upm/examples/c++/l3gd20.cxx
Noel Eck e1df8b5bf6 iio_core: Patches for IIO core kernel standard
Applying patches from Kuan Loon Lay.

Signed-off-by: Noel Eck <noel.eck@intel.com>
2016-06-30 14:57:19 -07:00

80 lines
2.3 KiB
C++

/*
* Author: Lay, Kuan Loon <kuan.loon.lay@intel.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 <iostream>
#include <iomanip>
#include <unistd.h>
#include <signal.h>
#include "l3gd20.hpp"
using namespace std;
int shouldRun = true;
upm::L3GD20* gyroscope;
void
sig_handler(int signo)
{
if (signo == SIGINT)
shouldRun = false;
}
void
data_callback(char* data)
{
float x, y, z;
if (gyroscope->extract3Axis(data, &x, &y, &z)) {
cout << fixed << setprecision(1);
cout << x << '\t' << y << '\t' << z << "[rad/sec]" << endl;
}
}
int
main()
{
signal(SIGINT, sig_handler);
//! [Interesting]
// Instantiate a L3GD20 Gyroscope Sensor on iio device 3
gyroscope = new upm::L3GD20(3);
// Available scales are 0.000153(250dps), 0.000305(500dps), and 0.001222(2000dps)
gyroscope->setScale(0.001222);
// Available sampling frequency are 95, 190, 380, and 760
gyroscope->setSamplingFrequency(95.0);
gyroscope->enable3AxisChannel();
gyroscope->installISR(data_callback, NULL);
gyroscope->enableBuffer(16);
while (shouldRun) {
sleep(1);
}
gyroscope->disableBuffer();
//! [Interesting]
cout << "Exiting" << endl;
delete gyroscope;
return 0;
}