Merge pull request #433 from oltaco/HeltecV3-GPS

Heltec v3 GPS support

variants/heltec_v3/platformio.ini

@@ -21,6 +21,10 @@ build_flags =
   -D ENV_INCLUDE_BME280=1
   -D ENV_INCLUDE_INA3221=1
   -D ENV_INCLUDE_INA219=1  
+  -D ENV_INCLUDE_GPS=1
+  -D PIN_GPS_RX=45
+  -D PIN_GPS_TX=46
+  -D PIN_GPS_EN=-1
 build_src_filter = ${esp32_base.build_src_filter}
   +<../variants/heltec_v3>
   +<helpers/sensors>    
@@ -30,7 +34,8 @@ lib_deps =
   adafruit/Adafruit INA3221 Library @ ^1.0.1
   adafruit/Adafruit INA219 @ ^1.2.3
   adafruit/Adafruit AHTX0 @ ^2.0.5
-  adafruit/Adafruit BME280 Library @ ^2.3.0    
+  adafruit/Adafruit BME280 Library @ ^2.3.0
+  stevemarple/MicroNMEA @ ^2.0.6
 
 [env:Heltec_v3_repeater]
 extends = Heltec_lora32_v3

variants/heltec_v3/target.cpp

@@ -14,7 +14,14 @@ WRAPPER_CLASS radio_driver(radio, board);
 
 ESP32RTCClock fallback_clock;
 AutoDiscoverRTCClock rtc_clock(fallback_clock);
-EnvironmentSensorManager sensors;
+
+#if ENV_INCLUDE_GPS
+  #include <helpers/sensors/MicroNMEALocationProvider.h>
+  MicroNMEALocationProvider nmea = MicroNMEALocationProvider(Serial1);
+  EnvironmentSensorManager sensors = EnvironmentSensorManager(nmea);
+#else
+  EnvironmentSensorManager sensors;
+#endif
 
 #ifdef DISPLAY_CLASS
   DISPLAY_CLASS display;