/* * Author: Jon Trulson * 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 "groveledbar.hpp" using namespace std; int shouldRun = true; void sig_handler(int signo) { if (signo == SIGINT) shouldRun = false; } int main () { signal(SIGINT, sig_handler); //! [Interesting] // Instantiate a GroveLEDBar, we use D8 for the data, and D9 for the // clock. This was tested with a Grove LED bar. upm::GroveLEDBar* bar = new upm::GroveLEDBar(8, 9); while (shouldRun) { // count up from green to red for (int i=0; i<=10; i++) { bar->setBarLevel(i, true); usleep(100000); } sleep(1); // count down from red to green for (int i=0; i<=10; i++) { bar->setBarLevel(i, false); usleep(100000); } sleep(1); } //! [Interesting] cout << "Exiting..." << endl; // turn off the LED's bar->setBarLevel(0); delete bar; return 0; }