File content as of revision 5:d3c9b33b992c:

/**
 ******************************************************************************
 * @file    TempSensor.h
 * @author  AST / EST
 * @version V0.0.1
 * @date    13-April-2015
 * @brief   This file contains the abstract class describing in general
 *          the interfaces of a temperature sensor
 ******************************************************************************
 * @attention
 *
 * <h2><center>&copy; COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *   1. Redistributions of source code must retain the above copyright notice,
 *      this list of conditions and the following disclaimer.
 *   2. Redistributions in binary form must reproduce the above copyright notice,
 *      this list of conditions and the following disclaimer in the documentation
 *      and/or other materials provided with the distribution.
 *   3. Neither the name of STMicroelectronics nor the names of its contributors
 *      may be used to endorse or promote products derived from this software
 *      without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 ******************************************************************************
 */


/* Define to prevent from recursive inclusion --------------------------------*/

#ifndef __TEMP_SENSOR_CLASS_H
#define __TEMP_SENSOR_CLASS_H


/* Includes ------------------------------------------------------------------*/

#include <Component.h>


/* Classes  ------------------------------------------------------------------*/

/**
 * An abstract class for Temperature sensors
 */
class TempSensor : public Component {
public:

	/**
	 * @brief       Get current temperature in degrees Celsius [°C]
	 * @param[out]  pf_data Pointer to where to store temperature to
	 * @return      0 in case of success, an error code otherwise
	 */
	virtual int get_temperature(float *pf_data) = 0;

	/**
	 * @brief       Get current temperature in degrees Fahrenheit [°F]
	 * @param[out]  pf_data Pointer to where to store temperature to
	 * @return      0 in case of success, an error code otherwise
	 */
	virtual int get_fahrenheit(float *pf_data) {
		float celsius;
		int ret;

		ret = get_temperature(&celsius);
		if (ret) {
			return ret;
		}

		*pf_data = ((celsius * 1.8f) + 32.0f);

		return 0;
	}

    /**
     * @brief Destructor.
     */
	virtual ~TempSensor() {};
};

#endif /* __TEMP_SENSOR_CLASS_H */