1 /*
2 * Copyright (c) 2017, NXP
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6
7 #include <zephyr/kernel.h>
8 #include <zephyr/drivers/sensor.h>
9 #include <stdio.h>
10
11 K_SEM_DEFINE(sem, 0, 1); /* starts off "not available" */
12
trigger_handler(const struct device * dev,const struct sensor_trigger * trigger)13 static void trigger_handler(const struct device *dev,
14 const struct sensor_trigger *trigger)
15 {
16 k_sem_give(&sem);
17 }
18
main(void)19 int main(void)
20 {
21 struct sensor_value gyro[3];
22 const struct device *const dev = DEVICE_DT_GET_ANY(nxp_fxas21002);
23
24 if (dev == NULL || !device_is_ready(dev)) {
25 printf("Could not get fxas21002 device\n");
26 return 0;
27 }
28
29 struct sensor_trigger trig = {
30 .type = SENSOR_TRIG_DATA_READY,
31 .chan = SENSOR_CHAN_GYRO_XYZ,
32 };
33
34 if (sensor_trigger_set(dev, &trig, trigger_handler)) {
35 printf("Could not set trigger\n");
36 return 0;
37 }
38
39 while (1) {
40 k_sem_take(&sem, K_FOREVER);
41 sensor_sample_fetch(dev);
42 sensor_channel_get(dev, SENSOR_CHAN_GYRO_XYZ, gyro);
43
44 /* Print gyro x,y,z */
45 printf("X=%10.3f Y=%10.3f Z=%10.3f\n",
46 sensor_value_to_double(&gyro[0]),
47 sensor_value_to_double(&gyro[1]),
48 sensor_value_to_double(&gyro[2]));
49 }
50 return 0;
51 }
52
