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