samples: sensors: drop bme680 sample as a more generic one exists
This sample adds no value compared to e.g. sensor shell. Signed-off-by: Benjamin Cabé <benjamin@zephyrproject.org>
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Benjamin Cabé
Anas Nashif
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b6057cca41
commit
5f65b30117
7 changed files with 0 additions and 152 deletions
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#
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# Copyright (c) 2018 Bosch Sensortec GmbH
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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cmake_minimum_required(VERSION 3.20.0)
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find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
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project(bme680)
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FILE(GLOB app_sources src/*.c)
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target_sources(app PRIVATE ${app_sources})
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.. _bme680:
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BME680: Integrated environmental sensor
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#####################################################
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Description
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***********
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This sample application periodically (every 3s) measures the ambient temperature
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in degrees Celsius, atmospheric pressure in kilopascal, relative humidity in percentage,
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and gas sensor resistance in ohms. The result is written to the console.
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References
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**********
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- BME680: https://www.bosch-sensortec.com/bst/products/all_products/bme680
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Wiring
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*******
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This sample uses the BME680 sensor controlled using the I2C interface.
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Connect Supply: **VDD**, **VDDIO**, **GND** and Interface: **SDA**, **SCL**.
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The supply voltage can be in the 1.8V to 3.6V range.
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Depending on the baseboard used, the **SDA** and **SCL** lines require Pull-Up
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resistors.
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Building and Running
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********************
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This project outputs sensor data to the console. It requires a BME680
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sensor. It should work with any platform featuring a I2C peripheral interface.
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It does not work on QEMU.
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In this example below the :ref:`nrf52840dk_nrf52840` board is used.
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.. zephyr-app-commands::
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:zephyr-app: samples/sensor/bme680
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:board: nrf52840dk/nrf52840
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:goals: build flash
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Sample Output
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=============
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.. code-block:: console
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Device 0x20002b74 name is BME680
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T: 23.988877; P: 97.648568; H: 53.689533; G: 1035.211466
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T: 24.168500; P: 97.648866; H: 53.565966; G: 1046.677896
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T: 24.336533; P: 97.648596; H: 53.353663; G: 1058.656533
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T: 24.589696; P: 97.648366; H: 53.958864; G: 1072.155863
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T: 24.856631; P: 97.648322; H: 53.553669; G: 1096.448788
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<repeats endlessly>
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/*
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* Copyright (c) 2020, Patrick Moffitt <patrick@moffitt.com>
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* i2c interface for the Feather nRF52840 Express and the
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* Adafruit BME680.
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*/
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&i2c0 {
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compatible = "nordic,nrf-twi";
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bme680: bme680@77 {
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compatible = "bosch,bme680";
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reg = <0x77>;
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};
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};
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/*
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* Copyright (c) 2020, Nordic Semiconductor ASA
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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&i2c0 {
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bme680@76 {
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compatible = "bosch,bme680";
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reg = <0x76>;
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};
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};
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CONFIG_STDOUT_CONSOLE=y
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CONFIG_I2C=y
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CONFIG_SENSOR=y
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sample:
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name: BME680 Sensor sample
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tests:
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sample.sensor.bme680:
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harness: sensor
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tags:
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- samples
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- sensor
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integration_platforms:
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- nrf52840dk/nrf52840
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platform_allow:
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- nrf52840dk/nrf52840
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- adafruit_feather_nrf52840_sense
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/*
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* Copyright (c) 2018 Bosch Sensortec GmbH
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <zephyr/kernel.h>
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#include <zephyr/device.h>
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#include <zephyr/drivers/sensor.h>
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#include <stdio.h>
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int main(void)
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{
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const struct device *const dev = DEVICE_DT_GET_ONE(bosch_bme680);
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struct sensor_value temp, press, humidity, gas_res;
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if (!device_is_ready(dev)) {
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printk("sensor: device not ready.\n");
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return 0;
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}
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printf("Device %p name is %s\n", dev, dev->name);
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#ifndef CONFIG_COVERAGE
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while (1) {
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#else
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for (int i = 0; i < 5; i++) {
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#endif
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k_sleep(K_MSEC(3000));
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sensor_sample_fetch(dev);
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sensor_channel_get(dev, SENSOR_CHAN_AMBIENT_TEMP, &temp);
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sensor_channel_get(dev, SENSOR_CHAN_PRESS, &press);
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sensor_channel_get(dev, SENSOR_CHAN_HUMIDITY, &humidity);
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sensor_channel_get(dev, SENSOR_CHAN_GAS_RES, &gas_res);
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printf("T: %d.%06d; P: %d.%06d; H: %d.%06d; G: %d.%06d\n",
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temp.val1, temp.val2, press.val1, press.val2,
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humidity.val1, humidity.val2, gas_res.val1,
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gas_res.val2);
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}
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return 0;
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}
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