IlluminanceResource.h

00001 /**
00002  * @file    IlluminanceResource.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 __ILLUMI_RESOURCE_H__
00024 #define __ILLUMI_RESOURCE_H__
00025 
00026 // Base class
00027 #include "DynamicResource.h"
00028 
00029 // Luminance Sensor connected to A0
00030 AnalogIn illumi_in(A0);
00031 
00032 /** LuminanceResource class
00033  */
00034 class IlluminanceResource : 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     IlluminanceResource(const Logger *logger,const char *name,const bool observable = false) : 
00044         DynamicResource(logger,name,"urn:X-ipso:illuminance", SN_GRS_GET_ALLOWED,observable) {
00045     }
00046 
00047     /**
00048     Get the value of the illuminance Sensor
00049     @returns string containing the illuminance value 
00050     */
00051     virtual string get() {
00052         char illumi_str[6];
00053         memset(illumi_str,0,6);
00054         float illumi_read = illumi_in.read();
00055         sprintf(illumi_str,"%6.1f", (illumi_read * 100) );
00056         return string(illumi_str);
00057     }
00058 };
00059 
00060 #endif // __ILLUMI_RESOURCE_H__