54 lines
1.0 KiB
C
54 lines
1.0 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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if (!lis3dh_init(&lis)) {
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puts("init OK");
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}
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lis.cfg.mode = LIS3DH_MODE_NORMAL;
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lis.cfg.range = LIS3DH_FS_2G;
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lis.cfg.rate = LIS3DH_ODR_100_HZ;
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if (!lis3dh_configure(&lis)) {
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puts("configure OK");
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}
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if (!lis3dh_poll(&lis)) {
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puts("poll OK");
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}
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if (!lis3dh_read(&lis)) {
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puts("read OK");
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}
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printf("x: %.3g, y: %.3g, z: %.3g\n", lis.acc.x, lis.acc.y, lis.acc.z);
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printf("mag: %.3g\n", accel_mag(&lis));
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if (!lis3dh_deinit(&lis)) {
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puts("deinit OK");
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}
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return 0;
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} |