Samples: Introduce device_deinit() sample
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bjarki-andreasen
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device_deinit() sample
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Add DEVICE_DEINIT variants of SPI_DEVICE_ macros. These include - SPI_DEVICE_DT_DEINIT_DEFINE() - SPI_DEVICE_DT_INST_DEINIT_DEFINE() Signed-off-by: Bjarki Arge Andreasen <[email protected]>
Implement device deinit fn for nrf spim device driver. Signed-off-by: Bjarki Arge Andreasen <[email protected]>
Implement deinit op in spi_nrfx_spi.c Signed-off-by: Bjarki Arge Andreasen <[email protected]>
Introduce clearirqhandler which clears the irq handler of a peripheral. Useful for device_deinit(). Signed-off-by: Bjarki Arge Andreasen <[email protected]>
Implement deinit op for NXP LPSPI device driver. Signed-off-by: Bjarki Arge Andreasen <[email protected]>
Introduce device deinit sample which demonstrates how to share hardware resources between application and device drivers using device_deinit(), specifically between a GPIO port and SPI peripheral. Signed-off-by: Bjarki Arge Andreasen <[email protected]>
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Introduce sample which switches ownership of a pin between a GPIO controller and a SPI controller driver, specifically the CS. This specific usecase has been requested before to be able to monitor the CS pin using GPIO to then wake up and switch to SPI when asserted. Its also a generally useful and portable sample of
device_deinit(),device_init()and deferred init.With this, the SPI API is updated with new headers for the _DEINIT variants of SPI_DEVICE_DT_DEFINE, and select SPI device drivers are updated to implement device deinit, drivers for the nRF SPI, nRF SPIM, and NXP LPSPI