| /* |
| * Copyright (c) 2012-2014 Wind River Systems, Inc. |
| * Copyright (c) 2021 Nordic Semiconductor ASA |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #include <zephyr/kernel.h> |
| #include <zephyr/device.h> |
| #include <zephyr/devicetree.h> |
| #include <zephyr/drivers/sensor.h> |
| |
| /* |
| * Get a device structure from a devicetree node with compatible |
| * "bosch,bme280". (If there are multiple, just pick one.) |
| */ |
| static const struct device *get_bme280_device(void) |
| { |
| const struct device *const dev = DEVICE_DT_GET_ANY(bosch_bme280); |
| |
| if (dev == NULL) { |
| /* No such node, or the node does not have status "okay". */ |
| printk("\nError: no device found.\n"); |
| return NULL; |
| } |
| |
| if (!device_is_ready(dev)) { |
| printk("\nError: Device \"%s\" is not ready; " |
| "check the driver initialization logs for errors.\n", |
| dev->name); |
| return NULL; |
| } |
| |
| printk("Found device \"%s\", getting sensor data\n", dev->name); |
| return dev; |
| } |
| |
| void main(void) |
| { |
| const struct device *dev = get_bme280_device(); |
| |
| if (dev == NULL) { |
| return; |
| } |
| |
| while (1) { |
| struct sensor_value temp, press, humidity; |
| |
| sensor_sample_fetch(dev); |
| sensor_channel_get(dev, SENSOR_CHAN_AMBIENT_TEMP, &temp); |
| sensor_channel_get(dev, SENSOR_CHAN_PRESS, &press); |
| sensor_channel_get(dev, SENSOR_CHAN_HUMIDITY, &humidity); |
| |
| printk("temp: %d.%06d; press: %d.%06d; humidity: %d.%06d\n", |
| temp.val1, temp.val2, press.val1, press.val2, |
| humidity.val1, humidity.val2); |
| |
| k_sleep(K_MSEC(1000)); |
| } |
| } |