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65 lines
1.5 KiB
C
Executable File
65 lines
1.5 KiB
C
Executable File
/*
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* The MIT License (MIT)
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*
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* Author: Assam Boudjelthia
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* Copyright (c) 2018 Rohm Semiconductor.
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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 "kxtj3.h"
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#define SENSOR_ADDR 0x0f
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#define I2C_BUS 0
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#define SAMPLE_COUNT 10
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bool isStopped = false;
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void signal_int_handler(int signo)
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{
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if (signo == SIGINT)
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isStopped = true;
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}
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void print_acceleration_data(kxtj3_context dev)
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{
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float wait_time = kxtj3_get_acceleration_sampling_period(dev) * SECOND_IN_MICRO_S;
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uint8_t sample_counter = 0;
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float x, y, z;
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while (sample_counter < SAMPLE_COUNT && !isStopped)
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{
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kxtj3_get_acceleration_data(dev, &x, &y, &z);
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printf("%.02f | %.02f | %.02f\n", x, y, z);
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usleep(wait_time);
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sample_counter++;
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}
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}
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int main(int argc, char **argv)
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{
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signal(SIGINT, signal_int_handler);
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printf("Sensor init\n");
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kxtj3_context dev = kxtj3_init(I2C_BUS, SENSOR_ADDR);
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if (!dev)
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{
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printf("kxtj3_init() failed.\n");
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return -1;
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}
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printf("Setting settings:\nODR: 25 Hz\nResolution: High\nAcceleration range: 16g with 14bits");
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kxtj3_sensor_init(dev, KXTJ3_ODR_25, HIGH_RES, KXTJ3_RANGE_16G_14);
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printf("Showing acceleration data:\n");
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print_acceleration_data(dev);
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printf("Closing sensor\n");
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kxtj3_close(dev);
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return 0;
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}
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