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fix agc reset

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Wessel Nieboer 2026-02-19 14:44:25 +01:00 • committed by Wessel Nieboer
parent 06ab9f7f6b
commit f81ec4b14c
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1 changed files with 5 additions and 2 deletions
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7
src/helpers/radiolib/RadioLibWrappers.cpp
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@ -57,8 +57,11 @@ void RadioLibWrapper::resetAGC() {
// make sure we're not mid-receive of packet!
if ((state & STATE_INT_READY) != 0 || isReceivingPacket()) return;
// NOTE: according to higher powers, just issuing RadioLib's startReceive() will reset the AGC.
// revisit this if a better impl is discovered.
// Warm sleep powers down the entire analog frontend (including AGC), forcing a
// fresh gain calibration on the next startReceive(). A plain standby->startReceive
// cycle does NOT reset the AGC — the analog state can persist across STDBY_RC.
// The ~1-2 ms sleep gap is negligible vs the preamble budget (131 ms at SF11/BW250).
_radio->sleep();
state = STATE_IDLE; // trigger a startReceive()
}