peripheral/libupm/examples/c++/ds2413.cxx

/*
 * Author: Jon Trulson <jtrulson@ics.com>
 * Copyright (c) 2016 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 <unistd.h>
#include <iostream>
#include <stdio.h>
#include "ds2413.hpp"

using namespace std;
using namespace upm;

int main(int argc, char **argv)
{
//! [Interesting]
  // Instantiate a DS2413 Module on a Dallas 1-wire bus connected to UART 0
  upm::DS2413* sensor = new upm::DS2413(0);

  // find all of the DS2413 devices present on the bus
  sensor->init();

  // how many devices were found?
  cout << "Found "<< sensor->devicesFound() << " device(s)" << endl;

  // read the gpio and latch values from the first device
  // the lower 4 bits are of the form:
  // <gpioB latch> <gpioB value> <gpioA latch> <gpioA value>
  cout << "GPIO device 0 values: " << sensor->readGpios(0) << endl;

  // set the gpio latch values of the first device
  cout << "Setting GPIO latches to on" << endl;
  sensor->writeGpios(0, 0x03);

  cout << "Exiting..." << endl;

  delete sensor;
//! [Interesting]
  return 0;
}