Zephyr API Documentation
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A Scalable Open Source RTOS
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spi.h
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/*
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* Copyright (c) 2020 Nordic Semiconductor
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef ZEPHYR_INCLUDE_DEVICETREE_SPI_H_
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#define ZEPHYR_INCLUDE_DEVICETREE_SPI_H_
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#ifdef __cplusplus
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extern
"C"
{
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#endif
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#define DT_SPI_HAS_CS_GPIOS(spi) DT_NODE_HAS_PROP(spi, cs_gpios)
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#define DT_SPI_NUM_CS_GPIOS(spi) \
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COND_CODE_1(DT_SPI_HAS_CS_GPIOS(spi), \
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(DT_PROP_LEN(spi, cs_gpios)), (0))
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#define DT_SPI_DEV_HAS_CS_GPIOS(spi_dev) DT_SPI_HAS_CS_GPIOS(DT_BUS(spi_dev))
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#define DT_SPI_DEV_CS_GPIOS_CTLR(spi_dev) \
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DT_GPIO_CTLR_BY_IDX(DT_BUS(spi_dev), cs_gpios, DT_REG_ADDR_RAW(spi_dev))
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#define DT_SPI_DEV_CS_GPIOS_PIN(spi_dev) \
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DT_GPIO_PIN_BY_IDX(DT_BUS(spi_dev), cs_gpios, DT_REG_ADDR_RAW(spi_dev))
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#define DT_SPI_DEV_CS_GPIOS_FLAGS(spi_dev) \
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DT_GPIO_FLAGS_BY_IDX(DT_BUS(spi_dev), cs_gpios, DT_REG_ADDR_RAW(spi_dev))
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#define DT_INST_SPI_DEV_HAS_CS_GPIOS(inst) \
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DT_SPI_DEV_HAS_CS_GPIOS(DT_DRV_INST(inst))
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#define DT_INST_SPI_DEV_CS_GPIOS_CTLR(inst) \
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DT_SPI_DEV_CS_GPIOS_CTLR(DT_DRV_INST(inst))
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#define DT_INST_SPI_DEV_CS_GPIOS_PIN(inst) \
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DT_SPI_DEV_CS_GPIOS_PIN(DT_DRV_INST(inst))
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#define DT_INST_SPI_DEV_CS_GPIOS_FLAGS(inst) \
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DT_SPI_DEV_CS_GPIOS_FLAGS(DT_DRV_INST(inst))
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#ifdef __cplusplus
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}
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#endif
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#endif
/* ZEPHYR_INCLUDE_DEVICETREE_SPI_H_ */
zephyr
devicetree
spi.h
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