add91bb47bd1904e07707eb79cbb3c84dca3287d
- Add complete KISS protocol Port 2 command handler supporting all 14 commands: GET/SET_RADIO, GET/SET_FREQUENCY, GET/SET_BANDWIDTH, GET/SET_SF, GET/SET_CR, GET/SET_POWER, GET/SET_SYNCWORD - Commands return RES_OK (0x01) or RES_ERROR (0x02) with appropriate payloads - Responses encoded as KISS frames on Port 2 - All parameters use big-endian encoding per PROJECT.md specification - Preserves syncword when setting other parameters via SET_RADIO Verified: Both seeed_xiao_s3_wio_sx1262 and heltec_v3 build without warnings.
Description
LoRa KISS modem
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