/* * Author: Jon Trulson * Copyright (c) 2016 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 "dfrec.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 DFRobot EC sensor on analog pin A0, with a ds18b20 // temperature sensor connected to UART 0, and a device index (for // the ds1820b uart bus) of 0, and an analog reference voltage of // 5.0. dfrec_context sensor = dfrec_init(0, 0, 0, 5.0); if (!sensor) { printf("dfrec_init() failed.\n"); return(1); } // Every 2 seconds, update and print values while (shouldRun) { dfrec_update(sensor); printf("EC = %f ms/cm\n", dfrec_get_ec(sensor)); printf("Volts = %f, Temperature = %f C\n", dfrec_get_volts(sensor), dfrec_get_temperature(sensor)); printf("\n"); upm_delay(2); } //! [Interesting] printf("Exiting...\n"); dfrec_close(sensor); return 0; }