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[tapocontrol] 20710-KLAP Protocol PowerCycle Recovery for 1.4.6 firmware#21118

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[tapocontrol] 20710-KLAP Protocol PowerCycle Recovery for 1.4.6 firmware#21118
dghenshaw wants to merge 2 commits into
openhab:mainfrom
dghenshaw:KLAP-Recovery-Branch-2

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@dghenshaw

@dghenshaw dghenshaw commented Jul 6, 2026

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Bugfix to resend RSA discovery key to device if logon permanently fails, e.g. after power-cycle of P110 or P115 with firmware 1.4.6.

(Note it is still necessary to disable & re-enable third-party compatibility in the Tapo-App following a firmware update or new device addition.)
Also: Add port 20004 to discovery port list.
Speed up discovery by using parallel discovery-port scanning rather than sequential scans.
Add tapo device's "tpap-preferred" status to its discoveryResult record.

Link to binding for testing: https://drive.google.com/file/d/1dPvA9KfQF0TzXfud4R5qlkzVHZcxy8DS/view?usp=sharing

Fixes #20710
Signed-off-by: David Henshaw david@henshaws.me

dghenshaw added 2 commits July 6, 2026 15:11
Resend RSA discovery key to device if logon fails, e.g. after power-cycle of P110,P115 with firmware 1.4.6.
Add port 20004 to discovery port list.
Optimise discovery with parallel multi-port scanning
Signed-off-by: David Henshaw <david@henshaws.me>

Update TapoUdpDiscovery.java
Minor change to documentation.
Signed-off-by: David Henshaw <david@henshaws.me>
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[tapocontrol] Tapo P115 stops working after adding additional devices / handshake, login and encryption errors. Firmware 1.4.6 TPAP Protocol?

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