This commit is contained in:
Jasper Blanckenburg 2023-01-04 19:33:20 +01:00
parent 53b81d6ae4
commit 6977daaca1
6 changed files with 234 additions and 136 deletions

View File

@ -1,88 +1,41 @@
import enum
import csv
import os.path
import time
from typing import cast
from PySide6.QtCore import QTimer
from PySide6.QtWidgets import (
QWidget,
QGridLayout,
QHBoxLayout,
QVBoxLayout,
QLabel,
QPushButton,
QFileDialog,
)
from PySide6.QtCharts import QChart, QChartView, QLineSeries
from PySide6.QtCore import QTimer, QObject
from PySide6.QtWidgets import QFileDialog
from PySide6.QtQml import QQmlApplicationEngine
from .profile_handler import ProfileHandler, ProfileState
class GUI(QWidget):
class GUI(QObject):
_profile_handler: ProfileHandler
_engine: QQmlApplicationEngine
_win: QObject
_update_timer: QTimer
_profile_chooser_btn: QObject
_start_pause_btn: QObject
_stop_btn: QObject
def __init__(self, profile_handler: ProfileHandler):
super().__init__(None)
profile_label = QLabel("Profile:")
self.profile = QLabel("None")
self.profile.setStyleSheet("font-style: italic")
self.profile_chooser = QPushButton("Choose")
self.profile_chooser.clicked.connect(self._choose_profile)
profile_choice = QHBoxLayout()
profile_choice.addWidget(profile_label)
profile_choice.addWidget(self.profile)
profile_choice.addWidget(self.profile_chooser)
self._engine = QQmlApplicationEngine()
qml_path = os.path.join(
os.path.dirname(__file__), "..", "ui", "main_window.qml"
)
self._engine.load(qml_path)
self._win = self._engine.rootObjects()[0]
self._win.setProperty("profile_handler", profile_handler)
chart_view = QChartView()
self.chart = QChart()
chart_view.setChart(self.chart)
self.start_pause = QPushButton("START")
self.start_pause.setDisabled(True)
self.start_pause.clicked.connect(self._start_pause)
self.stop = QPushButton("STOP")
self.stop.setDisabled(True)
self.stop.clicked.connect(self._stop)
profile_buttons = QHBoxLayout()
profile_buttons.addWidget(self.start_pause)
profile_buttons.addWidget(self.stop)
profile_layout = QVBoxLayout()
profile_layout.addLayout(profile_choice)
profile_layout.addWidget(chart_view)
profile_layout.addLayout(profile_buttons)
current_label = QLabel("Current [A]:")
self.current = QLabel("0")
time_label = QLabel("Time [min]:")
self.time = QLabel("00:00 / 00:00")
self.time.setStyleSheet("font-family: monospace")
voltage_label = QLabel("Voltage [V]:")
self.voltage = QLabel("[0.00, 0.00]")
temperature_label = QLabel("Temperature [°C]:")
self.temperature = QLabel("[00.0, 00.0]")
info_layout = QGridLayout()
info_layout.addWidget(current_label, 0, 0)
info_layout.addWidget(self.current, 0, 1)
info_layout.addWidget(time_label, 1, 0)
info_layout.addWidget(self.time, 1, 1)
info_layout.addWidget(voltage_label, 2, 0)
info_layout.addWidget(self.voltage, 2, 1)
info_layout.addWidget(temperature_label, 3, 0)
info_layout.addWidget(self.temperature, 3, 1)
layout = QHBoxLayout()
layout.addLayout(profile_layout)
layout.addLayout(info_layout)
self.setLayout(layout)
self.setWindowTitle("Load Controller")
self._profile_chooser_btn = self._win.findChild(QObject, "profile_chooser")
self._profile_chooser_btn.clicked.connect(self._choose_profile)
self._start_pause_btn = self._win.findChild(QObject, "start_pause")
self._start_pause_btn.clicked.connect(self._start_pause)
self._stop_btn = self._win.findChild(QObject, "stop")
self._stop_btn.clicked.connect(self._stop)
self._profile_handler = profile_handler
self._profile_handler.current_changed.connect(self._update_current)
self._profile_handler.finished.connect(self._stop)
self._update_timer = QTimer()
@ -90,7 +43,7 @@ class GUI(QWidget):
self._update_timer.start(100)
def _choose_profile(self):
dlg = QFileDialog(parent=self)
dlg = QFileDialog()
dlg.setFileMode(QFileDialog.FileMode.ExistingFile)
dlg.setNameFilter("Profiles (*.csv)")
if not dlg.exec():
@ -98,58 +51,31 @@ class GUI(QWidget):
profile_path = dlg.selectedFiles()[0]
print(f"Profile: {profile_path}")
self.profile.setText(profile_path)
self.profile.setStyleSheet("font-style: normal")
self._profile_handler.load_profile(profile_path)
series = QLineSeries()
for t, i in self._profile_handler.load_profile(profile_path):
series.append(t, i)
# with open(profile_path) as fh:
# t = 0
# for l in csv.reader(fh):
# i = float(l[0])
# series.append(t, i)
# t += float(l[1])
# series.append(t, i)
# series.append()
self.chart.removeAllSeries()
self.chart.addSeries(series)
self.chart.createDefaultAxes()
self.start_pause.setDisabled(False)
def _update_current(self, current: float):
self.current.setText(f"{current:02.1f}")
self._win.setProperty("profile", profile_path)
self._win.findChild(QObject, "start_pause").setProperty("enabled", True)
def _start_pause(self):
if self._profile_handler.state == ProfileState.STOPPED:
self._profile_handler.start()
self.start_pause.setText("PAUSE")
self.stop.setDisabled(False)
self.profile_chooser.setDisabled(True)
self._start_pause_btn.setProperty("text", "PAUSE")
self._stop_btn.setProperty("enabled", True)
self._profile_chooser_btn.setProperty("enabled", False)
# TODO: Start logging
elif self._profile_handler.state == ProfileState.RUNNING:
self._profile_handler.pause()
self.start_pause.setText("RESUME")
self._start_pause_btn.setProperty("text", "RESUME")
else:
self._profile_handler.resume()
self.start_pause.setText("PAUSE")
self._start_pause_btn.setProperty("text", "PAUSE")
def _stop(self):
self.start_pause.setText("START")
self.stop.setDisabled(True)
self.profile_chooser.setDisabled(False)
self._start_pause_btn.setProperty("text", "START")
self._stop_btn.setProperty("enabled", False)
self._profile_chooser_btn.setProperty("enabled", True)
def _update(self):
if self._profile_handler.state == ProfileState.RUNNING:
dt = time.time() - self._profile_handler.profile_start
if len(self.chart.series()) == 1:
series = QLineSeries()
series.append(dt, 0)
series.append(dt, 100)
self.chart.addSeries(series)
self.chart.createDefaultAxes()
else:
series = cast(QLineSeries, self.chart.series()[-1])
series.removePoints(0, 2)
series.append(dt, 0)
series.append(dt, 100)
self._win.setProperty("profileTime", dt)

View File

@ -1,7 +1,7 @@
import serial
import time
from PySide6.QtCore import QObject
from PySide6.QtCore import QObject, Slot, QTimer
from .profile_handler import ProfileHandler
@ -11,23 +11,28 @@ class Load(QObject):
_current: float
_timer: QTimer
_profile_handler: ProfileHandler
def __init__(self, uart_path: str, profile_handler: ProfileHandler):
super().__init__(None)
self.dev = serial.Serial(uart_path, 115200)
self._current = 0
profile_handler.current_changed.connect(self._update_current)
self._profile_handler = profile_handler
self._profile_handler.currentChanged.connect(self._update_current)
self._timer = QTimer()
self._timer.timeout.connect(self._update_load)
self._timer.start(100)
@Slot()
def _update_current(self, current):
self._current = current
def do_work(self):
while True:
time.sleep(0.1)
def _update_load(self):
curr_quants = round(self._current / 0.1)
assert curr_quants <= 0xFFFF
curr_quants = round(self._current / 0.1)
assert curr_quants <= 0xFFFF
msb = curr_quants >> 8
lsb = curr_quants & 0xFF
self.dev.write(bytes((msb, lsb)))
msb = curr_quants >> 8
lsb = curr_quants & 0xFF
self.dev.write(bytes((msb, lsb)))

View File

@ -12,7 +12,8 @@ class ProfileState(enum.Enum):
class ProfileHandler(QObject):
current_changed = Signal(float)
currentChanged = Signal(float)
profileChanged = Signal(list)
finished = Signal()
state: ProfileState
@ -20,7 +21,7 @@ class ProfileHandler(QObject):
_timer: QTimer
profile_start: float
_profile: list[tuple[float, float]]
_profile: list[list[float]]
_pause_time: float
_last_current: float
@ -36,16 +37,17 @@ class ProfileHandler(QObject):
self._pause_time = 0
self._last_current = 0
def load_profile(self, path: str) -> list[tuple[float, float]]:
def load_profile(self, path: str):
with open(path) as fh:
result = []
t = 0
for l in csv.reader(fh):
i = float(l[0])
result.append((t, i))
result.append([t, i])
t += float(l[1])
result.append((t, i))
result.append([t, i])
self._profile = result
self.profileChanged.emit(result)
return result
def start(self):
@ -55,13 +57,13 @@ class ProfileHandler(QObject):
self.state = ProfileState.RUNNING
current = self._profile[0][1]
self._last_current = current
self.current_changed.emit(current)
self.currentChanged.emit(current)
def pause(self):
assert self.state == ProfileState.RUNNING
self.state = ProfileState.PAUSED
self.current_changed.emit(0)
self.currentChanged.emit(0)
self._last_current = 0
self._pause_time = time.time()
@ -76,7 +78,7 @@ class ProfileHandler(QObject):
assert self.state != ProfileState.STOPPED
self.state = ProfileState.STOPPED
self.current_changed.emit(0)
self.currentChanged.emit(0)
self._last_current = 0
def _update(self):
@ -85,11 +87,11 @@ class ProfileHandler(QObject):
try:
current = next(t[1] for t in self._profile if t[0] >= dt)
if current != self._last_current:
self.current_changed.emit(current)
self.currentChanged.emit(current)
self._last_current = current
except StopIteration:
self.state = ProfileState.STOPPED
self.finished.emit()
else:
self._last_current = 0
self.current_changed.emit(0)
self.currentChanged.emit(0)

View File

@ -15,13 +15,8 @@ def main(argv: list[str]) -> int:
app = QApplication(sys.argv)
profile_handler = ProfileHandler()
gui = GUI(profile_handler)
gui.show()
load = Load(argv[1], profile_handler)
load_thread = QThread()
load.moveToThread(load_thread)
load_thread.started.connect(load.do_work)
load_thread.start()
return app.exec()

11
requirements.txt Normal file
View File

@ -0,0 +1,11 @@
black==22.12.0
click==8.1.3
mypy-extensions==0.4.3
pathspec==0.10.3
platformdirs==2.6.2
pymodbus==3.0.2
pyserial==3.5
PySide6==6.4.1
PySide6-Addons==6.4.1
PySide6-Essentials==6.4.1
shiboken6==6.4.1

159
ui/main_window.qml Normal file
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@ -0,0 +1,159 @@
import QtQuick 2.15
import QtQuick.Controls 2.15
import QtQuick.Layouts 2.15
import QtCharts 2.15
ApplicationWindow {
visible: true
width: 600
height: 500
title: "Load Controller"
property QtObject profile_handler
property string profile: "None"
property real profileTime: 0
property real current: 0
property string time: "00:00 / 00:00"
property real voltage_min: 0
property real voltage_max: 0
property real temp_min: 0
property real temp_max: 0
Connections {
target: profile_handler
function onCurrentChanged(new_current) {
console.log("currentChanged");
current = new_current;
}
function onProfileChanged(data) {
profileSeries.clear();
var last_x = 0;
for (var point of data) {
profileSeries.append(point[0], point[1]);
last_x = point[0];
}
axisX.max = last_x;
axisX.applyNiceNumbers();
}
}
onProfileTimeChanged: {
currentTimeSeries.clear()
currentTimeSeries.append(profileTime, 0)
currentTimeSeries.append(profileTime, 100)
}
RowLayout {
id: layout
anchors.fill: parent
spacing: 6
ColumnLayout {
RowLayout {
Text {
text: "Profile:"
}
Text {
text: profile
}
Button {
objectName: "profile_chooser"
text: "Choose"
}
}
ChartView {
Layout.fillWidth: true
Layout.fillHeight: true
Layout.minimumWidth: 400
Layout.minimumHeight: 400
antialiasing: true
legend.visible: false
ValueAxis {
id: axisX
min: 0
titleText: "Time [s]"
}
ValueAxis {
id: axisY
min: 0
max: 100
tickCount: 11
titleText: "Current [A]"
}
LineSeries {
id: profileSeries
axisX: axisX
axisY: axisY
}
LineSeries {
id: currentTimeSeries
axisX: axisX
axisY: axisY
XYPoint {x: 0; y: 0}
XYPoint {x: 0; y: 100}
visible: true
}
}
RowLayout {
Button {
objectName: "start_pause"
text: "START"
enabled: false
}
Button {
objectName: "stop"
text: "STOP"
enabled: false
}
}
}
GridLayout {
Text {
text: "Current [A]:"
Layout.row: 0
Layout.column: 0
}
Text {
text: current.toFixed(1)
Layout.row: 0
Layout.column: 1
}
Text {
text: "Time [min]:"
Layout.row: 1
Layout.column: 0
}
Text {
text: time
Layout.row: 1
Layout.column: 1
}
Text {
text: "Voltage [V]:"
Layout.row: 2
Layout.column: 0
}
Text {
text: "[" + voltage_min.toFixed(2) + ", " + voltage_max.toFixed(2) + "]"
Layout.row: 2
Layout.column: 1
}
Text {
text: "Temperature [°C]:"
Layout.row: 3
Layout.column: 0
}
Text {
text: "[" + temp_min.toFixed(1) + ", " + temp_max.toFixed(1) + "]"
Layout.row: 3
Layout.column: 1
}
}
}
minimumWidth: layout.Layout.minimumWidth
minimumHeight: layout.Layout.minimumHeight
}