2020-12-21 14:34:01 +08:00
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/**************************************************************************//**
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*
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* @copyright (C) 2020 Nuvoton Technology Corp. All rights reserved.
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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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* 2020-2-7 Wayne First version
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*
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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 <rtconfig.h>
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#include <rtdevice.h>
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2021-03-15 15:41:41 +08:00
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#include "NuMicro.h"
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2020-12-21 14:34:01 +08:00
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#include <nu_bitutil.h>
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#if defined(BSP_USING_SPI_PDMA)
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#include <drv_pdma.h>
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#endif
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struct nu_spi
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{
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struct rt_spi_bus dev;
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char *name;
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SPI_T *spi_base;
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E_SYS_IPRST rstidx;
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E_SYS_IPCLK clkidx;
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uint32_t dummy;
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#if defined(BSP_USING_SPI_PDMA)
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int16_t pdma_perp_tx;
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int8_t pdma_chanid_tx;
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int16_t pdma_perp_rx;
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int8_t pdma_chanid_rx;
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rt_sem_t m_psSemBus;
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#endif
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struct rt_qspi_configuration configuration;
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};
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typedef struct nu_spi *nu_spi_t;
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void nu_spi_drain_rxfifo(SPI_T *spi_base);
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void nu_spi_transfer(struct nu_spi *spi_bus, uint8_t *tx, uint8_t *rx, int length, uint8_t bytes_per_word);
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#if defined(BSP_USING_SPI_PDMA)
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rt_err_t nu_hw_spi_pdma_allocate(struct nu_spi *spi_bus);
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#endif
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#endif // __DRV_SPI_H___
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