diff --git a/src/helpers/radiolib/RadioLibWrappers.cpp b/src/helpers/radiolib/RadioLibWrappers.cpp index b9c095ac40..f404b62579 100644 --- a/src/helpers/radiolib/RadioLibWrappers.cpp +++ b/src/helpers/radiolib/RadioLibWrappers.cpp @@ -48,6 +48,17 @@ uint32_t RadioLibWrapper::getRngSeed() { } void RadioLibWrapper::setTxPower(int8_t dbm) { +#if defined(USE_LR2021) + // On LR2021, setOutputPower() writes the PA config and TxParams, which are + // standby-only commands. recvRaw() keeps state == STATE_RX after readData on + // this platform ("LR2021 stays in Rx"), so - unlike the SX126x path, which + // falls back to STATE_IDLE and re-arms on the next recvRaw() - nothing calls + // startReceive() again by itself. Writing the PA config while listening could + // therefore leave the receiver down until the next reboot. Drop to standby + // first and let checkRecv() re-arm Rx, as resetAGC() and + // applySideDetectorConfig() already do. + idle(); +#endif _radio->setOutputPower(dbm); }