8000 Fix large data transfer using USBTMC by 2xB · Pull Request #490 · pyvisa/pyvisa-py · GitHub
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Fix large data transfer using USBTMC #490

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Merged
merged 2 commits into from
Feb 21, 2025
Merged

Fix large data transfer using USBTMC #490

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e204f6d
Fix large data transfer using USBTMC
2xB Feb 21, 2025
9acb4f4
Minor naming improvement, added change description
2xB Feb 21, 2025
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1 change: 1 addition & 0 deletions CHANGES
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Expand Up @@ -18,6 +18,7 @@ PyVISA-py Changelog
- add support for VI_ATTR_SUPPRESS_END_EN for USB resources PR #449
- support open_timeout for TCPIP hislip resources PR #430
- fix serial flow control configuration PR #483
- Fix large data transfer using USBTMC PR #490

0.7.2 (07/03/2024)
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4 changes: 2 additions & 2 deletions pyvisa_py/protocols/usbtmc.py
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Expand Up @@ -449,9 +449,9 @@ def write(self, data):
self._btag = (self._btag % 255) + 1

eom = end >= size
data = BulkOutMessage.build_array(self._btag, eom, data[begin:end])
chunk = BulkOutMessage.build_array(self._btag, eom, data[begin:end])

bytes_sent += raw_write(data)
bytes_sent += raw_write(chunk)

return size

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