STM32G474 DMAMUX Overruns: Why a Clear Flag Can Hide a Lost Trigger
Can a G474 request-generator pipeline lose a trigger without leaving an overrun flag, and how should timing and concurrent channels be constrained?
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STM32G474 USB-C Cold Start: Preserve Dead-Battery Detection Until UCPD Takes Over
Why does a G474 USB-C sink fail to power up from an unpowered state, or detach when firmware takes over the CC pins?
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STM32WB FUS Binary Selection: Identify the Installed Service Before Choosing the Upgrade File
Which FUS binary matches the actual installed service version and WB device, when the factory inventory contains different starting states?
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Ignition OPC UA Modbus Reads: Diagnose Requests That Cross Register Gaps
Compare the actual optimized Modbus read span with the device map before changing OPC UA subscription settings.
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TwinCAT OPC UA Symbol Exposure: Audit Filtered Import and Pragma Inheritance Together
Review PLC attribute inheritance, actual symbol artifact and filtered-import capability before accepting the exported OPC UA interface.
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OPC UA SCADA Acknowledgement: Bind the Action to the Reported Event State
Retain the selected event-state identity from an operator dialog through acknowledgement or confirmation.
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OPC UA SCADA Alarm Refresh: Remove Stale Conditions Only After Refresh Completes
Reconcile retained SCADA alarm state using refresh start/end boundaries, preserving branch identity and live updates.
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ModScan32 Polling: Count Documents, Not Windows, When Isolating Traffic
Inventory polling documents and separate views, aggregate counters and excluded custom-message paths.
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Industrial MQTT Integration: Decide Whether Sparkplug Supplies the Missing Data Contract
Assess whether Sparkplug supplies the namespace, metric and state contract required between an industrial MQTT gateway and host.
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Industrial IoT Data Collection: A Read-Only Application Is Not a Network Boundary
Review industrial gateway interfaces, management paths and enforceable boundaries instead of treating a read-only collector as network isolation.
