class RotaryPoti(PluginBase):
def __init__(self, *args):
PluginBase.__init__(self, BrickletRotaryPoti, *args)
self.rp = self.device
self.cbe_position = CallbackEmulator(self.rp.get_position,
self.cb_position,
self.increase_error_count)
self.position_knob = KnobWidget(self)
self.position_knob.setFocusPolicy(Qt.NoFocus)
self.position_knob.set_total_angle(300)
self.position_knob.set_range(-150, 150)
self.position_knob.set_scale(30, 3)
self.position_knob.set_knob_radius(25)
self.current_position = None
plots = [('Position', Qt.red, lambda: self.current_position, str)]
self.plot_widget = PlotWidget('Position',
plots,
curve_motion_granularity=40,
update_interval=0.025)
layout = QHBoxLayout(self)
layout.addWidget(self.plot_widget)
layout.addWidget(self.position_knob)
def start(self):
async_call(self.rp.get_position, None, self.cb_position,
self.increase_error_count)
self.cbe_position.set_period(25)
self.plot_widget.stop = False
def stop(self):
self.cbe_position.set_period(0)
self.plot_widget.stop = True
def destroy(self):
pass
@staticmethod
def has_device_identifier(device_identifier):
return device_identifier == BrickletRotaryPoti.DEVICE_IDENTIFIER
def cb_position(self, position):
self.current_position = position
self.position_knob.set_value(position)
class RotaryPoti(PluginBase):
def __init__(self, *args):
PluginBase.__init__(self, BrickletRotaryPoti, *args)
self.rp = self.device
self.cbe_position = CallbackEmulator(self.rp.get_position,
self.cb_position,
self.increase_error_count)
self.position_knob = KnobWidget(self)
self.position_knob.setFocusPolicy(Qt.NoFocus)
self.position_knob.set_total_angle(300)
self.position_knob.set_range(-150, 150)
self.position_knob.set_scale(30, 3)
self.position_knob.set_knob_radius(25)
self.current_position = None
plots = [('Position', Qt.red, lambda: self.current_position, str)]
self.plot_widget = PlotWidget('Position', plots, curve_motion_granularity=40, update_interval=0.025)
layout = QHBoxLayout(self)
layout.addWidget(self.plot_widget)
layout.addWidget(self.position_knob)
def start(self):
async_call(self.rp.get_position, None, self.cb_position, self.increase_error_count)
self.cbe_position.set_period(25)
self.plot_widget.stop = False
def stop(self):
self.cbe_position.set_period(0)
self.plot_widget.stop = True
def destroy(self):
pass
def get_url_part(self):
return 'rotary_poti'
@staticmethod
def has_device_identifier(device_identifier):
return device_identifier == BrickletRotaryPoti.DEVICE_IDENTIFIER
def cb_position(self, position):
self.current_position = position
self.position_knob.set_value(position)
class RotaryPotiV2(COMCUPluginBase):
def __init__(self, *args):
super().__init__(BrickletRotaryPotiV2, *args)
self.rp = self.device
self.cbe_position = CallbackEmulator(self.rp.get_position,
None,
self.cb_position,
self.increase_error_count)
self.position_knob = KnobWidget(self)
self.position_knob.setFocusPolicy(Qt.NoFocus)
self.position_knob.set_total_angle(300)
self.position_knob.set_range(-150, 150)
self.position_knob.set_scale(30, 3)
self.position_knob.set_knob_radius(25)
self.current_position = CurveValueWrapper()
plots = [('Position', Qt.red, self.current_position, str)]
self.plot_widget = PlotWidget('Position', plots, update_interval=0.025, y_resolution=1.0)
layout = QHBoxLayout(self)
layout.addWidget(self.plot_widget)
layout.addWidget(self.position_knob)
def start(self):
self.cbe_position.set_period(25)
self.plot_widget.stop = False
def stop(self):
self.cbe_position.set_period(0)
self.plot_widget.stop = True
def destroy(self):
pass
@staticmethod
def has_device_identifier(device_identifier):
return device_identifier == BrickletRotaryPotiV2.DEVICE_IDENTIFIER
def cb_position(self, position):
self.current_position.value = position
self.position_knob.set_value(position)
class SpeedoMeter(QWidget):
def __init__(self, *args):
QWidget.__init__(self, *args)
self.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Minimum)
layout = QVBoxLayout(self)
layout.setContentsMargins(0, 0, 0, 0)
self.knob = KnobWidget()
self.knob.setFocusPolicy(Qt.NoFocus)
self.knob.set_total_angle(280)
self.knob.set_range(0, 0x7FFF)
self.knob.set_scale(5000, 2)
self.knob.set_scale_arc_visible(False)
self.knob.set_knob_radius(60)
self.knob.set_knob_style(KnobWidget.STYLE_NEEDLE)
self.knob.set_value(0)
self.knob.set_title_text('Standstill')
self.knob.set_dynamic_resize_enabled(True)
layout.addWidget(self.knob)
def set_velocity(self, value):
if value == self.knob.get_value():
return
if value > 0:
self.knob.set_title_text('Forward')
elif value < 0:
self.knob.set_title_text('Backward')
else:
self.knob.set_title_text('Standstill')
if value < 0:
value = -value
self.knob.set_value(value)
class SpeedoMeter(QWidget):
def __init__(self, *args):
super().__init__(*args)
self.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Minimum)
layout = QVBoxLayout(self)
layout.setContentsMargins(0, 0, 0, 0)
self.knob = KnobWidget()
self.knob.setFocusPolicy(Qt.NoFocus)
self.knob.set_total_angle(280)
self.knob.set_range(0, 0x7FFF)
self.knob.set_scale(5000, 2)
self.knob.set_scale_arc_visible(False)
self.knob.set_knob_radius(60)
self.knob.set_knob_style(KnobWidget.STYLE_NEEDLE)
self.knob.set_value(0)
self.knob.set_title_text('Standstill')
self.knob.set_dynamic_resize_enabled(True)
layout.addWidget(self.knob)
def set_velocity(self, value):
if value == self.knob.get_value():
return
if value > 0:
self.knob.set_title_text('Forward')
elif value < 0:
self.knob.set_title_text('Backward')
else:
self.knob.set_title_text('Standstill')
if value < 0:
value = -value
self.knob.set_value(value)
class RotaryEncoderV2(COMCUPluginBase):
qtcb_pressed = pyqtSignal()
qtcb_released = pyqtSignal()
def __init__(self, *args):
COMCUPluginBase.__init__(self, BrickletRotaryEncoderV2, *args)
self.re = self.device
self.cbe_count = CallbackEmulator(
functools.partial(self.re.get_count, False), self.cb_count,
self.increase_error_count)
self.qtcb_pressed.connect(self.cb_pressed)
self.re.register_callback(self.re.CALLBACK_PRESSED,
self.qtcb_pressed.emit)
self.qtcb_released.connect(self.cb_released)
self.re.register_callback(self.re.CALLBACK_RELEASED,
self.qtcb_released.emit)
self.reset_button = QPushButton('Reset Count')
self.reset_button.clicked.connect(self.reset_clicked)
self.encoder_knob = KnobWidget(self)
self.encoder_knob.setFocusPolicy(Qt.NoFocus)
self.encoder_knob.set_total_angle(360)
self.encoder_knob.set_range(0, 24)
self.encoder_knob.set_scale(2, 2)
self.encoder_knob.set_scale_text_visible(False)
self.encoder_knob.set_scale_arc_visible(False)
self.encoder_knob.set_knob_radius(25)
self.encoder_knob.set_value(0)
self.current_count = None
plots = [('Count', Qt.red, lambda: self.current_count, str)]
self.plot_widget = PlotWidget('Count',
plots,
curve_motion_granularity=40,
update_interval=0.025)
vlayout = QVBoxLayout()
vlayout.addStretch()
vlayout.addWidget(self.encoder_knob)
vlayout.addWidget(self.reset_button)
vlayout.addStretch()
layout = QHBoxLayout(self)
layout.addWidget(self.plot_widget)
layout.addLayout(vlayout)
def cb_released(self):
self.encoder_knob.set_pressed(False)
def cb_pressed(self):
self.encoder_knob.set_pressed(True)
def cb_count(self, count):
self.current_count = count
self.encoder_knob.set_value((count + 12) % 24)
def reset_clicked(self):
async_call(self.re.get_count, True, None, self.increase_error_count)
self.cb_count(0)
def start(self):
async_call(self.re.get_count, False, self.cb_count,
self.increase_error_count)
async_call(self.re.is_pressed, None, self.encoder_knob.set_pressed,
self.increase_error_count)
self.cbe_count.set_period(25)
self.plot_widget.stop = False
def stop(self):
self.cbe_count.set_period(0)
self.plot_widget.stop = True
def destroy(self):
pass
@staticmethod
def has_device_identifier(device_identifier):
return device_identifier == BrickletRotaryEncoderV2.DEVICE_IDENTIFIER
class RotaryPoti(PluginBase):
def __init__(self, *args):
PluginBase.__init__(self, BrickletRotaryPoti, *args)
self.rp = self.device
self.cbe_position = CallbackEmulator(self.rp.get_position,
self.cb_position,
self.increase_error_count)
self.position_knob = KnobWidget(self)
self.position_knob.setFocusPolicy(Qt.NoFocus)
self.position_knob.set_total_angle(300)
self.position_knob.set_range(-150, 150)
self.position_knob.set_scale(30, 3)
self.position_knob.set_knob_radius(25)
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_h1 = QHBoxLayout()
layout_h1.addStretch()
layout_h1.addWidget(self.position_label)
layout_h1.addStretch()
layout_h2 = QHBoxLayout()
layout_h2.addStretch()
layout_h2.addWidget(self.position_knob)
layout_h2.addStretch()
layout = QVBoxLayout(self)
layout.addLayout(layout_h1)
layout.addLayout(layout_h2)
layout.addWidget(self.plot_widget)
def start(self):
async_call(self.rp.get_position, None, self.cb_position, self.increase_error_count)
self.cbe_position.set_period(25)
self.plot_widget.stop = False
def stop(self):
self.cbe_position.set_period(0)
self.plot_widget.stop = True
def destroy(self):
pass
def get_url_part(self):
return 'rotary_poti'
@staticmethod
def has_device_identifier(device_identifier):
return device_identifier == BrickletRotaryPoti.DEVICE_IDENTIFIER
def get_current_value(self):
return self.current_value
def cb_position(self, position):
self.current_value = position
self.position_knob.set_value(position)
self.position_label.setText(str(position))
class RotaryEncoderV2(COMCUPluginBase):
qtcb_pressed = pyqtSignal()
qtcb_released = pyqtSignal()
def __init__(self, *args):
super().__init__(BrickletRotaryEncoderV2, *args)
self.re = self.device
self.cbe_count = CallbackEmulator(self.get_count,
False,
self.cb_count,
self.increase_error_count)
self.qtcb_pressed.connect(self.cb_pressed)
self.re.register_callback(self.re.CALLBACK_PRESSED,
self.qtcb_pressed.emit)
self.qtcb_released.connect(self.cb_released)
self.re.register_callback(self.re.CALLBACK_RELEASED,
self.qtcb_released.emit)
self.reset_button = QPushButton('Reset Count')
self.reset_button.clicked.connect(self.reset_clicked)
self.encoder_knob = KnobWidget(self)
self.encoder_knob.setFocusPolicy(Qt.NoFocus)
self.encoder_knob.set_total_angle(360)
self.encoder_knob.set_range(0, 24)
self.encoder_knob.set_scale(2, 2)
self.encoder_knob.set_scale_text_visible(False)
self.encoder_knob.set_scale_arc_visible(False)
self.encoder_knob.set_knob_radius(25)
self.encoder_knob.set_value(0)
self.current_count = CurveValueWrapper()
plots = [('Count', Qt.red, self.current_count, str)]
self.plot_widget = PlotWidget('Count', plots, update_interval=0.025, y_resolution=1.0)
vlayout = QVBoxLayout()
vlayout.addStretch()
vlayout.addWidget(self.encoder_knob)
vlayout.addWidget(self.reset_button)
vlayout.addStretch()
layout = QHBoxLayout(self)
layout.addWidget(self.plot_widget)
layout.addLayout(vlayout)
def cb_released(self):
self.encoder_knob.set_pressed(False)
def cb_pressed(self):
self.encoder_knob.set_pressed(True)
def cb_count(self, count):
self.current_count.value = count
self.encoder_knob.set_value((count + 12) % 24)
def get_count(self, reset):
count = self.re.get_count(reset)
return 0 if reset else count
def reset_clicked(self):
async_call(self.get_count, True, self.cb_count, self.increase_error_count)
def start(self):
async_call(self.re.is_pressed, None, self.encoder_knob.set_pressed, self.increase_error_count)
self.cbe_count.set_period(25)
self.plot_widget.stop = False
def stop(self):
self.cbe_count.set_period(0)
self.plot_widget.stop = True
def destroy(self):
pass
@staticmethod
def has_device_identifier(device_identifier):
return device_identifier == BrickletRotaryEncoderV2.DEVICE_IDENTIFIER
class RotaryEncoder(PluginBase):
qtcb_pressed = pyqtSignal()
qtcb_released = pyqtSignal()
def __init__(self, *args):
PluginBase.__init__(self, BrickletRotaryEncoder, *args)
self.re = self.device
self.cbe_count = CallbackEmulator(functools.partial(self.re.get_count, False),
self.cb_count,
self.increase_error_count)
self.qtcb_pressed.connect(self.cb_pressed)
self.re.register_callback(self.re.CALLBACK_PRESSED,
self.qtcb_pressed.emit)
self.qtcb_released.connect(self.cb_released)
self.re.register_callback(self.re.CALLBACK_RELEASED,
self.qtcb_released.emit)
self.reset_button = QPushButton('Reset Count')
self.reset_button.clicked.connect(self.reset_clicked)
self.encoder_knob = KnobWidget(self)
self.encoder_knob.setFocusPolicy(Qt.NoFocus)
self.encoder_knob.set_total_angle(360)
self.encoder_knob.set_range(0, 24)
self.encoder_knob.set_scale(2, 2)
self.encoder_knob.set_scale_text_visible(False)
self.encoder_knob.set_scale_arc_visible(False)
self.encoder_knob.set_knob_radius(25)
self.encoder_knob.set_value(0)
self.current_count = None
plots = [('Count', Qt.red, lambda: self.current_count, str)]
self.plot_widget = PlotWidget('Count', plots, curve_motion_granularity=40, update_interval=0.025)
vlayout = QVBoxLayout()
vlayout.addStretch()
vlayout.addWidget(self.encoder_knob)
vlayout.addWidget(self.reset_button)
vlayout.addStretch()
layout = QHBoxLayout(self)
layout.addWidget(self.plot_widget)
layout.addLayout(vlayout)
def cb_released(self):
self.encoder_knob.set_pressed(False)
def cb_pressed(self):
self.encoder_knob.set_pressed(True)
def cb_count(self, count):
self.current_count = count
self.encoder_knob.set_value((count + 12) % 24)
def reset_clicked(self):
async_call(self.re.get_count, True, None, self.increase_error_count)
self.cb_count(0)
def start(self):
async_call(self.re.get_count, False, self.cb_count, self.increase_error_count)
if self.firmware_version >= (2, 0, 2):
# firmware 2.0.2 fixed the is_pressed return value, it was inverted before
async_call(self.re.is_pressed, None, self.encoder_knob.set_pressed, self.increase_error_count)
self.cbe_count.set_period(25)
self.plot_widget.stop = False
def stop(self):
self.cbe_count.set_period(0)
self.plot_widget.stop = True
def destroy(self):
pass
def get_url_part(self):
return 'rotary_encoder'
@staticmethod
def has_device_identifier(device_identifier):
return device_identifier == BrickletRotaryEncoder.DEVICE_IDENTIFIER
class RotaryEncoder(PluginBase):
qtcb_pressed = pyqtSignal()
qtcb_released = pyqtSignal()
def __init__(self, *args):
PluginBase.__init__(self, BrickletRotaryEncoder, *args)
self.re = self.device
self.cbe_count = CallbackEmulator(
functools.partial(self.re.get_count, False), self.cb_count, self.increase_error_count
)
self.qtcb_pressed.connect(self.cb_pressed)
self.re.register_callback(self.re.CALLBACK_PRESSED, self.qtcb_pressed.emit)
self.qtcb_released.connect(self.cb_released)
self.re.register_callback(self.re.CALLBACK_RELEASED, self.qtcb_released.emit)
self.count_label = CountLabel("Count: 0")
self.reset_button = QPushButton("Reset Count")
self.reset_button.clicked.connect(self.reset_clicked)
self.encoder_knob = KnobWidget(self)
self.encoder_knob.setFocusPolicy(Qt.NoFocus)
self.encoder_knob.set_total_angle(360)
self.encoder_knob.set_range(0, 24)
self.encoder_knob.set_scale(2, 2)
self.encoder_knob.set_scale_text_visible(False)
self.encoder_knob.set_scale_arc_visible(False)
self.encoder_knob.set_knob_radius(25)
self.encoder_knob.set_value(0)
self.current_value = None
plot_list = [["", Qt.red, self.get_current_value]]
self.plot_widget = PlotWidget("Count", plot_list)
layout_h1 = QHBoxLayout()
layout_h1.addStretch()
layout_h1.addWidget(self.count_label)
layout_h1.addStretch()
layout_h2 = QHBoxLayout()
layout_h2.addStretch()
layout_h2.addWidget(self.encoder_knob)
layout_h2.addStretch()
layout_h3 = QHBoxLayout()
layout_h3.addStretch()
layout_h3.addWidget(self.reset_button)
layout_h3.addStretch()
layout = QVBoxLayout(self)
layout.addLayout(layout_h1)
layout.addLayout(layout_h2)
layout.addLayout(layout_h3)
layout.addWidget(self.plot_widget)
def get_current_value(self):
return self.current_value
def cb_released(self):
self.encoder_knob.set_pressed(False)
def cb_pressed(self):
self.encoder_knob.set_pressed(True)
def cb_count(self, count):
self.current_value = count
self.count_label.setText(str(count))
self.encoder_knob.set_value((count + 12) % 24)
def reset_clicked(self):
async_call(self.re.get_count, True, None, self.increase_error_count)
self.cb_count(0)
def start(self):
async_call(self.re.get_count, False, self.cb_count, self.increase_error_count)
self.cbe_count.set_period(25)
self.plot_widget.stop = False
def stop(self):
self.cbe_count.set_period(0)
self.plot_widget.stop = True
def destroy(self):
pass
def get_url_part(self):
return "rotary_encoder"
@staticmethod
def has_device_identifier(device_identifier):
return device_identifier == BrickletRotaryEncoder.DEVICE_IDENTIFIER
class RotaryEncoder(PluginBase):
qtcb_pressed = pyqtSignal()
qtcb_released = pyqtSignal()
def __init__(self, *args):
super().__init__(BrickletRotaryEncoder, *args)
self.re = self.device
# the firmware version of a EEPROM Bricklet can (under common circumstances)
# not change during the lifetime of an EEPROM Bricklet plugin. therefore,
# it's okay to make final decisions based on it here
self.has_fixed_is_pressed = self.firmware_version >= (2, 0, 2) # is_pressed return value was inverted before
self.cbe_count = CallbackEmulator(self.get_count,
False,
self.cb_count,
self.increase_error_count)
self.qtcb_pressed.connect(self.cb_pressed)
self.re.register_callback(self.re.CALLBACK_PRESSED,
self.qtcb_pressed.emit)
self.qtcb_released.connect(self.cb_released)
self.re.register_callback(self.re.CALLBACK_RELEASED,
self.qtcb_released.emit)
self.reset_button = QPushButton('Reset Count')
self.reset_button.clicked.connect(self.reset_clicked)
self.encoder_knob = KnobWidget(self)
self.encoder_knob.setFocusPolicy(Qt.NoFocus)
self.encoder_knob.set_total_angle(360)
self.encoder_knob.set_range(0, 24)
self.encoder_knob.set_scale(2, 2)
self.encoder_knob.set_scale_text_visible(False)
self.encoder_knob.set_scale_arc_visible(False)
self.encoder_knob.set_knob_radius(25)
self.encoder_knob.set_value(0)
self.current_count = CurveValueWrapper()
plots = [('Count', Qt.red, self.current_count, str)]
self.plot_widget = PlotWidget('Count', plots, update_interval=0.025, y_resolution=1.0)
vlayout = QVBoxLayout()
vlayout.addStretch()
vlayout.addWidget(self.encoder_knob)
vlayout.addWidget(self.reset_button)
vlayout.addStretch()
layout = QHBoxLayout(self)
layout.addWidget(self.plot_widget)
layout.addLayout(vlayout)
def cb_released(self):
self.encoder_knob.set_pressed(False)
def cb_pressed(self):
self.encoder_knob.set_pressed(True)
def cb_count(self, count):
self.current_count.value = count
self.encoder_knob.set_value((count + 12) % 24)
def get_count(self, reset):
count = self.re.get_count(reset)
return 0 if reset else count
def reset_clicked(self):
async_call(self.get_count, True, self.cb_count, self.increase_error_count)
def is_pressed_async(self, is_pressed):
if self.has_fixed_is_pressed:
self.encoder_knob.set_pressed(is_pressed)
else:
self.encoder_knob.set_pressed(not is_pressed)
def start(self):
async_call(self.re.is_pressed, None, self.is_pressed_async, self.increase_error_count)
self.cbe_count.set_period(25)
self.plot_widget.stop = False
def stop(self):
self.cbe_count.set_period(0)
self.plot_widget.stop = True
def destroy(self):
pass
@staticmethod
def has_device_identifier(device_identifier):
return device_identifier == BrickletRotaryEncoder.DEVICE_IDENTIFIER
class RotaryEncoder(PluginBase):
qtcb_pressed = pyqtSignal()
qtcb_released = pyqtSignal()
def __init__(self, *args):
super().__init__(BrickletRotaryEncoder, *args)
self.re = self.device
# the firmware version of a EEPROM Bricklet can (under common circumstances)
# not change during the lifetime of an EEPROM Bricklet plugin. therefore,
# it's okay to make final decisions based on it here
self.has_fixed_is_pressed = self.firmware_version >= (
2, 0, 2) # is_pressed return value was inverted before
self.cbe_count = CallbackEmulator(self, self.get_count, False,
self.cb_count,
self.increase_error_count)
self.qtcb_pressed.connect(self.cb_pressed)
self.re.register_callback(self.re.CALLBACK_PRESSED,
self.qtcb_pressed.emit)
self.qtcb_released.connect(self.cb_released)
self.re.register_callback(self.re.CALLBACK_RELEASED,
self.qtcb_released.emit)
self.reset_button = QPushButton('Reset Count')
self.reset_button.clicked.connect(self.reset_clicked)
self.encoder_knob = KnobWidget(self)
self.encoder_knob.setFocusPolicy(Qt.NoFocus)
self.encoder_knob.set_total_angle(360)
self.encoder_knob.set_range(0, 24)
self.encoder_knob.set_scale(2, 2)
self.encoder_knob.set_scale_text_visible(False)
self.encoder_knob.set_scale_arc_visible(False)
self.encoder_knob.set_knob_radius(25)
self.encoder_knob.set_value(0)
self.current_count = CurveValueWrapper()
plots = [('Count', Qt.red, self.current_count, str)]
self.plot_widget = PlotWidget('Count',
plots,
update_interval=0.025,
y_resolution=1.0)
vlayout = QVBoxLayout()
vlayout.addStretch()
vlayout.addWidget(self.encoder_knob)
vlayout.addWidget(self.reset_button)
vlayout.addStretch()
layout = QHBoxLayout(self)
layout.addWidget(self.plot_widget)
layout.addLayout(vlayout)
def cb_released(self):
self.encoder_knob.set_pressed(False)
def cb_pressed(self):
self.encoder_knob.set_pressed(True)
def cb_count(self, count):
self.current_count.value = count
self.encoder_knob.set_value((count + 12) % 24)
def get_count(self, reset):
count = self.re.get_count(reset)
return 0 if reset else count
def reset_clicked(self):
async_call(self.get_count, True, self.cb_count,
self.increase_error_count)
def is_pressed_async(self, is_pressed):
if self.has_fixed_is_pressed:
self.encoder_knob.set_pressed(is_pressed)
else:
self.encoder_knob.set_pressed(not is_pressed)
def start(self):
async_call(self.re.is_pressed, None, self.is_pressed_async,
self.increase_error_count)
self.cbe_count.set_period(25)
self.plot_widget.stop = False
def stop(self):
self.cbe_count.set_period(0)
self.plot_widget.stop = True
def destroy(self):
pass
@staticmethod
def has_device_identifier(device_identifier):
return device_identifier == BrickletRotaryEncoder.DEVICE_IDENTIFIER
class RotaryEncoder(PluginBase):
qtcb_pressed = pyqtSignal()
qtcb_released = pyqtSignal()
def __init__(self, *args):
PluginBase.__init__(self, BrickletRotaryEncoder, *args)
self.re = self.device
self.cbe_count = CallbackEmulator(
functools.partial(self.re.get_count, False), self.cb_count,
self.increase_error_count)
self.qtcb_pressed.connect(self.cb_pressed)
self.re.register_callback(self.re.CALLBACK_PRESSED,
self.qtcb_pressed.emit)
self.qtcb_released.connect(self.cb_released)
self.re.register_callback(self.re.CALLBACK_RELEASED,
self.qtcb_released.emit)
self.count_label = CountLabel('Count: 0')
self.reset_button = QPushButton('Reset Count')
self.reset_button.clicked.connect(self.reset_clicked)
self.encoder_knob = KnobWidget(self)
self.encoder_knob.setFocusPolicy(Qt.NoFocus)
self.encoder_knob.set_total_angle(360)
self.encoder_knob.set_range(0, 24)
self.encoder_knob.set_scale(2, 2)
self.encoder_knob.set_scale_text_visible(False)
self.encoder_knob.set_scale_arc_visible(False)
self.encoder_knob.set_knob_radius(25)
self.encoder_knob.set_value(0)
self.current_value = None
plot_list = [['', Qt.red, self.get_current_value]]
self.plot_widget = PlotWidget('Count', plot_list)
layout_h1 = QHBoxLayout()
layout_h1.addStretch()
layout_h1.addWidget(self.count_label)
layout_h1.addStretch()
layout_h2 = QHBoxLayout()
layout_h2.addStretch()
layout_h2.addWidget(self.encoder_knob)
layout_h2.addStretch()
layout_h3 = QHBoxLayout()
layout_h3.addStretch()
layout_h3.addWidget(self.reset_button)
layout_h3.addStretch()
layout = QVBoxLayout(self)
layout.addLayout(layout_h1)
layout.addLayout(layout_h2)
layout.addLayout(layout_h3)
layout.addWidget(self.plot_widget)
def get_current_value(self):
return self.current_value
def cb_released(self):
self.encoder_knob.set_pressed(False)
def cb_pressed(self):
self.encoder_knob.set_pressed(True)
def cb_count(self, count):
self.current_value = count
self.count_label.setText(str(count))
self.encoder_knob.set_value((count + 12) % 24)
def reset_clicked(self):
async_call(self.re.get_count, True, None, self.increase_error_count)
self.cb_count(0)
def start(self):
async_call(self.re.get_count, False, self.cb_count,
self.increase_error_count)
self.cbe_count.set_period(25)
self.plot_widget.stop = False
def stop(self):
self.cbe_count.set_period(0)
self.plot_widget.stop = True
def destroy(self):
pass
def get_url_part(self):
return 'rotary_encoder'
@staticmethod
def has_device_identifier(device_identifier):
return device_identifier == BrickletRotaryEncoder.DEVICE_IDENTIFIER