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