/* * Author: Henry Bruce * Copyright (c) 2015 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. */ #include #include #include #include "bme280.hpp" #include "iHumiditySensor.hpp" #include "mraa/common.h" #include "si7005.hpp" #include "upm_utilities.h" #define EDISON_I2C_BUS 1 #define FT4222_I2C_BUS 0 #define EDISON_GPIO_SI7005_CS 20 //! [Interesting] // Simple example of using ILightSensor to determine // which sensor is present and return its name. // ILightSensor is then used to get readings from sensor upm::IHumiditySensor* getHumiditySensor() { upm::IHumiditySensor* humiditySensor = NULL; try { humiditySensor = new upm::BME280(mraa_get_sub_platform_id(FT4222_I2C_BUS)); return humiditySensor; } catch (std::exception& e) { std::cerr << "BME280: " << e.what() << std::endl; } try { humiditySensor = new upm::SI7005(EDISON_I2C_BUS, EDISON_GPIO_SI7005_CS); return humiditySensor; } catch (std::exception& e) { std::cerr << "SI7005: " << e.what() << std::endl; } return humiditySensor; } int main() { upm::IHumiditySensor* humiditySensor = getHumiditySensor(); if (humiditySensor == NULL) { std::cout << "Humidity sensor not detected" << std::endl; return 1; } std::cout << "Humidity sensor " << humiditySensor->getModuleName() << " detected" << std::endl; while (true) { try { int value = humiditySensor->getHumidityRelative(); std::cout << "Humidity = " << value << "%" << std::endl; } catch (std::exception& e) { std::cerr << e.what() << std::endl; } upm_delay(1); } delete humiditySensor; return 0; } //! [Interesting]