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Robin Getz
cfeac1dc11
Improve PlutoSDR device identity handling to correctly distinguish
multiple libiio backends (IP, USB, etc.) and provide stable grouping
of physically identical hardware in the UI.
- Append backend prefix to scanned device serials to ensure uniqueness
across multiple discovery paths (e.g. "<serial>_ip", "<serial>_usb").
This prevents collisions when the same device is visible through
different transports.
- Add physical serial extraction and grouping logic so that devices
discovered via multiple backends are treated as a single physical
unit for display purposes. This stabilizes UI numbering and avoids
duplicate entries for the same hardware.
- Update enumOriginDevices() to:
- group devices by physical serial rather than scan index
- assign stable per-device indices independent of backend enumeration
- include backend label in the display name to distinguish connection
paths when multiple backends are active
- Introduce helper utilities:
- createBackendSuffix(): extract backend identifier from libiio URI
- getPhysicalSerial(): strip backend suffix for grouping logic
- getBackendLabel(): format backend suffix for user-facing display
These changes ensure:
- unique internal identifiers per backend connection
- consistent grouping per physical device across discovery mechanisms
- improved UI clarity when multiple access paths exist for the same SDR
No change to RF/data path behavior; this is purely a discovery and
presentation-layer refactor.
Signed-off-by: Robin Getz <rgetz503@gmail.com>