upm/examples/c++/at42qt1070.cxx

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/*
* Author: Jon Trulson <jtrulson@ics.com>
* Copyright (c) 2015 Intel Corporation.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <iostream>
#include <signal.h>
#include "at42qt1070.hpp"
#include "upm_utilities.h"
using namespace std;
int shouldRun = true;
void
sig_handler(int signo)
{
if (signo == SIGINT)
shouldRun = false;
}
void
printButtons(upm::AT42QT1070& touch)
{
bool buttonPressed = false;
uint8_t buttons = touch.getButtons();
cout << "Buttons Pressed: ";
for (int i = 0; i < 7; i++) {
if (buttons & (1 << i)) {
cout << i << " ";
buttonPressed = true;
}
}
if (!buttonPressed)
cout << "None";
cout << endl;
if (touch.isCalibrating())
cout << "Calibration is occurring." << endl;
if (touch.isOverflowed())
cout << "Overflow was detected." << endl;
}
int
main(int argc, char** argv)
{
signal(SIGINT, sig_handler);
//! [Interesting]
// Instantiate an AT42QT1070 on I2C bus 0
upm::AT42QT1070 touch(AT42QT1070_I2C_BUS, AT42QT1070_DEFAULT_I2C_ADDR);
while (shouldRun) {
touch.updateState();
printButtons(touch);
upm_delay_us(100000);
}
//! [Interesting]
cout << "Exiting..." << endl;
return 0;
}