/* * Author: Henry Bruce * Copyright (c) 2014 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 "mraa-utils.hpp" #include "mraa/gpio.hpp" #define UPM_THROW(msg) throw std::runtime_error(std::string(__FUNCTION__) + ": " + (msg)) void MraaUtils::setGpio(int pin, int level) { mraa::Gpio gpio(pin); gpio.dir(mraa::DIR_OUT); if (gpio.write(level) != mraa::SUCCESS) throw std::runtime_error(std::string(__FUNCTION__) + " : gpio write failed"); } int MraaUtils::getGpio(int pin) { mraa::Gpio gpio(pin); gpio.dir(mraa::DIR_IN); return gpio.read(); }