upm/examples/c++/lcdks.cxx
Mihai Tudor Panu 89d5de43e0 license: update to SPDX style license text throughout
Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
2020-03-05 15:13:36 -08:00

59 lines
1.2 KiB
C++

/*
* Author: Jon Trulson <jtrulson@ics.com>
* Copyright (c) 2017 Intel Corporation.
*
* The MIT License
*
* 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 <iostream>
#include <signal.h>
#include "lcdks.hpp"
#include "upm_utilities.h"
using namespace std;
bool shouldRun = true;
void
sig_handler(int signo)
{
if (signo == SIGINT)
shouldRun = false;
}
int
main(int argc, char** argv)
{
signal(SIGINT, sig_handler);
//! [Interesting]
// Instantiate a LCDKS (LCD Keypad Shield) using default pins
// NOTE: The default pins do not include support for a gpio
// controlled backlight. If you need one, you will need to specify
// all neccessary pins to the constructor.
upm::LCDKS lcd;
lcd.setCursor(0, 0);
lcd.write("LCDKS driver");
lcd.setCursor(1, 2);
lcd.write("Hello World");
// output current key value every second.
while (shouldRun) {
cout << "Button value: " << lcd.getKeyValue() << endl;
upm_delay(1);
}
//! [Interesting]
return 0;
}