[GitHub] [mynewt-nimble] andrzej-kaczmarek commented on pull request #1359: nimble/ll: Add support for custom TX power configuration

[GitBox <gi...@apache.org>]

andrzej-kaczmarek commented on PR #1359:
URL: https://github.com/apache/mynewt-nimble/pull/1359#issuecomment-1252093161

   so I thought it over and I think it should work a bit different:
   - LL should always set TX power instead of relying on FEM to do this
   - we should have API to get PA/LNA gain, LL should call it and then calculate actual TX power or RSSI using that value and also RF path compensation, if set by host
   - optionally we can have syscfg to define constant gain for PA/LNA to have some build time optimizations possible
   
   proposed names for APIs would be ble_ll_fem_(pa|lna)_gain_get()
   syscfg BLE_LL_FEM_(PA|LNA)_GAIN - if set to 0 means LL has to call API to get actual gain, otherwise use that value


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