1 /*
2 * Copyright (c) 2016 Firmwave
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6
7 #include <zephyr/kernel.h>
8 #include <zephyr/device.h>
9 #include <zephyr/drivers/sensor.h>
10 #include <zephyr/sys/printk.h>
11 #include <zephyr/sys/__assert.h>
12
do_main(const struct device * dev)13 static void do_main(const struct device *dev)
14 {
15 int ret;
16 struct sensor_value temp_value;
17 struct sensor_value attr;
18
19 attr.val1 = 150;
20 attr.val2 = 0;
21 ret = sensor_attr_set(dev, SENSOR_CHAN_AMBIENT_TEMP,
22 SENSOR_ATTR_FULL_SCALE, &attr);
23 if (ret) {
24 printk("sensor_attr_set failed ret %d\n", ret);
25 return;
26 }
27
28 attr.val1 = 8;
29 attr.val2 = 0;
30 ret = sensor_attr_set(dev, SENSOR_CHAN_AMBIENT_TEMP,
31 SENSOR_ATTR_SAMPLING_FREQUENCY, &attr);
32 if (ret) {
33 printk("sensor_attr_set failed ret %d\n", ret);
34 return;
35 }
36
37 while (1) {
38 ret = sensor_sample_fetch(dev);
39 if (ret) {
40 printk("sensor_sample_fetch failed ret %d\n", ret);
41 return;
42 }
43
44 ret = sensor_channel_get(dev, SENSOR_CHAN_AMBIENT_TEMP, &temp_value);
45 if (ret) {
46 printk("sensor_channel_get failed ret %d\n", ret);
47 return;
48 }
49
50 printk("temp is %d (%d micro)\n", temp_value.val1,
51 temp_value.val2);
52
53 k_sleep(K_MSEC(1000));
54 }
55 }
56
main(void)57 int main(void)
58 {
59 const struct device *const dev = DEVICE_DT_GET_ANY(ti_tmp112);
60
61 __ASSERT(dev != NULL, "Failed to get device binding");
62 __ASSERT(device_is_ready(dev), "Device %s is not ready", dev->name);
63 printk("device is %p, name is %s\n", dev, dev->name);
64
65 do_main(dev);
66 return 0;
67 }
68
