86 lines
2.2 KiB
Python
86 lines
2.2 KiB
Python
from pyqtgraph.Qt import QtGui, QtCore
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import numpy as np
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import pyqtgraph as pg
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from pytec.client import Client
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rec_len = 1000
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refresh_period = 20
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channel_data = [{
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'adc': np.zeros(rec_len),
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'sens': np.zeros(rec_len),
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'temperature': np.zeros(rec_len),
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'i_set': np.zeros(rec_len),
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'pid_output': np.zeros(rec_len),
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'vref': np.zeros(rec_len),
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'dac_value': np.zeros(rec_len),
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'dac_feedback': np.zeros(rec_len),
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'i_tec': np.zeros(rec_len),
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'tec_i': np.zeros(rec_len),
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'tec_u_meas': np.zeros(rec_len),
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'interval': np.zeros(rec_len),
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'temp_set': np.zeros(rec_len),
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} for _ in range(2)]
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tec = Client()
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app = pg.mkQApp()
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mw = QtGui.QMainWindow()
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mw.setWindowTitle('Thermostat Control Panel')
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mw.resize(800,800)
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cw = QtGui.QWidget()
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mw.setCentralWidget(cw)
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l = QtGui.QVBoxLayout()
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cw.setLayout(l)
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pg.setConfigOptions(antialias=True)
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pw0= pg.PlotWidget(name='Channel 0')
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l.addWidget(pw0)
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pw1 = pg.PlotWidget(name='Channel 1')
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l.addWidget(pw1)
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curve0 = pw0.plot()
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curve1 = pw1.plot()
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cnt = 0
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time_stamp = np.zeros(rec_len)
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def update(n):
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global cnt
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for data in tec.report_mode():
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ch = data[n]
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for tag, seq in channel_data[n].items():
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if tag in ch:
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v = ch[tag]
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if type(v) is float:
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if cnt == 0:
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np.copyto(seq, np.full(rec_len, v))
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else:
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seq[:-1] = seq[1:]
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seq[-1] = v
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if quit:
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break
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return
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def updateData():
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global cnt
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update(0)
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update(1)
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cnt += 1
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time_stamp[:-1] = time_stamp[1:]
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time_stamp[-1] = cnt * refresh_period / 1000
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pw0.setRange(xRange=[cnt * refresh_period / 1000 - 20.0, cnt * refresh_period / 1000])
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pw1.setRange(xRange=[cnt * refresh_period / 1000 - 20.0, cnt * refresh_period / 1000])
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curve0.setData(x = time_stamp, y = channel_data[0]['temperature'])
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curve1.setData(x = time_stamp, y = channel_data[1]['temperature'])
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## Start a timer to rapidly update the plot in pw
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t = QtCore.QTimer()
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t.timeout.connect(updateData)
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t.start(refresh_period)
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mw.show()
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if __name__ == '__main__':
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pg.exec() |