Initial commit #2
This commit is contained in:
Matthias@Dell
parent
7c5dca87c9
commit
4b28a3b475
2
.gitignore
vendored
Normal file
2
.gitignore
vendored
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@ -0,0 +1,2 @@
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__pycache__
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.ipynb_checkpoints
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25
file_io.py
25
file_io.py
@ -1,6 +1,21 @@
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from os import listdir, path
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def add_zeros(v: int, digits=3):
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"""
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return v as string, add leading zeros if len(str(v)) < digits
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"""
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s = str(v)
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return '0' * (max(digits - len(s), 0)) + s
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def get_next_filename(basename, directory=".", digits=3):
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"""
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get the next filename (without extenstion).
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example:
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basename = file
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directory has file001, file002, file004
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-> return file005
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"""
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files = listdir(directory)
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files.sort()
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files.reverse()
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@ -11,14 +26,8 @@ def get_next_filename(basename, directory=".", digits=3):
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try:
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number = int(file.split('.')[0].strip(basename))
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if number < lowest_number: continue
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lowest_number = number
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except ValueError:
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continue
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return basename + add_zeros(lowest_number)
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20
keithley.py
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20
keithley.py
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import pyvisa
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def init_keithley(beep_success=True):
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rm = pyvisa.ResourceManager('@py')
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resources = rm.list_resources()
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if len(resources) < 1:
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raise Exception("No resources found.")
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elif len(resources) == 1:
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print(f"Opening Resource {resources[0]}")
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keithley = rm.open_resource(resources[0])
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if beep_success: keithley.write("beeper.beep(0.5, 1000)")
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return keithley
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elif len(resources) > 1:
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print(f"Resources: {resources}")
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instr = int(input("Select an instrument (0-based index)"))
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keithley = rm.open_resource(resources[instr])
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if beep_success: keithley.write("beeper.beep(0.5, 1000)")
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return keithley
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70
keithley_interactive.py
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70
keithley_interactive.py
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@ -0,0 +1,70 @@
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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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118
main.py
118
main.py
@ -1,118 +0,0 @@
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import pyvisa
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import npyscreen as nps
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import
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class Keithley(nps.NPSAppManaged):
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"""Managed Application. Contains the Praktimatika PKTSession, so that all forms and widgets can access it."""
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def onStart(self):
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self.version = "alpha 1"
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self.settings = {
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"print_output": True,
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"copy_clip": True,
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"dec_sep": ",",
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"theme": "Default"
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}
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self.load_settings()
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self.themes = {
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"Default": nps.Themes.DefaultTheme,
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"Colourful": nps.Themes.ColorfulTheme,
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"Elegant": nps.Themes.ElegantTheme,
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"Transparent-Light Font": nps.Themes.TransparentThemeLightText,
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"Transparent-Dark Font": nps.Themes.TransparentThemeDarkText,
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}
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theme = nps.Themes.DefaultTheme
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if self.settings["theme"] in self.themes:
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theme = self.themes[self.settings["theme"]]
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nps.setTheme(theme)
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# stores a selected ... to be accessible for all forms: (name, value)
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self.function = ("", None)
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self.variable = ("", None)
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self.array = ("", None)
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self.constant = ("", None)
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self.start = self.addForm("MAIN", StartupMenu, name='Praktimatika Startup')
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# self.addForm("start", StartupMenu, name='Praktimatika Startup')
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self.home = self.addForm("home", tui_home.HomeMenu, name=f"Praktimatika Home (Version {self.version})")
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# APP MENUS
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self.f_settings = self.addForm("settings", tui_home.Settings, name="Praktimatika Settings")
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self.save = self.addForm("save", SaveMenu, name="Save Praktimatika PKTSession")
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self.impor = self.addForm("import", tui_import.ImportMenu, name="Import Arrays from a spreadsheet")
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# FUNCTION MENUS
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self.func = self.addForm("m_fun", tui_user_functions.UserFuncMenu, name="Function Menu")
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self.func_calc = self.addForm("m_fun_calc", tui_user_functions.UserFuncCalc2, name="Calculation Menu")
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# BUILTIN FUNCTION MENUS
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self.weighted_median = self.addForm("weighted_median", tui_functions.WeightedMedian, name="Weighted Median")
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self.error_prop = self.addForm("error_prop", tui_user_functions.ErrorPropagation, name="Error Propagation")
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self.curve_fit = self.addForm("curve_fit", tui_user_functions.CurveFit, name="Curve Fitting")
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# PLOT MENUS
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self.plot = self.addForm("plot", tui_plot.AxesMenu, name="Plot Menu") # remove!
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self.pl_fig = self.addForm("pl_fig", tui_plot.FigMenu, name="Plot Menu - Figure")
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self.pl_ax = self.addForm("pl_ax", tui_plot.AxesMenu, name="Plot Menu - Axis")
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self.pl_pl = self.addForm("pl_pl", tui_plot.PlotMenu, name="Plot Menu - Data")
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# Add Menus
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self.add_fun = self.addForm("add_fun", tui_add.AddFun, name="Add Functions")
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self.edit_fun = self.addForm("edit_fun", tui_add.EditFunc, name="Edit Function")
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self.add_arr = self.addForm("add_arr", tui_add.AddArr, name="Add Arrays & Values")
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self.save_arr = self.addForm("save_arr", tui_functions.SaveVec, name="Save Array")
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# TOOLS
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self.latex = self.addForm("latex_table", tui_tools.LatexTable, name="Create Latex Table")
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@staticmethod
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def exit_app():
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if nps.notify_yes_no("Are you sure you want to exit?", title='Exit'):
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sys.exit()
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#
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# Settings
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#
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def load_settings(self):
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try:
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with open("keithley.conf", "r") as file:
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raw_list = file.readlines()
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file.close()
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for line in raw_list:
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if "#" in line: # ignore commented lines
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continue
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line = line.replace("\n", "")
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temp_list = line.split(" = ")
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if temp_list[1] == "True":
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temp_list[1] = True
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elif temp_list[1] == "False":
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temp_list[1] = False
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self.settings.update({temp_list[0]: temp_list[1]})
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except FileNotFoundError:
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nps.notify_confirm("Could not load settings from 'keithley.conf'. File not found.")
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except IndexError:
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nps.notify_confirm("Could not load settings from 'keithley.conf'. Invalid file structure")
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def save_settings(self):
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with open("praktimatika.conf", "w") as file:
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text = "# Praktimatika Config File. \n" \
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"# Content here will be overwritten when the settings are saved.\n"
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for key, val in self.settings.items():
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text += f"{key} = {val}\n"
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file.write(text)
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@staticmethod
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def show_error(message, exception: BaseException):
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"""
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Shows an Error Message in an nps.notify_confirm Form
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:param message: string, message
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:param exception: Exception
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:return:
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"""
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nps.notify_confirm(f"{message}:\n{exception}\nin file {exception.__traceback__.tb_frame.f_code.co_filename}\n"
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f"in line {exception.__traceback__.tb_lineno}")
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if __name__ == '__main__':
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TestApp = Keithley().run()
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93
measure.py
93
measure.py
@ -7,42 +7,117 @@ display.clear()
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display.settext('starting')
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smua.reset()
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smua.measure.autorangev = smua.AUTORANGE_ON
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smua.measure.autozero = smua.AUTOZERO_ONCE
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smua.source.output = smua.OUTPUT_OFF
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-- max 20 V expected
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smua.measure.rangev = 20
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"""
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script_dir = ""
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script_dir = "scripts/"
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scripts = {
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"buffer_reset": "scripts/buffer_reset.lua",
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"buffer_reset": "buffer_reset.lua",
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"smua_reset": "smua_reset.lua",
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}
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def run_lua(instr, script_path):
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def run_lua(instr, script_path, verbose=False):
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with open(script_dir + script_path, "r") as file:
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script = file.read()
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if verbose: print(f"Running script: {script_dir + script_path}")
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instr.write(script)
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def measureV(count=100, interval=0.05)
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def measure_V(instr, count=100, interval=0.05):
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"""
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"""
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data = []
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for i in range(1000):
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data.append(tuple(float(v) for v in keithley.query("print(smua.measure.v())").strip('\n').split('\t')))
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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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# 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(0.05)
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def reset(instr):
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run_lua(instr, scripts["smua_reset"], verbose=verbose)
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run_lua(instr, scripts["buffer_reset"], verbose=verbose)
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def measure_count(instr, V=True, I=True, count=100, interval=0.05, beep_done=True, verbose=True):
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"""
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take n measurements at dt interval
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"""
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reset(instr)
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f_meas = None
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if V and I:
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f_meas = "smua.measure.iv(smua.nvbuffer1, smua.nvbuffer2)"
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elif V:
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f_meas = "smua.measure.v(smua.nvbuffer1)"
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elif I:
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f_meas = "smua.measure.i(smua.nvbuffer1)"
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else:
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print("I and/or V needs to be set to True")
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return
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instr.write(f"smua.measure.count = {count}")
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instr.write(f"smua.measure.interval = {interval}")
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instr.write(f"smua.source.output = smua.OUTPUT_ON")
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instr.write(f_meas)
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instr.write(f"smua.source.output = smua.OUTPUT_OFF")
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if beep_done:
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instr.write("beeper.beep(0.3, 1000)")
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def collect_buffer(instr, buffer_nr=1):
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"""
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get the buffer in double precision binary format as np.array
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get the buffer as 2D - np.array
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i - ith reading
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0: timestamps
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1: readings
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"""
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if buffer_nr == 2: buffername = "smua.nvbuffer2"
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else: buffername = "smua.nvbuffer1"
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instr.write("format.data = format.DREAL\nformat.byteorder = format.LITTLEENDIAN")
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buffer = instr.query_ascii_values(f"printbuffer(1, {buffername}.n, {buffername})", datatype='d', container=np.array)
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# instr.write("format.data = format.DREAL\nformat.byteorder = format.LITTLEENDIAN")
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# buffer = instr.query_binary_values(f"printbuffer(1, {buffername}.n, {buffername})", datatype='d', container=np.array)
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instr.write("format.data = format.ASCII\nformat.asciiprecision = 7")
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timestamps = instr.query_ascii_values(f"printbuffer(1, {buffername}.n, {buffername}.timestamps)", container=np.array)
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readings = instr.query_ascii_values(f"printbuffer(1, {buffername}.n, {buffername}.readings)", container=np.array)
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print(f"readings: {readings}, \ntimestamps: {timestamps}")
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buffer = np.vstack((timestamps, readings)).T
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return buffer
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def event_test_TODO():
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# Type of event we want to be notified about
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event_type = pyvisa.constants.EventType.service_request
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# Mechanism by which we want to be notified
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event_mech = pyvisa.constants.EventMechanism.queue
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keithley.enable_event(event_type, event_mech)
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# Instrument specific code to enable service request
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# (for example on operation complete OPC)
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keithley.write("*SRE 1")
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keithley.write("INIT")
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with open("script.lua", "r") as file:
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script = file.read()
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# for line in script.split('\n'):
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# input(line)
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# keithley.write(line)
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keithley.write(script)
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# Wait for the event to occur
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response = keithley.wait_on_event(event_type, 1000)
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assert response.event.event_type == event_type
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assert response.timed_out == False
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instr.disable_event(event_type, event_mech)
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keithley.query_ascii_values("printbuffer(1, 10, smua.nvbuffer1)", 6)
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print(voltages)
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498
measurement.ipynb
Normal file
498
measurement.ipynb
Normal file
File diff suppressed because one or more lines are too long
66
readings.txt
Normal file
66
readings.txt
Normal file
@ -0,0 +1,66 @@
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readings: [ 4.974127e-10 -1.418591e-12 -1.573563e-12 -1.728535e-12 -1.704693e-12
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-1.847744e-12 -1.931190e-12 -1.788139e-12 -1.871586e-12 -2.169609e-12
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-2.074242e-12 -1.895428e-12 -1.895428e-12 -1.776218e-12 -1.990795e-12
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-1.788139e-12 -1.811981e-12 -1.657009e-12 -1.573563e-12 -2.396107e-12
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-2.515316e-12 -2.765656e-12 -2.825260e-12 -3.147125e-12 -2.300739e-12
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-2.825260e-12 -3.278255e-12 -5.257130e-12 -6.818771e-12 -8.916855e-12
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-7.712841e-12 6.437302e-12 -1.142025e-11 -1.206398e-11 -4.649043e-10
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-3.427613e-09 -2.460408e-09 -2.340376e-09 -1.306653e-10 1.496077e-11
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2.933741e-11 1.953280e-09 8.579970e-10 9.226799e-12 -1.095533e-11
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-2.508163e-11 -2.776039e-09 -8.686423e-09 4.935264e-12 1.246929e-11
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3.225744e-09 2.814472e-09 1.877034e-09 2.229273e-09 1.713574e-09
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8.355618e-10 -4.332781e-10 5.896091e-11 5.762577e-11 8.129537e-09
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4.044378e-09 1.771629e-09 7.849216e-10 4.098892e-10 3.390551e-10
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2.956390e-10 3.033876e-10 1.716256e-10 1.463890e-11 -5.078316e-12
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-6.949902e-12 -8.106232e-12 -6.473065e-12 -4.506111e-12 4.919767e-11
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3.052297e-08 1.161162e-08 -9.892106e-09 -3.613818e-09 -5.004287e-09
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-2.015829e-11 -4.183054e-11 -1.810908e-10 -2.042532e-10 -3.516316e-10
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5.099773e-11 1.921976e-08 -1.256589e-08 -4.242897e-10 -1.358986e-12
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-3.445148e-12 -3.838539e-12 -4.184246e-12 -7.402897e-12 -2.840877e-10
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-2.872229e-10 -2.730966e-10 -1.134396e-10 -4.376173e-11 -3.576279e-14],
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timestamps: [0. 0.05 0.1 0.15 0.2 0.25 0.3 0.35
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0.4 0.45 0.5 0.55 0.6 0.65 0.7 0.75
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0.8 0.85 0.9 0.95 1. 1.05 1.1 1.15
|
||||
1.2 1.25 1.3 1.35 1.4 1.45 1.5 1.55
|
||||
1.6 1.690891 1.710923 1.75 1.8 1.85 1.9 1.95
|
||||
2. 2.05 2.1 2.15 2.2 2.25 2.3 2.35
|
||||
2.420332 2.45 2.5 2.55 2.6 2.65 2.7 2.75
|
||||
2.820553 2.890843 2.910875 2.95 3. 3.05 3.1 3.15
|
||||
3.2 3.25 3.3 3.35 3.4 3.45 3.5 3.55
|
||||
3.6 3.65 3.7 3.75 3.8 3.85 3.9 3.95
|
||||
4. 4.05 4.1 4.15 4.2 4.25 4.3 4.35
|
||||
4.4 4.45 4.5 4.55 4.6 4.65 4.7 4.75
|
||||
4.8 4.85 4.9 4.95 ]
|
||||
readings: [-1.556139e-01 -1.663574e-01 -1.621783e-01 -1.685456e-01 -1.634915e-01
|
||||
-1.711711e-01 -1.661170e-01 -1.711710e-01 -1.665548e-01 -1.742343e-01
|
||||
-1.669925e-01 -1.724839e-01 -1.674302e-01 -1.733590e-01 -1.669922e-01
|
||||
-1.729215e-01 -1.687431e-01 -1.772979e-01 -1.770578e-01 -1.829874e-01
|
||||
-1.674301e-01 -1.606676e-01 -1.437982e-01 -1.322218e-01 -1.140394e-01
|
||||
-1.151545e-01 -9.478331e-02 -6.351433e-02 -2.557993e-04 6.995752e-02
|
||||
1.734703e-01 1.487249e-01 1.095815e-01 1.079751e+01 1.263197e+01
|
||||
1.362582e+01 1.300827e+01 1.259473e+01 1.025542e+01 3.997076e+00
|
||||
-9.946833e+00 -1.482129e+01 -1.399363e+01 -1.326294e+01 -1.132879e+01
|
||||
-5.142632e+00 1.148345e+01 1.378293e+01 -3.400979e-01 -9.995720e-01
|
||||
-1.749203e+00 -1.385303e+00 -1.056456e+00 -1.082226e+00 -8.675261e-01
|
||||
-7.083023e-01 8.988955e-02 4.139638e+00 -6.590693e+00 -1.697538e+01
|
||||
-1.556470e+01 -1.461764e+01 -1.392116e+01 -1.365366e+01 -1.351573e+01
|
||||
-1.343544e+01 -1.343307e+01 -1.329787e+01 -1.297363e+01 -1.218130e+01
|
||||
-1.076091e+01 -8.683739e+00 -6.708155e+00 -5.400786e+00 -7.245429e+00
|
||||
-1.917886e+01 -1.436163e+01 1.541487e+01 1.495236e+01 1.484173e+01
|
||||
1.273334e+01 1.251023e+01 1.266481e+01 1.274583e+01 1.290255e+01
|
||||
1.080429e+01 -1.518563e+01 1.614336e+01 1.317309e+01 1.189001e+01
|
||||
1.109593e+01 1.094126e+01 1.113482e+01 1.139770e+01 1.268495e+01
|
||||
1.251639e+01 1.248731e+01 1.230242e+01 1.220341e+01 1.181950e+01],
|
||||
timestamps: [0. 0.05 0.1 0.15 0.2 0.25 0.3 0.35
|
||||
0.4 0.45 0.5 0.55 0.6 0.65 0.7 0.75
|
||||
0.8 0.85 0.9 0.95 1. 1.05 1.1 1.15
|
||||
1.2 1.25 1.3 1.35 1.4 1.45 1.5 1.55
|
||||
1.6 1.690891 1.710923 1.75 1.8 1.85 1.9 1.95
|
||||
2. 2.05 2.1 2.15 2.2 2.25 2.3 2.35
|
||||
2.420332 2.45 2.5 2.55 2.6 2.65 2.7 2.75
|
||||
2.820553 2.890843 2.910875 2.95 3. 3.05 3.1 3.15
|
||||
3.2 3.25 3.3 3.35 3.4 3.45 3.5 3.55
|
||||
3.6 3.65 3.7 3.75 3.8 3.85 3.9 3.95
|
||||
4. 4.05 4.1 4.15 4.2 4.25 4.3 4.35
|
||||
4.4 4.45 4.5 4.55 4.6 4.65 4.7 4.75
|
||||
4.8 4.85 4.9 4.95 ]
|
||||
@ -1,3 +1,4 @@
|
||||
-- reset both buffers and set to append mode
|
||||
smua.nvbuffer1.clear()
|
||||
smua.nvbuffer1.fillmode = smua.FILL_ONCE
|
||||
smua.nvbuffer1.appendmode = 1
|
||||
@ -7,4 +8,3 @@ smua.nvbuffer2.clear()
|
||||
smua.nvbuffer2.fillmode = smua.FILL_ONCE
|
||||
smua.nvbuffer2.appendmode = 1
|
||||
smua.nvbuffer2.collecttimestamps = 1
|
||||
|
||||
10
scripts/smua_reset.lua
Normal file
10
scripts/smua_reset.lua
Normal file
@ -0,0 +1,10 @@
|
||||
-- reset smua
|
||||
smua.reset()
|
||||
smua.measure.autorangev = smua.AUTORANGE_ON
|
||||
smua.measure.autozero = smua.AUTOZERO_ONCE
|
||||
-- set output to 0A DC
|
||||
smua.source.output = smua.OUTPUT_OFF
|
||||
smua.source.func = smua.OUTPUT_DCAMPS
|
||||
smua.source.leveli = smua.OUTPUT_OFF
|
||||
|
||||
-- smua.measure.rangev = 20
|
||||
Loading…
Reference in New Issue
Block a user