:
        self.buffer[self.offset:limit] = self.socket.read(limit - self.offset)
        adc1 = self.data[0::2]
        adc2 = self.data[1::2]
        attr = getattr(self, self.mode)
        start = self.sweep_start
        stop = self.sweep_stop
        size = self.sweep_size
        attr.freq = np.linspace(start, stop, size)
        attr.data = adc1[0:size].copy()
        self.update_tab()
        self.reading = False
        if not self.auto:
          self.progressBar.setValue(0)
          self.set_enabled(True)

  def display_error(self, socketError):
    self.startTimer.stop()
    if socketError == 'timeout':
      QMessageBox.information(self, 'VNA', 'Error: connection timeout.')
    else:
      QMessageBox.information(self, 'VNA', 'Error: %s.' % self.socket.errorString())
    self.stop()

  def set_start(self, value):
    self.sweep_start = value

  def set_stop(self, value):
    self.sweep_stop = value

  def set_size(self, value):
    self.sweep_size = value

  def set_rate(self, value):
    if self.idle: return
    rate = [5, 10, 50, 100, 500, 1000, 5000, 10000, 50000][value]
    self.socket.write(struct.pack('<I', 3<<28 | int(rate)))

  def set_corr(self, value):
    if self.idle: return
    self.socket.write(struct.pack('<I', 4<<28 | int(value)))

  def set_phase1(self, value):
    if self.idle: return
    self.socket.write(struct.pack('<I', 5<<28 | int(value)))

  def set_phase2(self, value):
    if self.idle: return
    self.socket.write(struct.pack('<I', 6<<28 | int(value)))

  def set_level1(self, value):
    if self.idle: return
    data = 0 if value == -90 else int(32766 * np.power(10.0, value / 20.0))
    self.socket.write(struct.pack('<I', 7<<28 | int(data)))

  def set_level2(self, value):
    if self.idle: return
    data = 0 if value == -90 else int(32766 * np.power(10.0, value / 20.0))
    self.socket.write(struct.pack('<I', 8<<28 | int(data)))

  def set_gpio(self, value):
    if self.idle: return
    self.socket.write(struct.pack('<I', 9<<28 | int(value)))

  def sweep(self, mode):
    if self.idle: return
    self.set_enabled(False)
    self.mode = mode
    self.offset = 0
    self.reading = True
    self.socket.write(struct.pack('<I', 0<<28 | int(self.sweep_start * 1000)))
    self.socket.write(struct.pack('<I', 1<<28 | int(self.sweep_stop * 1000)))
    self.socket.write(struct.pack('<I', 2<<28 | int(self.sweep_size)))
    self.socket.write(struct.pack('<I', 10<<28))
    self.progressBar.setMinimum(0)
    self.progressBar.setMaximum(self.sweep_size)
    self.progressBar.setValue(0)

  def cancel(self):
    self.sweepTimer.stop()
    self.auto = False
    self.reading = False
    self.socket.write(struct.pack('<I', 11<<28))
    self.progressBar.setValue(0)
    self.set_enabled(True)

  def sweep_auto(self):
    self.auto = True
    self.sweepTimer.start(100)

  def sweep_timeout(self):
    if not self.reading:
      self.sweep('dut')

  def update_tab(self):
    index = self.tabWidget.currentIndex()
    self.tabs[index].update(self.graphs[index])

  def interp(self, freq, meas):
    real = np.interp(freq, meas.freq, meas.data.real, period = meas.period)
    imag = np.interp(freq, meas.freq, meas.data.imag, period = meas.period)
    return real + 1j * imag

  def gain_short(self, freq):
    short = self.interp(freq, self.short)
    dut = self.interp(freq, self.dut)
    return np.divide(dut, short)

  def gain_open(self, freq):
    open = self.interp(freq, self.open)
    dut = self.interp(freq, self.dut)
    return np.divide(dut, open)

  def impedance(self, freq):
    open = self.interp(freq, self.open)
    short = self.interp(freq, self.short)
    load = self.interp(freq, self.load)
    dut = self.interp(freq, self.dut)
    z = np.divide(50.0 * (open - load) * (dut - short), (load - short) * (open - dut))
    z = np.asarray(z)
    z.real[z.real < 1.0e-2] = 9.99e-3
    return z

  def gamma(self, freq):
    z = self.impedance(freq)
    return np.divide(z - 50.0, z + 50.0)

  def swr(self, freq):
    magnitude = np.absolute(self.gamma(freq))
    swr = np.divide(1.0 + magnitude, 1.0 - magnitude)
    return np.clip(swr, 1.0, 99.99)

  def write_cfg(self):
    dialog = QFileDialog(self, 'Write configuration settings', '.', '*.ini')
    dialog.setDefaultSuffix('ini')
    dialog.selectFile('vna.ini')
    dialog.setAcceptMode(QFileDialog.AcceptSave)
    dialog.setOptions(QFileDialog.DontConfirmOverwrite)
    if dialog.exec() == QDialog.Accepted:
      name = dialog.selectedFiles()
      settings = QSettings(name[0], QSettings.IniFormat)
      self.write_cfg_settings(settings)

  def read_cfg(self):
    dialog = QFileDialog(self, 'Read configuration settings', '.', '*.ini')
    dialog.setDefaultSuffix('ini')
    dialog.selectFile('vna.ini')
    dialog.setAcceptMode(QFileDialog.AcceptOpen)
    if dialog.exec() == QDialog.Accepted:
      name = dialog.selectedFiles()
      settings = QSettings(name[0], QSettings.IniFormat)
      self.read_cfg_settings(settings)
      window.update_tab()

  def write_cfg_settings(self, settings):
    settings.setValue('addr', self.addrValue.text())
    settings.setValue('rate', self.rateValue.currentIndex())
    settings.setValue('corr', self.corrValue.value())
    settings.setValue('phase_1', self.phase1Value.value())
    settings.setValue('phase_2', self.phase2Value.value())
    settings.setValue('level_1', self.level1Value.value())
    settings.setValue('level_2', self.level2Value.value())
    settings.setValue('open_start', int(self.open.freq[0]))
    settings.setValue('open_stop', int(self.open.freq[-1]))
    settings.setValue('open_size', self.open.freq.size)
    settings.setValue('short_start', int(self.short.freq[0]))
    settings.setValue('short_stop', int(self.short.freq[-1]))
    settings.setValue('short_size', self.short.freq.size)
    settings.setValue('load_start', int(self.load.freq[0]))
    settings.setValue('load_stop', int(self.load.freq[-1]))
    settings.setValue('load_size', self.load.freq.size)
    settings.setValue('dut_start', int(self.dut.freq[0]))
    settings.setValue('dut_stop', int(self.dut.freq[-1]))
    settings.setValue('dut_size', self.dut.freq.size)
    for i in range(len(FigureTab.cursors)):
      settings.setValue('cursor_%d' % i, FigureTab.cursors[i])
    data = self.open.data
    for i in range(self.open.freq.size):
      settings.setValue('open_real_%d' % i, float(data.real[i]))
      settings.setValue('open_imag_%d' % i, float(data.imag[i]))
    data = self.short.data
    for i in range(self.short.freq.size):
      settings.setValue('short_real_%d' % i, float(data.real[i]))
      settings.setValue('short_imag_%d' % i, float(data.imag[i]))
    data = self.load.data
    for i in range(self.load.freq.size):
      settings.setValue('load_real_%d' % i, float(data.real[i]))
      settings.setValue('load_imag_%d' % i, float(data.imag[i]))
    data = self.dut.data
    for i in range(self.dut.freq.size):
      settings.setValue('dut_real_%d' % i, float(data.real[i]))
      settings.setValue('dut_imag_%d' % i, float(data.imag[i]))

  def read_cfg_settings(self, settings):
    self.addrValue.setText(settings.value('addr', '192.168.1.100'))
    self.rateValue.setCurrentIndex(settings.value('rate', 0, type = int))
    self.corrValue.setValue(settings.value('corr', 0, type = int))
    self.phase1Value.setValue(settings.value('phase_1', 0, type = int))
    self.phase2Value.setValue(settings.value('phase_2', 0, type = int))
    self.level1Value.setValue(settings.value('level_1', 0, type = int))
    self.level2Value.setValue(settings.value('level_2', -90, type = int))
    open_start = settings.value('open_start', 10, type = int)
    open_stop = settings.value('open_stop', 60000, type = int)
    open_size = settings.value('open_size', 6000, type = int)
    short_start = settings.value('short_start', 10, type = int)
    short_stop = settings.value('short_stop', 60000, type = int)
    short_size = settings.value('short_size', 6000, type = int)
    load_start = settings.value('load_start', 10, type = int)
    load_stop = settings.value('load_stop', 60000, type = int)
    load_size = settings.value('load_size', 6000, type = int)
    dut_start = settings.value('dut_start', 10, type = int)
    dut_stop = settings.value('dut_stop', 60000, type = int)
    dut_size = settings.value('dut_size', 6000, type = int)
    self.startValue.setValue(dut_start)
    self.stopValue.setValue(dut_stop)
    self.sizeValue.setValue(dut_size)
    for i in range(len(FigureTab.cursors)):
      FigureTab.cursors[i] = settings.value('cursor_%d' % i, FigureTab.cursors[i], type = int)
    self.open.freq = np.linspace(open_start, open_stop, open_size)
    self.open.data = np.zeros(open_size, np.complex64)
    for i in range(open_size):
      real = settings.value('open_real_%d' % i, 0.0, type = float)
      imag = settings.value('open_imag_%d' % i, 0.0, type = float)
      self.open.data[i] = real + 1.0j * imag
    self.short.freq = np.linspace(short_start, short_stop, short_size)
    self.short.data = np.zeros(short_size, np.complex64)
    for i in range(short_size):
      real = settings.value('short_real_%d' % i, 0.0, type = float)
      imag = settings.value('short_imag_%d' % i, 0.0, type = float)
      self.short.data[i] = real + 1.0j * imag
    self.load.freq = np.linspace(load_start, load_stop, load_size)
    self.load.data = np.zeros(load_size, np.complex64)
    for i in range(load_size):
      real = settings.value('load_real_%d' % i, 0.0, type = float)
      imag = settings.value('load_imag_%d' % i, 0.0, type = float)
      self.load.data[i] = real + 1.0j * imag
    self.dut.freq = np.linspace(dut_start, dut_stop, dut_size)
    self.dut.data = np.zeros(dut_size, np.complex64)
    for i in range(dut_size):
      real = settings.value('dut_real_%d' % i, 0.0, type = float)
      imag = settings.value('dut_imag_%d' % i, 0.0, type = float)
      self.dut.data[i] = real + 1.0j * imag

  def write_csv(self):
    dialog = QFileDialog(self, 'Write csv file', '.', '*.csv')
    dialog.setDefaultSuffix('csv')
    dialog.setAcceptMode(QFileDialog.AcceptSave)
    dialog.setOptions(QFileDialog.DontConfirmOverwrite)
    if dialog.exec() == QDialog.Accepted:
      name = dialog.selectedFiles()
      fh = open(name[0], 'w')
      f = self.dut.freq
      o = self.interp(f, self.open)
      s = self.interp(f, self.short)
      l = self.interp(f, self.load)
      d = self.dut.data
      fh.write('frequency;open.real;open.imag;short.real;short.imag;load.real;load.imag;dut.real;dut.imag\n')
      for i in range(f.size):
        fh.write('0.0%.8d;%12.9f;%12.9f;%12.9f;%12.9f;%12.9f;%12.9f;%12.9f;%12.9f\n' % (f[i] * 1000, o.real[i], o.imag[i], s.real[i], s.imag[i], l.real[i], l.imag[i], d.real[i], d.imag[i]))
      fh.close()

  def write_s1p(self):
    dialog = QFileDialog(self, 'Write s1p file', '.', '*.s1p')
    dialog.setDefaultSuffix('s1p')
    dialog.setAcceptMode(QFileDialog.AcceptSave)
    dialog.setOptions(QFileDialog.DontConfirmOverwrite)
    if dialog.exec() == QDialog.Accepted:
      name = dialog.selectedFiles()
      fh = open(name[0], 'w')
      freq = self.dut.freq
      gamma = self.gamma(freq)
      fh.write('# GHz S MA R 50\n')
      for i in range(freq.size):
        fh.write('0.0%.8d   %8.6f %7.2f\n' % (freq[i] * 1000, np.absolute(gamma[i]), np.angle(gamma[i], deg = True)))
      fh.close()

  def write_s2p(self, gain):
    dialog = QFileDialog(self, 'Write s2p file', '.', '*.s2p')
    dialog.setDefaultSuffix('s2p')
    dialog.setAcceptMode(QFileDialog.AcceptSave)
    dialog.setOptions(QFileDialog.DontConfirmOverwrite)
    if dialog.exec() == QDialog.Accepted:
      name = dialog.selectedFiles()
      fh = open(name[0], 'w')
      freq = self.dut.freq
      gamma = self.gamma(freq)
      fh.write('# GHz S MA R 50\n')
      for i in range(freq.size):
        fh.write('0.0%.8d   %8.6f %7.2f   %8.6f %7.2f   0.000000    0.00   0.000000    0.00\n' % (freq[i] * 1000, np.absolute(gamma[i]), np.angle(gamma[i], deg = True), np.absolute(gain[i]), np.angle(gain[i], deg = True)))
      fh.close()

  def write_s2p_short(self):
    self.write_s2p(self.gain_short(self.dut.freq))

  def write_s2p_open(self):
    self.write_s2p(self.gain_open(self.dut.freq))
Example #44
0
 def __init__(self):
   super(VNA, self).__init__()
   self.setupUi(self)
   # IP address validator
   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.addrValue.setValidator(QRegExpValidator(rx, self.addrValue))
   # state variable
   self.idle = True
   # sweep parameters
   self.sweep_start = 100
   self.sweep_stop = 60000
   self.sweep_size = 600
   self.xaxis, self.sweep_step = np.linspace(self.sweep_start, self.sweep_stop, self.sweep_size, retstep = True)
   self.xaxis *= 1000
   # buffer and offset for the incoming samples
   self.buffer = bytearray(32 * VNA.max_size)
   self.offset = 0
   self.data = np.frombuffer(self.buffer, np.complex64)
   self.adc1 = np.zeros(VNA.max_size, np.complex64)
   self.adc2 = np.zeros(VNA.max_size, np.complex64)
   self.dac1 = np.zeros(VNA.max_size, np.complex64)
   self.open = np.zeros(VNA.max_size, np.complex64)
   self.short = np.zeros(VNA.max_size, np.complex64)
   self.load = np.zeros(VNA.max_size, np.complex64)
   self.dut = np.zeros(VNA.max_size, np.complex64)
   self.mode = 'dut'
   # create figure
   self.figure = Figure()
   self.figure.set_facecolor('none')
   self.canvas = FigureCanvas(self.figure)
   self.plotLayout.addWidget(self.canvas)
   # create navigation toolbar
   self.toolbar = NavigationToolbar(self.canvas, self.plotWidget, False)
   # remove subplots action
   actions = self.toolbar.actions()
   self.toolbar.removeAction(actions[7])
   self.plotLayout.addWidget(self.toolbar)
   # create TCP socket
   self.socket = QTcpSocket(self)
   self.socket.connected.connect(self.connected)
   self.socket.readyRead.connect(self.read_data)
   self.socket.error.connect(self.display_error)
   # connect signals from buttons and boxes
   self.sweepFrame.setEnabled(False)
   self.dutSweep.setEnabled(False)
   self.connectButton.clicked.connect(self.start)
   self.writeButton.clicked.connect(self.write_cfg)
   self.readButton.clicked.connect(self.read_cfg)
   self.openSweep.clicked.connect(self.sweep_open)
   self.shortSweep.clicked.connect(self.sweep_short)
   self.loadSweep.clicked.connect(self.sweep_load)
   self.dutSweep.clicked.connect(self.sweep_dut)
   self.s1pButton.clicked.connect(self.write_s1p)
   self.startValue.valueChanged.connect(self.set_start)
   self.stopValue.valueChanged.connect(self.set_stop)
   self.sizeValue.valueChanged.connect(self.set_size)
   self.openPlot.clicked.connect(self.plot_open)
   self.shortPlot.clicked.connect(self.plot_short)
   self.loadPlot.clicked.connect(self.plot_load)
   self.dutPlot.clicked.connect(self.plot_dut)
   self.smithPlot.clicked.connect(self.plot_smith)
   self.impPlot.clicked.connect(self.plot_imp)
   self.rcPlot.clicked.connect(self.plot_rc)
   self.swrPlot.clicked.connect(self.plot_swr)
   self.rlPlot.clicked.connect(self.plot_rl)
   # create timer
   self.startTimer = QTimer(self)
   self.startTimer.timeout.connect(self.timeout)
Example #45
0
 def __connectNetwork(self, name, connect, silent=False):
     """
     Private slot to connect to or disconnect from the given network.
     
     @param name name of the network to connect to (string)
     @param connect flag indicating to connect (boolean)
     @keyparam silent flag indicating a silent connect/disconnect (boolean)
     """
     if connect:
         network = self.__ircNetworkManager.getNetwork(name)
         if network:
             self.__server = network.getServer()
             self.__identityName = network.getIdentityName()
             identity = self.__ircNetworkManager.getIdentity(
                 self.__identityName)
             self.__userName = identity.getIdent()
             self.__quitMessage = identity.getQuitMessage()
             if self.__server:
                 useSSL = self.__server.useSSL()
                 if useSSL and not SSL_AVAILABLE:
                     E5MessageBox.critical(
                         self,
                         self.tr("SSL Connection"),
                         self.tr(
                             """An encrypted connection to the IRC"""
                             """ network was requested but SSL is not"""
                             """ available. Please change the server"""
                             """ configuration."""))
                     return
                 
                 if useSSL:
                     # create SSL socket
                     self.__socket = QSslSocket(self)
                     self.__socket.encrypted.connect(self.__hostConnected)
                     self.__socket.sslErrors.connect(self.__sslErrors)
                 else:
                     # create TCP socket
                     self.__socket = QTcpSocket(self)
                     self.__socket.connected.connect(self.__hostConnected)
                 self.__socket.hostFound.connect(self.__hostFound)
                 self.__socket.disconnected.connect(self.__hostDisconnected)
                 self.__socket.readyRead.connect(self.__readyRead)
                 self.__socket.error.connect(self.__tcpError)
                 
                 self.__connectionState = IrcWidget.ServerConnecting
                 if useSSL:
                     self.networkWidget.addServerMessage(
                         self.tr("Info"),
                         self.tr("Looking for server {0} (port {1})"
                                 " using an SSL encrypted connection"
                                 "...").format(self.__server.getName(),
                                               self.__server.getPort()))
                     self.__socket.connectToHostEncrypted(
                         self.__server.getName(), self.__server.getPort())
                 else:
                     self.networkWidget.addServerMessage(
                         self.tr("Info"),
                         self.tr(
                             "Looking for server {0} (port {1})...").format(
                             self.__server.getName(),
                             self.__server.getPort()))
                     self.__socket.connectToHost(self.__server.getName(),
                                                 self.__server.getPort())
     else:
         if silent:
             ok = True
         else:
             ok = E5MessageBox.yesNo(
                 self,
                 self.tr("Disconnect from Server"),
                 self.tr("""<p>Do you really want to disconnect from"""
                         """ <b>{0}</b>?</p><p>All channels will be"""
                         """ closed.</p>""")
                 .format(self.__server.getName()))
         if ok:
             self.networkWidget.addServerMessage(
                 self.tr("Info"),
                 self.tr("Disconnecting from server {0}...").format(
                     self.__server.getName()))
             self.__closeAllChannels()
             self.__send("QUIT :" + self.__quitMessage)
             self.__socket and self.__socket.flush()
             self.__socket and self.__socket.close()
             self.__userName = ""
             self.__identityName = ""
             self.__quitMessage = ""
Example #46
0
class Client(QDialog):
    def __init__(self, parent=None):
        super(Client, self).__init__(parent)

        self.networkSession = None
        self.blockSize = 0
        self.currentFortune = ""

        hostLabel = QLabel("&Server name:")
        portLabel = QLabel("S&erver port:")

        self.hostCombo = QComboBox()
        self.hostCombo.setEditable(True)

        name = QHostInfo.localHostName()
        if name != "":
            self.hostCombo.addItem(name)

            domain = QHostInfo.localDomainName()
            if domain != "":
                self.hostCombo.addItem(name + "." + domain)

        if name != "localhost":
            self.hostCombo.addItem("localhost")

        ipAddressesList = QNetworkInterface.allAddresses()

        for ipAddress in ipAddressesList:
            if not ipAddress.isLoopback():
                self.hostCombo.addItem(ipAddress.toString())

        for ipAddress in ipAddressesList:
            if ipAddress.isLoopback():
                self.hostCombo.addItem(ipAddress.toString())

        self.portLineEdit = QLineEdit()
        self.portLineEdit.setValidator(QIntValidator(1, 65535, self))

        hostLabel.setBuddy(self.hostCombo)
        portLabel.setBuddy(self.portLineEdit)

        self.statusLabel = QLabel("This examples requires that you run " "the Fortune Server example as well.")

        self.getFortuneButton = QPushButton("Get Fortune")
        self.getFortuneButton.setDefault(True)
        self.getFortuneButton.setEnabled(False)

        quitButton = QPushButton("Quit")

        buttonBox = QDialogButtonBox()
        buttonBox.addButton(self.getFortuneButton, QDialogButtonBox.ActionRole)
        buttonBox.addButton(quitButton, QDialogButtonBox.RejectRole)

        self.tcpSocket = QTcpSocket(self)

        self.hostCombo.editTextChanged.connect(self.enableGetFortuneButton)
        self.portLineEdit.textChanged.connect(self.enableGetFortuneButton)
        self.getFortuneButton.clicked.connect(self.requestNewFortune)
        quitButton.clicked.connect(self.close)
        self.tcpSocket.readyRead.connect(self.readFortune)
        self.tcpSocket.error.connect(self.displayError)

        mainLayout = QGridLayout()
        mainLayout.addWidget(hostLabel, 0, 0)
        mainLayout.addWidget(self.hostCombo, 0, 1)
        mainLayout.addWidget(portLabel, 1, 0)
        mainLayout.addWidget(self.portLineEdit, 1, 1)
        mainLayout.addWidget(self.statusLabel, 2, 0, 1, 2)
        mainLayout.addWidget(buttonBox, 3, 0, 1, 2)
        self.setLayout(mainLayout)

        self.setWindowTitle("Fortune Client")
        self.portLineEdit.setFocus()

        manager = QNetworkConfigurationManager()
        if manager.capabilities() & QNetworkConfigurationManager.NetworkSessionRequired:
            settings = QSettings(QSettings.UserScope, "QtProject")
            settings.beginGroup("QtNetwork")
            id = settings.value("DefaultNetworkConfiguration")
            settings.endGroup()

            config = manager.configurationFromIdentifier(id)
            if config.state() & QNetworkConfiguration.Discovered == 0:
                config = manager.defaultConfiguration()

            self.networkSession = QNetworkSession(config, self)
            self.networkSession.opened.connect(self.sessionOpened)

            self.getFortuneButton.setEnabled(False)
            self.statusLabel.setText("Opening network session.")
            self.networkSession.open()

    def requestNewFortune(self):
        self.getFortuneButton.setEnabled(False)
        self.blockSize = 0
        self.tcpSocket.abort()
        self.tcpSocket.connectToHost(self.hostCombo.currentText(), int(self.portLineEdit.text()))

    def readFortune(self):
        instr = QDataStream(self.tcpSocket)
        instr.setVersion(QDataStream.Qt_4_0)

        if self.blockSize == 0:
            if self.tcpSocket.bytesAvailable() < 2:
                return

            self.blockSize = instr.readUInt16()

        if self.tcpSocket.bytesAvailable() < self.blockSize:
            return

        nextFortune = instr.readQString()
        if nextFortune == self.currentFortune:
            QTimer.singleShot(0, self.requestNewFortune)
            return

        self.currentFortune = nextFortune
        self.statusLabel.setText(self.currentFortune)
        self.getFortuneButton.setEnabled(True)

    def displayError(self, socketError):
        if socketError == QAbstractSocket.RemoteHostClosedError:
            pass
        elif socketError == QAbstractSocket.HostNotFoundError:
            QMessageBox.information(
                self, "Fortune Client", "The host was not found. Please check the host name and " "port settings."
            )
        elif socketError == QAbstractSocket.ConnectionRefusedError:
            QMessageBox.information(
                self,
                "Fortune Client",
                "The connection was refused by the peer. Make sure the "
                "fortune server is running, and check that the host name "
                "and port settings are correct.",
            )
        else:
            QMessageBox.information(
                self, "Fortune Client", "The following error occurred: %s." % self.tcpSocket.errorString()
            )

        self.getFortuneButton.setEnabled(True)

    def enableGetFortuneButton(self):
        self.getFortuneButton.setEnabled(
            (self.networkSession is None or self.networkSession.isOpen())
            and self.hostCombo.currentText() != ""
            and self.portLineEdit.text() != ""
        )

    def sessionOpened(self):
        config = self.networkSession.configuration()

        if config.type() == QNetworkConfiguration.UserChoice:
            id = self.networkSession.sessionProperty("UserChoiceConfiguration")
        else:
            id = config.identifier()

        settings = QSettings(QSettings.UserScope, "QtProject")
        settings.beginGroup("QtNetwork")
        settings.setValue("DefaultNetworkConfiguration", id)
        settings.endGroup()

        self.statusLabel.setText("This examples requires that you run the " "Fortune Server example as well.")

        self.enableGetFortuneButton()
Example #47
0
 def __init__(self):
   super(VNA, self).__init__()
   self.setupUi(self)
   # IP address validator
   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.addrValue.setValidator(QRegExpValidator(rx, self.addrValue))
   # state variables
   self.idle = True
   self.reading = False
   self.auto = False
   # sweep parameters
   self.sweep_start = 10
   self.sweep_stop = 60000
   self.sweep_size = 6000
   # buffer and offset for the incoming samples
   self.buffer = bytearray(16 * 32768)
   self.offset = 0
   self.data = np.frombuffer(self.buffer, np.complex64)
   # create measurements
   self.open = Measurement(self.sweep_start, self.sweep_stop, self.sweep_size)
   self.short = Measurement(self.sweep_start, self.sweep_stop, self.sweep_size)
   self.load = Measurement(self.sweep_start, self.sweep_stop, self.sweep_size)
   self.dut = Measurement(self.sweep_start, self.sweep_stop, self.sweep_size)
   self.mode = 'open'
   # create figures
   self.tabs = {}
   for i in range(len(self.graphs)):
     layout = getattr(self, '%sLayout' % self.graphs[i])
     self.tabs[i] = FigureTab(layout, self)
   # configure widgets
   self.rateValue.addItems(['10000', '5000', '1000', '500', '100', '50', '10', '5', '1'])
   self.rateValue.lineEdit().setReadOnly(True)
   self.rateValue.lineEdit().setAlignment(Qt.AlignRight)
   for i in range(self.rateValue.count()):
     self.rateValue.setItemData(i, Qt.AlignRight, Qt.TextAlignmentRole)
   self.set_enabled(False)
   self.stopSweep.setEnabled(False)
   # read settings
   settings = QSettings('vna.ini', QSettings.IniFormat)
   self.read_cfg_settings(settings)
   # create TCP socket
   self.socket = QTcpSocket(self)
   self.socket.connected.connect(self.connected)
   self.socket.readyRead.connect(self.read_data)
   self.socket.error.connect(self.display_error)
   # connect signals from widgets
   self.connectButton.clicked.connect(self.start)
   self.writeButton.clicked.connect(self.write_cfg)
   self.readButton.clicked.connect(self.read_cfg)
   self.openSweep.clicked.connect(partial(self.sweep, 'open'))
   self.shortSweep.clicked.connect(partial(self.sweep, 'short'))
   self.loadSweep.clicked.connect(partial(self.sweep, 'load'))
   self.singleSweep.clicked.connect(partial(self.sweep, 'dut'))
   self.autoSweep.clicked.connect(self.sweep_auto)
   self.stopSweep.clicked.connect(self.cancel)
   self.csvButton.clicked.connect(self.write_csv)
   self.s1pButton.clicked.connect(self.write_s1p)
   self.s2pshortButton.clicked.connect(self.write_s2p_short)
   self.s2popenButton.clicked.connect(self.write_s2p_open)
   self.startValue.valueChanged.connect(self.set_start)
   self.stopValue.valueChanged.connect(self.set_stop)
   self.sizeValue.valueChanged.connect(self.set_size)
   self.rateValue.currentIndexChanged.connect(self.set_rate)
   self.corrValue.valueChanged.connect(self.set_corr)
   self.phase1Value.valueChanged.connect(self.set_phase1)
   self.phase2Value.valueChanged.connect(self.set_phase2)
   self.level1Value.valueChanged.connect(self.set_level1)
   self.level2Value.valueChanged.connect(self.set_level2)
   self.tabWidget.currentChanged.connect(self.update_tab)
   # create timers
   self.startTimer = QTimer(self)
   self.startTimer.timeout.connect(self.timeout)
   self.sweepTimer = QTimer(self)
   self.sweepTimer.timeout.connect(self.sweep_timeout)
Example #48
0
class IrcWidget(QWidget, Ui_IrcWidget):
    """
    Class implementing the IRC window.
    
    @signal autoConnected() emitted after an automatic connection was initiated
    """
    autoConnected = pyqtSignal()
    
    ServerDisconnected = 1
    ServerConnected = 2
    ServerConnecting = 3
    
    def __init__(self, parent=None):
        """
        Constructor
        
        @param parent reference to the parent widget (QWidget)
        """
        super(IrcWidget, self).__init__(parent)
        self.setupUi(self)
        
        from .IrcNetworkManager import IrcNetworkManager
        self.__ircNetworkManager = IrcNetworkManager(self)
        
        self.__leaveButton = QToolButton(self)
        self.__leaveButton.setIcon(
            UI.PixmapCache.getIcon("ircCloseChannel.png"))
        self.__leaveButton.setToolTip(
            self.tr("Press to leave the current channel"))
        self.__leaveButton.clicked.connect(self.__leaveChannel)
        self.__leaveButton.setEnabled(False)
        self.channelsWidget.setCornerWidget(
            self.__leaveButton, Qt.BottomRightCorner)
        self.channelsWidget.setTabsClosable(False)
        if not isMacPlatform():
            self.channelsWidget.setTabPosition(QTabWidget.South)
        
        height = self.height()
        self.splitter.setSizes([height * 0.6, height * 0.4])
        
        self.__channelList = []
        self.__channelTypePrefixes = ""
        self.__userName = ""
        self.__identityName = ""
        self.__quitMessage = ""
        self.__nickIndex = -1
        self.__nickName = ""
        self.__server = None
        self.__registering = False
        
        self.__connectionState = IrcWidget.ServerDisconnected
        self.__sslErrorLock = False
        
        self.__buffer = ""
        self.__userPrefix = {}
        
        self.__socket = None
        if SSL_AVAILABLE:
            self.__sslErrorHandler = E5SslErrorHandler(self)
        else:
            self.__sslErrorHandler = None
        
        self.__patterns = [
            # :[email protected] PRIVMSG bar_ :some long message
            (re.compile(r":([^!]+)!([^ ]+)\sPRIVMSG\s([^ ]+)\s:(.*)"),
             self.__query),
            # :foo.bar.net COMMAND some message
            (re.compile(r""":([^ ]+)\s+([A-Z]+)\s+(.+)"""),
             self.__handleNamedMessage),
            # :foo.bar.net 123 * :info
            (re.compile(r""":([^ ]+)\s+(\d{3})\s+(.+)"""),
             self.__handleNumericMessage),
            # PING :ping message
            (re.compile(r"""PING\s+:(.*)"""), self.__ping),
        ]
        self.__prefixRe = re.compile(r""".*\sPREFIX=\((.*)\)([^ ]+).*""")
        self.__chanTypesRe = re.compile(r""".*\sCHANTYPES=([^ ]+).*""")
        
        ircPic = UI.PixmapCache.getPixmap("irc128.png")
        self.__emptyLabel = QLabel()
        self.__emptyLabel.setPixmap(ircPic)
        self.__emptyLabel.setAlignment(Qt.AlignVCenter | Qt.AlignHCenter)
        self.channelsWidget.addTab(self.__emptyLabel, "")
        
        # all initialized, do connections now
        self.__ircNetworkManager.dataChanged.connect(self.__networkDataChanged)
        self.networkWidget.initialize(self.__ircNetworkManager)
        self.networkWidget.connectNetwork.connect(self.__connectNetwork)
        self.networkWidget.editNetwork.connect(self.__editNetwork)
        self.networkWidget.joinChannel.connect(self.__joinChannel)
        self.networkWidget.nickChanged.connect(self.__changeNick)
        self.networkWidget.sendData.connect(self.__send)
        self.networkWidget.away.connect(self.__away)
        self.networkWidget.autoConnected.connect(self.autoConnected)
    
    def shutdown(self):
        """
        Public method to shut down the widget.
        
        @return flag indicating successful shutdown (boolean)
        """
        if self.__server:
            if Preferences.getIrc("AskOnShutdown"):
                ok = E5MessageBox.yesNo(
                    self,
                    self.tr("Disconnect from Server"),
                    self.tr(
                        """<p>Do you really want to disconnect from"""
                        """ <b>{0}</b>?</p><p>All channels will be closed."""
                        """</p>""").format(self.__server.getName()))
            else:
                ok = True
            if ok:
                self.__socket.blockSignals(True)
                
                self.__send("QUIT :" + self.__quitMessage)
                self.__socket.flush()
                self.__socket.close()
                self.__socket.deleteLater()
                self.__socket = None
        else:
            ok = True
        
        if ok:
            self.__ircNetworkManager.close()
        return ok
    
    def autoConnect(self):
        """
        Public method to initiate the IRC auto connection.
        """
        self.networkWidget.autoConnect()

    def __connectNetwork(self, name, connect, silent=False):
        """
        Private slot to connect to or disconnect from the given network.
        
        @param name name of the network to connect to (string)
        @param connect flag indicating to connect (boolean)
        @keyparam silent flag indicating a silent connect/disconnect (boolean)
        """
        if connect:
            network = self.__ircNetworkManager.getNetwork(name)
            if network:
                self.__server = network.getServer()
                self.__identityName = network.getIdentityName()
                identity = self.__ircNetworkManager.getIdentity(
                    self.__identityName)
                self.__userName = identity.getIdent()
                self.__quitMessage = identity.getQuitMessage()
                if self.__server:
                    useSSL = self.__server.useSSL()
                    if useSSL and not SSL_AVAILABLE:
                        E5MessageBox.critical(
                            self,
                            self.tr("SSL Connection"),
                            self.tr(
                                """An encrypted connection to the IRC"""
                                """ network was requested but SSL is not"""
                                """ available. Please change the server"""
                                """ configuration."""))
                        return
                    
                    if useSSL:
                        # create SSL socket
                        self.__socket = QSslSocket(self)
                        self.__socket.encrypted.connect(self.__hostConnected)
                        self.__socket.sslErrors.connect(self.__sslErrors)
                    else:
                        # create TCP socket
                        self.__socket = QTcpSocket(self)
                        self.__socket.connected.connect(self.__hostConnected)
                    self.__socket.hostFound.connect(self.__hostFound)
                    self.__socket.disconnected.connect(self.__hostDisconnected)
                    self.__socket.readyRead.connect(self.__readyRead)
                    self.__socket.error.connect(self.__tcpError)
                    
                    self.__connectionState = IrcWidget.ServerConnecting
                    if useSSL:
                        self.networkWidget.addServerMessage(
                            self.tr("Info"),
                            self.tr("Looking for server {0} (port {1})"
                                    " using an SSL encrypted connection"
                                    "...").format(self.__server.getName(),
                                                  self.__server.getPort()))
                        self.__socket.connectToHostEncrypted(
                            self.__server.getName(), self.__server.getPort())
                    else:
                        self.networkWidget.addServerMessage(
                            self.tr("Info"),
                            self.tr(
                                "Looking for server {0} (port {1})...").format(
                                self.__server.getName(),
                                self.__server.getPort()))
                        self.__socket.connectToHost(self.__server.getName(),
                                                    self.__server.getPort())
        else:
            if silent:
                ok = True
            else:
                ok = E5MessageBox.yesNo(
                    self,
                    self.tr("Disconnect from Server"),
                    self.tr("""<p>Do you really want to disconnect from"""
                            """ <b>{0}</b>?</p><p>All channels will be"""
                            """ closed.</p>""")
                    .format(self.__server.getName()))
            if ok:
                self.networkWidget.addServerMessage(
                    self.tr("Info"),
                    self.tr("Disconnecting from server {0}...").format(
                        self.__server.getName()))
                self.__closeAllChannels()
                self.__send("QUIT :" + self.__quitMessage)
                self.__socket and self.__socket.flush()
                self.__socket and self.__socket.close()
                self.__userName = ""
                self.__identityName = ""
                self.__quitMessage = ""
    
    def __editNetwork(self, name):
        """
        Private slot to edit the network configuration.
        
        @param name name of the network to edit (string)
        """
        from .IrcNetworkListDialog import IrcNetworkListDialog
        dlg = IrcNetworkListDialog(self.__ircNetworkManager, self)
        dlg.exec_()
    
    def __networkDataChanged(self):
        """
        Private slot handling changes of the network and identity definitions.
        """
        identity = self.__ircNetworkManager.getIdentity(self.__identityName)
        if identity:
            partMsg = identity.getPartMessage()
            for channel in self.__channelList:
                channel.setPartMessage(partMsg)
    
    def __joinChannel(self, name, key=""):
        """
        Private slot to join a channel.
        
        @param name name of the channel (string)
        @param key key of the channel (string)
        """
        # step 1: check, if this channel is already joined
        for channel in self.__channelList:
            if channel.name() == name:
                return
        
        from .IrcChannelWidget import IrcChannelWidget
        channel = IrcChannelWidget(self)
        channel.setName(name)
        channel.setUserName(self.__nickName)
        identity = self.__ircNetworkManager.getIdentity(self.__identityName)
        channel.setPartMessage(identity.getPartMessage())
        channel.setUserPrivilegePrefix(self.__userPrefix)
        channel.initAutoWho()
        
        channel.sendData.connect(self.__send)
        channel.sendCtcpReply.connect(self.__sendCtcpReply)
        channel.channelClosed.connect(self.__closeChannel)
        channel.openPrivateChat.connect(self.__openPrivate)
        
        self.channelsWidget.addTab(channel, name)
        self.__channelList.append(channel)
        self.channelsWidget.setCurrentWidget(channel)
        
        joinCommand = ["JOIN", name]
        if key:
            joinCommand.append(key)
        self.__send(" ".join(joinCommand))
        self.__send("MODE " + name)
        
        emptyIndex = self.channelsWidget.indexOf(self.__emptyLabel)
        if emptyIndex > -1:
            self.channelsWidget.removeTab(emptyIndex)
            self.__leaveButton.setEnabled(True)
        self.channelsWidget.setTabsClosable(True)
    
    def __query(self, match):
        """
        Private method to handle a new private connection.
        
        @param match reference to the match object
        @return flag indicating, if the message was handled (boolean)
        """
        # group(1)   sender user name
        # group(2)   sender user@host
        # group(3)   target nick
        # group(4)   message
        if match.group(4).startswith("\x01"):
            return self.__handleCtcp(match)
        
        self.__openPrivate(match.group(1))
        # the above call sets the new channel as the current widget
        channel = self.channelsWidget.currentWidget()
        channel.addMessage(match.group(1), match.group(4))
        channel.setPrivateInfo(
            "{0} - {1}".format(match.group(1), match.group(2)))
        
        return True
    
    @pyqtSlot(str)
    def __openPrivate(self, name):
        """
        Private slot to open a private chat with the given user.
        
        @param name name of the user (string)
        """
        from .IrcChannelWidget import IrcChannelWidget
        channel = IrcChannelWidget(self)
        channel.setName(self.__nickName)
        channel.setUserName(self.__nickName)
        identity = self.__ircNetworkManager.getIdentity(self.__identityName)
        channel.setPartMessage(identity.getPartMessage())
        channel.setUserPrivilegePrefix(self.__userPrefix)
        channel.setPrivate(True, name)
        channel.addUsers([name, self.__nickName])
        
        channel.sendData.connect(self.__send)
        channel.sendCtcpReply.connect(self.__sendCtcpReply)
        channel.channelClosed.connect(self.__closeChannel)
        
        self.channelsWidget.addTab(channel, name)
        self.__channelList.append(channel)
        self.channelsWidget.setCurrentWidget(channel)
    
    @pyqtSlot()
    def __leaveChannel(self):
        """
        Private slot to leave a channel and close the associated tab.
        """
        channel = self.channelsWidget.currentWidget()
        channel.requestLeave()
    
    def __closeAllChannels(self):
        """
        Private method to close all channels.
        """
        while self.__channelList:
            channel = self.__channelList.pop()
            self.channelsWidget.removeTab(self.channelsWidget.indexOf(channel))
            channel.deleteLater()
            channel = None
        
        self.channelsWidget.addTab(self.__emptyLabel, "")
        self.__emptyLabel.show()
        self.__leaveButton.setEnabled(False)
        self.channelsWidget.setTabsClosable(False)
    
    def __closeChannel(self, name):
        """
        Private slot handling the closing of a channel.
        
        @param name name of the closed channel (string)
        """
        for channel in self.__channelList:
            if channel.name() == name:
                self.channelsWidget.removeTab(
                    self.channelsWidget.indexOf(channel))
                self.__channelList.remove(channel)
                channel.deleteLater()
        
        if self.channelsWidget.count() == 0:
            self.channelsWidget.addTab(self.__emptyLabel, "")
            self.__emptyLabel.show()
            self.__leaveButton.setEnabled(False)
            self.channelsWidget.setTabsClosable(False)
    
    @pyqtSlot(int)
    def on_channelsWidget_tabCloseRequested(self, index):
        """
        Private slot to close a channel by pressing the close button of
        the channels widget.
        
        @param index index of the tab to be closed (integer)
        """
        channel = self.channelsWidget.widget(index)
        channel.requestLeave()
    
    def __send(self, data):
        """
        Private slot to send data to the IRC server.
        
        @param data data to be sent (string)
        """
        if self.__socket:
            self.__socket.write(
                QByteArray("{0}\r\n".format(data).encode("utf-8")))
    
    def __sendCtcpReply(self, receiver, text):
        """
        Private slot to send a CTCP reply.
        
        @param receiver nick name of the receiver (string)
        @param text text to be sent (string)
        """
        self.__send("NOTICE {0} :\x01{1}\x01".format(receiver, text))
    
    def __hostFound(self):
        """
        Private slot to indicate the host was found.
        """
        self.networkWidget.addServerMessage(
            self.tr("Info"),
            self.tr("Server found,connecting..."))
    
    def __hostConnected(self):
        """
        Private slot to log in to the server after the connection was
        established.
        """
        self.networkWidget.addServerMessage(
            self.tr("Info"),
            self.tr("Connected,logging in..."))
        self.networkWidget.setConnected(True)
        
        self.__registering = True
        serverPassword = self.__server.getPassword()
        if serverPassword:
            self.__send("PASS " + serverPassword)
        nick = self.networkWidget.getNickname()
        if not nick:
            self.__nickIndex = 0
            try:
                nick = self.__ircNetworkManager.getIdentity(
                    self.__identityName).getNickNames()[self.__nickIndex]
            except IndexError:
                nick = ""
        if not nick:
            nick = self.__userName
        self.__nickName = nick
        self.networkWidget.setNickName(nick)
        realName = self.__ircNetworkManager.getIdentity(
            self.__identityName).getRealName()
        if not realName:
            realName = "eric IDE chat"
        self.__send("NICK " + nick)
        self.__send("USER " + self.__userName + " 0 * :" + realName)
    
    def __hostDisconnected(self):
        """
        Private slot to indicate the host was disconnected.
        """
        if self.networkWidget.isConnected():
            self.__closeAllChannels()
            self.networkWidget.addServerMessage(
                self.tr("Info"),
                self.tr("Server disconnected."))
            self.networkWidget.setRegistered(False)
            self.networkWidget.setConnected(False)
            self.__server = None
            self.__nickName = ""
            self.__nickIndex = -1
            self.__channelTypePrefixes = ""
            
            self.__socket.deleteLater()
            self.__socket = None
            
            self.__connectionState = IrcWidget.ServerDisconnected
            self.__sslErrorLock = False
    
    def __readyRead(self):
        """
        Private slot to read data from the socket.
        """
        if self.__socket:
            self.__buffer += str(
                self.__socket.readAll(),
                Preferences.getSystem("IOEncoding"),
                'replace')
            if self.__buffer.endswith("\r\n"):
                for line in self.__buffer.splitlines():
                    line = line.strip()
                    if line:
                        logging.debug("<IRC> " + line)
                        handled = False
                        # step 1: give channels a chance to handle the message
                        for channel in self.__channelList:
                            handled = channel.handleMessage(line)
                            if handled:
                                break
                        else:
                            # step 2: try to process the message ourselves
                            for patternRe, patternFunc in self.__patterns:
                                match = patternRe.match(line)
                                if match is not None:
                                    if patternFunc(match):
                                        break
                            else:
                                # Oops, the message wasn't handled
                                self.networkWidget.addErrorMessage(
                                    self.tr("Message Error"),
                                    self.tr(
                                        "Unknown message received from server:"
                                        "<br/>{0}").format(line))
                
                self.__updateUsersCount()
                self.__buffer = ""
    
    def __handleNamedMessage(self, match):
        """
        Private method to handle a server message containing a message name.
        
        @param match reference to the match object
        @return flag indicating, if the message was handled (boolean)
        """
        name = match.group(2)
        if name == "NOTICE":
            try:
                msg = match.group(3).split(":", 1)[1]
            except IndexError:
                msg = match.group(3)
            if "!" in match.group(1):
                name = match.group(1).split("!", 1)[0]
                msg = "-{0}- {1}".format(name, msg)
            self.networkWidget.addServerMessage(self.tr("Notice"), msg)
            return True
        elif name == "MODE":
            self.__registering = False
            if ":" in match.group(3):
                # :detlev_ MODE detlev_ :+i
                name, modes = match.group(3).split(" :")
                sourceNick = match.group(1)
                if not self.isChannelName(name):
                    if name == self.__nickName:
                        if sourceNick == self.__nickName:
                            msg = self.tr(
                                "You have set your personal modes to"
                                " <b>[{0}]</b>.").format(modes)
                        else:
                            msg = self.tr(
                                "{0} has changed your personal modes to"
                                " <b>[{1}]</b>.").format(sourceNick, modes)
                        self.networkWidget.addServerMessage(
                            self.tr("Mode"), msg, filterMsg=False)
                        return True
        elif name == "PART":
            nick = match.group(1).split("!", 1)[0]
            if nick == self.__nickName:
                channel = match.group(3).split(None, 1)[0]
                self.networkWidget.addMessage(
                    self.tr("You have left channel {0}.").format(channel))
                return True
        elif name == "QUIT":
            # don't do anything with it here
            return True
        elif name == "NICK":
            # :[email protected] NICK :newnick
            oldNick = match.group(1).split("!", 1)[0]
            newNick = match.group(3).split(":", 1)[1]
            if oldNick == self.__nickName:
                self.networkWidget.addMessage(
                    self.tr("You are now known as {0}.").format(newNick))
                self.__nickName = newNick
                self.networkWidget.setNickName(newNick)
            else:
                self.networkWidget.addMessage(
                    self.tr("User {0} is now known as {1}.").format(
                        oldNick, newNick))
            return True
        elif name == "ERROR":
            self.networkWidget.addErrorMessage(
                self.tr("Server Error"), match.group(3).split(":", 1)[1])
            return True
        
        return False
    
    def __handleNumericMessage(self, match):
        """
        Private method to handle a server message containing a numeric code.
        
        @param match reference to the match object
        @return flag indicating, if the message was handled (boolean)
        """
        code = int(match.group(2))
        if code < 400:
            return self.__handleServerReply(
                code, match.group(1), match.group(3))
        else:
            return self.__handleServerError(
                code, match.group(1), match.group(3))
    
    def __handleServerError(self, code, server, message):
        """
        Private slot to handle a server error reply.
        
        @param code numerical code sent by the server (integer)
        @param server name of the server (string)
        @param message message sent by the server (string)
        @return flag indicating, if the message was handled (boolean)
        """
        if code == 433:
            if self.__registering:
                self.__handleNickInUseLogin()
            else:
                self.__handleNickInUse()
        else:
            self.networkWidget.addServerMessage(self.tr("Error"), message)
        
        return True
    
    def __handleServerReply(self, code, server, message):
        """
        Private slot to handle a server reply.
        
        @param code numerical code sent by the server (integer)
        @param server name of the server (string)
        @param message message sent by the server (string)
        @return flag indicating, if the message was handled (boolean)
        """
        # determine message type
        if code in [1, 2, 3, 4]:
            msgType = self.tr("Welcome")
        elif code == 5:
            msgType = self.tr("Support")
        elif code in [250, 251, 252, 253, 254, 255, 265, 266]:
            msgType = self.tr("User")
        elif code in [372, 375, 376]:
            msgType = self.tr("MOTD")
        elif code in [305, 306]:
            msgType = self.tr("Away")
        else:
            msgType = self.tr("Info ({0})").format(code)
        
        # special treatment for some messages
        if code == 375:
            message = self.tr("Message of the day")
        elif code == 376:
            message = self.tr("End of message of the day")
        elif code == 4:
            parts = message.strip().split()
            message = self.tr(
                "Server {0} (Version {1}), User-Modes: {2},"
                " Channel-Modes: {3}")\
                .format(parts[1], parts[2], parts[3], parts[4])
        elif code == 265:
            parts = message.strip().split()
            message = self.tr(
                "Current users on {0}: {1}, max. {2}").format(
                server, parts[1], parts[2])
        elif code == 266:
            parts = message.strip().split()
            message = self.tr(
                "Current users on the network: {0}, max. {1}").format(
                parts[1], parts[2])
        elif code == 305:
            message = self.tr("You are no longer marked as being away.")
        elif code == 306:
            message = self.tr("You have been marked as being away.")
        else:
            first, message = message.split(None, 1)
            if message.startswith(":"):
                message = message[1:]
            else:
                message = message.replace(":", "", 1)
        
        self.networkWidget.addServerMessage(msgType, message)
        
        if code == 1:
            # register with services after the welcome message
            self.__connectionState = IrcWidget.ServerConnected
            self.__registerWithServices()
            self.networkWidget.setRegistered(True)
            QTimer.singleShot(1000, self.__autoJoinChannels)
        elif code == 5:
            # extract the user privilege prefixes
            # ... PREFIX=(ov)@+ ...
            m = self.__prefixRe.match(message)
            if m:
                self.__setUserPrivilegePrefix(m.group(1), m.group(2))
            # extract the channel type prefixes
            # ... CHANTYPES=# ...
            m = self.__chanTypesRe.match(message)
            if m:
                self.__setChannelTypePrefixes(m.group(1))
        
        return True
    
    def __registerWithServices(self):
        """
        Private method to register to services.
        """
        identity = self.__ircNetworkManager.getIdentity(self.__identityName)
        service = identity.getServiceName()
        password = identity.getPassword()
        if service and password:
            self.__send("PRIVMSG " + service + " :identify " + password)
    
    def __autoJoinChannels(self):
        """
        Private slot to join channels automatically once a server got
        connected.
        """
        for channel in self.networkWidget.getNetworkChannels():
            if channel.autoJoin():
                name = channel.getName()
                key = channel.getKey()
                self.__joinChannel(name, key)
    
    def __tcpError(self, error):
        """
        Private slot to handle errors reported by the TCP socket.
        
        @param error error code reported by the socket
            (QAbstractSocket.SocketError)
        """
        if error == QAbstractSocket.RemoteHostClosedError:
            # ignore this one, it's a disconnect
            if self.__sslErrorLock:
                self.networkWidget.addErrorMessage(
                    self.tr("SSL Error"),
                    self.tr(
                        """Connection to server {0} (port {1}) lost while"""
                        """ waiting for user response to an SSL error.""")
                    .format(self.__server.getName(), self.__server.getPort()))
                self.__connectionState = IrcWidget.ServerDisconnected
        elif error == QAbstractSocket.HostNotFoundError:
            self.networkWidget.addErrorMessage(
                self.tr("Socket Error"),
                self.tr(
                    "The host was not found. Please check the host name"
                    " and port settings."))
        elif error == QAbstractSocket.ConnectionRefusedError:
            self.networkWidget.addErrorMessage(
                self.tr("Socket Error"),
                self.tr(
                    "The connection was refused by the peer. Please check the"
                    " host name and port settings."))
        elif error == QAbstractSocket.SslHandshakeFailedError:
            self.networkWidget.addErrorMessage(
                self.tr("Socket Error"),
                self.tr("The SSL handshake failed."))
        else:
            if self.__socket:
                self.networkWidget.addErrorMessage(
                    self.tr("Socket Error"),
                    self.tr(
                        "The following network error occurred:<br/>{0}")
                    .format(self.__socket.errorString()))
            else:
                self.networkWidget.addErrorMessage(
                    self.tr("Socket Error"),
                    self.tr("A network error occurred."))
    
    def __sslErrors(self, errors):
        """
        Private slot to handle SSL errors.
        
        @param errors list of SSL errors (list of QSslError)
        """
        ignored, defaultChanged = self.__sslErrorHandler.sslErrors(
            errors, self.__server.getName(), self.__server.getPort())
        if ignored == E5SslErrorHandler.NotIgnored:
            self.networkWidget.addErrorMessage(
                self.tr("SSL Error"),
                self.tr(
                    """Could not connect to {0} (port {1}) using an SSL"""
                    """ encrypted connection. Either the server does not"""
                    """ support SSL (did you use the correct port?) or"""
                    """ you rejected the certificate.""")
                .format(self.__server.getName(), self.__server.getPort()))
            self.__socket.close()
        else:
            if defaultChanged:
                self.__socket.setSslConfiguration(
                    QSslConfiguration.defaultConfiguration())
            if ignored == E5SslErrorHandler.UserIgnored:
                self.networkWidget.addErrorMessage(
                    self.tr("SSL Error"),
                    self.tr(
                        """The SSL certificate for the server {0} (port {1})"""
                        """ failed the authenticity check. SSL errors"""
                        """ were accepted by you.""")
                    .format(self.__server.getName(), self.__server.getPort()))
            if self.__connectionState == IrcWidget.ServerConnecting:
                self.__socket.ignoreSslErrors()
    
    def __setUserPrivilegePrefix(self, prefix1, prefix2):
        """
        Private method to set the user privilege prefix.
        
        @param prefix1 first part of the prefix (string)
        @param prefix2 indictors the first part gets mapped to (string)
        """
        # PREFIX=(ov)@+
        # o = @ -> @ircbot , channel operator
        # v = + -> +userName , voice operator
        for i in range(len(prefix1)):
            self.__userPrefix["+" + prefix1[i]] = prefix2[i]
            self.__userPrefix["-" + prefix1[i]] = ""
    
    def __ping(self, match):
        """
        Private method to handle a PING message.
        
        @param match reference to the match object
        @return flag indicating, if the message was handled (boolean)
        """
        self.__send("PONG " + match.group(1))
        return True
    
    def __handleCtcp(self, match):
        """
        Private method to handle a CTCP command.
        
        @param match reference to the match object
        @return flag indicating, if the message was handled (boolean)
        """
        # group(1)   sender user name
        # group(2)   sender user@host
        # group(3)   target nick
        # group(4)   message
        if match.group(4).startswith("\x01"):
            ctcpCommand = match.group(4)[1:].split("\x01", 1)[0]
            if " " in ctcpCommand:
                ctcpRequest, ctcpArg = ctcpCommand.split(" ", 1)
            else:
                ctcpRequest, ctcpArg = ctcpCommand, ""
            ctcpRequest = ctcpRequest.lower()
            if ctcpRequest == "version":
                if Version.startswith("@@"):
                    vers = ""
                else:
                    vers = " " + Version
                msg = "Eric IRC client{0}, {1}".format(vers, Copyright)
                self.networkWidget.addServerMessage(
                    self.tr("CTCP"),
                    self.tr("Received Version request from {0}.").format(
                        match.group(1)))
                self.__sendCtcpReply(match.group(1), "VERSION " + msg)
            elif ctcpRequest == "ping":
                self.networkWidget.addServerMessage(
                    self.tr("CTCP"),
                    self.tr(
                        "Received CTCP-PING request from {0},"
                        " sending answer.").format(match.group(1)))
                self.__sendCtcpReply(
                    match.group(1), "PING {0}".format(ctcpArg))
            elif ctcpRequest == "clientinfo":
                self.networkWidget.addServerMessage(
                    self.tr("CTCP"),
                    self.tr(
                        "Received CTCP-CLIENTINFO request from {0},"
                        " sending answer.").format(match.group(1)))
                self.__sendCtcpReply(
                    match.group(1),
                    "CLIENTINFO CLIENTINFO PING VERSION")
            else:
                self.networkWidget.addServerMessage(
                    self.tr("CTCP"),
                    self.tr(
                        "Received unknown CTCP-{0} request from {1}.")
                    .format(ctcpRequest, match.group(1)))
            return True
        
        return False
    
    def __updateUsersCount(self):
        """
        Private method to update the users count on the channel tabs.
        """
        for channel in self.__channelList:
            index = self.channelsWidget.indexOf(channel)
            self.channelsWidget.setTabText(
                index,
                self.tr("{0} ({1})", "channel name, users count").format(
                    channel.name(), channel.getUsersCount()))
    
    def __handleNickInUseLogin(self):
        """
        Private method to handle a 443 server error at login.
        """
        self.__nickIndex += 1
        try:
            nick = self.__ircNetworkManager.getIdentity(self.__identityName)\
                .getNickNames()[self.__nickIndex]
            self.__nickName = nick
        except IndexError:
            self.networkWidget.addServerMessage(
                self.tr("Critical"),
                self.tr(
                    "No nickname acceptable to the server configured"
                    " for <b>{0}</b>. Disconnecting...")
                .format(self.__userName),
                filterMsg=False)
            self.__connectNetwork("", False, silent=True)
            self.__nickName = ""
            self.__nickIndex = -1
            return
        
        self.networkWidget.setNickName(nick)
        self.__send("NICK " + nick)
    
    def __handleNickInUse(self):
        """
        Private method to handle a 443 server error.
        """
        self.networkWidget.addServerMessage(
            self.tr("Critical"),
            self.tr("The given nickname is already in use."))
    
    def __changeNick(self, nick):
        """
        Private slot to use a new nick name.
        
        @param nick nick name to use (str)
        """
        if nick and nick != self.__nickName:
            self.__send("NICK " + nick)
    
    def __setChannelTypePrefixes(self, prefixes):
        """
        Private method to set the channel type prefixes.
        
        @param prefixes channel prefix characters (string)
        """
        self.__channelTypePrefixes = prefixes
    
    def isChannelName(self, name):
        """
        Public method to check, if the given name is a channel name.
        
        @param name name to check (string)
        @return flag indicating a channel name (boolean)
        """
        if not name:
            return False
        
        if self.__channelTypePrefixes:
            return name[0] in self.__channelTypePrefixes
        else:
            return name[0] in "#&"
    
    def __away(self, isAway):
        """
        Private slot handling the change of the away state.
        
        @param isAway flag indicating the current away state (boolean)
        """
        if isAway and self.__identityName:
            identity = self.__ircNetworkManager.getIdentity(
                self.__identityName)
            if identity.rememberAwayPosition():
                for channel in self.__channelList:
                    channel.setMarkerLine()
Example #49
0
class MainWindow(QtWidgets.QMainWindow):
    def __init__(self, args):
        super().__init__()
        self.socket = QTcpSocket()
        self.socket.connectToHost('localhost', args.port)
        self.socket.readyRead.connect(self.readFromEmotool)
        self.setAttribute(QtCore.Qt.WA_DeleteOnClose)
        self.setWindowTitle("EmoTool - {}".format(version()))
        self.main_widget = QtWidgets.QTabWidget(self)
        plot_tab = QtWidgets.QWidget(self.main_widget)
        self.main_widget.addTab(plot_tab, "plot")
        l = QtWidgets.QVBoxLayout(plot_tab)
        self.plot_widget = plot_widget = pg.PlotWidget()
        l.addWidget(plot_widget)
        self.plot_widget = plot_widget
        # TODO - make a menu action, not open by default
        c = pg.console.ConsoleWidget(namespace=globals(), text="test console")
        self.main_widget.addTab(c, "debug")
        self.main_widget.setFocus()
        self.setCentralWidget(self.main_widget)

        self.statusBar().showMessage("Starting", 2000)

        self.ticks = defaultdict(list)
        self.vals = defaultdict(list)
        self.data_items = defaultdict(pg.PlotDataItem)

        self.incoming = b''
        self.next_message_size = None

    @coalesce_meth(10) # Limit refreshes, they can be costly
    def log_variables(self, msgs):
        """
        Show points on log window. both @ticks and @vars are arrays

        :param msgs: [(ticks_scalar, [(name, value)])]
        :return:
        """
        new_ticks, new_vals = to_dicts(msgs)
        # TODO - better logic. Right now just shows last second, no zoom in possible. Plus second[ticks] is fixed
        last_tick = msgs[-1][0]
        cutoff_tick = last_tick - 8000
        for name in set(self.ticks.keys()) | set(new_ticks.keys()):
            if name not in self.data_items:
                item = self.data_items[name]
                self.plot_widget.addItem(item)
            else:
                item = self.data_items[name]
            ticks = self.ticks[name]
            vals = self.vals[name]
            i_cutoff = bisect_left(ticks, cutoff_tick)
            del ticks[:i_cutoff]
            del vals[:i_cutoff]
            ticks.extend(new_ticks[name])
            vals.extend(new_vals[name])
            item.setData(ticks, vals)
        first_tick = min([ticks[0] for ticks in self.ticks.values()])
        self.plot_widget.setXRange(first_tick, last_tick)

    def readFromEmotool(self):
        """
        This is a temporary measure - instead of the better solution:
         serial2tcp process <-> app
        We have
         serial2tcp process <-> emotool <-> app
        Just to avoid rewriting the emotool parts to drop asyncio support so they can be reused for app and emotool.

        Quick transport costs calculation (copy cost):
        20000 msg/second
        msg size < 100 bytes
        < 2 MB /second
        """
        self.incoming += self.socket.readAll()
        N = len(self.incoming)
        i = 0
        messages = []
        while i < N:
            if self.next_message_size is None:
                if N - i < SIZEOF_UINT32:
                    break
                self.next_message_size, = unpack('<i', self.incoming[i : i + SIZEOF_UINT32])
                i += SIZEOF_UINT32
            if self.next_message_size > N - i:
                break
            data = self.incoming[i : i + self.next_message_size]
            i += self.next_message_size
            messages.extend(loads(data))
            self.next_message_size = None
        self.incoming = self.incoming[i:]
        if len(messages) > 0:
            self.log_variables(messages)


    def fileQuit(self):
        self.close()

    def closeEvent(self, ce):
        self.fileQuit()
Example #50
0
class Scanner(QMainWindow, Ui_Scanner):
  def __init__(self):
    super(Scanner, self).__init__()
    self.setupUi(self)
    # IP address validator
    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.addrValue.setValidator(QRegExpValidator(rx, self.addrValue))
    # state variable
    self.idle = True
    # number of samples to show on the plot
    self.size = 512 * 512
    self.freq = 143.0
    # buffer and offset for the incoming samples
    self.buffer = bytearray(8 * self.size)
    self.offset = 0
    self.data = np.frombuffer(self.buffer, np.int32)
    # create figure
    figure = Figure()
    figure.set_facecolor('none')
    self.axes = figure.add_subplot(111)
    self.canvas = FigureCanvas(figure)
    self.plotLayout.addWidget(self.canvas)
    self.axes.axis((0.0, 512.0, 0.0, 512.0))
    x, y = np.meshgrid(np.linspace(0.0, 512.0, 513), np.linspace(0.0, 512.0, 513))
    z = x / 512.0 + y * 0.0
    self.mesh = self.axes.pcolormesh(x, y, z, cmap = cm.plasma)
    # create navigation toolbar
    self.toolbar = NavigationToolbar(self.canvas, self.plotWidget, False)
    # remove subplots action
    actions = self.toolbar.actions()
    if int(matplotlib.__version__[0]) < 2:
      self.toolbar.removeAction(actions[7])
    else:
      self.toolbar.removeAction(actions[6])
    self.plotLayout.addWidget(self.toolbar)
    # create TCP socket
    self.socket = QTcpSocket(self)
    self.socket.connected.connect(self.connected)
    self.socket.readyRead.connect(self.read_data)
    self.socket.error.connect(self.display_error)
    # connect signals from buttons and boxes
    self.connectButton.clicked.connect(self.start)
    self.scanButton.clicked.connect(self.scan)
    self.periodValue.valueChanged.connect(self.set_period)
    self.trgtimeValue.valueChanged.connect(self.set_trgtime)
    self.trginvCheck.stateChanged.connect(self.set_trginv)
    self.shdelayValue.valueChanged.connect(self.set_shdelay)
    self.shtimeValue.valueChanged.connect(self.set_shtime)
    self.shinvCheck.stateChanged.connect(self.set_shinv)
    self.acqdelayValue.valueChanged.connect(self.set_acqdelay)
    self.samplesValue.valueChanged.connect(self.set_samples)
    self.pulsesValue.valueChanged.connect(self.set_pulses)
    # create timers
    self.startTimer = QTimer(self)
    self.startTimer.timeout.connect(self.timeout)
    self.meshTimer = QTimer(self)
    self.meshTimer.timeout.connect(self.update_mesh)
    # set default values
    self.periodValue.setValue(200.0)

  def start(self):
    if self.idle:
      self.connectButton.setEnabled(False)
      self.socket.connectToHost(self.addrValue.text(), 1001)
      self.startTimer.start(5000)
    else:
      self.stop()

  def stop(self):
    self.idle = True
    self.socket.abort()
    self.offset = 0
    self.connectButton.setText('Connect')
    self.connectButton.setEnabled(True)
    self.scanButton.setEnabled(True)

  def timeout(self):
    self.display_error('timeout')

  def connected(self):
    self.startTimer.stop()
    self.idle = False
    self.set_period(self.periodValue.value())
    self.set_trgtime(self.trgtimeValue.value())
    self.set_trginv(self.trginvCheck.checkState())
    self.set_shdelay(self.shdelayValue.value())
    self.set_shtime(self.shtimeValue.value())
    self.set_shinv(self.shinvCheck.checkState())
    self.set_acqdelay(self.acqdelayValue.value())
    self.set_samples(self.samplesValue.value())
    self.set_pulses(self.pulsesValue.value())
    # start pulse generators
    self.socket.write(struct.pack('<I', 9<<28))
    self.connectButton.setText('Disconnect')
    self.connectButton.setEnabled(True)
    self.scanButton.setEnabled(True)

  def read_data(self):
    size = self.socket.bytesAvailable()
    if self.offset + size < 8 * self.size:
      self.buffer[self.offset:self.offset + size] = self.socket.read(size)
      self.offset += size
    else:
      self.meshTimer.stop()
      self.buffer[self.offset:8 * self.size] = self.socket.read(8 * self.size - self.offset)
      self.offset = 0
      self.update_mesh()
      self.scanButton.setEnabled(True)

  def display_error(self, socketError):
    self.startTimer.stop()
    if socketError == 'timeout':
      QMessageBox.information(self, 'Scanner', 'Error: connection timeout.')
    else:
      QMessageBox.information(self, 'Scanner', 'Error: %s.' % self.socket.errorString())
    self.stop()

  def set_period(self, value):
    # set maximum delays and times to half period
    maximum = int(value * 5.0 + 0.5) / 10.0
    self.trgtimeValue.setMaximum(maximum)
    self.shdelayValue.setMaximum(maximum)
    self.shtimeValue.setMaximum(maximum)
    self.acqdelayValue.setMaximum(maximum)
    # set maximum number of samples per pulse
    maximum = int(value * 500.0 + 0.5) / 10.0
    if maximum > 256.0: maximum = 256.0
    self.samplesValue.setMaximum(maximum)
    shdelay = value * 0.25
    samples = value * 0.5
    if self.idle: return
    self.socket.write(struct.pack('<I', 0<<28 | int(value * self.freq)))

  def set_trgtime(self, value):
    if self.idle: return
    self.socket.write(struct.pack('<I', 1<<28 | int(value * self.freq)))

  def set_trginv(self, checked):
    if self.idle: return
    self.socket.write(struct.pack('<I', 2<<28 | int(checked == Qt.Checked)))

  def set_shdelay(self, value):
    if self.idle: return
    self.socket.write(struct.pack('<I', 3<<28 | int(value * self.freq)))

  def set_shtime(self, value):
    if self.idle: return
    self.socket.write(struct.pack('<I', 4<<28 | int(value * self.freq)))

  def set_shinv(self, checked):
    if self.idle: return
    self.socket.write(struct.pack('<I', 5<<28 | int(checked == Qt.Checked)))

  def set_acqdelay(self, value):
    if self.idle: return
    self.socket.write(struct.pack('<I', 6<<28 | int(value * self.freq)))

  def set_samples(self, value):
    if self.idle: return
    self.socket.write(struct.pack('<I', 7<<28 | int(value)))

  def set_pulses(self, value):
    if self.idle: return
    self.socket.write(struct.pack('<I', 8<<28 | int(value)))

  def scan(self):
    if self.idle: return
    self.scanButton.setEnabled(False)
    self.data[:] = np.zeros(2 * 512 * 512, np.int32)
    self.update_mesh()
    self.socket.write(struct.pack('<I', 10<<28))
    self.meshTimer.start(1000)

  def update_mesh(self):
    self.mesh.set_array(self.data[0::2]/(self.samplesValue.value() * self.pulsesValue.value() * 8192.0))
    self.canvas.draw()
Example #51
0
class VNA(QMainWindow, Ui_VNA):

  max_size = 16383

  formatter = matplotlib.ticker.FuncFormatter(lambda x, pos: '%1.1fM' % (x * 1e-6) if abs(x) >= 1e6 else '%1.1fk' % (x * 1e-3) if abs(x) >= 1e3 else '%1.1f' % x if abs(x) >= 1e0 else '%1.1fm' % (x * 1e+3) if abs(x) >= 1e-3 else '%1.1fu' % (x * 1e+6) if abs(x) >= 1e-6 else '%1.1f' % x)

  def __init__(self):
    super(VNA, self).__init__()
    self.setupUi(self)
    # IP address validator
    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.addrValue.setValidator(QRegExpValidator(rx, self.addrValue))
    # state variable
    self.idle = True
    # sweep parameters
    self.sweep_start = 100
    self.sweep_stop = 60000
    self.sweep_size = 600
    self.xaxis, self.sweep_step = np.linspace(self.sweep_start, self.sweep_stop, self.sweep_size, retstep = True)
    self.xaxis *= 1000
    # buffer and offset for the incoming samples
    self.buffer = bytearray(32 * VNA.max_size)
    self.offset = 0
    self.data = np.frombuffer(self.buffer, np.complex64)
    self.adc1 = np.zeros(VNA.max_size, np.complex64)
    self.adc2 = np.zeros(VNA.max_size, np.complex64)
    self.dac1 = np.zeros(VNA.max_size, np.complex64)
    self.open = np.zeros(VNA.max_size, np.complex64)
    self.short = np.zeros(VNA.max_size, np.complex64)
    self.load = np.zeros(VNA.max_size, np.complex64)
    self.dut = np.zeros(VNA.max_size, np.complex64)
    self.mode = 'dut'
    # create figure
    self.figure = Figure()
    self.figure.set_facecolor('none')
    self.canvas = FigureCanvas(self.figure)
    self.plotLayout.addWidget(self.canvas)
    # create navigation toolbar
    self.toolbar = NavigationToolbar(self.canvas, self.plotWidget, False)
    # remove subplots action
    actions = self.toolbar.actions()
    self.toolbar.removeAction(actions[7])
    self.plotLayout.addWidget(self.toolbar)
    # create TCP socket
    self.socket = QTcpSocket(self)
    self.socket.connected.connect(self.connected)
    self.socket.readyRead.connect(self.read_data)
    self.socket.error.connect(self.display_error)
    # connect signals from buttons and boxes
    self.sweepFrame.setEnabled(False)
    self.dutSweep.setEnabled(False)
    self.connectButton.clicked.connect(self.start)
    self.writeButton.clicked.connect(self.write_cfg)
    self.readButton.clicked.connect(self.read_cfg)
    self.openSweep.clicked.connect(self.sweep_open)
    self.shortSweep.clicked.connect(self.sweep_short)
    self.loadSweep.clicked.connect(self.sweep_load)
    self.dutSweep.clicked.connect(self.sweep_dut)
    self.s1pButton.clicked.connect(self.write_s1p)
    self.startValue.valueChanged.connect(self.set_start)
    self.stopValue.valueChanged.connect(self.set_stop)
    self.sizeValue.valueChanged.connect(self.set_size)
    self.openPlot.clicked.connect(self.plot_open)
    self.shortPlot.clicked.connect(self.plot_short)
    self.loadPlot.clicked.connect(self.plot_load)
    self.dutPlot.clicked.connect(self.plot_dut)
    self.smithPlot.clicked.connect(self.plot_smith)
    self.impPlot.clicked.connect(self.plot_imp)
    self.rcPlot.clicked.connect(self.plot_rc)
    self.swrPlot.clicked.connect(self.plot_swr)
    self.rlPlot.clicked.connect(self.plot_rl)
    # create timer
    self.startTimer = QTimer(self)
    self.startTimer.timeout.connect(self.timeout)

  def start(self):
    if self.idle:
      self.connectButton.setEnabled(False)
      self.socket.connectToHost(self.addrValue.text(), 1001)
      self.startTimer.start(5000)
    else:
      self.stop()

  def stop(self):
    self.idle = True
    self.socket.abort()
    self.offset = 0
    self.connectButton.setText('Connect')
    self.connectButton.setEnabled(True)
    self.sweepFrame.setEnabled(False)
    self.selectFrame.setEnabled(True)
    self.dutSweep.setEnabled(False)

  def timeout(self):
    self.display_error('timeout')

  def connected(self):
    self.startTimer.stop()
    self.idle = False
    self.set_start(self.startValue.value())
    self.set_stop(self.stopValue.value())
    self.set_size(self.sizeValue.value())
    self.connectButton.setText('Disconnect')
    self.connectButton.setEnabled(True)
    self.sweepFrame.setEnabled(True)
    self.dutSweep.setEnabled(True)

  def read_data(self):
    size = self.socket.bytesAvailable()
    if self.offset + size < 32 * self.sweep_size:
      self.buffer[self.offset:self.offset + size] = self.socket.read(size)
      self.offset += size
    else:
      self.buffer[self.offset:32 * self.sweep_size] = self.socket.read(32 * self.sweep_size - self.offset)
      self.offset = 0
      self.adc1 = self.data[0::4]
      self.adc2 = self.data[1::4]
      self.dac1 = self.data[2::4]
      getattr(self, self.mode)[0:self.sweep_size] = self.adc1[0:self.sweep_size] / self.dac1[0:self.sweep_size]
      self.sweepFrame.setEnabled(True)
      self.selectFrame.setEnabled(True)
      getattr(self, 'plot_%s' % self.mode)()

  def display_error(self, socketError):
    self.startTimer.stop()
    if socketError == 'timeout':
      QMessageBox.information(self, 'VNA', 'Error: connection timeout.')
    else:
      QMessageBox.information(self, 'VNA', 'Error: %s.' % self.socket.errorString())
    self.stop()

  def set_start(self, value):
    self.sweep_start = value
    self.xaxis, self.sweep_step = np.linspace(self.sweep_start, self.sweep_stop, self.sweep_size, retstep = True)
    self.xaxis *= 1000
    if self.idle: return
    self.socket.write(struct.pack('<I', 0<<28 | int(value * 1000)))

  def set_stop(self, value):
    self.sweep_stop = value
    self.xaxis, self.sweep_step = np.linspace(self.sweep_start, self.sweep_stop, self.sweep_size, retstep = True)
    self.xaxis *= 1000
    if self.idle: return
    self.socket.write(struct.pack('<I', 1<<28 | int(value * 1000)))

  def set_size(self, value):
    self.sweep_size = value
    self.xaxis, self.sweep_step = np.linspace(self.sweep_start, self.sweep_stop, self.sweep_size, retstep = True)
    self.xaxis *= 1000
    if self.idle: return
    self.socket.write(struct.pack('<I', 2<<28 | int(value)))

  def sweep(self):
    if self.idle: return
    self.sweepFrame.setEnabled(False)
    self.selectFrame.setEnabled(False)
    self.socket.write(struct.pack('<I', 3<<28))

  def sweep_open(self):
    self.mode = 'open'
    self.sweep()

  def sweep_short(self):
    self.mode = 'short'
    self.sweep()

  def sweep_load(self):
    self.mode = 'load'
    self.sweep()

  def sweep_dut(self):
    self.mode = 'dut'
    self.sweep()

  def impedance(self):
    return 50.0 * (self.open[0:self.sweep_size] - self.load[0:self.sweep_size]) * (self.dut[0:self.sweep_size] - self.short[0:self.sweep_size]) / ((self.load[0:self.sweep_size] - self.short[0:self.sweep_size]) * (self.open[0:self.sweep_size] - self.dut[0:self.sweep_size]))

  def gamma(self):
    z = self.impedance()
    return (z - 50.0)/(z + 50.0)

  def plot_magphase(self, data):
    matplotlib.rcdefaults()
    self.figure.clf()
    self.figure.subplots_adjust(top = 0.98, right = 0.88)
    axes1 = self.figure.add_subplot(111)
    axes1.cla()
    axes1.xaxis.set_major_formatter(VNA.formatter)
    axes1.yaxis.set_major_formatter(VNA.formatter)
    axes1.tick_params('y', color = 'blue', labelcolor = 'blue')
    axes1.yaxis.label.set_color('blue')
    axes1.plot(self.xaxis, np.absolute(data), color = 'blue')
    axes2 = axes1.twinx()
    axes2.spines['left'].set_color('blue')
    axes2.spines['right'].set_color('red')
    axes1.set_xlabel('Hz')
    axes1.set_ylabel('Magnitude')
    axes2.set_ylabel('Phase angle')
    axes2.tick_params('y', color = 'red', labelcolor = 'red')
    axes2.yaxis.label.set_color('red')
    axes2.plot(self.xaxis, np.angle(data, deg = True), color = 'red')
    self.canvas.draw()

  def plot_open(self):
    self.plot_magphase(self.open[0:self.sweep_size])

  def plot_short(self):
    self.plot_magphase(self.short[0:self.sweep_size])

  def plot_load(self):
    self.plot_magphase(self.load[0:self.sweep_size])

  def plot_dut(self):
    self.plot_magphase(self.dut[0:self.sweep_size])

  def plot_smith(self):
    matplotlib.rcdefaults()
    self.figure.clf()
    self.figure.subplots_adjust(top = 0.90, right = 0.90)
    axes = self.figure.add_subplot(111, projection = 'smith', axes_radius = 0.55, axes_scale = 50.0)
    axes.cla()
    axes.plot(self.impedance())
    self.canvas.draw()

  def plot_imp(self):
    self.plot_magphase(self.impedance())

  def plot_rc(self):
    self.plot_magphase(self.gamma())

  def plot_swr(self):
    matplotlib.rcdefaults()
    self.figure.clf()
    self.figure.subplots_adjust(top = 0.98, right = 0.88)
    axes1 = self.figure.add_subplot(111)
    axes1.cla()
    axes1.xaxis.set_major_formatter(VNA.formatter)
    axes1.yaxis.set_major_formatter(VNA.formatter)
    axes1.set_xlabel('Hz')
    axes1.set_ylabel('SWR')
    magnitude = np.absolute(self.gamma())
    swr = np.maximum(1.0, np.minimum(100.0, (1.0 + magnitude) / np.maximum(1.0e-20, 1.0 - magnitude)))
    axes1.plot(self.xaxis, swr, color = 'blue')
    self.canvas.draw()

  def plot_rl(self):
    matplotlib.rcdefaults()
    self.figure.clf()
    self.figure.subplots_adjust(top = 0.98, right = 0.88)
    axes1 = self.figure.add_subplot(111)
    axes1.cla()
    axes1.xaxis.set_major_formatter(VNA.formatter)
    axes1.set_xlabel('Hz')
    axes1.set_ylabel('Return loss, dB')
    magnitude = np.absolute(self.gamma())
    axes1.plot(self.xaxis, 20.0 * np.log10(magnitude), color = 'blue')
    self.canvas.draw()

  def write_cfg(self):
    name = QFileDialog.getSaveFileName(self, 'Write configuration settings', '.', '*.ini')
    settings = QSettings(name[0], QSettings.IniFormat)
    self.write_cfg_settings(settings)

  def read_cfg(self):
    name = QFileDialog.getOpenFileName(self, 'Read configuration settings', '.', '*.ini')
    settings = QSettings(name[0], QSettings.IniFormat)
    self.read_cfg_settings(settings)

  def write_cfg_settings(self, settings):
    settings.setValue('start', self.startValue.value())
    settings.setValue('stop', self.stopValue.value())
    size = self.sizeValue.value()
    settings.setValue('size', size)
    for i in range(0, size):
      settings.setValue('open_real_%d' % i, float(self.open.real[i]))
      settings.setValue('open_imag_%d' % i, float(self.open.imag[i]))
    for i in range(0, size):
      settings.setValue('short_real_%d' % i, float(self.short.real[i]))
      settings.setValue('short_imag_%d' % i, float(self.short.imag[i]))
    for i in range(0, size):
      settings.setValue('load_real_%d' % i, float(self.load.real[i]))
      settings.setValue('load_imag_%d' % i, float(self.load.imag[i]))
    for i in range(0, size):
      settings.setValue('dut_real_%d' % i, float(self.dut.real[i]))
      settings.setValue('dut_imag_%d' % i, float(self.dut.imag[i]))

  def read_cfg_settings(self, settings):
    self.startValue.setValue(settings.value('start', 100, type = int))
    self.stopValue.setValue(settings.value('stop', 60000, type = int))
    size = settings.value('size', 600, type = int)
    self.sizeValue.setValue(size)
    for i in range(0, size):
      real = settings.value('open_real_%d' % i, 0.0, type = float)
      imag = settings.value('open_imag_%d' % i, 0.0, type = float)
      self.open[i] = real + 1.0j * imag
    for i in range(0, size):
      real = settings.value('short_real_%d' % i, 0.0, type = float)
      imag = settings.value('short_imag_%d' % i, 0.0, type = float)
      self.short[i] = real + 1.0j * imag
    for i in range(0, size):
      real = settings.value('load_real_%d' % i, 0.0, type = float)
      imag = settings.value('load_imag_%d' % i, 0.0, type = float)
      self.load[i] = real + 1.0j * imag
    for i in range(0, size):
      real = settings.value('dut_real_%d' % i, 0.0, type = float)
      imag = settings.value('dut_imag_%d' % i, 0.0, type = float)
      self.dut[i] = real + 1.0j * imag

  def write_s1p(self):
    name = QFileDialog.getSaveFileName(self, 'Write s1p file', '.', '*.s1p')
    fh = open(name[0], 'w')
    gamma = self.gamma()
    size = self.sizeValue.value()
    fh.write('# GHz S MA R 50\n')
    for i in range(0, size):
      fh.write('0.0%.8d   %8.6f %7.2f\n' % (self.xaxis[i], np.absolute(gamma[i]), np.angle(gamma[i], deg = True)))
    fh.close()
Example #52
0
    def __init__(self, parent=None):
        super(Client, self).__init__(parent)

        self.networkSession = None
        self.blockSize = 0
        self.currentFortune = ""

        hostLabel = QLabel("&Server name:")
        portLabel = QLabel("S&erver port:")

        self.hostCombo = QComboBox()
        self.hostCombo.setEditable(True)

        name = QHostInfo.localHostName()
        if name != "":
            self.hostCombo.addItem(name)

            domain = QHostInfo.localDomainName()
            if domain != "":
                self.hostCombo.addItem(name + "." + domain)

        if name != "localhost":
            self.hostCombo.addItem("localhost")

        ipAddressesList = QNetworkInterface.allAddresses()

        for ipAddress in ipAddressesList:
            if not ipAddress.isLoopback():
                self.hostCombo.addItem(ipAddress.toString())

        for ipAddress in ipAddressesList:
            if ipAddress.isLoopback():
                self.hostCombo.addItem(ipAddress.toString())

        self.portLineEdit = QLineEdit()
        self.portLineEdit.setValidator(QIntValidator(1, 65535, self))

        hostLabel.setBuddy(self.hostCombo)
        portLabel.setBuddy(self.portLineEdit)

        self.statusLabel = QLabel("This examples requires that you run " "the Fortune Server example as well.")

        self.getFortuneButton = QPushButton("Get Fortune")
        self.getFortuneButton.setDefault(True)
        self.getFortuneButton.setEnabled(False)

        quitButton = QPushButton("Quit")

        buttonBox = QDialogButtonBox()
        buttonBox.addButton(self.getFortuneButton, QDialogButtonBox.ActionRole)
        buttonBox.addButton(quitButton, QDialogButtonBox.RejectRole)

        self.tcpSocket = QTcpSocket(self)

        self.hostCombo.editTextChanged.connect(self.enableGetFortuneButton)
        self.portLineEdit.textChanged.connect(self.enableGetFortuneButton)
        self.getFortuneButton.clicked.connect(self.requestNewFortune)
        quitButton.clicked.connect(self.close)
        self.tcpSocket.readyRead.connect(self.readFortune)
        self.tcpSocket.error.connect(self.displayError)

        mainLayout = QGridLayout()
        mainLayout.addWidget(hostLabel, 0, 0)
        mainLayout.addWidget(self.hostCombo, 0, 1)
        mainLayout.addWidget(portLabel, 1, 0)
        mainLayout.addWidget(self.portLineEdit, 1, 1)
        mainLayout.addWidget(self.statusLabel, 2, 0, 1, 2)
        mainLayout.addWidget(buttonBox, 3, 0, 1, 2)
        self.setLayout(mainLayout)

        self.setWindowTitle("Fortune Client")
        self.portLineEdit.setFocus()

        manager = QNetworkConfigurationManager()
        if manager.capabilities() & QNetworkConfigurationManager.NetworkSessionRequired:
            settings = QSettings(QSettings.UserScope, "QtProject")
            settings.beginGroup("QtNetwork")
            id = settings.value("DefaultNetworkConfiguration")
            settings.endGroup()

            config = manager.configurationFromIdentifier(id)
            if config.state() & QNetworkConfiguration.Discovered == 0:
                config = manager.defaultConfiguration()

            self.networkSession = QNetworkSession(config, self)
            self.networkSession.opened.connect(self.sessionOpened)

            self.getFortuneButton.setEnabled(False)
            self.statusLabel.setText("Opening network session.")
            self.networkSession.open()
    def run(self):
        self.mutex.lock()
        serverName = self.hostName
        serverPort = self.port
        self.mutex.unlock()

        while not self.quit:
            Timeout = 5 * 1000

            socket = QTcpSocket()
            socket.connectToHost(serverName, serverPort)

            if not socket.waitForConnected(Timeout):
                self.error.emit(socket.error(), socket.errorString())
                return

            while socket.bytesAvailable() < 2:
                if not socket.waitForReadyRead(Timeout):
                    self.error.emit(socket.error(), socket.errorString())
                    return 

            instr = QDataStream(socket)
            instr.setVersion(QDataStream.Qt_4_0)
            blockSize = instr.readUInt16()

            while socket.bytesAvailable() < blockSize:
                if not socket.waitForReadyRead(Timeout):
                    self.error.emit(socket.error(), socket.errorString())
                    return

            self.mutex.lock()
            fortune = instr.readQString()
            self.newFortune.emit(fortune)

            self.cond.wait(self.mutex)
            serverName = self.hostName
            serverPort = self.port
            self.mutex.unlock()
Example #54
0
class Main(QMainWindow):
    def __init__(self, *args):
        super(Main, self).__init__(*args)

        loadUi('mainwindow.ui', self)

        self.host.setText("localhost")
        self.port.setText("11010")
        self.prompt.setText("M114")

        self.conn = QTcpSocket(self)
        self.conn.readyRead.connect(self.readSocket)
        self.conn.error.connect(self.socketError)
        self.conn.connected.connect(self.socketConnect)
        self.conn.disconnected.connect(self.socketDisconnect)

        self.connected = False

        self.actionSave.triggered.connect(self.save)

        self.prompt.setFocus()

        self.do_connect()

    def append(self, text):
        self.text.append(text)

        if self.autoscroll.isChecked():
            c = self.text.textCursor()
            c.movePosition(QTextCursor.End, QTextCursor.MoveAnchor)
            self.text.setTextCursor(c)

    def readSocket(self):
        r = self.conn.readAll()
        if r:
            r = str(r).strip()
            for chunk in r.splitlines():
                if chunk:
                    if chunk[0] == '<':
                        self.text.setTextColor(QColor(200, 0, 0))
                    elif chunk[0] == '>':
                        self.text.setTextColor(QColor(0, 200, 0))
                    else:
                        self.text.setTextColor(QColor(0, 0, 200))

                    self.append(chunk)

    def info(self, errtext):
        self.text.setTextColor(QColor(20, 20, 20))
        self.append(errtext)

    def err(self, errtext):
        self.text.setTextColor(QColor(100, 0, 0))
        self.append(errtext)

    def socketDisconnect(self):
        self.connected = False
        self.err("Disconnected")

    def socketConnect(self):
        self.connected = True
        self.info("Connected")

    def socketError(self, socketError):
        if socketError == QAbstractSocket.RemoteHostClosedError:
            pass
        elif socketError == QAbstractSocket.HostNotFoundError:
            self.err("The host was not found. Please check the host name and "
                     "port settings.")

        elif socketError == QAbstractSocket.ConnectionRefusedError:
            self.err("The connection was refused by the peer. Make sure the "
                     "server is running, and check that the host name "
                     "and port settings are correct.")
        else:
            self.err("The following error occurred: {0}"
                     .format(self.conn.errorString()))

    def save(self):
        fname, sel = QFileDialog.getSaveFileName(
            self,
            'Save Log',)
            #'/path/to/default/directory', FIXME: lastused
            #selectedFilter='*.txt')

        if fname:
            with open(fname, 'w+') as f:
                f.write(self.text.toPlainText())

    def do_connect(self):
        self.conn.abort()
        self.conn.connectToHost(self.host.text(),
                                int(self.port.text()))

    @pyqtSlot()
    def on_connect_clicked(self):
        self.do_connect()
        self.prompt.setFocus()

    @pyqtSlot()
    def on_send_clicked(self):
        if not self.connected:
            self.err("Not connected")
            return
        out = (self.prompt.text() + '\n').encode('ascii')
        self.conn.write(out)

    @pyqtSlot()
    def on_right_on_clicked(self):
        self.action("e1")
Example #55
0
class PulsedNMR(QMainWindow, Ui_PulsedNMR):
  rates = {0:25.0e3, 1:50.0e3, 2:250.0e3, 3:500.0e3, 4:2500.0e3}
  def __init__(self):
    super(PulsedNMR, self).__init__()
    self.setupUi(self)
    self.rateValue.addItems(['25', '50', '250', '500', '2500'])
    # IP address validator
    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.addrValue.setValidator(QRegExpValidator(rx, self.addrValue))
    # state variable
    self.idle = True
    # number of samples to show on the plot
    self.size = 50000
    # buffer and offset for the incoming samples
    self.buffer = bytearray(8 * self.size)
    self.offset = 0
    # create figure
    figure = Figure()
    figure.set_facecolor('none')
    self.axes = figure.add_subplot(111)
    self.canvas = FigureCanvas(figure)
    self.plotLayout.addWidget(self.canvas)
    # create navigation toolbar
    self.toolbar = NavigationToolbar(self.canvas, self.plotWidget, False)
    # remove subplots action
    actions = self.toolbar.actions()
    self.toolbar.removeAction(actions[7])
    self.plotLayout.addWidget(self.toolbar)
    # create TCP socket
    self.socket = QTcpSocket(self)
    self.socket.connected.connect(self.connected)
    self.socket.readyRead.connect(self.read_data)
    self.socket.error.connect(self.display_error)
    # connect signals from buttons and boxes
    self.startButton.clicked.connect(self.start)
    self.freqValue.valueChanged.connect(self.set_freq)
    self.awidthValue.valueChanged.connect(self.set_awidth)
    self.deltaValue.valueChanged.connect(self.set_delta)
    self.rateValue.currentIndexChanged.connect(self.set_rate)
    # set rate
    self.rateValue.setCurrentIndex(2)
    # create timer for the repetitions
    self.timer = QTimer(self)
    self.timer.timeout.connect(self.fire)

  def start(self):
    if self.idle:
      self.startButton.setEnabled(False)
      self.socket.connectToHost(self.addrValue.text(), 1001)
    else:
      self.idle = True
      self.timer.stop()
      self.socket.close()
      self.offset = 0
      self.startButton.setText('Start')
      self.startButton.setEnabled(True)

  def connected(self):
    self.idle = False
    self.set_freq(self.freqValue.value())
    self.set_rate(self.rateValue.currentIndex())
    self.set_awidth(self.awidthValue.value())
    self.fire()
    self.timer.start(self.deltaValue.value())
    self.startButton.setText('Stop')
    self.startButton.setEnabled(True)

  def read_data(self):
    size = self.socket.bytesAvailable()
    if self.offset + size < 8 * self.size:
      self.buffer[self.offset:self.offset + size] = self.socket.read(size)
      self.offset += size
    else:
      self.buffer[self.offset:8 * self.size] = self.socket.read(8 * self.size - self.offset)
      self.offset = 0
      # plot the signal envelope
      data = np.frombuffer(self.buffer, np.complex64)
      self.curve.set_ydata(np.abs(data))
      self.canvas.draw()

  def display_error(self, socketError):
    if socketError == QAbstractSocket.RemoteHostClosedError:
      pass
    else:
      QMessageBox.information(self, 'PulsedNMR', 'Error: %s.' % self.socket.errorString())
    self.startButton.setText('Start')
    self.startButton.setEnabled(True)

  def set_freq(self, value):
    if self.idle: return
    self.socket.write(struct.pack('<I', 0<<28 | int(1.0e6 * value)))

  def set_rate(self, index):
    # time axis
    rate = float(PulsedNMR.rates[index])
    time = np.linspace(0.0, (self.size - 1) * 1000.0 / rate, self.size)
    # reset toolbar
    self.toolbar.home()
    self.toolbar._views.clear()
    self.toolbar._positions.clear()
    # reset plot
    self.axes.clear()
    self.axes.grid()
    # plot zeros and get store the returned Line2D object
    self.curve, = self.axes.plot(time, np.zeros(self.size))
    x1, x2, y1, y2 = self.axes.axis()
    # set y axis limits
    self.axes.axis((x1, x2, -0.1, 0.4))
    self.axes.set_xlabel('time, ms')
    self.canvas.draw()
    # set repetition time
    minimum = self.size / rate * 2000.0
    if minimum < 100.0: minimum = 100.0
    self.deltaValue.setMinimum(minimum)
    self.deltaValue.setValue(minimum)
    if self.idle: return
    self.socket.write(struct.pack('<I', 1<<28 | index))

  def set_awidth(self, value):
    if self.idle: return
    self.socket.write(struct.pack('<I', 2<<28 | int(1.0e1 * value)))

  def set_delta(self, value):
    if self.idle: return
    self.timer.stop()
    self.timer.start(value)

  def fire(self):
    if self.idle: return
    self.socket.write(struct.pack('<I', 3<<28))
Example #56
-1
class Client(QDialog):
    def __init__(self):
        super().__init__()
        self.tcpSocket = QTcpSocket(self)
        self.blockSize = 0
        self.makeRequest()
        self.tcpSocket.waitForConnected(1000)
        # send any message you like it could come from a widget text.
        self.tcpSocket.write(b'hello')
        self.tcpSocket.readyRead.connect(self.dealCommunication)
        self.tcpSocket.error.connect(self.displayError)

    def makeRequest(self):
        HOST = '127.0.0.1'
        PORT = 8000
        self.tcpSocket.connectToHost(HOST, PORT, QIODevice.ReadWrite)

    def dealCommunication(self):
        instr = QDataStream(self.tcpSocket)
        instr.setVersion(QDataStream.Qt_5_0)
        if self.blockSize == 0:
            if self.tcpSocket.bytesAvailable() < 2:
                return
            self.blockSize = instr.readUInt16()
        if self.tcpSocket.bytesAvailable() < self.blockSize:
            return
        # Print response to terminal, we could use it anywhere else we wanted.
        print(str(instr.readString(), encoding='ascii'))

    def displayError(self, socketError):
        if socketError == QAbstractSocket.RemoteHostClosedError:
            pass
        else:
            print(self, "The following error occurred: %s." % self.tcpSocket.errorString())