class LinearPoti(PluginBase): qtcb_position = pyqtSignal(int) def __init__(self, ipcon, uid, version): PluginBase.__init__(self, ipcon, uid, 'Linear Poti Bricklet', version) self.lp = BrickletLinearPoti(uid, ipcon) self.qtcb_position.connect(self.cb_position) self.lp.register_callback(self.lp.CALLBACK_POSITION, self.qtcb_position.emit) self.slider = QSlider(Qt.Horizontal) self.slider.setRange(0, 100) self.position_label = PositionLabel('Position: ') self.current_value = None plot_list = [['', Qt.red, self.get_current_value]] self.plot_widget = PlotWidget('Position', plot_list) layout_h = QHBoxLayout() layout_h.addStretch() layout_h.addWidget(self.position_label) layout_h.addWidget(self.slider) layout_h.addStretch() layout = QVBoxLayout(self) layout.addLayout(layout_h) layout.addWidget(self.plot_widget) def start(self): async_call(self.lp.get_position, None, self.cb_position, self.increase_error_count) async_call(self.lp.set_position_callback_period, 20, None, self.increase_error_count) self.plot_widget.stop = False def stop(self): async_call(self.lp.set_position_callback_period, 0, None, self.increase_error_count) self.plot_widget.stop = True def get_url_part(self): return 'linear_poti' @staticmethod def has_device_identifier(device_identifier): return device_identifier == BrickletLinearPoti.DEVICE_IDENTIFIER def get_current_value(self): return self.current_value def cb_position(self, position): self.current_value = position self.slider.setValue(position) self.position_label.setText(str(position))
def __init__(self, ipcon, uid, version): PluginBase.__init__(self, ipcon, uid, 'Linear Poti Bricklet', version) self.lp = BrickletLinearPoti(uid, ipcon) self.qtcb_position.connect(self.cb_position) self.lp.register_callback(self.lp.CALLBACK_POSITION, self.qtcb_position.emit) self.slider = QSlider(Qt.Horizontal) self.slider.setRange(0, 100) self.position_label = PositionLabel('Position: ') self.current_value = None plot_list = [['', Qt.red, self.get_current_value]] self.plot_widget = PlotWidget('Position', plot_list) layout_h = QHBoxLayout() layout_h.addStretch() layout_h.addWidget(self.position_label) layout_h.addWidget(self.slider) layout_h.addStretch() layout = QVBoxLayout(self) layout.addLayout(layout_h) layout.addWidget(self.plot_widget)