78 lines
1.7 KiB
C
78 lines
1.7 KiB
C
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/*
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* Copyright (c) 2006-2018, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2020-05-19 Sherman first version
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*/
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#include <rtthread.h>
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#include <rtdevice.h>
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#include <rthw.h>
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#ifndef __DRV_SPI_H_
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#define __DRV_SPI_H_
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#ifdef BSP_USING_SPI
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#include "nrfx_spi.h"
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/**
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* @brief Attach the spi device to SPI bus, this function must be used after initialization.
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* @param bus_name spi bus name "spi0"/"spi1"/"spi2"
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* @param device_name spi device name "spi0x"/"spi1x"/"spi2x"
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* @param ss_pin spi ss pin number
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* @retval RT_ERROR / RT_EOK
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*/
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rt_err_t rt_hw_spi_device_attach(const char *bus_name, const char *device_name, rt_uint32_t ss_pin);
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//SPI bus config
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#ifdef BSP_USING_SPI0
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#define NRFX_SPI0_CONFIG \
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{ \
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.bus_name = "spi0", \
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.spi = NRFX_SPI_INSTANCE(0) \
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}
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#endif
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#ifdef BSP_USING_SPI1
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#define NRFX_SPI1_CONFIG \
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{ \
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.bus_name = "spi1", \
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.spi = NRFX_SPI_INSTANCE(1) \
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}
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#endif
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#ifdef BSP_USING_SPI2
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#define NRFX_SPI2_CONFIG \
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{ \
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.bus_name = "spi2", \
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.spi = NRFX_SPI_INSTANCE(2) \
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}
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#endif
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struct nrfx_drv_spi_config
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{
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char *bus_name;
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nrfx_spi_t spi;
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};
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struct nrfx_drv_spi
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{
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nrfx_spi_t spi; /* nrfx spi driver instance. */
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nrfx_spi_config_t spi_config; /* nrfx spi config Configuration */
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struct rt_spi_configuration *cfg;
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struct rt_spi_bus spi_bus;
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};
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struct nrfx_drv_spi_pin_config
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{
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rt_uint8_t sck_pin;
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rt_uint8_t mosi_pin;
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rt_uint8_t miso_pin;
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rt_uint8_t ss_pin;
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};
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#endif /* BSP_USING_SPI */
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#endif /*__DRV_SPI_H_*/
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