/* * Authors: Abhishek Malik * Copyright (c) 2014 - 2016 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 #include #include #include "button.h" #include "upm_utilities.h" #include "mraa.h" int main() { if (mraa_init() != MRAA_SUCCESS) { perror("Failed to initialize mraa\n"); return -1; } button_context dev = button_init(2); bool abc = 0; while(1){ if(button_get_value(dev, &abc) != UPM_SUCCESS){ printf("an error has occurred\n"); } upm_delay(1); printf("value retrieved: %d\n", abc); } return 0; }