nuttx-apps/examples/lsm6dsl_reader/lsm6dsl_reader_main.c

104 lines
3.5 KiB
C

/****************************************************************************
* examples/lsm6dsl_reader/lsm6dsl_reader_main.c
*
* Copyright (C) 2020 Gregory Nutt. All rights reserved.
* Author: Mateusz Szafoni <raiden00@railab.me>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <sys/ioctl.h>
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#include <unistd.h>
#include <debug.h>
#include <nuttx/sensors/lsm6dsl.h>
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* lsm6dsl_reader_main
****************************************************************************/
int main(int argc, FAR char *argv[])
{
FILE *sensor;
struct lsm6dsl_sensor_data_s sensor_data;
int ret;
sensor = fopen("/dev/lsm6dsl0", "r");
if (sensor == NULL)
{
printf("Unable to create file\n");
return -ENOENT;
}
ret = ioctl(fileno(sensor), SNIOC_START, 0);
if (ret < 0)
{
printf("IOCTL SNIOC_START failed %d\n", ret);
}
for (; ; )
{
ret = ioctl(fileno(sensor), SNIOC_LSM6DSLSENSORREAD,
(unsigned long)&sensor_data);
if (ret < 0)
{
printf("IOCTL READ failed %d\n", ret);
}
printf("time:%d x:%d y:%d z:%d m_x:%d m_y:%d m_z:%d temp:%d\n",
sensor_data.timestamp,
sensor_data.x_data,
sensor_data.y_data,
sensor_data.z_data,
sensor_data.g_x_data,
sensor_data.g_y_data,
sensor_data.g_z_data,
sensor_data.temperature);
sleep(2);
}
fclose(sensor);
return EXIT_SUCCESS;
}