53 lines
1.2 KiB
C
53 lines
1.2 KiB
C
|
#define _GNU_SOURCE /* usleep() */
|
||
|
|
#include <unistd.h> /* usleep() */
|
||
|
|
#include <stdio.h>
|
||
|
|
#include "lis3dh.h"
|
||
|
|
#include "i2c.h"
|
||
|
|
|
||
|
|
int main() {
|
||
|
|
|
||
|
|
lis3dh_t lis;
|
||
|
|
|
||
|
|
lis.dev.init = i2c_init;
|
||
|
|
lis.dev.read = i2c_read;
|
||
|
|
lis.dev.write = i2c_write;
|
||
|
|
lis.dev.sleep = usleep;
|
||
|
|
lis.dev.deinit = i2c_deinit;
|
||
|
|
|
||
|
|
/* initialise struct and check device id */
|
||
|
|
if (lis3dh_init(&lis)) {
|
||
|
|
/* error handling */
|
||
|
|
}
|
||
|
|
|
||
|
|
/* reset just in case*/
|
||
|
|
if (lis3dh_reset(&lis)) {
|
||
|
|
/* error handling */
|
||
|
|
}
|
||
|
|
|
||
|
|
lis.cfg.mode = LIS3DH_MODE_LP; /* Low-power mode */
|
||
|
|
lis.cfg.range = LIS3DH_FS_2G;
|
||
|
|
lis.cfg.rate = LIS3DH_ODR_LP_5376_HZ; /* 5 KHz ODR, only available in low-power mode */
|
||
|
|
|
||
|
|
/* write cfg to device */
|
||
|
|
if (lis3dh_configure(&lis)) {
|
||
|
|
/* error handling */
|
||
|
|
}
|
||
|
|
|
||
|
|
for ( ;; ) {
|
||
|
|
|
||
|
|
/* read accelerometer and store results at struct lis.acc */
|
||
|
|
if (lis3dh_read(&lis)) {
|
||
|
|
/* error handling */
|
||
|
|
}
|
||
|
|
|
||
|
|
/* print data .. */
|
||
|
|
printf("x: %4.4d mg, y: %4.4d mg, z: %4.4d mg\n", lis.acc.x, lis.acc.y, lis.acc.z);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* deinitalise device */
|
||
|
|
if (lis3dh_deinit(&lis)) {
|
||
|
|
/* error handling */
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|