Handle in/out styled parameters

[virtuald]

From the HAL:

/**
 * Gets the factory scaling offset constant.
 * The offset constant for the channel that was calibrated in manufacturing and
 * stored in an eeprom in the module.
 *
 * Volts = ((LSB_Weight * 1e-9) * raw) - (Offset * 1e-9)
 *
 * @param[in] analogPortHandle Handle to the analog port to use.
 * @param[out] status Error status variable. 0 on success.
 * @return Offset constant.
 */
int32_t HAL_GetAnalogOffset(HAL_AnalogInputHandle analogPortHandle,
                            int32_t* status);