/* * Author: Jon Trulson * Copyright (c) 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 "hka5.h" #include "upm_utilities.h" bool shouldRun = true; void sig_handler(int signo) { if (signo == SIGINT) shouldRun = false; } int main() { signal(SIGINT, sig_handler); //! [Interesting] // Instantiate a HKA5 sensor on uart 0. We don't use the set or // reset pins, so we pass -1 for them. hka5_context sensor = hka5_init(0, -1, -1); if (!sensor) { printf("hka5_init() failed.\n"); return 1; } // update once every 2 seconds and output data while (shouldRun) { if (hka5_update(sensor) != UPM_SUCCESS) { printf("hka5_update() failed, exiting.\n"); shouldRun = false; } printf("PM 1 : %d ug/m3\n", hka5_get_pm1(sensor)); printf("PM 2.5: %d ug/m3\n", hka5_get_pm2_5(sensor)); printf("PM 10 : %d ug/m3\n", hka5_get_pm10(sensor)); printf("\n"); upm_delay(2); } //! [Interesting] printf("Exiting\n"); hka5_close(sensor); return 0; }