SliderResource.h

00001 /**
00002  * @file    SliderResource.h
00003  * @brief   mbed CoAP Endpoint
00004  * @author  Michael Koster
00005  * @version 1.0
00006  * @see
00007  *
00008  * Copyright (c) 2015
00009  *
00010  * Licensed under the Apache License, Version 2.0 (the "License");
00011  * you may not use this file except in compliance with the License.
00012  * You may obtain a copy of the License at
00013  *
00014  *     http://www.apache.org/licenses/LICENSE-2.0
00015  *
00016  * Unless required by applicable law or agreed to in writing, software
00017  * distributed under the License is distributed on an "AS IS" BASIS,
00018  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00019  * See the License for the specific language governing permissions and
00020  * limitations under the License.
00021  */
00022 
00023 #ifndef __SLIDER_RESOURCE_H__
00024 #define __SLIDER_RESOURCE_H__
00025 
00026 // Base class
00027 #include "DynamicResource.h"
00028 
00029 // Slide Potentiometer connected to A0
00030 AnalogIn slider_in(A0);
00031 
00032 /** TemperatureResource class
00033  */
00034 class SliderResource : public DynamicResource
00035 {
00036 public:
00037     /**
00038     Default constructor
00039     @param logger input logger instance for this resource
00040     @param name input the resource name
00041     @param observable input the resource is Observable (default: FALSE)
00042     */
00043     SliderResource(const Logger *logger,const char *name,const bool observable = false) : DynamicResource(logger,name,"Slider", SN_GRS_GET_ALLOWED,observable) {
00044     }
00045 
00046     /**
00047     Get the value of the slide potentiometer
00048     @returns string containing the slider value from 0-1.00
00049     */
00050     virtual string get() {
00051         char slider_pos[7];
00052         memset(slider_pos,0,7);
00053         sprintf(slider_pos,"%3.2f", slider_in.read());
00054         return string(slider_pos);
00055     }
00056 };
00057 
00058 #endif // __SLIDER_RESOURCE_H__