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/*
* Copyright (c) 2006-2018, Synwit Technology Co.,Ltd.
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2018-12-10 Zohar_Lee first version
* 2020-07-10 lik rewrite
*/
#ifndef __DRV_SPI_H__
#define __DRV_SPI_H__
#include "board.h"
struct swm_spi_cs
{
GPIO_TypeDef *GPIOx;
uint32_t gpio_pin;
};
struct swm_spi_cfg
{
const char *name;
SPI_TypeDef *SPIx;
SPI_InitStructure spi_initstruct;
};
/* swm spi dirver class */
struct swm_spi
{
struct swm_spi_cfg *cfg;
struct rt_spi_configuration *configure;
struct rt_spi_bus spi_bus;
};
#ifdef BSP_USING_SPI0
#ifndef SPI0_BUS_CONFIG
#define SPI0_BUS_CONFIG \
{ \
.name = "spi0", \
.SPIx = SPI0, \
.spi_initstruct.clkDiv = SPI_CLKDIV_32, \
.spi_initstruct.FrameFormat = SPI_FORMAT_SPI, \
.spi_initstruct.SampleEdge = SPI_SECOND_EDGE, \
.spi_initstruct.IdleLevel = SPI_HIGH_LEVEL, \
.spi_initstruct.WordSize = 8, \
.spi_initstruct.Master = 1, \
.spi_initstruct.RXHFullIEn = 0, \
.spi_initstruct.TXEmptyIEn = 0, \
.spi_initstruct.TXCompleteIEn = 0, \
}
#endif /* SPI1_BUS_CONFIG */
#endif /* BSP_USING_SPI1 */
#ifdef BSP_USING_SPI1
#ifndef SPI1_BUS_CONFIG
#define SPI1_BUS_CONFIG \
{ \
.name = "spi1", \
.SPIx = SPI1, \
.spi_initstruct.clkDiv = SPI_CLKDIV_32, \
.spi_initstruct.FrameFormat = SPI_FORMAT_SPI, \
.spi_initstruct.SampleEdge = SPI_SECOND_EDGE, \
.spi_initstruct.IdleLevel = SPI_HIGH_LEVEL, \
.spi_initstruct.WordSize = 8, \
.spi_initstruct.Master = 1, \
.spi_initstruct.RXHFullIEn = 0, \
.spi_initstruct.TXEmptyIEn = 0, \
.spi_initstruct.TXCompleteIEn = 0, \
}
#endif /* SPI1_BUS_CONFIG */
#endif /* BSP_USING_SPI1 */
//cannot be used before completion init
rt_err_t rt_hw_spi_device_attach(const char *bus_name, const char *device_name, GPIO_TypeDef *GPIOx, uint32_t n);
int rt_hw_spi_init(void);
#endif /* __DRV_SPI_H__ */
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