upm  1.6.0
Sensor/Actuator repository for libmraa (v1.9.0)
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C API for the kxtj3 driver. More...

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 upm
 C++ API for the kxtj3 driver.
 

Macros

#define SECOND_IN_MICRO_S   1000000
 C API for the kxtj3 driver. More...
 

Detailed Description

/*
* The MIT License (MIT)
*
* Author: Assam Boudjelthia
* Copyright (c) 2018 Rohm Semiconductor.
*
* 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 <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;
}
/*
* The MIT License (MIT)
*
* Author: Assam Boudjelthia
* Copyright (c) 2018 Rohm Semiconductor.
*
* 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 <iostream>
#include <iomanip>
#include <unistd.h>
#include <signal.h>
#include "kxtj3.hpp"
#include "upm_utilities.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(upm::KXTJ3 &dev)
{
int sample_counter = SAMPLE_COUNT;
std::vector<float> xyz;
while ((sample_counter-- > 0) && !isStopped)
{
xyz = dev.GetAccelerationVector();
std::cout << std::fixed << std::setprecision(3)
<< xyz[0] << " | " << xyz[1] << " | " << xyz[2] << std::endl;
upm_delay_us(wait_time);
}
}
int main(int argc, char **argv)
{
signal(SIGINT, signal_int_handler);
std::cout << "Sensor init" << std::endl;
upm::KXTJ3 dev(I2C_BUS, SENSOR_ADDR);
std::cout << "Setting settings:\nODR: 25 Hz\nResolution: "
<< "High\nAcceleration range: 16g with 14bits" << std::endl;
dev.SensorInit(KXTJ3_ODR_25, HIGH_RES, KXTJ3_RANGE_16G_14);
std::cout << "Showing acceleration data:" << std::endl;
print_acceleration_data(dev);
std::cout << "Closing sensor" << std::endl;
return 0;
}

Macro Definition Documentation

#define SECOND_IN_MICRO_S   1000000
  • ID: kxtj3
  • Name: tri-axis accelerometer
  • Category: accelerometer
  • Manufacturer: Kionix
  • Connection: i2c
kxtj3.png
Collaboration diagram for libupm-kxtj3: