1 /*
2 * Copyright (c) 2021 Leonard Pollak
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6
7 #include <zephyr/kernel.h>
8 #include <stdio.h>
9 #include <zephyr/drivers/sensor.h>
10
11
main(void)12 int main(void)
13 {
14 const struct device *const ina = DEVICE_DT_GET_ONE(ti_ina219);
15 struct sensor_value v_bus, power, current;
16 int rc;
17
18 if (!device_is_ready(ina)) {
19 printf("Device %s is not ready.\n", ina->name);
20 return 0;
21 }
22
23 while (true) {
24 rc = sensor_sample_fetch(ina);
25 if (rc) {
26 printf("Could not fetch sensor data.\n");
27 return 0;
28 }
29
30 sensor_channel_get(ina, SENSOR_CHAN_VOLTAGE, &v_bus);
31 sensor_channel_get(ina, SENSOR_CHAN_POWER, &power);
32 sensor_channel_get(ina, SENSOR_CHAN_CURRENT, ¤t);
33
34 printf("Bus: %f [V] -- "
35 "Power: %f [W] -- "
36 "Current: %f [A]\n",
37 sensor_value_to_double(&v_bus),
38 sensor_value_to_double(&power),
39 sensor_value_to_double(¤t));
40 k_sleep(K_MSEC(2000));
41 }
42 return 0;
43 }
44
