upm/examples/c/lis2ds12.c

/*
 * Author: Jon Trulson <jtrulson@ics.com>
 * Copyright (c) 2017 Intel Corporation.
 *
 * The MIT License
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

#include <unistd.h>
#include <stdio.h>
#include <signal.h>

#include "upm_utilities.h"
#include "lis2ds12.h"

bool shouldRun = true;

void sig_handler(int signo)
{
    if (signo == SIGINT)
        shouldRun = false;
}


int main(int argc, char **argv)
{
    signal(SIGINT, sig_handler);
//! [Interesting]

#if defined(CONFIG_BOARD_ARDUINO_101_SSS)
    // ARDUINO_101_SSS (ARC core) must use I2C
    // Instantiate a LIS2DS12 instance using default i2c bus and address
    lis2ds12_context sensor = lis2ds12_init(LIS2DS12_DEFAULT_I2C_BUS,
                                            LIS2DS12_DEFAULT_I2C_ADDR, -1);
#elif defined(CONFIG_BOARD_ARDUINO_101)
    // ARDUINO_101 (Quark core) must use SPI
    // Instantiate a LIS2DS12 instance using default SPI bus and pin 10 as CS
    lis2ds12_context sensor = lis2ds12_init(LIS2DS12_DEFAULT_SPI_BUS,
                                            -1, 10);
#else
    // everything else use I2C by default
    // Instantiate a LIS2DS12 instance using default i2c bus and address
    lis2ds12_context sensor = lis2ds12_init(LIS2DS12_DEFAULT_I2C_BUS,
                                            LIS2DS12_DEFAULT_I2C_ADDR, -1);
#endif

    if (!sensor)
    {
        printf("lis2ds12_init() failed.\n");
        return 1;
    }

    // now output data every 250 milliseconds
    while (shouldRun)
    {
        float x, y, z;

        if (lis2ds12_update(sensor))
        {
            printf("lis2ds12_update() failed\n");
            lis2ds12_close(sensor);
            return 1;
        }

        lis2ds12_get_accelerometer(sensor, &x, &y, &z);
        printf("Acceleration x: %f y: %f z: %f g\n",
               x, y, z);

        printf("Compensation Temperature: %f C\n\n",
               lis2ds12_get_temperature(sensor));

        upm_delay_ms(250);
    }

    printf("Exiting...\n");

    lis2ds12_close(sensor);

//! [Interesting]

    return 0;
}