fix: TBeam 1W ramp fixes

eastmesh-tools/web-heap-check.sh

@@ -22,7 +22,7 @@
 # for the password. Tokens are never written to disk.
 #
 # Example:
-#   REPEATER_PASSWORD=... eastmesh-tools/web-heap-check.sh 10.33.135.208 --stress
+#   REPEATER_PASSWORD=... eastmesh-tools/web-heap-check.sh 192.168.1.50 --stress
 set -euo pipefail
 
 host="${1:-}"

src/helpers/radiolib/CustomSX1262Wrapper.h

@@ -23,6 +23,15 @@ public:
     ((CustomSX1262 *)_radio)->setMaxPayloadMillis(pm.payloadMillis);
   }
 
+#ifdef SX126X_PA_RAMP_TIME
+  void setTxPower(int8_t dbm) override {
+    RadioLibWrapper::setTxPower(dbm);
+    // SX126x::setOutputPower() hardcodes a 200us PA ramp; boards with an
+    // external PA need a longer ramp, so re-apply it after every power change.
+    ((CustomSX1262 *)_radio)->setPaRampTime(SX126X_PA_RAMP_TIME);
+  }
+#endif
+
   bool isReceivingPacket() override {
     return ((CustomSX1262 *)_radio)->isReceiving();
   }

src/helpers/radiolib/RadioLibWrappers.h

@@ -49,7 +49,7 @@ public:
 
   virtual void setParams(float freq, float bw, uint8_t sf, uint8_t cr) = 0;
   uint32_t getRngSeed();
-  void setTxPower(int8_t dbm);
+  virtual void setTxPower(int8_t dbm);
 
   virtual float getCurrentRSSI() =0;
   virtual uint8_t getSpreadingFactor() const { return LORA_SF; }

variants/lilygo_tbeam_1w/platformio.ini

@@ -35,6 +35,10 @@ build_flags =
   ; TX power: 22dBm to SX1262, PA module adds ~10dB for 32dBm total
   -D LORA_TX_POWER=22
 
+  ; External PA needs a longer ramp; keep 800us across setTxPower() calls,
+  ; since SX126x::setOutputPower() would otherwise reset it to 200us
+  -D SX126X_PA_RAMP_TIME=RADIOLIB_SX126X_PA_RAMP_800U
+
   ; Battery - 2S 7.4V LiPo (6.0V min, 8.4V max)
   -D BATT_MIN_MILLIVOLTS=6000
   -D BATT_MAX_MILLIVOLTS=8400