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