zephyr

History

Maureen Helm 6fd0363f46 samples: sensor: Disable uart console when rtt console is enabled Configures the accelerometer polling and trigger samples to disable the uart console when the rtt console is enabled. Having both consoles enabled simultaneously doesn't currently work on the apard32690 platform and it's redundant anyway. Signed-off-by: Maureen Helm <maureen.helm@analog.com>		2025-05-20 15:23:51 +02:00
..
boards	samples: sensor: accel_trig: fix twister tests	2025-02-24 20:19:12 +00:00
src	samples: sensor: accel_trig: add sample tap detection feature.	2025-02-14 03:15:54 +01:00
adxl345-trigger.conf	samples: sensor: Add adxl345 streaming and trigger configurations	2025-05-20 15:23:51 +02:00
adxl362-trigger.conf
CMakeLists.txt
Kconfig	samples: sensor: accel_trig: add sample tap detection feature.	2025-02-14 03:15:54 +01:00
prj.conf
README.rst	samples: sensor: accel_trig: fix twister tests	2025-02-24 20:19:12 +00:00
sample.yaml	samples: sensor: Disable uart console when rtt console is enabled	2025-05-20 15:23:51 +02:00
x_nucleo_iks01a3.overlay	samples: sensor: accel_trig: fix twister tests	2025-02-24 20:19:12 +00:00

README.rst

.. zephyr:code-sample:: accel_trig
   :name: Accelerometer trigger

   Test and debug accelerometer with interrupts.

Overview
********

This sample application demonstrates how to use 3-Axis accelerometers with triggers.
By default it uses a data ready trigger to read the accelerometer data and print it to the console.

If the accelerometer is enabled with a tap trigger, the sample uses the tap trigger event to
read the accelerometer data and print it to the console.

Building and Running
********************

.. code-block:: devicetree

  / {
    aliases {
      accel0 = &fxos8700;
    };
  };

Make sure the aliases are in devicetree, then build and run with:

.. zephyr-app-commands::
   :zephyr-app: samples/sensor/accel_trig
   :board: <board to use>
   :goals: build flash
   :compact:

With this example, you can also detect a double tap with an accelerometer by activating the
:kconfig:option:`CONFIG_SAMPLE_TAP_DETECTION`.
In this example we use a x_nucleo_iks01a3 shield with a LIS2DW12 accelerometer.
You can build it with the following command:

.. zephyr-app-commands::
   :zephyr-app: samples/sensor/accel_trig
   :board: nrf52dk/nrf52832
   :shield: x_nucleo_iks01a3
   :goals: build
   :west-args: --extra-dtc-overlay x_nucleo_iks01a3.overlay
   :compact:


Sample Output (SENSOR_TRIG_DATA_READY)
=======================================

.. code-block:: console

     fxos8700@1d [m/s^2]:    (   -0.153229,    -0.057461,     9.931148)
     fxos8700@1d [m/s^2]:    (   -0.153229,    -0.057461,     9.931148)
     fxos8700@1d [m/s^2]:    (   -0.143653,    -0.057461,     9.921571)
     fxos8700@1d [m/s^2]:    (   -0.153229,    -0.067038,     9.931148)
     fxos8700@1d [m/s^2]:    (   -0.143653,    -0.067038,     9.921571)
     fxos8700@1d [m/s^2]:    (   -0.134076,    -0.047885,     9.931148)
     fxos8700@1d [m/s^2]:    (   -0.105345,    -0.038308,     9.940725)
     fxos8700@1d [m/s^2]:    (   -0.105345,    -0.019154,     9.931148)
     fxos8700@1d [m/s^2]:    (   -0.105345,    -0.028731,     9.921571)
     fxos8700@1d [m/s^2]:    (   -0.095769,    -0.028731,     9.931148)
     fxos8700@1d [m/s^2]:    (   -0.095769,    -0.009577,     9.940725)


Sample Output (SENSOR_TRIG_DOUBLE_TAP)
======================================

.. code-block:: console

  TAP detected
     lis2dw12@19 [m/s^2]:    (   -1.899901,   -12.550355,    -2.742174)
  TAP detected
     lis2dw12@19 [m/s^2]:    (   12.349357,   -18.125630,     6.015556)
  TAP detected
     lis2dw12@19 [m/s^2]:    (  -11.385050,    -7.274181,    -9.229117)
  TAP detected
     lis2dw12@19 [m/s^2]:    (    9.214760,    -9.286545,     2.311466)
  TAP detected
     lis2dw12@19 [m/s^2]:    (   10.090533,   -17.391034,    12.320643)
  TAP detected
     lis2dw12@19 [m/s^2]:    (   -0.478564,     2.390429,    15.876378)
  TAP detected
     lis2dw12@19 [m/s^2]:    (   -5.668596,   -13.138989,     0.741775)
  TAP detected
     lis2dw12@19 [m/s^2]:    (   -2.385644,   -10.559526,     9.899107)
  TAP detected
     lis2dw12@19 [m/s^2]:    (    7.537391,    -8.551948,    16.740187)