upm/examples/c/kxtj3.c
Mihai Tudor Panu 89d5de43e0 license: update to SPDX style license text throughout
Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
2020-03-05 15:13:36 -08:00

65 lines
1.5 KiB
C
Executable File

/*
* The MIT License (MIT)
*
* Author: Assam Boudjelthia
* Copyright (c) 2018 Rohm Semiconductor.
*
* This program and the accompanying materials are made available under the
* terms of the The MIT License which is available at
* https://opensource.org/licenses/MIT.
*
* SPDX-License-Identifier: MIT
*/
#include <unistd.h>
#include <signal.h>
#include "kxtj3.h"
#define SENSOR_ADDR 0x0f
#define I2C_BUS 0
#define SAMPLE_COUNT 10
bool isStopped = false;
void signal_int_handler(int signo)
{
if (signo == SIGINT)
isStopped = true;
}
void print_acceleration_data(kxtj3_context dev)
{
float wait_time = kxtj3_get_acceleration_sampling_period(dev) * SECOND_IN_MICRO_S;
uint8_t sample_counter = 0;
float x, y, z;
while (sample_counter < SAMPLE_COUNT && !isStopped)
{
kxtj3_get_acceleration_data(dev, &x, &y, &z);
printf("%.02f | %.02f | %.02f\n", x, y, z);
usleep(wait_time);
sample_counter++;
}
}
int main(int argc, char **argv)
{
signal(SIGINT, signal_int_handler);
printf("Sensor init\n");
kxtj3_context dev = kxtj3_init(I2C_BUS, SENSOR_ADDR);
if (!dev)
{
printf("kxtj3_init() failed.\n");
return -1;
}
printf("Setting settings:\nODR: 25 Hz\nResolution: High\nAcceleration range: 16g with 14bits");
kxtj3_sensor_init(dev, KXTJ3_ODR_25, HIGH_RES, KXTJ3_RANGE_16G_14);
printf("Showing acceleration data:\n");
print_acceleration_data(dev);
printf("Closing sensor\n");
kxtj3_close(dev);
return 0;
}