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09e536b4ff
Kionix tri-axis accelerometer sensor driver * C implementation * C++ wrapper * C/C++ examples Signed-off-by: Assam Boudjelthia <assam.boudjelthia@fi.rohmeurope.com> Signed-off-by: Noel Eck <noel.eck@intel.com>
76 lines
2.3 KiB
C
Executable File
76 lines
2.3 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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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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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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