restructured classes to provide sensor interface

src/main.cpp

@@ -1,44 +1,16 @@
 #include <Arduino.h>
-#include <Wire.h>
-#include <Adafruit_BMP280.h>
+#include <sensors/BmpSensor.h>
 
-Adafruit_BMP280 bmp; // use I2C interface
-Adafruit_Sensor *bmp_temp = bmp.getTemperatureSensor();
-Adafruit_Sensor *bmp_pressure = bmp.getPressureSensor();
+#define SLEEP_TIME 2
+
+Sensor *bmpSensor;
 
 void setup() {
-    Serial.begin(112500);
-    while ( !Serial ) delay(100);   // wait for native usb
-
-    unsigned status;
-    status = bmp.begin(0x76); //set the correct I2C port
-
-    //query status and reboot the board if no sensor is detected
-    if (!status) {
-        ESP.restart();
-    }
-
-    /* Default settings from datasheet. */
-    bmp.setSampling(Adafruit_BMP280::MODE_NORMAL,     /* Operating Mode. */
-                    Adafruit_BMP280::SAMPLING_X2,     /* Temp. oversampling */
-                    Adafruit_BMP280::SAMPLING_X16,    /* Pressure oversampling */
-                    Adafruit_BMP280::FILTER_X16,      /* Filtering. */
-                    Adafruit_BMP280::STANDBY_MS_500); /* Standby time. */
-
-    bmp_temp->printSensorDetails();
+    bmpSensor = new BmpSensor();
 }
 
 void loop() {
-    sensors_event_t temp_event, pressure_event;
-    bmp_temp->getEvent(&temp_event);
-    bmp_pressure->getEvent(&pressure_event);
-
-    Serial.print(F("Temperature = "));
-    Serial.print(temp_event.temperature);
-    Serial.print(" *C | ");
-
-    Serial.print(F("Pressure = "));
-    Serial.print(pressure_event.pressure);
-    Serial.println(" hPa");
-    delay(100);
+    bmpSensor->sample();
+    bmpSensor->enableStandbyMode();
+    delay(SLEEP_TIME * 1000);
 }