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74 lines
1.5 KiB
C
74 lines
1.5 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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* 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 <unistd.h>
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#include <signal.h>
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#include "mma7361.h"
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#include "upm_utilities.h"
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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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mma7361_context sensor = mma7361_init(0, 1, 2, 2, 3, -1, -1, 5.0);
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if (!sensor)
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{
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printf("mma7361_init() failed.\n");
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return(1);
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}
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// 1.5g (true = 6g)
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mma7361_set_range(sensor, 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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mma7361_update(sensor);
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float x, y, z;
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mma7361_get_acceleration(sensor, &x, &y, &z);
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printf("Acceleration x = %f y = %f z = %f\n",
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x, y, z);
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mma7361_get_volts(sensor, &x, &y, &z);
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printf("Volts x = %f y = %f z = %f\n\n",
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x, y, z);
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upm_delay_ms(500);
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}
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//! [Interesting]
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printf("Exiting...\n");
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mma7361_close(sensor);
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return 0;
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}
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