upm/examples/c++/hmc5883l.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

40 lines
1.1 KiB
C++

/*
* Author: Brendan Le Foll <brendan.le.foll@intel.com>
* Contributions: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
* Copyright (c) 2014 Intel Corporation.
*
* 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 <stdio.h>
#include "hmc5883l.hpp"
#include "upm_utilities.h"
int
main(int argc, char** argv)
{
//! [Interesting]
// Instantiate on I2C
upm::Hmc5883l compass(0);
compass.set_declination(0.2749); // Set your declination from
// true north in radians
// Print out the coordinates, heading, and direction every second
while (true) {
compass.update(); // Update the coordinates
const int16_t* pos = compass.coordinates();
fprintf(stdout, "coor: %5d %5d %5d ", pos[0], pos[1], pos[2]);
fprintf(stdout, "heading: %5.2f direction: %3.2f\n", compass.heading(), compass.direction());
upm_delay(1);
}
//! [Interesting]
return 0;
}