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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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src | ||
CMakeLists.txt | ||
README.rst | ||
prj.conf | ||
sample.yaml |
README.rst
.. _kscan-touch-sample: KSCAN touch panel example #################################### Overview ******** This sample demonstrates how to interface with a touch panel. When touches are detected a log message is output on the console. Building and Running ******************** The sample can be built and executed on boards with a touch panel for example stm32f746g_disco or mimxrt1060_evk. The boards dts file should contain an alias to kscan0 Sample output ============= .. code-block:: console KSCAN test for touch panels. Note: You are expected to see several callbacks as you touch the screen.