Address PR comments & implement for LR11x0 too

Author: Wessel Nieboer

src/mesh/LR11x0Interface.cpp

@@ -299,6 +299,32 @@ template <typename T> bool LR11x0Interface<T>::isActivelyReceiving()
                            RADIOLIB_LR11X0_IRQ_PREAMBLE_DETECTED);
 }
 
+template <typename T> void LR11x0Interface<T>::resetAGC()
+{
+    // Safety: don't reset mid-packet
+    if (sendingPacket != NULL || (isReceiving && isActivelyReceiving()))
+        return;
+
+    LOG_DEBUG("LR11x0 AGC reset: warm sleep + Calibrate(0x3F)");
+
+    // 1. Warm sleep — powers down the analog frontend, resetting AGC state
+    lora.sleep(true, 0);
+
+    // 2. Wake to RC standby for stable calibration
+    lora.standby(RADIOLIB_LR11X0_STANDBY_RC, true);
+
+    // 3. Calibrate all blocks (PLL, ADC, image, RC oscillators)
+    //    calibrate() is protected on LR11x0, so use raw SPI (same as internal implementation)
+    uint8_t calData = RADIOLIB_LR11X0_CALIBRATE_ALL;
+    module.SPIwriteStream(RADIOLIB_LR11X0_CMD_CALIBRATE, &calData, 1, true, true);
+
+    // 4. Re-apply RX boosted gain mode
+    lora.setRxBoostedGainMode(config.lora.sx126x_rx_boosted_gain);
+
+    // 5. Resume receiving
+    startReceive();
+}
+
 template <typename T> bool LR11x0Interface<T>::sleep()
 {
     // \todo Display actual typename of the adapter, not just `LR11x0`

src/mesh/LR11x0Interface.h

@@ -27,6 +27,8 @@ template <class T> class LR11x0Interface : public RadioLibInterface
 
     bool isIRQPending() override { return lora.getIrqFlags() != 0; }
 
+    void resetAGC() override;
+
   protected:
     /**
      * Specific module instance

src/mesh/SX126xInterface.cpp

@@ -440,7 +440,7 @@ template <typename T> void SX126xInterface<T>::resetAGC()
     if (sendingPacket != NULL || (isReceiving && isActivelyReceiving()))
         return;
 
-    LOG_INFO("SX126x AGC reset: warm sleep + Calibrate(0x7F)");
+    LOG_DEBUG("SX126x AGC reset: warm sleep + Calibrate(0x7F)");
 
     // 1. Warm sleep — powers down the entire analog frontend, resetting AGC state.
     //    A plain standby→startReceive cycle does NOT reset the AGC.
@@ -462,6 +462,12 @@ template <typename T> void SX126xInterface<T>::resetAGC()
         module.hal->yield();
     }
 
+    if (module.hal->digitalRead(module.getGpio())) {
+        LOG_WARN("SX126x AGC reset: calibration did not complete within 50ms");
+        startReceive();
+        return;
+    }
+
     // 5. Re-apply settings that calibration may have reset
 
     // DIO2 as RF switch