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      1 /*
      2  * Author: Alexander Komarov <alexander.komarov (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 #include "joystick12.h"
     29 #include <stdlib.h>
     30 #include <sys/time.h>
     31 
     32 int is_running = 0;
     33 upm::Joystick12 *sensor = NULL;
     34 
     35 void
     36 sig_handler(int signo)
     37 {
     38     printf("got signal\n");
     39     if (signo == SIGINT) {
     40         is_running = 1;
     41     }
     42 }
     43 
     44 //! [Interesting]
     45 int
     46 main(int argc, char **argv)
     47 {
     48     // Instantiate a joystick on analog pins A0 and A1
     49     sensor = new upm::Joystick12(0,1);
     50     signal(SIGINT, sig_handler);
     51 
     52     // Print the X and Y input values every second
     53     while (!is_running) {
     54         float x = sensor->getXInput();
     55         float y = sensor->getYInput();
     56         std::cout << "Driving X:" << x << ": and Y:" << y << std::endl;
     57         sleep(1);
     58     }
     59 
     60     std::cout << "exiting application" << std::endl;
     61 
     62     delete sensor;
     63 
     64     return 0;
     65 }
     66 //! [Interesting]
     67