samples: sensor: mpu6050: convert to devicetree

#

# Copyright (c) 2019 Nordic Semiconductor ASA

#

# SPDX-License-Identifier: Apache-2.0

#

cmake_minimum_required(VERSION 3.13.1)

include($ENV{ZEPHYR_BASE}/cmake/app/boilerplate.cmake NO_POLICY_SCOPE)

project(mpu6050)

FILE(GLOB app_sources src/*.c)

target_sources(app PRIVATE ${app_sources})

.. _mpu6050:

MPU6050: Invensense Motion Tracking Device

##########################################

Description

***********

This sample application periodically (0.5 Hz) measures the sensor

temperature, acceleration, and angular velocity, displaying the values

on the console along with a timestamp since startup.

When triggered mode is enabled the measurements are displayed at the

rate they are produced by the sensor.

Wiring

*******

This sample uses an external breakout for the sensor.  A devicetree

overlay must be provided to identify the I2C bus and GPIO used to

control the sensor.

Building and Running

********************

After providing a devicetree overlay that specifies the sensor location,

build this sample app using:

.. zephyr-app-commands::

   :zephyr-app: samples/sensor/mpu6050

   :board: nrf52_pca10040

   :goals: build flash

Sample Output

=============

.. code-block:: console

   *** Booting Zephyr OS build zephyr-v2.1.0-576-g4b38659b0661  ***

   [0:00:00.008]:23.6359 Cel

     accel -5.882554 -6.485893  5.868188 m/s/s

     gyro   0.014522  0.002264 -0.036905 rad/s

   [0:00:02.020]:23.6359 Cel

     accel -5.841853 -6.435615  5.911283 m/s/s

     gyro   0.017852  0.001199 -0.034640 rad/s

   [0:00:04.032]:23.6829 Cel

     accel -5.930438 -6.461951  6.009446 m/s/s

     gyro   0.012923  0.002131 -0.037171 rad/s

   [0:00:06.044]:23.6359 Cel

     accel -5.884948 -6.524200  5.961562 m/s/s

     gyro   0.012390 -0.001732 -0.045964 rad/s

   [0:00:08.056]:35.7712 Cel

     accel -5.863400 -12.872426 -0.154427 m/s/s

     gyro  -0.034373 -0.034373 -0.034373 rad/s

   [0:00:10.068]:23.6829 Cel

     accel -5.906496 -6.461951  5.899312 m/s/s

     gyro   0.015321 -0.000399 -0.039169 rad/s

<repeats endlessly>

/*

 * Copyright (c) 2019 Nordic Semiconductor ASA

 *

 * SPDX-License-Identifier: Apache-2.0

 */

&i2c0 {

	mpu6050@68 {

		compatible = "invensense,mpu6050";

		reg = <0x68>;

		status = "okay";

		label = "MPU6050";

		int-gpios = <&gpio0 11 0>;

	};

};

#

# Copyright (c) 2019 Nordic Semiconductor ASA

#

# SPDX-License-Identifier: Apache-2.0

#

CONFIG_I2C=y

CONFIG_SENSOR=y

CONFIG_MPU6050=y

CONFIG_MPU6050_TRIGGER_NONE=y

#

# Copyright (c) 2019 Nordic Semiconductor ASA

#

# SPDX-License-Identifier: Apache-2.0

#

sample:

  name: MPU6050 Sensor Sample

tests:

  sample.sensor.mpu6050:

    build_only: true

    platform_whitelist: nrf52_pca10040

    tags: sensors