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This driver implements support for the DFRobot MMA7361 analog accelerometer. It supports 3 axes with a selectable 1.5G and 6G sensitivity. It is not really meant for navigation, but rather for uses such as orientation and freefall detection. Signed-off-by: Jon Trulson <jtrulson@ics.com>
95 lines
2.3 KiB
C++
95 lines
2.3 KiB
C++
/*
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* Author: Jon Trulson <jtrulson@ics.com>
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* Copyright (c) 2016 Intel Corporation.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include <unistd.h>
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#include <signal.h>
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#include <iostream>
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#include "mma7361.hpp"
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using namespace std;
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bool shouldRun = true;
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void sig_handler(int signo)
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{
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if (signo == SIGINT)
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shouldRun = false;
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}
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int main()
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{
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signal(SIGINT, sig_handler);
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//! [Interesting]
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// Instantiate a MMA7361 sensor on analog pins A0 (X), A1 (Y) A2
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// (Z), selftest pin on D2, sleep pin on D3 nd an analog reference
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// value of 5.0. The freefall pin and the range pin are unused
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// (-1).
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upm::MMA7361 *sensor = new upm::MMA7361(0, 1, 2, 2, 3, -1, -1, 5.0);
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// 1.5g (true = 6g)
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sensor->setRange(false);
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// Every 10th of a second, update and print values
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while (shouldRun)
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{
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sensor->update();
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float x, y, z;
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sensor->getAcceleration(&x, &y, &z);
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cout << "Acceleration x = "
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<< x
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<< " y = "
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<< y
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<< "z = "
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<< z
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<< endl;
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sensor->getVolts(&x, &y, &z);
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cout << "Volts x = "
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<< x
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<< " y = "
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<< y
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<< "z = "
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<< z
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<< endl;
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cout << endl;
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usleep(100000);
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}
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//! [Interesting]
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printf("Exiting...\n");
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delete sensor;
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return 0;
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}
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