def __init__(self, ipcon, uid, version):
PluginBase.__init__(self, ipcon, uid, 'Barometer Bricklet', version)
self.barometer = BrickletBarometer(uid, ipcon)
has_calibrate = version == (1, 0, 0)
self.qtcb_air_pressure.connect(self.cb_air_pressure)
self.barometer.register_callback(self.barometer.CALLBACK_AIR_PRESSURE,
self.qtcb_air_pressure.emit)
self.qtcb_altitude.connect(self.cb_altitude)
self.barometer.register_callback(self.barometer.CALLBACK_ALTITUDE,
self.qtcb_altitude.emit)
self.air_pressure_label = AirPressureLabel()
self.altitude_label = AltitudeLabel()
self.chip_temperature_label = ChipTemperatureLabel()
if has_calibrate:
self.chip_temperature_label.setAlignment(Qt.AlignCenter)
self.current_air_pressure = None
self.current_altitude = None
plot_list = [['', Qt.red, self.get_current_air_pressure]]
self.air_pressure_plot_widget = PlotWidget('Air Pressure [mbar]', plot_list)
plot_list = [['', Qt.darkGreen, self.get_current_altitude]]
self.altitude_plot_widget = PlotWidget('Altitude [m]', plot_list)
if has_calibrate:
self.calibrate_button = QPushButton('Calibrate Altitude')
self.calibrate_button.pressed.connect(self.calibrate_pressed)
else:
self.get_reference_button = QPushButton('Get')
self.get_reference_button.pressed.connect(self.get_reference_pressed)
self.set_reference_button = QPushButton('Set')
self.set_reference_button.pressed.connect(self.set_reference_pressed)
self.reference_label = QLabel('Reference Air Pressure [mbar]:')
self.reference_edit = QLineEdit()
self.get_reference_pressed()
layout_h1 = QHBoxLayout()
layout_h1.addStretch()
layout_h1.addWidget(self.air_pressure_label)
layout_h1.addStretch()
layout_v1 = QVBoxLayout()
layout_v1.addLayout(layout_h1)
layout_v1.addWidget(self.air_pressure_plot_widget)
layout_h2 = QHBoxLayout()
layout_h2.addStretch()
layout_h2.addWidget(self.altitude_label)
layout_h2.addStretch()
layout_v2 = QVBoxLayout()
layout_v2.addLayout(layout_h2)
layout_v2.addWidget(self.altitude_plot_widget)
if has_calibrate:
layout_h3 = QHBoxLayout()
layout_h3.addWidget(self.chip_temperature_label)
layout_h3.addWidget(self.calibrate_button)
else:
layout_h3 = QHBoxLayout()
layout_h3.addWidget(self.reference_label)
layout_h3.addWidget(self.reference_edit)
layout_h3.addWidget(self.get_reference_button)
layout_h3.addWidget(self.set_reference_button)
layout_v3 = QVBoxLayout()
layout_v3.addWidget(self.chip_temperature_label)
layout_v3.addLayout(layout_h3)
layout_h1 = QHBoxLayout()
layout_h1.addLayout(layout_v1)
layout_h1.addLayout(layout_v2)
layout = QVBoxLayout(self)
layout.addLayout(layout_h1)
if has_calibrate:
layout.addLayout(layout_h3)
else:
layout.addLayout(layout_v3)
self.chip_temp_timer = QTimer()
self.chip_temp_timer.timeout.connect(self.update_chip_temp)
self.chip_temp_timer.setInterval(100)
class Barometer(PluginBase):
qtcb_air_pressure = pyqtSignal(int)
qtcb_altitude = pyqtSignal(int)
def __init__(self, ipcon, uid, version):
PluginBase.__init__(self, ipcon, uid, 'Barometer Bricklet', version)
self.barometer = BrickletBarometer(uid, ipcon)
has_calibrate = version == (1, 0, 0)
self.qtcb_air_pressure.connect(self.cb_air_pressure)
self.barometer.register_callback(self.barometer.CALLBACK_AIR_PRESSURE,
self.qtcb_air_pressure.emit)
self.qtcb_altitude.connect(self.cb_altitude)
self.barometer.register_callback(self.barometer.CALLBACK_ALTITUDE,
self.qtcb_altitude.emit)
self.air_pressure_label = AirPressureLabel()
self.altitude_label = AltitudeLabel()
self.chip_temperature_label = ChipTemperatureLabel()
if has_calibrate:
self.chip_temperature_label.setAlignment(Qt.AlignCenter)
self.current_air_pressure = None
self.current_altitude = None
plot_list = [['', Qt.red, self.get_current_air_pressure]]
self.air_pressure_plot_widget = PlotWidget('Air Pressure [mbar]', plot_list)
plot_list = [['', Qt.darkGreen, self.get_current_altitude]]
self.altitude_plot_widget = PlotWidget('Altitude [m]', plot_list)
if has_calibrate:
self.calibrate_button = QPushButton('Calibrate Altitude')
self.calibrate_button.pressed.connect(self.calibrate_pressed)
else:
self.get_reference_button = QPushButton('Get')
self.get_reference_button.pressed.connect(self.get_reference_pressed)
self.set_reference_button = QPushButton('Set')
self.set_reference_button.pressed.connect(self.set_reference_pressed)
self.reference_label = QLabel('Reference Air Pressure [mbar]:')
self.reference_edit = QLineEdit()
self.get_reference_pressed()
layout_h1 = QHBoxLayout()
layout_h1.addStretch()
layout_h1.addWidget(self.air_pressure_label)
layout_h1.addStretch()
layout_v1 = QVBoxLayout()
layout_v1.addLayout(layout_h1)
layout_v1.addWidget(self.air_pressure_plot_widget)
layout_h2 = QHBoxLayout()
layout_h2.addStretch()
layout_h2.addWidget(self.altitude_label)
layout_h2.addStretch()
layout_v2 = QVBoxLayout()
layout_v2.addLayout(layout_h2)
layout_v2.addWidget(self.altitude_plot_widget)
if has_calibrate:
layout_h3 = QHBoxLayout()
layout_h3.addWidget(self.chip_temperature_label)
layout_h3.addWidget(self.calibrate_button)
else:
layout_h3 = QHBoxLayout()
layout_h3.addWidget(self.reference_label)
layout_h3.addWidget(self.reference_edit)
layout_h3.addWidget(self.get_reference_button)
layout_h3.addWidget(self.set_reference_button)
layout_v3 = QVBoxLayout()
layout_v3.addWidget(self.chip_temperature_label)
layout_v3.addLayout(layout_h3)
layout_h1 = QHBoxLayout()
layout_h1.addLayout(layout_v1)
layout_h1.addLayout(layout_v2)
layout = QVBoxLayout(self)
layout.addLayout(layout_h1)
if has_calibrate:
layout.addLayout(layout_h3)
else:
layout.addLayout(layout_v3)
self.chip_temp_timer = QTimer()
self.chip_temp_timer.timeout.connect(self.update_chip_temp)
self.chip_temp_timer.setInterval(100)
def start(self):
async_call(self.barometer.get_air_pressure, None, self.cb_air_pressure, self.increase_error_count)
async_call(self.barometer.get_altitude, None, self.cb_altitude, self.increase_error_count)
async_call(self.barometer.set_air_pressure_callback_period, 100, None, self.increase_error_count)
async_call(self.barometer.set_altitude_callback_period, 100, None, self.increase_error_count)
self.air_pressure_plot_widget.stop = False
self.altitude_plot_widget.stop = False
self.update_chip_temp()
self.chip_temp_timer.start()
def stop(self):
async_call(self.barometer.set_air_pressure_callback_period, 0, None, self.increase_error_count)
async_call(self.barometer.set_altitude_callback_period, 0, None, self.increase_error_count)
self.air_pressure_plot_widget.stop = True
self.altitude_plot_widget.stop = True
self.chip_temp_timer.stop()
def get_url_part(self):
return 'barometer'
@staticmethod
def has_device_identifier(device_identifier):
return device_identifier == BrickletBarometer.DEVICE_IDENTIFIER
def calibrate_pressed(self):
try:
# Call set_reference_air_pressure that has the same function ID as
# calibrate_altitude the extra parameter will just be ignored
self.barometer.set_reference_air_pressure(0)
except ip_connection.Error:
pass
def get_reference_pressed_async(self, reference):
r = str(reference/1000.0)
self.reference_edit.setText(r)
def get_reference_pressed(self):
async_call(self.barometer.get_reference_air_pressure, None, self.get_reference_pressed_async, self.increase_error_count)
def set_reference_pressed(self):
try:
r = round(float(self.reference_edit.text())*1000)
except:
self.reference_edit.setText('Invalid input')
return
try:
self.barometer.set_reference_air_pressure(r)
except ip_connection.Error:
self.reference_edit.setText('Error while setting reference air pressure')
return
def get_current_air_pressure(self):
return self.current_air_pressure
def get_current_altitude(self):
return self.current_altitude
def update_chip_temp_async(self, temp):
t = temp/100.0
self.chip_temperature_label.setText('%.2f' % t)
def update_chip_temp(self):
async_call(self.barometer.get_chip_temperature, None, self.update_chip_temp_async, self.increase_error_count)
def cb_air_pressure(self, air_pressure):
self.current_air_pressure = air_pressure/1000.0
self.air_pressure_label.setText('%.3f' % self.current_air_pressure)
def cb_altitude(self, altitude):
self.current_altitude = altitude/100.0
self.altitude_label.setText('%.2f' % self.current_altitude,
'%.2f' % (self.current_altitude/0.3048))