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