This commit is contained in:
Vincent Hanewinkel 2025-08-14 22:56:00 +02:00
parent 559f512bee
commit b2406ed037
9 changed files with 216 additions and 209 deletions

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import sys, pysmu
from functools import partial
from PyQt5.QtWidgets import QApplication
from SessionManager import SessionManager
from DeviceController import DeviceController
from GUI import MainWindow
def main():
# 1) Session + Devices
sess = pysmu.Session()
sess.add_all()
sm = SessionManager(sess)
devices = list(sess.devices)
print("Gefundene Geräte:", [d.serial for d in devices])
controllers = [DeviceController(sm, dev) for dev in devices]
# Optional: Modi setzen (A/B)
for c in controllers:
c.set_mode("A", pysmu.Mode.SIMV)
c.set_mode("B", pysmu.Mode.HI_Z)
# 2) GUI
app = QApplication(sys.argv)
win = MainWindow()
# 3) Liste + Buttons
for i, ctrl in enumerate(controllers):
w = win.add_list_item(ctrl.serial, i)
# 'checked' wird in der Lambda abgefangen, wir übergeben nur (ctrl, w)
w.btn_start.clicked.connect(lambda checked=False, c=ctrl, ww=w: (c.start(), ww.set_running(True)))
w.btn_stop.clicked.connect (lambda checked=False, c=ctrl, ww=w: (c.stop(), ww.set_running(False)))
win.show()
sys.exit(app.exec_())
if __name__ == "__main__":
main()

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# device_controller.py
import threading, queue, time, math, os, csv, statistics
RAW_SAMPLE_RATE = 100_000.0 # M1K nominal
CHUNK_RAW = 2000 # ~20 ms pro Chunk pro Gerät
OUTDIR = "./logs"
class DeviceController:
def __init__(self, session_manager, dev, effective_rate_hz=10_000):
self.sm = session_manager
self.dev = dev
self.serial = getattr(dev, "serial", "UNKNOWN")
# ---- Decimation berechnen ----
# z.B. effective_rate_hz=10_000 -> DECIM=10 -> effektiv 10 kS/s
self.decim = max(1, int(round(RAW_SAMPLE_RATE / float(effective_rate_hz))))
self.eff_rate = RAW_SAMPLE_RATE / self.decim
self.dt = 1.0 / self.eff_rate
self.cmdq = queue.Queue()
# größere Queue; wenn voll, verwerfen wir älteste Chunks ("Ringpuffer")
self.writer_q = queue.Queue(maxsize=400)
self.stop_evt = threading.Event()
self.running = False
self.reader_t = threading.Thread(target=self.reader_loop, daemon=True)
self.writer_t = threading.Thread(target=self.writer_loop, daemon=True)
def start(self):
if not self.reader_t.is_alive(): self.reader_t.start()
if not self.writer_t.is_alive(): self.writer_t.start()
self.cmdq.put(("start", None))
def stop(self):
self.cmdq.put(("stop", None))
def set_mode(self, ch, mode):
key = {0:"A",1:"B"}.get(ch, str(ch).upper())
self.dev.channels[key].mode = mode
# -------- Reader: liest roh und decimiert --------
def reader_loop(self):
filter_window_size = 10 # wie in deinem Logger
interval = 0.1 # 10 Hz Mess-Update
last_log_time = 0
while not self.stop_evt.is_set():
# Start/Stop Kommandos
try:
cmd, _ = self.cmdq.get_nowait()
if cmd == "start" and not self.running:
self.sm.start()
self.running = True
elif cmd == "stop" and self.running:
self.sm.stop()
self.running = False
except queue.Empty:
pass
if not self.running:
time.sleep(0.05)
continue
try:
# Rohdaten holen (filter_window_size Samples)
samples = self.dev.read(filter_window_size, -1)
if not samples:
time.sleep(interval)
continue
# Kanäle extrahieren & mitteln
va = statistics.mean(row[0] for row in samples)
vb = statistics.mean(row[2] for row in samples)
now = time.time()
if now - last_log_time >= 1.0: # nur jede Sekunde loggen
self.writer_q.put((now, va, vb))
last_log_time = now
except Exception as e:
print(f"[{self.serial}] Read-Fehler: {e}")
time.sleep(0.01)
# Loop-Rate steuern
time.sleep(max(0.05, interval))
# -------- Writer: Wide-Format, effektive Zeitachse --------
def writer_loop(self):
os.makedirs(OUTDIR, exist_ok=True)
fn = os.path.join(OUTDIR, f"{time.strftime('%Y%m%d_%H%M%S')}_{self.serial}.csv")
print(f"[{self.serial}] Writer -> {fn}")
try:
with open(fn, "w", newline="") as f:
w = csv.writer(f)
w.writerow(["timestamp", "A", "B"])
while not (self.stop_evt.is_set() and self.writer_q.empty()):
try:
ts, va, vb = self.writer_q.get(timeout=0.5)
except queue.Empty:
continue
w.writerow([ts, va, vb])
f.flush()
except Exception as e:
print(f"[{self.serial}] Writer-Fehler: {e}")
finally:
print(f"[{self.serial}] Writer beendet: {fn}")

36
GUI.py
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# gui.py
from PyQt5.QtWidgets import QWidget, QListWidget, QListWidgetItem, QPushButton, QLabel, QHBoxLayout, QVBoxLayout
class ListItemWidget(QWidget):
def __init__(self, text, index):
super().__init__()
self.index = index
lay = QHBoxLayout(self)
lay.addWidget(QLabel(text))
lay.addStretch()
self.btn_start = QPushButton("Start")
self.btn_stop = QPushButton("Stop")
self.btn_stop.setEnabled(False)
lay.addWidget(self.btn_start)
lay.addWidget(self.btn_stop)
lay.setContentsMargins(5,2,5,2)
def set_running(self, running: bool):
self.btn_start.setEnabled(not running)
self.btn_stop.setEnabled(running)
class MainWindow(QWidget):
def __init__(self):
super().__init__()
self.setWindowTitle("Logger")
lay = QVBoxLayout(self)
self.list_widget = QListWidget()
lay.addWidget(self.list_widget)
def add_list_item(self, text, index):
item = QListWidgetItem()
w = ListItemWidget(text, index)
item.setSizeHint(w.sizeHint())
self.list_widget.addItem(item)
self.list_widget.setItemWidget(item, w)
return w

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import threading
class SessionManager:
def __init__(self, sess):
self.sess = sess
self._lock = threading.Lock()
self._running_count = 0 # wie viele Devices wollen gerade streamen?
def start(self):
with self._lock:
if self._running_count == 0:
# Erster „Kunde“ → Session-Stream starten
self.sess.start(0) # 0 = endlos
self._running_count += 1
return self._running_count
def stop(self):
with self._lock:
if self._running_count > 0:
self._running_count -= 1
if self._running_count == 0:
# Letzter „Kunde“ ist weg → Session beenden
self.sess.end()
return self._running_count
def running_devices(self):
with self._lock:
return self._running_count

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device_worker.py Normal file
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import threading, queue, time, csv, os, statistics
class DeviceWorker:
def __init__(self, sm, dev, outdir,
filter_window_size=10, interval=0.1):
self.sm = sm
self.dev = dev
self.serial = getattr(dev, "serial", "UNKNOWN")
self.filter_window_size = filter_window_size
self.interval = interval
self.outdir = outdir
self.cmdq = queue.Queue()
self.stop_evt = threading.Event()
self.running = False
self.reader_t = threading.Thread(target=self.reader_loop, daemon=True)
self.writer_t = threading.Thread(target=self.writer_loop, daemon=True)
self.writer_q = queue.Queue(maxsize=50) # 1 Wert/Sek → reicht dicke
def start(self):
if not self.reader_t.is_alive(): self.reader_t.start()
if not self.writer_t.is_alive(): self.writer_t.start()
self.cmdq.put(("start", None))
def stop(self):
self.cmdq.put(("stop", None))
def set_mode(self, ch, mode):
key = {0:"A",1:"B"}.get(ch, str(ch).upper())
self.dev.channels[key].mode = mode
def reader_loop(self):
last_log = 0.0
while not self.stop_evt.is_set():
# Start/Stop Kommandos
try:
cmd, _ = self.cmdq.get_nowait()
if cmd == "start" and not self.running:
self.sm.start()
self.running = True
elif cmd == "stop" and self.running:
self.running = False
self.sm.stop()
except queue.Empty:
pass
if not self.running:
time.sleep(0.05)
continue
try:
# exakt wie dein Single-Loop:
samples = self.dev.read(self.filter_window_size, -1) # ggf. read(n)
if not samples:
time.sleep(self.interval)
continue
vA = statistics.mean(row[0] for row in samples)
vB = statistics.mean(row[2] for row in samples)
now = time.time()
if now - last_log >= 1.0: # 1 Hz logging
try:
self.writer_q.put((now, vA, vB), timeout=0.2)
last_log = now
except queue.Full:
pass # selten, bei 1Hz praktisch nie
except Exception as e:
print(f"[{self.serial}] Read-Fehler: {e}")
time.sleep(0.02)
# Loop-Rate wie bei dir:
time.sleep(max(0.05, self.interval))
def writer_loop(self):
os.makedirs(self.outdir, exist_ok=True)
fn = os.path.join(self.outdir, f"{time.strftime('%Y%m%d_%H%M%S')}_{self.serial}.csv")
try:
with open(fn, "w", newline="") as f:
w = csv.writer(f)
w.writerow(["timestamp","A","B"])
while not (self.stop_evt.is_set() and self.writer_q.empty()):
try:
ts, vA, vB = self.writer_q.get(timeout=0.5)
except queue.Empty:
continue
w.writerow([ts, vA, vB])
f.flush() # 1 Zeile/Sek → ok
except Exception as e:
print(f"[{self.serial}] Writer-Fehler: {e}")
finally:
print(f"[{self.serial}] Datei geschlossen: {fn}")
def shutdown(self):
self.stop()
self.stop_evt.set()

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gui_main.py Normal file
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import sys
from PyQt5.QtWidgets import QApplication, QWidget, QListWidget, QListWidgetItem, QVBoxLayout, QPushButton, QLabel, QHBoxLayout
from multi_logger import MultiLogger
class ListItemWidget(QWidget):
def __init__(self, text, worker):
super().__init__()
self.worker = worker
layout = QHBoxLayout(self)
layout.addWidget(QLabel(text))
layout.addStretch()
btn_start = QPushButton("Start")
btn_stop = QPushButton("Stop")
btn_start.clicked.connect(lambda: self.worker.start())
btn_stop.clicked.connect(lambda: self.worker.stop())
layout.addWidget(btn_start)
layout.addWidget(btn_stop)
layout.setContentsMargins(5, 2, 5, 2)
class MainWindow(QWidget):
def __init__(self, logger):
super().__init__()
self.logger = logger
self.setWindowTitle("Multi-Geräte-Logger")
self.resize(400, 300)
main_layout = QVBoxLayout(self)
self.list_widget = QListWidget()
main_layout.addWidget(self.list_widget)
for worker in self.logger.workers:
item = QListWidgetItem()
widget = ListItemWidget(worker.serial, worker)
item.setSizeHint(widget.sizeHint())
self.list_widget.addItem(item)
self.list_widget.setItemWidget(item, widget)
if __name__ == "__main__":
ml = MultiLogger(outdir="./logs", filter_window_size=10, interval=0.1)
ml.set_default_modes()
app = QApplication(sys.argv)
window = MainWindow(ml)
window.show()
sys.exit(app.exec_())

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main.py Normal file
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from multi_logger import MultiLogger
if __name__ == "__main__":
ml = MultiLogger(outdir="./logs", filter_window_size=10, interval=0.1)
print("Geräte:", [w.serial for w in ml.workers])
ml.set_default_modes()
# Start/Stop wie gewohnt (z. B. via GUI-Buttons)
ml.start_all()
# ... hier deine GUI laufen lassen, oder kurz testen:
import time
time.sleep(5) # 5 Sekunden messen
ml.stop_all()
# sauber beenden
ml.shutdown()

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multi_logger.py Normal file
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import pysmu, os
from session_manager import SessionManager
from device_worker import DeviceWorker
class MultiLogger:
def __init__(self, outdir="./logs",
filter_window_size=10, interval=0.1):
self.outdir = outdir
self.filter_window_size = filter_window_size
self.interval = interval
self.sess = pysmu.Session()
self.sess.add_all()
self.sm = SessionManager(self.sess)
self.devices = list(self.sess.devices)
self.workers = [DeviceWorker(self.sm, dev, outdir,
filter_window_size, interval) for dev in self.devices]
def set_default_modes(self):
# wie gehabt: A/B-Modi setzen
for w in self.workers:
try:
w.set_mode("A", pysmu.Mode.SIMV)
w.set_mode("B", pysmu.Mode.HI_Z)
except Exception as e:
print(f"[{w.serial}] Mode-Set-Fehler: {e}")
def start_all(self):
for w in self.workers:
w.start()
def stop_all(self):
for w in self.workers:
w.stop()
def shutdown(self):
for w in self.workers:
w.shutdown()

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session_manager.py Normal file
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import threading
class SessionManager:
def __init__(self, sess):
self.sess = sess
self._lock = threading.Lock()
self._count = 0
def start(self):
with self._lock:
if self._count == 0:
self.sess.start(0) # kontinuierlich
self._count += 1
def stop(self):
with self._lock:
if self._count > 0:
self._count -= 1
if self._count == 0:
self.sess.end()