72 lines
1.5 KiB
C
72 lines
1.5 KiB
C
#define _GNU_SOURCE
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#include <stdio.h>
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#include <unistd.h>
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#include <math.h>
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#include "lis3dh.h"
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#include "i2c.h"
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double accel_mag(lis3dh_t *lis) {
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double d = 0.0;
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d = sqrt( powf(lis->acc.x, 2) + powf(lis->acc.y, 2) + powf(lis->acc.z, 2));
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return d;
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}
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int main() {
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lis3dh_t lis;
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lis.dev.init = i2c_init;
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lis.dev.read = i2c_read;
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lis.dev.write = i2c_write;
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lis.dev.sleep = usleep;
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lis.dev.deinit = i2c_deinit;
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/* write config after init() */
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if (lis3dh_init(&lis)) {
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puts("init ERR");
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}
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lis.cfg.mode = LIS3DH_MODE_HR;
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lis.cfg.range = LIS3DH_FS_4G;
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lis.cfg.rate = LIS3DH_ODR_25_HZ;
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lis.cfg.fifo.mode = LIS3DH_FIFO_MODE_STREAM;
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//lis.cfg.filter.mode = LIS3DH_FILTER_MODE_AUTORESET;
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lis.cfg.filter.cutoff = LIS3DH_FILTER_CUTOFF_8;
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lis.cfg.filter.fds = 1;
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if (lis3dh_configure(&lis)) {
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puts("configure ERR");
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}
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/*
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for(int i=0; i<100; i++) {
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if (lis3dh_poll(&lis)) {
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puts("poll ERR");
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}
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if (lis3dh_read(&lis)) {
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puts("read ERR");
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}
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printf("x: % 04.04f g, y: % 04.04f g, z: % 04.04f g, mag:% 04.04f\n",
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lis.acc.x, lis.acc.y, lis.acc.z, accel_mag(&lis));
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}
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*/
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/* FIFO test */
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if (lis3dh_poll_fifo(&lis)) {
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puts("poll_fifo ERR");
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}
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if (lis3dh_read_fifo(&lis)) {
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puts("read_fifo ERR");
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}
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if (lis3dh_deinit(&lis)) {
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puts("deinit ERR");
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}
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return 0;
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} |