zephyr/samples/drivers/rtc/README.rst
Holt Sun 4618e86edd drivers: irtc: Updated rtc driver to support NXP RT700 device.
1. Update nxp irtc driver to fix issue in init and alarm function.
2. Update RTC device tree binding to support "share-counter".
3. Update RT700 dtsi to support rtc0 for cpu0 and rtc1 for cpu1.
4. Update readme.
5. Update unit test project conf for RT700.

Signed-off-by: Holt Sun <holt.sun@nxp.com>
2025-07-28 16:42:30 -04:00

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.. zephyr:code-sample:: rtc
:name: Real-Time Clock (RTC)
:relevant-api: rtc_interface
Set and read the date/time from a Real-Time Clock.
Overview
********
This sample shows how to use the :ref:`rtc driver API <rtc_api>`
to set and read the date/time from RTC and display on the console
and can be built and executed on boards supporting RTC.
Building and Running
********************
Build and flash as follows, replacing ``stm32f3_disco`` with your board:
.. zephyr-app-commands::
:zephyr-app: samples/drivers/rtc
:board: stm32f3_disco
:goals: build flash
:compact:
.. zephyr-app-commands::
:zephyr-app: samples/drivers/rtc
:board: mimxrt700_evk/mimxrt798s/cm33_cpu0
:goals: build flash
.. zephyr-app-commands::
:zephyr-app: samples/drivers/rtc
:board: mimxrt700_evk/mimxrt798s/cm33_cpu1
:goals: build ram
Sample Output
=============
.. code-block:: console
RTC date and time: 2024-11-17 04:19:00
RTC date and time: 2024-11-17 04:19:01
<repeats endlessly>