class Voltage(PluginBase): qtcb_voltage = pyqtSignal(int) def __init__(self, ipcon, uid, version): PluginBase.__init__(self, ipcon, uid, 'Voltage Bricklet', version) self.vol = BrickletVoltage(uid, ipcon) self.qtcb_voltage.connect(self.cb_voltage) self.vol.register_callback(self.vol.CALLBACK_VOLTAGE, self.qtcb_voltage.emit) self.voltage_label = CurrentLabel('Voltage: ') self.current_value = None plot_list = [['', Qt.red, self.get_current_value]] self.plot_widget = PlotWidget('Voltage [mV]', plot_list) layout_h = QHBoxLayout() layout_h.addStretch() layout_h.addWidget(self.voltage_label) layout_h.addStretch() layout = QVBoxLayout(self) layout.addLayout(layout_h) layout.addWidget(self.plot_widget) def start(self): async_call(self.vol.get_voltage, None, self.cb_voltage, self.increase_error_count) async_call(self.vol.set_voltage_callback_period, 100, None, self.increase_error_count) self.plot_widget.stop = False def stop(self): async_call(self.vol.set_voltage_callback_period, 0, None, self.increase_error_count) self.plot_widget.stop = True def get_url_part(self): return 'voltage' @staticmethod def has_device_identifier(device_identifier): return device_identifier == BrickletVoltage.DEVICE_IDENTIFIER def get_current_value(self): return self.current_value def cb_voltage(self, voltage): self.current_value = voltage self.voltage_label.setText(str(voltage/1000.0))
def __init__(self, ipcon, uid, version): PluginBase.__init__(self, ipcon, uid, 'Voltage Bricklet', version) self.vol = BrickletVoltage(uid, ipcon) self.qtcb_voltage.connect(self.cb_voltage) self.vol.register_callback(self.vol.CALLBACK_VOLTAGE, self.qtcb_voltage.emit) self.voltage_label = CurrentLabel('Voltage: ') self.current_value = None plot_list = [['', Qt.red, self.get_current_value]] self.plot_widget = PlotWidget('Voltage [mV]', plot_list) layout_h = QHBoxLayout() layout_h.addStretch() layout_h.addWidget(self.voltage_label) layout_h.addStretch() layout = QVBoxLayout(self) layout.addLayout(layout_h) layout.addWidget(self.plot_widget)