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]
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#!/usr/bin/env python3
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"""
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Test script to verify FastFrame packed transfer hypothesis.
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Tests if all FastFrame records come in a single CURVe? transfer,
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similar to WFMv3 file format.
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"""
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import time
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from tektronix_base import TektronixOscilloscopeBase
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def main():
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"""Test FastFrame packed transfer"""
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scope_ip = "192.168.10.105"
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num_frames = 1000
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target_record_length = 5000
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print(f"Connecting to oscilloscope at {scope_ip}...")
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scope = TektronixOscilloscopeBase(resource_name=scope_ip, timeout=20.0)
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try:
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scope.connect()
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print(f"Connected to {scope.identify()}\n")
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# Configure CH1 for 1MHz square wave ±250mV
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print("Configuring CH1...")
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scope.set_channel_scale(1, 0.1) # 100mV/div
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scope.set_channel_offset(1, 0.0)
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scope.set_channel_coupling(1, 'DC')
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scope.set_channel_termination(1, 50)
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# Configure horizontal for 5000 point record length
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# At 6.25 GS/s: 5000 points / 6.25e9 = 800ns window = 80ns/div
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print("Configuring horizontal for 5000 point record length...")
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scope.set_record_length(target_record_length)
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scope.set_time_scale(80e-9) # 80ns/div = 800ns window at 6.25 GS/s
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# Check actual settings
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actual_record_length = scope.get_record_length()
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actual_time_scale = scope.get_time_scale()
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actual_sample_rate = scope.get_sample_rate()
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print(f" Record length: {actual_record_length}")
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print(f" Time scale: {actual_time_scale*1e9:.0f} ns/div")
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print(f" Sample rate: {actual_sample_rate/1e6:.1f} MS/s")
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# Configure trigger
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print("Configuring trigger...")
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scope.set_trigger_source('CH1')
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scope.set_trigger_level(1, 0.1)
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scope.set_trigger_slope('RISE')
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scope.set_trigger_mode('NORMAL')
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# Configure FastFrame
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print(f"Configuring FastFrame for {num_frames} frames...")
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scope.set_fastframe_state(True)
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scope.set_fastframe_count(num_frames)
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# Check record length AFTER enabling FastFrame
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actual_record_length_ff = scope.get_record_length()
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actual_sample_rate_ff = scope.get_sample_rate()
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print(f" Record length after FastFrame: {actual_record_length_ff}")
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print(f" Sample rate after FastFrame: {actual_sample_rate_ff/1e6:.1f} MS/s")
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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" FastFrame: {'enabled' if ff_state else 'disabled'}, {ff_count} frames\n")
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# Configure waveform transfer
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print("Configuring waveform transfer...")
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scope.set_data_encoding('RIBinary')
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scope.set_wfmoutpre_encoding('BINary')
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scope.set_wfmoutpre_byte_count(1)
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scope.set_wfmoutpre_byte_order('MSB')
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scope.set_data_source('CH1')
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# Acquire data
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print("\nAcquiring FastFrame data...")
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time.sleep(0.5)
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scope.write("ACQuire:STATE RUN")
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# Wait for triggers (no polling - just wait)
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print(" Waiting for triggers...")
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time.sleep(3)
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scope.write("ACQuire:STATE STOP")
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time.sleep(0.5)
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print(" Acquisition stopped\n")
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# Transfer all frames individually
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print(f"\n=== Transferring {num_frames} Frames Individually ===\n")
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all_waveforms = []
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start_time = time.time()
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for frame_num in range(1, num_frames + 1):
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# Progress every 100 frames
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if frame_num == 1 or frame_num % 100 == 0:
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elapsed = time.time() - start_time
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if frame_num > 1:
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rate = frame_num / elapsed
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eta = (num_frames - frame_num) / rate
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print(f" Frame {frame_num}/{num_frames} - {elapsed:.1f}s elapsed - {rate:.1f} fps - ETA {eta:.1f}s")
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else:
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print(f" Frame {frame_num}/{num_frames}...")
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# Select frame and wait for it to take effect
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scope.set_fastframe_selected(frame_num)
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time.sleep(0.01) # Small delay for command processing
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# Transfer curve data
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curve_bytes = scope.transfer_curve()
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waveform = scope.parse_curve_data(curve_bytes, byte_count=1, signed=True, byte_order='MSB')
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all_waveforms.append(waveform)
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end_time = time.time()
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total_time = end_time - start_time
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print(f"\n=== Transfer Complete ===")
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print(f"Frames transferred: {len(all_waveforms)}")
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print(f"Points per frame: {len(all_waveforms[0])}")
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print(f"Total time: {total_time:.2f}s")
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print(f"Rate: {num_frames / total_time:.1f} frames/s")
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print(f"Total data: {sum(len(wf) for wf in all_waveforms)} samples")
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print(f"Throughput: {sum(len(wf) for wf in all_waveforms) / total_time / 1e6:.2f} MS/s")
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# Show statistics for selected frames
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print(f"\n=== Frame Statistics ===")
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for frame_idx in [0, num_frames//2, num_frames-1]:
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wf = all_waveforms[frame_idx]
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print(f"\nFrame {frame_idx + 1}:")
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print(f" Samples: {len(wf)}")
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print(f" Min: {min(wf)}, Max: {max(wf)}, Avg: {sum(wf)/len(wf):.1f}")
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print(f" First 10: {wf[:10]}")
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print("\n=== Test Complete ===")
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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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try:
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scope.set_fastframe_state(False)
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except:
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pass
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scope.disconnect()
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print("\nDisconnected")
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if __name__ == "__main__":
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main()
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