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zephyr/tests/drivers/gpio/gpio_basic_api
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Andrei Gansari b66db222a2 tests: gpio: gpio_port_set_masked_raw overwrite check 
Code checks if gpio_port_set_masked_raw overwrites masked pins.
It should detect that the attempt to set only the input pin to zero also
affected the output pin.

Signed-off-by: Andrei Gansari <andrei.gansari@nxp.com>
2020-10-14 15:21:34 -05:00
..
boards driver: gpio: add gpio driver support in NPCX series 2020-09-01 13:35:25 +02:00
dts/bindings
src tests: gpio: gpio_port_set_masked_raw overwrite check 2020-10-14 15:21:34 -05:00
CMakeLists.txt tests: make find_package(Zephyr...) REQUIRED 2020-05-29 10:47:25 +02:00
prj.conf
README.txt
testcase.yaml tests: gpio_basic: this test requires a fixture 2020-05-24 20:25:51 +02:00

README.txt 

GPIO 2-Pin Test
###############

This application tests the GPIO subsystem using a hardware configuration
where two GPIOs are directly wired together.  The test pins are
identified through a test-specific devicetree binding in the `dts/`
subdirectory, implemented for specific boards by overlay files in the
`boards/` directory.

For some boards `src/main.c` may also need to be extended to configure
the selected pins for use as GPIOs.

Only boards for which an overlay is present can pass this test.  Boards
without an overlay, or for which the required wiring is not provided,
will fail with an error like this:

    Validate device GPIO_0
    Check GPIO_0 output 2 connected to input 3
    FATAL output pin not wired to input pin? (out high => in low)

No special build options are required to make use of the overlay.