71 lines
1.5 KiB
Python
71 lines
1.5 KiB
Python
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"""
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run this before using this library:
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ipython -i keithley_interactive.py
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"""
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import numpy as np
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import matplotlib.pyplot as plt
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from sys import exit
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settings = {
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"filename": "measurement",
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"interval": 0.01,
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"beep": True,
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}
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# global variable for the instrument returned by pyvisa
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k = None
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def measure():
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global k, settings
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pass
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def monitor():
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"""
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Monitor the voltage with matplotlib.
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@details:
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- Resets the buffers
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- Opens a matplotlib window and takes measurements depending on settings["interval"]
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- Waits for the user to press a key
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You can take the data from the buffer afterwards, using TODO
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"""
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data = []
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for _ in range(1000):
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# data.append(tuple(float(v) for v in instr.query("print(smua.measure.v())").strip('\n').split('\t')))
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data.append(np.random())
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# print(i, data[-1])
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# clear_output(wait=True)
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plt.plot(data)
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plt.show()
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sleep(settings["interval"])
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pass
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def save_csv():
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global k, settings
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"""
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Saves the contents of nvbuffer1 as csv
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"""
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pass
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def help():
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print("""
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""")
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def init():
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global k, settings
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print("""Interactive Keithley-Shell for TENG measurements.
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Version 1.0
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---
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Enter 'help()' for a list of commands""")
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from keithley import init_keithley
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try:
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k = init_keithley(beep_success=settings["beep"])
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except Exception as e:
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print(e)
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exit()
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