message: htu21d: updated function descriptions in header for clarity
diff: /*
  * Author: William Penner <william.penner@intel.com>
  - * Copyright (c) 2014 Intel Corporation.
  + * Copyright (c) 2014-2017 Intel Corporation.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
  @@ -97,18 +97,18 @@ class HTU21D {
  int sampleData(void);
  /**
  - * Gets the current measured humidity [RH]
  + * Gets the current measured humidity [%RH]
  *
  - * @param bSampleData Flag to read sensor
  - * @return The humidity sensor temp in degC
  + * @param bSampleData Flag to sample sensor (default false)
  + * @return Relative humidity in %RH
  */
  float getHumidity(int bSampleData = false);
  /**
  * Gets the humidity cell temperature [degC]
  *
  - * @param bSampleData Flag to read sensor
  - * @return The humidity sensor temp in degC
  + * @param bSampleData Flag to sample sensor (default false)
  + * @return Temperature in degC
  */
  float getTemperature(int bSampleData = false);
  @@ -117,7 +117,8 @@ class HTU21D {
  * calculates the compensated RH using the equation from
  * the datasheet.
  *
  - * @param bSampleData Flag to read sensor
  + * @param bSampleData Flag to sample sensor (default false)
  + * @return Compensated relative humidity in %RH
  */
  float getCompRH(int bSampleData = false);
  @@ -126,7 +127,8 @@ class HTU21D {
  * will calculate the dew point in degreeC based on equation
  * from the datasheet.
  *
  - * @param bSampleData Flag to read sensor
  + * @param bSampleData Flag to sample sensor (default false)
  + * @return Dew point in degC
  */
  float getDewPoint(int bSampleData = false);
  @@ -164,6 +166,7 @@ class HTU21D {
  * Tests the device and verifies it
  * is operating correctly.
  *
  + * @return 0 on success or error code
  */
  int testSensor(void);
  