Home | History | Annotate | Download | only in c++
      1 /*
      2  * Author: Jon Trulson <jtrulson (at) ics.com>
      3  * Copyright (c) 2015 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 <signal.h>
     27 #include <iostream>
     28 
     29 #include "sainsmartks.h"
     30 
     31 using namespace std;
     32 
     33 int shouldRun = true;
     34 
     35 void sig_handler(int signo)
     36 {
     37   if (signo == SIGINT)
     38     shouldRun = false;
     39 }
     40 
     41 
     42 int main(int argc, char **argv)
     43 {
     44   signal(SIGINT, sig_handler);
     45 
     46 //! [Interesting]
     47   // use default pins
     48   upm::SAINSMARTKS* lcd = new upm::SAINSMARTKS();
     49   lcd->setCursor(0,0);
     50   lcd->write("Sainsmart KS");
     51   lcd->setCursor(1,2);
     52   lcd->write("Hello World");
     53 
     54   // output current key value every second.
     55    while (shouldRun)
     56      {
     57        cout << "Button value: " << lcd->getRawKeyValue() << endl;
     58        sleep(1);
     59      }
     60 
     61 //! [Interesting]
     62 
     63   delete lcd;
     64 
     65   return 0;
     66 }
     67