René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"pstim.py has hard dependency on NI-DAQmx hardware driver with no graceful fallback","articleBody":"@pradeeban \nnintan/pstim.py imports [nidaqmx](vscode-file://vscode-app/c:/Users/HP/AppData/Local/Programs/Microsoft%20VS%20Code/591199df40/resources/app/out/vs/code/electron-browser/workbench/workbench.html) at module level and immediately creates a hardware task:\n\n```\nimport nidaqmx\nfrom nidaqmx.constants import AcquisitionType\nfrom nidaqmx.stream_writers import DigitalSingleChannelWriter\n...\ntask = nidaqmx.Task()\ntask.do_channels.add_do_chan(\"Dev1/port0/line0\")\n```\n\n**Issues:**\n\n- The [nidaqmx](vscode-file://vscode-app/c:/Users/HP/AppData/Local/Programs/Microsoft%20VS%20Code/591199df40/resources/app/out/vs/code/electron-browser/workbench/workbench.html) package is not in [requirements.txt](vscode-file://vscode-app/c:/Users/HP/AppData/Local/Programs/Microsoft%20VS%20Code/591199df40/resources/app/out/vs/code/electron-browser/workbench/workbench.html)\n\n- It crashes on any machine without National Instruments hardware/drivers\n\n- The global [uglobal](vscode-file://vscode-app/c:/Users/HP/AppData/Local/Programs/Microsoft%20VS%20Code/591199df40/resources/app/out/vs/code/electron-browser/workbench/workbench.html) variable is modified by the main thread and read by [pwm()](vscode-file://vscode-app/c:/Users/HP/AppData/Local/Programs/Microsoft%20VS%20Code/591199df40/resources/app/out/vs/code/electron-browser/workbench/workbench.html) thread without any thread synchronization (race condition)\n\n- The [pwm()](vscode-file://vscode-app/c:/Users/HP/AppData/Local/Programs/Microsoft%20VS%20Code/591199df40/resources/app/out/vs/code/electron-browser/workbench/workbench.html) thread runs an infinite while True loop with no way to stop it cleanly\n\n- Device name \"Dev1/port0/line0\" is hardcoded — should be configurable via [concore.params](vscode-file://vscode-app/c:/Users/HP/AppData/Local/Programs/Microsoft%20VS%20Code/591199df40/resources/app/out/vs/code/electron-browser/workbench/workbench.html)","author":{"url":"https://github.com/GaneshPatil7517","@type":"Person","name":"GaneshPatil7517"},"datePublished":"2026-02-12T11:49:20.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/291/concore/issues/291"}