/* * 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 "dfrorp.hpp" #include "upm_utilities.h" using namespace std; bool shouldRun = true; void sig_handler(int signo) { if (signo == SIGINT) shouldRun = false; } int main() { signal(SIGINT, sig_handler); //! [Interesting] // Instantiate a DFRobot ORP sensor on analog pin A0 with an analog // reference voltage of 5.0. upm::DFRORP sensor(0, 5.0); // To calibrate: // // Disconnect the sensor probe (but leave the sensor interface board // connected). Then run one of the examples while holding down the // 'calibrate' button on the device. Read the ORP value reported // (it should be fairly small). // // This value is what you should supply to setCalibrationOffset(). // Then reconnect the probe to the interface board and you should be // ready to go. // // DO NOT press the calibrate button on the interface board while // the probe is attached or you can permanently damage the probe. sensor.setCalibrationOffset(0.97); // Every second, update and print values while (shouldRun) { sensor.update(); cout << "ORP: " << sensor.getORP() << " mV" << endl; cout << endl; upm_delay(1); } //! [Interesting] cout << "Exiting" << endl; return 0; }