/* * 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 #include "rotaryencoder.h" #include "upm_utilities.h" int shouldRun = true; void sig_handler(int signo) { if (signo == SIGINT) shouldRun = false; } int main() { signal(SIGINT, sig_handler); //! [Interesting] // Instantiate a Grove Rotary Encoder, using signal pins D2 and D3 rotaryencoder_context sensor = rotaryencoder_init(2, 3); if (!sensor) { printf("rotaryencoder_init() failed.\n"); return 1; } while (shouldRun) { printf("Position: %d\n", rotaryencoder_get_position(sensor)); upm_delay_ms(100); } printf("Exiting...\n"); rotaryencoder_close(sensor); //! [Interesting] return 0; }