upm/examples/c/kx122.c
Antoine W. Campagna 335d20e7fc kx122: Allow setting bus frequency to enable faster operation
The hardcoded frequency of 10kHz was much slower than the capacity of the device

Signed-off-by: Antoine W. Campagna <AntoineW@Campagna.org>
2018-03-28 21:46:20 -04:00

72 lines
2.0 KiB
C

/*
* The MIT License (MIT)
*
* Author: Samuli Rissanen <samuli.rissanen@hotmail.com>
* 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 <stdio.h>
#include <unistd.h>
#include <signal.h>
#include "kx122.h"
#include "upm_utilities.h"
bool shouldRun = true;
void sig_handler(int signo)
{
if(signo == SIGINT){
shouldRun = false;
}
}
int main(int argc, char **argv)
{
signal(SIGINT,sig_handler);
//! [Interesting]
kx122_context sensor = kx122_init(0, -1, 24, 10000);
if (!sensor)
{
printf("kx122_init() failed.\n");
return 1;
}
kx122_sensor_software_reset(sensor);
kx122_device_init(sensor,KX122_ODR_50,HIGH_RES,KX122_RANGE_2G);
float x,y,z;
int wait_time = (kx122_get_sample_period(sensor) * MICRO_S);
if (wait_time < 0) wait_time = 1000;
while(shouldRun){
kx122_get_acceleration_data(sensor,&x,&y,&z);
printf("%.02f | %.02f | %.02f\n",x,y,z);
upm_delay_us(wait_time);
}
kx122_close(sensor);
//! [Interesting]
return 0;
}