63 lines
1.5 KiB
C
63 lines
1.5 KiB
C
#define _GNU_SOURCE
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#include <unistd.h>
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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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struct lis3dh_fifo_data data;
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int i;
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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 LIS3DH struct */
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if (lis3dh_init(&lis)) {
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/* error handling */
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}
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/* reset device 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_HR;
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lis.cfg.range = LIS3DH_FS_4G;
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lis.cfg.rate = LIS3DH_ODR_100_HZ;
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lis.cfg.fifo.mode = LIS3DH_FIFO_MODE_NORMAL;
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/* write device config */
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if (lis3dh_configure(&lis)) {
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/* error handling */
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}
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/* poll fifo register until it reports that the watermark level has
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been reached, or that it has overwritten old data, whichever
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happens first. */
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if (lis3dh_poll_fifo(&lis)) {
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/* error handling */
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}
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/* read as many [x y z] sets as specified by watermark level (fth) */
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/* copy them to the fifo data struct given below as `fifo' */
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if (lis3dh_read_fifo(&lis, &data)) {
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/* error handling */
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}
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/* read out fifo buffer data */
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for(i=0; i<data.size; i++) {
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printf("x: %f, y: %f, z: %f\n", data.x[i], data.y[i], data.z[i]);
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}
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/* deinitialise struct */
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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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} |