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20 lines
317 B
C
20 lines
317 B
C
#ifndef _SPI_H
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#define _SPI_H
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#include <stddef.h>
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int spi_init();
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void spi_cs(int cs);
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char spi_txrx8_slow(char txd);
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char spi_txrx8(char txd);
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char spi_rxtx8(char txd);
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void spi_tx(char *txb, unsigned int length);
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void spi_rx(char txd, char *rxb, unsigned int length);
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char spi_rd8();
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short spi_rd16();
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#endif |