feat: document unknown touchscreen messages#26
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- add touchscreen CMD 0x05 sample and update protocol documentation for 0x00 payload support - add information about payload 01 00 for cmd 0x12 from the touchscreen. Update PROTOCOL.md and add sample trace.
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marklynch
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Jun 16, 2026
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My touchscreen only ever sends
0x00as the payload for CMD 0x05.I also see
01 00as the payload for CMD 0x12 from the touchscreen.I added notes to PROTOCOL.md and supplied a trace.
For 0x05, I didn't modify the parsing code, so it's still reported as an unknown CMD.
For the 0x12 payload, I did modify the existing parsing code so
01 00is not reported as unexpected.