Enable I2C sensors and EnvironmentSensorManager for Heltec T114

variants/heltec_t114/platformio.ini

@@ -6,6 +6,7 @@ extends = nrf52_base
 board = heltec_t114
 board_build.ldscript = boards/nrf52840_s140_v6.ld
 build_flags = ${nrf52_base.build_flags}
+  ${sensor_base.build_flags}
   -I lib/nrf52/s140_nrf52_6.1.1_API/include
   -I lib/nrf52/s140_nrf52_6.1.1_API/include/nrf52
   -I variants/heltec_t114
@@ -35,11 +36,15 @@ build_flags = ${nrf52_base.build_flags}
   -D PIN_GPS_EN=21
   -D PIN_GPS_RESET=38
   -D PIN_GPS_RESET_ACTIVE=LOW
+  -D PIN_BOARD_SDA=16
+  -D PIN_BOARD_SCL=13
 build_src_filter = ${nrf52_base.build_src_filter}
   +<helpers/*.cpp>
+  +<helpers/sensors>
   +<../variants/heltec_t114>
 lib_deps =
   ${nrf52_base.lib_deps}
+  ${sensor_base.lib_deps}
   stevemarple/MicroNMEA @ ^2.0.6
   adafruit/Adafruit GFX Library @ ^1.12.1
 debug_tool = jlink

variants/heltec_t114/target.cpp

@@ -45,26 +45,12 @@ mesh::LocalIdentity radio_new_identity() {
   return mesh::LocalIdentity(&rng);  // create new random identity
 }
 
-void T114SensorManager::start_gps() {
-  if (!gps_active) {
-    gps_active = true;
-    _location->begin();
-  }
-}
-
-void T114SensorManager::stop_gps() {
-  if (gps_active) {
-    gps_active = false;
-    _location->stop();
-  }
-}
-
 bool T114SensorManager::begin() {
   Serial1.begin(9600);
 
   // Try to detect if GPS is physically connected to determine if we should expose the setting
-  pinMode(GPS_EN, OUTPUT);
+  pinMode(PIN_GPS_EN, OUTPUT);
-  digitalWrite(GPS_EN, HIGH);  // Power on GPS
+  digitalWrite(PIN_GPS_EN, HIGH);  // Power on GPS
 
   // Give GPS a moment to power up and send data
   delay(1500);
@@ -77,57 +63,16 @@ bool T114SensorManager::begin() {
   } else {
     MESH_DEBUG_PRINTLN("No GPS detected");
   }
-  digitalWrite(GPS_EN, LOW);  // Power off GPS until the setting is changed
+  digitalWrite(PIN_GPS_EN, LOW);  // Power off GPS until the setting is changed
 
-  return true;
+  return EnvironmentSensorManager::begin();
 }
 
 bool T114SensorManager::querySensors(uint8_t requester_permissions, CayenneLPP& telemetry) {
+  EnvironmentSensorManager::querySensors(requester_permissions, telemetry);
+
   if (requester_permissions & TELEM_PERM_LOCATION) {   // does requester have permission?
     telemetry.addGPS(TELEM_CHANNEL_SELF, node_lat, node_lon, node_altitude);
   }
   return true;
 }
-
-void T114SensorManager::loop() {
-  static long next_gps_update = 0;
-
-  _location->loop();
-
-  if (millis() > next_gps_update) {
-    if (_location->isValid()) {
-      node_lat = ((double)_location->getLatitude())/1000000.;
-      node_lon = ((double)_location->getLongitude())/1000000.;
-      node_altitude = ((double)_location->getAltitude()) / 1000.0;
-      MESH_DEBUG_PRINTLN("lat %f lon %f", node_lat, node_lon);
-    }
-    next_gps_update = millis() + 1000;
-  }
-}
-
-int T114SensorManager::getNumSettings() const {
-  return gps_detected ? 1 : 0;  // only show GPS setting if GPS is detected
-}
-
-const char* T114SensorManager::getSettingName(int i) const {
-  return (gps_detected && i == 0) ? "gps" : NULL;
-}
-
-const char* T114SensorManager::getSettingValue(int i) const {
-  if (gps_detected && i == 0) {
-    return gps_active ? "1" : "0";
-  }
-  return NULL;
-}
-
-bool T114SensorManager::setSettingValue(const char* name, const char* value) {
-  if (gps_detected && strcmp(name, "gps") == 0) {
-    if (strcmp(value, "0") == 0) {
-      stop_gps();
-    } else {
-      start_gps();
-    }
-    return true;
-  }
-  return false;  // not supported
-}

variants/heltec_t114/target.h

@@ -6,7 +6,7 @@
 #include <T114Board.h>
 #include <helpers/radiolib/CustomSX1262Wrapper.h>
 #include <helpers/AutoDiscoverRTCClock.h>
-#include <helpers/SensorManager.h>
+#include <helpers/sensors/EnvironmentSensorManager.h>
 #include <helpers/sensors/LocationProvider.h>
 
 #ifdef DISPLAY_CLASS
@@ -18,23 +18,11 @@
 #endif
 #endif
 
-class T114SensorManager : public SensorManager {
+class T114SensorManager : public EnvironmentSensorManager {
-  bool gps_active = false;
-  bool gps_detected = false;
-  LocationProvider* _location;
-
-  void start_gps();
-  void stop_gps();
 public:
-  T114SensorManager(LocationProvider &location): _location(&location) { }
+  T114SensorManager(LocationProvider &location): EnvironmentSensorManager(location) { }
   bool begin() override;
   bool querySensors(uint8_t requester_permissions, CayenneLPP& telemetry) override;
-  void loop() override;
-  LocationProvider* getLocationProvider() override { return gps_detected ? _location : NULL; }
-  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;
 };
 
 extern T114Board board;