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Now that device_api attribute is unmodified at runtime, as well as all the other attributes, it is possible to switch all device driver instance to be constant. A coccinelle rule is used for this: @r_const_dev_1 disable optional_qualifier @ @@ -struct device * +const struct device * @r_const_dev_2 disable optional_qualifier @ @@ -struct device * const +const struct device * Fixes #27399 Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com> |
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| README.rst | ||
| sample.yaml | ||
.. _lp3943: LP3943: 16-Channel RGB, White-LED Driver ######################################## Overview ******** This sample controls 16 LEDs connected to an LP3943 driver, in a continuous pattern of turning them on one at a time (at a one second interval) until they're all on, and then turning them off in reverse order. Requirements ************ The :ref:`96b_neonkey` board has an LP3943 driver and 16 LEDs on board, so we'll use this board for our example. Building and Running ******************** Build the application for the :ref:`96b_neonkey` board, which has an LP3943 driver included. .. zephyr-app-commands:: :zephyr-app: samples/drivers/led_lp3943 :board: 96b_neonkey :goals: build :compact: For flashing the application, refer to the Flashing section of the :ref:`96b_neonkey` board documentation. When you connect to the board's serial console, you should see the following output in addition to the LED pattern: .. code-block:: none ***** BOOTING ZEPHYR OS v1.11.99 ***** [general] [INF] main: Found LED device LP3943 [general] [INF] main: Displaying the pattern References ********** - LP3943: http://www.ti.com/lit/ds/snvs256d/snvs256d.pdf