upm  1.3.0
Sensor/Actuator repository for libmraa (v1.7.0)
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hdxxvxta.hpp
1 /*
2  * Author: Jon Trulson <jtrulson@ics.com>
3  * Copyright (c) 2016 Intel Corporation.
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining
6  * a copy of this software and associated documentation files (the
7  * "Software"), to deal in the Software without restriction, including
8  * without limitation the rights to use, copy, modify, merge, publish,
9  * distribute, sublicense, and/or sell copies of the Software, and to
10  * permit persons to whom the Software is furnished to do so, subject to
11  * the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be
14  * included in all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
20  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
21  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
22  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23  */
24 #pragma once
25 
26 #include <string>
27 #include <iostream>
28 
29 #include <mraa/aio.hpp>
30 
31 // Unlikey to be changable without external circuitry (voltage divider)
32 #define HDXXVXTA_DEFAULT_AREF 5.0
33 
34 namespace upm {
74  class HDXXVXTA {
75  public:
76 
77  typedef enum {
78  // *A1 series (-40C-50C)
79  RANGE_MINUS40_50 = 1,
80  // *A2 series (0C-50C)
81  RANGE_0_50 = 2
82  } RANGE_T;
83 
94  HDXXVXTA(int hPin, int tPin, float aref=HDXXVXTA_DEFAULT_AREF);
95 
99  ~HDXXVXTA();
100 
109  void setRange(RANGE_T range=RANGE_MINUS40_50)
110  {
111  m_range = range;
112  };
113 
119  void update();
120 
132  float getTemperature(bool fahrenheit=false);
133 
140  float getHumidity();
141 
142 
143  protected:
144  mraa::Aio m_aioHum;
145 
146  // temperature is an optional feature of the humidity transmitter
147  mraa::Aio *m_aioTemp;
148 
149  private:
150  /* Disable implicit copy and assignment operators */
151  HDXXVXTA(const HDXXVXTA&) = delete;
152  HDXXVXTA &operator=(const HDXXVXTA&) = delete;
153 
154  float m_aref;
155  int m_aResTemp;
156  int m_aResHum;
157 
158  // does this sensor support temperature reporting?
159  bool m_hasTemp;
160 
161  // in Celsius
162  float m_temperature;
163 
164  float m_humidity;
165 
166  RANGE_T m_range;
167  };
168 }
169 
170 
HDXXVXTA(int hPin, int tPin, float aref=HDXXVXTA_DEFAULT_AREF)
Definition: hdxxvxta.cxx:40
void setRange(RANGE_T range=RANGE_MINUS40_50)
Definition: hdxxvxta.hpp:109
float getTemperature(bool fahrenheit=false)
Definition: hdxxvxta.cxx:110
~HDXXVXTA()
Definition: hdxxvxta.cxx:67
API for the Veris HDXXVXTA Humidity Transmitter.
Definition: hdxxvxta.hpp:74
void update()
Definition: hdxxvxta.cxx:73
float getHumidity()
Definition: hdxxvxta.cxx:118