Merge pull request #1035 from liquidraver/devt114

Add Heltec T114 GPS + timesync

Author: ripplebiz

variants/heltec_t114/platformio.ini

@@ -29,6 +29,11 @@ build_flags = ${nrf52_base.build_flags}
   -D SX126X_RX_BOOSTED_GAIN=1
   -D DISPLAY_CLASS=NullDisplayDriver
   -D ST7789
+  -D PIN_GPS_RX=39
+  -D PIN_GPS_TX=37
+  -D PIN_GPS_EN=21
+  -D PIN_GPS_RESET=38
+  -D PIN_GPS_RESET_ACTIVE=LOW
 build_src_filter = ${nrf52_base.build_src_filter}
   +<helpers/*.cpp>
   +<../variants/heltec_t114>

variants/heltec_t114/target.cpp

@@ -11,7 +11,7 @@ WRAPPER_CLASS radio_driver(radio, board);
 
 VolatileRTCClock fallback_clock;
 AutoDiscoverRTCClock rtc_clock(fallback_clock);
-MicroNMEALocationProvider nmea = MicroNMEALocationProvider(Serial1);
+MicroNMEALocationProvider nmea = MicroNMEALocationProvider(Serial1, &rtc_clock);
 T114SensorManager sensors = T114SensorManager(nmea);
 
 #ifdef DISPLAY_CLASS

variants/heltec_t114/variant.h

@@ -117,6 +117,8 @@
 
 #define GPS_EN                  (21)
 #define GPS_RESET               (38)
+#define PIN_GPS_RX              (39)  // This is for bits going TOWARDS the GPS
+#define PIN_GPS_TX              (37)  // This is for bits going TOWARDS the CPU
 
 ////////////////////////////////////////////////////////////////////////////////
 // TFT