1 /*
2 * Copyright (c) 2024 Intel Corporation
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6
7 #include <zephyr/drivers/sensor.h>
8
9
10 const struct device *const accel0 = DEVICE_DT_GET(DT_ALIAS(accel0));
11
12 static struct tap_count_state {
13 struct sensor_trigger trig;
14 uint32_t count;
15 } tap_count_state = {
16 .trig = {
17 .chan = SENSOR_CHAN_ACCEL_XYZ,
18 .type = SENSOR_TRIG_TAP,
19 },
20 .count = 0,
21 };
22
tap_handler(const struct device * dev,const struct sensor_trigger * trig)23 void tap_handler(const struct device *dev, const struct sensor_trigger *trig)
24 {
25 struct tap_count_state *state = CONTAINER_OF(trig, struct tap_count_state, trig);
26
27 state->count++;
28
29 printk("Tap! Total Taps: %u\n", state->count);
30 }
31
main(void)32 int main(void)
33 {
34 int rc;
35
36 printk("Tap Counter Example (%s)\n", CONFIG_ARCH);
37
38 rc = sensor_trigger_set(accel0, &tap_count_state.trig, tap_handler);
39
40 if (rc != 0) {
41 printk("Failed to set trigger handler for taps, error %d\n", rc);
42 return rc;
43 }
44
45 return rc;
46 }
47
