4 * This file is part of BeRTOS.
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
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18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 * As a special exception, you may use this file as part of a free software
21 * library without restriction. Specifically, if other files instantiate
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29 * Copyright 2008 Develer S.r.l. (http://www.develer.com/)
33 * \brief SPI driver with DMA.
35 * \note Only one copy of SpiDmaAt91 is allowed for each application.
37 * \author Francesco Sacchi <batt@develer.com>
38 * \author Luca Ottaviano <lottaviano@develer.com>
41 #ifndef DRV_SPI_DMA_AT91_H
42 #define DRV_SPI_DMA_AT91_H
46 typedef struct SpiDmaAt91
51 #define KFT_SPIDMAAT91 MAKE_ID('S', 'P', 'I', 'A')
53 INLINE SpiDmaAt91 * SPIDMAAT91_CAST(KFile *fd)
55 ASSERT(fd->_type == KFT_SPIDMAAT91);
56 return (SpiDmaAt91 *)fd;
60 * Init DMA SPI driver.
61 * \param spi A pointer to a SpiDmaAt91 structure.
63 void spi_dma_init(SpiDmaAt91 *spi);
66 * Set the clock rate for SPI bus.
68 * \param rate The rate you want to set for SPI.
70 void spi_dma_setclock(uint32_t rate);
72 #endif /* DRV_SPI_DMA_AT91_H */