cpp_headers: Renamed C++ headers from .h -> .hpp
To make room for UPM C and C++ sensor code to coexist, all UPM
C++ headers have been renamed from h -> hpp. This commit contains
updates to documentation, includes, cmake collateral, examples, and
swig interface files.
* Renamed all cxx/cpp header files which contain the string
'copyright intel' from .h -> .hpp (if not already hpp).
* Replaced all references to .h with .hpp in documentation,
source files, cmake collateral, example code, and swig interface
files.
* Replaced cmake variable module_h with module_hpp.
* Intentionally left upm.h since this file currently does not
contain code (documentation only).
Signed-off-by: Noel Eck <noel.eck@intel.com>
This commit is contained in:
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src/teams/teams.hpp
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174
src/teams/teams.hpp
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/*
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* Author: Jon Trulson <jtrulson@ics.com>
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* Copyright (c) 2016 Intel Corporation.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#pragma once
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#include <string>
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#include <iostream>
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#include <mraa/aio.hpp>
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// Unlikey to be changable
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#define TEAMS_DEFAULT_AREF 5.0
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namespace upm {
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/**
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* @brief Veris TEAMS Temperature Transmitter
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* @defgroup teams libupm-teams
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* @ingroup veris ainput temp
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*/
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/**
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* @library teams
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* @sensor teams
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* @comname Veris TEAMS Temperature Transmitter
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* @type temp
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* @man veris
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* @con ainput
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* @web http://www.veris.com/Item/TEAMS.aspx
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*
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* @brief API for the Veris TEAMS Temperature Transmitter
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*
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* The Veris TEAMS temperature sensor provides it's output via a
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* 4-20ma current loop. The supported temperature range is 10C to
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* 35C.
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*
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* This sensor was developed with a Cooking Hacks (Libelium)
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* 4-channel 4-20ma Arduino interface shield. For this interface,
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* the receiver resistance (rResistor) was specified as 165.0
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* ohms.
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*
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* When using a 4-20ma current loop interface which scales the
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* sensors' values to a 0-5vdc range, you can supply 0.0 as the
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* rResistor value in the constructor (default), and it will act
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* just like a normal analog input.
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*
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* @snippet teams.cxx Interesting
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*/
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class TEAMS {
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public:
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/**
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* TEAMS object constructor
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*
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* @param tPin Analog pin to use for temperature.
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* @param rResistor The receiver resistance in ohms, when using a
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* 4-20ma current loop interface. When specified, this value will
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* be used in computing the current based on the voltage read when
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* scaling the return values. Default is 0.0, for standard
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* scaling based on voltage output rather than current (4-20ma
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* mode).
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* @param aref The analog reference voltage, default 5.0
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*/
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TEAMS(int tPin, float rResistor=0.0, float aref=TEAMS_DEFAULT_AREF);
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/**
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* TEAMS object destructor
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*/
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~TEAMS();
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/**
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* Read current values from the sensor and update internal stored
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* values. This method must be called prior to querying any
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* values, such as temperature.
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*/
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void update();
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/**
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* Get the current temperature. update() must have been called
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* prior to calling this method.
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*
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* @param fahrenheit true to return the temperature in degrees
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* fahrenheit, false to return the temperature in degrees celcius.
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* The default is false (degrees Celcius).
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* @return The last temperature reading in Celcius or Fahrenheit
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*/
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float getTemperature(bool fahrenheit=false);
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/**
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* When using a direct 4-20ma interface (rResistor supplied in the
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* constructor is >0.0), this function will return false when the
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* computed milliamps falls below 4ma, indicating that the sensor
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* is not connected. If rResistor was specified as 0.0 in the
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* constructor, this function will always return true.
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*
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* @return true if the sensor is connected, false otherwise.
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*/
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bool isConnected()
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{
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return m_connected;
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};
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/**
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* When using a direct 4-20ma interface (rResistor supplied in the
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* constructor is >0.0), this function will return the computed
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* milliamps (after the offset has been applied). If rResistor was
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* specified as 0.0 in the constructor, this function will always
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* return 0.0.
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*
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* @return The last measured current in milliamps after any offset
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* has been applied.
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*/
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float getRawMilliamps()
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{
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return m_rawMilliamps;
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};
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/**
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* Specify an offset in milliamps to be applied to the computed
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* current prior to scaling and conversion. This can be used to
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* 'adjust' the computed value. If rResistor was specified as 0.0
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* in the constructor, this function will have no effect.
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*
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* @param offset a positive or negative value that will be applied
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* to the computed current measured.
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*/
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void setOffsetMilliamps(float offset)
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{
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m_offset = offset;
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};
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protected:
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mraa::Aio m_aioTemp;
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private:
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float m_aref;
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float m_rResistor;
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int m_aResTemp;
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// for a 4-20 ma loop
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bool m_connected;
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float m_rawMilliamps;
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// in Celcius
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float m_temperature;
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// in case an offset should be applied to the cumputed current
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float m_offset;
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int average(int samples);
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};
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}
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