35 lines
989 B
ReStructuredText
35 lines
989 B
ReStructuredText
.. _w1_scanner_sample:
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1-Wire Scanner Sample
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#####################
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Overview
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********
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This sample demonstrates how to scan for 1-Wire devices. It runs the 1-Wire
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scan routine once and prints the family id as well as serial number of the
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devices found.
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Building and Running
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********************
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Set DTC_OVERLAY_FILE to "ds2484.overlay" or "w1_serial.overlay" in order to
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enable and configure the drivers.
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.. zephyr-app-commands::
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:zephyr-app: samples/drivers/w1/scanner
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:board: nrf52840dk_nrf52840
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:gen-args: -DDTC_OVERLAY_FILE=w1_serial.overlay
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:goals: build flash
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:compact:
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Sample Output
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=============
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.. code-block:: console
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[00:00:00.392,272] <inf> main: Device found; family: 0x3a, serial: 0x3af9985800000036
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[00:00:00.524,169] <inf> main: Device found; family: 0x3a, serial: 0x3a6ea2580000003b
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[00:00:00.656,097] <inf> main: Device found; family: 0x28, serial: 0x2856fb470d000022
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[00:00:00.656,097] <inf> main: Number of devices found on bus: 3
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