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922e0cc26b
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>
411 lines
11 KiB
C++
411 lines
11 KiB
C++
/*
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* Author: Brendan Le Foll <brendan.le.foll@intel.com>
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* Contributions: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
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* Contributions: Sarah Knepper <sarah.knepper@intel.com>
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* Copyright (c) 2014 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 <mraa/aio.hpp>
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#include <mraa/gpio.hpp>
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namespace upm {
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/**
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* @brief Generic library for basic Grove sensors
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* @defgroup grove libupm-grove
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* @ingroup seeed gpio pwm ainput button led light relay temp touch gsk eak hak
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*/
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class Grove {
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public:
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virtual ~Grove() {}
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std::string name()
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{
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return m_name;
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}
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protected:
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std::string m_name;
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};
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/**
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* @brief API for the Grove LED
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*
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* UPM module for the Grove LED (or other similar light-emitting diodes).
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* An LED is a small lightbulb that emits light in
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* response to a small current. The longer wire of an LED connects
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* to the positive seat (anode); the shorter wire connects to the
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* negative seat (cathode). The flat side of the bulb corresponds
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* to the cathode, while the rounded side corresponds to the anode.
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*
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* @ingroup grove gpio
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* @snippet groveled.cxx Interesting
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* @snippet groveled-multi.cxx Interesting
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* @image html groveled.jpg
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*/
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class GroveLed: public Grove {
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public:
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/**
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* Grove LED constructor
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*
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* @param gpio Pin to use
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*/
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GroveLed(int pin);
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/**
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* Grove LED destructor
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*/
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~GroveLed();
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/**
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* Turns the LED on or off, depending on the value.
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* If the value is positive (greater than or equal
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* to 1), the LED is turned on. Otherwise, for 0
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* or negative values, the LED is turned off.
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*
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* @param value Tells the LED to turn on (for values >=1)
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* or off (for values <1)
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*
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* @return 0 if successful, non-zero otherwise
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*/
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mraa_result_t write(int value);
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/**
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* Turns the LED off
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*
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* @return 0 if successful, non-zero otherwise
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*/
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mraa_result_t off();
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/**
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* Turns the LED on
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*
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* @return 0 if successful, non-zero otherwise
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*/
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mraa_result_t on();
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private:
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mraa_gpio_context m_gpio;
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};
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/**
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* @brief API for the Grove Relay
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*
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* UPM module for the Grove relay switch. Grove relay is a
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* digital normally-open switch that uses low voltage or current to
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* control a higher voltage and/or higher current. When closed,
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* the indicator LED lights up and current is allowed to flow.
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*
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* @ingroup grove gpio
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* @snippet groverelay.cxx Interesting
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* @image html groverelay.jpg
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*/
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class GroveRelay: public Grove {
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public:
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/**
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* Grove relay constructor
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*
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* @param gpio Pin to use
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*/
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GroveRelay(unsigned int pin);
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/**
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* Grove relay destructor
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*/
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~GroveRelay();
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/**
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* Sets the relay switch to on (closed). This allows current
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* to flow and lights up the indicator LED.
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*
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* @return 0 if successful, non-zero otherwise
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*/
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mraa_result_t on();
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/**
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* Sets the relay switch to off (open). This stops current
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* from flowing and the indicator LED is not lit.
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*
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* @return 0 if successful, non-zero otherwise
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*/
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mraa_result_t off();
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/**
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* Defines whether the relay switch is closed.
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*
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* @return True if the switch is on (closed), false otherwise
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*/
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bool isOn();
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/**
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* Defines whether the relay switch is open.
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*
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* @return True if the switch is off (open), false otherwise
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*/
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bool isOff();
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private:
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mraa_gpio_context m_gpio;
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};
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/**
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* @brief API for the Grove Temperature Sensor
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*
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* Basic UPM module for the Grove temperature sensor on analog
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*
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* @ingroup grove analog
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* @snippet grovetemp.cxx Interesting
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* @image html grovetemp.jpg
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*/
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class GroveTemp: public Grove {
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public:
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/**
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* Grove analog temperature sensor constructor
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*
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* @param pin Analog pin to use
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*/
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GroveTemp(unsigned int pin);
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/**
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* GroveTemp destructor
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*/
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~GroveTemp();
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/**
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* Gets the raw value from the AIO pin
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*
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* @return Raw value from the ADC
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*/
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float raw_value();
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/**
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* Gets the temperature in Celsius from the sensor
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*
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* @return Normalized temperature in Celsius
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*/
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int value();
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private:
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mraa_aio_context m_aio;
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};
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/**
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* @brief API for the Grove Light Sensor
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*
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* The Grove light sensor detects the intensity of the ambient light.
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* As the light intensity of the environment increases, the resistance
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* of the sensor decreases. This means the raw value from the
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* analog pin is greater in bright light and smaller in the dark.
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* An approximate lux value can also be returned.
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*
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* @ingroup grove analog
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* @snippet grovelight.cxx Interesting
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* @image html grovelight.jpg
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*/
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class GroveLight: public Grove {
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public:
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/**
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* Grove analog light sensor constructor
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*
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* @param pin Analog pin to use
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*/
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GroveLight(unsigned int pin);
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/**
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* GroveLight destructor
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*/
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~GroveLight();
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/**
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* Gets the raw value from the AIO pin
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*
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* @return Raw value from the ADC
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*/
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float raw_value();
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/**
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* Gets an approximate light value, in lux, from the sensor
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*
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* @return Normalized light reading in lux
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*/
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int value();
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private:
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mraa_aio_context m_aio;
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};
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/**
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* @brief API for the Grove Rotary Angle Sensor (Knob)
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*
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* Basic UPM module for the Grove rotary angle sensor (knob) on analog. Provides
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* a set of functions to read the absolute pin value, degrees or radians, and another set
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* to do the same relative to the center of the knob range.
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*
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* @ingroup grove analog
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* @snippet groverotary.cxx Interesting
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* @image html groverotary.jpeg
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*/
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class GroveRotary: public Grove {
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public:
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/**
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* Grove rotary angle sensor constructor
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*
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* @param pin Number of the analog pin to use
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*/
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GroveRotary(unsigned int pin);
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/**
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* GroveRotary destructor
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*/
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~GroveRotary();
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/**
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* Gets the absolute raw value from the AIO pin
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*
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* @return Unsigned value from the ADC
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*/
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float abs_value();
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/**
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* Gets absolute raw degrees from the AIO pin
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*
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* @return Unsigned degrees from the ADC
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*/
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float abs_deg();
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/**
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* Gets absolute raw radians from the AIO pin
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*
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* @return Unsigned radians from the ADC
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*/
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float abs_rad();
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/**
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* Gets the relative value from the AIO pin
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*
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* @return Signed value from the ADC
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*/
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float rel_value();
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/**
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* Gets relative degrees from the AIO pin
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*
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* @return Signed degrees from the ADC
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*/
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float rel_deg();
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/**
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* Gets relative radians from the AIO pin
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*
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* @return Signed radians from the ADC
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*/
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float rel_rad();
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private:
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mraa_aio_context m_aio;
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static const int m_max_angle = 300;
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};
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/**
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* @brief API for the Grove Slide Potentiometer
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*
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* Basic UPM module for the Grove slide potentiometer on analog that
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* returns either a raw value or a scaled voltage value.
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*
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* @ingroup grove analog
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* @snippet groveslide.cxx Interesting
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* @image html groveslide.jpeg
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*/
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class GroveSlide: public Grove {
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public:
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/**
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* Grove analog slide potentiometer constructor
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*
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* @param pin Number of the analog pin to use
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*
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* @param ref_voltage Reference voltage the board is set to, as a floating-point value; default is 5.0V
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*/
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GroveSlide(unsigned int pin, float ref_voltage = 5.0);
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/**
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* GroveSlide destructor
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*/
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~GroveSlide();
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/**
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* Gets the raw value from the AIO pin
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*
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* @return Raw value from the ADC
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*/
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float raw_value();
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/**
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* Gets the voltage value from the pin
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*
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* @return Voltage reading based on the reference voltage
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*/
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float voltage_value();
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/**
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* Gets the board's reference voltage passed on object initialization
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*
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* @return Reference voltage the class was set for
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*/
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float ref_voltage();
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private:
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mraa_aio_context m_aio;
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float m_ref_voltage;
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};
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/**
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* @brief API for the Grove Button
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*
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* Basic UPM module for the Grove button
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*
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* @ingroup grove gpio
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* @snippet grovebutton.cxx Interesting
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* @image html grovebutton.jpg
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*/
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class GroveButton: public Grove {
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public:
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/**
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* Grove button constructor
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*
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* @param gpio Pin to use
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*/
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GroveButton(unsigned int pin);
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/**
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* Grove button destructor
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*/
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~GroveButton();
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/**
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* Gets the name of the sensor
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*
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* @return Name of this sensor
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*/
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std::string name();
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/**
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* Gets the value from the GPIO pin
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*
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* @return Value from the GPIO pin
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*/
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int value();
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/**
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* Installs an interrupt service routine (ISR) to be called when
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* the button is activated or deactivated.
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*
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* @param fptr Pointer to a function to be called on interrupt
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* @param arg Pointer to an object to be supplied as an
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* argument to the ISR.
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*/
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#if defined(SWIGJAVA) || defined(JAVACALLBACK)
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void installISR(mraa::Edge level, jobject runnable);
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#else
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void installISR(mraa::Edge level, void (*isr)(void *), void *arg);
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#endif
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/**
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* Uninstalls the previously installed ISR
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*
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*/
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void uninstallISR();
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private:
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#if defined(SWIGJAVA) || defined(JAVACALLBACK)
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void installISR(mraa::Edge level, void (*isr)(void *), void *arg);
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#endif
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bool m_isrInstalled;
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std::string m_name;
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mraa_gpio_context m_gpio;
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};
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}
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