zephyr

History

Thomas Stranger 2ef81686b6 samples/drivers/w1: scanner: add ds2485 overlay Adds an overlay for the ds2485 and adds a test configuration for it. Signed-off-by: Thomas Stranger <thomas.stranger@outlook.com>		2022-09-09 14:11:30 +00:00
..
src	includes: prefer <zephyr/kernel.h> over <zephyr/zephyr.h>	2022-09-05 16:31:47 +02:00
CMakeLists.txt	…
README.rst	…
ds2484.overlay	…
ds2485.overlay	samples/drivers/w1: scanner: add ds2485 overlay	2022-09-09 14:11:30 +00:00
prj.conf	…
sample.yaml	samples/drivers/w1: scanner: add ds2485 overlay	2022-09-09 14:11:30 +00:00
w1_serial.overlay	…

README.rst

.. _w1_scanner_sample:

1-Wire Scanner Sample
#####################

Overview
********

This sample demonstrates how to scan for 1-Wire devices. It runs the 1-Wire
scan routine once and prints the family id as well as serial number of the
devices found.

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

Set DTC_OVERLAY_FILE to "ds2484.overlay" or "w1_serial.overlay" in order to
enable and configure the drivers.

.. zephyr-app-commands::
   :zephyr-app: samples/drivers/w1/scanner
   :board: nrf52840dk_nrf52840
   :gen-args: -DDTC_OVERLAY_FILE=w1_serial.overlay
   :goals: build flash
   :compact:

Sample Output
=============

.. code-block:: console

    [00:00:00.392,272] <inf> main: Device found; family: 0x3a, serial: 0x3af9985800000036
    [00:00:00.524,169] <inf> main: Device found; family: 0x3a, serial: 0x3a6ea2580000003b
    [00:00:00.656,097] <inf> main: Device found; family: 0x28, serial: 0x2856fb470d000022
    [00:00:00.656,097] <inf> main: Number of devices found on bus: 3