♻️ Moves peripherals to source file, add sensor base

esp32/include/peripherals/barometer.h

@@ -9,10 +9,35 @@
 #include <Adafruit_BMP085_U.h>
 #include <Adafruit_Sensor.h>
 
+#include <peripherals/sensor.hpp>
+
+struct BarometerMsg : public SensorMessageBase {
+    float pressure {-1};
+    float altitude {-1};
+    float temperature {-1};
+    bool success {false};
+
+    void toJson(JsonVariant v) const override {
+        JsonArray arr = v.to<JsonArray>();
+        arr.add(pressure);
+        arr.add(altitude);
+        arr.add(temperature);
+        arr.add(success);
+    }
+
+    void fromJson(JsonVariantConst v) override {
+        JsonArrayConst arr = v.as<JsonArrayConst>();
+        pressure = arr[0] | -1.0f;
+        altitude = arr[1] | -1.0f;
+        temperature = arr[2] | -1.0f;
+        success = arr[3] | false;
+    }
+
+    friend void toJson(JsonVariant v, BarometerMsg const& a) { a.toJson(v); }
+};
+
 class Barometer {
   public:
-    Barometer() : _bmp(10085) {}
-
     bool initialize() {
         bmp_success = _bmp.begin();
         return bmp_success;
@@ -44,7 +69,7 @@ class Barometer {
     bool active() { return bmp_success; }
 
   private:
-    Adafruit_BMP085_Unified _bmp;
+    Adafruit_BMP085_Unified _bmp {10085};
     bool bmp_success {false};
     float pressure {0};
     float altitude {0};