Remove Sensirion library

Author: Eric Berseth

.gitmodules

@@ -25,6 +25,3 @@
 [submodule "lib/model_gauge"]
 	path = lib/model_gauge
 	url = https://github.com/particle-iot/model_gauge.git
-[submodule "lib/sensirion"]
-	path = lib/sensirion
-	url = https://github.com/particle-iot/sensirion.git

lib/sensirion

@@ -153,8 +153,6 @@ void EdgePlatform::init()
         currentLimit_ = Ilim::eILIM_3;
     }
 
-    // Sensirion sensor type is currently not a field in OTP. However, there may be a field in the future.
-    sensirion_ = EdgePlatform::SensirionType::eSENSE_INVALID;
 #endif
 
     // Flag the initialization as complete
@@ -223,10 +221,3 @@ EdgePlatform::FuelGaugeType EdgePlatform::getFuelGaugeType() const
 
     return fg_;
 }
-
-EdgePlatform::SensirionType EdgePlatform::getSensirionType() const
-{
-    CHECK_TRUE(isInitialized_, SensirionType::eSENSE_INVALID);
-
-    return sensirion_;
-}

src/EdgePlatform.cpp

@@ -85,13 +85,6 @@ class EdgePlatform
         eFG_INVALID
     };
 
-    enum class SensirionType
-    {
-        eSHT,
-        eSTS31,
-        eSENSE_INVALID
-    };
-
     /**
      * @brief Return instance of the LocationService
      *
@@ -175,13 +168,6 @@ class EdgePlatform
      */
     FuelGaugeType getFuelGaugeType() const;
 
-    /**
-     * @brief Return Sensirion sensory type
-     *
-     * @return SensirionType
-     */
-    SensirionType getSensirionType() const;
-
 private:
     /**
      * Create a new Tracker Platform object
@@ -200,5 +186,4 @@ class EdgePlatform
     ThermistorType tr_            {ThermistorType::eTR_INVALID};
     WiFiVariant    wifi_          {WiFiVariant::eWIFI_INVALID};
     FuelGaugeType  fg_            {FuelGaugeType::eFG_INVALID};
-    SensirionType  sensirion_     {SensirionType::eSENSE_INVALID};
 };

src/EdgePlatform.h

@@ -16,7 +16,6 @@
 
 #include <atomic>
 #include "EdgePlatform.h"
-#include "Sts3x.h"
 #include "thermistor.h"
 #include "temperature.h"
 #include "tracker_sleep.h"
@@ -87,7 +86,6 @@ enum class TempChargeState {
 
 
 static Thermistor _thermistor;
-static Sts3x _sts(Wire, Sts3x::AddrA, PIN_INVALID);
 static TemperatureCallback _eventCallback = nullptr;
 static unsigned int chargeEvalTick = 0;
 
@@ -97,21 +95,11 @@ void onWake(TrackerSleepContext context) {
 }
 
 float get_temperature() {
-  if (EdgePlatform::instance().getSensirionType() != EdgePlatform::SensirionType::eSENSE_INVALID) {
-    float temp {};
-    _sts.singleMeasurement(temp);
-    return temp;
-  } else {
-    return _thermistor.getTemperature();
-  }
+  return _thermistor.getTemperature();
 }
 
 int temperature_init(pin_t analogPin, TemperatureCallback eventCallback) {
-  if (EdgePlatform::instance().getSensirionType() != EdgePlatform::SensirionType::eSENSE_INVALID) {
-    CHECK_TRUE(_sts.init(), SYSTEM_ERROR_INTERNAL);
-  } else {
-    CHECK(_thermistor.begin(analogPin, _thermistorConfig));
-  }
+  CHECK(_thermistor.begin(analogPin, _thermistorConfig));
 
   static ConfigObject _serviceObject
   (