/* * Author: Jon Trulson * Copyright (c) 2015 Intel Corporation. * * This program and the accompanying materials are made available under the * terms of the The MIT License which is available at * https://opensource.org/licenses/MIT. * * SPDX-License-Identifier: MIT */ #include #include #include "groveledbar.hpp" #include "upm_utilities.h" 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(8, 9); while (shouldRun) { // count up from green to red for (int i = 0; i <= 10; i++) { bar.setBarLevel(i, true); upm_delay_us(100000); } upm_delay(1); // count down from red to green for (int i = 0; i <= 10; i++) { bar.setBarLevel(i, false); upm_delay_us(100000); } upm_delay(1); } //! [Interesting] cout << "Exiting..." << endl; // turn off the LED's bar.setBarLevel(0); return 0; }