Initial commit: Simple Sensor firmware for Heltec T114 with BME280

- MeshCore-based Simple Sensor firmware
- Heltec T114 without display
- BME280 sensor support (temp/humidity/pressure)
- Radio: 868.856018 MHz, SF7, BW62.5 kHz, CR4/7
- 2-byte path hash
- PlatformIO project

variants/t1000-e/target.h

@@ -0,0 +1,47 @@
+#pragma once
+
+#define RADIOLIB_STATIC_ONLY 1
+#include <RadioLib.h>
+#include <helpers/radiolib/RadioLibWrappers.h>
+#include "T1000eBoard.h"
+#include <helpers/radiolib/CustomLR1110Wrapper.h>
+#include <helpers/ArduinoHelpers.h>
+#include <helpers/SensorManager.h>
+#include <helpers/sensors/LocationProvider.h>
+#ifdef DISPLAY_CLASS
+  #include "NullDisplayDriver.h"
+#endif
+
+class T1000SensorManager: public SensorManager {
+  bool gps_active = false;
+  LocationProvider * _nmea;
+
+  void start_gps();
+  void sleep_gps();
+  void stop_gps();
+public:
+  T1000SensorManager(LocationProvider &nmea): _nmea(&nmea) { }
+  bool begin() override;
+  bool querySensors(uint8_t requester_permissions, CayenneLPP& telemetry) override;
+  void loop() override;
+  int getNumSettings() const override;
+  const char* getSettingName(int i) const override;
+  const char* getSettingValue(int i) const override;
+  bool setSettingValue(const char* name, const char* value) override;
+  LocationProvider* getLocationProvider() { return _nmea; }
+};
+
+#ifdef DISPLAY_CLASS
+  extern NullDisplayDriver display;
+#endif
+
+extern T1000eBoard board;
+extern WRAPPER_CLASS radio_driver;
+extern VolatileRTCClock rtc_clock;
+extern T1000SensorManager sensors;
+
+bool radio_init();
+uint32_t radio_get_rng_seed();
+void radio_set_params(float freq, float bw, uint8_t sf, uint8_t cr);
+void radio_set_tx_power(int8_t dbm);
+mesh::LocalIdentity radio_new_identity();