TempSensor.h

00001 /**
00002  ******************************************************************************
00003  * @file    TempSensor.h
00004  * @author  AST / EST
00005  * @version V0.0.1
00006  * @date    13-April-2015
00007  * @brief   This file contains the abstract class describing in general
00008  *          the interfaces of a temperature sensor
00009  ******************************************************************************
00010  * @attention
00011  *
00012  * <h2><center>&copy; COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
00013  *
00014  * Redistribution and use in source and binary forms, with or without modification,
00015  * are permitted provided that the following conditions are met:
00016  *   1. Redistributions of source code must retain the above copyright notice,
00017  *      this list of conditions and the following disclaimer.
00018  *   2. Redistributions in binary form must reproduce the above copyright notice,
00019  *      this list of conditions and the following disclaimer in the documentation
00020  *      and/or other materials provided with the distribution.
00021  *   3. Neither the name of STMicroelectronics nor the names of its contributors
00022  *      may be used to endorse or promote products derived from this software
00023  *      without specific prior written permission.
00024  *
00025  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
00026  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00027  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
00028  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
00029  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00030  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
00031  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
00032  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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00034  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00035  *
00036  ******************************************************************************
00037  */
00038 
00039 
00040 /* Define to prevent from recursive inclusion --------------------------------*/
00041 
00042 #ifndef __TEMP_SENSOR_CLASS_H
00043 #define __TEMP_SENSOR_CLASS_H
00044 
00045 
00046 /* Includes ------------------------------------------------------------------*/
00047 
00048 #include <Component.h>
00049 
00050 
00051 /* Classes  ------------------------------------------------------------------*/
00052 
00053 /**
00054  * An abstract class for Temperature sensors
00055  */
00056 class TempSensor : public Component {
00057 public:
00058 
00059     /**
00060      * @brief       Get current temperature in degrees Celsius [°C]
00061      * @param[out]  pf_data Pointer to where to store temperature to
00062      * @return      0 in case of success, an error code otherwise
00063      */
00064     virtual int get_temperature(float *pf_data) = 0;
00065 
00066     /**
00067      * @brief       Get current temperature in degrees Fahrenheit [°F]
00068      * @param[out]  pf_data Pointer to where to store temperature to
00069      * @return      0 in case of success, an error code otherwise
00070      */
00071     virtual int get_fahrenheit(float *pf_data) {
00072         float celsius;
00073         int ret;
00074 
00075         ret = get_temperature(&celsius);
00076         if (ret) {
00077             return ret;
00078         }
00079 
00080         *pf_data = ((celsius * 1.8f) + 32.0f);
00081 
00082         return 0;
00083     }
00084 
00085     /**
00086      * @brief Destructor.
00087      */
00088     virtual ~TempSensor() {};
00089 };
00090 
00091 #endif /* __TEMP_SENSOR_CLASS_H */