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DHT_U.h (3080B)

      1 /*!
      2  *  @file DHT_U.h
      3  *
      4  *  DHT Temperature & Humidity Unified Sensor Library<Paste>
      5  *
      6  *  Adafruit invests time and resources providing this open source code,
      7  *  please support Adafruit andopen-source hardware by purchasing products
      8  *  from Adafruit!
      9  *
     10  *  Written by Tony DiCola (Adafruit Industries) 2014.
     11  *
     12  *  MIT license, all text above must be included in any redistribution
     13  *
     14  *  Permission is hereby granted, free of charge, to any person obtaining a copy
     15  *  of this software and associated documentation files (the "Software"), to
     16  * deal in the Software without restriction, including without limitation the
     17  * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
     18  * sell copies of the Software, and to permit persons to whom the Software is
     19  *  furnished to do so, subject to the following conditions:
     20  *
     21  *  The above copyright notice and this permission notice shall be included in
     22  * all copies or substantial portions of the Software.
     23  *
     24  *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     25  *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     26  *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
     27  *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     28  *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
     29  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
     30  * IN THE SOFTWARE.
     31  */
     32 
     33 #ifndef DHT_U_H
     34 #define DHT_U_H
     35 
     36 #include <Adafruit_Sensor.h>
     37 #include <DHT.h>
     38 
     39 #define DHT_SENSOR_VERSION 1 /**< Sensor Version */
     40 
     41 /*!
     42  *  @brief  Class that stores state and functions for interacting with
     43  * DHT_Unified.
     44  */
     45 class DHT_Unified {
     46 public:
     47   DHT_Unified(uint8_t pin, uint8_t type, uint8_t count = 6,
     48               int32_t tempSensorId = -1, int32_t humiditySensorId = -1);
     49   void begin();
     50 
     51   /*!
     52    *  @brief  Class that stores state and functions about Temperature
     53    */
     54   class Temperature : public Adafruit_Sensor {
     55   public:
     56     Temperature(DHT_Unified *parent, int32_t id);
     57     bool getEvent(sensors_event_t *event);
     58     void getSensor(sensor_t *sensor);
     59 
     60   private:
     61     DHT_Unified *_parent;
     62     int32_t _id;
     63   };
     64 
     65   /*!
     66    *  @brief  Class that stores state and functions about Humidity
     67    */
     68   class Humidity : public Adafruit_Sensor {
     69   public:
     70     Humidity(DHT_Unified *parent, int32_t id);
     71     bool getEvent(sensors_event_t *event);
     72     void getSensor(sensor_t *sensor);
     73 
     74   private:
     75     DHT_Unified *_parent;
     76     int32_t _id;
     77   };
     78 
     79   /*!
     80    *  @brief  Returns temperature stored in _temp
     81    *  @return Temperature value
     82    */
     83   Temperature temperature() { return _temp; }
     84 
     85   /*!
     86    *  @brief  Returns humidity stored in _humidity
     87    *  @return Humidity value
     88    */
     89   Humidity humidity() { return _humidity; }
     90 
     91 private:
     92   DHT _dht;
     93   uint8_t _type;
     94   Temperature _temp;
     95   Humidity _humidity;
     96 
     97   void setName(sensor_t *sensor);
     98   void setMinDelay(sensor_t *sensor);
     99 };
    100 
    101 #endif