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71 lines
1.4 KiB
C
71 lines
1.4 KiB
C
/*
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* Author: Jon Trulson <jtrulson@ics.com>
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* Copyright (c) 2015 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 <stdlib.h>
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#include <stdio.h>
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#include <signal.h>
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#include "upm_utilities.h"
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#include "mma7660.h"
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int 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(int argc, char **argv)
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{
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signal(SIGINT, sig_handler);
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//! [Interesting]
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// Instantiate an MMA7660 on I2C bus 0
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mma7660_context accel = mma7660_init(MMA7660_DEFAULT_I2C_BUS,
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MMA7660_DEFAULT_I2C_ADDR);
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if (!accel)
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{
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printf("mma7660_init() failed\n");
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return 1;
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}
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// place device in standby mode so we can write registers
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mma7660_set_mode_standby(accel);
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// enable 64 samples per second
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mma7660_set_sample_rate(accel, MMA7660_AUTOSLEEP_64);
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// place device into active mode
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mma7660_set_mode_active(accel);
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while (shouldRun)
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{
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float ax, ay, az;
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mma7660_get_acceleration(accel, &ax, &ay, &az);
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printf("Acceleration: x = %f y = %f z = %f\n\n",
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ax, ay, az);
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upm_delay_ms(500);
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}
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printf("Exiting...\n");
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mma7660_close(accel);
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//! [Interesting]
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return 0;
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}
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