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Added a Plotting example that uses TekHSI, tm_devices, and tm_data_types #69
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83 changes: 83 additions & 0 deletions
83
...kSeriesScopes_HighSpeedDigitizers/src/tekhsiSimplePlotExample/tekhsi_SimplePlotExample.py
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| '''An example script for connecting to a scope, setting up the trigger and channels, acquiring a waveform, | ||
| retrieving waveform data from a channel, and plotting the waveform data. | ||
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| NOTES | ||
| - Please change the ADDRESS to your scope's IP address (ADDRESS) | ||
| - This program uses an MSO5B, (from tm_device.driver import MSO5B) | ||
| - MAKE SURE HSI is enable on the scope! On the scope: Utility > I/O > HIGH SPEED INTERFACE > High Speed Interface > (Toggle) "On" | ||
| - This example uses matplotlib, tm_devices, tm_data_types, and tekhsi | ||
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| - IMPORTANT NOTE: TURN ON High Speed Interface on Scope! | ||
| Scope Path: Utility > I/O > High Speed Interface > High Speed Interface | ||
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| ''' | ||
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| # Importing modules, packages, libraries etc. | ||
| # import time # ONLY for code line 58 | ||
| import matplotlib.pyplot as plt | ||
| from tm_devices import DeviceManager # https://pypi.org/project/tm-devices/ | ||
| from tm_devices.drivers import MSO4B, MSO5, MSO5B, MSO6, MSO6B # Importing Drivers for Tektronix MSO58B, https://pypi.org/project/tm-devices/ | ||
| from tm_devices.drivers import DPO70K, DPO70KC, DPO70KD, DPO70KDX, DPO70KSX | ||
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Check notice Code scanning / CodeQL Unused import Note
Import of 'DPO70K' is not used.
Import of 'DPO70KC' is not used. Import of 'DPO70KD' is not used. Import of 'DPO70KDX' is not used. Import of 'DPO70KSX' is not used. |
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| from tm_devices.drivers import MSO70K, MSO70KC, MSO70KDX | ||
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Check notice Code scanning / CodeQL Unused import Note
Import of 'MSO70K' is not used.
Import of 'MSO70KC' is not used. Import of 'MSO70KDX' is not used. |
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| from tm_data_types import AnalogWaveform # Importing Waveform Class, https://pypi.org/project/tm-data-types/ | ||
| from tekhsi import TekHSIConnect # Importing TekHSIConnect, https://pypi.org/project/TekHSI/ | ||
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| # Scope VISA, IP, Port Settings | ||
| ADDRESS = "xxxx.xxxx.xxxx.xxxx" # Instrument IP Address | ||
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| # TURN ON High Speed Interface on Scope! | ||
| # Path: Utility > I/O > High Speed Interface > High Speed Interface | ||
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| with DeviceManager(verbose=False) as dm: # Create a DeviceManager Object (dm) | ||
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| MSO_scope: MSO5B = dm.add_scope(ADDRESS) # adding a scope object | ||
| MSO_scope.visa_timeout = 5000 # 5000 ms VISA timeout | ||
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| scope = MSO_scope.commands # Aliasing | ||
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| print(scope.idn.query()) # printout scope ID | ||
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| # User input for connecting channel 2 | ||
| input(''' | ||
| ACTION | ||
| Connect probe to Oscilloscope Channel 2 and the Probe Compensation Signal. | ||
| Press Enter to continue.... | ||
| ''') | ||
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| print("Scope Setup, Acquire, Waveform transfer, and plotting....") | ||
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| scope.rst.write() # scope reset | ||
| scope.opc.query() # OPC command | ||
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| scope.display.waveview1.ch[2].state.write("ON") # Turn on ch 2, turn off ch1 | ||
| scope.display.waveview1.ch[1].state.write("OFF") | ||
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| scope.trigger.a.type.write("EDGE") # set edge trigger to ch2 | ||
| scope.trigger.a.edge.source.write("CH2") | ||
| scope.opc.query() | ||
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| scope.autoset.write("EXECUTE") # scope autoset | ||
| scope.opc.query() | ||
| # time.sleep(1) # optional delay | ||
| scope.acquire.state.write("0") # Setup single acquisition | ||
| scope.acquire.stopafter.write("SEQUENCE") | ||
| scope.acquire.state.write("1") # single acquisition | ||
| scope.opc.query() | ||
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| if int(scope.acquire.state.query()) !=1: # Checking that the scope is stopped | ||
| with TekHSIConnect(f"{ADDRESS}:5000") as connection: # Establish a tekhsi connection to the oscilloscope. | ||
| with connection.access_data(): # Begin accessing data from the oscilloscope with connection | ||
| waveform: AnalogWaveform = connection.get_data("ch2") # Retrieve the waveform data for channel 2 from the scope, waveform object | ||
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| hd = waveform.normalized_horizontal_values # Extract the normalized horizontal (time) values from waveform. | ||
| vd = waveform.normalized_vertical_values # Extract the normalized vertical (voltage) values from waveform. | ||
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| # Plotting the waveform data | ||
| _, ax = plt.subplots() # Create a new figure and subplot | ||
| ax.plot(hd, vd) # Plot the waveform | ||
| ax.set(xlabel=waveform.x_axis_units, # plot axes labeling | ||
| ylabel=waveform.y_axis_units, title="Simple Plot") | ||
| plt.show() # Display plot | ||
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| print("End of tm_devices simple plot example") | ||
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Check notice
Code scanning / CodeQL
Unused import Note