/* * Authors: Brendan Le Foll * Mihai Tudor Panu * Sarah Knepper * Copyright (c) 2014 - 2016 Intel Corporation. * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #pragma once #include #include #include #include "grovebase.hpp" namespace upm { /** * @deprecated This class is being replaced by the upm-light library and the * Light class. * @library grove * @sensor grovelight * @comname Light Sensor * @type light * @man seeed * @con analog * @kit gsk * * @brief API for the Grove Light Sensor * * The Grove light sensor detects the intensity of the ambient light. * As the light intensity of the environment increases, the resistance * of the sensor decreases. This means the raw value from the * analog pin is larger in bright light and smaller in the dark. * An approximate lux value can also be returned. * * @image html grovelight.jpg * @snippet grove-grovelight.cxx Interesting */ class GroveLight: public Grove, virtual public iLight { public: /** * Grove analog light sensor constructor * * @param pin Analog pin to use */ GroveLight(unsigned int pin); /** * GroveLight destructor */ ~GroveLight(); /** * Gets the raw value from the AIO pin * * @return Raw value from the ADC */ float raw_value(); /** * Gets an approximate light value, in lux, from the sensor * * @return Normalized light reading in lux */ int value(); /** * Gets an approximate light value, in lux, from the sensor * * @return Normalized light reading in lux */ virtual float getLuminance(); private: mraa_aio_context m_aio; }; }