From e79ee118722fc0050c1de0378bb5ac93fc7084e6 Mon Sep 17 00:00:00 2001
From: Frieder Schrempf <frieder@fris.de>
Date: Tue, 16 Dec 2025 20:27:48 +0100
Subject: [PATCH] EnvironmentSensorManager.cpp: Fix RAK4631 serial GPS
 detection

Serial1 is always true. If we want to check for the presence of a GPS
receiver, we need to check if any data was received.

Signed-off-by: Frieder Schrempf <frieder@fris.de>
---
 src/helpers/sensors/EnvironmentSensorManager.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/helpers/sensors/EnvironmentSensorManager.cpp b/src/helpers/sensors/EnvironmentSensorManager.cpp
index 77a791bd..f0bb5654 100644
--- a/src/helpers/sensors/EnvironmentSensorManager.cpp
+++ b/src/helpers/sensors/EnvironmentSensorManager.cpp
@@ -653,8 +653,7 @@ bool EnvironmentSensorManager::gpsIsAwake(uint8_t ioPin){
 
     _location = &RAK12500_provider;
     return true;
-  }
-  else if(Serial1){
+  } else if (Serial1.available()) {
     MESH_DEBUG_PRINTLN("Serial GPS init correctly and is turned on");
     if(PIN_GPS_EN){
       gpsResetPin = PIN_GPS_EN;