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828 B
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20 lines
828 B
ReStructuredText
.. SPDX-License-Identifier: CC-BY-SA-4.0
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.. Copyright (C) 2016, 2019 embedded brains GmbH <rtems@embedded-brains.de>
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SPI Driver
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**********
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The Serial Peripheral Interface (SPI) bus drivers should use the
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`SPI bus framework
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<https://git.rtems.org/rtems/tree/cpukit/include/dev/spi/spi.h>`_.
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The user API is compatible to the
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`Linux SPI user-space API <https://www.kernel.org/doc/Documentation/spi/spidev>`_.
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For example SPI bus drivers see:
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* `Atmel SAM SPI driver <https://git.rtems.org/rtems/tree/bsps/arm/atsam/spi/atsam_spi_bus.c>`_
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* `NXP i.MX SPI driver <https://git.rtems.org/rtems/tree/bsps/arm/imx/spi/imx-ecspi.c>`_
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* `NXP LPC17XX/LPC24XX/LPC40XX SSP driver <https://git.rtems.org/rtems/tree/bsps/arm/lpc24xx/spi/ssp.c>`_
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* `SPI framework test <https://git.rtems.org/rtems/tree/testsuites/libtests/spi01/init.c>`_
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