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6 lvd 1 
#ifndef SPI_H
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#define SPI_H
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/**
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 * @file
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 * @brief SPI interface support.
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 * @author http://www.nedopc.com
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 *
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 * SPI interface to FPGA.
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 */
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/** Init spi interface. */
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void spi_init(void);
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/**
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 * SPI data interchange.
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 * @return received data
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 * @param byte [in] - data to send
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 */
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UBYTE spi_send(UBYTE byte);
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#endif
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