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  ## About
  This is a test application for the BMP180 Pressure and Temperature sensor.
  
  ## Usage
  The application will initialize the BMP180 sensor and display its calibration
  coefficients. Please see section 3.4 of the
  [datasheet](https://www.adafruit.com/datasheets/BST-BMP180-DS000-09.pdf) for
  more information.
  
  After initialization, every 2 seconds, the application:
  * reads the temperature (d°C);
  * reads the pressure (Pa);
  * computes the pressure at sea level based on the TEST_ALTITUDE variable;
  * computes the altitude based on the pressure at sea level calculated above;
  * those values are then printed to STDOUT.