1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
|
"""
ui/main_window.py
Main application window. Hosts the left sidebar (device list),
center strip chart, right panel (numeric readouts + alarms).
"""
from PyQt6.QtWidgets import (
QMainWindow, QWidget, QHBoxLayout, QVBoxLayout,
QSplitter, QStatusBar, QLabel, QPushButton,
QToolBar, QMessageBox, QFileDialog
)
from PyQt6.QtCore import Qt, QTimer, pyqtSlot
from PyQt6.QtGui import QAction, QIcon, QFont
from devices.analog_input import AnalogInputDevice
from devices.digital_io import DigitalIODevice
from devices.temperature import TemperatureDevice
from devices.serial_device import SerialDevice
from devices.device_registry import DeviceRegistry
from core.acquisition import AcquisitionEngine
from ui.device_panel import DevicePanel
from ui.strip_chart import StripChartWidget
from ui.readout_panel import ReadoutPanel
from ui.alarm_panel import AlarmPanel
from ui.config_dialog import DeviceConfigDialog
class MainWindow(QMainWindow):
def __init__(self):
super().__init__()
self.setWindowTitle("LabDAQ — Data Acquisition System")
self.setMinimumSize(1280, 780)
self.registry = DeviceRegistry()
self.engine = AcquisitionEngine(poll_interval_ms=100)
self._running = False
self._init_default_devices()
self._build_ui()
self._connect_signals()
# ------------------------------------------------------------------ #
# Default demo configuration #
# ------------------------------------------------------------------ #
def _init_default_devices(self):
ai = AnalogInputDevice(device_id="ai_0", num_channels=4, simulate=True)
ai.connect()
temp = TemperatureDevice(device_id="temp_0", num_channels=3, simulate=True)
temp.connect()
dio = DigitalIODevice(device_id="dio_0", num_inputs=4, num_outputs=4, simulate=True)
dio.connect()
for dev in [ai, temp, dio]:
self.registry.add_instance(dev)
self.engine.add_device(dev)
# ------------------------------------------------------------------ #
# UI construction #
# ------------------------------------------------------------------ #
def _build_ui(self):
# ---- Toolbar ----
toolbar = QToolBar("Main")
toolbar.setMovable(False)
toolbar.setObjectName("mainToolbar")
self.addToolBar(toolbar)
self.run_btn = QPushButton("▶ RUN")
self.run_btn.setObjectName("runButton")
self.run_btn.setCheckable(True)
self.run_btn.clicked.connect(self._toggle_run)
self.log_btn = QPushButton("⬤ LOG")
self.log_btn.setObjectName("logButton")
self.log_btn.setCheckable(True)
self.log_btn.setEnabled(False)
self.log_btn.clicked.connect(self._toggle_log)
add_dev_btn = QPushButton("＋ Device")
add_dev_btn.setObjectName("addDeviceButton")
add_dev_btn.clicked.connect(self._add_device)
toolbar.addWidget(self.run_btn)
toolbar.addSeparator()
toolbar.addWidget(self.log_btn)
toolbar.addSeparator()
toolbar.addWidget(add_dev_btn)
# Spacer
spacer = QWidget()
spacer.setSizePolicy(
spacer.sizePolicy().horizontalPolicy(),
spacer.sizePolicy().verticalPolicy()
)
from PyQt6.QtWidgets import QSizePolicy
spacer.setSizePolicy(QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Preferred)
toolbar.addWidget(spacer)
self.time_label = QLabel("00:00:00")
self.time_label.setObjectName("timeLabel")
toolbar.addWidget(self.time_label)
# ---- Central layout ----
central = QWidget()
self.setCentralWidget(central)
root = QHBoxLayout(central)
root.setContentsMargins(0, 0, 0, 0)
root.setSpacing(0)
splitter = QSplitter(Qt.Orientation.Horizontal)
splitter.setHandleWidth(4)
# Left: device panel
self.device_panel = DevicePanel(self.registry, self.engine)
self.device_panel.setMinimumWidth(200)
splitter.addWidget(self.device_panel)
# Center: strip chart
self.strip_chart = StripChartWidget(self.engine, self.registry)
splitter.addWidget(self.strip_chart)
# Right: readouts + alarms
right_panel = QWidget()
right_layout = QVBoxLayout(right_panel)
right_layout.setContentsMargins(0, 0, 0, 0)
right_layout.setSpacing(0)
self.readout_panel = ReadoutPanel(self.registry)
self.alarm_panel = AlarmPanel()
right_splitter = QSplitter(Qt.Orientation.Vertical)
right_splitter.addWidget(self.readout_panel)
right_splitter.addWidget(self.alarm_panel)
right_layout.addWidget(right_splitter)
right_panel.setMinimumWidth(220)
splitter.addWidget(right_panel)
splitter.setSizes([220, 820, 240])
root.addWidget(splitter)
# ---- Status bar ----
self.status_bar = QStatusBar()
self.setStatusBar(self.status_bar)
self._status_lbl = QLabel("Ready")
self.status_bar.addWidget(self._status_lbl)
# Clock timer
self._elapsed = 0
self._clock = QTimer()
self._clock.setInterval(1000)
self._clock.timeout.connect(self._tick_clock)
def _connect_signals(self):
self.engine.alarm_triggered.connect(self._on_alarm)
self.engine.new_data.connect(self.readout_panel.on_new_data)
self.engine.new_data.connect(self.strip_chart.on_new_data)
self.device_panel.config_requested.connect(self._open_config)
# ------------------------------------------------------------------ #
# Actions #
# ------------------------------------------------------------------ #
def _toggle_run(self, checked: bool):
if checked:
self.engine.start()
self.run_btn.setText("⏹ STOP")
self.log_btn.setEnabled(True)
self._clock.start()
self._status_lbl.setText("Acquiring data…")
self._running = True
else:
self.engine.stop()
self.run_btn.setText("▶ RUN")
self.log_btn.setEnabled(False)
if self.log_btn.isChecked():
self.log_btn.setChecked(False)
self._toggle_log(False)
self._clock.stop()
self._status_lbl.setText("Stopped")
self._running = False
def _toggle_log(self, checked: bool):
if checked:
path = self.engine.start_logging()
self.log_btn.setText(f"⏹ LOGGING")
self._status_lbl.setText(f"Logging → {path}")
else:
self.engine.stop_logging()
self.log_btn.setText("⬤ LOG")
self._status_lbl.setText("Log saved.")
def _add_device(self):
from ui.add_device_dialog import AddDeviceDialog
dlg = AddDeviceDialog(self.registry, self)
if dlg.exec():
dev = dlg.created_device
if dev:
self.registry.add_instance(dev)
self.engine.add_device(dev)
dev.connect()
self.device_panel.refresh()
self.readout_panel.refresh()
self.strip_chart.refresh()
def _open_config(self, device_id: str):
dev = self.registry.get_instance(device_id)
if dev:
dlg = DeviceConfigDialog(dev, self)
dlg.exec()
@pyqtSlot(str, str, float, str)
def _on_alarm(self, device_id: str, channel_id: str, value: float, kind: str):
self.alarm_panel.add_alarm(device_id, channel_id, value, kind)
def _tick_clock(self):
self._elapsed += 1
h = self._elapsed // 3600
m = (self._elapsed % 3600) // 60
s = self._elapsed % 60
self.time_label.setText(f"{h:02d}:{m:02d}:{s:02d}")
def closeEvent(self, event):
self.engine.stop()
event.accept()
|
