um24clab/src/um24clab.py

330 lines
12 KiB
Python

#!/usr/bin/env python
import sys
import traceback
from PySide2.QtCore import (
Qt, QObject, Signal, Slot, QRunnable, QThreadPool
)
from PySide2.QtWidgets import (
QApplication, QMainWindow
)
from PySide2.QtCharts import (
QtCharts
)
from UM24CUI import Ui_MainWindow
from meter import um24c
class WorkerSignals(QObject):
"""
Defines the signals available from a running worker thread.
Supported signals are:
finished
No data
error
`tuple` (exctype, value, traceback.format_exc() )
result
`object` data returned from processing, anything
progress
`int` indicating % progress
"""
finished = Signal()
error = Signal(tuple)
result = Signal(object)
progress = Signal(int)
class MeterSignals(WorkerSignals):
progress = Signal(object)
class UM24LabUIWorker(QRunnable):
def __init__(self, fn, *args, **kwargs):
super(UM24LabUIWorker, self).__init__()
self.fn = fn
self.args = args
self.kwargs = kwargs
self.signals = WorkerSignals()
self.kwargs['progress_callback'] = self.signals.progress
@Slot()
def run(self):
try:
result = self.fn(*self.args, **self.kwargs)
except Exception:
traceback.print_exc()
exctype, value = sys.exc_info()[:2]
self.signals.error.emit((exctype, value, traceback.format_exc()))
else:
self.signals.result.emit(result)
finally:
self.signals.finished.emit()
class UM24LabWorker(UM24LabUIWorker):
def __init__(self, fn, *args, **kwargs):
super(UM24LabUIWorker, self).__init__()
self.fn = fn
self.args = args
self.kwargs = kwargs
self.signals = MeterSignals()
self.kwargs['progress_callback'] = self.signals.progress
@Slot()
def run(self):
while um24c.is_connected():
try:
result = self.fn(*self.args, **self.kwargs)
self.signals.progress.emit(result)
except Exception:
traceback.print_exc()
exctype, value = sys.exc_info()[:2]
self.signals.error.emit((exctype, value,
traceback.format_exc()))
else:
self.signals.result.emit(result)
class UM24Lab(QMainWindow):
def __init__(self):
super(UM24Lab, self).__init__()
self.ui = Ui_MainWindow()
self.ui.setupUi(self)
self.threadpool = QThreadPool()
self.meter_stats = None
self.ui.labelTimeRecorded.setText('00:00:00')
self.ui.sliderBrightness.setValue(0)
self.ui.sliderScreenOff.setValue(0)
self.ui.lcdVoltage.display(0.00)
self.ui.lcdCurrent.display(0.00)
self.ui.lcdImpedance.display(0.00)
self.ui.lcdPower.display(0.00)
self.ui.lcdTempC.display(0)
self.ui.lcdTempF.display(0)
self.ui.progressTempC.setValue(0)
self.ui.progressTempF.setValue(0)
self.ui.lcdDataMinus.display(0.00)
self.ui.lcdDataPlus.display(0.00)
self.ui.lcdCapacityRecorded.display(0)
self.ui.lcdEnergyRecorded.display(0)
self.ui.spinStopCurrent.setValue(0.00)
self.ui.buttonGroup.buttons()[0].setChecked(True)
# TODO: Add splash screen, discover in background
self.action_discover_devices()
self.ui.buttonNextScreen.clicked.connect(self.action_next_screen)
self.ui.buttonSwitchGroup.clicked.connect(self.action_next_group)
self.ui.buttonClearData.clicked.connect(self.action_clear_group)
self.ui.buttonRotateScreen.clicked.connect(self.action_rotate_screen)
# --- Plot setup ---
self._setup_plots()
self.timer_step = 0
# timer = QTimer(self)
# timer.timeout.connect(self.update_graphs)
# timer.start(50)
def _setup_plots(self):
self.ui.plotVoltage = QtCharts.QChart()
self.ui.widgetVoltage.setChart(self.ui.plotVoltage)
self.ui.plotCurrent = QtCharts.QChart()
self.ui.widgetCurrent.setChart(self.ui.plotCurrent)
# --- Voltage ---
self.voltage = self.ui.plotVoltage
self.voltage_series = QtCharts.QLineSeries(self)
self.voltage_series.setName('Voltage over time')
self.voltage_series.setUseOpenGL(True)
self.voltage.addSeries(self.voltage_series)
axis_x = QtCharts.QValueAxis()
axis_x.setRange(0, 0)
# axis_x.setTickCount(1)
axis_x.setTickInterval(0.001)
axis_x.setTitleText('Seconds')
self.voltage.addAxis(axis_x, Qt.AlignBottom)
self.voltage_series.attachAxis(axis_x)
axis_y = QtCharts.QValueAxis()
# axis_y.setTickCount(1)
axis_y.setRange(0, 10)
axis_y.setTitleText('Voltage (V)')
self.voltage.addAxis(axis_y, Qt.AlignLeft)
self.voltage_series.attachAxis(axis_y)
# --- Current ---
self.current = self.ui.plotCurrent
self.current_series = QtCharts.QLineSeries(self)
self.current_series.setName('Current over time')
self.current_series.setUseOpenGL(True)
self.current.addSeries(self.current_series)
axis_x = QtCharts.QValueAxis()
axis_x.setRange(0, 60000)
# axis_x.setTickCount(1)
# axis_x.setTickInterval(1)
axis_x.setTitleText('Seconds')
self.current.addAxis(axis_x, Qt.AlignBottom)
self.current_series.attachAxis(axis_x)
axis_y = QtCharts.QValueAxis()
# axis_y.setTickCount(1)
axis_y.setRange(0, 10)
axis_y.setTitleText('Current (A)')
self.current.addAxis(axis_y, Qt.AlignLeft)
self.current_series.attachAxis(axis_y)
def action_next_screen(self):
um24c.send_command(um24c.Command.NEXT_SCREEN)
def action_next_group(self):
um24c.send_command(um24c.Command.NEXT_GROUP)
def action_rotate_screen(self):
um24c.send_command(um24c.Command.ROTATE_SCREEN)
def action_clear_group(self):
um24c.send_command(um24c.Command.CLEAR_GROUP)
def do_discover_devices(self, progress_callback):
return um24c.discover_devices()
def discover_devices_finished(self):
if self.ui.comboDevices.count() > 0:
self.ui.comboDevices.setEnabled(True)
self.ui.buttonConnection.setEnabled(True)
def discover_devices_result(self, devices):
for device in devices:
self.ui.comboDevices.addItem(device[0])
self.ui.buttonConnection.clicked.connect(self.action_connect_device)
def action_discover_devices(self):
worker = UM24LabUIWorker(self.do_discover_devices)
worker.signals.result.connect(self.discover_devices_result)
worker.signals.finished.connect(self.discover_devices_finished)
# worker.signals.progress.connect(...)
self.threadpool.start(worker)
def do_connect_device(self, progress_callback):
if not um24c.is_connected():
um24c.connect(self.ui.comboDevices.currentText())
if um24c.is_connected():
self.ui.buttonConnection.setText('Disconnect')
self.ui.comboDevices.setEnabled(False)
return True
else:
um24c.disconnect()
if not um24c.is_connected():
self.ui.buttonConnection.setText('Connect')
self.ui.comboDevices.setEnabled(True)
return False
def connect_device_result(self, status):
self.ui.comboDevices.setEnabled(not status)
if status:
self.ui.buttonConnection.setText('Disconnect')
self.action_update_stats()
else:
self.ui.buttonConnection.setText('Connect')
def action_connect_device(self):
worker = UM24LabUIWorker(self.do_connect_device)
worker.signals.result.connect(self.connect_device_result)
self.threadpool.start(worker)
def do_update_stats(self, progress_callback):
return um24c.get_meter_stats()
def update_stats_progress(self, current):
self.meter_stats = current
self.update_graphs()
def update_stats_finished(self):
ui = self.ui
ui.lcdVoltage.display(self.meter_stats.Voltage / 100)
ui.lcdCurrent.display(self.meter_stats.Current / 1000)
ui.lcdImpedance.display(self.meter_stats.Load_equivalent_impedance
/ 10)
ui.lcdPower.display(self.meter_stats.Power / 1000)
ui.lcdTempC.display(self.meter_stats.Temperature_Celcius)
ui.lcdTempF.display(self.meter_stats.Temperature_Fahrenheit)
ui.progressTempC.setValue(self.meter_stats.Temperature_Celcius)
ui.progressTempF.setValue(self.meter_stats.Temperature_Fahrenheit)
ui.lcdDataMinus.display(self.meter_stats.DMinus / 100)
ui.lcdDataPlus.display(self.meter_stats.DPlus / 100)
ui.lcdCapacityRecorded.display(self.meter_stats.Recorded_Capacity)
ui.lcdEnergyRecorded.display(self.meter_stats.Recorded_Energy)
ui.spinStopCurrent.setValue(self.meter_stats.Current_Trigger / 100)
ui.sliderBrightness.setValue(self.meter_stats.Display_brightness)
ui.sliderScreenOff.setValue(self.meter_stats.Display_timeout)
ui.buttonGroup.buttons()[self.meter_stats.Current_screen] \
.setChecked(True)
def action_update_stats(self):
worker = UM24LabWorker(self.do_update_stats)
worker.signals.progress.connect(self.update_stats_progress)
worker.signals.finished.connect(self.update_stats_finished)
self.threadpool.start(worker)
def update_graphs(self):
if um24c.is_connected() and self.meter_stats:
ui = self.ui
ui.lcdVoltage.display(self.meter_stats.Voltage / 100)
ui.lcdCurrent.display(self.meter_stats.Current / 1000)
ui.lcdImpedance.display(self.meter_stats.Load_equivalent_impedance
/ 10)
ui.lcdPower.display(self.meter_stats.Power / 1000)
ui.lcdTempC.display(self.meter_stats.Temperature_Celcius)
ui.lcdTempF.display(self.meter_stats.Temperature_Fahrenheit)
ui.progressTempC.setValue(self.meter_stats.Temperature_Celcius)
ui.progressTempF.setValue(self.meter_stats.Temperature_Fahrenheit)
ui.lcdDataMinus.display(self.meter_stats.DMinus / 100)
ui.lcdDataPlus.display(self.meter_stats.DPlus / 100)
ui.lcdCapacityRecorded.display(self.meter_stats.Recorded_Capacity)
ui.lcdEnergyRecorded.display(self.meter_stats.Recorded_Energy)
ui.spinStopCurrent.setValue(self.meter_stats.Current_Trigger / 100)
ui.sliderBrightness.setValue(self.meter_stats.Display_brightness)
ui.sliderScreenOff.setValue(self.meter_stats.Display_timeout)
ui.buttonGroup.buttons()[self.meter_stats.Current_screen] \
.setChecked(True)
# self.voltage_series.append(self.timer_step, random.randint(0, 10))
# self.current_series.append(self.timer_step, random.randint(0, 10))
# self.timer_step += 1
# for axis in self.voltage_series.attachedAxes():
# if axis.orientation() == Qt.Orientation.Horizontal:
# axis.setRange(0, self.timer_step)
# for axis in self.current_series.attachedAxes():
# if axis.orientation() == Qt.Orientation.Horizontal:
# axis.setRange(0, self.timer_step)
if __name__ == '__main__':
app = QApplication(sys.argv)
labview = UM24Lab()
labview.show()
sys.exit(app.exec_())