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Added interface iButton
Signed-off-by: Stefan Andritoiu <stefan.andritoiu@gmail.com> Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
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include/interfaces/iButton.hpp
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44
include/interfaces/iButton.hpp
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/*
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* Author: Mihai Stefanescu <mihai.stefanescu@rinftech.com>
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* Copyright (c) 2018 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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namespace upm
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{
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/**
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* @brief Interface for Button sensors
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*/
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class iButton
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{
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public:
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virtual ~iButton() {}
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/**
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* Gets the current button press state.
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*
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* @returns Button state
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*/
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virtual bool isPressed() = 0;
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};
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}
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@ -59,6 +59,11 @@ int Button::value()
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return mraa_gpio_read(m_gpio);
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}
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bool Button::isPressed()
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{
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return (bool) Button::value();
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}
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void Button::installISR(mraa::Edge level, void (*isr)(void *), void *arg)
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{
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if (m_isrInstalled)
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@ -28,6 +28,7 @@
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#include <string>
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#include <mraa/gpio.hpp>
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#include <interfaces/iButton.hpp>
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namespace upm {
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@ -54,7 +55,7 @@ namespace upm {
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* @image html button.jpg
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* @snippet button.cxx Interesting
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*/
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class Button{
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class Button : virtual public iButton {
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public:
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/**
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* button constructor
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@ -79,6 +80,13 @@ class Button{
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*/
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int value();
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/**
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* Gets the current button press state.
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*
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* @returns Button state
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*/
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virtual bool isPressed();
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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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@ -58,6 +58,11 @@ int GroveButton::value()
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return mraa_gpio_read(m_gpio);
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}
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bool GroveButton::isPressed()
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{
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return (bool) GroveButton::value();
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}
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void GroveButton::installISR(mraa::Edge level, void (*isr)(void *), void *arg)
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{
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if (m_isrInstalled)
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@ -29,6 +29,7 @@
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#include <string>
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#include <mraa/gpio.hpp>
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#include "grovebase.hpp"
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#include <interfaces/iButton.hpp>
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namespace upm {
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@ -51,7 +52,7 @@ namespace upm {
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* @image html grovebutton.jpg
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* @snippet grove-grovebutton.cxx Interesting
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*/
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class GroveButton: public Grove {
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class GroveButton: public Grove, virtual public iButton {
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public:
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/**
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* Grove button constructor
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@ -76,6 +77,13 @@ class GroveButton: public Grove {
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*/
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int value();
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/**
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* Gets the current button press state.
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*
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* @returns Button state
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*/
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virtual bool isPressed();
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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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@ -25,6 +25,7 @@
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#include <string>
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#include <mraa/gpio.hpp>
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#include <interfaces/iButton.hpp>
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namespace upm {
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/**
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@ -52,7 +53,7 @@ namespace upm {
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* @image html ttp223.jpg
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* @snippet ttp223.cxx Interesting
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*/
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class TTP223 {
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class TTP223 : virtual public iButton {
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public:
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/**
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* TTP223 constructor
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@ -85,7 +86,7 @@ class TTP223 {
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*
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* @return True if touched, false otherwise
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*/
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bool isPressed();
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virtual bool isPressed();
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/**
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* Installs an interrupt service routine (ISR) to be called when
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