Add tx_power to userprefs (#10889)

src/mesh/Channels.cpp

@@ -87,6 +87,9 @@ void Channels::initDefaultLoraConfig()
     loraConfig.tx_power = 0; // default
     loraConfig.channel_num = 0;
 
+#ifdef USERPREFS_LORACONFIG_TX_POWER
+    loraConfig.tx_power = USERPREFS_LORACONFIG_TX_POWER;
+#endif
 #ifdef USERPREFS_LORACONFIG_MODEM_PRESET
     loraConfig.modem_preset = USERPREFS_LORACONFIG_MODEM_PRESET;
 #endif

src/mesh/NodeDB.cpp

@@ -914,6 +914,10 @@ void NodeDB::installDefaultConfig(bool preserveKey = false)
     config.lora.region = meshtastic_Config_LoRaConfig_RegionCode_UNSET;
 #endif
 
+#ifdef USERPREFS_LORACONFIG_TX_POWER
+    config.lora.tx_power = USERPREFS_LORACONFIG_TX_POWER;
+#endif
+
 #ifdef USERPREFS_LORACONFIG_MODEM_PRESET
     config.lora.modem_preset = USERPREFS_LORACONFIG_MODEM_PRESET;
 #else

userPrefs.jsonc

@@ -38,6 +38,7 @@
   // "USERPREFS_CONFIG_ENV_TELEM_UPDATE_INTERVAL": "900",     // Environment telemetry update interval in seconds
   // "USERPREFS_CONFIG_ENVIRONMENT_MEASUREMENT_ENABLED": "1", // Force BMP280/sensor reads + LoRa broadcast on first boot
   // "USERPREFS_LORACONFIG_CHANNEL_NUM": "31",
+  // "USERPREFS_LORACONFIG_TX_POWER": "0",
   // "USERPREFS_LORACONFIG_MODEM_PRESET": "meshtastic_Config_LoRaConfig_ModemPreset_SHORT_FAST",
   // "USERPREFS_USE_ADMIN_KEY_0": "{ 0xcd, 0xc0, 0xb4, 0x3c, 0x53, 0x24, 0xdf, 0x13, 0xca, 0x5a, 0xa6, 0x0c, 0x0d, 0xec, 0x85, 0x5a, 0x4c, 0xf6, 0x1a, 0x96, 0x04, 0x1a, 0x3e, 0xfc, 0xbb, 0x8e, 0x33, 0x71, 0xe5, 0xfc, 0xff, 0x3c }",
   // "USERPREFS_USE_ADMIN_KEY_1": "{}",