1 /* 2 * Author: William Penner <william.penner (at) intel.com> 3 * Copyright (c) 2014 Intel Corporation. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining 6 * a copy of this software and associated documentation files (the 7 * "Software"), to deal in the Software without restriction, including 8 * without limitation the rights to use, copy, modify, merge, publish, 9 * distribute, sublicense, and/or sell copies of the Software, and to 10 * permit persons to whom the Software is furnished to do so, subject to 11 * the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be 14 * included in all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 17 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 19 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 20 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 21 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 22 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 23 */ 24 25 #include <unistd.h> 26 #include <iostream> 27 #include <signal.h> 28 29 #include "mpl3115a2.h" 30 31 volatile int doWork = 0; 32 33 upm::MPL3115A2 *sensor = NULL; 34 35 void 36 sig_handler(int signo) 37 { 38 if (signo == SIGINT) { 39 printf("\nCtrl-C received.\n"); 40 doWork = 1; 41 } 42 } 43 44 int 45 main(int argc, char **argv) 46 { 47 // Register signal handler 48 signal(SIGINT, sig_handler); 49 50 //! [Interesting] 51 float pressure = 0.0; 52 float temperature = 0.0; 53 float altitude = 0.0; 54 float sealevel = 0.0; 55 56 sensor = new upm::MPL3115A2(0, MPL3115A2_I2C_ADDRESS); 57 58 sensor->testSensor(); 59 60 while (!doWork) { 61 temperature = sensor->getTemperature(true); 62 pressure = sensor->getPressure(false); 63 altitude = sensor->getAltitude(); 64 sealevel = sensor->getSealevelPressure(); 65 66 std::cout << "pressure value = " << 67 pressure << 68 ", altitude value = " << 69 altitude << 70 ", sealevel value = " << 71 sealevel << 72 ", temperature = " << 73 temperature << std::endl; 74 usleep (500000); 75 } 76 //! [Interesting] 77 78 std::cout << "exiting application" << std::endl; 79 80 delete sensor; 81 82 return 0; 83 } 84