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40 lines
1.1 KiB
C++
40 lines
1.1 KiB
C++
/*
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* Author: Brendan Le Foll <brendan.le.foll@intel.com>
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* Contributions: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
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* Copyright (c) 2014 Intel Corporation.
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*
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* This program and the accompanying materials are made available under the
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* terms of the The MIT License which is available at
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* https://opensource.org/licenses/MIT.
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*
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* SPDX-License-Identifier: MIT
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*/
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#include <stdio.h>
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#include "hmc5883l.hpp"
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#include "upm_utilities.h"
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int
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main(int argc, char** argv)
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{
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//! [Interesting]
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// Instantiate on I2C
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upm::Hmc5883l compass(0);
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compass.set_declination(0.2749); // Set your declination from
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// true north in radians
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// Print out the coordinates, heading, and direction every second
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while (true) {
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compass.update(); // Update the coordinates
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const int16_t* pos = compass.coordinates();
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fprintf(stdout, "coor: %5d %5d %5d ", pos[0], pos[1], pos[2]);
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fprintf(stdout, "heading: %5.2f direction: %3.2f\n", compass.heading(), compass.direction());
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upm_delay(1);
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}
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//! [Interesting]
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return 0;
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}
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