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/*
* Copyright (c) 2006-2018, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2021-02-14 supperthomas first version
*/
#include <rtthread.h>
#include <rtdevice.h>
#include <rthw.h>
#include "spi.h"
#ifndef __DRV_SPI_H_
#define __DRV_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 MCU_SPI0_CONFIG \
{ \
.bus_name = "spi0", \
.spi_instance = SPI0A, \
}
#endif
#ifdef BSP_USING_SPI1
#ifdef BSP_USING_SPI1A //The SPI1A is conflit with UART1 TX RX P0.10 P0.11
#define MCU_SPI1_CONFIG \
{ \
.bus_name = "spi1", \
.spi_instance = SPI1A \
}
#else
#define MCU_SPI1_CONFIG \
{ \
.bus_name = "spi1", \
.spi_instance = SPI1B \
}
#endif
#endif
struct mcu_drv_spi_config
{
char *bus_name;
spi_type spi_instance;
};
struct mcu_drv_spi
{
spi_type spi_instance;
spi_req_t spixfer_req;
struct rt_spi_configuration *cfg;
struct rt_spi_bus spi_bus;
};
#endif /*__DRV_SPI_H_*/
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