74 lines
2.1 KiB
C
74 lines
2.1 KiB
C
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/**
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* \file
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* <!--
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* This file is part of BeRTOS.
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*
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* Bertos is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* As a special exception, you may use this file as part of a free software
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* library without restriction. Specifically, if other files instantiate
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* templates or use macros or inline functions from this file, or you compile
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* this file and link it with other files to produce an executable, this
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* file does not by itself cause the resulting executable to be covered by
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* the GNU General Public License. This exception does not however
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* invalidate any other reasons why the executable file might be covered by
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* the GNU General Public License.
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*
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* Copyright 2011 Develer S.r.l. (http://www.develer.com/)
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*
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* -->
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*
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* \brief SPI driver with DMA.
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*
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* \note Only one copy of SpiDma is allowed for each application.
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*
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* \author Francesco Sacchi <batt@develer.com>
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* \author Luca Ottaviano <lottaviano@develer.com>
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* \author Daniele Basile <asterix@develer.com>
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*/
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#ifndef DRV_SPI_DMA_H
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#define DRV_SPI_DMA_H
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#include <io/kfile.h>
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typedef struct SpiDma
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{
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KFile fd;
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} SpiDma;
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#define KFT_SPIDMA MAKE_ID('S', 'P', 'I', 'D')
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INLINE SpiDma * SPIDMA_CAST(KFile *fd)
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{
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ASSERT(fd->_type == KFT_SPIDMA);
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return (SpiDma *)fd;
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}
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/**
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* Init DMA SPI driver.
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* \param spi A pointer to a SpiDma structure.
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*/
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void spi_dma_init(SpiDma *spi);
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/**
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* Set the clock rate for SPI bus.
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*
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* \param rate The rate you want to set for SPI.
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*/
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void spi_dma_setclock(uint32_t rate);
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#endif /* DRV_SPI_DMA_H */
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