Initial commit: merge nuescan, pymso, pybbd202, and pypewpewhops into scanengine-3
- Merged four separate hardware control projects into unified platform - Created unified requirements.txt with all dependencies - Added comprehensive .gitignore - Added project overview README Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
This commit is contained in:
Thomas Ales [M S E]
Executable
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#!/usr/bin/env python3
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"""
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Test script for waveform transfer functionality.
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"""
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from tektronix_base import TektronixOscilloscopeBase
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def main():
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"""Test waveform transfer functions on oscilloscope at 192.168.10.105"""
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scope_ip = "192.168.10.105"
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print(f"Connecting to oscilloscope at {scope_ip}...")
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scope = TektronixOscilloscopeBase(resource_name=scope_ip)
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try:
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# Connect to scope
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scope.connect()
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print(f"Connected to {scope.identify()}\n")
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# Save current settings
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print("Saving current waveform transfer settings...")
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current_data_encoding = scope.get_data_encoding()
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current_data_source = scope.get_data_source()
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current_wfmoutpre_encoding = scope.get_wfmoutpre_encoding()
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current_byte_count = scope.get_wfmoutpre_byte_count()
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current_byte_order = scope.get_wfmoutpre_byte_order()
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print(f" Current data encoding: {current_data_encoding}")
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print(f" Current data source: {current_data_source}")
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print(f" Current WFMOutpre encoding: {current_wfmoutpre_encoding}")
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print(f" Current byte count: {current_byte_count}")
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print(f" Current byte order: {current_byte_order}\n")
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# Test setting data encoding
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print("Testing data encoding settings:")
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test_encodings = ['ASCIi', 'RIBinary', 'RPBinary']
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for encoding in test_encodings:
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print(f" Setting data encoding to {encoding}...")
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scope.set_data_encoding(encoding)
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actual = scope.get_data_encoding()
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print(f" Actual encoding: {actual}")
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# Test setting data source
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print("\nTesting data source selection:")
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for source in ['CH1', 'CH2', 'CH3', 'CH4']:
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print(f" Setting data source to {source}...")
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scope.set_data_source(source)
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actual = scope.get_data_source()
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print(f" Actual source: {actual}")
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# Test with integer source
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print("\nTesting data source with integer (2)...")
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scope.set_data_source(2)
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actual = scope.get_data_source()
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print(f" Actual source: {actual}")
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# Test waveform preamble encoding
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print("\nTesting waveform preamble encoding:")
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for encoding in ['BINary', 'ASCii']:
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print(f" Setting WFMOutpre encoding to {encoding}...")
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scope.set_wfmoutpre_encoding(encoding)
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actual = scope.get_wfmoutpre_encoding()
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print(f" Actual encoding: {actual}")
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# Test byte count
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print("\nTesting byte count settings:")
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for byte_count in [1, 2]:
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print(f" Setting byte count to {byte_count}...")
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scope.set_wfmoutpre_byte_count(byte_count)
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actual = scope.get_wfmoutpre_byte_count()
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print(f" Actual byte count: {actual}")
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# Test byte order
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print("\nTesting byte order settings:")
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for byte_order in ['MSB', 'LSB']:
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print(f" Setting byte order to {byte_order}...")
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scope.set_wfmoutpre_byte_order(byte_order)
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actual = scope.get_wfmoutpre_byte_order()
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print(f" Actual byte order: {actual}")
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# Query complete waveform preamble
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print("\nQuerying complete waveform preamble...")
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preamble = scope.query_wfmoutpre()
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print(f" Preamble (first 100 chars): {preamble[:100]}...")
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# Set up for binary waveform acquisition
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print("\nConfiguring for binary waveform transfer:")
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print(" Setting data encoding to RIBinary...")
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scope.set_data_encoding('RIBinary')
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print(" Setting WFMOutpre encoding to BINary...")
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scope.set_wfmoutpre_encoding('BINary')
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print(" Setting byte count to 1...")
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scope.set_wfmoutpre_byte_count(1)
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print(" Setting byte order to MSB...")
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scope.set_wfmoutpre_byte_order('MSB')
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print(" Setting data source to CH1...")
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scope.set_data_source('CH1')
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print(" Configuration complete")
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# Transfer curve data
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print("\nTransferring curve data from CH1...")
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curve_data = scope.transfer_curve()
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print(f" Received {len(curve_data)} bytes of curve data")
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print(f" First 10 bytes (raw): {list(curve_data[:10])}")
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# Parse the curve data
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print("\nParsing curve data...")
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values = scope.parse_curve_data(curve_data, byte_count=1, signed=True, byte_order='MSB')
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print(f" Parsed {len(values)} samples")
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print(f" First 10 values: {values[:10]}")
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print(f" Min value: {min(values)}")
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print(f" Max value: {max(values)}")
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print(f" Average value: {sum(values) / len(values):.2f}")
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# Transfer complete waveform (preamble + curve)
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print("\nTransferring complete waveform (WAVFrm?)...")
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preamble_str, curve_bytes = scope.transfer_waveform()
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print(f" Received preamble: {preamble_str[:100]}...")
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print(f" Received {len(curve_bytes)} bytes of curve data")
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# Parse this curve data too
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waveform_values = scope.parse_curve_data(curve_bytes, byte_count=1, signed=True, byte_order='MSB')
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print(f" Parsed {len(waveform_values)} samples from complete waveform")
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# Test high-level acquire_waveform method
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print("\nTesting high-level acquire_waveform method:")
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print(" Acquiring waveform from CH1...")
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waveform = scope.acquire_waveform('CH1')
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print(f" Acquired {len(waveform)} samples")
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print(f" First 10 values: {waveform[:10]}")
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print(f" Min: {min(waveform)}, Max: {max(waveform)}, Avg: {sum(waveform)/len(waveform):.2f}")
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print("\n Acquiring waveform from CH2 (using integer)...")
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try:
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waveform2 = scope.acquire_waveform(2)
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print(f" Acquired {len(waveform2)} samples from CH2")
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print(f" First 10 values: {waveform2[:10]}")
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except Exception as e:
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print(f" Could not acquire from CH2 (channel may not be active): {e}")
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# Test FastFrame support
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print("\nTesting FastFrame frame selection:")
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# Check if FastFrame is currently enabled
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try:
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ff_state = scope.get_fastframe_state()
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ff_count = scope.get_fastframe_count()
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print(f" Current FastFrame state: {ff_state} ({'active' if ff_state else 'off'})")
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print(f" Current frame count: {ff_count}")
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except Exception as e:
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print(f" Could not query FastFrame state (skipping FastFrame tests): {e}")
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ff_state = None
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if ff_state is not None and ff_state:
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# FastFrame is active, test frame selection
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print(" FastFrame is active, testing frame selection...")
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current_frame = scope.get_fastframe_selected()
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print(f" Current selected frame: {current_frame}")
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# Try selecting different frames
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for frame in [1, min(5, ff_count), ff_count]:
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print(f" Selecting frame {frame}...")
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scope.set_fastframe_selected(frame)
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actual = scope.get_fastframe_selected()
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print(f" Selected frame: {actual}")
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# Acquire waveform from this frame
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print(f" Acquiring waveform from frame {frame}...")
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frame_waveform = scope.acquire_waveform('CH1', frame_number=frame)
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print(f" Acquired {len(frame_waveform)} samples")
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print(f" First 5 values: {frame_waveform[:5]}")
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# Restore original frame
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scope.set_fastframe_selected(current_frame)
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elif ff_state is not None:
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print(" FastFrame is not active, enabling it temporarily...")
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scope.set_fastframe_state(True)
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scope.set_fastframe_count(10)
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print(" FastFrame enabled with 10 frames")
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# Test frame selection
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for frame in [1, 5, 10]:
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print(f" Selecting frame {frame}...")
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scope.set_fastframe_selected(frame)
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actual = scope.get_fastframe_selected()
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print(f" Selected frame: {actual}")
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# Restore FastFrame state
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scope.set_fastframe_state(False)
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print(" FastFrame disabled (restored)")
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# Restore original settings
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print("\nRestoring original waveform transfer settings...")
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try:
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scope.set_data_encoding(current_data_encoding)
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scope.set_data_source(current_data_source)
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scope.set_wfmoutpre_encoding(current_wfmoutpre_encoding)
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scope.set_wfmoutpre_byte_count(current_byte_count)
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scope.set_wfmoutpre_byte_order(current_byte_order)
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print(" Settings restored")
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except Exception as e:
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print(f" Could not restore settings (connection may be in bad state): {e}")
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# Test error handling
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print("\n=== Testing Error Handling ===\n")
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# Skip error handling tests if connection is already bad
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try:
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# Quick connectivity check
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scope.query("*OPC?")
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except Exception:
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print("Connection appears to be in bad state, skipping error handling tests\n")
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print("=== Waveform transfer tests completed (with some skipped due to connection issues) ===")
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return
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print("Testing invalid data encoding (should raise ValueError)...")
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try:
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scope.set_data_encoding('INVALID')
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print(" ERROR: Should have raised ValueError!")
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except ValueError as e:
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print(f" Correctly raised ValueError: {e}")
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print("\nTesting invalid data source (should raise ValueError)...")
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try:
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scope.set_data_source('CH5')
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print(" ERROR: Should have raised ValueError!")
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except ValueError as e:
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print(f" Correctly raised ValueError: {e}")
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print("\nTesting invalid byte count (should raise ValueError)...")
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try:
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scope.set_wfmoutpre_byte_count(3)
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print(" ERROR: Should have raised ValueError!")
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except ValueError as e:
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print(f" Correctly raised ValueError: {e}")
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print("\nTesting invalid byte order (should raise ValueError)...")
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try:
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scope.set_wfmoutpre_byte_order('INVALID')
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print(" ERROR: Should have raised ValueError!")
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except ValueError as e:
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print(f" Correctly raised ValueError: {e}")
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print("\nTesting invalid FastFrame frame number (should raise ValueError)...")
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try:
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scope.set_fastframe_selected(-1)
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print(" ERROR: Should have raised ValueError!")
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except ValueError as e:
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print(f" Correctly raised ValueError: {e}")
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print("\nTesting invalid channel in acquire_waveform (should raise ValueError)...")
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try:
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scope.acquire_waveform(5)
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print(" ERROR: Should have raised ValueError!")
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except ValueError as e:
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print(f" Correctly raised ValueError: {e}")
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print("\n=== All waveform transfer tests completed successfully! ===")
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except Exception as e:
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print(f"\nError: {type(e).__name__}: {e}")
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import traceback
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traceback.print_exc()
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finally:
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if scope.is_connected:
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scope.disconnect()
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print("\nDisconnected from oscilloscope")
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if __name__ == "__main__":
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main()
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