1 /*
2 * Copyright (c) 2017 Intel Corporation
3 * Copyright (c) 2018 Phytec Messtechnik GmbH
4 *
5 * SPDX-License-Identifier: Apache-2.0
6 */
7
8 #include <zephyr/kernel.h>
9 #include <zephyr/drivers/sensor.h>
10 #include <zephyr/device.h>
11 #include <stdio.h>
12 #include <zephyr/sys/printk.h>
13
14 #ifdef CONFIG_APDS9960_TRIGGER
15 K_SEM_DEFINE(sem, 0, 1);
16
trigger_handler(const struct device * dev,const struct sensor_trigger * trigger)17 static void trigger_handler(const struct device *dev,
18 const struct sensor_trigger *trigger)
19 {
20 ARG_UNUSED(dev);
21 ARG_UNUSED(trigger);
22
23 k_sem_give(&sem);
24 }
25 #endif
26
main(void)27 int main(void)
28 {
29 const struct device *dev;
30 struct sensor_value intensity, pdata;
31
32 printk("APDS9960 sample application\n");
33 dev = DEVICE_DT_GET_ONE(avago_apds9960);
34 if (!device_is_ready(dev)) {
35 printk("sensor: device not ready.\n");
36 return 0;
37 }
38
39 #ifdef CONFIG_APDS9960_TRIGGER
40 struct sensor_value attr = {
41 .val1 = 127,
42 .val2 = 0,
43 };
44
45 if (sensor_attr_set(dev, SENSOR_CHAN_PROX,
46 SENSOR_ATTR_UPPER_THRESH, &attr)) {
47 printk("Could not set threshold\n");
48 return 0;
49 }
50
51 struct sensor_trigger trig = {
52 .type = SENSOR_TRIG_THRESHOLD,
53 .chan = SENSOR_CHAN_PROX,
54 };
55
56 if (sensor_trigger_set(dev, &trig, trigger_handler)) {
57 printk("Could not set trigger\n");
58 return 0;
59 }
60 #endif
61
62 while (true) {
63 #ifdef CONFIG_APDS9960_TRIGGER
64 printk("Waiting for a threshold event\n");
65 k_sem_take(&sem, K_FOREVER);
66 #else
67 k_sleep(K_MSEC(5000));
68 #endif
69 if (sensor_sample_fetch(dev)) {
70 printk("sensor_sample fetch failed\n");
71 }
72
73 sensor_channel_get(dev, SENSOR_CHAN_LIGHT, &intensity);
74 sensor_channel_get(dev, SENSOR_CHAN_PROX, &pdata);
75
76 printk("ambient light intensity %d, proximity %d\n",
77 intensity.val1, pdata.val1);
78
79 #ifdef CONFIG_PM_DEVICE
80 pm_device_action_run(dev, PM_DEVICE_ACTION_SUSPEND);
81 printk("set low power state for 2s\n");
82 k_sleep(K_MSEC(2000));
83 pm_device_action_run(dev, PM_DEVICE_ACTION_RESUME);
84 #endif
85 }
86 }
87
